Script started on 2024-09-13 20:18:59+00:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="-1" LINES="-1"]
P;HTML|
;           (set_option_value  prolog false)

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;           (set_option_value  compat auto)

P;HTML|
;           (set_option_value  compatio true)
P;HTML|
;            (is_cmd_option  prescan halt --halt=true true)
P;HTML|
;            (set_option_value  halt true)
P;HTML|
;            (is_cmd_option  prescan stdin --stdin=tty tty)
P;HTML|
;             (set_option_value  stdin tty)
P;HTML|
;            (is_cmd_option  prescan stdout --stdout=tty tty)
P;HTML|
;             (set_option_value  stdout tty)
P;HTML|
;            (is_cmd_option  prescan stderr --stderr=tty tty)
P;HTML|
;             (set_option_value  stderr tty)
P;HTML|
;            (set_option_value  prolog false)
P;HTML|
;            (set_option_value  compat auto)
P;HTML|
;            (set_option_value  compatio true)
P;HTML|
;          (is_cmd_option  execute python --python=enable enable)
P;HTML|
;           (set_option_value  python enable)
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;          (is_cmd_option  execute timeout --timeout=40 40)
P;HTML|
;           (set_option_value  timeout 40)
P;HTML|
;           (is_cmd_option  execute output --output=./reports/tests_output/baseline-compat-2024-09-13T20:12:12/ ./reports/tests_output/baseline-compat-2024-09-13T20:12:12/)
P;HTML|
;           (set_option_value  output ./reports/tests_output/baseline-compat-2024-09-13T20:12:12/)
P;HTML|
;           (is_cmd_option  execute html --html true)
P;HTML|
;            (set_option_value  html true)
P;HTML|
;           (is_cmd_option  execute test --test true)
P;HTML|
;            (set_option_value  test true)

; (load_metta_file  &self tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
P;HTML|
;                         (track_load_into_file  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
; (%COMMENT  ";;         5. Type inference: (: TERM $type)" 32 0) ; line: 157 
; Done translating 29 forms: asserted_metta_pred(ynthesize_long_1726258743_154384,'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta').


  (failed  once fail)




  (failed  once fail)


^  Call: (171) [user] call(user:once, user:fail)
^  Call: (172) [user] once(user:fail)
   Call: (173) [system] fail
^  Fail: (171) [system] call(user:once, user:fail)
^  Call: (171) [bugger] bugger:mquietly_if(true, rtrace:pop_tracer)
   Call: (173) [system] var(rtrace:pop_tracer)
   Fail: (173) [system] var(rtrace:pop_tracer)
^  Call: (175) [system] setup_call_cleanup('$notrace'(_43002, _43004), once(rtrace:retract(t_l:tracer_reset(_42992))), '$restore_trace'(_43002, _43004))
^  Call: (176) [system] sig_atomic(system:'$notrace'(_43002, _43004))
^  Exit: (175) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(rtrace:retract(t_l:tracer_reset(tAt_normal))), system:'$restore_trace'(3, -1))
^  Call: (175) [rtrace] tAt(false, 271, 271, false)


  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))




  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))


^  Call: (158) [user] call(user:once, user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (159) [user] once(user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (160) [user] convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360)
^  Call: (161) [user] ignore(symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360))
^  Call: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Call: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Exit: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (161) [system] ignore(user:symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog'))
^  Call: (161) [user] setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _108032, [encoding(utf8)]), setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _108060, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _108032, _108060)), close(_108060)), close(_108032))
^  Call: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _108032, [encoding(utf8)]))
   Call: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _108032, [encoding(utf8)])
   Exit: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x558d99e6bec0), [encoding(utf8)])
^  Exit: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x558d99e6bec0), [encoding(utf8)]))
^  Call: (162) [user] setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _108060, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x558d99e6bec0), _108060)), close(_108060))
^  Call: (163) [system] sig_atomic(user:open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _108060, [encoding(utf8)]))
   Call: (165) [system] open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _108060, [encoding(utf8)])
   Exit: (165) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x558d99f9b220), [encoding(utf8)])
^  Exit: (163) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x558d99f9b220), [encoding(utf8)]))
^  Call: (163) [user] must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x558d99e6bec0), (0x558d99f9b220)))
^  Call: (164) [user] once(user:translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x558d99e6bec0), (0x558d99f9b220)))
^  Call: (165) [user] translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x558d99e6bec0), (0x558d99f9b220))
^  Call: (166) [user] may_use_datalog
^  Exit: (166) [user] may_use_datalog
^  Call: (166) [user] must_det_ll(notrace((write((0x558d99f9b220), '/* '), write((0x558d99f9b220), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x558d99f9b220), ' */'), get_time(_169070), stamp_date_time(_169070, _169082, 'UTC'), format_time(string(_169102), '%FT%T%z', _169082), write((0x558d99f9b220), '/* '), write((0x558d99f9b220), _169102), writeln((0x558d99f9b220), ' */'))))
^  Call: (167) [user] once(user:notrace((write((0x558d99f9b220), '/* '), write((0x558d99f9b220), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x558d99f9b220), ' */'), get_time(_169070), stamp_date_time(_169070, _169082, 'UTC'), format_time(string(_169102), '%FT%T%z', _169082), write((0x558d99f9b220), '/* '), write((0x558d99f9b220), _169102), writeln((0x558d99f9b220), ' */'))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_178822, _178824), once(user:(write((0x558d99f9b220), '/* '), write((0x558d99f9b220), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x558d99f9b220), ' */'), get_time(_169070), stamp_date_time(_169070, _169082, 'UTC'), format_time(string(_169102), '%FT%T%z', _169082), write((0x558d99f9b220), '/* '), write((0x558d99f9b220), _169102), writeln((0x558d99f9b220), ' */'))), '$restore_trace'(_178822, _178824))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_178822, _178824))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(write((0x558d99f9b220), '/* '), write((0x558d99f9b220), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x558d99f9b220), ' */'), get_time(1726258747.3137925), stamp_date_time(1726258747.3137925, date(2024, 9, 13, 20, 19, 7.313792467, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-13T20:19:07+0000"), '%FT%T%z', date(2024, 9, 13, 20, 19, 7.313792467, 0, 'UTC', -)), write((0x558d99f9b220), '/* '), write((0x558d99f9b220), "2024-09-13T20:19:07+0000"), writeln((0x558d99f9b220), ' */'))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((write((0x558d99f9b220), '/* '), write((0x558d99f9b220), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x558d99f9b220), ' */'), get_time(1726258747.3137925), stamp_date_time(1726258747.3137925, date(2024, 9, 13, 20, 19, 7.313792467, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-13T20:19:07+0000"), '%FT%T%z', date(2024, 9, 13, 20, 19, 7.313792467, 0, 'UTC', -)), write((0x558d99f9b220), '/* '), write((0x558d99f9b220), "2024-09-13T20:19:07+0000"), writeln((0x558d99f9b220), ' */'))))
^  Exit: (166) [user] must_det_ll(user:notrace((write((0x558d99f9b220), '/* '), write((0x558d99f9b220), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x558d99f9b220), ' */'), get_time(1726258747.3137925), stamp_date_time(1726258747.3137925, date(2024, 9, 13, 20, 19, 7.313792467, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-13T20:19:07+0000"), '%FT%T%z', date(2024, 9, 13, 20, 19, 7.313792467, 0, 'UTC', -)), write((0x558d99f9b220), '/* '), write((0x558d99f9b220), "2024-09-13T20:19:07+0000"), writeln((0x558d99f9b220), ' */'))))
^  Call: (166) [user] must_det_ll(filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _199202))
^  Call: (167) [user] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _199202))
^  Call: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _199202)
   Call: (169) [system] get_time(_213722)
   Exit: (169) [system] get_time(1726258747.317601)
^  Call: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726258747.317601], '_', _215596)
   Call: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726258747.317601], '_', _215596)
   Exit: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726258747.317601], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601')
^  Exit: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726258747.317601], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601')
   Call: (169) [system] _234966=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
   Exit: (169) [system] ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
^  Call: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], _236908)
^  Call: (170) [user] apply:foldl(replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', _236908)
   Call: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', _236908)
^  Call: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', _239726)
^  Call: (173) [user] symbolic_list_concat(_240660, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601')
   Call: (174) [system] atomic_list_concat(_240660, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601')
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726258747.317601'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726258747.317601'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601')
^  Call: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726258747.317601'], '_', _239726)
   Call: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726258747.317601'], '_', _239726)
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726258747.317601'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726258747.317601'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Exit: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
   Call: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', _236908)
^  Call: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', _249998)
^  Call: (174) [user] symbolic_list_concat(_250932, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
   Call: (175) [system] atomic_list_concat(_250932, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Call: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601'], '_', _249998)
   Call: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601'], '_', _249998)
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Exit: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
   Call: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', _236908)
^  Call: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', _260264)
^  Call: (175) [user] symbolic_list_concat(_261198, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
   Call: (176) [system] atomic_list_concat(_261198, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726258747.317601'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726258747.317601'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601')
^  Call: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726258747.317601'], '_', _260264)
   Call: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726258747.317601'], '_', _260264)
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726258747.317601'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726258747.317601'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Exit: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
   Call: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', _236908)
^  Call: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', _270590)
^  Call: (176) [user] symbolic_list_concat(_271524, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
   Call: (177) [system] atomic_list_concat(_271524, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Call: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601'], '_', _270590)
   Call: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601'], '_', _270590)
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Exit: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
   Call: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', _236908)
^  Call: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', _280856)
^  Call: (177) [user] symbolic_list_concat(_281790, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
   Call: (178) [system] atomic_list_concat(_281790, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747', '317601'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747', '317601'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601')
^  Call: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747', '317601'], '_', _280856)
   Call: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747', '317601'], '_', _280856)
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747', '317601'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747', '317601'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
^  Exit: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
   Call: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601', _236908)
^  Call: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601', _291128)
^  Call: (178) [user] symbolic_list_concat(_292062, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
   Call: (179) [system] atomic_list_concat(_292062, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601')
^  Call: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', _291128)
   Call: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', _291128)
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Call: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, _236908)
^  Call: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, _301412)
^  Call: (179) [user] symbolic_list_concat(_302346, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Call: (180) [system] atomic_list_concat(_302346, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Call: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', _301412)
   Call: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', _301412)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Call: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, _236908)
   Exit: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726258747.317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726258747.317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
   Exit: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (170) [apply] apply:foldl(user:replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Exit: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726258747.317601', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601)
^  Call: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, _199202)
   Call: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, _321978)
   Exit: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, 139)
   Call: (170) [system] 139=<24
   Call: (170) [system] _324770 is 139+ -32
   Exit: (170) [system] 107 is 139+ -32
   Call: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, 107, 32, _326708, _199202)
   Exit: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, 107, 32, 0, ynthesize_long_1726258747_317601)
^  Exit: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726258747_317601, ynthesize_long_1726258747_317601)
^  Exit: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1726258747_317601)
^  Exit: (167) [system] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1726258747_317601))
^  Exit: (166) [user] must_det_ll(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', ynthesize_long_1726258747_317601))
^  Call: (166) [user] must_det_ll(mangle_iz(ynthesize_long_1726258747_317601, _343956))
^  Call: (167) [user] once(user:mangle_iz(ynthesize_long_1726258747_317601, _343956))
^  Call: (168) [user] mangle_iz(ynthesize_long_1726258747_317601, _343956)
^  Call: (169) [user] symbol_concat(ynthesize_long_1726258747_317601, '_iz', _343956)
   Call: (170) [system] atom_concat(ynthesize_long_1726258747_317601, '_iz', _343956)
   Exit: (170) [system] atom_concat(ynthesize_long_1726258747_317601, '_iz', ynthesize_long_1726258747_317601_iz)
^  Exit: (169) [user] symbol_concat(ynthesize_long_1726258747_317601, '_iz', ynthesize_long_1726258747_317601_iz)
^  Exit: (168) [user] mangle_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601_iz)
^  Exit: (167) [system] once(user:mangle_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601_iz))
^  Exit: (166) [user] must_det_ll(user:mangle_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601_iz))
^  Call: (166) [user] must_det_ll(notrace((format((0x558d99f9b220), ':- style_check(-singleton). ~n', []), format((0x558d99f9b220), ':- style_check(-discontiguous). ~n', []), format((0x558d99f9b220), ':- dynamic((~q)/2). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/3). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/8). ~n', [ynthesize_long_1726258747_317601_iz]), writeln((0x558d99f9b220), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x558d99f9b220), ':- multifile(user:asserted_metta_pred/2).'), format((0x558d99f9b220), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1726258747_317601, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x558d99f9b220), produce_iz(ynthesize_long_1726258747_317601)))))
^  Call: (167) [user] once(user:notrace((format((0x558d99f9b220), ':- style_check(-singleton). ~n', []), format((0x558d99f9b220), ':- style_check(-discontiguous). ~n', []), format((0x558d99f9b220), ':- dynamic((~q)/2). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/3). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/8). ~n', [ynthesize_long_1726258747_317601_iz]), writeln((0x558d99f9b220), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x558d99f9b220), ':- multifile(user:asserted_metta_pred/2).'), format((0x558d99f9b220), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1726258747_317601, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x558d99f9b220), produce_iz(ynthesize_long_1726258747_317601)))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_363256, _363258), once(user:(format((0x558d99f9b220), ':- style_check(-singleton). ~n', []), format((0x558d99f9b220), ':- style_check(-discontiguous). ~n', []), format((0x558d99f9b220), ':- dynamic((~q)/2). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/3). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/8). ~n', [ynthesize_long_1726258747_317601_iz]), writeln((0x558d99f9b220), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x558d99f9b220), ':- multifile(user:asserted_metta_pred/2).'), format((0x558d99f9b220), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1726258747_317601, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x558d99f9b220), produce_iz(ynthesize_long_1726258747_317601)))), '$restore_trace'(_363256, _363258))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_363256, _363258))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(format((0x558d99f9b220), ':- style_check(-singleton). ~n', []), format((0x558d99f9b220), ':- style_check(-discontiguous). ~n', []), format((0x558d99f9b220), ':- dynamic((~q)/2). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/3). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/8). ~n', [ynthesize_long_1726258747_317601_iz]), writeln((0x558d99f9b220), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x558d99f9b220), ':- multifile(user:asserted_metta_pred/2).'), format((0x558d99f9b220), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1726258747_317601, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x558d99f9b220), produce_iz(ynthesize_long_1726258747_317601)))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((format((0x558d99f9b220), ':- style_check(-singleton). ~n', []), format((0x558d99f9b220), ':- style_check(-discontiguous). ~n', []), format((0x558d99f9b220), ':- dynamic((~q)/2). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/3). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/8). ~n', [ynthesize_long_1726258747_317601_iz]), writeln((0x558d99f9b220), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x558d99f9b220), ':- multifile(user:asserted_metta_pred/2).'), format((0x558d99f9b220), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1726258747_317601, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x558d99f9b220), produce_iz(ynthesize_long_1726258747_317601)))))
^  Exit: (166) [user] must_det_ll(user:notrace((format((0x558d99f9b220), ':- style_check(-singleton). ~n', []), format((0x558d99f9b220), ':- style_check(-discontiguous). ~n', []), format((0x558d99f9b220), ':- dynamic((~q)/2). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/3). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601]), format((0x558d99f9b220), ':- dynamic((~q)/4). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/5). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/6). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/7). ~n', [ynthesize_long_1726258747_317601_iz]), format((0x558d99f9b220), ':- dynamic((~q)/8). ~n', [ynthesize_long_1726258747_317601_iz]), writeln((0x558d99f9b220), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x558d99f9b220), ':- multifile(user:asserted_metta_pred/2).'), format((0x558d99f9b220), 'user:asserted_metta_pred(~q,~q). ~n', [ynthesize_long_1726258747_317601, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x558d99f9b220), produce_iz(ynthesize_long_1726258747_317601)))))
^  Call: (166) [user] must_det_ll(flag(translated_forms, _383702, 0))
^  Call: (167) [user] once(user:flag(translated_forms, _383702, 0))
   Call: (168) [$syspreds] flag(translated_forms, _383702, 0)
   Call: (169) [system] _383702==0
^  Call: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _383702, 0))
   Call: (171) [$syspreds] update_flag(translated_forms, _383702, 0)
   Call: (172) [system] get_flag(translated_forms, _383702)
   Exit: (172) [system] get_flag(translated_forms, 29)
   Call: (172) [system] atom(0)
   Call: (172) [system] set_flag(translated_forms, 0)
   Exit: (172) [system] set_flag(translated_forms, 0)
   Exit: (171) [$syspreds] update_flag(translated_forms, 29, 0)
^  Exit: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 29, 0))
   Exit: (168) [$syspreds] flag(translated_forms, 29, 0)
^  Exit: (167) [system] once(user:flag(translated_forms, 29, 0))
^  Exit: (166) [user] must_det_ll(user:flag(translated_forms, 29, 0))
^  Call: (166) [user] must_det_ll(_398590=t(1726258747.3137925))
^  Call: (167) [user] once(user:(_398590=t(1726258747.3137925)))
   Call: (168) [system] _398590=t(1726258747.3137925)
   Exit: (168) [system] t(1726258747.3137925)=t(1726258747.3137925)
^  Exit: (167) [system] once(user:(t(1726258747.3137925)=t(1726258747.3137925)))
^  Exit: (166) [user] must_det_ll(user:(t(1726258747.3137925)=t(1726258747.3137925)))
^  Call: (166) [user] once(call((repeat, (at_end_of_stream((0x558d99e6bec0))->!;(must_det_ll(line_count((0x558d99e6bec0), _404214)), must_det_ll(read_sform((0x558d99e6bec0), _404224))), (_404224==end_of_file->!;once((if_t((get_time(_404274), arg(1, t(1726258747.3137925), _404288), _404298 is _404274-_404288, _404298>4), (nb_setarg(1, t(1726258747.3137925), _404274), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_404224), _404214]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _404386, _404386+1), write_metta_datalog_term((0x558d99f9b220), _404224, ynthesize_long_1726258747_317601, _404214))), fail)))))
^  Call: (167) [user] call((repeat, (at_end_of_stream((0x558d99e6bec0))->!;(must_det_ll(line_count((0x558d99e6bec0), _404214)), must_det_ll(read_sform((0x558d99e6bec0), _404224))), (_404224==end_of_file->!;once((if_t((get_time(_404274), arg(1, t(1726258747.3137925), _404288), _404298 is _404274-_404288, _404298>4), (nb_setarg(1, t(1726258747.3137925), _404274), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_404224), _404214]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _404386, _404386+1), write_metta_datalog_term((0x558d99f9b220), _404224, ynthesize_long_1726258747_317601, _404214))), fail))))
   Call: (169) [system] repeat
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _404214))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _404214))
   Call: (171) [system] line_count((0x558d99e6bec0), _404214)
   Exit: (171) [system] line_count((0x558d99e6bec0), 1)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 1))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 1))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _404224))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _404224))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _404224)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _404224)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _404224)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _425048)
   Exit: (174) [system] peek_char((0x558d99e6bec0), ;)
   Call: (174) [system] char_type(;, space)
   Call: (174) [system] _427834=(0x558d99e6bec0)
   Exit: (174) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (174) [user] once((read_position((0x558d99e6bec0), _429702, _429704, _429706, _429708), read_sexpr((0x558d99e6bec0), _429720), assertz(metta_file_comment(_429702, _429704, _429706, _429720, _429708))))
^  Call: (176) [user] read_position((0x558d99e6bec0), _429702, _429704, _429706, _429708)
   Call: (177) [system] stream_property((0x558d99e6bec0), position(_429708))
   Call: (178) [system] nonvar((0x558d99e6bec0))
   Exit: (178) [system] nonvar((0x558d99e6bec0))
   Call: (178) [system] nonvar(position(_429708))
   Exit: (178) [system] nonvar(position(_429708))
   Exit: (177) [system] stream_property((0x558d99e6bec0), position('$stream_position'(0, 1, 0, 0)))
   Call: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _429702)
   Call: (178) [system] nonvar(line_count)
   Exit: (178) [system] nonvar(line_count)
   Call: (178) [$syspreds] stream_position_field(line_count, _439960)
   Exit: (178) [$syspreds] stream_position_field(line_count, 2)
   Call: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), _429702)
   Exit: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _429704)
   Call: (178) [system] nonvar(line_position)
   Exit: (178) [system] nonvar(line_position)
   Call: (178) [$syspreds] stream_position_field(line_position, _447394)
   Exit: (178) [$syspreds] stream_position_field(line_position, 3)
   Call: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), _429704)
   Exit: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _429706)
   Call: (178) [system] nonvar(char_count)
   Exit: (178) [system] nonvar(char_count)
   Call: (178) [$syspreds] stream_position_field(char_count, _454828)
   Exit: (178) [$syspreds] stream_position_field(char_count, 1)
   Call: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), _429706)
   Exit: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (176) [user] read_position((0x558d99e6bec0), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (176) [user] read_sexpr((0x558d99e6bec0), _429720)
   Call: (177) [system] string((0x558d99e6bec0))
   Fail: (177) [system] string((0x558d99e6bec0))
^  Call: (177) [user] cont_sexpr(')', (0x558d99e6bec0), _429720)
^  Call: (178) [user] skip_spaces((0x558d99e6bec0))
   Call: (179) [system] peek_char((0x558d99e6bec0), _465054)
   Exit: (179) [system] peek_char((0x558d99e6bec0), ;)
   Call: (179) [system] (;)=(;)
   Exit: (179) [system] (;)=(;)
^  Call: (179) [user] read_comment((0x558d99e6bec0))
^  Call: (180) [user] read_position((0x558d99e6bec0), _469692, _469694, _469696, _469698)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_469698))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_469698))
   Exit: (182) [system] nonvar(position(_469698))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(0, 1, 0, 0)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _469692)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _478986)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), _469692)
   Exit: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _469694)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _486420)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), _469694)
   Exit: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _469696)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _493854)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), _469696)
   Exit: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (180) [user] read_until_eol((0x558d99e6bec0), _499448)
   Call: (181) [system] get_char((0x558d99e6bec0), _500378)
   Exit: (181) [system] get_char((0x558d99e6bec0), ;)
   Call: (181) [system] char_type(;, end_of_line)
   Fail: (181) [system] char_type(;, end_of_line)
   Call: (181) [system] (;)=end_of_file
   Fail: (181) [system] (;)=end_of_file
^  Call: (181) [user] read_until_eol((0x558d99e6bec0), _505948)
   Call: (182) [system] get_char((0x558d99e6bec0), _506878)
   Exit: (182) [system] get_char((0x558d99e6bec0), ;)
   Call: (182) [system] char_type(;, end_of_line)
   Fail: (182) [system] char_type(;, end_of_line)
   Call: (182) [system] (;)=end_of_file
   Fail: (182) [system] (;)=end_of_file
^  Call: (182) [user] read_until_eol((0x558d99e6bec0), _512448)
   Call: (183) [system] get_char((0x558d99e6bec0), _513378)
   Exit: (183) [system] get_char((0x558d99e6bec0), t)
   Call: (183) [system] char_type(t, end_of_line)
   Fail: (183) [system] char_type(t, end_of_line)
   Call: (183) [system] t=end_of_file
   Fail: (183) [system] t=end_of_file
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _518948)
   Call: (184) [system] get_char((0x558d99e6bec0), _519878)
   Exit: (184) [system] get_char((0x558d99e6bec0), i)
   Call: (184) [system] char_type(i, end_of_line)
   Fail: (184) [system] char_type(i, end_of_line)
   Call: (184) [system] i=end_of_file
   Fail: (184) [system] i=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _525448)
   Call: (185) [system] get_char((0x558d99e6bec0), _526378)
   Exit: (185) [system] get_char((0x558d99e6bec0), m)
   Call: (185) [system] char_type(m, end_of_line)
   Fail: (185) [system] char_type(m, end_of_line)
   Call: (185) [system] m=end_of_file
   Fail: (185) [system] m=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _531948)
   Call: (186) [system] get_char((0x558d99e6bec0), _532878)
   Exit: (186) [system] get_char((0x558d99e6bec0), e)
   Call: (186) [system] char_type(e, end_of_line)
   Fail: (186) [system] char_type(e, end_of_line)
   Call: (186) [system] e=end_of_file
   Fail: (186) [system] e=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _538448)
   Call: (187) [system] get_char((0x558d99e6bec0), _539378)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
   Call: (187) [system] char_type(' ', end_of_line)
   Fail: (187) [system] char_type(' ', end_of_line)
   Call: (187) [system] ' '=end_of_file
   Fail: (187) [system] ' '=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _544948)
   Call: (188) [system] get_char((0x558d99e6bec0), _545878)
   Exit: (188) [system] get_char((0x558d99e6bec0), m)
   Call: (188) [system] char_type(m, end_of_line)
   Fail: (188) [system] char_type(m, end_of_line)
   Call: (188) [system] m=end_of_file
   Fail: (188) [system] m=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _551448)
   Call: (189) [system] get_char((0x558d99e6bec0), _552378)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] char_type(e, end_of_line)
   Fail: (189) [system] char_type(e, end_of_line)
   Call: (189) [system] e=end_of_file
   Fail: (189) [system] e=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _557948)
   Call: (190) [system] get_char((0x558d99e6bec0), _558878)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] char_type(t, end_of_line)
   Fail: (190) [system] char_type(t, end_of_line)
   Call: (190) [system] t=end_of_file
   Fail: (190) [system] t=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _564448)
   Call: (191) [system] get_char((0x558d99e6bec0), _565378)
   Exit: (191) [system] get_char((0x558d99e6bec0), t)
   Call: (191) [system] char_type(t, end_of_line)
   Fail: (191) [system] char_type(t, end_of_line)
   Call: (191) [system] t=end_of_file
   Fail: (191) [system] t=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _570948)
   Call: (192) [system] get_char((0x558d99e6bec0), _571878)
   Exit: (192) [system] get_char((0x558d99e6bec0), a)
   Call: (192) [system] char_type(a, end_of_line)
   Fail: (192) [system] char_type(a, end_of_line)
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _577448)
   Call: (193) [system] get_char((0x558d99e6bec0), _578378)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _583948)
   Call: (194) [system] get_char((0x558d99e6bec0), _584878)
   Exit: (194) [system] get_char((0x558d99e6bec0), t)
   Call: (194) [system] char_type(t, end_of_line)
   Fail: (194) [system] char_type(t, end_of_line)
   Call: (194) [system] t=end_of_file
   Fail: (194) [system] t=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _590448)
   Call: (195) [system] get_char((0x558d99e6bec0), _591378)
   Exit: (195) [system] get_char((0x558d99e6bec0), e)
   Call: (195) [system] char_type(e, end_of_line)
   Fail: (195) [system] char_type(e, end_of_line)
   Call: (195) [system] e=end_of_file
   Fail: (195) [system] e=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _596948)
   Call: (196) [system] get_char((0x558d99e6bec0), _597878)
   Exit: (196) [system] get_char((0x558d99e6bec0), s)
   Call: (196) [system] char_type(s, end_of_line)
   Fail: (196) [system] char_type(s, end_of_line)
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _603448)
   Call: (197) [system] get_char((0x558d99e6bec0), _604378)
   Exit: (197) [system] get_char((0x558d99e6bec0), t)
   Call: (197) [system] char_type(t, end_of_line)
   Fail: (197) [system] char_type(t, end_of_line)
   Call: (197) [system] t=end_of_file
   Fail: (197) [system] t=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _609948)
   Call: (198) [system] get_char((0x558d99e6bec0), _610878)
   Exit: (198) [system] get_char((0x558d99e6bec0), s)
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _616448)
   Call: (199) [system] get_char((0x558d99e6bec0), _617378)
   Exit: (199) [system] get_char((0x558d99e6bec0), /)
   Call: (199) [system] char_type(/, end_of_line)
   Fail: (199) [system] char_type(/, end_of_line)
   Call: (199) [system] (/)=end_of_file
   Fail: (199) [system] (/)=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _622948)
   Call: (200) [system] get_char((0x558d99e6bec0), _623878)
   Exit: (200) [system] get_char((0x558d99e6bec0), b)
   Call: (200) [system] char_type(b, end_of_line)
   Fail: (200) [system] char_type(b, end_of_line)
   Call: (200) [system] b=end_of_file
   Fail: (200) [system] b=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _629448)
   Call: (201) [system] get_char((0x558d99e6bec0), _630378)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] char_type(a, end_of_line)
   Fail: (201) [system] char_type(a, end_of_line)
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _635948)
   Call: (202) [system] get_char((0x558d99e6bec0), _636878)
   Exit: (202) [system] get_char((0x558d99e6bec0), s)
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] s=end_of_file
   Fail: (202) [system] s=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _642448)
   Call: (203) [system] get_char((0x558d99e6bec0), _643378)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] char_type(e, end_of_line)
   Fail: (203) [system] char_type(e, end_of_line)
   Call: (203) [system] e=end_of_file
   Fail: (203) [system] e=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _648948)
   Call: (204) [system] get_char((0x558d99e6bec0), _649878)
   Exit: (204) [system] get_char((0x558d99e6bec0), l)
   Call: (204) [system] char_type(l, end_of_line)
   Fail: (204) [system] char_type(l, end_of_line)
   Call: (204) [system] l=end_of_file
   Fail: (204) [system] l=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _655448)
   Call: (205) [system] get_char((0x558d99e6bec0), _656378)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] char_type(i, end_of_line)
   Fail: (205) [system] char_type(i, end_of_line)
   Call: (205) [system] i=end_of_file
   Fail: (205) [system] i=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _661948)
   Call: (206) [system] get_char((0x558d99e6bec0), _662878)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] char_type(n, end_of_line)
   Fail: (206) [system] char_type(n, end_of_line)
   Call: (206) [system] n=end_of_file
   Fail: (206) [system] n=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _668448)
   Call: (207) [system] get_char((0x558d99e6bec0), _669378)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] char_type(e, end_of_line)
   Fail: (207) [system] char_type(e, end_of_line)
   Call: (207) [system] e=end_of_file
   Fail: (207) [system] e=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _674948)
   Call: (208) [system] get_char((0x558d99e6bec0), _675878)
   Exit: (208) [system] get_char((0x558d99e6bec0), '_')
   Call: (208) [system] char_type('_', end_of_line)
   Fail: (208) [system] char_type('_', end_of_line)
   Call: (208) [system] '_'=end_of_file
   Fail: (208) [system] '_'=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _681448)
   Call: (209) [system] get_char((0x558d99e6bec0), _682378)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] c=end_of_file
   Fail: (209) [system] c=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _687948)
   Call: (210) [system] get_char((0x558d99e6bec0), _688878)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] char_type(o, end_of_line)
   Fail: (210) [system] char_type(o, end_of_line)
   Call: (210) [system] o=end_of_file
   Fail: (210) [system] o=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _694448)
   Call: (211) [system] get_char((0x558d99e6bec0), _695378)
   Exit: (211) [system] get_char((0x558d99e6bec0), m)
   Call: (211) [system] char_type(m, end_of_line)
   Fail: (211) [system] char_type(m, end_of_line)
   Call: (211) [system] m=end_of_file
   Fail: (211) [system] m=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _700948)
   Call: (212) [system] get_char((0x558d99e6bec0), _701878)
   Exit: (212) [system] get_char((0x558d99e6bec0), p)
   Call: (212) [system] char_type(p, end_of_line)
   Fail: (212) [system] char_type(p, end_of_line)
   Call: (212) [system] p=end_of_file
   Fail: (212) [system] p=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _707448)
   Call: (213) [system] get_char((0x558d99e6bec0), _708378)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _713948)
   Call: (214) [system] get_char((0x558d99e6bec0), _714878)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] char_type(t, end_of_line)
   Fail: (214) [system] char_type(t, end_of_line)
   Call: (214) [system] t=end_of_file
   Fail: (214) [system] t=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _720448)
   Call: (215) [system] get_char((0x558d99e6bec0), _721378)
   Exit: (215) [system] get_char((0x558d99e6bec0), /)
   Call: (215) [system] char_type(/, end_of_line)
   Fail: (215) [system] char_type(/, end_of_line)
   Call: (215) [system] (/)=end_of_file
   Fail: (215) [system] (/)=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _726948)
   Call: (216) [system] get_char((0x558d99e6bec0), _727878)
   Exit: (216) [system] get_char((0x558d99e6bec0), h)
   Call: (216) [system] char_type(h, end_of_line)
   Fail: (216) [system] char_type(h, end_of_line)
   Call: (216) [system] h=end_of_file
   Fail: (216) [system] h=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _733448)
   Call: (217) [system] get_char((0x558d99e6bec0), _734378)
   Exit: (217) [system] get_char((0x558d99e6bec0), y)
   Call: (217) [system] char_type(y, end_of_line)
   Fail: (217) [system] char_type(y, end_of_line)
   Call: (217) [system] y=end_of_file
   Fail: (217) [system] y=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _739948)
   Call: (218) [system] get_char((0x558d99e6bec0), _740878)
   Exit: (218) [system] get_char((0x558d99e6bec0), p)
   Call: (218) [system] char_type(p, end_of_line)
   Fail: (218) [system] char_type(p, end_of_line)
   Call: (218) [system] p=end_of_file
   Fail: (218) [system] p=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _746448)
   Call: (219) [system] get_char((0x558d99e6bec0), _747378)
   Exit: (219) [system] get_char((0x558d99e6bec0), e)
   Call: (219) [system] char_type(e, end_of_line)
   Fail: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
   Fail: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _752948)
   Call: (220) [system] get_char((0x558d99e6bec0), _753878)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] char_type(r, end_of_line)
   Fail: (220) [system] char_type(r, end_of_line)
   Call: (220) [system] r=end_of_file
   Fail: (220) [system] r=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _759448)
   Call: (221) [system] get_char((0x558d99e6bec0), _760378)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] char_type(o, end_of_line)
   Fail: (221) [system] char_type(o, end_of_line)
   Call: (221) [system] o=end_of_file
   Fail: (221) [system] o=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _765948)
   Call: (222) [system] get_char((0x558d99e6bec0), _766878)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] char_type(n, end_of_line)
   Fail: (222) [system] char_type(n, end_of_line)
   Call: (222) [system] n=end_of_file
   Fail: (222) [system] n=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _772448)
   Call: (223) [system] get_char((0x558d99e6bec0), _773378)
   Exit: (223) [system] get_char((0x558d99e6bec0), -)
   Call: (223) [system] char_type(-, end_of_line)
   Fail: (223) [system] char_type(-, end_of_line)
   Call: (223) [system] (-)=end_of_file
   Fail: (223) [system] (-)=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _778948)
   Call: (224) [system] get_char((0x558d99e6bec0), _779878)
   Exit: (224) [system] get_char((0x558d99e6bec0), m)
   Call: (224) [system] char_type(m, end_of_line)
   Fail: (224) [system] char_type(m, end_of_line)
   Call: (224) [system] m=end_of_file
   Fail: (224) [system] m=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _785448)
   Call: (225) [system] get_char((0x558d99e6bec0), _786378)
   Exit: (225) [system] get_char((0x558d99e6bec0), e)
   Call: (225) [system] char_type(e, end_of_line)
   Fail: (225) [system] char_type(e, end_of_line)
   Call: (225) [system] e=end_of_file
   Fail: (225) [system] e=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _791948)
   Call: (226) [system] get_char((0x558d99e6bec0), _792878)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] char_type(t, end_of_line)
   Fail: (226) [system] char_type(t, end_of_line)
   Call: (226) [system] t=end_of_file
   Fail: (226) [system] t=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _798448)
   Call: (227) [system] get_char((0x558d99e6bec0), _799378)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] char_type(t, end_of_line)
   Fail: (227) [system] char_type(t, end_of_line)
   Call: (227) [system] t=end_of_file
   Fail: (227) [system] t=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _804948)
   Call: (228) [system] get_char((0x558d99e6bec0), _805878)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _811448)
   Call: (229) [system] get_char((0x558d99e6bec0), _812378)
   Exit: (229) [system] get_char((0x558d99e6bec0), l)
   Call: (229) [system] char_type(l, end_of_line)
   Fail: (229) [system] char_type(l, end_of_line)
   Call: (229) [system] l=end_of_file
   Fail: (229) [system] l=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _817948)
   Call: (230) [system] get_char((0x558d99e6bec0), _818878)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] char_type(o, end_of_line)
   Fail: (230) [system] char_type(o, end_of_line)
   Call: (230) [system] o=end_of_file
   Fail: (230) [system] o=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _824448)
   Call: (231) [system] get_char((0x558d99e6bec0), _825378)
   Exit: (231) [system] get_char((0x558d99e6bec0), g)
   Call: (231) [system] char_type(g, end_of_line)
   Fail: (231) [system] char_type(g, end_of_line)
   Call: (231) [system] g=end_of_file
   Fail: (231) [system] g=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _830948)
   Call: (232) [system] get_char((0x558d99e6bec0), _831878)
   Exit: (232) [system] get_char((0x558d99e6bec0), '_')
   Call: (232) [system] char_type('_', end_of_line)
   Fail: (232) [system] char_type('_', end_of_line)
   Call: (232) [system] '_'=end_of_file
   Fail: (232) [system] '_'=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _837448)
   Call: (233) [system] get_char((0x558d99e6bec0), _838378)
   Exit: (233) [system] get_char((0x558d99e6bec0), s)
   Call: (233) [system] char_type(s, end_of_line)
   Fail: (233) [system] char_type(s, end_of_line)
   Call: (233) [system] s=end_of_file
   Fail: (233) [system] s=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _843948)
   Call: (234) [system] get_char((0x558d99e6bec0), _844878)
   Exit: (234) [system] get_char((0x558d99e6bec0), a)
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] a=end_of_file
   Fail: (234) [system] a=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _850448)
   Call: (235) [system] get_char((0x558d99e6bec0), _851378)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] char_type(n, end_of_line)
   Fail: (235) [system] char_type(n, end_of_line)
   Call: (235) [system] n=end_of_file
   Fail: (235) [system] n=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _856948)
   Call: (236) [system] get_char((0x558d99e6bec0), _857878)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] char_type(i, end_of_line)
   Fail: (236) [system] char_type(i, end_of_line)
   Call: (236) [system] i=end_of_file
   Fail: (236) [system] i=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _863448)
   Call: (237) [system] get_char((0x558d99e6bec0), _864378)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] char_type(t, end_of_line)
   Fail: (237) [system] char_type(t, end_of_line)
   Call: (237) [system] t=end_of_file
   Fail: (237) [system] t=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _869948)
   Call: (238) [system] get_char((0x558d99e6bec0), _870878)
   Exit: (238) [system] get_char((0x558d99e6bec0), y)
   Call: (238) [system] char_type(y, end_of_line)
   Fail: (238) [system] char_type(y, end_of_line)
   Call: (238) [system] y=end_of_file
   Fail: (238) [system] y=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _876448)
   Call: (239) [system] get_char((0x558d99e6bec0), _877378)
   Exit: (239) [system] get_char((0x558d99e6bec0), /)
   Call: (239) [system] char_type(/, end_of_line)
   Fail: (239) [system] char_type(/, end_of_line)
   Call: (239) [system] (/)=end_of_file
   Fail: (239) [system] (/)=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _882948)
   Call: (240) [system] get_char((0x558d99e6bec0), _883878)
   Exit: (240) [system] get_char((0x558d99e6bec0), t)
   Call: (240) [system] char_type(t, end_of_line)
   Fail: (240) [system] char_type(t, end_of_line)
   Call: (240) [system] t=end_of_file
   Fail: (240) [system] t=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _889448)
   Call: (241) [system] get_char((0x558d99e6bec0), _890378)
   Exit: (241) [system] get_char((0x558d99e6bec0), i)
   Call: (241) [system] char_type(i, end_of_line)
   Fail: (241) [system] char_type(i, end_of_line)
   Call: (241) [system] i=end_of_file
   Fail: (241) [system] i=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _895948)
   Call: (242) [system] get_char((0x558d99e6bec0), _896878)
   Exit: (242) [system] get_char((0x558d99e6bec0), m)
   Call: (242) [system] char_type(m, end_of_line)
   Fail: (242) [system] char_type(m, end_of_line)
   Call: (242) [system] m=end_of_file
   Fail: (242) [system] m=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _902448)
   Call: (243) [system] get_char((0x558d99e6bec0), _903378)
   Exit: (243) [system] get_char((0x558d99e6bec0), e)
   Call: (243) [system] char_type(e, end_of_line)
   Fail: (243) [system] char_type(e, end_of_line)
   Call: (243) [system] e=end_of_file
   Fail: (243) [system] e=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _908948)
   Call: (244) [system] get_char((0x558d99e6bec0), _909878)
   Exit: (244) [system] get_char((0x558d99e6bec0), '_')
   Call: (244) [system] char_type('_', end_of_line)
   Fail: (244) [system] char_type('_', end_of_line)
   Call: (244) [system] '_'=end_of_file
   Fail: (244) [system] '_'=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _915448)
   Call: (245) [system] get_char((0x558d99e6bec0), _916378)
   Exit: (245) [system] get_char((0x558d99e6bec0), s)
   Call: (245) [system] char_type(s, end_of_line)
   Fail: (245) [system] char_type(s, end_of_line)
   Call: (245) [system] s=end_of_file
   Fail: (245) [system] s=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _921948)
   Call: (246) [system] get_char((0x558d99e6bec0), _922878)
   Exit: (246) [system] get_char((0x558d99e6bec0), y)
   Call: (246) [system] char_type(y, end_of_line)
   Fail: (246) [system] char_type(y, end_of_line)
   Call: (246) [system] y=end_of_file
   Fail: (246) [system] y=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _928448)
   Call: (247) [system] get_char((0x558d99e6bec0), _929378)
   Exit: (247) [system] get_char((0x558d99e6bec0), n)
   Call: (247) [system] char_type(n, end_of_line)
   Fail: (247) [system] char_type(n, end_of_line)
   Call: (247) [system] n=end_of_file
   Fail: (247) [system] n=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _934948)
   Call: (248) [system] get_char((0x558d99e6bec0), _935878)
   Exit: (248) [system] get_char((0x558d99e6bec0), t)
   Call: (248) [system] char_type(t, end_of_line)
   Fail: (248) [system] char_type(t, end_of_line)
   Call: (248) [system] t=end_of_file
   Fail: (248) [system] t=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _941448)
   Call: (249) [system] get_char((0x558d99e6bec0), _942378)
   Exit: (249) [system] get_char((0x558d99e6bec0), h)
   Call: (249) [system] char_type(h, end_of_line)
   Fail: (249) [system] char_type(h, end_of_line)
   Call: (249) [system] h=end_of_file
   Fail: (249) [system] h=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _947948)
   Call: (250) [system] get_char((0x558d99e6bec0), _948878)
   Exit: (250) [system] get_char((0x558d99e6bec0), e)
   Call: (250) [system] char_type(e, end_of_line)
   Fail: (250) [system] char_type(e, end_of_line)
   Call: (250) [system] e=end_of_file
   Fail: (250) [system] e=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _954448)
   Call: (251) [system] get_char((0x558d99e6bec0), _955378)
   Exit: (251) [system] get_char((0x558d99e6bec0), s)
   Call: (251) [system] char_type(s, end_of_line)
   Fail: (251) [system] char_type(s, end_of_line)
   Call: (251) [system] s=end_of_file
   Fail: (251) [system] s=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _960948)
   Call: (252) [system] get_char((0x558d99e6bec0), _961878)
   Exit: (252) [system] get_char((0x558d99e6bec0), i)
   Call: (252) [system] char_type(i, end_of_line)
   Fail: (252) [system] char_type(i, end_of_line)
   Call: (252) [system] i=end_of_file
   Fail: (252) [system] i=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _967448)
   Call: (253) [system] get_char((0x558d99e6bec0), _968378)
   Exit: (253) [system] get_char((0x558d99e6bec0), z)
   Call: (253) [system] char_type(z, end_of_line)
   Fail: (253) [system] char_type(z, end_of_line)
   Call: (253) [system] z=end_of_file
   Fail: (253) [system] z=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _973948)
   Call: (254) [system] get_char((0x558d99e6bec0), _974878)
   Exit: (254) [system] get_char((0x558d99e6bec0), e)
   Call: (254) [system] char_type(e, end_of_line)
   Fail: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
   Fail: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _980448)
   Call: (255) [system] get_char((0x558d99e6bec0), _981378)
   Exit: (255) [system] get_char((0x558d99e6bec0), '_')
   Call: (255) [system] char_type('_', end_of_line)
   Fail: (255) [system] char_type('_', end_of_line)
   Call: (255) [system] '_'=end_of_file
   Fail: (255) [system] '_'=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _986948)
   Call: (256) [system] get_char((0x558d99e6bec0), _987878)
   Exit: (256) [system] get_char((0x558d99e6bec0), l)
   Call: (256) [system] char_type(l, end_of_line)
   Fail: (256) [system] char_type(l, end_of_line)
   Call: (256) [system] l=end_of_file
   Fail: (256) [system] l=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _993448)
   Call: (257) [system] get_char((0x558d99e6bec0), _994378)
   Exit: (257) [system] get_char((0x558d99e6bec0), o)
   Call: (257) [system] char_type(o, end_of_line)
   Fail: (257) [system] char_type(o, end_of_line)
   Call: (257) [system] o=end_of_file
   Fail: (257) [system] o=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _999948)
   Call: (258) [system] get_char((0x558d99e6bec0), _1000878)
   Exit: (258) [system] get_char((0x558d99e6bec0), n)
   Call: (258) [system] char_type(n, end_of_line)
   Fail: (258) [system] char_type(n, end_of_line)
   Call: (258) [system] n=end_of_file
   Fail: (258) [system] n=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _1006448)
   Call: (259) [system] get_char((0x558d99e6bec0), _1007378)
   Exit: (259) [system] get_char((0x558d99e6bec0), g)
   Call: (259) [system] char_type(g, end_of_line)
   Fail: (259) [system] char_type(g, end_of_line)
   Call: (259) [system] g=end_of_file
   Fail: (259) [system] g=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _1012948)
   Call: (260) [system] get_char((0x558d99e6bec0), _1013878)
   Exit: (260) [system] get_char((0x558d99e6bec0), '.')
   Call: (260) [system] char_type('.', end_of_line)
   Fail: (260) [system] char_type('.', end_of_line)
   Call: (260) [system] ('.')=end_of_file
   Fail: (260) [system] ('.')=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _1019448)
   Call: (261) [system] get_char((0x558d99e6bec0), _1020378)
   Exit: (261) [system] get_char((0x558d99e6bec0), m)
   Call: (261) [system] char_type(m, end_of_line)
   Fail: (261) [system] char_type(m, end_of_line)
   Call: (261) [system] m=end_of_file
   Fail: (261) [system] m=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _1025948)
   Call: (262) [system] get_char((0x558d99e6bec0), _1026878)
   Exit: (262) [system] get_char((0x558d99e6bec0), e)
   Call: (262) [system] char_type(e, end_of_line)
   Fail: (262) [system] char_type(e, end_of_line)
   Call: (262) [system] e=end_of_file
   Fail: (262) [system] e=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _1032448)
   Call: (263) [system] get_char((0x558d99e6bec0), _1033378)
   Exit: (263) [system] get_char((0x558d99e6bec0), t)
   Call: (263) [system] char_type(t, end_of_line)
   Fail: (263) [system] char_type(t, end_of_line)
   Call: (263) [system] t=end_of_file
   Fail: (263) [system] t=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _1038948)
   Call: (264) [system] get_char((0x558d99e6bec0), _1039878)
   Exit: (264) [system] get_char((0x558d99e6bec0), t)
   Call: (264) [system] char_type(t, end_of_line)
   Fail: (264) [system] char_type(t, end_of_line)
   Call: (264) [system] t=end_of_file
   Fail: (264) [system] t=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _1045448)
   Call: (265) [system] get_char((0x558d99e6bec0), _1046378)
   Exit: (265) [system] get_char((0x558d99e6bec0), a)
   Call: (265) [system] char_type(a, end_of_line)
   Fail: (265) [system] char_type(a, end_of_line)
   Call: (265) [system] a=end_of_file
   Fail: (265) [system] a=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _1051948)
   Call: (266) [system] get_char((0x558d99e6bec0), _1052878)
   Exit: (266) [system] get_char((0x558d99e6bec0), '\n')
   Call: (266) [system] char_type('\n', end_of_line)
   Exit: (266) [system] char_type('\n', end_of_line)
   Call: (266) [system] _1051948=""
   Exit: (266) [system] ""=""
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (265) [system] string_concat(a, "", _1045448)
   Exit: (265) [system] string_concat(a, "", "a")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), "a")
   Call: (264) [system] string_concat(t, "a", _1038948)
   Exit: (264) [system] string_concat(t, "a", "ta")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "ta")
   Call: (263) [system] string_concat(t, "ta", _1032448)
   Exit: (263) [system] string_concat(t, "ta", "tta")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "tta")
   Call: (262) [system] string_concat(e, "tta", _1025948)
   Exit: (262) [system] string_concat(e, "tta", "etta")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "etta")
   Call: (261) [system] string_concat(m, "etta", _1019448)
   Exit: (261) [system] string_concat(m, "etta", "metta")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "metta")
   Call: (260) [system] string_concat('.', "metta", _1012948)
   Exit: (260) [system] string_concat('.', "metta", ".metta")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), ".metta")
   Call: (259) [system] string_concat(g, ".metta", _1006448)
   Exit: (259) [system] string_concat(g, ".metta", "g.metta")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "g.metta")
   Call: (258) [system] string_concat(n, "g.metta", _999948)
   Exit: (258) [system] string_concat(n, "g.metta", "ng.metta")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "ng.metta")
   Call: (257) [system] string_concat(o, "ng.metta", _993448)
   Exit: (257) [system] string_concat(o, "ng.metta", "ong.metta")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "ong.metta")
   Call: (256) [system] string_concat(l, "ong.metta", _986948)
   Exit: (256) [system] string_concat(l, "ong.metta", "long.metta")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "long.metta")
   Call: (255) [system] string_concat('_', "long.metta", _980448)
   Exit: (255) [system] string_concat('_', "long.metta", "_long.metta")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "_long.metta")
   Call: (254) [system] string_concat(e, "_long.metta", _973948)
   Exit: (254) [system] string_concat(e, "_long.metta", "e_long.metta")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "e_long.metta")
   Call: (253) [system] string_concat(z, "e_long.metta", _967448)
   Exit: (253) [system] string_concat(z, "e_long.metta", "ze_long.metta")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "ze_long.metta")
   Call: (252) [system] string_concat(i, "ze_long.metta", _960948)
   Exit: (252) [system] string_concat(i, "ze_long.metta", "ize_long.metta")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "ize_long.metta")
   Call: (251) [system] string_concat(s, "ize_long.metta", _954448)
   Exit: (251) [system] string_concat(s, "ize_long.metta", "size_long.metta")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "size_long.metta")
   Call: (250) [system] string_concat(e, "size_long.metta", _947948)
   Exit: (250) [system] string_concat(e, "size_long.metta", "esize_long.metta")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "esize_long.metta")
   Call: (249) [system] string_concat(h, "esize_long.metta", _941448)
   Exit: (249) [system] string_concat(h, "esize_long.metta", "hesize_long.metta")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "hesize_long.metta")
   Call: (248) [system] string_concat(t, "hesize_long.metta", _934948)
   Exit: (248) [system] string_concat(t, "hesize_long.metta", "thesize_long.metta")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "thesize_long.metta")
   Call: (247) [system] string_concat(n, "thesize_long.metta", _928448)
   Exit: (247) [system] string_concat(n, "thesize_long.metta", "nthesize_long.metta")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "nthesize_long.metta")
   Call: (246) [system] string_concat(y, "nthesize_long.metta", _921948)
   Exit: (246) [system] string_concat(y, "nthesize_long.metta", "ynthesize_long.metta")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "ynthesize_long.metta")
   Call: (245) [system] string_concat(s, "ynthesize_long.metta", _915448)
   Exit: (245) [system] string_concat(s, "ynthesize_long.metta", "synthesize_long.metta")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "synthesize_long.metta")
   Call: (244) [system] string_concat('_', "synthesize_long.metta", _908948)
   Exit: (244) [system] string_concat('_', "synthesize_long.metta", "_synthesize_long.metta")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "_synthesize_long.metta")
   Call: (243) [system] string_concat(e, "_synthesize_long.metta", _902448)
   Exit: (243) [system] string_concat(e, "_synthesize_long.metta", "e_synthesize_long.metta")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "e_synthesize_long.metta")
   Call: (242) [system] string_concat(m, "e_synthesize_long.metta", _895948)
   Exit: (242) [system] string_concat(m, "e_synthesize_long.metta", "me_synthesize_long.metta")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "me_synthesize_long.metta")
   Call: (241) [system] string_concat(i, "me_synthesize_long.metta", _889448)
   Exit: (241) [system] string_concat(i, "me_synthesize_long.metta", "ime_synthesize_long.metta")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "ime_synthesize_long.metta")
   Call: (240) [system] string_concat(t, "ime_synthesize_long.metta", _882948)
   Exit: (240) [system] string_concat(t, "ime_synthesize_long.metta", "time_synthesize_long.metta")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "time_synthesize_long.metta")
   Call: (239) [system] string_concat(/, "time_synthesize_long.metta", _876448)
   Exit: (239) [system] string_concat(/, "time_synthesize_long.metta", "/time_synthesize_long.metta")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "/time_synthesize_long.metta")
   Call: (238) [system] string_concat(y, "/time_synthesize_long.metta", _869948)
   Exit: (238) [system] string_concat(y, "/time_synthesize_long.metta", "y/time_synthesize_long.metta")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "y/time_synthesize_long.metta")
   Call: (237) [system] string_concat(t, "y/time_synthesize_long.metta", _863448)
   Exit: (237) [system] string_concat(t, "y/time_synthesize_long.metta", "ty/time_synthesize_long.metta")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "ty/time_synthesize_long.metta")
   Call: (236) [system] string_concat(i, "ty/time_synthesize_long.metta", _856948)
   Exit: (236) [system] string_concat(i, "ty/time_synthesize_long.metta", "ity/time_synthesize_long.metta")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "ity/time_synthesize_long.metta")
   Call: (235) [system] string_concat(n, "ity/time_synthesize_long.metta", _850448)
   Exit: (235) [system] string_concat(n, "ity/time_synthesize_long.metta", "nity/time_synthesize_long.metta")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "nity/time_synthesize_long.metta")
   Call: (234) [system] string_concat(a, "nity/time_synthesize_long.metta", _843948)
   Exit: (234) [system] string_concat(a, "nity/time_synthesize_long.metta", "anity/time_synthesize_long.metta")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "anity/time_synthesize_long.metta")
   Call: (233) [system] string_concat(s, "anity/time_synthesize_long.metta", _837448)
   Exit: (233) [system] string_concat(s, "anity/time_synthesize_long.metta", "sanity/time_synthesize_long.metta")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "sanity/time_synthesize_long.metta")
   Call: (232) [system] string_concat('_', "sanity/time_synthesize_long.metta", _830948)
   Exit: (232) [system] string_concat('_', "sanity/time_synthesize_long.metta", "_sanity/time_synthesize_long.metta")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "_sanity/time_synthesize_long.metta")
   Call: (231) [system] string_concat(g, "_sanity/time_synthesize_long.metta", _824448)
   Exit: (231) [system] string_concat(g, "_sanity/time_synthesize_long.metta", "g_sanity/time_synthesize_long.metta")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "g_sanity/time_synthesize_long.metta")
   Call: (230) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", _817948)
   Exit: (230) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", "og_sanity/time_synthesize_long.metta")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "og_sanity/time_synthesize_long.metta")
   Call: (229) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", _811448)
   Exit: (229) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", "log_sanity/time_synthesize_long.metta")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "log_sanity/time_synthesize_long.metta")
   Call: (228) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", _804948)
   Exit: (228) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", "alog_sanity/time_synthesize_long.metta")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "alog_sanity/time_synthesize_long.metta")
   Call: (227) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", _798448)
   Exit: (227) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", "talog_sanity/time_synthesize_long.metta")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "talog_sanity/time_synthesize_long.metta")
   Call: (226) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", _791948)
   Exit: (226) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", "ttalog_sanity/time_synthesize_long.metta")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "ttalog_sanity/time_synthesize_long.metta")
   Call: (225) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", _785448)
   Exit: (225) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", "ettalog_sanity/time_synthesize_long.metta")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "ettalog_sanity/time_synthesize_long.metta")
   Call: (224) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", _778948)
   Exit: (224) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", "mettalog_sanity/time_synthesize_long.metta")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "mettalog_sanity/time_synthesize_long.metta")
   Call: (223) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", _772448)
   Exit: (223) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", "-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "-mettalog_sanity/time_synthesize_long.metta")
   Call: (222) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", _765948)
   Exit: (222) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", "n-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "n-mettalog_sanity/time_synthesize_long.metta")
   Call: (221) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", _759448)
   Exit: (221) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", "on-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "on-mettalog_sanity/time_synthesize_long.metta")
   Call: (220) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", _752948)
   Exit: (220) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", "ron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "ron-mettalog_sanity/time_synthesize_long.metta")
   Call: (219) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", _746448)
   Exit: (219) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", "eron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "eron-mettalog_sanity/time_synthesize_long.metta")
   Call: (218) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", _739948)
   Exit: (218) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", "peron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "peron-mettalog_sanity/time_synthesize_long.metta")
   Call: (217) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", _733448)
   Exit: (217) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", "yperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "yperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (216) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", _726948)
   Exit: (216) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", "hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (215) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", _720448)
   Exit: (215) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", "/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (214) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", _713948)
   Exit: (214) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (213) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", _707448)
   Exit: (213) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (212) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", _700948)
   Exit: (212) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (211) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", _694448)
   Exit: (211) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (210) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", _687948)
   Exit: (210) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (209) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", _681448)
   Exit: (209) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (208) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _674948)
   Exit: (208) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (207) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _668448)
   Exit: (207) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (206) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _661948)
   Exit: (206) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (205) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _655448)
   Exit: (205) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (204) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _648948)
   Exit: (204) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (203) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _642448)
   Exit: (203) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (202) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _635948)
   Exit: (202) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (201) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _629448)
   Exit: (201) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (200) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _622948)
   Exit: (200) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (199) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _616448)
   Exit: (199) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (198) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _609948)
   Exit: (198) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (197) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _603448)
   Exit: (197) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (196) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _596948)
   Exit: (196) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (195) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _590448)
   Exit: (195) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (194) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _583948)
   Exit: (194) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (193) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _577448)
   Exit: (193) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (192) [system] string_concat(a, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _570948)
   Exit: (192) [system] string_concat(a, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (191) [system] string_concat(t, "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _564448)
   Exit: (191) [system] string_concat(t, "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (190) [system] string_concat(t, "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _557948)
   Exit: (190) [system] string_concat(t, "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (189) [system] string_concat(e, "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _551448)
   Exit: (189) [system] string_concat(e, "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (188) [system] string_concat(m, "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _544948)
   Exit: (188) [system] string_concat(m, "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (187) [system] string_concat(' ', "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _538448)
   Exit: (187) [system] string_concat(' ', "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (186) [system] string_concat(e, " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _531948)
   Exit: (186) [system] string_concat(e, " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (185) [system] string_concat(m, "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _525448)
   Exit: (185) [system] string_concat(m, "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (184) [system] string_concat(i, "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _518948)
   Exit: (184) [system] string_concat(i, "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (183) [system] string_concat(t, "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _512448)
   Exit: (183) [system] string_concat(t, "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (182) [user] read_until_eol((0x558d99e6bec0), "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (182) [system] string_concat(;, "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _505948)
   Exit: (182) [system] string_concat(;, "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (181) [user] read_until_eol((0x558d99e6bec0), ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (181) [system] string_concat(;, ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _499448)
   Exit: (181) [system] string_concat(;, ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (180) [user] read_until_eol((0x558d99e6bec0), ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (179) [user] read_comment((0x558d99e6bec0))
^  Call: (179) [user] skip_spaces((0x558d99e6bec0))
   Call: (180) [system] peek_char((0x558d99e6bec0), _1301800)
   Exit: (180) [system] peek_char((0x558d99e6bec0), ;)
   Call: (180) [system] (;)=(;)
   Exit: (180) [system] (;)=(;)
^  Call: (180) [user] read_comment((0x558d99e6bec0))
^  Call: (181) [user] read_position((0x558d99e6bec0), _1306438, _1306440, _1306442, _1306444)
   Call: (182) [system] stream_property((0x558d99e6bec0), position(_1306444))
   Call: (183) [system] nonvar((0x558d99e6bec0))
   Exit: (183) [system] nonvar((0x558d99e6bec0))
   Call: (183) [system] nonvar(position(_1306444))
   Exit: (183) [system] nonvar(position(_1306444))
   Exit: (182) [system] stream_property((0x558d99e6bec0), position('$stream_position'(86, 2, 0, 86)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), _1306438)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1315732)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), _1306438)
   Exit: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), 2)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), 2)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), _1306440)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1323166)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), _1306440)
   Exit: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), _1306442)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1330600)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), _1306442)
   Exit: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), 86)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), 86)
^  Exit: (181) [user] read_position((0x558d99e6bec0), 2, 0, 86, '$stream_position'(86, 2, 0, 86))
^  Call: (181) [user] read_until_eol((0x558d99e6bec0), _1336194)
   Call: (182) [system] get_char((0x558d99e6bec0), _1337124)
   Exit: (182) [system] get_char((0x558d99e6bec0), ;)
   Call: (182) [system] char_type(;, end_of_line)
   Fail: (182) [system] char_type(;, end_of_line)
   Call: (182) [system] (;)=end_of_file
   Fail: (182) [system] (;)=end_of_file
^  Call: (182) [user] read_until_eol((0x558d99e6bec0), _1342694)
   Call: (183) [system] get_char((0x558d99e6bec0), _1343624)
   Exit: (183) [system] get_char((0x558d99e6bec0), ;)
   Call: (183) [system] char_type(;, end_of_line)
   Fail: (183) [system] char_type(;, end_of_line)
   Call: (183) [system] (;)=end_of_file
   Fail: (183) [system] (;)=end_of_file
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1349194)
   Call: (184) [system] get_char((0x558d99e6bec0), _1350124)
   Exit: (184) [system] get_char((0x558d99e6bec0), r)
   Call: (184) [system] char_type(r, end_of_line)
   Fail: (184) [system] char_type(r, end_of_line)
   Call: (184) [system] r=end_of_file
   Fail: (184) [system] r=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1355694)
   Call: (185) [system] get_char((0x558d99e6bec0), _1356624)
   Exit: (185) [system] get_char((0x558d99e6bec0), e)
   Call: (185) [system] char_type(e, end_of_line)
   Fail: (185) [system] char_type(e, end_of_line)
   Call: (185) [system] e=end_of_file
   Fail: (185) [system] e=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1362194)
   Call: (186) [system] get_char((0x558d99e6bec0), _1363124)
   Exit: (186) [system] get_char((0x558d99e6bec0), a)
   Call: (186) [system] char_type(a, end_of_line)
   Fail: (186) [system] char_type(a, end_of_line)
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1368694)
   Call: (187) [system] get_char((0x558d99e6bec0), _1369624)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] char_type(l, end_of_line)
   Fail: (187) [system] char_type(l, end_of_line)
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1375194)
   Call: (188) [system] get_char((0x558d99e6bec0), _1376124)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
   Call: (188) [system] char_type(' ', end_of_line)
   Fail: (188) [system] char_type(' ', end_of_line)
   Call: (188) [system] ' '=end_of_file
   Fail: (188) [system] ' '=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1381694)
   Call: (189) [system] get_char((0x558d99e6bec0), _1382624)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
   Call: (189) [system] char_type(' ', end_of_line)
   Fail: (189) [system] char_type(' ', end_of_line)
   Call: (189) [system] ' '=end_of_file
   Fail: (189) [system] ' '=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1388194)
   Call: (190) [system] get_char((0x558d99e6bec0), _1389124)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
   Call: (190) [system] char_type(' ', end_of_line)
   Fail: (190) [system] char_type(' ', end_of_line)
   Call: (190) [system] ' '=end_of_file
   Fail: (190) [system] ' '=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1394694)
   Call: (191) [system] get_char((0x558d99e6bec0), _1395624)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Fail: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
   Fail: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1401194)
   Call: (192) [system] get_char((0x558d99e6bec0), _1402124)
   Exit: (192) [system] get_char((0x558d99e6bec0), '1')
   Call: (192) [system] char_type('1', end_of_line)
   Fail: (192) [system] char_type('1', end_of_line)
   Call: (192) [system] '1'=end_of_file
   Fail: (192) [system] '1'=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1407694)
   Call: (193) [system] get_char((0x558d99e6bec0), _1408624)
   Exit: (193) [system] get_char((0x558d99e6bec0), m)
   Call: (193) [system] char_type(m, end_of_line)
   Fail: (193) [system] char_type(m, end_of_line)
   Call: (193) [system] m=end_of_file
   Fail: (193) [system] m=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1414194)
   Call: (194) [system] get_char((0x558d99e6bec0), _1415124)
   Exit: (194) [system] get_char((0x558d99e6bec0), '1')
   Call: (194) [system] char_type('1', end_of_line)
   Fail: (194) [system] char_type('1', end_of_line)
   Call: (194) [system] '1'=end_of_file
   Fail: (194) [system] '1'=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1420694)
   Call: (195) [system] get_char((0x558d99e6bec0), _1421624)
   Exit: (195) [system] get_char((0x558d99e6bec0), '.')
   Call: (195) [system] char_type('.', end_of_line)
   Fail: (195) [system] char_type('.', end_of_line)
   Call: (195) [system] ('.')=end_of_file
   Fail: (195) [system] ('.')=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1427194)
   Call: (196) [system] get_char((0x558d99e6bec0), _1428124)
   Exit: (196) [system] get_char((0x558d99e6bec0), '6')
   Call: (196) [system] char_type('6', end_of_line)
   Fail: (196) [system] char_type('6', end_of_line)
   Call: (196) [system] '6'=end_of_file
   Fail: (196) [system] '6'=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1433694)
   Call: (197) [system] get_char((0x558d99e6bec0), _1434624)
   Exit: (197) [system] get_char((0x558d99e6bec0), '6')
   Call: (197) [system] char_type('6', end_of_line)
   Fail: (197) [system] char_type('6', end_of_line)
   Call: (197) [system] '6'=end_of_file
   Fail: (197) [system] '6'=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1440194)
   Call: (198) [system] get_char((0x558d99e6bec0), _1441124)
   Exit: (198) [system] get_char((0x558d99e6bec0), '7')
   Call: (198) [system] char_type('7', end_of_line)
   Fail: (198) [system] char_type('7', end_of_line)
   Call: (198) [system] '7'=end_of_file
   Fail: (198) [system] '7'=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1446694)
   Call: (199) [system] get_char((0x558d99e6bec0), _1447624)
   Exit: (199) [system] get_char((0x558d99e6bec0), s)
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1453194)
   Call: (200) [system] get_char((0x558d99e6bec0), _1454124)
   Exit: (200) [system] get_char((0x558d99e6bec0), '\n')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
   Call: (200) [system] _1453194=""
   Exit: (200) [system] ""=""
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (199) [system] string_concat(s, "", _1446694)
   Exit: (199) [system] string_concat(s, "", "s")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (198) [system] string_concat('7', "s", _1440194)
   Exit: (198) [system] string_concat('7', "s", "7s")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "7s")
   Call: (197) [system] string_concat('6', "7s", _1433694)
   Exit: (197) [system] string_concat('6', "7s", "67s")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "67s")
   Call: (196) [system] string_concat('6', "67s", _1427194)
   Exit: (196) [system] string_concat('6', "67s", "667s")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "667s")
   Call: (195) [system] string_concat('.', "667s", _1420694)
   Exit: (195) [system] string_concat('.', "667s", ".667s")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), ".667s")
   Call: (194) [system] string_concat('1', ".667s", _1414194)
   Exit: (194) [system] string_concat('1', ".667s", "1.667s")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "1.667s")
   Call: (193) [system] string_concat(m, "1.667s", _1407694)
   Exit: (193) [system] string_concat(m, "1.667s", "m1.667s")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "m1.667s")
   Call: (192) [system] string_concat('1', "m1.667s", _1401194)
   Exit: (192) [system] string_concat('1', "m1.667s", "1m1.667s")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "1m1.667s")
   Call: (191) [system] string_concat(' ', "1m1.667s", _1394694)
   Exit: (191) [system] string_concat(' ', "1m1.667s", " 1m1.667s")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), " 1m1.667s")
   Call: (190) [system] string_concat(' ', " 1m1.667s", _1388194)
   Exit: (190) [system] string_concat(' ', " 1m1.667s", "  1m1.667s")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "  1m1.667s")
   Call: (189) [system] string_concat(' ', "  1m1.667s", _1381694)
   Exit: (189) [system] string_concat(' ', "  1m1.667s", "   1m1.667s")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "   1m1.667s")
   Call: (188) [system] string_concat(' ', "   1m1.667s", _1375194)
   Exit: (188) [system] string_concat(' ', "   1m1.667s", "    1m1.667s")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "    1m1.667s")
   Call: (187) [system] string_concat(l, "    1m1.667s", _1368694)
   Exit: (187) [system] string_concat(l, "    1m1.667s", "l    1m1.667s")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "l    1m1.667s")
   Call: (186) [system] string_concat(a, "l    1m1.667s", _1362194)
   Exit: (186) [system] string_concat(a, "l    1m1.667s", "al    1m1.667s")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), "al    1m1.667s")
   Call: (185) [system] string_concat(e, "al    1m1.667s", _1355694)
   Exit: (185) [system] string_concat(e, "al    1m1.667s", "eal    1m1.667s")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "eal    1m1.667s")
   Call: (184) [system] string_concat(r, "eal    1m1.667s", _1349194)
   Exit: (184) [system] string_concat(r, "eal    1m1.667s", "real    1m1.667s")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), "real    1m1.667s")
   Call: (183) [system] string_concat(;, "real    1m1.667s", _1342694)
   Exit: (183) [system] string_concat(;, "real    1m1.667s", ";real    1m1.667s")
^  Exit: (182) [user] read_until_eol((0x558d99e6bec0), ";real    1m1.667s")
   Call: (182) [system] string_concat(;, ";real    1m1.667s", _1336194)
   Exit: (182) [system] string_concat(;, ";real    1m1.667s", ";;real    1m1.667s")
^  Exit: (181) [user] read_until_eol((0x558d99e6bec0), ";;real    1m1.667s")
^  Call: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (180) [user] read_comment((0x558d99e6bec0))
^  Call: (180) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] peek_char((0x558d99e6bec0), _1514752)
   Exit: (181) [system] peek_char((0x558d99e6bec0), ;)
   Call: (181) [system] (;)=(;)
   Exit: (181) [system] (;)=(;)
^  Call: (181) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] read_position((0x558d99e6bec0), _1519390, _1519392, _1519394, _1519396)
   Call: (183) [system] stream_property((0x558d99e6bec0), position(_1519396))
   Call: (184) [system] nonvar((0x558d99e6bec0))
   Exit: (184) [system] nonvar((0x558d99e6bec0))
   Call: (184) [system] nonvar(position(_1519396))
   Exit: (184) [system] nonvar(position(_1519396))
   Exit: (183) [system] stream_property((0x558d99e6bec0), position('$stream_position'(105, 3, 0, 105)))
   Call: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), _1519390)
   Call: (184) [system] nonvar(line_count)
   Exit: (184) [system] nonvar(line_count)
   Call: (184) [$syspreds] stream_position_field(line_count, _1528684)
   Exit: (184) [$syspreds] stream_position_field(line_count, 2)
   Call: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), _1519390)
   Exit: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), 3)
   Exit: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), 3)
   Call: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), _1519392)
   Call: (184) [system] nonvar(line_position)
   Exit: (184) [system] nonvar(line_position)
   Call: (184) [$syspreds] stream_position_field(line_position, _1536118)
   Exit: (184) [$syspreds] stream_position_field(line_position, 3)
   Call: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), _1519392)
   Exit: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), 0)
   Exit: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), 0)
   Call: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), _1519394)
   Call: (184) [system] nonvar(char_count)
   Exit: (184) [system] nonvar(char_count)
   Call: (184) [$syspreds] stream_position_field(char_count, _1543552)
   Exit: (184) [$syspreds] stream_position_field(char_count, 1)
   Call: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), _1519394)
   Exit: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), 105)
   Exit: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), 105)
^  Exit: (182) [user] read_position((0x558d99e6bec0), 3, 0, 105, '$stream_position'(105, 3, 0, 105))
^  Call: (182) [user] read_until_eol((0x558d99e6bec0), _1549146)
   Call: (183) [system] get_char((0x558d99e6bec0), _1550076)
   Exit: (183) [system] get_char((0x558d99e6bec0), ;)
   Call: (183) [system] char_type(;, end_of_line)
   Fail: (183) [system] char_type(;, end_of_line)
   Call: (183) [system] (;)=end_of_file
   Fail: (183) [system] (;)=end_of_file
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1555646)
   Call: (184) [system] get_char((0x558d99e6bec0), _1556576)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1562146)
   Call: (185) [system] get_char((0x558d99e6bec0), _1563076)
   Exit: (185) [system] get_char((0x558d99e6bec0), u)
   Call: (185) [system] char_type(u, end_of_line)
   Fail: (185) [system] char_type(u, end_of_line)
   Call: (185) [system] u=end_of_file
   Fail: (185) [system] u=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1568646)
   Call: (186) [system] get_char((0x558d99e6bec0), _1569576)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] char_type(s, end_of_line)
   Fail: (186) [system] char_type(s, end_of_line)
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1575146)
   Call: (187) [system] get_char((0x558d99e6bec0), _1576076)
   Exit: (187) [system] get_char((0x558d99e6bec0), e)
   Call: (187) [system] char_type(e, end_of_line)
   Fail: (187) [system] char_type(e, end_of_line)
   Call: (187) [system] e=end_of_file
   Fail: (187) [system] e=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1581646)
   Call: (188) [system] get_char((0x558d99e6bec0), _1582576)
   Exit: (188) [system] get_char((0x558d99e6bec0), r)
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] r=end_of_file
   Fail: (188) [system] r=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1588146)
   Call: (189) [system] get_char((0x558d99e6bec0), _1589076)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
   Call: (189) [system] char_type(' ', end_of_line)
   Fail: (189) [system] char_type(' ', end_of_line)
   Call: (189) [system] ' '=end_of_file
   Fail: (189) [system] ' '=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1594646)
   Call: (190) [system] get_char((0x558d99e6bec0), _1595576)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
   Call: (190) [system] char_type(' ', end_of_line)
   Fail: (190) [system] char_type(' ', end_of_line)
   Call: (190) [system] ' '=end_of_file
   Fail: (190) [system] ' '=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1601146)
   Call: (191) [system] get_char((0x558d99e6bec0), _1602076)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Fail: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
   Fail: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1607646)
   Call: (192) [system] get_char((0x558d99e6bec0), _1608576)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Fail: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
   Fail: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1614146)
   Call: (193) [system] get_char((0x558d99e6bec0), _1615076)
   Exit: (193) [system] get_char((0x558d99e6bec0), '1')
   Call: (193) [system] char_type('1', end_of_line)
   Fail: (193) [system] char_type('1', end_of_line)
   Call: (193) [system] '1'=end_of_file
   Fail: (193) [system] '1'=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1620646)
   Call: (194) [system] get_char((0x558d99e6bec0), _1621576)
   Exit: (194) [system] get_char((0x558d99e6bec0), m)
   Call: (194) [system] char_type(m, end_of_line)
   Fail: (194) [system] char_type(m, end_of_line)
   Call: (194) [system] m=end_of_file
   Fail: (194) [system] m=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1627146)
   Call: (195) [system] get_char((0x558d99e6bec0), _1628076)
   Exit: (195) [system] get_char((0x558d99e6bec0), '1')
   Call: (195) [system] char_type('1', end_of_line)
   Fail: (195) [system] char_type('1', end_of_line)
   Call: (195) [system] '1'=end_of_file
   Fail: (195) [system] '1'=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1633646)
   Call: (196) [system] get_char((0x558d99e6bec0), _1634576)
   Exit: (196) [system] get_char((0x558d99e6bec0), '.')
   Call: (196) [system] char_type('.', end_of_line)
   Fail: (196) [system] char_type('.', end_of_line)
   Call: (196) [system] ('.')=end_of_file
   Fail: (196) [system] ('.')=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1640146)
   Call: (197) [system] get_char((0x558d99e6bec0), _1641076)
   Exit: (197) [system] get_char((0x558d99e6bec0), '6')
   Call: (197) [system] char_type('6', end_of_line)
   Fail: (197) [system] char_type('6', end_of_line)
   Call: (197) [system] '6'=end_of_file
   Fail: (197) [system] '6'=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1646646)
   Call: (198) [system] get_char((0x558d99e6bec0), _1647576)
   Exit: (198) [system] get_char((0x558d99e6bec0), '3')
   Call: (198) [system] char_type('3', end_of_line)
   Fail: (198) [system] char_type('3', end_of_line)
   Call: (198) [system] '3'=end_of_file
   Fail: (198) [system] '3'=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1653146)
   Call: (199) [system] get_char((0x558d99e6bec0), _1654076)
   Exit: (199) [system] get_char((0x558d99e6bec0), '5')
   Call: (199) [system] char_type('5', end_of_line)
   Fail: (199) [system] char_type('5', end_of_line)
   Call: (199) [system] '5'=end_of_file
   Fail: (199) [system] '5'=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1659646)
   Call: (200) [system] get_char((0x558d99e6bec0), _1660576)
   Exit: (200) [system] get_char((0x558d99e6bec0), s)
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1666146)
   Call: (201) [system] get_char((0x558d99e6bec0), _1667076)
   Exit: (201) [system] get_char((0x558d99e6bec0), '\n')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
   Call: (201) [system] _1666146=""
   Exit: (201) [system] ""=""
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (200) [system] string_concat(s, "", _1659646)
   Exit: (200) [system] string_concat(s, "", "s")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (199) [system] string_concat('5', "s", _1653146)
   Exit: (199) [system] string_concat('5', "s", "5s")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "5s")
   Call: (198) [system] string_concat('3', "5s", _1646646)
   Exit: (198) [system] string_concat('3', "5s", "35s")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "35s")
   Call: (197) [system] string_concat('6', "35s", _1640146)
   Exit: (197) [system] string_concat('6', "35s", "635s")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "635s")
   Call: (196) [system] string_concat('.', "635s", _1633646)
   Exit: (196) [system] string_concat('.', "635s", ".635s")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), ".635s")
   Call: (195) [system] string_concat('1', ".635s", _1627146)
   Exit: (195) [system] string_concat('1', ".635s", "1.635s")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "1.635s")
   Call: (194) [system] string_concat(m, "1.635s", _1620646)
   Exit: (194) [system] string_concat(m, "1.635s", "m1.635s")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "m1.635s")
   Call: (193) [system] string_concat('1', "m1.635s", _1614146)
   Exit: (193) [system] string_concat('1', "m1.635s", "1m1.635s")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "1m1.635s")
   Call: (192) [system] string_concat(' ', "1m1.635s", _1607646)
   Exit: (192) [system] string_concat(' ', "1m1.635s", " 1m1.635s")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), " 1m1.635s")
   Call: (191) [system] string_concat(' ', " 1m1.635s", _1601146)
   Exit: (191) [system] string_concat(' ', " 1m1.635s", "  1m1.635s")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "  1m1.635s")
   Call: (190) [system] string_concat(' ', "  1m1.635s", _1594646)
   Exit: (190) [system] string_concat(' ', "  1m1.635s", "   1m1.635s")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "   1m1.635s")
   Call: (189) [system] string_concat(' ', "   1m1.635s", _1588146)
   Exit: (189) [system] string_concat(' ', "   1m1.635s", "    1m1.635s")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "    1m1.635s")
   Call: (188) [system] string_concat(r, "    1m1.635s", _1581646)
   Exit: (188) [system] string_concat(r, "    1m1.635s", "r    1m1.635s")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "r    1m1.635s")
   Call: (187) [system] string_concat(e, "r    1m1.635s", _1575146)
   Exit: (187) [system] string_concat(e, "r    1m1.635s", "er    1m1.635s")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "er    1m1.635s")
   Call: (186) [system] string_concat(s, "er    1m1.635s", _1568646)
   Exit: (186) [system] string_concat(s, "er    1m1.635s", "ser    1m1.635s")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), "ser    1m1.635s")
   Call: (185) [system] string_concat(u, "ser    1m1.635s", _1562146)
   Exit: (185) [system] string_concat(u, "ser    1m1.635s", "user    1m1.635s")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "user    1m1.635s")
   Call: (184) [system] string_concat(;, "user    1m1.635s", _1555646)
   Exit: (184) [system] string_concat(;, "user    1m1.635s", ";user    1m1.635s")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";user    1m1.635s")
   Call: (183) [system] string_concat(;, ";user    1m1.635s", _1549146)
   Exit: (183) [system] string_concat(;, ";user    1m1.635s", ";;user    1m1.635s")
^  Exit: (182) [user] read_until_eol((0x558d99e6bec0), ";;user    1m1.635s")
^  Call: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (181) [user] read_comment((0x558d99e6bec0))
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1727704)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _1732342, _1732344, _1732346, _1732348)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_1732348))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_1732348))
   Exit: (185) [system] nonvar(position(_1732348))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(124, 4, 0, 124)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), _1732342)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1741636)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), _1732342)
   Exit: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), 4)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), 4)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), _1732344)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1749070)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), _1732344)
   Exit: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), _1732346)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1756504)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), _1732346)
   Exit: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), 124)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), 124)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 4, 0, 124, '$stream_position'(124, 4, 0, 124))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1762098)
   Call: (184) [system] get_char((0x558d99e6bec0), _1763028)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1768598)
   Call: (185) [system] get_char((0x558d99e6bec0), _1769528)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1775098)
   Call: (186) [system] get_char((0x558d99e6bec0), _1776028)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] char_type(s, end_of_line)
   Fail: (186) [system] char_type(s, end_of_line)
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1781598)
   Call: (187) [system] get_char((0x558d99e6bec0), _1782528)
   Exit: (187) [system] get_char((0x558d99e6bec0), y)
   Call: (187) [system] char_type(y, end_of_line)
   Fail: (187) [system] char_type(y, end_of_line)
   Call: (187) [system] y=end_of_file
   Fail: (187) [system] y=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1788098)
   Call: (188) [system] get_char((0x558d99e6bec0), _1789028)
   Exit: (188) [system] get_char((0x558d99e6bec0), s)
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1794598)
   Call: (189) [system] get_char((0x558d99e6bec0), _1795528)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
   Call: (189) [system] char_type(' ', end_of_line)
   Fail: (189) [system] char_type(' ', end_of_line)
   Call: (189) [system] ' '=end_of_file
   Fail: (189) [system] ' '=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1801098)
   Call: (190) [system] get_char((0x558d99e6bec0), _1802028)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
   Call: (190) [system] char_type(' ', end_of_line)
   Fail: (190) [system] char_type(' ', end_of_line)
   Call: (190) [system] ' '=end_of_file
   Fail: (190) [system] ' '=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1807598)
   Call: (191) [system] get_char((0x558d99e6bec0), _1808528)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Fail: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
   Fail: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1814098)
   Call: (192) [system] get_char((0x558d99e6bec0), _1815028)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Fail: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
   Fail: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1820598)
   Call: (193) [system] get_char((0x558d99e6bec0), _1821528)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1827098)
   Call: (194) [system] get_char((0x558d99e6bec0), _1828028)
   Exit: (194) [system] get_char((0x558d99e6bec0), '0')
   Call: (194) [system] char_type('0', end_of_line)
   Fail: (194) [system] char_type('0', end_of_line)
   Call: (194) [system] '0'=end_of_file
   Fail: (194) [system] '0'=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1833598)
   Call: (195) [system] get_char((0x558d99e6bec0), _1834528)
   Exit: (195) [system] get_char((0x558d99e6bec0), m)
   Call: (195) [system] char_type(m, end_of_line)
   Fail: (195) [system] char_type(m, end_of_line)
   Call: (195) [system] m=end_of_file
   Fail: (195) [system] m=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1840098)
   Call: (196) [system] get_char((0x558d99e6bec0), _1841028)
   Exit: (196) [system] get_char((0x558d99e6bec0), '0')
   Call: (196) [system] char_type('0', end_of_line)
   Fail: (196) [system] char_type('0', end_of_line)
   Call: (196) [system] '0'=end_of_file
   Fail: (196) [system] '0'=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1846598)
   Call: (197) [system] get_char((0x558d99e6bec0), _1847528)
   Exit: (197) [system] get_char((0x558d99e6bec0), '.')
   Call: (197) [system] char_type('.', end_of_line)
   Fail: (197) [system] char_type('.', end_of_line)
   Call: (197) [system] ('.')=end_of_file
   Fail: (197) [system] ('.')=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1853098)
   Call: (198) [system] get_char((0x558d99e6bec0), _1854028)
   Exit: (198) [system] get_char((0x558d99e6bec0), '0')
   Call: (198) [system] char_type('0', end_of_line)
   Fail: (198) [system] char_type('0', end_of_line)
   Call: (198) [system] '0'=end_of_file
   Fail: (198) [system] '0'=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1859598)
   Call: (199) [system] get_char((0x558d99e6bec0), _1860528)
   Exit: (199) [system] get_char((0x558d99e6bec0), '3')
   Call: (199) [system] char_type('3', end_of_line)
   Fail: (199) [system] char_type('3', end_of_line)
   Call: (199) [system] '3'=end_of_file
   Fail: (199) [system] '3'=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1866098)
   Call: (200) [system] get_char((0x558d99e6bec0), _1867028)
   Exit: (200) [system] get_char((0x558d99e6bec0), '0')
   Call: (200) [system] char_type('0', end_of_line)
   Fail: (200) [system] char_type('0', end_of_line)
   Call: (200) [system] '0'=end_of_file
   Fail: (200) [system] '0'=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1872598)
   Call: (201) [system] get_char((0x558d99e6bec0), _1873528)
   Exit: (201) [system] get_char((0x558d99e6bec0), s)
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] s=end_of_file
   Fail: (201) [system] s=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1879098)
   Call: (202) [system] get_char((0x558d99e6bec0), _1880028)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _1879098=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (201) [system] string_concat(s, "", _1872598)
   Exit: (201) [system] string_concat(s, "", "s")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (200) [system] string_concat('0', "s", _1866098)
   Exit: (200) [system] string_concat('0', "s", "0s")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "0s")
   Call: (199) [system] string_concat('3', "0s", _1859598)
   Exit: (199) [system] string_concat('3', "0s", "30s")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "30s")
   Call: (198) [system] string_concat('0', "30s", _1853098)
   Exit: (198) [system] string_concat('0', "30s", "030s")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "030s")
   Call: (197) [system] string_concat('.', "030s", _1846598)
   Exit: (197) [system] string_concat('.', "030s", ".030s")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), ".030s")
   Call: (196) [system] string_concat('0', ".030s", _1840098)
   Exit: (196) [system] string_concat('0', ".030s", "0.030s")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "0.030s")
   Call: (195) [system] string_concat(m, "0.030s", _1833598)
   Exit: (195) [system] string_concat(m, "0.030s", "m0.030s")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "m0.030s")
   Call: (194) [system] string_concat('0', "m0.030s", _1827098)
   Exit: (194) [system] string_concat('0', "m0.030s", "0m0.030s")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "0m0.030s")
   Call: (193) [system] string_concat(' ', "0m0.030s", _1820598)
   Exit: (193) [system] string_concat(' ', "0m0.030s", " 0m0.030s")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), " 0m0.030s")
   Call: (192) [system] string_concat(' ', " 0m0.030s", _1814098)
   Exit: (192) [system] string_concat(' ', " 0m0.030s", "  0m0.030s")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "  0m0.030s")
   Call: (191) [system] string_concat(' ', "  0m0.030s", _1807598)
   Exit: (191) [system] string_concat(' ', "  0m0.030s", "   0m0.030s")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "   0m0.030s")
   Call: (190) [system] string_concat(' ', "   0m0.030s", _1801098)
   Exit: (190) [system] string_concat(' ', "   0m0.030s", "    0m0.030s")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "    0m0.030s")
   Call: (189) [system] string_concat(' ', "    0m0.030s", _1794598)
   Exit: (189) [system] string_concat(' ', "    0m0.030s", "     0m0.030s")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "     0m0.030s")
   Call: (188) [system] string_concat(s, "     0m0.030s", _1788098)
   Exit: (188) [system] string_concat(s, "     0m0.030s", "s     0m0.030s")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "s     0m0.030s")
   Call: (187) [system] string_concat(y, "s     0m0.030s", _1781598)
   Exit: (187) [system] string_concat(y, "s     0m0.030s", "ys     0m0.030s")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "ys     0m0.030s")
   Call: (186) [system] string_concat(s, "ys     0m0.030s", _1775098)
   Exit: (186) [system] string_concat(s, "ys     0m0.030s", "sys     0m0.030s")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), "sys     0m0.030s")
   Call: (185) [system] string_concat(;, "sys     0m0.030s", _1768598)
   Exit: (185) [system] string_concat(;, "sys     0m0.030s", ";sys     0m0.030s")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), ";sys     0m0.030s")
   Call: (184) [system] string_concat(;, ";sys     0m0.030s", _1762098)
   Exit: (184) [system] string_concat(;, ";sys     0m0.030s", ";;sys     0m0.030s")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";;sys     0m0.030s")
^  Call: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1940656)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (183) [system] '\n'=(;)
   Fail: (183) [system] '\n'=(;)
^  Call: (183) [user] is_like_space('\n')
   Call: (184) [system] char_type('\n', 'white')
   Fail: (184) [system] char_type('\n', 'white')
   Call: (184) [system] char_type('\n', end_of_line)
   Exit: (184) [system] char_type('\n', end_of_line)
^  Exit: (183) [user] is_like_space('\n')
   Call: (183) [system] get_char((0x558d99e6bec0), _1950250)
   Exit: (183) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1952954)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_comment((0x558d99e6bec0))
^  Call: (185) [user] read_position((0x558d99e6bec0), _1957592, _1957594, _1957596, _1957598)
   Call: (186) [system] stream_property((0x558d99e6bec0), position(_1957598))
   Call: (187) [system] nonvar((0x558d99e6bec0))
   Exit: (187) [system] nonvar((0x558d99e6bec0))
   Call: (187) [system] nonvar(position(_1957598))
   Exit: (187) [system] nonvar(position(_1957598))
   Exit: (186) [system] stream_property((0x558d99e6bec0), position('$stream_position'(144, 6, 0, 144)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), _1957592)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _1966886)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), _1957592)
   Exit: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), 6)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), 6)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), _1957594)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _1974320)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), _1957594)
   Exit: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), _1957596)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _1981754)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), _1957596)
   Exit: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), 144)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), 144)
^  Exit: (185) [user] read_position((0x558d99e6bec0), 6, 0, 144, '$stream_position'(144, 6, 0, 144))
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1987348)
   Call: (186) [system] get_char((0x558d99e6bec0), _1988278)
   Exit: (186) [system] get_char((0x558d99e6bec0), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Fail: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
   Fail: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1993848)
   Call: (187) [system] get_char((0x558d99e6bec0), _1994778)
   Exit: (187) [system] get_char((0x558d99e6bec0), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Fail: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
   Fail: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _2000348)
   Call: (188) [system] get_char((0x558d99e6bec0), _2001278)
   Exit: (188) [system] get_char((0x558d99e6bec0), t)
   Call: (188) [system] char_type(t, end_of_line)
   Fail: (188) [system] char_type(t, end_of_line)
   Call: (188) [system] t=end_of_file
   Fail: (188) [system] t=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _2006848)
   Call: (189) [system] get_char((0x558d99e6bec0), _2007778)
   Exit: (189) [system] get_char((0x558d99e6bec0), i)
   Call: (189) [system] char_type(i, end_of_line)
   Fail: (189) [system] char_type(i, end_of_line)
   Call: (189) [system] i=end_of_file
   Fail: (189) [system] i=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _2013348)
   Call: (190) [system] get_char((0x558d99e6bec0), _2014278)
   Exit: (190) [system] get_char((0x558d99e6bec0), m)
   Call: (190) [system] char_type(m, end_of_line)
   Fail: (190) [system] char_type(m, end_of_line)
   Call: (190) [system] m=end_of_file
   Fail: (190) [system] m=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _2019848)
   Call: (191) [system] get_char((0x558d99e6bec0), _2020778)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] char_type(e, end_of_line)
   Fail: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
   Fail: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _2026348)
   Call: (192) [system] get_char((0x558d99e6bec0), _2027278)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Fail: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
   Fail: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _2032848)
   Call: (193) [system] get_char((0x558d99e6bec0), _2033778)
   Exit: (193) [system] get_char((0x558d99e6bec0), m)
   Call: (193) [system] char_type(m, end_of_line)
   Fail: (193) [system] char_type(m, end_of_line)
   Call: (193) [system] m=end_of_file
   Fail: (193) [system] m=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _2039348)
   Call: (194) [system] get_char((0x558d99e6bec0), _2040278)
   Exit: (194) [system] get_char((0x558d99e6bec0), e)
   Call: (194) [system] char_type(e, end_of_line)
   Fail: (194) [system] char_type(e, end_of_line)
   Call: (194) [system] e=end_of_file
   Fail: (194) [system] e=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _2045848)
   Call: (195) [system] get_char((0x558d99e6bec0), _2046778)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] char_type(t, end_of_line)
   Fail: (195) [system] char_type(t, end_of_line)
   Call: (195) [system] t=end_of_file
   Fail: (195) [system] t=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _2052348)
   Call: (196) [system] get_char((0x558d99e6bec0), _2053278)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] char_type(t, end_of_line)
   Fail: (196) [system] char_type(t, end_of_line)
   Call: (196) [system] t=end_of_file
   Fail: (196) [system] t=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _2058848)
   Call: (197) [system] get_char((0x558d99e6bec0), _2059778)
   Exit: (197) [system] get_char((0x558d99e6bec0), a)
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] a=end_of_file
   Fail: (197) [system] a=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _2065348)
   Call: (198) [system] get_char((0x558d99e6bec0), _2066278)
   Exit: (198) [system] get_char((0x558d99e6bec0), l)
   Call: (198) [system] char_type(l, end_of_line)
   Fail: (198) [system] char_type(l, end_of_line)
   Call: (198) [system] l=end_of_file
   Fail: (198) [system] l=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _2071848)
   Call: (199) [system] get_char((0x558d99e6bec0), _2072778)
   Exit: (199) [system] get_char((0x558d99e6bec0), o)
   Call: (199) [system] char_type(o, end_of_line)
   Fail: (199) [system] char_type(o, end_of_line)
   Call: (199) [system] o=end_of_file
   Fail: (199) [system] o=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _2078348)
   Call: (200) [system] get_char((0x558d99e6bec0), _2079278)
   Exit: (200) [system] get_char((0x558d99e6bec0), g)
   Call: (200) [system] char_type(g, end_of_line)
   Fail: (200) [system] char_type(g, end_of_line)
   Call: (200) [system] g=end_of_file
   Fail: (200) [system] g=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _2084848)
   Call: (201) [system] get_char((0x558d99e6bec0), _2085778)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _2091348)
   Call: (202) [system] get_char((0x558d99e6bec0), _2092278)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] char_type(t, end_of_line)
   Fail: (202) [system] char_type(t, end_of_line)
   Call: (202) [system] t=end_of_file
   Fail: (202) [system] t=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _4332)
   Call: (203) [system] get_char((0x558d99e6bec0), _5262)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] char_type(e, end_of_line)
   Fail: (203) [system] char_type(e, end_of_line)
   Call: (203) [system] e=end_of_file
   Fail: (203) [system] e=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _10832)
   Call: (204) [system] get_char((0x558d99e6bec0), _11762)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] char_type(s, end_of_line)
   Fail: (204) [system] char_type(s, end_of_line)
   Call: (204) [system] s=end_of_file
   Fail: (204) [system] s=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _17332)
   Call: (205) [system] get_char((0x558d99e6bec0), _18262)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] char_type(t, end_of_line)
   Fail: (205) [system] char_type(t, end_of_line)
   Call: (205) [system] t=end_of_file
   Fail: (205) [system] t=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _23832)
   Call: (206) [system] get_char((0x558d99e6bec0), _24762)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] char_type(s, end_of_line)
   Fail: (206) [system] char_type(s, end_of_line)
   Call: (206) [system] s=end_of_file
   Fail: (206) [system] s=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _30332)
   Call: (207) [system] get_char((0x558d99e6bec0), _31262)
   Exit: (207) [system] get_char((0x558d99e6bec0), /)
   Call: (207) [system] char_type(/, end_of_line)
   Fail: (207) [system] char_type(/, end_of_line)
   Call: (207) [system] (/)=end_of_file
   Fail: (207) [system] (/)=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _36832)
   Call: (208) [system] get_char((0x558d99e6bec0), _37762)
   Exit: (208) [system] get_char((0x558d99e6bec0), b)
   Call: (208) [system] char_type(b, end_of_line)
   Fail: (208) [system] char_type(b, end_of_line)
   Call: (208) [system] b=end_of_file
   Fail: (208) [system] b=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _43332)
   Call: (209) [system] get_char((0x558d99e6bec0), _44262)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _49832)
   Call: (210) [system] get_char((0x558d99e6bec0), _50762)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] char_type(s, end_of_line)
   Fail: (210) [system] char_type(s, end_of_line)
   Call: (210) [system] s=end_of_file
   Fail: (210) [system] s=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _56332)
   Call: (211) [system] get_char((0x558d99e6bec0), _57262)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] char_type(e, end_of_line)
   Fail: (211) [system] char_type(e, end_of_line)
   Call: (211) [system] e=end_of_file
   Fail: (211) [system] e=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _62832)
   Call: (212) [system] get_char((0x558d99e6bec0), _63762)
   Exit: (212) [system] get_char((0x558d99e6bec0), l)
   Call: (212) [system] char_type(l, end_of_line)
   Fail: (212) [system] char_type(l, end_of_line)
   Call: (212) [system] l=end_of_file
   Fail: (212) [system] l=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _69332)
   Call: (213) [system] get_char((0x558d99e6bec0), _70262)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] char_type(i, end_of_line)
   Fail: (213) [system] char_type(i, end_of_line)
   Call: (213) [system] i=end_of_file
   Fail: (213) [system] i=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _75832)
   Call: (214) [system] get_char((0x558d99e6bec0), _76762)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] char_type(n, end_of_line)
   Fail: (214) [system] char_type(n, end_of_line)
   Call: (214) [system] n=end_of_file
   Fail: (214) [system] n=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _82332)
   Call: (215) [system] get_char((0x558d99e6bec0), _83262)
   Exit: (215) [system] get_char((0x558d99e6bec0), e)
   Call: (215) [system] char_type(e, end_of_line)
   Fail: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
   Fail: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _88832)
   Call: (216) [system] get_char((0x558d99e6bec0), _89762)
   Exit: (216) [system] get_char((0x558d99e6bec0), '_')
   Call: (216) [system] char_type('_', end_of_line)
   Fail: (216) [system] char_type('_', end_of_line)
   Call: (216) [system] '_'=end_of_file
   Fail: (216) [system] '_'=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _95332)
   Call: (217) [system] get_char((0x558d99e6bec0), _96262)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _101832)
   Call: (218) [system] get_char((0x558d99e6bec0), _102762)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] char_type(o, end_of_line)
   Fail: (218) [system] char_type(o, end_of_line)
   Call: (218) [system] o=end_of_file
   Fail: (218) [system] o=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _108332)
   Call: (219) [system] get_char((0x558d99e6bec0), _109262)
   Exit: (219) [system] get_char((0x558d99e6bec0), m)
   Call: (219) [system] char_type(m, end_of_line)
   Fail: (219) [system] char_type(m, end_of_line)
   Call: (219) [system] m=end_of_file
   Fail: (219) [system] m=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _114832)
   Call: (220) [system] get_char((0x558d99e6bec0), _115762)
   Exit: (220) [system] get_char((0x558d99e6bec0), p)
   Call: (220) [system] char_type(p, end_of_line)
   Fail: (220) [system] char_type(p, end_of_line)
   Call: (220) [system] p=end_of_file
   Fail: (220) [system] p=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _121332)
   Call: (221) [system] get_char((0x558d99e6bec0), _122262)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _127832)
   Call: (222) [system] get_char((0x558d99e6bec0), _128762)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] char_type(t, end_of_line)
   Fail: (222) [system] char_type(t, end_of_line)
   Call: (222) [system] t=end_of_file
   Fail: (222) [system] t=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _134332)
   Call: (223) [system] get_char((0x558d99e6bec0), _135262)
   Exit: (223) [system] get_char((0x558d99e6bec0), /)
   Call: (223) [system] char_type(/, end_of_line)
   Fail: (223) [system] char_type(/, end_of_line)
   Call: (223) [system] (/)=end_of_file
   Fail: (223) [system] (/)=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _140832)
   Call: (224) [system] get_char((0x558d99e6bec0), _141762)
   Exit: (224) [system] get_char((0x558d99e6bec0), h)
   Call: (224) [system] char_type(h, end_of_line)
   Fail: (224) [system] char_type(h, end_of_line)
   Call: (224) [system] h=end_of_file
   Fail: (224) [system] h=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _147332)
   Call: (225) [system] get_char((0x558d99e6bec0), _148262)
   Exit: (225) [system] get_char((0x558d99e6bec0), y)
   Call: (225) [system] char_type(y, end_of_line)
   Fail: (225) [system] char_type(y, end_of_line)
   Call: (225) [system] y=end_of_file
   Fail: (225) [system] y=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _153832)
   Call: (226) [system] get_char((0x558d99e6bec0), _154762)
   Exit: (226) [system] get_char((0x558d99e6bec0), p)
   Call: (226) [system] char_type(p, end_of_line)
   Fail: (226) [system] char_type(p, end_of_line)
   Call: (226) [system] p=end_of_file
   Fail: (226) [system] p=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _160332)
   Call: (227) [system] get_char((0x558d99e6bec0), _161262)
   Exit: (227) [system] get_char((0x558d99e6bec0), e)
   Call: (227) [system] char_type(e, end_of_line)
   Fail: (227) [system] char_type(e, end_of_line)
   Call: (227) [system] e=end_of_file
   Fail: (227) [system] e=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _166832)
   Call: (228) [system] get_char((0x558d99e6bec0), _167762)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] char_type(r, end_of_line)
   Fail: (228) [system] char_type(r, end_of_line)
   Call: (228) [system] r=end_of_file
   Fail: (228) [system] r=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _173332)
   Call: (229) [system] get_char((0x558d99e6bec0), _174262)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] char_type(o, end_of_line)
   Fail: (229) [system] char_type(o, end_of_line)
   Call: (229) [system] o=end_of_file
   Fail: (229) [system] o=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _179832)
   Call: (230) [system] get_char((0x558d99e6bec0), _180762)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] char_type(n, end_of_line)
   Fail: (230) [system] char_type(n, end_of_line)
   Call: (230) [system] n=end_of_file
   Fail: (230) [system] n=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _186332)
   Call: (231) [system] get_char((0x558d99e6bec0), _187262)
   Exit: (231) [system] get_char((0x558d99e6bec0), -)
   Call: (231) [system] char_type(-, end_of_line)
   Fail: (231) [system] char_type(-, end_of_line)
   Call: (231) [system] (-)=end_of_file
   Fail: (231) [system] (-)=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _192832)
   Call: (232) [system] get_char((0x558d99e6bec0), _193762)
   Exit: (232) [system] get_char((0x558d99e6bec0), m)
   Call: (232) [system] char_type(m, end_of_line)
   Fail: (232) [system] char_type(m, end_of_line)
   Call: (232) [system] m=end_of_file
   Fail: (232) [system] m=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _199332)
   Call: (233) [system] get_char((0x558d99e6bec0), _200262)
   Exit: (233) [system] get_char((0x558d99e6bec0), e)
   Call: (233) [system] char_type(e, end_of_line)
   Fail: (233) [system] char_type(e, end_of_line)
   Call: (233) [system] e=end_of_file
   Fail: (233) [system] e=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _205832)
   Call: (234) [system] get_char((0x558d99e6bec0), _206762)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] char_type(t, end_of_line)
   Fail: (234) [system] char_type(t, end_of_line)
   Call: (234) [system] t=end_of_file
   Fail: (234) [system] t=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _212332)
   Call: (235) [system] get_char((0x558d99e6bec0), _213262)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] char_type(t, end_of_line)
   Fail: (235) [system] char_type(t, end_of_line)
   Call: (235) [system] t=end_of_file
   Fail: (235) [system] t=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _218832)
   Call: (236) [system] get_char((0x558d99e6bec0), _219762)
   Exit: (236) [system] get_char((0x558d99e6bec0), a)
   Call: (236) [system] char_type(a, end_of_line)
   Fail: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] a=end_of_file
   Fail: (236) [system] a=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _225332)
   Call: (237) [system] get_char((0x558d99e6bec0), _226262)
   Exit: (237) [system] get_char((0x558d99e6bec0), l)
   Call: (237) [system] char_type(l, end_of_line)
   Fail: (237) [system] char_type(l, end_of_line)
   Call: (237) [system] l=end_of_file
   Fail: (237) [system] l=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _231832)
   Call: (238) [system] get_char((0x558d99e6bec0), _232762)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] char_type(o, end_of_line)
   Fail: (238) [system] char_type(o, end_of_line)
   Call: (238) [system] o=end_of_file
   Fail: (238) [system] o=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _238332)
   Call: (239) [system] get_char((0x558d99e6bec0), _239262)
   Exit: (239) [system] get_char((0x558d99e6bec0), g)
   Call: (239) [system] char_type(g, end_of_line)
   Fail: (239) [system] char_type(g, end_of_line)
   Call: (239) [system] g=end_of_file
   Fail: (239) [system] g=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _244832)
   Call: (240) [system] get_char((0x558d99e6bec0), _245762)
   Exit: (240) [system] get_char((0x558d99e6bec0), '_')
   Call: (240) [system] char_type('_', end_of_line)
   Fail: (240) [system] char_type('_', end_of_line)
   Call: (240) [system] '_'=end_of_file
   Fail: (240) [system] '_'=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _251332)
   Call: (241) [system] get_char((0x558d99e6bec0), _252262)
   Exit: (241) [system] get_char((0x558d99e6bec0), s)
   Call: (241) [system] char_type(s, end_of_line)
   Fail: (241) [system] char_type(s, end_of_line)
   Call: (241) [system] s=end_of_file
   Fail: (241) [system] s=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _257832)
   Call: (242) [system] get_char((0x558d99e6bec0), _258762)
   Exit: (242) [system] get_char((0x558d99e6bec0), a)
   Call: (242) [system] char_type(a, end_of_line)
   Fail: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] a=end_of_file
   Fail: (242) [system] a=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _264332)
   Call: (243) [system] get_char((0x558d99e6bec0), _265262)
   Exit: (243) [system] get_char((0x558d99e6bec0), n)
   Call: (243) [system] char_type(n, end_of_line)
   Fail: (243) [system] char_type(n, end_of_line)
   Call: (243) [system] n=end_of_file
   Fail: (243) [system] n=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _270832)
   Call: (244) [system] get_char((0x558d99e6bec0), _271762)
   Exit: (244) [system] get_char((0x558d99e6bec0), i)
   Call: (244) [system] char_type(i, end_of_line)
   Fail: (244) [system] char_type(i, end_of_line)
   Call: (244) [system] i=end_of_file
   Fail: (244) [system] i=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _277332)
   Call: (245) [system] get_char((0x558d99e6bec0), _278262)
   Exit: (245) [system] get_char((0x558d99e6bec0), t)
   Call: (245) [system] char_type(t, end_of_line)
   Fail: (245) [system] char_type(t, end_of_line)
   Call: (245) [system] t=end_of_file
   Fail: (245) [system] t=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _283832)
   Call: (246) [system] get_char((0x558d99e6bec0), _284762)
   Exit: (246) [system] get_char((0x558d99e6bec0), y)
   Call: (246) [system] char_type(y, end_of_line)
   Fail: (246) [system] char_type(y, end_of_line)
   Call: (246) [system] y=end_of_file
   Fail: (246) [system] y=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _290332)
   Call: (247) [system] get_char((0x558d99e6bec0), _291262)
   Exit: (247) [system] get_char((0x558d99e6bec0), /)
   Call: (247) [system] char_type(/, end_of_line)
   Fail: (247) [system] char_type(/, end_of_line)
   Call: (247) [system] (/)=end_of_file
   Fail: (247) [system] (/)=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _296832)
   Call: (248) [system] get_char((0x558d99e6bec0), _297762)
   Exit: (248) [system] get_char((0x558d99e6bec0), t)
   Call: (248) [system] char_type(t, end_of_line)
   Fail: (248) [system] char_type(t, end_of_line)
   Call: (248) [system] t=end_of_file
   Fail: (248) [system] t=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _303332)
   Call: (249) [system] get_char((0x558d99e6bec0), _304262)
   Exit: (249) [system] get_char((0x558d99e6bec0), i)
   Call: (249) [system] char_type(i, end_of_line)
   Fail: (249) [system] char_type(i, end_of_line)
   Call: (249) [system] i=end_of_file
   Fail: (249) [system] i=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _309832)
   Call: (250) [system] get_char((0x558d99e6bec0), _310762)
   Exit: (250) [system] get_char((0x558d99e6bec0), m)
   Call: (250) [system] char_type(m, end_of_line)
   Fail: (250) [system] char_type(m, end_of_line)
   Call: (250) [system] m=end_of_file
   Fail: (250) [system] m=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _316332)
   Call: (251) [system] get_char((0x558d99e6bec0), _317262)
   Exit: (251) [system] get_char((0x558d99e6bec0), e)
   Call: (251) [system] char_type(e, end_of_line)
   Fail: (251) [system] char_type(e, end_of_line)
   Call: (251) [system] e=end_of_file
   Fail: (251) [system] e=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _322832)
   Call: (252) [system] get_char((0x558d99e6bec0), _323762)
   Exit: (252) [system] get_char((0x558d99e6bec0), '_')
   Call: (252) [system] char_type('_', end_of_line)
   Fail: (252) [system] char_type('_', end_of_line)
   Call: (252) [system] '_'=end_of_file
   Fail: (252) [system] '_'=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _329332)
   Call: (253) [system] get_char((0x558d99e6bec0), _330262)
   Exit: (253) [system] get_char((0x558d99e6bec0), s)
   Call: (253) [system] char_type(s, end_of_line)
   Fail: (253) [system] char_type(s, end_of_line)
   Call: (253) [system] s=end_of_file
   Fail: (253) [system] s=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _335832)
   Call: (254) [system] get_char((0x558d99e6bec0), _336762)
   Exit: (254) [system] get_char((0x558d99e6bec0), y)
   Call: (254) [system] char_type(y, end_of_line)
   Fail: (254) [system] char_type(y, end_of_line)
   Call: (254) [system] y=end_of_file
   Fail: (254) [system] y=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _342332)
   Call: (255) [system] get_char((0x558d99e6bec0), _343262)
   Exit: (255) [system] get_char((0x558d99e6bec0), n)
   Call: (255) [system] char_type(n, end_of_line)
   Fail: (255) [system] char_type(n, end_of_line)
   Call: (255) [system] n=end_of_file
   Fail: (255) [system] n=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _348832)
   Call: (256) [system] get_char((0x558d99e6bec0), _349762)
   Exit: (256) [system] get_char((0x558d99e6bec0), t)
   Call: (256) [system] char_type(t, end_of_line)
   Fail: (256) [system] char_type(t, end_of_line)
   Call: (256) [system] t=end_of_file
   Fail: (256) [system] t=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _355332)
   Call: (257) [system] get_char((0x558d99e6bec0), _356262)
   Exit: (257) [system] get_char((0x558d99e6bec0), h)
   Call: (257) [system] char_type(h, end_of_line)
   Fail: (257) [system] char_type(h, end_of_line)
   Call: (257) [system] h=end_of_file
   Fail: (257) [system] h=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _361832)
   Call: (258) [system] get_char((0x558d99e6bec0), _362762)
   Exit: (258) [system] get_char((0x558d99e6bec0), e)
   Call: (258) [system] char_type(e, end_of_line)
   Fail: (258) [system] char_type(e, end_of_line)
   Call: (258) [system] e=end_of_file
   Fail: (258) [system] e=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _368332)
   Call: (259) [system] get_char((0x558d99e6bec0), _369262)
   Exit: (259) [system] get_char((0x558d99e6bec0), s)
   Call: (259) [system] char_type(s, end_of_line)
   Fail: (259) [system] char_type(s, end_of_line)
   Call: (259) [system] s=end_of_file
   Fail: (259) [system] s=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _374832)
   Call: (260) [system] get_char((0x558d99e6bec0), _375762)
   Exit: (260) [system] get_char((0x558d99e6bec0), i)
   Call: (260) [system] char_type(i, end_of_line)
   Fail: (260) [system] char_type(i, end_of_line)
   Call: (260) [system] i=end_of_file
   Fail: (260) [system] i=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _381332)
   Call: (261) [system] get_char((0x558d99e6bec0), _382262)
   Exit: (261) [system] get_char((0x558d99e6bec0), z)
   Call: (261) [system] char_type(z, end_of_line)
   Fail: (261) [system] char_type(z, end_of_line)
   Call: (261) [system] z=end_of_file
   Fail: (261) [system] z=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _387832)
   Call: (262) [system] get_char((0x558d99e6bec0), _388762)
   Exit: (262) [system] get_char((0x558d99e6bec0), e)
   Call: (262) [system] char_type(e, end_of_line)
   Fail: (262) [system] char_type(e, end_of_line)
   Call: (262) [system] e=end_of_file
   Fail: (262) [system] e=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _394332)
   Call: (263) [system] get_char((0x558d99e6bec0), _395262)
   Exit: (263) [system] get_char((0x558d99e6bec0), '_')
   Call: (263) [system] char_type('_', end_of_line)
   Fail: (263) [system] char_type('_', end_of_line)
   Call: (263) [system] '_'=end_of_file
   Fail: (263) [system] '_'=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _400832)
   Call: (264) [system] get_char((0x558d99e6bec0), _401762)
   Exit: (264) [system] get_char((0x558d99e6bec0), l)
   Call: (264) [system] char_type(l, end_of_line)
   Fail: (264) [system] char_type(l, end_of_line)
   Call: (264) [system] l=end_of_file
   Fail: (264) [system] l=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _407332)
   Call: (265) [system] get_char((0x558d99e6bec0), _408262)
   Exit: (265) [system] get_char((0x558d99e6bec0), o)
   Call: (265) [system] char_type(o, end_of_line)
   Fail: (265) [system] char_type(o, end_of_line)
   Call: (265) [system] o=end_of_file
   Fail: (265) [system] o=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _413832)
   Call: (266) [system] get_char((0x558d99e6bec0), _414762)
   Exit: (266) [system] get_char((0x558d99e6bec0), n)
   Call: (266) [system] char_type(n, end_of_line)
   Fail: (266) [system] char_type(n, end_of_line)
   Call: (266) [system] n=end_of_file
   Fail: (266) [system] n=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _420332)
   Call: (267) [system] get_char((0x558d99e6bec0), _421262)
   Exit: (267) [system] get_char((0x558d99e6bec0), g)
   Call: (267) [system] char_type(g, end_of_line)
   Fail: (267) [system] char_type(g, end_of_line)
   Call: (267) [system] g=end_of_file
   Fail: (267) [system] g=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _426832)
   Call: (268) [system] get_char((0x558d99e6bec0), _427762)
   Exit: (268) [system] get_char((0x558d99e6bec0), '.')
   Call: (268) [system] char_type('.', end_of_line)
   Fail: (268) [system] char_type('.', end_of_line)
   Call: (268) [system] ('.')=end_of_file
   Fail: (268) [system] ('.')=end_of_file
^  Call: (268) [user] read_until_eol((0x558d99e6bec0), _433332)
   Call: (269) [system] get_char((0x558d99e6bec0), _434262)
   Exit: (269) [system] get_char((0x558d99e6bec0), m)
   Call: (269) [system] char_type(m, end_of_line)
   Fail: (269) [system] char_type(m, end_of_line)
   Call: (269) [system] m=end_of_file
   Fail: (269) [system] m=end_of_file
^  Call: (269) [user] read_until_eol((0x558d99e6bec0), _439832)
   Call: (270) [system] get_char((0x558d99e6bec0), _440762)
   Exit: (270) [system] get_char((0x558d99e6bec0), e)
   Call: (270) [system] char_type(e, end_of_line)
   Fail: (270) [system] char_type(e, end_of_line)
   Call: (270) [system] e=end_of_file
   Fail: (270) [system] e=end_of_file
^  Call: (270) [user] read_until_eol((0x558d99e6bec0), _446332)
   Call: (271) [system] get_char((0x558d99e6bec0), _447262)
   Exit: (271) [system] get_char((0x558d99e6bec0), t)
   Call: (271) [system] char_type(t, end_of_line)
   Fail: (271) [system] char_type(t, end_of_line)
   Call: (271) [system] t=end_of_file
   Fail: (271) [system] t=end_of_file
^  Call: (271) [user] read_until_eol((0x558d99e6bec0), _452832)
   Call: (272) [system] get_char((0x558d99e6bec0), _453762)
   Exit: (272) [system] get_char((0x558d99e6bec0), t)
   Call: (272) [system] char_type(t, end_of_line)
   Fail: (272) [system] char_type(t, end_of_line)
   Call: (272) [system] t=end_of_file
   Fail: (272) [system] t=end_of_file
^  Call: (272) [user] read_until_eol((0x558d99e6bec0), _459332)
   Call: (273) [system] get_char((0x558d99e6bec0), _460262)
   Exit: (273) [system] get_char((0x558d99e6bec0), a)
   Call: (273) [system] char_type(a, end_of_line)
   Fail: (273) [system] char_type(a, end_of_line)
   Call: (273) [system] a=end_of_file
   Fail: (273) [system] a=end_of_file
^  Call: (273) [user] read_until_eol((0x558d99e6bec0), _465832)
   Call: (274) [system] get_char((0x558d99e6bec0), _466762)
   Exit: (274) [system] get_char((0x558d99e6bec0), '\n')
   Call: (274) [system] char_type('\n', end_of_line)
   Exit: (274) [system] char_type('\n', end_of_line)
   Call: (274) [system] _465832=""
   Exit: (274) [system] ""=""
^  Exit: (273) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (273) [system] string_concat(a, "", _459332)
   Exit: (273) [system] string_concat(a, "", "a")
^  Exit: (272) [user] read_until_eol((0x558d99e6bec0), "a")
   Call: (272) [system] string_concat(t, "a", _452832)
   Exit: (272) [system] string_concat(t, "a", "ta")
^  Exit: (271) [user] read_until_eol((0x558d99e6bec0), "ta")
   Call: (271) [system] string_concat(t, "ta", _446332)
   Exit: (271) [system] string_concat(t, "ta", "tta")
^  Exit: (270) [user] read_until_eol((0x558d99e6bec0), "tta")
   Call: (270) [system] string_concat(e, "tta", _439832)
   Exit: (270) [system] string_concat(e, "tta", "etta")
^  Exit: (269) [user] read_until_eol((0x558d99e6bec0), "etta")
   Call: (269) [system] string_concat(m, "etta", _433332)
   Exit: (269) [system] string_concat(m, "etta", "metta")
^  Exit: (268) [user] read_until_eol((0x558d99e6bec0), "metta")
   Call: (268) [system] string_concat('.', "metta", _426832)
   Exit: (268) [system] string_concat('.', "metta", ".metta")
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), ".metta")
   Call: (267) [system] string_concat(g, ".metta", _420332)
   Exit: (267) [system] string_concat(g, ".metta", "g.metta")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), "g.metta")
   Call: (266) [system] string_concat(n, "g.metta", _413832)
   Exit: (266) [system] string_concat(n, "g.metta", "ng.metta")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "ng.metta")
   Call: (265) [system] string_concat(o, "ng.metta", _407332)
   Exit: (265) [system] string_concat(o, "ng.metta", "ong.metta")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), "ong.metta")
   Call: (264) [system] string_concat(l, "ong.metta", _400832)
   Exit: (264) [system] string_concat(l, "ong.metta", "long.metta")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "long.metta")
   Call: (263) [system] string_concat('_', "long.metta", _394332)
   Exit: (263) [system] string_concat('_', "long.metta", "_long.metta")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "_long.metta")
   Call: (262) [system] string_concat(e, "_long.metta", _387832)
   Exit: (262) [system] string_concat(e, "_long.metta", "e_long.metta")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "e_long.metta")
   Call: (261) [system] string_concat(z, "e_long.metta", _381332)
   Exit: (261) [system] string_concat(z, "e_long.metta", "ze_long.metta")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "ze_long.metta")
   Call: (260) [system] string_concat(i, "ze_long.metta", _374832)
   Exit: (260) [system] string_concat(i, "ze_long.metta", "ize_long.metta")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "ize_long.metta")
   Call: (259) [system] string_concat(s, "ize_long.metta", _368332)
   Exit: (259) [system] string_concat(s, "ize_long.metta", "size_long.metta")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "size_long.metta")
   Call: (258) [system] string_concat(e, "size_long.metta", _361832)
   Exit: (258) [system] string_concat(e, "size_long.metta", "esize_long.metta")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "esize_long.metta")
   Call: (257) [system] string_concat(h, "esize_long.metta", _355332)
   Exit: (257) [system] string_concat(h, "esize_long.metta", "hesize_long.metta")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "hesize_long.metta")
   Call: (256) [system] string_concat(t, "hesize_long.metta", _348832)
   Exit: (256) [system] string_concat(t, "hesize_long.metta", "thesize_long.metta")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "thesize_long.metta")
   Call: (255) [system] string_concat(n, "thesize_long.metta", _342332)
   Exit: (255) [system] string_concat(n, "thesize_long.metta", "nthesize_long.metta")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "nthesize_long.metta")
   Call: (254) [system] string_concat(y, "nthesize_long.metta", _335832)
   Exit: (254) [system] string_concat(y, "nthesize_long.metta", "ynthesize_long.metta")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "ynthesize_long.metta")
   Call: (253) [system] string_concat(s, "ynthesize_long.metta", _329332)
   Exit: (253) [system] string_concat(s, "ynthesize_long.metta", "synthesize_long.metta")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "synthesize_long.metta")
   Call: (252) [system] string_concat('_', "synthesize_long.metta", _322832)
   Exit: (252) [system] string_concat('_', "synthesize_long.metta", "_synthesize_long.metta")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "_synthesize_long.metta")
   Call: (251) [system] string_concat(e, "_synthesize_long.metta", _316332)
   Exit: (251) [system] string_concat(e, "_synthesize_long.metta", "e_synthesize_long.metta")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "e_synthesize_long.metta")
   Call: (250) [system] string_concat(m, "e_synthesize_long.metta", _309832)
   Exit: (250) [system] string_concat(m, "e_synthesize_long.metta", "me_synthesize_long.metta")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "me_synthesize_long.metta")
   Call: (249) [system] string_concat(i, "me_synthesize_long.metta", _303332)
   Exit: (249) [system] string_concat(i, "me_synthesize_long.metta", "ime_synthesize_long.metta")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "ime_synthesize_long.metta")
   Call: (248) [system] string_concat(t, "ime_synthesize_long.metta", _296832)
   Exit: (248) [system] string_concat(t, "ime_synthesize_long.metta", "time_synthesize_long.metta")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "time_synthesize_long.metta")
   Call: (247) [system] string_concat(/, "time_synthesize_long.metta", _290332)
   Exit: (247) [system] string_concat(/, "time_synthesize_long.metta", "/time_synthesize_long.metta")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "/time_synthesize_long.metta")
   Call: (246) [system] string_concat(y, "/time_synthesize_long.metta", _283832)
   Exit: (246) [system] string_concat(y, "/time_synthesize_long.metta", "y/time_synthesize_long.metta")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "y/time_synthesize_long.metta")
   Call: (245) [system] string_concat(t, "y/time_synthesize_long.metta", _277332)
   Exit: (245) [system] string_concat(t, "y/time_synthesize_long.metta", "ty/time_synthesize_long.metta")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "ty/time_synthesize_long.metta")
   Call: (244) [system] string_concat(i, "ty/time_synthesize_long.metta", _270832)
   Exit: (244) [system] string_concat(i, "ty/time_synthesize_long.metta", "ity/time_synthesize_long.metta")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "ity/time_synthesize_long.metta")
   Call: (243) [system] string_concat(n, "ity/time_synthesize_long.metta", _264332)
   Exit: (243) [system] string_concat(n, "ity/time_synthesize_long.metta", "nity/time_synthesize_long.metta")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "nity/time_synthesize_long.metta")
   Call: (242) [system] string_concat(a, "nity/time_synthesize_long.metta", _257832)
   Exit: (242) [system] string_concat(a, "nity/time_synthesize_long.metta", "anity/time_synthesize_long.metta")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "anity/time_synthesize_long.metta")
   Call: (241) [system] string_concat(s, "anity/time_synthesize_long.metta", _251332)
   Exit: (241) [system] string_concat(s, "anity/time_synthesize_long.metta", "sanity/time_synthesize_long.metta")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "sanity/time_synthesize_long.metta")
   Call: (240) [system] string_concat('_', "sanity/time_synthesize_long.metta", _244832)
   Exit: (240) [system] string_concat('_', "sanity/time_synthesize_long.metta", "_sanity/time_synthesize_long.metta")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "_sanity/time_synthesize_long.metta")
   Call: (239) [system] string_concat(g, "_sanity/time_synthesize_long.metta", _238332)
   Exit: (239) [system] string_concat(g, "_sanity/time_synthesize_long.metta", "g_sanity/time_synthesize_long.metta")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "g_sanity/time_synthesize_long.metta")
   Call: (238) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", _231832)
   Exit: (238) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", "og_sanity/time_synthesize_long.metta")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "og_sanity/time_synthesize_long.metta")
   Call: (237) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", _225332)
   Exit: (237) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", "log_sanity/time_synthesize_long.metta")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "log_sanity/time_synthesize_long.metta")
   Call: (236) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", _218832)
   Exit: (236) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", "alog_sanity/time_synthesize_long.metta")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "alog_sanity/time_synthesize_long.metta")
   Call: (235) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", _212332)
   Exit: (235) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", "talog_sanity/time_synthesize_long.metta")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "talog_sanity/time_synthesize_long.metta")
   Call: (234) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", _205832)
   Exit: (234) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", "ttalog_sanity/time_synthesize_long.metta")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "ttalog_sanity/time_synthesize_long.metta")
   Call: (233) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", _199332)
   Exit: (233) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", "ettalog_sanity/time_synthesize_long.metta")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "ettalog_sanity/time_synthesize_long.metta")
   Call: (232) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", _192832)
   Exit: (232) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", "mettalog_sanity/time_synthesize_long.metta")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "mettalog_sanity/time_synthesize_long.metta")
   Call: (231) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", _186332)
   Exit: (231) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", "-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "-mettalog_sanity/time_synthesize_long.metta")
   Call: (230) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", _179832)
   Exit: (230) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", "n-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "n-mettalog_sanity/time_synthesize_long.metta")
   Call: (229) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", _173332)
   Exit: (229) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", "on-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "on-mettalog_sanity/time_synthesize_long.metta")
   Call: (228) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", _166832)
   Exit: (228) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", "ron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "ron-mettalog_sanity/time_synthesize_long.metta")
   Call: (227) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", _160332)
   Exit: (227) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", "eron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "eron-mettalog_sanity/time_synthesize_long.metta")
   Call: (226) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", _153832)
   Exit: (226) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", "peron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "peron-mettalog_sanity/time_synthesize_long.metta")
   Call: (225) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", _147332)
   Exit: (225) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", "yperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "yperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (224) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", _140832)
   Exit: (224) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", "hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (223) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", _134332)
   Exit: (223) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", "/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (222) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", _127832)
   Exit: (222) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (221) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", _121332)
   Exit: (221) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (220) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", _114832)
   Exit: (220) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (219) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", _108332)
   Exit: (219) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (218) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", _101832)
   Exit: (218) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (217) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", _95332)
   Exit: (217) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (216) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _88832)
   Exit: (216) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (215) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _82332)
   Exit: (215) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (214) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _75832)
   Exit: (214) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (213) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _69332)
   Exit: (213) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (212) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _62832)
   Exit: (212) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (211) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _56332)
   Exit: (211) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (210) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _49832)
   Exit: (210) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (209) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _43332)
   Exit: (209) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (208) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _36832)
   Exit: (208) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (207) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _30332)
   Exit: (207) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (206) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _23832)
   Exit: (206) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (205) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _17332)
   Exit: (205) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (204) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _10832)
   Exit: (204) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (203) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _4332)
   Exit: (203) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (202) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3442)
   Exit: (202) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (201) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3438)
   Exit: (201) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (200) [system] string_concat(g, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3434)
   Exit: (200) [system] string_concat(g, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (199) [system] string_concat(o, "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3430)
   Exit: (199) [system] string_concat(o, "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (198) [system] string_concat(l, "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3426)
   Exit: (198) [system] string_concat(l, "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (197) [system] string_concat(a, "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3422)
   Exit: (197) [system] string_concat(a, "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (196) [system] string_concat(t, "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3418)
   Exit: (196) [system] string_concat(t, "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (195) [system] string_concat(t, "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3414)
   Exit: (195) [system] string_concat(t, "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (194) [system] string_concat(e, "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3410)
   Exit: (194) [system] string_concat(e, "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (193) [system] string_concat(m, "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3406)
   Exit: (193) [system] string_concat(m, "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (192) [system] string_concat(' ', "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3402)
   Exit: (192) [system] string_concat(' ', "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (191) [system] string_concat(e, " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3398)
   Exit: (191) [system] string_concat(e, " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (190) [system] string_concat(m, "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3394)
   Exit: (190) [system] string_concat(m, "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (189) [system] string_concat(i, "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3390)
   Exit: (189) [system] string_concat(i, "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (188) [system] string_concat(t, "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3386)
   Exit: (188) [system] string_concat(t, "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (187) [system] string_concat(;, "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3382)
   Exit: (187) [system] string_concat(;, "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (186) [system] string_concat(;, ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3378)
   Exit: (186) [system] string_concat(;, ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (184) [user] read_comment((0x558d99e6bec0))
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _724142)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_comment((0x558d99e6bec0))
^  Call: (186) [user] read_position((0x558d99e6bec0), _728780, _728782, _728784, _728786)
   Call: (187) [system] stream_property((0x558d99e6bec0), position(_728786))
   Call: (188) [system] nonvar((0x558d99e6bec0))
   Exit: (188) [system] nonvar((0x558d99e6bec0))
   Call: (188) [system] nonvar(position(_728786))
   Exit: (188) [system] nonvar(position(_728786))
   Exit: (187) [system] stream_property((0x558d99e6bec0), position('$stream_position'(233, 7, 0, 233)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), _728780)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _738074)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), _728780)
   Exit: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), 7)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), 7)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), _728782)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _745508)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), _728782)
   Exit: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), _728784)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _752942)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), _728784)
   Exit: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), 233)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), 233)
^  Exit: (186) [user] read_position((0x558d99e6bec0), 7, 0, 233, '$stream_position'(233, 7, 0, 233))
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _758536)
   Call: (187) [system] get_char((0x558d99e6bec0), _759466)
   Exit: (187) [system] get_char((0x558d99e6bec0), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Fail: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
   Fail: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _765036)
   Call: (188) [system] get_char((0x558d99e6bec0), _765966)
   Exit: (188) [system] get_char((0x558d99e6bec0), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Fail: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
   Fail: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _771536)
   Call: (189) [system] get_char((0x558d99e6bec0), _772466)
   Exit: (189) [system] get_char((0x558d99e6bec0), r)
   Call: (189) [system] char_type(r, end_of_line)
   Fail: (189) [system] char_type(r, end_of_line)
   Call: (189) [system] r=end_of_file
   Fail: (189) [system] r=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _778036)
   Call: (190) [system] get_char((0x558d99e6bec0), _778966)
   Exit: (190) [system] get_char((0x558d99e6bec0), e)
   Call: (190) [system] char_type(e, end_of_line)
   Fail: (190) [system] char_type(e, end_of_line)
   Call: (190) [system] e=end_of_file
   Fail: (190) [system] e=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _784536)
   Call: (191) [system] get_char((0x558d99e6bec0), _785466)
   Exit: (191) [system] get_char((0x558d99e6bec0), a)
   Call: (191) [system] char_type(a, end_of_line)
   Fail: (191) [system] char_type(a, end_of_line)
   Call: (191) [system] a=end_of_file
   Fail: (191) [system] a=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _791036)
   Call: (192) [system] get_char((0x558d99e6bec0), _791966)
   Exit: (192) [system] get_char((0x558d99e6bec0), l)
   Call: (192) [system] char_type(l, end_of_line)
   Fail: (192) [system] char_type(l, end_of_line)
   Call: (192) [system] l=end_of_file
   Fail: (192) [system] l=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _797536)
   Call: (193) [system] get_char((0x558d99e6bec0), _798466)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _804036)
   Call: (194) [system] get_char((0x558d99e6bec0), _804966)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Fail: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
   Fail: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _810536)
   Call: (195) [system] get_char((0x558d99e6bec0), _811466)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _817036)
   Call: (196) [system] get_char((0x558d99e6bec0), _817966)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Fail: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
   Fail: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _823536)
   Call: (197) [system] get_char((0x558d99e6bec0), _824466)
   Exit: (197) [system] get_char((0x558d99e6bec0), '1')
   Call: (197) [system] char_type('1', end_of_line)
   Fail: (197) [system] char_type('1', end_of_line)
   Call: (197) [system] '1'=end_of_file
   Fail: (197) [system] '1'=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _830036)
   Call: (198) [system] get_char((0x558d99e6bec0), _830966)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] char_type(m, end_of_line)
   Fail: (198) [system] char_type(m, end_of_line)
   Call: (198) [system] m=end_of_file
   Fail: (198) [system] m=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _836536)
   Call: (199) [system] get_char((0x558d99e6bec0), _837466)
   Exit: (199) [system] get_char((0x558d99e6bec0), '1')
   Call: (199) [system] char_type('1', end_of_line)
   Fail: (199) [system] char_type('1', end_of_line)
   Call: (199) [system] '1'=end_of_file
   Fail: (199) [system] '1'=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _843036)
   Call: (200) [system] get_char((0x558d99e6bec0), _843966)
   Exit: (200) [system] get_char((0x558d99e6bec0), '.')
   Call: (200) [system] char_type('.', end_of_line)
   Fail: (200) [system] char_type('.', end_of_line)
   Call: (200) [system] ('.')=end_of_file
   Fail: (200) [system] ('.')=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _849536)
   Call: (201) [system] get_char((0x558d99e6bec0), _850466)
   Exit: (201) [system] get_char((0x558d99e6bec0), '6')
   Call: (201) [system] char_type('6', end_of_line)
   Fail: (201) [system] char_type('6', end_of_line)
   Call: (201) [system] '6'=end_of_file
   Fail: (201) [system] '6'=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _856036)
   Call: (202) [system] get_char((0x558d99e6bec0), _856966)
   Exit: (202) [system] get_char((0x558d99e6bec0), '6')
   Call: (202) [system] char_type('6', end_of_line)
   Fail: (202) [system] char_type('6', end_of_line)
   Call: (202) [system] '6'=end_of_file
   Fail: (202) [system] '6'=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _862536)
   Call: (203) [system] get_char((0x558d99e6bec0), _863466)
   Exit: (203) [system] get_char((0x558d99e6bec0), '7')
   Call: (203) [system] char_type('7', end_of_line)
   Fail: (203) [system] char_type('7', end_of_line)
   Call: (203) [system] '7'=end_of_file
   Fail: (203) [system] '7'=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _869036)
   Call: (204) [system] get_char((0x558d99e6bec0), _869966)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] char_type(s, end_of_line)
   Fail: (204) [system] char_type(s, end_of_line)
   Call: (204) [system] s=end_of_file
   Fail: (204) [system] s=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _875536)
   Call: (205) [system] get_char((0x558d99e6bec0), _876466)
   Exit: (205) [system] get_char((0x558d99e6bec0), '\n')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
   Call: (205) [system] _875536=""
   Exit: (205) [system] ""=""
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (204) [system] string_concat(s, "", _869036)
   Exit: (204) [system] string_concat(s, "", "s")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (203) [system] string_concat('7', "s", _862536)
   Exit: (203) [system] string_concat('7', "s", "7s")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "7s")
   Call: (202) [system] string_concat('6', "7s", _856036)
   Exit: (202) [system] string_concat('6', "7s", "67s")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "67s")
   Call: (201) [system] string_concat('6', "67s", _849536)
   Exit: (201) [system] string_concat('6', "67s", "667s")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "667s")
   Call: (200) [system] string_concat('.', "667s", _843036)
   Exit: (200) [system] string_concat('.', "667s", ".667s")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), ".667s")
   Call: (199) [system] string_concat('1', ".667s", _836536)
   Exit: (199) [system] string_concat('1', ".667s", "1.667s")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "1.667s")
   Call: (198) [system] string_concat(m, "1.667s", _830036)
   Exit: (198) [system] string_concat(m, "1.667s", "m1.667s")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "m1.667s")
   Call: (197) [system] string_concat('1', "m1.667s", _823536)
   Exit: (197) [system] string_concat('1', "m1.667s", "1m1.667s")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "1m1.667s")
   Call: (196) [system] string_concat(' ', "1m1.667s", _817036)
   Exit: (196) [system] string_concat(' ', "1m1.667s", " 1m1.667s")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), " 1m1.667s")
   Call: (195) [system] string_concat(' ', " 1m1.667s", _810536)
   Exit: (195) [system] string_concat(' ', " 1m1.667s", "  1m1.667s")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "  1m1.667s")
   Call: (194) [system] string_concat(' ', "  1m1.667s", _804036)
   Exit: (194) [system] string_concat(' ', "  1m1.667s", "   1m1.667s")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "   1m1.667s")
   Call: (193) [system] string_concat(' ', "   1m1.667s", _797536)
   Exit: (193) [system] string_concat(' ', "   1m1.667s", "    1m1.667s")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "    1m1.667s")
   Call: (192) [system] string_concat(l, "    1m1.667s", _791036)
   Exit: (192) [system] string_concat(l, "    1m1.667s", "l    1m1.667s")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "l    1m1.667s")
   Call: (191) [system] string_concat(a, "l    1m1.667s", _784536)
   Exit: (191) [system] string_concat(a, "l    1m1.667s", "al    1m1.667s")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "al    1m1.667s")
   Call: (190) [system] string_concat(e, "al    1m1.667s", _778036)
   Exit: (190) [system] string_concat(e, "al    1m1.667s", "eal    1m1.667s")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "eal    1m1.667s")
   Call: (189) [system] string_concat(r, "eal    1m1.667s", _771536)
   Exit: (189) [system] string_concat(r, "eal    1m1.667s", "real    1m1.667s")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "real    1m1.667s")
   Call: (188) [system] string_concat(;, "real    1m1.667s", _765036)
   Exit: (188) [system] string_concat(;, "real    1m1.667s", ";real    1m1.667s")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), ";real    1m1.667s")
   Call: (187) [system] string_concat(;, ";real    1m1.667s", _758536)
   Exit: (187) [system] string_concat(;, ";real    1m1.667s", ";;real    1m1.667s")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), ";;real    1m1.667s")
^  Call: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (185) [user] read_comment((0x558d99e6bec0))
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _937094)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_comment((0x558d99e6bec0))
^  Call: (187) [user] read_position((0x558d99e6bec0), _941732, _941734, _941736, _941738)
   Call: (188) [system] stream_property((0x558d99e6bec0), position(_941738))
   Call: (189) [system] nonvar((0x558d99e6bec0))
   Exit: (189) [system] nonvar((0x558d99e6bec0))
   Call: (189) [system] nonvar(position(_941738))
   Exit: (189) [system] nonvar(position(_941738))
   Exit: (188) [system] stream_property((0x558d99e6bec0), position('$stream_position'(252, 8, 0, 252)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), _941732)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _951026)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), _941732)
   Exit: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), 8)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), 8)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), _941734)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _958460)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), _941734)
   Exit: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), _941736)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _965894)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), _941736)
   Exit: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), 252)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), 252)
^  Exit: (187) [user] read_position((0x558d99e6bec0), 8, 0, 252, '$stream_position'(252, 8, 0, 252))
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _971488)
   Call: (188) [system] get_char((0x558d99e6bec0), _972418)
   Exit: (188) [system] get_char((0x558d99e6bec0), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Fail: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
   Fail: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _977988)
   Call: (189) [system] get_char((0x558d99e6bec0), _978918)
   Exit: (189) [system] get_char((0x558d99e6bec0), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Fail: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
   Fail: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _984488)
   Call: (190) [system] get_char((0x558d99e6bec0), _985418)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] char_type(u, end_of_line)
   Fail: (190) [system] char_type(u, end_of_line)
   Call: (190) [system] u=end_of_file
   Fail: (190) [system] u=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _990988)
   Call: (191) [system] get_char((0x558d99e6bec0), _991918)
   Exit: (191) [system] get_char((0x558d99e6bec0), s)
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] s=end_of_file
   Fail: (191) [system] s=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _997488)
   Call: (192) [system] get_char((0x558d99e6bec0), _998418)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] char_type(e, end_of_line)
   Fail: (192) [system] char_type(e, end_of_line)
   Call: (192) [system] e=end_of_file
   Fail: (192) [system] e=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1003988)
   Call: (193) [system] get_char((0x558d99e6bec0), _1004918)
   Exit: (193) [system] get_char((0x558d99e6bec0), r)
   Call: (193) [system] char_type(r, end_of_line)
   Fail: (193) [system] char_type(r, end_of_line)
   Call: (193) [system] r=end_of_file
   Fail: (193) [system] r=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1010488)
   Call: (194) [system] get_char((0x558d99e6bec0), _1011418)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Fail: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
   Fail: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1016988)
   Call: (195) [system] get_char((0x558d99e6bec0), _1017918)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1023488)
   Call: (196) [system] get_char((0x558d99e6bec0), _1024418)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Fail: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
   Fail: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1029988)
   Call: (197) [system] get_char((0x558d99e6bec0), _1030918)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1036488)
   Call: (198) [system] get_char((0x558d99e6bec0), _1037418)
   Exit: (198) [system] get_char((0x558d99e6bec0), '1')
   Call: (198) [system] char_type('1', end_of_line)
   Fail: (198) [system] char_type('1', end_of_line)
   Call: (198) [system] '1'=end_of_file
   Fail: (198) [system] '1'=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1042988)
   Call: (199) [system] get_char((0x558d99e6bec0), _1043918)
   Exit: (199) [system] get_char((0x558d99e6bec0), m)
   Call: (199) [system] char_type(m, end_of_line)
   Fail: (199) [system] char_type(m, end_of_line)
   Call: (199) [system] m=end_of_file
   Fail: (199) [system] m=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1049488)
   Call: (200) [system] get_char((0x558d99e6bec0), _1050418)
   Exit: (200) [system] get_char((0x558d99e6bec0), '1')
   Call: (200) [system] char_type('1', end_of_line)
   Fail: (200) [system] char_type('1', end_of_line)
   Call: (200) [system] '1'=end_of_file
   Fail: (200) [system] '1'=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1055988)
   Call: (201) [system] get_char((0x558d99e6bec0), _1056918)
   Exit: (201) [system] get_char((0x558d99e6bec0), '.')
   Call: (201) [system] char_type('.', end_of_line)
   Fail: (201) [system] char_type('.', end_of_line)
   Call: (201) [system] ('.')=end_of_file
   Fail: (201) [system] ('.')=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1062488)
   Call: (202) [system] get_char((0x558d99e6bec0), _1063418)
   Exit: (202) [system] get_char((0x558d99e6bec0), '6')
   Call: (202) [system] char_type('6', end_of_line)
   Fail: (202) [system] char_type('6', end_of_line)
   Call: (202) [system] '6'=end_of_file
   Fail: (202) [system] '6'=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1068988)
   Call: (203) [system] get_char((0x558d99e6bec0), _1069918)
   Exit: (203) [system] get_char((0x558d99e6bec0), '3')
   Call: (203) [system] char_type('3', end_of_line)
   Fail: (203) [system] char_type('3', end_of_line)
   Call: (203) [system] '3'=end_of_file
   Fail: (203) [system] '3'=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1075488)
   Call: (204) [system] get_char((0x558d99e6bec0), _1076418)
   Exit: (204) [system] get_char((0x558d99e6bec0), '5')
   Call: (204) [system] char_type('5', end_of_line)
   Fail: (204) [system] char_type('5', end_of_line)
   Call: (204) [system] '5'=end_of_file
   Fail: (204) [system] '5'=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1081988)
   Call: (205) [system] get_char((0x558d99e6bec0), _1082918)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] char_type(s, end_of_line)
   Fail: (205) [system] char_type(s, end_of_line)
   Call: (205) [system] s=end_of_file
   Fail: (205) [system] s=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1088488)
   Call: (206) [system] get_char((0x558d99e6bec0), _1089418)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\n')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
   Call: (206) [system] _1088488=""
   Exit: (206) [system] ""=""
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (205) [system] string_concat(s, "", _1081988)
   Exit: (205) [system] string_concat(s, "", "s")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (204) [system] string_concat('5', "s", _1075488)
   Exit: (204) [system] string_concat('5', "s", "5s")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "5s")
   Call: (203) [system] string_concat('3', "5s", _1068988)
   Exit: (203) [system] string_concat('3', "5s", "35s")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "35s")
   Call: (202) [system] string_concat('6', "35s", _1062488)
   Exit: (202) [system] string_concat('6', "35s", "635s")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "635s")
   Call: (201) [system] string_concat('.', "635s", _1055988)
   Exit: (201) [system] string_concat('.', "635s", ".635s")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), ".635s")
   Call: (200) [system] string_concat('1', ".635s", _1049488)
   Exit: (200) [system] string_concat('1', ".635s", "1.635s")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "1.635s")
   Call: (199) [system] string_concat(m, "1.635s", _1042988)
   Exit: (199) [system] string_concat(m, "1.635s", "m1.635s")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "m1.635s")
   Call: (198) [system] string_concat('1', "m1.635s", _1036488)
   Exit: (198) [system] string_concat('1', "m1.635s", "1m1.635s")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "1m1.635s")
   Call: (197) [system] string_concat(' ', "1m1.635s", _1029988)
   Exit: (197) [system] string_concat(' ', "1m1.635s", " 1m1.635s")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), " 1m1.635s")
   Call: (196) [system] string_concat(' ', " 1m1.635s", _1023488)
   Exit: (196) [system] string_concat(' ', " 1m1.635s", "  1m1.635s")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "  1m1.635s")
   Call: (195) [system] string_concat(' ', "  1m1.635s", _1016988)
   Exit: (195) [system] string_concat(' ', "  1m1.635s", "   1m1.635s")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "   1m1.635s")
   Call: (194) [system] string_concat(' ', "   1m1.635s", _1010488)
   Exit: (194) [system] string_concat(' ', "   1m1.635s", "    1m1.635s")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "    1m1.635s")
   Call: (193) [system] string_concat(r, "    1m1.635s", _1003988)
   Exit: (193) [system] string_concat(r, "    1m1.635s", "r    1m1.635s")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "r    1m1.635s")
   Call: (192) [system] string_concat(e, "r    1m1.635s", _997488)
   Exit: (192) [system] string_concat(e, "r    1m1.635s", "er    1m1.635s")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "er    1m1.635s")
   Call: (191) [system] string_concat(s, "er    1m1.635s", _990988)
   Exit: (191) [system] string_concat(s, "er    1m1.635s", "ser    1m1.635s")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "ser    1m1.635s")
   Call: (190) [system] string_concat(u, "ser    1m1.635s", _984488)
   Exit: (190) [system] string_concat(u, "ser    1m1.635s", "user    1m1.635s")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "user    1m1.635s")
   Call: (189) [system] string_concat(;, "user    1m1.635s", _977988)
   Exit: (189) [system] string_concat(;, "user    1m1.635s", ";user    1m1.635s")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), ";user    1m1.635s")
   Call: (188) [system] string_concat(;, ";user    1m1.635s", _971488)
   Exit: (188) [system] string_concat(;, ";user    1m1.635s", ";;user    1m1.635s")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), ";;user    1m1.635s")
^  Call: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (186) [user] read_comment((0x558d99e6bec0))
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1150046)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_comment((0x558d99e6bec0))
^  Call: (188) [user] read_position((0x558d99e6bec0), _1154684, _1154686, _1154688, _1154690)
   Call: (189) [system] stream_property((0x558d99e6bec0), position(_1154690))
   Call: (190) [system] nonvar((0x558d99e6bec0))
   Exit: (190) [system] nonvar((0x558d99e6bec0))
   Call: (190) [system] nonvar(position(_1154690))
   Exit: (190) [system] nonvar(position(_1154690))
   Exit: (189) [system] stream_property((0x558d99e6bec0), position('$stream_position'(271, 9, 0, 271)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), _1154684)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _1163978)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), _1154684)
   Exit: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), 9)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), 9)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), _1154686)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _1171412)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), _1154686)
   Exit: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), _1154688)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _1178846)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), _1154688)
   Exit: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), 271)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), 271)
^  Exit: (188) [user] read_position((0x558d99e6bec0), 9, 0, 271, '$stream_position'(271, 9, 0, 271))
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1184440)
   Call: (189) [system] get_char((0x558d99e6bec0), _1185370)
   Exit: (189) [system] get_char((0x558d99e6bec0), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Fail: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
   Fail: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1190940)
   Call: (190) [system] get_char((0x558d99e6bec0), _1191870)
   Exit: (190) [system] get_char((0x558d99e6bec0), ;)
   Call: (190) [system] char_type(;, end_of_line)
   Fail: (190) [system] char_type(;, end_of_line)
   Call: (190) [system] (;)=end_of_file
   Fail: (190) [system] (;)=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1197440)
   Call: (191) [system] get_char((0x558d99e6bec0), _1198370)
   Exit: (191) [system] get_char((0x558d99e6bec0), s)
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] s=end_of_file
   Fail: (191) [system] s=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1203940)
   Call: (192) [system] get_char((0x558d99e6bec0), _1204870)
   Exit: (192) [system] get_char((0x558d99e6bec0), y)
   Call: (192) [system] char_type(y, end_of_line)
   Fail: (192) [system] char_type(y, end_of_line)
   Call: (192) [system] y=end_of_file
   Fail: (192) [system] y=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1210440)
   Call: (193) [system] get_char((0x558d99e6bec0), _1211370)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] char_type(s, end_of_line)
   Fail: (193) [system] char_type(s, end_of_line)
   Call: (193) [system] s=end_of_file
   Fail: (193) [system] s=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1216940)
   Call: (194) [system] get_char((0x558d99e6bec0), _1217870)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Fail: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
   Fail: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1223440)
   Call: (195) [system] get_char((0x558d99e6bec0), _1224370)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1229940)
   Call: (196) [system] get_char((0x558d99e6bec0), _1230870)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Fail: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
   Fail: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1236440)
   Call: (197) [system] get_char((0x558d99e6bec0), _1237370)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1242940)
   Call: (198) [system] get_char((0x558d99e6bec0), _1243870)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Fail: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
   Fail: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1249440)
   Call: (199) [system] get_char((0x558d99e6bec0), _1250370)
   Exit: (199) [system] get_char((0x558d99e6bec0), '0')
   Call: (199) [system] char_type('0', end_of_line)
   Fail: (199) [system] char_type('0', end_of_line)
   Call: (199) [system] '0'=end_of_file
   Fail: (199) [system] '0'=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1255940)
   Call: (200) [system] get_char((0x558d99e6bec0), _1256870)
   Exit: (200) [system] get_char((0x558d99e6bec0), m)
   Call: (200) [system] char_type(m, end_of_line)
   Fail: (200) [system] char_type(m, end_of_line)
   Call: (200) [system] m=end_of_file
   Fail: (200) [system] m=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1262440)
   Call: (201) [system] get_char((0x558d99e6bec0), _1263370)
   Exit: (201) [system] get_char((0x558d99e6bec0), '0')
   Call: (201) [system] char_type('0', end_of_line)
   Fail: (201) [system] char_type('0', end_of_line)
   Call: (201) [system] '0'=end_of_file
   Fail: (201) [system] '0'=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1268940)
   Call: (202) [system] get_char((0x558d99e6bec0), _1269870)
   Exit: (202) [system] get_char((0x558d99e6bec0), '.')
   Call: (202) [system] char_type('.', end_of_line)
   Fail: (202) [system] char_type('.', end_of_line)
   Call: (202) [system] ('.')=end_of_file
   Fail: (202) [system] ('.')=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1275440)
   Call: (203) [system] get_char((0x558d99e6bec0), _1276370)
   Exit: (203) [system] get_char((0x558d99e6bec0), '0')
   Call: (203) [system] char_type('0', end_of_line)
   Fail: (203) [system] char_type('0', end_of_line)
   Call: (203) [system] '0'=end_of_file
   Fail: (203) [system] '0'=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1281940)
   Call: (204) [system] get_char((0x558d99e6bec0), _1282870)
   Exit: (204) [system] get_char((0x558d99e6bec0), '3')
   Call: (204) [system] char_type('3', end_of_line)
   Fail: (204) [system] char_type('3', end_of_line)
   Call: (204) [system] '3'=end_of_file
   Fail: (204) [system] '3'=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1288440)
   Call: (205) [system] get_char((0x558d99e6bec0), _1289370)
   Exit: (205) [system] get_char((0x558d99e6bec0), '0')
   Call: (205) [system] char_type('0', end_of_line)
   Fail: (205) [system] char_type('0', end_of_line)
   Call: (205) [system] '0'=end_of_file
   Fail: (205) [system] '0'=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1294940)
   Call: (206) [system] get_char((0x558d99e6bec0), _1295870)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] char_type(s, end_of_line)
   Fail: (206) [system] char_type(s, end_of_line)
   Call: (206) [system] s=end_of_file
   Fail: (206) [system] s=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1301440)
   Call: (207) [system] get_char((0x558d99e6bec0), _1302370)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\n')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
   Call: (207) [system] _1301440=""
   Exit: (207) [system] ""=""
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (206) [system] string_concat(s, "", _1294940)
   Exit: (206) [system] string_concat(s, "", "s")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (205) [system] string_concat('0', "s", _1288440)
   Exit: (205) [system] string_concat('0', "s", "0s")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "0s")
   Call: (204) [system] string_concat('3', "0s", _1281940)
   Exit: (204) [system] string_concat('3', "0s", "30s")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "30s")
   Call: (203) [system] string_concat('0', "30s", _1275440)
   Exit: (203) [system] string_concat('0', "30s", "030s")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "030s")
   Call: (202) [system] string_concat('.', "030s", _1268940)
   Exit: (202) [system] string_concat('.', "030s", ".030s")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), ".030s")
   Call: (201) [system] string_concat('0', ".030s", _1262440)
   Exit: (201) [system] string_concat('0', ".030s", "0.030s")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "0.030s")
   Call: (200) [system] string_concat(m, "0.030s", _1255940)
   Exit: (200) [system] string_concat(m, "0.030s", "m0.030s")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "m0.030s")
   Call: (199) [system] string_concat('0', "m0.030s", _1249440)
   Exit: (199) [system] string_concat('0', "m0.030s", "0m0.030s")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "0m0.030s")
   Call: (198) [system] string_concat(' ', "0m0.030s", _1242940)
   Exit: (198) [system] string_concat(' ', "0m0.030s", " 0m0.030s")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), " 0m0.030s")
   Call: (197) [system] string_concat(' ', " 0m0.030s", _1236440)
   Exit: (197) [system] string_concat(' ', " 0m0.030s", "  0m0.030s")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "  0m0.030s")
   Call: (196) [system] string_concat(' ', "  0m0.030s", _1229940)
   Exit: (196) [system] string_concat(' ', "  0m0.030s", "   0m0.030s")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "   0m0.030s")
   Call: (195) [system] string_concat(' ', "   0m0.030s", _1223440)
   Exit: (195) [system] string_concat(' ', "   0m0.030s", "    0m0.030s")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "    0m0.030s")
   Call: (194) [system] string_concat(' ', "    0m0.030s", _1216940)
   Exit: (194) [system] string_concat(' ', "    0m0.030s", "     0m0.030s")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "     0m0.030s")
   Call: (193) [system] string_concat(s, "     0m0.030s", _1210440)
   Exit: (193) [system] string_concat(s, "     0m0.030s", "s     0m0.030s")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "s     0m0.030s")
   Call: (192) [system] string_concat(y, "s     0m0.030s", _1203940)
   Exit: (192) [system] string_concat(y, "s     0m0.030s", "ys     0m0.030s")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "ys     0m0.030s")
   Call: (191) [system] string_concat(s, "ys     0m0.030s", _1197440)
   Exit: (191) [system] string_concat(s, "ys     0m0.030s", "sys     0m0.030s")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "sys     0m0.030s")
   Call: (190) [system] string_concat(;, "sys     0m0.030s", _1190940)
   Exit: (190) [system] string_concat(;, "sys     0m0.030s", ";sys     0m0.030s")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), ";sys     0m0.030s")
   Call: (189) [system] string_concat(;, ";sys     0m0.030s", _1184440)
   Exit: (189) [system] string_concat(;, ";sys     0m0.030s", ";;sys     0m0.030s")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), ";;sys     0m0.030s")
^  Call: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (187) [user] read_comment((0x558d99e6bec0))
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1362998)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _1372592)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1375296)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_comment((0x558d99e6bec0))
^  Call: (190) [user] read_position((0x558d99e6bec0), _1379934, _1379936, _1379938, _1379940)
   Call: (191) [system] stream_property((0x558d99e6bec0), position(_1379940))
   Call: (192) [system] nonvar((0x558d99e6bec0))
   Exit: (192) [system] nonvar((0x558d99e6bec0))
   Call: (192) [system] nonvar(position(_1379940))
   Exit: (192) [system] nonvar(position(_1379940))
   Exit: (191) [system] stream_property((0x558d99e6bec0), position('$stream_position'(291, 11, 0, 291)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), _1379934)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _1389228)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), _1379934)
   Exit: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), 11)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), 11)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), _1379936)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _1396662)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), _1379936)
   Exit: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), _1379938)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _1404096)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), _1379938)
   Exit: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), 291)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), 291)
^  Exit: (190) [user] read_position((0x558d99e6bec0), 11, 0, 291, '$stream_position'(291, 11, 0, 291))
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1409690)
   Call: (191) [system] get_char((0x558d99e6bec0), _1410620)
   Exit: (191) [system] get_char((0x558d99e6bec0), ;)
   Call: (191) [system] char_type(;, end_of_line)
   Fail: (191) [system] char_type(;, end_of_line)
   Call: (191) [system] (;)=end_of_file
   Fail: (191) [system] (;)=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1416190)
   Call: (192) [system] get_char((0x558d99e6bec0), _1417120)
   Exit: (192) [system] get_char((0x558d99e6bec0), ;)
   Call: (192) [system] char_type(;, end_of_line)
   Fail: (192) [system] char_type(;, end_of_line)
   Call: (192) [system] (;)=end_of_file
   Fail: (192) [system] (;)=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1422690)
   Call: (193) [system] get_char((0x558d99e6bec0), _1423620)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1429190)
   Call: (194) [system] get_char((0x558d99e6bec0), _1430120)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'I')
   Call: (194) [system] char_type('I', end_of_line)
   Fail: (194) [system] char_type('I', end_of_line)
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1435690)
   Call: (195) [system] get_char((0x558d99e6bec0), _1436620)
   Exit: (195) [system] get_char((0x558d99e6bec0), m)
   Call: (195) [system] char_type(m, end_of_line)
   Fail: (195) [system] char_type(m, end_of_line)
   Call: (195) [system] m=end_of_file
   Fail: (195) [system] m=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1442190)
   Call: (196) [system] get_char((0x558d99e6bec0), _1443120)
   Exit: (196) [system] get_char((0x558d99e6bec0), p)
   Call: (196) [system] char_type(p, end_of_line)
   Fail: (196) [system] char_type(p, end_of_line)
   Call: (196) [system] p=end_of_file
   Fail: (196) [system] p=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1448690)
   Call: (197) [system] get_char((0x558d99e6bec0), _1449620)
   Exit: (197) [system] get_char((0x558d99e6bec0), o)
   Call: (197) [system] char_type(o, end_of_line)
   Fail: (197) [system] char_type(o, end_of_line)
   Call: (197) [system] o=end_of_file
   Fail: (197) [system] o=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1455190)
   Call: (198) [system] get_char((0x558d99e6bec0), _1456120)
   Exit: (198) [system] get_char((0x558d99e6bec0), r)
   Call: (198) [system] char_type(r, end_of_line)
   Fail: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
   Fail: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1461690)
   Call: (199) [system] get_char((0x558d99e6bec0), _1462620)
   Exit: (199) [system] get_char((0x558d99e6bec0), t)
   Call: (199) [system] char_type(t, end_of_line)
   Fail: (199) [system] char_type(t, end_of_line)
   Call: (199) [system] t=end_of_file
   Fail: (199) [system] t=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1468190)
   Call: (200) [system] get_char((0x558d99e6bec0), _1469120)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1474690)
   Call: (201) [system] get_char((0x558d99e6bec0), _1475620)
   Exit: (201) [system] get_char((0x558d99e6bec0), m)
   Call: (201) [system] char_type(m, end_of_line)
   Fail: (201) [system] char_type(m, end_of_line)
   Call: (201) [system] m=end_of_file
   Fail: (201) [system] m=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1481190)
   Call: (202) [system] get_char((0x558d99e6bec0), _1482120)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] char_type(o, end_of_line)
   Fail: (202) [system] char_type(o, end_of_line)
   Call: (202) [system] o=end_of_file
   Fail: (202) [system] o=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1487690)
   Call: (203) [system] get_char((0x558d99e6bec0), _1488620)
   Exit: (203) [system] get_char((0x558d99e6bec0), d)
   Call: (203) [system] char_type(d, end_of_line)
   Fail: (203) [system] char_type(d, end_of_line)
   Call: (203) [system] d=end_of_file
   Fail: (203) [system] d=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1494190)
   Call: (204) [system] get_char((0x558d99e6bec0), _1495120)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] char_type(u, end_of_line)
   Fail: (204) [system] char_type(u, end_of_line)
   Call: (204) [system] u=end_of_file
   Fail: (204) [system] u=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1500690)
   Call: (205) [system] get_char((0x558d99e6bec0), _1501620)
   Exit: (205) [system] get_char((0x558d99e6bec0), l)
   Call: (205) [system] char_type(l, end_of_line)
   Fail: (205) [system] char_type(l, end_of_line)
   Call: (205) [system] l=end_of_file
   Fail: (205) [system] l=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1507190)
   Call: (206) [system] get_char((0x558d99e6bec0), _1508120)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] char_type(e, end_of_line)
   Fail: (206) [system] char_type(e, end_of_line)
   Call: (206) [system] e=end_of_file
   Fail: (206) [system] e=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1513690)
   Call: (207) [system] get_char((0x558d99e6bec0), _1514620)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] char_type(s, end_of_line)
   Fail: (207) [system] char_type(s, end_of_line)
   Call: (207) [system] s=end_of_file
   Fail: (207) [system] s=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1520190)
   Call: (208) [system] get_char((0x558d99e6bec0), _1521120)
   Exit: (208) [system] get_char((0x558d99e6bec0), '\n')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
   Call: (208) [system] _1520190=""
   Exit: (208) [system] ""=""
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (207) [system] string_concat(s, "", _1513690)
   Exit: (207) [system] string_concat(s, "", "s")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (206) [system] string_concat(e, "s", _1507190)
   Exit: (206) [system] string_concat(e, "s", "es")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "es")
   Call: (205) [system] string_concat(l, "es", _1500690)
   Exit: (205) [system] string_concat(l, "es", "les")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "les")
   Call: (204) [system] string_concat(u, "les", _1494190)
   Exit: (204) [system] string_concat(u, "les", "ules")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "ules")
   Call: (203) [system] string_concat(d, "ules", _1487690)
   Exit: (203) [system] string_concat(d, "ules", "dules")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "dules")
   Call: (202) [system] string_concat(o, "dules", _1481190)
   Exit: (202) [system] string_concat(o, "dules", "odules")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "odules")
   Call: (201) [system] string_concat(m, "odules", _1474690)
   Exit: (201) [system] string_concat(m, "odules", "modules")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "modules")
   Call: (200) [system] string_concat(' ', "modules", _1468190)
   Exit: (200) [system] string_concat(' ', "modules", " modules")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), " modules")
   Call: (199) [system] string_concat(t, " modules", _1461690)
   Exit: (199) [system] string_concat(t, " modules", "t modules")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "t modules")
   Call: (198) [system] string_concat(r, "t modules", _1455190)
   Exit: (198) [system] string_concat(r, "t modules", "rt modules")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "rt modules")
   Call: (197) [system] string_concat(o, "rt modules", _1448690)
   Exit: (197) [system] string_concat(o, "rt modules", "ort modules")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "ort modules")
   Call: (196) [system] string_concat(p, "ort modules", _1442190)
   Exit: (196) [system] string_concat(p, "ort modules", "port modules")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "port modules")
   Call: (195) [system] string_concat(m, "port modules", _1435690)
   Exit: (195) [system] string_concat(m, "port modules", "mport modules")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "mport modules")
   Call: (194) [system] string_concat('I', "mport modules", _1429190)
   Exit: (194) [system] string_concat('I', "mport modules", "Import modules")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "Import modules")
   Call: (193) [system] string_concat(' ', "Import modules", _1422690)
   Exit: (193) [system] string_concat(' ', "Import modules", " Import modules")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), " Import modules")
   Call: (192) [system] string_concat(;, " Import modules", _1416190)
   Exit: (192) [system] string_concat(;, " Import modules", "; Import modules")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "; Import modules")
   Call: (191) [system] string_concat(;, "; Import modules", _1409690)
   Exit: (191) [system] string_concat(;, "; Import modules", ";; Import modules")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), ";; Import modules")
^  Call: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (189) [user] read_comment((0x558d99e6bec0))
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1578946)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (190) [system] '\n'=(;)
   Fail: (190) [system] '\n'=(;)
^  Call: (190) [user] is_like_space('\n')
   Call: (191) [system] char_type('\n', 'white')
   Fail: (191) [system] char_type('\n', 'white')
   Call: (191) [system] char_type('\n', end_of_line)
   Exit: (191) [system] char_type('\n', end_of_line)
^  Exit: (190) [user] is_like_space('\n')
   Call: (190) [system] get_char((0x558d99e6bec0), _1588540)
   Exit: (190) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1591244)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_comment((0x558d99e6bec0))
^  Call: (192) [user] read_position((0x558d99e6bec0), _1595882, _1595884, _1595886, _1595888)
   Call: (193) [system] stream_property((0x558d99e6bec0), position(_1595888))
   Call: (194) [system] nonvar((0x558d99e6bec0))
   Exit: (194) [system] nonvar((0x558d99e6bec0))
   Call: (194) [system] nonvar(position(_1595888))
   Exit: (194) [system] nonvar(position(_1595888))
   Exit: (193) [system] stream_property((0x558d99e6bec0), position('$stream_position'(310, 13, 0, 310)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), _1595882)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _1605176)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), _1595882)
   Exit: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), 13)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), 13)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), _1595884)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _1612610)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), _1595884)
   Exit: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), _1595886)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _1620044)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), _1595886)
   Exit: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), 310)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), 310)
^  Exit: (192) [user] read_position((0x558d99e6bec0), 13, 0, 310, '$stream_position'(310, 13, 0, 310))
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1625638)
   Call: (193) [system] get_char((0x558d99e6bec0), _1626568)
   Exit: (193) [system] get_char((0x558d99e6bec0), ;)
   Call: (193) [system] char_type(;, end_of_line)
   Fail: (193) [system] char_type(;, end_of_line)
   Call: (193) [system] (;)=end_of_file
   Fail: (193) [system] (;)=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1632138)
   Call: (194) [system] get_char((0x558d99e6bec0), _1633068)
   Exit: (194) [system] get_char((0x558d99e6bec0), ;)
   Call: (194) [system] char_type(;, end_of_line)
   Fail: (194) [system] char_type(;, end_of_line)
   Call: (194) [system] (;)=end_of_file
   Fail: (194) [system] (;)=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1638638)
   Call: (195) [system] get_char((0x558d99e6bec0), _1639568)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1645138)
   Call: (196) [system] get_char((0x558d99e6bec0), _1646068)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'D')
   Call: (196) [system] char_type('D', end_of_line)
   Fail: (196) [system] char_type('D', end_of_line)
   Call: (196) [system] 'D'=end_of_file
   Fail: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1651638)
   Call: (197) [system] get_char((0x558d99e6bec0), _1652568)
   Exit: (197) [system] get_char((0x558d99e6bec0), e)
   Call: (197) [system] char_type(e, end_of_line)
   Fail: (197) [system] char_type(e, end_of_line)
   Call: (197) [system] e=end_of_file
   Fail: (197) [system] e=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1658138)
   Call: (198) [system] get_char((0x558d99e6bec0), _1659068)
   Exit: (198) [system] get_char((0x558d99e6bec0), f)
   Call: (198) [system] char_type(f, end_of_line)
   Fail: (198) [system] char_type(f, end_of_line)
   Call: (198) [system] f=end_of_file
   Fail: (198) [system] f=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1664638)
   Call: (199) [system] get_char((0x558d99e6bec0), _1665568)
   Exit: (199) [system] get_char((0x558d99e6bec0), i)
   Call: (199) [system] char_type(i, end_of_line)
   Fail: (199) [system] char_type(i, end_of_line)
   Call: (199) [system] i=end_of_file
   Fail: (199) [system] i=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1671138)
   Call: (200) [system] get_char((0x558d99e6bec0), _1672068)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] char_type(n, end_of_line)
   Fail: (200) [system] char_type(n, end_of_line)
   Call: (200) [system] n=end_of_file
   Fail: (200) [system] n=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1677638)
   Call: (201) [system] get_char((0x558d99e6bec0), _1678568)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] char_type(e, end_of_line)
   Fail: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
   Fail: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1684138)
   Call: (202) [system] get_char((0x558d99e6bec0), _1685068)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1690638)
   Call: (203) [system] get_char((0x558d99e6bec0), _1691568)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'N')
   Call: (203) [system] char_type('N', end_of_line)
   Fail: (203) [system] char_type('N', end_of_line)
   Call: (203) [system] 'N'=end_of_file
   Fail: (203) [system] 'N'=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1697138)
   Call: (204) [system] get_char((0x558d99e6bec0), _1698068)
   Exit: (204) [system] get_char((0x558d99e6bec0), a)
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1703638)
   Call: (205) [system] get_char((0x558d99e6bec0), _1704568)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] char_type(t, end_of_line)
   Fail: (205) [system] char_type(t, end_of_line)
   Call: (205) [system] t=end_of_file
   Fail: (205) [system] t=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1710138)
   Call: (206) [system] get_char((0x558d99e6bec0), _1711068)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\n')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
   Call: (206) [system] _1710138=""
   Exit: (206) [system] ""=""
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (205) [system] string_concat(t, "", _1703638)
   Exit: (205) [system] string_concat(t, "", "t")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "t")
   Call: (204) [system] string_concat(a, "t", _1697138)
   Exit: (204) [system] string_concat(a, "t", "at")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "at")
   Call: (203) [system] string_concat('N', "at", _1690638)
   Exit: (203) [system] string_concat('N', "at", "Nat")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "Nat")
   Call: (202) [system] string_concat(' ', "Nat", _1684138)
   Exit: (202) [system] string_concat(' ', "Nat", " Nat")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), " Nat")
   Call: (201) [system] string_concat(e, " Nat", _1677638)
   Exit: (201) [system] string_concat(e, " Nat", "e Nat")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "e Nat")
   Call: (200) [system] string_concat(n, "e Nat", _1671138)
   Exit: (200) [system] string_concat(n, "e Nat", "ne Nat")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "ne Nat")
   Call: (199) [system] string_concat(i, "ne Nat", _1664638)
   Exit: (199) [system] string_concat(i, "ne Nat", "ine Nat")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "ine Nat")
   Call: (198) [system] string_concat(f, "ine Nat", _1658138)
   Exit: (198) [system] string_concat(f, "ine Nat", "fine Nat")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "fine Nat")
   Call: (197) [system] string_concat(e, "fine Nat", _1651638)
   Exit: (197) [system] string_concat(e, "fine Nat", "efine Nat")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "efine Nat")
   Call: (196) [system] string_concat('D', "efine Nat", _1645138)
   Exit: (196) [system] string_concat('D', "efine Nat", "Define Nat")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "Define Nat")
   Call: (195) [system] string_concat(' ', "Define Nat", _1638638)
   Exit: (195) [system] string_concat(' ', "Define Nat", " Define Nat")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), " Define Nat")
   Call: (194) [system] string_concat(;, " Define Nat", _1632138)
   Exit: (194) [system] string_concat(;, " Define Nat", "; Define Nat")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "; Define Nat")
   Call: (193) [system] string_concat(;, "; Define Nat", _1625638)
   Exit: (193) [system] string_concat(;, "; Define Nat", ";; Define Nat")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), ";; Define Nat")
^  Call: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (191) [user] read_comment((0x558d99e6bec0))
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1757688)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (180) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (179) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (178) [user] skip_spaces((0x558d99e6bec0))
   Call: (178) [system] get_char((0x558d99e6bec0), _1783854)
   Exit: (178) [system] get_char((0x558d99e6bec0), '(')
   Call: (178) [system] '('='('
   Exit: (178) [system] '('='('
^  Call: (178) [user] read_list(')', (0x558d99e6bec0), _3314)
^  Call: (179) [user] skip_spaces((0x558d99e6bec0))
   Call: (180) [system] peek_char((0x558d99e6bec0), _1789424)
   Exit: (180) [system] peek_char((0x558d99e6bec0), :)
   Call: (180) [system] (:)=(;)
   Fail: (180) [system] (:)=(;)
^  Call: (180) [user] is_like_space(:)
   Call: (181) [system] char_type(:, 'white')
   Fail: (181) [system] char_type(:, 'white')
   Call: (181) [system] char_type(:, end_of_line)
   Fail: (181) [system] char_type(:, end_of_line)
   Call: (181) [system] char_type(:, space)
   Fail: (181) [system] char_type(:, space)
   Call: (181) [system] char_type(:, cntrl)
   Fail: (181) [system] char_type(:, cntrl)
^  Fail: (180) [user] is_like_space(:)
^  Exit: (179) [user] skip_spaces((0x558d99e6bec0))
   Call: (179) [system] peek_char((0x558d99e6bec0), _1803578)
   Exit: (179) [system] peek_char((0x558d99e6bec0), :)
   Call: (179) [system] (:)=')'
   Fail: (179) [system] (:)=')'
   Call: (179) [system] (:)=end_of_file
   Fail: (179) [system] (:)=end_of_file
^  Call: (179) [user] cont_sexpr(')', (0x558d99e6bec0), _1809148)
^  Call: (180) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] peek_char((0x558d99e6bec0), _1811006)
   Exit: (181) [system] peek_char((0x558d99e6bec0), :)
   Call: (181) [system] (:)=(;)
   Fail: (181) [system] (:)=(;)
^  Call: (181) [user] is_like_space(:)
   Call: (182) [system] char_type(:, 'white')
   Fail: (182) [system] char_type(:, 'white')
   Call: (182) [system] char_type(:, end_of_line)
   Fail: (182) [system] char_type(:, end_of_line)
   Call: (182) [system] char_type(:, space)
   Fail: (182) [system] char_type(:, space)
   Call: (182) [system] char_type(:, cntrl)
   Fail: (182) [system] char_type(:, cntrl)
^  Fail: (181) [user] is_like_space(:)
^  Exit: (180) [user] skip_spaces((0x558d99e6bec0))
   Call: (180) [system] get_char((0x558d99e6bec0), _1825160)
   Exit: (180) [system] get_char((0x558d99e6bec0), :)
   Call: (180) [system] (:)='('
   Fail: (180) [system] (:)='('
   Call: (180) [system] (:)='['
   Fail: (180) [system] (:)='['
   Call: (180) [system] (:)='{'
   Fail: (180) [system] (:)='{'
   Call: (180) [system] (:)='"'
   Fail: (180) [system] (:)='"'
   Call: (180) [system] (:)=!
   Fail: (180) [system] (:)=!
   Call: (180) [system] (:)='\''
   Fail: (180) [system] (:)='\''
   Call: (180) [system] (:)='`'
   Fail: (180) [system] (:)='`'
   Call: (180) [system] (:)=end_of_file
   Fail: (180) [system] (:)=end_of_file
^  Call: (180) [user] read_symbolic(')', (0x558d99e6bec0), :, _1809148)
^  Call: (181) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842802)
   Call: (182) [system] peek_char((0x558d99e6bec0), _1843736)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (182) [user] is_delimiter(' ')
   Call: (183) [system] char_type(' ', space)
   Exit: (183) [system] char_type(' ', space)
^  Exit: (182) [user] is_delimiter(' ')
   Call: (182) [system] _1842802=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (181) [user] classify_and_convert_charseq(:, [], _1809148)
^  Call: (183) [system] setup_call_cleanup('$notrace'(_1853046, _1853048), once(user:catch(read_from_chars([:], _1809148), _1853022, fail)), '$restore_trace'(_1853046, _1853048))
^  Call: (184) [system] sig_atomic(system:'$notrace'(_1853046, _1853048))
^  Exit: (183) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1853022, fail)), system:'$restore_trace'(3, -1))
   Call: (182) [system] atomic(:)
   Exit: (182) [system] atomic(:)
^  Exit: (181) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (180) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (179) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (179) [user] read_list(')', (0x558d99e6bec0), _1860546)
^  Call: (180) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] peek_char((0x558d99e6bec0), _1862404)
   Exit: (181) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (181) [system] ' '=(;)
   Fail: (181) [system] ' '=(;)
^  Call: (181) [user] is_like_space(' ')
   Call: (182) [system] char_type(' ', 'white')
   Exit: (182) [system] char_type(' ', 'white')
^  Exit: (181) [user] is_like_space(' ')
   Call: (181) [system] get_char((0x558d99e6bec0), _1870142)
   Exit: (181) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1872846)
   Exit: (182) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (180) [user] skip_spaces((0x558d99e6bec0))
   Call: (180) [system] peek_char((0x558d99e6bec0), _1887924)
   Exit: (180) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (180) [system] 'N'=')'
   Fail: (180) [system] 'N'=')'
   Call: (180) [system] 'N'=end_of_file
   Fail: (180) [system] 'N'=end_of_file
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1893494)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1895352)
   Exit: (182) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (182) [system] 'N'=(;)
   Fail: (182) [system] 'N'=(;)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Fail: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Fail: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Fail: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
   Fail: (183) [system] char_type('N', cntrl)
^  Fail: (182) [user] is_like_space('N')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1909506)
   Exit: (181) [system] get_char((0x558d99e6bec0), 'N')
   Call: (181) [system] 'N'='('
   Fail: (181) [system] 'N'='('
   Call: (181) [system] 'N'='['
   Fail: (181) [system] 'N'='['
   Call: (181) [system] 'N'='{'
   Fail: (181) [system] 'N'='{'
   Call: (181) [system] 'N'='"'
   Fail: (181) [system] 'N'='"'
   Call: (181) [system] 'N'=!
   Fail: (181) [system] 'N'=!
   Call: (181) [system] 'N'='\''
   Fail: (181) [system] 'N'='\''
   Call: (181) [system] 'N'='`'
   Fail: (181) [system] 'N'='`'
   Call: (181) [system] 'N'=end_of_file
   Fail: (181) [system] 'N'=end_of_file
^  Call: (181) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _1893494)
^  Call: (182) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1927148)
   Call: (183) [system] peek_char((0x558d99e6bec0), _1928082)
   Exit: (183) [system] peek_char((0x558d99e6bec0), a)
^  Call: (183) [user] is_delimiter(a)
   Call: (184) [system] char_type(a, space)
   Fail: (184) [system] char_type(a, space)
   Call: (184) [system] arg(_1932802, v('(', ')', end_of_file), a)
   Fail: (184) [system] arg(_1933734, v('(', ')', end_of_file), a)
^  Fail: (183) [user] is_delimiter(a)
   Call: (183) [system] ')'==a
   Fail: (183) [system] ')'==a
   Call: (183) [system] get_char((0x558d99e6bec0), a)
   Exit: (183) [system] get_char((0x558d99e6bec0), a)
   Call: (183) [system] a=(\)
   Fail: (183) [system] a=(\)
^  Call: (183) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1941084)
   Call: (184) [system] peek_char((0x558d99e6bec0), _1942018)
   Exit: (184) [system] peek_char((0x558d99e6bec0), t)
^  Call: (184) [user] is_delimiter(t)
   Call: (185) [system] char_type(t, space)
   Fail: (185) [system] char_type(t, space)
   Call: (185) [system] arg(_1946738, v('(', ')', end_of_file), t)
   Fail: (185) [system] arg(_1947670, v('(', ')', end_of_file), t)
^  Fail: (184) [user] is_delimiter(t)
   Call: (184) [system] ')'==t
   Fail: (184) [system] ')'==t
   Call: (184) [system] get_char((0x558d99e6bec0), t)
   Exit: (184) [system] get_char((0x558d99e6bec0), t)
   Call: (184) [system] t=(\)
   Fail: (184) [system] t=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1955020)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1955954)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1955020=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (184) [system] _1941084=[t]
   Exit: (184) [system] [t]=[t]
^  Exit: (183) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (183) [system] _1927148=[a, t]
   Exit: (183) [system] [a, t]=[a, t]
^  Exit: (182) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t])
^  Call: (182) [user] classify_and_convert_charseq('N', [a, t], _1893494)
^  Call: (184) [system] setup_call_cleanup('$notrace'(_1970852, _1970854), once(user:catch(read_from_chars(['N', a, t], _1893494), _1970828, fail)), '$restore_trace'(_1970852, _1970854))
^  Call: (185) [system] sig_atomic(system:'$notrace'(_1970852, _1970854))
^  Exit: (184) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1893494), _1970828, fail)), system:'$restore_trace'(3, -1))
   Call: (183) [system] atomic(_1893494)
   Fail: (183) [system] atomic(_1893494)
   Call: (183) [system] atom_chars(_1893494, ['N', a, t])
   Exit: (183) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (182) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (181) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'Nat')
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), 'Nat')
^  Call: (180) [user] read_list(')', (0x558d99e6bec0), _1980228)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1982086)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (182) [system] ' '=(;)
   Fail: (182) [system] ' '=(;)
^  Call: (182) [user] is_like_space(' ')
   Call: (183) [system] char_type(' ', 'white')
   Exit: (183) [system] char_type(' ', 'white')
^  Exit: (182) [user] is_like_space(' ')
   Call: (182) [system] get_char((0x558d99e6bec0), _1989824)
   Exit: (182) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1992528)
   Exit: (183) [system] peek_char((0x558d99e6bec0), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] peek_char((0x558d99e6bec0), _2007606)
   Exit: (181) [system] peek_char((0x558d99e6bec0), 'T')
   Call: (181) [system] 'T'=')'
   Fail: (181) [system] 'T'=')'
   Call: (181) [system] 'T'=end_of_file
   Fail: (181) [system] 'T'=end_of_file
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _2013176)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _2015034)
   Exit: (183) [system] peek_char((0x558d99e6bec0), 'T')
   Call: (183) [system] 'T'=(;)
   Fail: (183) [system] 'T'=(;)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Fail: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Fail: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Fail: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
   Fail: (184) [system] char_type('T', cntrl)
^  Fail: (183) [user] is_like_space('T')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _2029188)
   Exit: (182) [system] get_char((0x558d99e6bec0), 'T')
   Call: (182) [system] 'T'='('
   Fail: (182) [system] 'T'='('
   Call: (182) [system] 'T'='['
   Fail: (182) [system] 'T'='['
   Call: (182) [system] 'T'='{'
   Fail: (182) [system] 'T'='{'
   Call: (182) [system] 'T'='"'
   Fail: (182) [system] 'T'='"'
   Call: (182) [system] 'T'=!
   Fail: (182) [system] 'T'=!
   Call: (182) [system] 'T'='\''
   Fail: (182) [system] 'T'='\''
   Call: (182) [system] 'T'='`'
   Fail: (182) [system] 'T'='`'
   Call: (182) [system] 'T'=end_of_file
   Fail: (182) [system] 'T'=end_of_file
^  Call: (182) [user] read_symbolic(')', (0x558d99e6bec0), 'T', _2013176)
^  Call: (183) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2046830)
   Call: (184) [system] peek_char((0x558d99e6bec0), _2047764)
   Exit: (184) [system] peek_char((0x558d99e6bec0), y)
^  Call: (184) [user] is_delimiter(y)
   Call: (185) [system] char_type(y, space)
   Fail: (185) [system] char_type(y, space)
   Call: (185) [system] arg(_2052484, v('(', ')', end_of_file), y)
   Fail: (185) [system] arg(_2053416, v('(', ')', end_of_file), y)
^  Fail: (184) [user] is_delimiter(y)
   Call: (184) [system] ')'==y
   Fail: (184) [system] ')'==y
   Call: (184) [system] get_char((0x558d99e6bec0), y)
   Exit: (184) [system] get_char((0x558d99e6bec0), y)
   Call: (184) [system] y=(\)
   Fail: (184) [system] y=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2060766)
   Call: (185) [system] peek_char((0x558d99e6bec0), _2061700)
   Exit: (185) [system] peek_char((0x558d99e6bec0), p)
^  Call: (185) [user] is_delimiter(p)
   Call: (186) [system] char_type(p, space)
   Fail: (186) [system] char_type(p, space)
   Call: (186) [system] arg(_2066420, v('(', ')', end_of_file), p)
   Fail: (186) [system] arg(_2067352, v('(', ')', end_of_file), p)
^  Fail: (185) [user] is_delimiter(p)
   Call: (185) [system] ')'==p
   Fail: (185) [system] ')'==p
   Call: (185) [system] get_char((0x558d99e6bec0), p)
   Exit: (185) [system] get_char((0x558d99e6bec0), p)
   Call: (185) [system] p=(\)
   Fail: (185) [system] p=(\)
^  Call: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2074702)
   Call: (186) [system] peek_char((0x558d99e6bec0), _2075636)
   Exit: (186) [system] peek_char((0x558d99e6bec0), e)
^  Call: (186) [user] is_delimiter(e)
   Call: (187) [system] char_type(e, space)
   Fail: (187) [system] char_type(e, space)
   Call: (187) [system] arg(_2080356, v('(', ')', end_of_file), e)
   Fail: (187) [system] arg(_2081288, v('(', ')', end_of_file), e)
^  Fail: (186) [user] is_delimiter(e)
   Call: (186) [system] ')'==e
   Fail: (186) [system] ')'==e
   Call: (186) [system] get_char((0x558d99e6bec0), e)
   Exit: (186) [system] get_char((0x558d99e6bec0), e)
   Call: (186) [system] e=(\)
   Fail: (186) [system] e=(\)
^  Call: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2088638)
   Call: (187) [system] peek_char((0x558d99e6bec0), _2089572)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (187) [user] is_delimiter(')')
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] arg(_2094292, v('(', ')', end_of_file), ')')
   Exit: (188) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (187) [user] is_delimiter(')')
   Call: (187) [system] _3380=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (186) [system] _3376=[e]
   Exit: (186) [system] [e]=[e]
^  Exit: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (185) [system] _3372=[p, e]
   Exit: (185) [system] [p, e]=[p, e]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, e])
   Call: (184) [system] _3368=[y, p, e]
   Exit: (184) [system] [y, p, e]=[y, p, e]
^  Exit: (183) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, p, e])
^  Call: (183) [user] classify_and_convert_charseq('T', [y, p, e], _3364)
^  Call: (185) [system] setup_call_cleanup('$notrace'(_15486, _15488), once(user:catch(read_from_chars(['T', y, p, e], _3364), _15462, fail)), '$restore_trace'(_15486, _15488))
^  Call: (186) [system] sig_atomic(system:'$notrace'(_15486, _15488))
^  Exit: (185) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['T', y, p, e], _3364), _15462, fail)), system:'$restore_trace'(3, -1))
   Call: (184) [system] atomic(_3364)
   Fail: (184) [system] atomic(_3364)
   Call: (184) [system] atom_chars(_3364, ['T', y, p, e])
   Exit: (184) [system] atom_chars('Type', ['T', y, p, e])
^  Exit: (183) [user] classify_and_convert_charseq('T', [y, p, e], 'Type')
^  Exit: (182) [user] read_symbolic(')', (0x558d99e6bec0), 'T', 'Type')
^  Exit: (181) [user] cont_sexpr(')', (0x558d99e6bec0), 'Type')
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _24862)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _26720)
   Exit: (183) [system] peek_char((0x558d99e6bec0), ')')
   Call: (183) [system] ')'=(;)
   Fail: (183) [system] ')'=(;)
^  Call: (183) [user] is_like_space(')')
   Call: (184) [system] char_type(')', 'white')
   Fail: (184) [system] char_type(')', 'white')
   Call: (184) [system] char_type(')', end_of_line)
   Fail: (184) [system] char_type(')', end_of_line)
   Call: (184) [system] char_type(')', space)
   Fail: (184) [system] char_type(')', space)
   Call: (184) [system] char_type(')', cntrl)
   Fail: (184) [system] char_type(')', cntrl)
^  Fail: (183) [user] is_like_space(')')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _40874)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ')')
   Call: (182) [system] ')'=')'
   Exit: (182) [system] ')'=')'
   Call: (182) [system] get_char((0x558d99e6bec0), _44664)
   Exit: (182) [system] get_char((0x558d99e6bec0), ')')
   Call: (182) [system] _24862=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (181) [system] _3360=['Type']
   Exit: (181) [system] ['Type']=['Type']
^  Exit: (180) [user] read_list(')', (0x558d99e6bec0), ['Type'])
   Call: (180) [system] _3354=['Nat', 'Type']
   Exit: (180) [system] ['Nat', 'Type']=['Nat', 'Type']
^  Exit: (179) [user] read_list(')', (0x558d99e6bec0), ['Nat', 'Type'])
   Call: (179) [system] _3314=[:, 'Nat', 'Type']
   Exit: (179) [system] [:, 'Nat', 'Type']=[:, 'Nat', 'Type']
^  Exit: (178) [user] read_list(')', (0x558d99e6bec0), [:, 'Nat', 'Type'])
^  Exit: (177) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'Nat', 'Type'])
^  Exit: (176) [user] read_sexpr((0x558d99e6bec0), [:, 'Nat', 'Type'])
^  Call: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (174) [system] once(user:(read_position((0x558d99e6bec0), 1, 0, 0, '$stream_position'(0, 1, 0, 0)), read_sexpr((0x558d99e6bec0), [:, 'Nat', 'Type']), assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))))
   Call: (174) [system] fail
^  Call: (174) [user] retract(metta_file_comment(_63182, _63184, _63186, _63188, _63190))
^  Exit: (174) [user] retract(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Call: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _3084)
^  Call: (175) [user] once(call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _66022))
^  Call: (176) [user] call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _66022)
^  Call: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _66022)
^  Call: (178) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _68838))
^  Call: (179) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _68838))
^  Call: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _68838)
^  Call: (181) [user] once(call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _71638))
^  Call: (182) [user] call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _71638)
^  Call: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _71638)
   Call: (184) [system] var('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] atom('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==true
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==false
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==[_78158, _78164]
   Call: (184) [system] is_list('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] string('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Exit: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _82792, _82794)
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] '$COMMENT'\=='$VAR'
   Exit: (184) [system] '$COMMENT'\=='$VAR'
^  Call: (184) [user] apply:maplist(mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], _86534)
   Call: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], _86534, user:mfix_vars1)
^  Call: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", _88414)
   Call: (187) [system] var(";; $kb: a nullary function to axiom")
   Call: (187) [system] atom(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"==true
   Call: (187) [system] ";; $kb: a nullary function to axiom"==false
   Call: (187) [system] ";; $kb: a nullary function to axiom"==[_93056, _93062]
   Call: (187) [system] is_list(";; $kb: a nullary function to axiom")
   Call: (187) [system] string(";; $kb: a nullary function to axiom")
   Exit: (187) [system] string(";; $kb: a nullary function to axiom")
^  Call: (187) [user] string_to_syms
   Call: (188) [system] fail
   Call: (187) [system] compound(";; $kb: a nullary function to axiom")
^  Call: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (188) [system] atom(";; $kb: a nullary function to axiom")
   Fail: (188) [system] atom(";; $kb: a nullary function to axiom")
^  Fail: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"=_88414
   Exit: (187) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
^  Exit: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
   Call: (186) [apply] apply:maplist_([34, 0], _88416, user:mfix_vars1)
^  Call: (187) [user] mfix_vars1(34, _106936)
   Call: (188) [system] var(34)
   Call: (188) [system] atom(34)
   Call: (188) [system] 34==true
   Call: (188) [system] 34==false
   Call: (188) [system] 34==[_111578, _111584]
   Call: (188) [system] is_list(34)
   Call: (188) [system] string(34)
   Call: (188) [system] compound(34)
^  Call: (188) [user] symbol(34)
   Call: (189) [system] atom(34)
   Fail: (189) [system] atom(34)
^  Fail: (188) [user] symbol(34)
   Call: (188) [system] 34=_106936
   Exit: (188) [system] 34=34
^  Exit: (187) [user] mfix_vars1(34, 34)
   Call: (187) [apply] apply:maplist_([0], _106938, user:mfix_vars1)
^  Call: (188) [user] mfix_vars1(0, _122702)
   Call: (189) [system] var(0)
   Call: (189) [system] atom(0)
   Call: (189) [system] 0==true
   Call: (189) [system] 0==false
   Call: (189) [system] 0==[_127344, _127350]
   Call: (189) [system] is_list(0)
   Call: (189) [system] string(0)
   Call: (189) [system] compound(0)
^  Call: (189) [user] symbol(0)
   Call: (190) [system] atom(0)
   Fail: (190) [system] atom(0)
^  Fail: (189) [user] symbol(0)
   Call: (189) [system] 0=_122702
   Exit: (189) [system] 0=0
^  Exit: (188) [user] mfix_vars1(0, 0)
   Call: (188) [apply] apply:maplist_([], _122704, user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (187) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (186) [apply] apply:maplist_([34, 0], [34, 0], user:mfix_vars1)
   Exit: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0], user:mfix_vars1)
^  Exit: (184) [apply] apply:maplist(user:mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] compound_name_arguments(_71638, '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
^  Exit: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _151520))
^  Call: (179) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _151520))
^  Call: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _151520)
^  Call: (181) [user] once(call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _154320))
^  Call: (182) [user] call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _154320)
^  Call: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _154320)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _66022))
^  Call: (179) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _66022))
^  Call: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _66022)
^  Call: (181) [user] once(call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _168278))
^  Call: (182) [user] call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _168278)
^  Call: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _168278)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (176) [system] call(user:untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (175) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (175) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1726258747_317601, 1)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258747.7900958)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258747.7900958-1726258747.3137925
   Exit: (173) [system] 0.4763033390045166 is 1726258747.7900958-1726258747.3137925
   Call: (173) [system] 0.4763033390045166>4
   Fail: (173) [system] 0.4763033390045166>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 0)
   Call: (175) [system] atom(0+1)
   Call: (175) [system] set_flag(translated_forms, 1)
   Exit: (175) [system] set_flag(translated_forms, 1)
   Exit: (174) [$syspreds] update_flag(translated_forms, 0, 0+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 0, 0+1))
   Exit: (171) [$syspreds] flag(translated_forms, 0, 0+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1726258747_317601, 1)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1726258747_317601, 1)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 0, 0+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), ynthesize_long_1726258747_317601, 1)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 14)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 14))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 14))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _238444)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _245866)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _254204)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _256990=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _258858, _258860, _258862, _258864), read_sexpr((0x558d99e6bec0), _258876), assertz(metta_file_comment(_258858, _258860, _258862, _258876, _258864))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _258858, _258860, _258862, _258864)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_258864))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_258864))
   Exit: (181) [system] nonvar(position(_258864))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(337, 15, 0, 337)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), _258858)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _269116)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), _258858)
   Exit: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), 15)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), 15)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), _258860)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _276550)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), _258860)
   Exit: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), _258862)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _283984)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), _258862)
   Exit: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), 337)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), 337)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 15, 0, 337, '$stream_position'(337, 15, 0, 337))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _258876)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _258876)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _294210)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _308364)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _258876)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _313934)
   Exit: (183) [system] peek_char((0x558d99e6bec0), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _328088)
   Exit: (182) [system] peek_char((0x558d99e6bec0), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _333658)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _335516)
   Exit: (184) [system] peek_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _349670)
   Exit: (183) [system] get_char((0x558d99e6bec0), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), :, _333658)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _367312)
   Call: (185) [system] peek_char((0x558d99e6bec0), _368246)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _367312=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(:, [], _333658)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_377556, _377558), once(user:catch(read_from_chars([:], _333658), _377532, fail)), '$restore_trace'(_377556, _377558))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_377556, _377558))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _377532, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(:)
   Exit: (185) [system] atomic(:)
^  Exit: (184) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _385056)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _386914)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _394652)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _397356)
   Exit: (185) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _412434)
   Exit: (183) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (183) [system] 'Z'=')'
   Fail: (183) [system] 'Z'=')'
   Call: (183) [system] 'Z'=end_of_file
   Fail: (183) [system] 'Z'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _418004)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _419862)
   Exit: (185) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (185) [system] 'Z'=(;)
   Fail: (185) [system] 'Z'=(;)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Fail: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Fail: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Fail: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
   Fail: (186) [system] char_type('Z', cntrl)
^  Fail: (185) [user] is_like_space('Z')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _434016)
   Exit: (184) [system] get_char((0x558d99e6bec0), 'Z')
   Call: (184) [system] 'Z'='('
   Fail: (184) [system] 'Z'='('
   Call: (184) [system] 'Z'='['
   Fail: (184) [system] 'Z'='['
   Call: (184) [system] 'Z'='{'
   Fail: (184) [system] 'Z'='{'
   Call: (184) [system] 'Z'='"'
   Fail: (184) [system] 'Z'='"'
   Call: (184) [system] 'Z'=!
   Fail: (184) [system] 'Z'=!
   Call: (184) [system] 'Z'='\''
   Fail: (184) [system] 'Z'='\''
   Call: (184) [system] 'Z'='`'
   Fail: (184) [system] 'Z'='`'
   Call: (184) [system] 'Z'=end_of_file
   Fail: (184) [system] 'Z'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', _418004)
^  Call: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), _451658)
   Call: (186) [system] peek_char((0x558d99e6bec0), _452592)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _451658=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (185) [user] classify_and_convert_charseq('Z', [], _418004)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_461902, _461904), once(user:catch(read_from_chars(['Z'], _418004), _461878, fail)), '$restore_trace'(_461902, _461904))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_461902, _461904))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _418004), _461878, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(_418004)
   Fail: (186) [system] atomic(_418004)
   Call: (186) [system] atom_chars(_418004, ['Z'])
   Exit: (186) [system] atom_chars('Z', ['Z'])
^  Exit: (185) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (184) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', 'Z')
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), 'Z')
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _471278)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _473136)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _480874)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _483578)
   Exit: (186) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _498656)
   Exit: (184) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (184) [system] 'N'=')'
   Fail: (184) [system] 'N'=')'
   Call: (184) [system] 'N'=end_of_file
   Fail: (184) [system] 'N'=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _504226)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _506084)
   Exit: (186) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (186) [system] 'N'=(;)
   Fail: (186) [system] 'N'=(;)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Fail: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Fail: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
   Fail: (187) [system] char_type('N', cntrl)
^  Fail: (186) [user] is_like_space('N')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _520238)
   Exit: (185) [system] get_char((0x558d99e6bec0), 'N')
   Call: (185) [system] 'N'='('
   Fail: (185) [system] 'N'='('
   Call: (185) [system] 'N'='['
   Fail: (185) [system] 'N'='['
   Call: (185) [system] 'N'='{'
   Fail: (185) [system] 'N'='{'
   Call: (185) [system] 'N'='"'
   Fail: (185) [system] 'N'='"'
   Call: (185) [system] 'N'=!
   Fail: (185) [system] 'N'=!
   Call: (185) [system] 'N'='\''
   Fail: (185) [system] 'N'='\''
   Call: (185) [system] 'N'='`'
   Fail: (185) [system] 'N'='`'
   Call: (185) [system] 'N'=end_of_file
   Fail: (185) [system] 'N'=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _504226)
^  Call: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), _537880)
   Call: (187) [system] peek_char((0x558d99e6bec0), _538814)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
^  Call: (187) [user] is_delimiter(a)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] arg(_543534, v('(', ')', end_of_file), a)
   Fail: (188) [system] arg(_544466, v('(', ')', end_of_file), a)
^  Fail: (187) [user] is_delimiter(a)
   Call: (187) [system] ')'==a
   Fail: (187) [system] ')'==a
   Call: (187) [system] get_char((0x558d99e6bec0), a)
   Exit: (187) [system] get_char((0x558d99e6bec0), a)
   Call: (187) [system] a=(\)
   Fail: (187) [system] a=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _551816)
   Call: (188) [system] peek_char((0x558d99e6bec0), _552750)
   Exit: (188) [system] peek_char((0x558d99e6bec0), t)
^  Call: (188) [user] is_delimiter(t)
   Call: (189) [system] char_type(t, space)
   Fail: (189) [system] char_type(t, space)
   Call: (189) [system] arg(_557470, v('(', ')', end_of_file), t)
   Fail: (189) [system] arg(_558402, v('(', ')', end_of_file), t)
^  Fail: (188) [user] is_delimiter(t)
   Call: (188) [system] ')'==t
   Fail: (188) [system] ')'==t
   Call: (188) [system] get_char((0x558d99e6bec0), t)
   Exit: (188) [system] get_char((0x558d99e6bec0), t)
   Call: (188) [system] t=(\)
   Fail: (188) [system] t=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _565752)
   Call: (189) [system] peek_char((0x558d99e6bec0), _566686)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_571406, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _565752=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _551816=[t]
   Exit: (188) [system] [t]=[t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (187) [system] _537880=[a, t]
   Exit: (187) [system] [a, t]=[a, t]
^  Exit: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t])
^  Call: (186) [user] classify_and_convert_charseq('N', [a, t], _504226)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_583456, _583458), once(user:catch(read_from_chars(['N', a, t], _504226), _583432, fail)), '$restore_trace'(_583456, _583458))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_583456, _583458))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _504226), _583432, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_504226)
   Fail: (187) [system] atomic(_504226)
   Call: (187) [system] atom_chars(_504226, ['N', a, t])
   Exit: (187) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (186) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (185) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'Nat')
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), 'Nat')
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _592832)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _594690)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _608844)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _612634)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _592832=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _471278=['Nat']
   Exit: (184) [system] ['Nat']=['Nat']
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), ['Nat'])
   Call: (183) [system] _385056=['Z', 'Nat']
   Exit: (183) [system] ['Z', 'Nat']=['Z', 'Nat']
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), ['Z', 'Nat'])
   Call: (182) [system] _258876=[:, 'Z', 'Nat']
   Exit: (182) [system] [:, 'Z', 'Nat']=[:, 'Z', 'Nat']
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [:, 'Z', 'Nat'])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'Z', 'Nat'])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [:, 'Z', 'Nat'])
^  Call: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 15, 0, 337, '$stream_position'(337, 15, 0, 337)), read_sexpr((0x558d99e6bec0), [:, 'Z', 'Nat']), assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_631152, _631154, _631156, _631158, _631160))
^  Exit: (177) [user] retract(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _633992))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _633992)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _633992)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _636808))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _636808))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _636808)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _639608))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _639608)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _639608)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==[_646128, _646134]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _650762, _650764)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], _654504)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], _654504, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", _656384)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==[_661026, _661032]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"=_656384
   Exit: (190) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
   Call: (189) [apply] apply:maplist_([35, 0], _656386, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(35, _674906)
   Call: (191) [system] var(35)
   Call: (191) [system] atom(35)
   Call: (191) [system] 35==true
   Call: (191) [system] 35==false
   Call: (191) [system] 35==[_679548, _679554]
   Call: (191) [system] is_list(35)
   Call: (191) [system] string(35)
   Call: (191) [system] compound(35)
^  Call: (191) [user] symbol(35)
   Call: (192) [system] atom(35)
   Fail: (192) [system] atom(35)
^  Fail: (191) [user] symbol(35)
   Call: (191) [system] 35=_674906
   Exit: (191) [system] 35=35
^  Exit: (190) [user] mfix_vars1(35, 35)
   Call: (190) [apply] apply:maplist_([0], _674908, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _690672)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_695314, _695320]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_690672
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _690674, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([35, 0], [35, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] compound_name_arguments(_639608, '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _719490))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _719490))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _719490)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _722290))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _722290)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _722290)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _633992))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _633992))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _633992)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _736248))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _736248)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _736248)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1726258747_317601, 14)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258747.856153)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258747.856153-1726258747.3137925
   Exit: (173) [system] 0.5423605442047119 is 1726258747.856153-1726258747.3137925
   Call: (173) [system] 0.5423605442047119>4
   Fail: (173) [system] 0.5423605442047119>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 1)
   Call: (175) [system] atom(1+1)
   Call: (175) [system] set_flag(translated_forms, 2)
   Exit: (175) [system] set_flag(translated_forms, 2)
   Exit: (174) [$syspreds] update_flag(translated_forms, 1, 1+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 1, 1+1))
   Exit: (171) [$syspreds] flag(translated_forms, 1, 1+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1726258747_317601, 14)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1726258747_317601, 14)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 1, 1+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), ynthesize_long_1726258747_317601, 14)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 15)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 15))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 15))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _811032)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _818454)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _826792)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _829578=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _831446, _831448, _831450, _831452), read_sexpr((0x558d99e6bec0), _831464), assertz(metta_file_comment(_831446, _831448, _831450, _831464, _831452))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _831446, _831448, _831450, _831452)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_831452))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_831452))
   Exit: (181) [system] nonvar(position(_831452))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(347, 16, 0, 347)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), _831446)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _841704)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), _831446)
   Exit: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), 16)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), 16)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), _831448)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _849138)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), _831448)
   Exit: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), _831450)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _856572)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), _831450)
   Exit: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), 347)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), 347)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 16, 0, 347, '$stream_position'(347, 16, 0, 347))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _831464)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _831464)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _866798)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _880952)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _831464)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _886522)
   Exit: (183) [system] peek_char((0x558d99e6bec0), :)
   Call: (183) [system] (:)=(;)
   Fail: (183) [system] (:)=(;)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Fail: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Fail: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Fail: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
   Fail: (184) [system] char_type(:, cntrl)
^  Fail: (183) [user] is_like_space(:)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _900676)
   Exit: (182) [system] peek_char((0x558d99e6bec0), :)
   Call: (182) [system] (:)=')'
   Fail: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
   Fail: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _906246)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _908104)
   Exit: (184) [system] peek_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _922258)
   Exit: (183) [system] get_char((0x558d99e6bec0), :)
   Call: (183) [system] (:)='('
   Fail: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Fail: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Fail: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Fail: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Fail: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Fail: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Fail: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), :, _906246)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _939900)
   Call: (185) [system] peek_char((0x558d99e6bec0), _940834)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _939900=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(:, [], _906246)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_950144, _950146), once(user:catch(read_from_chars([:], _906246), _950120, fail)), '$restore_trace'(_950144, _950146))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_950144, _950146))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _950120, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(:)
   Exit: (185) [system] atomic(:)
^  Exit: (184) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _957644)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _959502)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _967240)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _969944)
   Exit: (185) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _985022)
   Exit: (183) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (183) [system] 'S'=')'
   Fail: (183) [system] 'S'=')'
   Call: (183) [system] 'S'=end_of_file
   Fail: (183) [system] 'S'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _990592)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _992450)
   Exit: (185) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (185) [system] 'S'=(;)
   Fail: (185) [system] 'S'=(;)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Fail: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Fail: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Fail: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
   Fail: (186) [system] char_type('S', cntrl)
^  Fail: (185) [user] is_like_space('S')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1006604)
   Exit: (184) [system] get_char((0x558d99e6bec0), 'S')
   Call: (184) [system] 'S'='('
   Fail: (184) [system] 'S'='('
   Call: (184) [system] 'S'='['
   Fail: (184) [system] 'S'='['
   Call: (184) [system] 'S'='{'
   Fail: (184) [system] 'S'='{'
   Call: (184) [system] 'S'='"'
   Fail: (184) [system] 'S'='"'
   Call: (184) [system] 'S'=!
   Fail: (184) [system] 'S'=!
   Call: (184) [system] 'S'='\''
   Fail: (184) [system] 'S'='\''
   Call: (184) [system] 'S'='`'
   Fail: (184) [system] 'S'='`'
   Call: (184) [system] 'S'=end_of_file
   Fail: (184) [system] 'S'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _990592)
^  Call: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1024246)
   Call: (186) [system] peek_char((0x558d99e6bec0), _1025180)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1024246=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (185) [user] classify_and_convert_charseq('S', [], _990592)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1034490, _1034492), once(user:catch(read_from_chars(['S'], _990592), _1034466, fail)), '$restore_trace'(_1034490, _1034492))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1034490, _1034492))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _990592), _1034466, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(_990592)
   Fail: (186) [system] atomic(_990592)
   Call: (186) [system] atom_chars(_990592, ['S'])
   Exit: (186) [system] atom_chars('S', ['S'])
^  Exit: (185) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (184) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1043866)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1045724)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _1053462)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1056166)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1071244)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1076814)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1078672)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _1092826)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1076814)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1098396)
   Exit: (187) [system] peek_char((0x558d99e6bec0), -)
   Call: (187) [system] (-)=(;)
   Fail: (187) [system] (-)=(;)
^  Call: (187) [user] is_like_space(-)
   Call: (188) [system] char_type(-, 'white')
   Fail: (188) [system] char_type(-, 'white')
   Call: (188) [system] char_type(-, end_of_line)
   Fail: (188) [system] char_type(-, end_of_line)
   Call: (188) [system] char_type(-, space)
   Fail: (188) [system] char_type(-, space)
   Call: (188) [system] char_type(-, cntrl)
   Fail: (188) [system] char_type(-, cntrl)
^  Fail: (187) [user] is_like_space(-)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1112550)
   Exit: (186) [system] peek_char((0x558d99e6bec0), -)
   Call: (186) [system] (-)=')'
   Fail: (186) [system] (-)=')'
   Call: (186) [system] (-)=end_of_file
   Fail: (186) [system] (-)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1118120)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1119978)
   Exit: (188) [system] peek_char((0x558d99e6bec0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1134132)
   Exit: (187) [system] get_char((0x558d99e6bec0), -)
   Call: (187) [system] (-)='('
   Fail: (187) [system] (-)='('
   Call: (187) [system] (-)='['
   Fail: (187) [system] (-)='['
   Call: (187) [system] (-)='{'
   Fail: (187) [system] (-)='{'
   Call: (187) [system] (-)='"'
   Fail: (187) [system] (-)='"'
   Call: (187) [system] (-)=!
   Fail: (187) [system] (-)=!
   Call: (187) [system] (-)='\''
   Fail: (187) [system] (-)='\''
   Call: (187) [system] (-)='`'
   Fail: (187) [system] (-)='`'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), -, _1118120)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1151774)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1152708)
   Exit: (189) [system] peek_char((0x558d99e6bec0), >)
^  Call: (189) [user] is_delimiter(>)
   Call: (190) [system] char_type(>, space)
   Fail: (190) [system] char_type(>, space)
   Call: (190) [system] arg(_1157428, v('(', ')', end_of_file), >)
   Fail: (190) [system] arg(_1158360, v('(', ')', end_of_file), >)
^  Fail: (189) [user] is_delimiter(>)
   Call: (189) [system] ')'==(>)
   Fail: (189) [system] ')'==(>)
   Call: (189) [system] get_char((0x558d99e6bec0), >)
   Exit: (189) [system] get_char((0x558d99e6bec0), >)
   Call: (189) [system] (>)=(\)
   Fail: (189) [system] (>)=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1165710)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1166644)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1165710=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (189) [system] _1151774=[>]
   Exit: (189) [system] [>]=[>]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (188) [user] classify_and_convert_charseq(-, [>], _1118120)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1178748, _1178750), once(user:catch(read_from_chars([-, >], _1118120), _1178724, fail)), '$restore_trace'(_1178748, _1178750))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1178748, _1178750))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1178724, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(->)
   Exit: (189) [system] atomic(->)
^  Exit: (188) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1186248)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1188106)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1195844)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1198548)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1213626)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (187) [system] 'N'=')'
   Fail: (187) [system] 'N'=')'
   Call: (187) [system] 'N'=end_of_file
   Fail: (187) [system] 'N'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1219196)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1221054)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (189) [system] 'N'=(;)
   Fail: (189) [system] 'N'=(;)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Fail: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Fail: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Fail: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
   Fail: (190) [system] char_type('N', cntrl)
^  Fail: (189) [user] is_like_space('N')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1235208)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'N')
   Call: (188) [system] 'N'='('
   Fail: (188) [system] 'N'='('
   Call: (188) [system] 'N'='['
   Fail: (188) [system] 'N'='['
   Call: (188) [system] 'N'='{'
   Fail: (188) [system] 'N'='{'
   Call: (188) [system] 'N'='"'
   Fail: (188) [system] 'N'='"'
   Call: (188) [system] 'N'=!
   Fail: (188) [system] 'N'=!
   Call: (188) [system] 'N'='\''
   Fail: (188) [system] 'N'='\''
   Call: (188) [system] 'N'='`'
   Fail: (188) [system] 'N'='`'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _1219196)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1252850)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1253784)
   Exit: (190) [system] peek_char((0x558d99e6bec0), a)
^  Call: (190) [user] is_delimiter(a)
   Call: (191) [system] char_type(a, space)
   Fail: (191) [system] char_type(a, space)
   Call: (191) [system] arg(_1258504, v('(', ')', end_of_file), a)
   Fail: (191) [system] arg(_1259436, v('(', ')', end_of_file), a)
^  Fail: (190) [user] is_delimiter(a)
   Call: (190) [system] ')'==a
   Fail: (190) [system] ')'==a
   Call: (190) [system] get_char((0x558d99e6bec0), a)
   Exit: (190) [system] get_char((0x558d99e6bec0), a)
   Call: (190) [system] a=(\)
   Fail: (190) [system] a=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1266786)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1267720)
   Exit: (191) [system] peek_char((0x558d99e6bec0), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_1272440, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_1273372, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x558d99e6bec0), t)
   Exit: (191) [system] get_char((0x558d99e6bec0), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1280722)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1281656)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1280722=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1266786=[t]
   Exit: (191) [system] [t]=[t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (190) [system] _1252850=[a, t]
   Exit: (190) [system] [a, t]=[a, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t])
^  Call: (189) [user] classify_and_convert_charseq('N', [a, t], _1219196)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1296554, _1296556), once(user:catch(read_from_chars(['N', a, t], _1219196), _1296530, fail)), '$restore_trace'(_1296554, _1296556))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1296554, _1296556))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1219196), _1296530, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_1219196)
   Fail: (190) [system] atomic(_1219196)
   Call: (190) [system] atom_chars(_1219196, ['N', a, t])
   Exit: (190) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (189) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'Nat')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'Nat')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1305930)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1307788)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1315526)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1318230)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1333308)
   Exit: (188) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (188) [system] 'N'=')'
   Fail: (188) [system] 'N'=')'
   Call: (188) [system] 'N'=end_of_file
   Fail: (188) [system] 'N'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1338878)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1340736)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (190) [system] 'N'=(;)
   Fail: (190) [system] 'N'=(;)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Fail: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Fail: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Fail: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
   Fail: (191) [system] char_type('N', cntrl)
^  Fail: (190) [user] is_like_space('N')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1354890)
   Exit: (189) [system] get_char((0x558d99e6bec0), 'N')
   Call: (189) [system] 'N'='('
   Fail: (189) [system] 'N'='('
   Call: (189) [system] 'N'='['
   Fail: (189) [system] 'N'='['
   Call: (189) [system] 'N'='{'
   Fail: (189) [system] 'N'='{'
   Call: (189) [system] 'N'='"'
   Fail: (189) [system] 'N'='"'
   Call: (189) [system] 'N'=!
   Fail: (189) [system] 'N'=!
   Call: (189) [system] 'N'='\''
   Fail: (189) [system] 'N'='\''
   Call: (189) [system] 'N'='`'
   Fail: (189) [system] 'N'='`'
   Call: (189) [system] 'N'=end_of_file
   Fail: (189) [system] 'N'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _1338878)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1372532)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1373466)
   Exit: (191) [system] peek_char((0x558d99e6bec0), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_1378186, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_1379118, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x558d99e6bec0), a)
   Exit: (191) [system] get_char((0x558d99e6bec0), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1386468)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1387402)
   Exit: (192) [system] peek_char((0x558d99e6bec0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1392122, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1393054, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x558d99e6bec0), t)
   Exit: (192) [system] get_char((0x558d99e6bec0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1400404)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1401338)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (193) [user] is_delimiter(')')
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] arg(_1406058, v('(', ')', end_of_file), ')')
   Exit: (194) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (193) [user] is_delimiter(')')
   Call: (193) [system] _1400404=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1386468=[t]
   Exit: (192) [system] [t]=[t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (191) [system] _1372532=[a, t]
   Exit: (191) [system] [a, t]=[a, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t])
^  Call: (190) [user] classify_and_convert_charseq('N', [a, t], _1338878)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1418108, _1418110), once(user:catch(read_from_chars(['N', a, t], _1338878), _1418084, fail)), '$restore_trace'(_1418108, _1418110))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1418108, _1418110))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1338878), _1418084, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1338878)
   Fail: (191) [system] atomic(_1338878)
   Call: (191) [system] atom_chars(_1338878, ['N', a, t])
   Exit: (191) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (190) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'Nat')
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), 'Nat')
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1427484)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1429342)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1443496)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1447286)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1427484=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1305930=['Nat']
   Exit: (188) [system] ['Nat']=['Nat']
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), ['Nat'])
   Call: (187) [system] _1186248=['Nat', 'Nat']
   Exit: (187) [system] ['Nat', 'Nat']=['Nat', 'Nat']
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['Nat', 'Nat'])
   Call: (186) [system] _1076814=[->, 'Nat', 'Nat']
   Exit: (186) [system] [->, 'Nat', 'Nat']=[->, 'Nat', 'Nat']
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [->, 'Nat', 'Nat'])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [->, 'Nat', 'Nat'])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1461168)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1463026)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1477180)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1480970)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1461168=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _1043866=[[->, 'Nat', 'Nat']]
   Exit: (184) [system] [[->, 'Nat', 'Nat']]=[[->, 'Nat', 'Nat']]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[->, 'Nat', 'Nat']])
   Call: (183) [system] _957644=['S', [->, 'Nat', 'Nat']]
   Exit: (183) [system] ['S', [->, 'Nat', 'Nat']]=['S', [->, 'Nat', 'Nat']]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), ['S', [->, 'Nat', 'Nat']])
   Call: (182) [system] _831464=[:, 'S', [->, 'Nat', 'Nat']]
   Exit: (182) [system] [:, 'S', [->, 'Nat', 'Nat']]=[:, 'S', [->, 'Nat', 'Nat']]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [:, 'S', [->, 'Nat', 'Nat']])
^  Call: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 16, 0, 347, '$stream_position'(347, 16, 0, 347)), read_sexpr((0x558d99e6bec0), [:, 'S', [->, 'Nat', 'Nat']]), assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1499488, _1499490, _1499492, _1499494, _1499496))
^  Exit: (177) [user] retract(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1502336))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1502336)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1502336)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1505152))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1505152))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1505152)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1507952))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1507952)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1507952)
   Call: (187) [system] var('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] atom('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==true
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==false
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==[_1514472, _1514478]
   Call: (187) [system] is_list('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] string('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1519106, _1519108)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _1522848)
   Call: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _1522848, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _1524728)
   Call: (190) [system] var(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==[_1529370, _1529376]
   Call: (190) [system] is_list(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=_1524728
   Exit: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([36, 0], _1524730, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(36, _1543250)
   Call: (191) [system] var(36)
   Call: (191) [system] atom(36)
   Call: (191) [system] 36==true
   Call: (191) [system] 36==false
   Call: (191) [system] 36==[_1547892, _1547898]
   Call: (191) [system] is_list(36)
   Call: (191) [system] string(36)
   Call: (191) [system] compound(36)
^  Call: (191) [user] symbol(36)
   Call: (192) [system] atom(36)
   Fail: (192) [system] atom(36)
^  Fail: (191) [user] symbol(36)
   Call: (191) [system] 36=_1543250
   Exit: (191) [system] 36=36
^  Exit: (190) [user] mfix_vars1(36, 36)
   Call: (190) [apply] apply:maplist_([0], _1543252, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1559016)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1563658, _1563664]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1559016
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1559018, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([36, 0], [36, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] compound_name_arguments(_1507952, '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1587834))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1587834))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1587834)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1590634))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1590634)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1590634)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1502336))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1502336))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1502336)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1604592))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1604592)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _1604592)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (178) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1726258747_317601, 15)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258747.9567664)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258747.9567664-1726258747.3137925
   Exit: (173) [system] 0.6429738998413086 is 1726258747.9567664-1726258747.3137925
   Call: (173) [system] 0.6429738998413086>4
   Fail: (173) [system] 0.6429738998413086>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 2)
   Call: (175) [system] atom(2+1)
   Call: (175) [system] set_flag(translated_forms, 3)
   Exit: (175) [system] set_flag(translated_forms, 3)
   Exit: (174) [$syspreds] update_flag(translated_forms, 2, 2+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 2, 2+1))
   Exit: (171) [$syspreds] flag(translated_forms, 2, 2+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1726258747_317601, 15)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1726258747_317601, 15)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 2, 2+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), ynthesize_long_1726258747_317601, 15)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 16)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 16))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 16))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1679376)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1686798)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _1694220)
   Exit: (176) [system] peek_char((0x558d99e6bec0), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (177) [system] string((0x558d99e6bec0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (178) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (178) [system] peek_char((0x558d99e6bec0), _1702558)
   Exit: (178) [system] peek_char((0x558d99e6bec0), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _1705344=(0x558d99e6bec0)
   Exit: (178) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (178) [user] once((read_position((0x558d99e6bec0), _1707212, _1707214, _1707216, _1707218), read_sexpr((0x558d99e6bec0), _1707230), assertz(metta_file_comment(_1707212, _1707214, _1707216, _1707230, _1707218))))
^  Call: (180) [user] read_position((0x558d99e6bec0), _1707212, _1707214, _1707216, _1707218)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_1707218))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_1707218))
   Exit: (182) [system] nonvar(position(_1707218))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(367, 18, 0, 367)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _1707212)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1717470)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), _1707212)
   Exit: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _1707214)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1724904)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), _1707214)
   Exit: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _1707216)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1732338)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), _1707216)
   Exit: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
^  Call: (180) [user] read_sexpr((0x558d99e6bec0), _1707230)
   Call: (181) [system] string((0x558d99e6bec0))
   Fail: (181) [system] string((0x558d99e6bec0))
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _1707230)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1742564)
   Exit: (183) [system] peek_char((0x558d99e6bec0), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_comment((0x558d99e6bec0))
^  Call: (184) [user] read_position((0x558d99e6bec0), _1747202, _1747204, _1747206, _1747208)
   Call: (185) [system] stream_property((0x558d99e6bec0), position(_1747208))
   Call: (186) [system] nonvar((0x558d99e6bec0))
   Exit: (186) [system] nonvar((0x558d99e6bec0))
   Call: (186) [system] nonvar(position(_1747208))
   Exit: (186) [system] nonvar(position(_1747208))
   Exit: (185) [system] stream_property((0x558d99e6bec0), position('$stream_position'(367, 18, 0, 367)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _1747202)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _1756496)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), _1747202)
   Exit: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _1747204)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _1763930)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), _1747204)
   Exit: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _1747206)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _1771364)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), _1747206)
   Exit: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (184) [user] read_position((0x558d99e6bec0), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1776958)
   Call: (185) [system] get_char((0x558d99e6bec0), _1777888)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1783458)
   Call: (186) [system] get_char((0x558d99e6bec0), _1784388)
   Exit: (186) [system] get_char((0x558d99e6bec0), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Fail: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
   Fail: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1789958)
   Call: (187) [system] get_char((0x558d99e6bec0), _1790888)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
   Call: (187) [system] char_type(' ', end_of_line)
   Fail: (187) [system] char_type(' ', end_of_line)
   Call: (187) [system] ' '=end_of_file
   Fail: (187) [system] ' '=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1796458)
   Call: (188) [system] get_char((0x558d99e6bec0), _1797388)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'E')
   Call: (188) [system] char_type('E', end_of_line)
   Fail: (188) [system] char_type('E', end_of_line)
   Call: (188) [system] 'E'=end_of_file
   Fail: (188) [system] 'E'=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1802958)
   Call: (189) [system] get_char((0x558d99e6bec0), _1803888)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] char_type(n, end_of_line)
   Fail: (189) [system] char_type(n, end_of_line)
   Call: (189) [system] n=end_of_file
   Fail: (189) [system] n=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1809458)
   Call: (190) [system] get_char((0x558d99e6bec0), _1810388)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] char_type(u, end_of_line)
   Fail: (190) [system] char_type(u, end_of_line)
   Call: (190) [system] u=end_of_file
   Fail: (190) [system] u=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1815958)
   Call: (191) [system] get_char((0x558d99e6bec0), _1816888)
   Exit: (191) [system] get_char((0x558d99e6bec0), m)
   Call: (191) [system] char_type(m, end_of_line)
   Fail: (191) [system] char_type(m, end_of_line)
   Call: (191) [system] m=end_of_file
   Fail: (191) [system] m=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1822458)
   Call: (192) [system] get_char((0x558d99e6bec0), _1823388)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] char_type(e, end_of_line)
   Fail: (192) [system] char_type(e, end_of_line)
   Call: (192) [system] e=end_of_file
   Fail: (192) [system] e=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1828958)
   Call: (193) [system] get_char((0x558d99e6bec0), _1829888)
   Exit: (193) [system] get_char((0x558d99e6bec0), r)
   Call: (193) [system] char_type(r, end_of_line)
   Fail: (193) [system] char_type(r, end_of_line)
   Call: (193) [system] r=end_of_file
   Fail: (193) [system] r=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1835458)
   Call: (194) [system] get_char((0x558d99e6bec0), _1836388)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] char_type(a, end_of_line)
   Fail: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1841958)
   Call: (195) [system] get_char((0x558d99e6bec0), _1842888)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] char_type(t, end_of_line)
   Fail: (195) [system] char_type(t, end_of_line)
   Call: (195) [system] t=end_of_file
   Fail: (195) [system] t=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1848458)
   Call: (196) [system] get_char((0x558d99e6bec0), _1849388)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] char_type(e, end_of_line)
   Fail: (196) [system] char_type(e, end_of_line)
   Call: (196) [system] e=end_of_file
   Fail: (196) [system] e=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1854958)
   Call: (197) [system] get_char((0x558d99e6bec0), _1855888)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1861458)
   Call: (198) [system] get_char((0x558d99e6bec0), _1862388)
   Exit: (198) [system] get_char((0x558d99e6bec0), a)
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] a=end_of_file
   Fail: (198) [system] a=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1867958)
   Call: (199) [system] get_char((0x558d99e6bec0), _1868888)
   Exit: (199) [system] get_char((0x558d99e6bec0), l)
   Call: (199) [system] char_type(l, end_of_line)
   Fail: (199) [system] char_type(l, end_of_line)
   Call: (199) [system] l=end_of_file
   Fail: (199) [system] l=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1874458)
   Call: (200) [system] get_char((0x558d99e6bec0), _1875388)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] char_type(l, end_of_line)
   Fail: (200) [system] char_type(l, end_of_line)
   Call: (200) [system] l=end_of_file
   Fail: (200) [system] l=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1880958)
   Call: (201) [system] get_char((0x558d99e6bec0), _1881888)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1887458)
   Call: (202) [system] get_char((0x558d99e6bec0), _1888388)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] char_type(p, end_of_line)
   Fail: (202) [system] char_type(p, end_of_line)
   Call: (202) [system] p=end_of_file
   Fail: (202) [system] p=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1893958)
   Call: (203) [system] get_char((0x558d99e6bec0), _1894888)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] char_type(r, end_of_line)
   Fail: (203) [system] char_type(r, end_of_line)
   Call: (203) [system] r=end_of_file
   Fail: (203) [system] r=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1900458)
   Call: (204) [system] get_char((0x558d99e6bec0), _1901388)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] char_type(o, end_of_line)
   Fail: (204) [system] char_type(o, end_of_line)
   Call: (204) [system] o=end_of_file
   Fail: (204) [system] o=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1906958)
   Call: (205) [system] get_char((0x558d99e6bec0), _1907888)
   Exit: (205) [system] get_char((0x558d99e6bec0), g)
   Call: (205) [system] char_type(g, end_of_line)
   Fail: (205) [system] char_type(g, end_of_line)
   Call: (205) [system] g=end_of_file
   Fail: (205) [system] g=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1913458)
   Call: (206) [system] get_char((0x558d99e6bec0), _1914388)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] char_type(r, end_of_line)
   Fail: (206) [system] char_type(r, end_of_line)
   Call: (206) [system] r=end_of_file
   Fail: (206) [system] r=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1919958)
   Call: (207) [system] get_char((0x558d99e6bec0), _1920888)
   Exit: (207) [system] get_char((0x558d99e6bec0), a)
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1926458)
   Call: (208) [system] get_char((0x558d99e6bec0), _1927388)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] char_type(m, end_of_line)
   Fail: (208) [system] char_type(m, end_of_line)
   Call: (208) [system] m=end_of_file
   Fail: (208) [system] m=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1932958)
   Call: (209) [system] get_char((0x558d99e6bec0), _1933888)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] char_type(s, end_of_line)
   Fail: (209) [system] char_type(s, end_of_line)
   Call: (209) [system] s=end_of_file
   Fail: (209) [system] s=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1939458)
   Call: (210) [system] get_char((0x558d99e6bec0), _1940388)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Fail: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
   Fail: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1945958)
   Call: (211) [system] get_char((0x558d99e6bec0), _1946888)
   Exit: (211) [system] get_char((0x558d99e6bec0), u)
   Call: (211) [system] char_type(u, end_of_line)
   Fail: (211) [system] char_type(u, end_of_line)
   Call: (211) [system] u=end_of_file
   Fail: (211) [system] u=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1952458)
   Call: (212) [system] get_char((0x558d99e6bec0), _1953388)
   Exit: (212) [system] get_char((0x558d99e6bec0), p)
   Call: (212) [system] char_type(p, end_of_line)
   Fail: (212) [system] char_type(p, end_of_line)
   Call: (212) [system] p=end_of_file
   Fail: (212) [system] p=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1958958)
   Call: (213) [system] get_char((0x558d99e6bec0), _1959888)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1965458)
   Call: (214) [system] get_char((0x558d99e6bec0), _1966388)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] char_type(t, end_of_line)
   Fail: (214) [system] char_type(t, end_of_line)
   Call: (214) [system] t=end_of_file
   Fail: (214) [system] t=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1971958)
   Call: (215) [system] get_char((0x558d99e6bec0), _1972888)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] char_type(o, end_of_line)
   Fail: (215) [system] char_type(o, end_of_line)
   Call: (215) [system] o=end_of_file
   Fail: (215) [system] o=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1978458)
   Call: (216) [system] get_char((0x558d99e6bec0), _1979388)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Fail: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
   Fail: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1984958)
   Call: (217) [system] get_char((0x558d99e6bec0), _1985888)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1991458)
   Call: (218) [system] get_char((0x558d99e6bec0), _1992388)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
   Call: (218) [system] char_type(' ', end_of_line)
   Fail: (218) [system] char_type(' ', end_of_line)
   Call: (218) [system] ' '=end_of_file
   Fail: (218) [system] ' '=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1997958)
   Call: (219) [system] get_char((0x558d99e6bec0), _1998888)
   Exit: (219) [system] get_char((0x558d99e6bec0), g)
   Call: (219) [system] char_type(g, end_of_line)
   Fail: (219) [system] char_type(g, end_of_line)
   Call: (219) [system] g=end_of_file
   Fail: (219) [system] g=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _2004458)
   Call: (220) [system] get_char((0x558d99e6bec0), _2005388)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] char_type(i, end_of_line)
   Fail: (220) [system] char_type(i, end_of_line)
   Call: (220) [system] i=end_of_file
   Fail: (220) [system] i=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _2010958)
   Call: (221) [system] get_char((0x558d99e6bec0), _2011888)
   Exit: (221) [system] get_char((0x558d99e6bec0), v)
   Call: (221) [system] char_type(v, end_of_line)
   Fail: (221) [system] char_type(v, end_of_line)
   Call: (221) [system] v=end_of_file
   Fail: (221) [system] v=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _2017458)
   Call: (222) [system] get_char((0x558d99e6bec0), _2018388)
   Exit: (222) [system] get_char((0x558d99e6bec0), e)
   Call: (222) [system] char_type(e, end_of_line)
   Fail: (222) [system] char_type(e, end_of_line)
   Call: (222) [system] e=end_of_file
   Fail: (222) [system] e=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _2023958)
   Call: (223) [system] get_char((0x558d99e6bec0), _2024888)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] char_type(n, end_of_line)
   Fail: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
   Fail: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _2030458)
   Call: (224) [system] get_char((0x558d99e6bec0), _2031388)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Fail: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
   Fail: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _2036958)
   Call: (225) [system] get_char((0x558d99e6bec0), _2037888)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] char_type(d, end_of_line)
   Fail: (225) [system] char_type(d, end_of_line)
   Call: (225) [system] d=end_of_file
   Fail: (225) [system] d=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _2043458)
   Call: (226) [system] get_char((0x558d99e6bec0), _2044388)
   Exit: (226) [system] get_char((0x558d99e6bec0), e)
   Call: (226) [system] char_type(e, end_of_line)
   Fail: (226) [system] char_type(e, end_of_line)
   Call: (226) [system] e=end_of_file
   Fail: (226) [system] e=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _2049958)
   Call: (227) [system] get_char((0x558d99e6bec0), _2050888)
   Exit: (227) [system] get_char((0x558d99e6bec0), p)
   Call: (227) [system] char_type(p, end_of_line)
   Fail: (227) [system] char_type(p, end_of_line)
   Call: (227) [system] p=end_of_file
   Fail: (227) [system] p=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _2056458)
   Call: (228) [system] get_char((0x558d99e6bec0), _2057388)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] char_type(t, end_of_line)
   Fail: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
   Fail: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _2062958)
   Call: (229) [system] get_char((0x558d99e6bec0), _2063888)
   Exit: (229) [system] get_char((0x558d99e6bec0), h)
   Call: (229) [system] char_type(h, end_of_line)
   Fail: (229) [system] char_type(h, end_of_line)
   Call: (229) [system] h=end_of_file
   Fail: (229) [system] h=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _2069458)
   Call: (230) [system] get_char((0x558d99e6bec0), _2070388)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Fail: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
   Fail: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _2075958)
   Call: (231) [system] get_char((0x558d99e6bec0), _2076888)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] char_type(t, end_of_line)
   Fail: (231) [system] char_type(t, end_of_line)
   Call: (231) [system] t=end_of_file
   Fail: (231) [system] t=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _2082458)
   Call: (232) [system] get_char((0x558d99e6bec0), _2083388)
   Exit: (232) [system] get_char((0x558d99e6bec0), h)
   Call: (232) [system] char_type(h, end_of_line)
   Fail: (232) [system] char_type(h, end_of_line)
   Call: (232) [system] h=end_of_file
   Fail: (232) [system] h=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _2088958)
   Call: (233) [system] get_char((0x558d99e6bec0), _2089888)
   Exit: (233) [system] get_char((0x558d99e6bec0), a)
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] a=end_of_file
   Fail: (233) [system] a=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _2095458)
   Call: (234) [system] get_char((0x558d99e6bec0), _3572)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] char_type(t, end_of_line)
   Fail: (234) [system] char_type(t, end_of_line)
   Call: (234) [system] t=end_of_file
   Fail: (234) [system] t=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _8788)
   Call: (235) [system] get_char((0x558d99e6bec0), _9718)
   Exit: (235) [system] get_char((0x558d99e6bec0), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Fail: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
   Fail: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _15288)
   Call: (236) [system] get_char((0x558d99e6bec0), _16218)
   Exit: (236) [system] get_char((0x558d99e6bec0), a)
   Call: (236) [system] char_type(a, end_of_line)
   Fail: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] a=end_of_file
   Fail: (236) [system] a=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _21788)
   Call: (237) [system] get_char((0x558d99e6bec0), _22718)
   Exit: (237) [system] get_char((0x558d99e6bec0), r)
   Call: (237) [system] char_type(r, end_of_line)
   Fail: (237) [system] char_type(r, end_of_line)
   Call: (237) [system] r=end_of_file
   Fail: (237) [system] r=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _28288)
   Call: (238) [system] get_char((0x558d99e6bec0), _29218)
   Exit: (238) [system] get_char((0x558d99e6bec0), e)
   Call: (238) [system] char_type(e, end_of_line)
   Fail: (238) [system] char_type(e, end_of_line)
   Call: (238) [system] e=end_of_file
   Fail: (238) [system] e=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _34788)
   Call: (239) [system] get_char((0x558d99e6bec0), _35718)
   Exit: (239) [system] get_char((0x558d99e6bec0), ' ')
   Call: (239) [system] char_type(' ', end_of_line)
   Fail: (239) [system] char_type(' ', end_of_line)
   Call: (239) [system] ' '=end_of_file
   Fail: (239) [system] ' '=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _41288)
   Call: (240) [system] get_char((0x558d99e6bec0), _42218)
   Exit: (240) [system] get_char((0x558d99e6bec0), c)
   Call: (240) [system] char_type(c, end_of_line)
   Fail: (240) [system] char_type(c, end_of_line)
   Call: (240) [system] c=end_of_file
   Fail: (240) [system] c=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _47788)
   Call: (241) [system] get_char((0x558d99e6bec0), _48718)
   Exit: (241) [system] get_char((0x558d99e6bec0), o)
   Call: (241) [system] char_type(o, end_of_line)
   Fail: (241) [system] char_type(o, end_of_line)
   Call: (241) [system] o=end_of_file
   Fail: (241) [system] o=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _54288)
   Call: (242) [system] get_char((0x558d99e6bec0), _55218)
   Exit: (242) [system] get_char((0x558d99e6bec0), n)
   Call: (242) [system] char_type(n, end_of_line)
   Fail: (242) [system] char_type(n, end_of_line)
   Call: (242) [system] n=end_of_file
   Fail: (242) [system] n=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _60788)
   Call: (243) [system] get_char((0x558d99e6bec0), _61718)
   Exit: (243) [system] get_char((0x558d99e6bec0), s)
   Call: (243) [system] char_type(s, end_of_line)
   Fail: (243) [system] char_type(s, end_of_line)
   Call: (243) [system] s=end_of_file
   Fail: (243) [system] s=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _67288)
   Call: (244) [system] get_char((0x558d99e6bec0), _68218)
   Exit: (244) [system] get_char((0x558d99e6bec0), i)
   Call: (244) [system] char_type(i, end_of_line)
   Fail: (244) [system] char_type(i, end_of_line)
   Call: (244) [system] i=end_of_file
   Fail: (244) [system] i=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _73788)
   Call: (245) [system] get_char((0x558d99e6bec0), _74718)
   Exit: (245) [system] get_char((0x558d99e6bec0), s)
   Call: (245) [system] char_type(s, end_of_line)
   Fail: (245) [system] char_type(s, end_of_line)
   Call: (245) [system] s=end_of_file
   Fail: (245) [system] s=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _80288)
   Call: (246) [system] get_char((0x558d99e6bec0), _81218)
   Exit: (246) [system] get_char((0x558d99e6bec0), t)
   Call: (246) [system] char_type(t, end_of_line)
   Fail: (246) [system] char_type(t, end_of_line)
   Call: (246) [system] t=end_of_file
   Fail: (246) [system] t=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _86788)
   Call: (247) [system] get_char((0x558d99e6bec0), _87718)
   Exit: (247) [system] get_char((0x558d99e6bec0), e)
   Call: (247) [system] char_type(e, end_of_line)
   Fail: (247) [system] char_type(e, end_of_line)
   Call: (247) [system] e=end_of_file
   Fail: (247) [system] e=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _93288)
   Call: (248) [system] get_char((0x558d99e6bec0), _94218)
   Exit: (248) [system] get_char((0x558d99e6bec0), n)
   Call: (248) [system] char_type(n, end_of_line)
   Fail: (248) [system] char_type(n, end_of_line)
   Call: (248) [system] n=end_of_file
   Fail: (248) [system] n=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _99788)
   Call: (249) [system] get_char((0x558d99e6bec0), _100718)
   Exit: (249) [system] get_char((0x558d99e6bec0), t)
   Call: (249) [system] char_type(t, end_of_line)
   Fail: (249) [system] char_type(t, end_of_line)
   Call: (249) [system] t=end_of_file
   Fail: (249) [system] t=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _106288)
   Call: (250) [system] get_char((0x558d99e6bec0), _107218)
   Exit: (250) [system] get_char((0x558d99e6bec0), ' ')
   Call: (250) [system] char_type(' ', end_of_line)
   Fail: (250) [system] char_type(' ', end_of_line)
   Call: (250) [system] ' '=end_of_file
   Fail: (250) [system] ' '=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _112788)
   Call: (251) [system] get_char((0x558d99e6bec0), _113718)
   Exit: (251) [system] get_char((0x558d99e6bec0), w)
   Call: (251) [system] char_type(w, end_of_line)
   Fail: (251) [system] char_type(w, end_of_line)
   Call: (251) [system] w=end_of_file
   Fail: (251) [system] w=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _119288)
   Call: (252) [system] get_char((0x558d99e6bec0), _120218)
   Exit: (252) [system] get_char((0x558d99e6bec0), i)
   Call: (252) [system] char_type(i, end_of_line)
   Fail: (252) [system] char_type(i, end_of_line)
   Call: (252) [system] i=end_of_file
   Fail: (252) [system] i=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _125788)
   Call: (253) [system] get_char((0x558d99e6bec0), _126718)
   Exit: (253) [system] get_char((0x558d99e6bec0), t)
   Call: (253) [system] char_type(t, end_of_line)
   Fail: (253) [system] char_type(t, end_of_line)
   Call: (253) [system] t=end_of_file
   Fail: (253) [system] t=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _132288)
   Call: (254) [system] get_char((0x558d99e6bec0), _133218)
   Exit: (254) [system] get_char((0x558d99e6bec0), h)
   Call: (254) [system] char_type(h, end_of_line)
   Fail: (254) [system] char_type(h, end_of_line)
   Call: (254) [system] h=end_of_file
   Fail: (254) [system] h=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _138788)
   Call: (255) [system] get_char((0x558d99e6bec0), _139718)
   Exit: (255) [system] get_char((0x558d99e6bec0), '\n')
   Call: (255) [system] char_type('\n', end_of_line)
   Exit: (255) [system] char_type('\n', end_of_line)
   Call: (255) [system] _138788=""
   Exit: (255) [system] ""=""
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (254) [system] string_concat(h, "", _132288)
   Exit: (254) [system] string_concat(h, "", "h")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "h")
   Call: (253) [system] string_concat(t, "h", _125788)
   Exit: (253) [system] string_concat(t, "h", "th")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "th")
   Call: (252) [system] string_concat(i, "th", _119288)
   Exit: (252) [system] string_concat(i, "th", "ith")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "ith")
   Call: (251) [system] string_concat(w, "ith", _112788)
   Exit: (251) [system] string_concat(w, "ith", "with")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "with")
   Call: (250) [system] string_concat(' ', "with", _106288)
   Exit: (250) [system] string_concat(' ', "with", " with")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), " with")
   Call: (249) [system] string_concat(t, " with", _99788)
   Exit: (249) [system] string_concat(t, " with", "t with")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "t with")
   Call: (248) [system] string_concat(n, "t with", _93288)
   Exit: (248) [system] string_concat(n, "t with", "nt with")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "nt with")
   Call: (247) [system] string_concat(e, "nt with", _86788)
   Exit: (247) [system] string_concat(e, "nt with", "ent with")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "ent with")
   Call: (246) [system] string_concat(t, "ent with", _80288)
   Exit: (246) [system] string_concat(t, "ent with", "tent with")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "tent with")
   Call: (245) [system] string_concat(s, "tent with", _73788)
   Exit: (245) [system] string_concat(s, "tent with", "stent with")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "stent with")
   Call: (244) [system] string_concat(i, "stent with", _67288)
   Exit: (244) [system] string_concat(i, "stent with", "istent with")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "istent with")
   Call: (243) [system] string_concat(s, "istent with", _60788)
   Exit: (243) [system] string_concat(s, "istent with", "sistent with")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "sistent with")
   Call: (242) [system] string_concat(n, "sistent with", _54288)
   Exit: (242) [system] string_concat(n, "sistent with", "nsistent with")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "nsistent with")
   Call: (241) [system] string_concat(o, "nsistent with", _47788)
   Exit: (241) [system] string_concat(o, "nsistent with", "onsistent with")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "onsistent with")
   Call: (240) [system] string_concat(c, "onsistent with", _41288)
   Exit: (240) [system] string_concat(c, "onsistent with", "consistent with")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "consistent with")
   Call: (239) [system] string_concat(' ', "consistent with", _34788)
   Exit: (239) [system] string_concat(' ', "consistent with", " consistent with")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), " consistent with")
   Call: (238) [system] string_concat(e, " consistent with", _28288)
   Exit: (238) [system] string_concat(e, " consistent with", "e consistent with")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "e consistent with")
   Call: (237) [system] string_concat(r, "e consistent with", _21788)
   Exit: (237) [system] string_concat(r, "e consistent with", "re consistent with")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "re consistent with")
   Call: (236) [system] string_concat(a, "re consistent with", _15288)
   Exit: (236) [system] string_concat(a, "re consistent with", "are consistent with")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "are consistent with")
   Call: (235) [system] string_concat(' ', "are consistent with", _8788)
   Exit: (235) [system] string_concat(' ', "are consistent with", " are consistent with")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), " are consistent with")
   Call: (234) [system] string_concat(t, " are consistent with", _3568)
   Exit: (234) [system] string_concat(t, " are consistent with", "t are consistent with")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "t are consistent with")
   Call: (233) [system] string_concat(a, "t are consistent with", _3564)
   Exit: (233) [system] string_concat(a, "t are consistent with", "at are consistent with")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "at are consistent with")
   Call: (232) [system] string_concat(h, "at are consistent with", _3560)
   Exit: (232) [system] string_concat(h, "at are consistent with", "hat are consistent with")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "hat are consistent with")
   Call: (231) [system] string_concat(t, "hat are consistent with", _3556)
   Exit: (231) [system] string_concat(t, "hat are consistent with", "that are consistent with")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "that are consistent with")
   Call: (230) [system] string_concat(' ', "that are consistent with", _3552)
   Exit: (230) [system] string_concat(' ', "that are consistent with", " that are consistent with")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), " that are consistent with")
   Call: (229) [system] string_concat(h, " that are consistent with", _3548)
   Exit: (229) [system] string_concat(h, " that are consistent with", "h that are consistent with")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "h that are consistent with")
   Call: (228) [system] string_concat(t, "h that are consistent with", _3544)
   Exit: (228) [system] string_concat(t, "h that are consistent with", "th that are consistent with")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "th that are consistent with")
   Call: (227) [system] string_concat(p, "th that are consistent with", _3540)
   Exit: (227) [system] string_concat(p, "th that are consistent with", "pth that are consistent with")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "pth that are consistent with")
   Call: (226) [system] string_concat(e, "pth that are consistent with", _3536)
   Exit: (226) [system] string_concat(e, "pth that are consistent with", "epth that are consistent with")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "epth that are consistent with")
   Call: (225) [system] string_concat(d, "epth that are consistent with", _3532)
   Exit: (225) [system] string_concat(d, "epth that are consistent with", "depth that are consistent with")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "depth that are consistent with")
   Call: (224) [system] string_concat(' ', "depth that are consistent with", _3528)
   Exit: (224) [system] string_concat(' ', "depth that are consistent with", " depth that are consistent with")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), " depth that are consistent with")
   Call: (223) [system] string_concat(n, " depth that are consistent with", _3524)
   Exit: (223) [system] string_concat(n, " depth that are consistent with", "n depth that are consistent with")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "n depth that are consistent with")
   Call: (222) [system] string_concat(e, "n depth that are consistent with", _3520)
   Exit: (222) [system] string_concat(e, "n depth that are consistent with", "en depth that are consistent with")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "en depth that are consistent with")
   Call: (221) [system] string_concat(v, "en depth that are consistent with", _3516)
   Exit: (221) [system] string_concat(v, "en depth that are consistent with", "ven depth that are consistent with")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "ven depth that are consistent with")
   Call: (220) [system] string_concat(i, "ven depth that are consistent with", _3512)
   Exit: (220) [system] string_concat(i, "ven depth that are consistent with", "iven depth that are consistent with")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "iven depth that are consistent with")
   Call: (219) [system] string_concat(g, "iven depth that are consistent with", _3508)
   Exit: (219) [system] string_concat(g, "iven depth that are consistent with", "given depth that are consistent with")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "given depth that are consistent with")
   Call: (218) [system] string_concat(' ', "given depth that are consistent with", _3504)
   Exit: (218) [system] string_concat(' ', "given depth that are consistent with", " given depth that are consistent with")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), " given depth that are consistent with")
   Call: (217) [system] string_concat(a, " given depth that are consistent with", _3500)
   Exit: (217) [system] string_concat(a, " given depth that are consistent with", "a given depth that are consistent with")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "a given depth that are consistent with")
   Call: (216) [system] string_concat(' ', "a given depth that are consistent with", _3496)
   Exit: (216) [system] string_concat(' ', "a given depth that are consistent with", " a given depth that are consistent with")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), " a given depth that are consistent with")
   Call: (215) [system] string_concat(o, " a given depth that are consistent with", _3492)
   Exit: (215) [system] string_concat(o, " a given depth that are consistent with", "o a given depth that are consistent with")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "o a given depth that are consistent with")
   Call: (214) [system] string_concat(t, "o a given depth that are consistent with", _3488)
   Exit: (214) [system] string_concat(t, "o a given depth that are consistent with", "to a given depth that are consistent with")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "to a given depth that are consistent with")
   Call: (213) [system] string_concat(' ', "to a given depth that are consistent with", _3484)
   Exit: (213) [system] string_concat(' ', "to a given depth that are consistent with", " to a given depth that are consistent with")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), " to a given depth that are consistent with")
   Call: (212) [system] string_concat(p, " to a given depth that are consistent with", _3480)
   Exit: (212) [system] string_concat(p, " to a given depth that are consistent with", "p to a given depth that are consistent with")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "p to a given depth that are consistent with")
   Call: (211) [system] string_concat(u, "p to a given depth that are consistent with", _3476)
   Exit: (211) [system] string_concat(u, "p to a given depth that are consistent with", "up to a given depth that are consistent with")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "up to a given depth that are consistent with")
   Call: (210) [system] string_concat(' ', "up to a given depth that are consistent with", _3472)
   Exit: (210) [system] string_concat(' ', "up to a given depth that are consistent with", " up to a given depth that are consistent with")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), " up to a given depth that are consistent with")
   Call: (209) [system] string_concat(s, " up to a given depth that are consistent with", _3468)
   Exit: (209) [system] string_concat(s, " up to a given depth that are consistent with", "s up to a given depth that are consistent with")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "s up to a given depth that are consistent with")
   Call: (208) [system] string_concat(m, "s up to a given depth that are consistent with", _3464)
   Exit: (208) [system] string_concat(m, "s up to a given depth that are consistent with", "ms up to a given depth that are consistent with")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "ms up to a given depth that are consistent with")
   Call: (207) [system] string_concat(a, "ms up to a given depth that are consistent with", _3460)
   Exit: (207) [system] string_concat(a, "ms up to a given depth that are consistent with", "ams up to a given depth that are consistent with")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "ams up to a given depth that are consistent with")
   Call: (206) [system] string_concat(r, "ams up to a given depth that are consistent with", _3456)
   Exit: (206) [system] string_concat(r, "ams up to a given depth that are consistent with", "rams up to a given depth that are consistent with")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "rams up to a given depth that are consistent with")
   Call: (205) [system] string_concat(g, "rams up to a given depth that are consistent with", _3452)
   Exit: (205) [system] string_concat(g, "rams up to a given depth that are consistent with", "grams up to a given depth that are consistent with")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "grams up to a given depth that are consistent with")
   Call: (204) [system] string_concat(o, "grams up to a given depth that are consistent with", _3448)
   Exit: (204) [system] string_concat(o, "grams up to a given depth that are consistent with", "ograms up to a given depth that are consistent with")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "ograms up to a given depth that are consistent with")
   Call: (203) [system] string_concat(r, "ograms up to a given depth that are consistent with", _3444)
   Exit: (203) [system] string_concat(r, "ograms up to a given depth that are consistent with", "rograms up to a given depth that are consistent with")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "rograms up to a given depth that are consistent with")
   Call: (202) [system] string_concat(p, "rograms up to a given depth that are consistent with", _3440)
   Exit: (202) [system] string_concat(p, "rograms up to a given depth that are consistent with", "programs up to a given depth that are consistent with")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "programs up to a given depth that are consistent with")
   Call: (201) [system] string_concat(' ', "programs up to a given depth that are consistent with", _3436)
   Exit: (201) [system] string_concat(' ', "programs up to a given depth that are consistent with", " programs up to a given depth that are consistent with")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), " programs up to a given depth that are consistent with")
   Call: (200) [system] string_concat(l, " programs up to a given depth that are consistent with", _3432)
   Exit: (200) [system] string_concat(l, " programs up to a given depth that are consistent with", "l programs up to a given depth that are consistent with")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "l programs up to a given depth that are consistent with")
   Call: (199) [system] string_concat(l, "l programs up to a given depth that are consistent with", _3428)
   Exit: (199) [system] string_concat(l, "l programs up to a given depth that are consistent with", "ll programs up to a given depth that are consistent with")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "ll programs up to a given depth that are consistent with")
   Call: (198) [system] string_concat(a, "ll programs up to a given depth that are consistent with", _3424)
   Exit: (198) [system] string_concat(a, "ll programs up to a given depth that are consistent with", "all programs up to a given depth that are consistent with")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "all programs up to a given depth that are consistent with")
   Call: (197) [system] string_concat(' ', "all programs up to a given depth that are consistent with", _3420)
   Exit: (197) [system] string_concat(' ', "all programs up to a given depth that are consistent with", " all programs up to a given depth that are consistent with")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), " all programs up to a given depth that are consistent with")
   Call: (196) [system] string_concat(e, " all programs up to a given depth that are consistent with", _3416)
   Exit: (196) [system] string_concat(e, " all programs up to a given depth that are consistent with", "e all programs up to a given depth that are consistent with")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "e all programs up to a given depth that are consistent with")
   Call: (195) [system] string_concat(t, "e all programs up to a given depth that are consistent with", _3412)
   Exit: (195) [system] string_concat(t, "e all programs up to a given depth that are consistent with", "te all programs up to a given depth that are consistent with")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "te all programs up to a given depth that are consistent with")
   Call: (194) [system] string_concat(a, "te all programs up to a given depth that are consistent with", _3408)
   Exit: (194) [system] string_concat(a, "te all programs up to a given depth that are consistent with", "ate all programs up to a given depth that are consistent with")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "ate all programs up to a given depth that are consistent with")
   Call: (193) [system] string_concat(r, "ate all programs up to a given depth that are consistent with", _3404)
   Exit: (193) [system] string_concat(r, "ate all programs up to a given depth that are consistent with", "rate all programs up to a given depth that are consistent with")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "rate all programs up to a given depth that are consistent with")
   Call: (192) [system] string_concat(e, "rate all programs up to a given depth that are consistent with", _3400)
   Exit: (192) [system] string_concat(e, "rate all programs up to a given depth that are consistent with", "erate all programs up to a given depth that are consistent with")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "erate all programs up to a given depth that are consistent with")
   Call: (191) [system] string_concat(m, "erate all programs up to a given depth that are consistent with", _3396)
   Exit: (191) [system] string_concat(m, "erate all programs up to a given depth that are consistent with", "merate all programs up to a given depth that are consistent with")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "merate all programs up to a given depth that are consistent with")
   Call: (190) [system] string_concat(u, "merate all programs up to a given depth that are consistent with", _3392)
   Exit: (190) [system] string_concat(u, "merate all programs up to a given depth that are consistent with", "umerate all programs up to a given depth that are consistent with")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "umerate all programs up to a given depth that are consistent with")
   Call: (189) [system] string_concat(n, "umerate all programs up to a given depth that are consistent with", _3388)
   Exit: (189) [system] string_concat(n, "umerate all programs up to a given depth that are consistent with", "numerate all programs up to a given depth that are consistent with")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "numerate all programs up to a given depth that are consistent with")
   Call: (188) [system] string_concat('E', "numerate all programs up to a given depth that are consistent with", _3384)
   Exit: (188) [system] string_concat('E', "numerate all programs up to a given depth that are consistent with", "Enumerate all programs up to a given depth that are consistent with")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "Enumerate all programs up to a given depth that are consistent with")
   Call: (187) [system] string_concat(' ', "Enumerate all programs up to a given depth that are consistent with", _3380)
   Exit: (187) [system] string_concat(' ', "Enumerate all programs up to a given depth that are consistent with", " Enumerate all programs up to a given depth that are consistent with")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), " Enumerate all programs up to a given depth that are consistent with")
   Call: (186) [system] string_concat(;, " Enumerate all programs up to a given depth that are consistent with", _3376)
   Exit: (186) [system] string_concat(;, " Enumerate all programs up to a given depth that are consistent with", "; Enumerate all programs up to a given depth that are consistent with")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), "; Enumerate all programs up to a given depth that are consistent with")
   Call: (185) [system] string_concat(;, "; Enumerate all programs up to a given depth that are consistent with", _3372)
   Exit: (185) [system] string_concat(;, "; Enumerate all programs up to a given depth that are consistent with", ";; Enumerate all programs up to a given depth that are consistent with")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), ";; Enumerate all programs up to a given depth that are consistent with")
^  Call: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (183) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _346386)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_comment((0x558d99e6bec0))
^  Call: (185) [user] read_position((0x558d99e6bec0), _351024, _351026, _351028, _351030)
   Call: (186) [system] stream_property((0x558d99e6bec0), position(_351030))
   Call: (187) [system] nonvar((0x558d99e6bec0))
   Exit: (187) [system] nonvar((0x558d99e6bec0))
   Call: (187) [system] nonvar(position(_351030))
   Exit: (187) [system] nonvar(position(_351030))
   Exit: (186) [system] stream_property((0x558d99e6bec0), position('$stream_position'(438, 19, 0, 438)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), _351024)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _360318)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), _351024)
   Exit: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), 19)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), 19)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), _351026)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _367752)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), _351026)
   Exit: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), _351028)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _375186)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), _351028)
   Exit: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), 438)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), 438)
^  Exit: (185) [user] read_position((0x558d99e6bec0), 19, 0, 438, '$stream_position'(438, 19, 0, 438))
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _380780)
   Call: (186) [system] get_char((0x558d99e6bec0), _381710)
   Exit: (186) [system] get_char((0x558d99e6bec0), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Fail: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
   Fail: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _387280)
   Call: (187) [system] get_char((0x558d99e6bec0), _388210)
   Exit: (187) [system] get_char((0x558d99e6bec0), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Fail: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
   Fail: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _393780)
   Call: (188) [system] get_char((0x558d99e6bec0), _394710)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
   Call: (188) [system] char_type(' ', end_of_line)
   Fail: (188) [system] char_type(' ', end_of_line)
   Call: (188) [system] ' '=end_of_file
   Fail: (188) [system] ' '=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _400280)
   Call: (189) [system] get_char((0x558d99e6bec0), _401210)
   Exit: (189) [system] get_char((0x558d99e6bec0), t)
   Call: (189) [system] char_type(t, end_of_line)
   Fail: (189) [system] char_type(t, end_of_line)
   Call: (189) [system] t=end_of_file
   Fail: (189) [system] t=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _406780)
   Call: (190) [system] get_char((0x558d99e6bec0), _407710)
   Exit: (190) [system] get_char((0x558d99e6bec0), h)
   Call: (190) [system] char_type(h, end_of_line)
   Fail: (190) [system] char_type(h, end_of_line)
   Call: (190) [system] h=end_of_file
   Fail: (190) [system] h=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _413280)
   Call: (191) [system] get_char((0x558d99e6bec0), _414210)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] char_type(e, end_of_line)
   Fail: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
   Fail: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _419780)
   Call: (192) [system] get_char((0x558d99e6bec0), _420710)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Fail: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
   Fail: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _426280)
   Call: (193) [system] get_char((0x558d99e6bec0), _427210)
   Exit: (193) [system] get_char((0x558d99e6bec0), q)
   Call: (193) [system] char_type(q, end_of_line)
   Fail: (193) [system] char_type(q, end_of_line)
   Call: (193) [system] q=end_of_file
   Fail: (193) [system] q=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _432780)
   Call: (194) [system] get_char((0x558d99e6bec0), _433710)
   Exit: (194) [system] get_char((0x558d99e6bec0), u)
   Call: (194) [system] char_type(u, end_of_line)
   Fail: (194) [system] char_type(u, end_of_line)
   Call: (194) [system] u=end_of_file
   Fail: (194) [system] u=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _439280)
   Call: (195) [system] get_char((0x558d99e6bec0), _440210)
   Exit: (195) [system] get_char((0x558d99e6bec0), e)
   Call: (195) [system] char_type(e, end_of_line)
   Fail: (195) [system] char_type(e, end_of_line)
   Call: (195) [system] e=end_of_file
   Fail: (195) [system] e=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _445780)
   Call: (196) [system] get_char((0x558d99e6bec0), _446710)
   Exit: (196) [system] get_char((0x558d99e6bec0), r)
   Call: (196) [system] char_type(r, end_of_line)
   Fail: (196) [system] char_type(r, end_of_line)
   Call: (196) [system] r=end_of_file
   Fail: (196) [system] r=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _452280)
   Call: (197) [system] get_char((0x558d99e6bec0), _453210)
   Exit: (197) [system] get_char((0x558d99e6bec0), y)
   Call: (197) [system] char_type(y, end_of_line)
   Fail: (197) [system] char_type(y, end_of_line)
   Call: (197) [system] y=end_of_file
   Fail: (197) [system] y=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _458780)
   Call: (198) [system] get_char((0x558d99e6bec0), _459710)
   Exit: (198) [system] get_char((0x558d99e6bec0), '\n')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
   Call: (198) [system] _458780=""
   Exit: (198) [system] ""=""
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (197) [system] string_concat(y, "", _452280)
   Exit: (197) [system] string_concat(y, "", "y")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "y")
   Call: (196) [system] string_concat(r, "y", _445780)
   Exit: (196) [system] string_concat(r, "y", "ry")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "ry")
   Call: (195) [system] string_concat(e, "ry", _439280)
   Exit: (195) [system] string_concat(e, "ry", "ery")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ery")
   Call: (194) [system] string_concat(u, "ery", _432780)
   Exit: (194) [system] string_concat(u, "ery", "uery")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "uery")
   Call: (193) [system] string_concat(q, "uery", _426280)
   Exit: (193) [system] string_concat(q, "uery", "query")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "query")
   Call: (192) [system] string_concat(' ', "query", _419780)
   Exit: (192) [system] string_concat(' ', "query", " query")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), " query")
   Call: (191) [system] string_concat(e, " query", _413280)
   Exit: (191) [system] string_concat(e, " query", "e query")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "e query")
   Call: (190) [system] string_concat(h, "e query", _406780)
   Exit: (190) [system] string_concat(h, "e query", "he query")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "he query")
   Call: (189) [system] string_concat(t, "he query", _400280)
   Exit: (189) [system] string_concat(t, "he query", "the query")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "the query")
   Call: (188) [system] string_concat(' ', "the query", _393780)
   Exit: (188) [system] string_concat(' ', "the query", " the query")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), " the query")
   Call: (187) [system] string_concat(;, " the query", _387280)
   Exit: (187) [system] string_concat(;, " the query", "; the query")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "; the query")
   Call: (186) [system] string_concat(;, "; the query", _380780)
   Exit: (186) [system] string_concat(;, "; the query", ";; the query")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), ";; the query")
^  Call: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (184) [user] read_comment((0x558d99e6bec0))
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _503530)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_comment((0x558d99e6bec0))
^  Call: (186) [user] read_position((0x558d99e6bec0), _508168, _508170, _508172, _508174)
   Call: (187) [system] stream_property((0x558d99e6bec0), position(_508174))
   Call: (188) [system] nonvar((0x558d99e6bec0))
   Exit: (188) [system] nonvar((0x558d99e6bec0))
   Call: (188) [system] nonvar(position(_508174))
   Exit: (188) [system] nonvar(position(_508174))
   Exit: (187) [system] stream_property((0x558d99e6bec0), position('$stream_position'(451, 20, 0, 451)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), _508168)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _517462)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), _508168)
   Exit: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), 20)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), 20)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), _508170)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _524896)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), _508170)
   Exit: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), _508172)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _532330)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), _508172)
   Exit: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), 451)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), 451)
^  Exit: (186) [user] read_position((0x558d99e6bec0), 20, 0, 451, '$stream_position'(451, 20, 0, 451))
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _537924)
   Call: (187) [system] get_char((0x558d99e6bec0), _538854)
   Exit: (187) [system] get_char((0x558d99e6bec0), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Fail: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
   Fail: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _544424)
   Call: (188) [system] get_char((0x558d99e6bec0), _545354)
   Exit: (188) [system] get_char((0x558d99e6bec0), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Fail: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
   Fail: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _550924)
   Call: (189) [system] get_char((0x558d99e6bec0), _551854)
   Exit: (189) [system] get_char((0x558d99e6bec0), '\t')
   Call: (189) [system] char_type('\t', end_of_line)
   Fail: (189) [system] char_type('\t', end_of_line)
   Call: (189) [system] '\t'=end_of_file
   Fail: (189) [system] '\t'=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _557424)
   Call: (190) [system] get_char((0x558d99e6bec0), _558354)
   Exit: (190) [system] get_char((0x558d99e6bec0), '\t')
   Call: (190) [system] char_type('\t', end_of_line)
   Fail: (190) [system] char_type('\t', end_of_line)
   Call: (190) [system] '\t'=end_of_file
   Fail: (190) [system] '\t'=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _563924)
   Call: (191) [system] get_char((0x558d99e6bec0), _564854)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Fail: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
   Fail: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _570424)
   Call: (192) [system] get_char((0x558d99e6bec0), _571354)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] char_type(u, end_of_line)
   Fail: (192) [system] char_type(u, end_of_line)
   Call: (192) [system] u=end_of_file
   Fail: (192) [system] u=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _576924)
   Call: (193) [system] get_char((0x558d99e6bec0), _577854)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] char_type(s, end_of_line)
   Fail: (193) [system] char_type(s, end_of_line)
   Call: (193) [system] s=end_of_file
   Fail: (193) [system] s=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _583424)
   Call: (194) [system] get_char((0x558d99e6bec0), _584354)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] char_type(i, end_of_line)
   Fail: (194) [system] char_type(i, end_of_line)
   Call: (194) [system] i=end_of_file
   Fail: (194) [system] i=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _589924)
   Call: (195) [system] get_char((0x558d99e6bec0), _590854)
   Exit: (195) [system] get_char((0x558d99e6bec0), n)
   Call: (195) [system] char_type(n, end_of_line)
   Fail: (195) [system] char_type(n, end_of_line)
   Call: (195) [system] n=end_of_file
   Fail: (195) [system] n=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _596424)
   Call: (196) [system] get_char((0x558d99e6bec0), _597354)
   Exit: (196) [system] get_char((0x558d99e6bec0), g)
   Call: (196) [system] char_type(g, end_of_line)
   Fail: (196) [system] char_type(g, end_of_line)
   Call: (196) [system] g=end_of_file
   Fail: (196) [system] g=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _602924)
   Call: (197) [system] get_char((0x558d99e6bec0), _603854)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _609424)
   Call: (198) [system] get_char((0x558d99e6bec0), _610354)
   Exit: (198) [system] get_char((0x558d99e6bec0), t)
   Call: (198) [system] char_type(t, end_of_line)
   Fail: (198) [system] char_type(t, end_of_line)
   Call: (198) [system] t=end_of_file
   Fail: (198) [system] t=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _615924)
   Call: (199) [system] get_char((0x558d99e6bec0), _616854)
   Exit: (199) [system] get_char((0x558d99e6bec0), h)
   Call: (199) [system] char_type(h, end_of_line)
   Fail: (199) [system] char_type(h, end_of_line)
   Call: (199) [system] h=end_of_file
   Fail: (199) [system] h=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _622424)
   Call: (200) [system] get_char((0x558d99e6bec0), _623354)
   Exit: (200) [system] get_char((0x558d99e6bec0), e)
   Call: (200) [system] char_type(e, end_of_line)
   Fail: (200) [system] char_type(e, end_of_line)
   Call: (200) [system] e=end_of_file
   Fail: (200) [system] e=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _628924)
   Call: (201) [system] get_char((0x558d99e6bec0), _629854)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _635424)
   Call: (202) [system] get_char((0x558d99e6bec0), _636354)
   Exit: (202) [system] get_char((0x558d99e6bec0), g)
   Call: (202) [system] char_type(g, end_of_line)
   Fail: (202) [system] char_type(g, end_of_line)
   Call: (202) [system] g=end_of_file
   Fail: (202) [system] g=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _641924)
   Call: (203) [system] get_char((0x558d99e6bec0), _642854)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] char_type(i, end_of_line)
   Fail: (203) [system] char_type(i, end_of_line)
   Call: (203) [system] i=end_of_file
   Fail: (203) [system] i=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _648424)
   Call: (204) [system] get_char((0x558d99e6bec0), _649354)
   Exit: (204) [system] get_char((0x558d99e6bec0), v)
   Call: (204) [system] char_type(v, end_of_line)
   Fail: (204) [system] char_type(v, end_of_line)
   Call: (204) [system] v=end_of_file
   Fail: (204) [system] v=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _654924)
   Call: (205) [system] get_char((0x558d99e6bec0), _655854)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] char_type(e, end_of_line)
   Fail: (205) [system] char_type(e, end_of_line)
   Call: (205) [system] e=end_of_file
   Fail: (205) [system] e=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _661424)
   Call: (206) [system] get_char((0x558d99e6bec0), _662354)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] char_type(n, end_of_line)
   Fail: (206) [system] char_type(n, end_of_line)
   Call: (206) [system] n=end_of_file
   Fail: (206) [system] n=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _667924)
   Call: (207) [system] get_char((0x558d99e6bec0), _668854)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _674424)
   Call: (208) [system] get_char((0x558d99e6bec0), _675354)
   Exit: (208) [system] get_char((0x558d99e6bec0), a)
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _680924)
   Call: (209) [system] get_char((0x558d99e6bec0), _681854)
   Exit: (209) [system] get_char((0x558d99e6bec0), x)
   Call: (209) [system] char_type(x, end_of_line)
   Fail: (209) [system] char_type(x, end_of_line)
   Call: (209) [system] x=end_of_file
   Fail: (209) [system] x=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _687424)
   Call: (210) [system] get_char((0x558d99e6bec0), _688354)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] char_type(i, end_of_line)
   Fail: (210) [system] char_type(i, end_of_line)
   Call: (210) [system] i=end_of_file
   Fail: (210) [system] i=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _693924)
   Call: (211) [system] get_char((0x558d99e6bec0), _694854)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] char_type(o, end_of_line)
   Fail: (211) [system] char_type(o, end_of_line)
   Call: (211) [system] o=end_of_file
   Fail: (211) [system] o=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _700424)
   Call: (212) [system] get_char((0x558d99e6bec0), _701354)
   Exit: (212) [system] get_char((0x558d99e6bec0), m)
   Call: (212) [system] char_type(m, end_of_line)
   Fail: (212) [system] char_type(m, end_of_line)
   Call: (212) [system] m=end_of_file
   Fail: (212) [system] m=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _706924)
   Call: (213) [system] get_char((0x558d99e6bec0), _707854)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _713424)
   Call: (214) [system] get_char((0x558d99e6bec0), _714354)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] char_type(n, end_of_line)
   Fail: (214) [system] char_type(n, end_of_line)
   Call: (214) [system] n=end_of_file
   Fail: (214) [system] n=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _719924)
   Call: (215) [system] get_char((0x558d99e6bec0), _720854)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] char_type(o, end_of_line)
   Fail: (215) [system] char_type(o, end_of_line)
   Call: (215) [system] o=end_of_file
   Fail: (215) [system] o=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _726424)
   Call: (216) [system] get_char((0x558d99e6bec0), _727354)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] char_type(n, end_of_line)
   Fail: (216) [system] char_type(n, end_of_line)
   Call: (216) [system] n=end_of_file
   Fail: (216) [system] n=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _732924)
   Call: (217) [system] get_char((0x558d99e6bec0), _733854)
   Exit: (217) [system] get_char((0x558d99e6bec0), -)
   Call: (217) [system] char_type(-, end_of_line)
   Fail: (217) [system] char_type(-, end_of_line)
   Call: (217) [system] (-)=end_of_file
   Fail: (217) [system] (-)=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _739424)
   Call: (218) [system] get_char((0x558d99e6bec0), _740354)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] char_type(d, end_of_line)
   Fail: (218) [system] char_type(d, end_of_line)
   Call: (218) [system] d=end_of_file
   Fail: (218) [system] d=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _745924)
   Call: (219) [system] get_char((0x558d99e6bec0), _746854)
   Exit: (219) [system] get_char((0x558d99e6bec0), e)
   Call: (219) [system] char_type(e, end_of_line)
   Fail: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
   Fail: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _752424)
   Call: (220) [system] get_char((0x558d99e6bec0), _753354)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] char_type(t, end_of_line)
   Fail: (220) [system] char_type(t, end_of_line)
   Call: (220) [system] t=end_of_file
   Fail: (220) [system] t=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _758924)
   Call: (221) [system] get_char((0x558d99e6bec0), _759854)
   Exit: (221) [system] get_char((0x558d99e6bec0), e)
   Call: (221) [system] char_type(e, end_of_line)
   Fail: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
   Fail: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _765424)
   Call: (222) [system] get_char((0x558d99e6bec0), _766354)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] char_type(r, end_of_line)
   Fail: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
   Fail: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _771924)
   Call: (223) [system] get_char((0x558d99e6bec0), _772854)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] char_type(m, end_of_line)
   Fail: (223) [system] char_type(m, end_of_line)
   Call: (223) [system] m=end_of_file
   Fail: (223) [system] m=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _778424)
   Call: (224) [system] get_char((0x558d99e6bec0), _779354)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] char_type(i, end_of_line)
   Fail: (224) [system] char_type(i, end_of_line)
   Call: (224) [system] i=end_of_file
   Fail: (224) [system] i=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _784924)
   Call: (225) [system] get_char((0x558d99e6bec0), _785854)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] char_type(n, end_of_line)
   Fail: (225) [system] char_type(n, end_of_line)
   Call: (225) [system] n=end_of_file
   Fail: (225) [system] n=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _791424)
   Call: (226) [system] get_char((0x558d99e6bec0), _792354)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] char_type(i, end_of_line)
   Fail: (226) [system] char_type(i, end_of_line)
   Call: (226) [system] i=end_of_file
   Fail: (226) [system] i=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _797924)
   Call: (227) [system] get_char((0x558d99e6bec0), _798854)
   Exit: (227) [system] get_char((0x558d99e6bec0), s)
   Call: (227) [system] char_type(s, end_of_line)
   Fail: (227) [system] char_type(s, end_of_line)
   Call: (227) [system] s=end_of_file
   Fail: (227) [system] s=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _804424)
   Call: (228) [system] get_char((0x558d99e6bec0), _805354)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] char_type(t, end_of_line)
   Fail: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
   Fail: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _810924)
   Call: (229) [system] get_char((0x558d99e6bec0), _811854)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] char_type(i, end_of_line)
   Fail: (229) [system] char_type(i, end_of_line)
   Call: (229) [system] i=end_of_file
   Fail: (229) [system] i=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _817424)
   Call: (230) [system] get_char((0x558d99e6bec0), _818354)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] char_type(c, end_of_line)
   Fail: (230) [system] char_type(c, end_of_line)
   Call: (230) [system] c=end_of_file
   Fail: (230) [system] c=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _823924)
   Call: (231) [system] get_char((0x558d99e6bec0), _824854)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Fail: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
   Fail: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _830424)
   Call: (232) [system] get_char((0x558d99e6bec0), _831354)
   Exit: (232) [system] get_char((0x558d99e6bec0), f)
   Call: (232) [system] char_type(f, end_of_line)
   Fail: (232) [system] char_type(f, end_of_line)
   Call: (232) [system] f=end_of_file
   Fail: (232) [system] f=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _836924)
   Call: (233) [system] get_char((0x558d99e6bec0), _837854)
   Exit: (233) [system] get_char((0x558d99e6bec0), u)
   Call: (233) [system] char_type(u, end_of_line)
   Fail: (233) [system] char_type(u, end_of_line)
   Call: (233) [system] u=end_of_file
   Fail: (233) [system] u=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _843424)
   Call: (234) [system] get_char((0x558d99e6bec0), _844354)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] char_type(n, end_of_line)
   Fail: (234) [system] char_type(n, end_of_line)
   Call: (234) [system] n=end_of_file
   Fail: (234) [system] n=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _849924)
   Call: (235) [system] get_char((0x558d99e6bec0), _850854)
   Exit: (235) [system] get_char((0x558d99e6bec0), c)
   Call: (235) [system] char_type(c, end_of_line)
   Fail: (235) [system] char_type(c, end_of_line)
   Call: (235) [system] c=end_of_file
   Fail: (235) [system] c=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _856424)
   Call: (236) [system] get_char((0x558d99e6bec0), _857354)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] char_type(t, end_of_line)
   Fail: (236) [system] char_type(t, end_of_line)
   Call: (236) [system] t=end_of_file
   Fail: (236) [system] t=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _862924)
   Call: (237) [system] get_char((0x558d99e6bec0), _863854)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] char_type(i, end_of_line)
   Fail: (237) [system] char_type(i, end_of_line)
   Call: (237) [system] i=end_of_file
   Fail: (237) [system] i=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _869424)
   Call: (238) [system] get_char((0x558d99e6bec0), _870354)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] char_type(o, end_of_line)
   Fail: (238) [system] char_type(o, end_of_line)
   Call: (238) [system] o=end_of_file
   Fail: (238) [system] o=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _875924)
   Call: (239) [system] get_char((0x558d99e6bec0), _876854)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] char_type(n, end_of_line)
   Fail: (239) [system] char_type(n, end_of_line)
   Call: (239) [system] n=end_of_file
   Fail: (239) [system] n=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _882424)
   Call: (240) [system] get_char((0x558d99e6bec0), _883354)
   Exit: (240) [system] get_char((0x558d99e6bec0), s)
   Call: (240) [system] char_type(s, end_of_line)
   Fail: (240) [system] char_type(s, end_of_line)
   Call: (240) [system] s=end_of_file
   Fail: (240) [system] s=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _888924)
   Call: (241) [system] get_char((0x558d99e6bec0), _889854)
   Exit: (241) [system] get_char((0x558d99e6bec0), ' ')
   Call: (241) [system] char_type(' ', end_of_line)
   Fail: (241) [system] char_type(' ', end_of_line)
   Call: (241) [system] ' '=end_of_file
   Fail: (241) [system] ' '=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _895424)
   Call: (242) [system] get_char((0x558d99e6bec0), _896354)
   Exit: (242) [system] get_char((0x558d99e6bec0), a)
   Call: (242) [system] char_type(a, end_of_line)
   Fail: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] a=end_of_file
   Fail: (242) [system] a=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _901924)
   Call: (243) [system] get_char((0x558d99e6bec0), _902854)
   Exit: (243) [system] get_char((0x558d99e6bec0), n)
   Call: (243) [system] char_type(n, end_of_line)
   Fail: (243) [system] char_type(n, end_of_line)
   Call: (243) [system] n=end_of_file
   Fail: (243) [system] n=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _908424)
   Call: (244) [system] get_char((0x558d99e6bec0), _909354)
   Exit: (244) [system] get_char((0x558d99e6bec0), d)
   Call: (244) [system] char_type(d, end_of_line)
   Fail: (244) [system] char_type(d, end_of_line)
   Call: (244) [system] d=end_of_file
   Fail: (244) [system] d=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _914924)
   Call: (245) [system] get_char((0x558d99e6bec0), _915854)
   Exit: (245) [system] get_char((0x558d99e6bec0), ' ')
   Call: (245) [system] char_type(' ', end_of_line)
   Fail: (245) [system] char_type(' ', end_of_line)
   Call: (245) [system] ' '=end_of_file
   Fail: (245) [system] ' '=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _921424)
   Call: (246) [system] get_char((0x558d99e6bec0), _922354)
   Exit: (246) [system] get_char((0x558d99e6bec0), r)
   Call: (246) [system] char_type(r, end_of_line)
   Fail: (246) [system] char_type(r, end_of_line)
   Call: (246) [system] r=end_of_file
   Fail: (246) [system] r=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _927924)
   Call: (247) [system] get_char((0x558d99e6bec0), _928854)
   Exit: (247) [system] get_char((0x558d99e6bec0), u)
   Call: (247) [system] char_type(u, end_of_line)
   Fail: (247) [system] char_type(u, end_of_line)
   Call: (247) [system] u=end_of_file
   Fail: (247) [system] u=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _934424)
   Call: (248) [system] get_char((0x558d99e6bec0), _935354)
   Exit: (248) [system] get_char((0x558d99e6bec0), l)
   Call: (248) [system] char_type(l, end_of_line)
   Fail: (248) [system] char_type(l, end_of_line)
   Call: (248) [system] l=end_of_file
   Fail: (248) [system] l=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _940924)
   Call: (249) [system] get_char((0x558d99e6bec0), _941854)
   Exit: (249) [system] get_char((0x558d99e6bec0), e)
   Call: (249) [system] char_type(e, end_of_line)
   Fail: (249) [system] char_type(e, end_of_line)
   Call: (249) [system] e=end_of_file
   Fail: (249) [system] e=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _947424)
   Call: (250) [system] get_char((0x558d99e6bec0), _948354)
   Exit: (250) [system] get_char((0x558d99e6bec0), s)
   Call: (250) [system] char_type(s, end_of_line)
   Fail: (250) [system] char_type(s, end_of_line)
   Call: (250) [system] s=end_of_file
   Fail: (250) [system] s=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _953924)
   Call: (251) [system] get_char((0x558d99e6bec0), _954854)
   Exit: (251) [system] get_char((0x558d99e6bec0), '.')
   Call: (251) [system] char_type('.', end_of_line)
   Fail: (251) [system] char_type('.', end_of_line)
   Call: (251) [system] ('.')=end_of_file
   Fail: (251) [system] ('.')=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _960424)
   Call: (252) [system] get_char((0x558d99e6bec0), _961354)
   Exit: (252) [system] get_char((0x558d99e6bec0), '\n')
   Call: (252) [system] char_type('\n', end_of_line)
   Exit: (252) [system] char_type('\n', end_of_line)
   Call: (252) [system] _960424=""
   Exit: (252) [system] ""=""
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (251) [system] string_concat('.', "", _953924)
   Exit: (251) [system] string_concat('.', "", ".")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), ".")
   Call: (250) [system] string_concat(s, ".", _947424)
   Exit: (250) [system] string_concat(s, ".", "s.")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "s.")
   Call: (249) [system] string_concat(e, "s.", _940924)
   Exit: (249) [system] string_concat(e, "s.", "es.")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "es.")
   Call: (248) [system] string_concat(l, "es.", _934424)
   Exit: (248) [system] string_concat(l, "es.", "les.")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "les.")
   Call: (247) [system] string_concat(u, "les.", _927924)
   Exit: (247) [system] string_concat(u, "les.", "ules.")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "ules.")
   Call: (246) [system] string_concat(r, "ules.", _921424)
   Exit: (246) [system] string_concat(r, "ules.", "rules.")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "rules.")
   Call: (245) [system] string_concat(' ', "rules.", _914924)
   Exit: (245) [system] string_concat(' ', "rules.", " rules.")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), " rules.")
   Call: (244) [system] string_concat(d, " rules.", _908424)
   Exit: (244) [system] string_concat(d, " rules.", "d rules.")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "d rules.")
   Call: (243) [system] string_concat(n, "d rules.", _901924)
   Exit: (243) [system] string_concat(n, "d rules.", "nd rules.")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "nd rules.")
   Call: (242) [system] string_concat(a, "nd rules.", _895424)
   Exit: (242) [system] string_concat(a, "nd rules.", "and rules.")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "and rules.")
   Call: (241) [system] string_concat(' ', "and rules.", _888924)
   Exit: (241) [system] string_concat(' ', "and rules.", " and rules.")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), " and rules.")
   Call: (240) [system] string_concat(s, " and rules.", _882424)
   Exit: (240) [system] string_concat(s, " and rules.", "s and rules.")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "s and rules.")
   Call: (239) [system] string_concat(n, "s and rules.", _875924)
   Exit: (239) [system] string_concat(n, "s and rules.", "ns and rules.")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "ns and rules.")
   Call: (238) [system] string_concat(o, "ns and rules.", _869424)
   Exit: (238) [system] string_concat(o, "ns and rules.", "ons and rules.")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "ons and rules.")
   Call: (237) [system] string_concat(i, "ons and rules.", _862924)
   Exit: (237) [system] string_concat(i, "ons and rules.", "ions and rules.")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "ions and rules.")
   Call: (236) [system] string_concat(t, "ions and rules.", _856424)
   Exit: (236) [system] string_concat(t, "ions and rules.", "tions and rules.")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "tions and rules.")
   Call: (235) [system] string_concat(c, "tions and rules.", _849924)
   Exit: (235) [system] string_concat(c, "tions and rules.", "ctions and rules.")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "ctions and rules.")
   Call: (234) [system] string_concat(n, "ctions and rules.", _843424)
   Exit: (234) [system] string_concat(n, "ctions and rules.", "nctions and rules.")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "nctions and rules.")
   Call: (233) [system] string_concat(u, "nctions and rules.", _836924)
   Exit: (233) [system] string_concat(u, "nctions and rules.", "unctions and rules.")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "unctions and rules.")
   Call: (232) [system] string_concat(f, "unctions and rules.", _830424)
   Exit: (232) [system] string_concat(f, "unctions and rules.", "functions and rules.")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "functions and rules.")
   Call: (231) [system] string_concat(' ', "functions and rules.", _823924)
   Exit: (231) [system] string_concat(' ', "functions and rules.", " functions and rules.")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), " functions and rules.")
   Call: (230) [system] string_concat(c, " functions and rules.", _817424)
   Exit: (230) [system] string_concat(c, " functions and rules.", "c functions and rules.")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "c functions and rules.")
   Call: (229) [system] string_concat(i, "c functions and rules.", _810924)
   Exit: (229) [system] string_concat(i, "c functions and rules.", "ic functions and rules.")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "ic functions and rules.")
   Call: (228) [system] string_concat(t, "ic functions and rules.", _804424)
   Exit: (228) [system] string_concat(t, "ic functions and rules.", "tic functions and rules.")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "tic functions and rules.")
   Call: (227) [system] string_concat(s, "tic functions and rules.", _797924)
   Exit: (227) [system] string_concat(s, "tic functions and rules.", "stic functions and rules.")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "stic functions and rules.")
   Call: (226) [system] string_concat(i, "stic functions and rules.", _791424)
   Exit: (226) [system] string_concat(i, "stic functions and rules.", "istic functions and rules.")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "istic functions and rules.")
   Call: (225) [system] string_concat(n, "istic functions and rules.", _784924)
   Exit: (225) [system] string_concat(n, "istic functions and rules.", "nistic functions and rules.")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "nistic functions and rules.")
   Call: (224) [system] string_concat(i, "nistic functions and rules.", _778424)
   Exit: (224) [system] string_concat(i, "nistic functions and rules.", "inistic functions and rules.")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "inistic functions and rules.")
   Call: (223) [system] string_concat(m, "inistic functions and rules.", _771924)
   Exit: (223) [system] string_concat(m, "inistic functions and rules.", "ministic functions and rules.")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ministic functions and rules.")
   Call: (222) [system] string_concat(r, "ministic functions and rules.", _765424)
   Exit: (222) [system] string_concat(r, "ministic functions and rules.", "rministic functions and rules.")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "rministic functions and rules.")
   Call: (221) [system] string_concat(e, "rministic functions and rules.", _758924)
   Exit: (221) [system] string_concat(e, "rministic functions and rules.", "erministic functions and rules.")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "erministic functions and rules.")
   Call: (220) [system] string_concat(t, "erministic functions and rules.", _752424)
   Exit: (220) [system] string_concat(t, "erministic functions and rules.", "terministic functions and rules.")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "terministic functions and rules.")
   Call: (219) [system] string_concat(e, "terministic functions and rules.", _745924)
   Exit: (219) [system] string_concat(e, "terministic functions and rules.", "eterministic functions and rules.")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "eterministic functions and rules.")
   Call: (218) [system] string_concat(d, "eterministic functions and rules.", _739424)
   Exit: (218) [system] string_concat(d, "eterministic functions and rules.", "deterministic functions and rules.")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "deterministic functions and rules.")
   Call: (217) [system] string_concat(-, "deterministic functions and rules.", _732924)
   Exit: (217) [system] string_concat(-, "deterministic functions and rules.", "-deterministic functions and rules.")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "-deterministic functions and rules.")
   Call: (216) [system] string_concat(n, "-deterministic functions and rules.", _726424)
   Exit: (216) [system] string_concat(n, "-deterministic functions and rules.", "n-deterministic functions and rules.")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "n-deterministic functions and rules.")
   Call: (215) [system] string_concat(o, "n-deterministic functions and rules.", _719924)
   Exit: (215) [system] string_concat(o, "n-deterministic functions and rules.", "on-deterministic functions and rules.")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "on-deterministic functions and rules.")
   Call: (214) [system] string_concat(n, "on-deterministic functions and rules.", _713424)
   Exit: (214) [system] string_concat(n, "on-deterministic functions and rules.", "non-deterministic functions and rules.")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "non-deterministic functions and rules.")
   Call: (213) [system] string_concat(' ', "non-deterministic functions and rules.", _706924)
   Exit: (213) [system] string_concat(' ', "non-deterministic functions and rules.", " non-deterministic functions and rules.")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), " non-deterministic functions and rules.")
   Call: (212) [system] string_concat(m, " non-deterministic functions and rules.", _700424)
   Exit: (212) [system] string_concat(m, " non-deterministic functions and rules.", "m non-deterministic functions and rules.")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "m non-deterministic functions and rules.")
   Call: (211) [system] string_concat(o, "m non-deterministic functions and rules.", _693924)
   Exit: (211) [system] string_concat(o, "m non-deterministic functions and rules.", "om non-deterministic functions and rules.")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "om non-deterministic functions and rules.")
   Call: (210) [system] string_concat(i, "om non-deterministic functions and rules.", _687424)
   Exit: (210) [system] string_concat(i, "om non-deterministic functions and rules.", "iom non-deterministic functions and rules.")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "iom non-deterministic functions and rules.")
   Call: (209) [system] string_concat(x, "iom non-deterministic functions and rules.", _680924)
   Exit: (209) [system] string_concat(x, "iom non-deterministic functions and rules.", "xiom non-deterministic functions and rules.")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "xiom non-deterministic functions and rules.")
   Call: (208) [system] string_concat(a, "xiom non-deterministic functions and rules.", _674424)
   Exit: (208) [system] string_concat(a, "xiom non-deterministic functions and rules.", "axiom non-deterministic functions and rules.")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "axiom non-deterministic functions and rules.")
   Call: (207) [system] string_concat(' ', "axiom non-deterministic functions and rules.", _667924)
   Exit: (207) [system] string_concat(' ', "axiom non-deterministic functions and rules.", " axiom non-deterministic functions and rules.")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), " axiom non-deterministic functions and rules.")
   Call: (206) [system] string_concat(n, " axiom non-deterministic functions and rules.", _661424)
   Exit: (206) [system] string_concat(n, " axiom non-deterministic functions and rules.", "n axiom non-deterministic functions and rules.")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "n axiom non-deterministic functions and rules.")
   Call: (205) [system] string_concat(e, "n axiom non-deterministic functions and rules.", _654924)
   Exit: (205) [system] string_concat(e, "n axiom non-deterministic functions and rules.", "en axiom non-deterministic functions and rules.")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "en axiom non-deterministic functions and rules.")
   Call: (204) [system] string_concat(v, "en axiom non-deterministic functions and rules.", _648424)
   Exit: (204) [system] string_concat(v, "en axiom non-deterministic functions and rules.", "ven axiom non-deterministic functions and rules.")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "ven axiom non-deterministic functions and rules.")
   Call: (203) [system] string_concat(i, "ven axiom non-deterministic functions and rules.", _641924)
   Exit: (203) [system] string_concat(i, "ven axiom non-deterministic functions and rules.", "iven axiom non-deterministic functions and rules.")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "iven axiom non-deterministic functions and rules.")
   Call: (202) [system] string_concat(g, "iven axiom non-deterministic functions and rules.", _635424)
   Exit: (202) [system] string_concat(g, "iven axiom non-deterministic functions and rules.", "given axiom non-deterministic functions and rules.")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "given axiom non-deterministic functions and rules.")
   Call: (201) [system] string_concat(' ', "given axiom non-deterministic functions and rules.", _628924)
   Exit: (201) [system] string_concat(' ', "given axiom non-deterministic functions and rules.", " given axiom non-deterministic functions and rules.")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), " given axiom non-deterministic functions and rules.")
   Call: (200) [system] string_concat(e, " given axiom non-deterministic functions and rules.", _622424)
   Exit: (200) [system] string_concat(e, " given axiom non-deterministic functions and rules.", "e given axiom non-deterministic functions and rules.")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "e given axiom non-deterministic functions and rules.")
   Call: (199) [system] string_concat(h, "e given axiom non-deterministic functions and rules.", _615924)
   Exit: (199) [system] string_concat(h, "e given axiom non-deterministic functions and rules.", "he given axiom non-deterministic functions and rules.")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "he given axiom non-deterministic functions and rules.")
   Call: (198) [system] string_concat(t, "he given axiom non-deterministic functions and rules.", _609424)
   Exit: (198) [system] string_concat(t, "he given axiom non-deterministic functions and rules.", "the given axiom non-deterministic functions and rules.")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "the given axiom non-deterministic functions and rules.")
   Call: (197) [system] string_concat(' ', "the given axiom non-deterministic functions and rules.", _602924)
   Exit: (197) [system] string_concat(' ', "the given axiom non-deterministic functions and rules.", " the given axiom non-deterministic functions and rules.")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), " the given axiom non-deterministic functions and rules.")
   Call: (196) [system] string_concat(g, " the given axiom non-deterministic functions and rules.", _596424)
   Exit: (196) [system] string_concat(g, " the given axiom non-deterministic functions and rules.", "g the given axiom non-deterministic functions and rules.")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "g the given axiom non-deterministic functions and rules.")
   Call: (195) [system] string_concat(n, "g the given axiom non-deterministic functions and rules.", _589924)
   Exit: (195) [system] string_concat(n, "g the given axiom non-deterministic functions and rules.", "ng the given axiom non-deterministic functions and rules.")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ng the given axiom non-deterministic functions and rules.")
   Call: (194) [system] string_concat(i, "ng the given axiom non-deterministic functions and rules.", _583424)
   Exit: (194) [system] string_concat(i, "ng the given axiom non-deterministic functions and rules.", "ing the given axiom non-deterministic functions and rules.")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "ing the given axiom non-deterministic functions and rules.")
   Call: (193) [system] string_concat(s, "ing the given axiom non-deterministic functions and rules.", _576924)
   Exit: (193) [system] string_concat(s, "ing the given axiom non-deterministic functions and rules.", "sing the given axiom non-deterministic functions and rules.")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "sing the given axiom non-deterministic functions and rules.")
   Call: (192) [system] string_concat(u, "sing the given axiom non-deterministic functions and rules.", _570424)
   Exit: (192) [system] string_concat(u, "sing the given axiom non-deterministic functions and rules.", "using the given axiom non-deterministic functions and rules.")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "using the given axiom non-deterministic functions and rules.")
   Call: (191) [system] string_concat(' ', "using the given axiom non-deterministic functions and rules.", _563924)
   Exit: (191) [system] string_concat(' ', "using the given axiom non-deterministic functions and rules.", " using the given axiom non-deterministic functions and rules.")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), " using the given axiom non-deterministic functions and rules.")
   Call: (190) [system] string_concat('\t', " using the given axiom non-deterministic functions and rules.", _557424)
   Exit: (190) [system] string_concat('\t', " using the given axiom non-deterministic functions and rules.", "\t using the given axiom non-deterministic functions and rules.")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "\t using the given axiom non-deterministic functions and rules.")
   Call: (189) [system] string_concat('\t', "\t using the given axiom non-deterministic functions and rules.", _550924)
   Exit: (189) [system] string_concat('\t', "\t using the given axiom non-deterministic functions and rules.", "\t\t using the given axiom non-deterministic functions and rules.")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "\t\t using the given axiom non-deterministic functions and rules.")
   Call: (188) [system] string_concat(;, "\t\t using the given axiom non-deterministic functions and rules.", _544424)
   Exit: (188) [system] string_concat(;, "\t\t using the given axiom non-deterministic functions and rules.", ";\t\t using the given axiom non-deterministic functions and rules.")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), ";\t\t using the given axiom non-deterministic functions and rules.")
   Call: (187) [system] string_concat(;, ";\t\t using the given axiom non-deterministic functions and rules.", _537924)
   Exit: (187) [system] string_concat(;, ";\t\t using the given axiom non-deterministic functions and rules.", ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Call: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (185) [user] read_comment((0x558d99e6bec0))
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1153952)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_comment((0x558d99e6bec0))
^  Call: (187) [user] read_position((0x558d99e6bec0), _1158590, _1158592, _1158594, _1158596)
   Call: (188) [system] stream_property((0x558d99e6bec0), position(_1158596))
   Call: (189) [system] nonvar((0x558d99e6bec0))
   Exit: (189) [system] nonvar((0x558d99e6bec0))
   Call: (189) [system] nonvar(position(_1158596))
   Exit: (189) [system] nonvar(position(_1158596))
   Exit: (188) [system] stream_property((0x558d99e6bec0), position('$stream_position'(517, 21, 0, 517)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), _1158590)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _1167884)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), _1158590)
   Exit: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), 21)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), 21)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), _1158592)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _1175318)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), _1158592)
   Exit: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), _1158594)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _1182752)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), _1158594)
   Exit: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), 517)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), 517)
^  Exit: (187) [user] read_position((0x558d99e6bec0), 21, 0, 517, '$stream_position'(517, 21, 0, 517))
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1188346)
   Call: (188) [system] get_char((0x558d99e6bec0), _1189276)
   Exit: (188) [system] get_char((0x558d99e6bec0), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Fail: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
   Fail: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1194846)
   Call: (189) [system] get_char((0x558d99e6bec0), _1195776)
   Exit: (189) [system] get_char((0x558d99e6bec0), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Fail: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
   Fail: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1201346)
   Call: (190) [system] get_char((0x558d99e6bec0), _1202276)
   Exit: (190) [system] get_char((0x558d99e6bec0), '\n')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
   Call: (190) [system] _1201346=""
   Exit: (190) [system] ""=""
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (189) [system] string_concat(;, "", _1194846)
   Exit: (189) [system] string_concat(;, "", ";")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), ";")
   Call: (188) [system] string_concat(;, ";", _1188346)
   Exit: (188) [system] string_concat(;, ";", ";;")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), ";;")
^  Call: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (186) [user] read_comment((0x558d99e6bec0))
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1218104)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_comment((0x558d99e6bec0))
^  Call: (188) [user] read_position((0x558d99e6bec0), _1222742, _1222744, _1222746, _1222748)
   Call: (189) [system] stream_property((0x558d99e6bec0), position(_1222748))
   Call: (190) [system] nonvar((0x558d99e6bec0))
   Exit: (190) [system] nonvar((0x558d99e6bec0))
   Call: (190) [system] nonvar(position(_1222748))
   Exit: (190) [system] nonvar(position(_1222748))
   Exit: (189) [system] stream_property((0x558d99e6bec0), position('$stream_position'(520, 22, 0, 520)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), _1222742)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _1232036)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), _1222742)
   Exit: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), 22)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), 22)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), _1222744)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _1239470)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), _1222744)
   Exit: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), _1222746)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _1246904)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), _1222746)
   Exit: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), 520)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), 520)
^  Exit: (188) [user] read_position((0x558d99e6bec0), 22, 0, 520, '$stream_position'(520, 22, 0, 520))
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1252498)
   Call: (189) [system] get_char((0x558d99e6bec0), _1253428)
   Exit: (189) [system] get_char((0x558d99e6bec0), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Fail: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
   Fail: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1258998)
   Call: (190) [system] get_char((0x558d99e6bec0), _1259928)
   Exit: (190) [system] get_char((0x558d99e6bec0), ;)
   Call: (190) [system] char_type(;, end_of_line)
   Fail: (190) [system] char_type(;, end_of_line)
   Call: (190) [system] (;)=end_of_file
   Fail: (190) [system] (;)=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1265498)
   Call: (191) [system] get_char((0x558d99e6bec0), _1266428)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Fail: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
   Fail: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1271998)
   Call: (192) [system] get_char((0x558d99e6bec0), _1272928)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'T')
   Call: (192) [system] char_type('T', end_of_line)
   Fail: (192) [system] char_type('T', end_of_line)
   Call: (192) [system] 'T'=end_of_file
   Fail: (192) [system] 'T'=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1278498)
   Call: (193) [system] get_char((0x558d99e6bec0), _1279428)
   Exit: (193) [system] get_char((0x558d99e6bec0), h)
   Call: (193) [system] char_type(h, end_of_line)
   Fail: (193) [system] char_type(h, end_of_line)
   Call: (193) [system] h=end_of_file
   Fail: (193) [system] h=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1284998)
   Call: (194) [system] get_char((0x558d99e6bec0), _1285928)
   Exit: (194) [system] get_char((0x558d99e6bec0), e)
   Call: (194) [system] char_type(e, end_of_line)
   Fail: (194) [system] char_type(e, end_of_line)
   Call: (194) [system] e=end_of_file
   Fail: (194) [system] e=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1291498)
   Call: (195) [system] get_char((0x558d99e6bec0), _1292428)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1297998)
   Call: (196) [system] get_char((0x558d99e6bec0), _1298928)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1304498)
   Call: (197) [system] get_char((0x558d99e6bec0), _1305428)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] char_type(r, end_of_line)
   Fail: (197) [system] char_type(r, end_of_line)
   Call: (197) [system] r=end_of_file
   Fail: (197) [system] r=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1310998)
   Call: (198) [system] get_char((0x558d99e6bec0), _1311928)
   Exit: (198) [system] get_char((0x558d99e6bec0), g)
   Call: (198) [system] char_type(g, end_of_line)
   Fail: (198) [system] char_type(g, end_of_line)
   Call: (198) [system] g=end_of_file
   Fail: (198) [system] g=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1317498)
   Call: (199) [system] get_char((0x558d99e6bec0), _1318428)
   Exit: (199) [system] get_char((0x558d99e6bec0), u)
   Call: (199) [system] char_type(u, end_of_line)
   Fail: (199) [system] char_type(u, end_of_line)
   Call: (199) [system] u=end_of_file
   Fail: (199) [system] u=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1323998)
   Call: (200) [system] get_char((0x558d99e6bec0), _1324928)
   Exit: (200) [system] get_char((0x558d99e6bec0), m)
   Call: (200) [system] char_type(m, end_of_line)
   Fail: (200) [system] char_type(m, end_of_line)
   Call: (200) [system] m=end_of_file
   Fail: (200) [system] m=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1330498)
   Call: (201) [system] get_char((0x558d99e6bec0), _1331428)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] char_type(e, end_of_line)
   Fail: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
   Fail: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1336998)
   Call: (202) [system] get_char((0x558d99e6bec0), _1337928)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] char_type(n, end_of_line)
   Fail: (202) [system] char_type(n, end_of_line)
   Call: (202) [system] n=end_of_file
   Fail: (202) [system] n=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1343498)
   Call: (203) [system] get_char((0x558d99e6bec0), _1344428)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] char_type(t, end_of_line)
   Fail: (203) [system] char_type(t, end_of_line)
   Call: (203) [system] t=end_of_file
   Fail: (203) [system] t=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1349998)
   Call: (204) [system] get_char((0x558d99e6bec0), _1350928)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] char_type(s, end_of_line)
   Fail: (204) [system] char_type(s, end_of_line)
   Call: (204) [system] s=end_of_file
   Fail: (204) [system] s=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1356498)
   Call: (205) [system] get_char((0x558d99e6bec0), _1357428)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1362998)
   Call: (206) [system] get_char((0x558d99e6bec0), _1363928)
   Exit: (206) [system] get_char((0x558d99e6bec0), a)
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1369498)
   Call: (207) [system] get_char((0x558d99e6bec0), _1370428)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] char_type(r, end_of_line)
   Fail: (207) [system] char_type(r, end_of_line)
   Call: (207) [system] r=end_of_file
   Fail: (207) [system] r=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1375998)
   Call: (208) [system] get_char((0x558d99e6bec0), _1376928)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] char_type(e, end_of_line)
   Fail: (208) [system] char_type(e, end_of_line)
   Call: (208) [system] e=end_of_file
   Fail: (208) [system] e=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1382498)
   Call: (209) [system] get_char((0x558d99e6bec0), _1383428)
   Exit: (209) [system] get_char((0x558d99e6bec0), :)
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1388998)
   Call: (210) [system] get_char((0x558d99e6bec0), _1389928)
   Exit: (210) [system] get_char((0x558d99e6bec0), '\n')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
   Call: (210) [system] _1388998=""
   Exit: (210) [system] ""=""
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (209) [system] string_concat(:, "", _1382498)
   Exit: (209) [system] string_concat(:, "", ":")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), ":")
   Call: (208) [system] string_concat(e, ":", _1375998)
   Exit: (208) [system] string_concat(e, ":", "e:")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "e:")
   Call: (207) [system] string_concat(r, "e:", _1369498)
   Exit: (207) [system] string_concat(r, "e:", "re:")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "re:")
   Call: (206) [system] string_concat(a, "re:", _1362998)
   Exit: (206) [system] string_concat(a, "re:", "are:")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "are:")
   Call: (205) [system] string_concat(' ', "are:", _1356498)
   Exit: (205) [system] string_concat(' ', "are:", " are:")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), " are:")
   Call: (204) [system] string_concat(s, " are:", _1349998)
   Exit: (204) [system] string_concat(s, " are:", "s are:")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "s are:")
   Call: (203) [system] string_concat(t, "s are:", _1343498)
   Exit: (203) [system] string_concat(t, "s are:", "ts are:")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "ts are:")
   Call: (202) [system] string_concat(n, "ts are:", _1336998)
   Exit: (202) [system] string_concat(n, "ts are:", "nts are:")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "nts are:")
   Call: (201) [system] string_concat(e, "nts are:", _1330498)
   Exit: (201) [system] string_concat(e, "nts are:", "ents are:")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "ents are:")
   Call: (200) [system] string_concat(m, "ents are:", _1323998)
   Exit: (200) [system] string_concat(m, "ents are:", "ments are:")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "ments are:")
   Call: (199) [system] string_concat(u, "ments are:", _1317498)
   Exit: (199) [system] string_concat(u, "ments are:", "uments are:")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "uments are:")
   Call: (198) [system] string_concat(g, "uments are:", _1310998)
   Exit: (198) [system] string_concat(g, "uments are:", "guments are:")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "guments are:")
   Call: (197) [system] string_concat(r, "guments are:", _1304498)
   Exit: (197) [system] string_concat(r, "guments are:", "rguments are:")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "rguments are:")
   Call: (196) [system] string_concat(a, "rguments are:", _1297998)
   Exit: (196) [system] string_concat(a, "rguments are:", "arguments are:")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "arguments are:")
   Call: (195) [system] string_concat(' ', "arguments are:", _1291498)
   Exit: (195) [system] string_concat(' ', "arguments are:", " arguments are:")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), " arguments are:")
   Call: (194) [system] string_concat(e, " arguments are:", _1284998)
   Exit: (194) [system] string_concat(e, " arguments are:", "e arguments are:")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "e arguments are:")
   Call: (193) [system] string_concat(h, "e arguments are:", _1278498)
   Exit: (193) [system] string_concat(h, "e arguments are:", "he arguments are:")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "he arguments are:")
   Call: (192) [system] string_concat('T', "he arguments are:", _1271998)
   Exit: (192) [system] string_concat('T', "he arguments are:", "The arguments are:")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "The arguments are:")
   Call: (191) [system] string_concat(' ', "The arguments are:", _1265498)
   Exit: (191) [system] string_concat(' ', "The arguments are:", " The arguments are:")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), " The arguments are:")
   Call: (190) [system] string_concat(;, " The arguments are:", _1258998)
   Exit: (190) [system] string_concat(;, " The arguments are:", "; The arguments are:")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "; The arguments are:")
   Call: (189) [system] string_concat(;, "; The arguments are:", _1252498)
   Exit: (189) [system] string_concat(;, "; The arguments are:", ";; The arguments are:")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), ";; The arguments are:")
^  Call: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (187) [user] read_comment((0x558d99e6bec0))
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1458962)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ;)
   Call: (188) [system] (;)=(;)
   Exit: (188) [system] (;)=(;)
^  Call: (188) [user] read_comment((0x558d99e6bec0))
^  Call: (189) [user] read_position((0x558d99e6bec0), _1463600, _1463602, _1463604, _1463606)
   Call: (190) [system] stream_property((0x558d99e6bec0), position(_1463606))
   Call: (191) [system] nonvar((0x558d99e6bec0))
   Exit: (191) [system] nonvar((0x558d99e6bec0))
   Call: (191) [system] nonvar(position(_1463606))
   Exit: (191) [system] nonvar(position(_1463606))
   Exit: (190) [system] stream_property((0x558d99e6bec0), position('$stream_position'(542, 23, 0, 542)))
   Call: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), _1463600)
   Call: (191) [system] nonvar(line_count)
   Exit: (191) [system] nonvar(line_count)
   Call: (191) [$syspreds] stream_position_field(line_count, _1472894)
   Exit: (191) [$syspreds] stream_position_field(line_count, 2)
   Call: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), _1463600)
   Exit: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), 23)
   Exit: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), 23)
   Call: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), _1463602)
   Call: (191) [system] nonvar(line_position)
   Exit: (191) [system] nonvar(line_position)
   Call: (191) [$syspreds] stream_position_field(line_position, _1480328)
   Exit: (191) [$syspreds] stream_position_field(line_position, 3)
   Call: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), _1463602)
   Exit: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), 0)
   Exit: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), 0)
   Call: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), _1463604)
   Call: (191) [system] nonvar(char_count)
   Exit: (191) [system] nonvar(char_count)
   Call: (191) [$syspreds] stream_position_field(char_count, _1487762)
   Exit: (191) [$syspreds] stream_position_field(char_count, 1)
   Call: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), _1463604)
   Exit: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), 542)
   Exit: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), 542)
^  Exit: (189) [user] read_position((0x558d99e6bec0), 23, 0, 542, '$stream_position'(542, 23, 0, 542))
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1493356)
   Call: (190) [system] get_char((0x558d99e6bec0), _1494286)
   Exit: (190) [system] get_char((0x558d99e6bec0), ;)
   Call: (190) [system] char_type(;, end_of_line)
   Fail: (190) [system] char_type(;, end_of_line)
   Call: (190) [system] (;)=end_of_file
   Fail: (190) [system] (;)=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1499856)
   Call: (191) [system] get_char((0x558d99e6bec0), _1500786)
   Exit: (191) [system] get_char((0x558d99e6bec0), ;)
   Call: (191) [system] char_type(;, end_of_line)
   Fail: (191) [system] char_type(;, end_of_line)
   Call: (191) [system] (;)=end_of_file
   Fail: (191) [system] (;)=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1506356)
   Call: (192) [system] get_char((0x558d99e6bec0), _1507286)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
   Call: (192) [system] _1506356=""
   Exit: (192) [system] ""=""
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (191) [system] string_concat(;, "", _1499856)
   Exit: (191) [system] string_concat(;, "", ";")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), ";")
   Call: (190) [system] string_concat(;, ";", _1493356)
   Exit: (190) [system] string_concat(;, ";", ";;")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), ";;")
^  Call: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (188) [user] read_comment((0x558d99e6bec0))
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1523114)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_comment((0x558d99e6bec0))
^  Call: (190) [user] read_position((0x558d99e6bec0), _1527752, _1527754, _1527756, _1527758)
   Call: (191) [system] stream_property((0x558d99e6bec0), position(_1527758))
   Call: (192) [system] nonvar((0x558d99e6bec0))
   Exit: (192) [system] nonvar((0x558d99e6bec0))
   Call: (192) [system] nonvar(position(_1527758))
   Exit: (192) [system] nonvar(position(_1527758))
   Exit: (191) [system] stream_property((0x558d99e6bec0), position('$stream_position'(545, 24, 0, 545)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), _1527752)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _1537046)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), _1527752)
   Exit: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), 24)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), 24)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), _1527754)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _1544480)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), _1527754)
   Exit: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), _1527756)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _1551914)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), _1527756)
   Exit: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), 545)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), 545)
^  Exit: (190) [user] read_position((0x558d99e6bec0), 24, 0, 545, '$stream_position'(545, 24, 0, 545))
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1557508)
   Call: (191) [system] get_char((0x558d99e6bec0), _1558438)
   Exit: (191) [system] get_char((0x558d99e6bec0), ;)
   Call: (191) [system] char_type(;, end_of_line)
   Fail: (191) [system] char_type(;, end_of_line)
   Call: (191) [system] (;)=end_of_file
   Fail: (191) [system] (;)=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1564008)
   Call: (192) [system] get_char((0x558d99e6bec0), _1564938)
   Exit: (192) [system] get_char((0x558d99e6bec0), ;)
   Call: (192) [system] char_type(;, end_of_line)
   Fail: (192) [system] char_type(;, end_of_line)
   Call: (192) [system] (;)=end_of_file
   Fail: (192) [system] (;)=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1570508)
   Call: (193) [system] get_char((0x558d99e6bec0), _1571438)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1577008)
   Call: (194) [system] get_char((0x558d99e6bec0), _1577938)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1583508)
   Call: (195) [system] get_char((0x558d99e6bec0), _1584438)
   Exit: (195) [system] get_char((0x558d99e6bec0), q)
   Call: (195) [system] char_type(q, end_of_line)
   Fail: (195) [system] char_type(q, end_of_line)
   Call: (195) [system] q=end_of_file
   Fail: (195) [system] q=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1590008)
   Call: (196) [system] get_char((0x558d99e6bec0), _1590938)
   Exit: (196) [system] get_char((0x558d99e6bec0), u)
   Call: (196) [system] char_type(u, end_of_line)
   Fail: (196) [system] char_type(u, end_of_line)
   Call: (196) [system] u=end_of_file
   Fail: (196) [system] u=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1596508)
   Call: (197) [system] get_char((0x558d99e6bec0), _1597438)
   Exit: (197) [system] get_char((0x558d99e6bec0), e)
   Call: (197) [system] char_type(e, end_of_line)
   Fail: (197) [system] char_type(e, end_of_line)
   Call: (197) [system] e=end_of_file
   Fail: (197) [system] e=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1603008)
   Call: (198) [system] get_char((0x558d99e6bec0), _1603938)
   Exit: (198) [system] get_char((0x558d99e6bec0), r)
   Call: (198) [system] char_type(r, end_of_line)
   Fail: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
   Fail: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1609508)
   Call: (199) [system] get_char((0x558d99e6bec0), _1610438)
   Exit: (199) [system] get_char((0x558d99e6bec0), y)
   Call: (199) [system] char_type(y, end_of_line)
   Fail: (199) [system] char_type(y, end_of_line)
   Call: (199) [system] y=end_of_file
   Fail: (199) [system] y=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1616008)
   Call: (200) [system] get_char((0x558d99e6bec0), _1616938)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1622508)
   Call: (201) [system] get_char((0x558d99e6bec0), _1623438)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1629008)
   Call: (202) [system] get_char((0x558d99e6bec0), _1629938)
   Exit: (202) [system] get_char((0x558d99e6bec0), a)
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1635508)
   Call: (203) [system] get_char((0x558d99e6bec0), _1636438)
   Exit: (203) [system] get_char((0x558d99e6bec0), n)
   Call: (203) [system] char_type(n, end_of_line)
   Fail: (203) [system] char_type(n, end_of_line)
   Call: (203) [system] n=end_of_file
   Fail: (203) [system] n=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1642008)
   Call: (204) [system] get_char((0x558d99e6bec0), _1642938)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Fail: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
   Fail: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1648508)
   Call: (205) [system] get_char((0x558d99e6bec0), _1649438)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'A')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1655008)
   Call: (206) [system] get_char((0x558d99e6bec0), _1655938)
   Exit: (206) [system] get_char((0x558d99e6bec0), t)
   Call: (206) [system] char_type(t, end_of_line)
   Fail: (206) [system] char_type(t, end_of_line)
   Call: (206) [system] t=end_of_file
   Fail: (206) [system] t=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1661508)
   Call: (207) [system] get_char((0x558d99e6bec0), _1662438)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] char_type(o, end_of_line)
   Fail: (207) [system] char_type(o, end_of_line)
   Call: (207) [system] o=end_of_file
   Fail: (207) [system] o=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1668008)
   Call: (208) [system] get_char((0x558d99e6bec0), _1668938)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] char_type(m, end_of_line)
   Fail: (208) [system] char_type(m, end_of_line)
   Call: (208) [system] m=end_of_file
   Fail: (208) [system] m=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1674508)
   Call: (209) [system] get_char((0x558d99e6bec0), _1675438)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Fail: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
   Fail: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1681008)
   Call: (210) [system] get_char((0x558d99e6bec0), _1681938)
   Exit: (210) [system] get_char((0x558d99e6bec0), u)
   Call: (210) [system] char_type(u, end_of_line)
   Fail: (210) [system] char_type(u, end_of_line)
   Call: (210) [system] u=end_of_file
   Fail: (210) [system] u=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1687508)
   Call: (211) [system] get_char((0x558d99e6bec0), _1688438)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] char_type(n, end_of_line)
   Fail: (211) [system] char_type(n, end_of_line)
   Call: (211) [system] n=end_of_file
   Fail: (211) [system] n=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1694008)
   Call: (212) [system] get_char((0x558d99e6bec0), _1694938)
   Exit: (212) [system] get_char((0x558d99e6bec0), d)
   Call: (212) [system] char_type(d, end_of_line)
   Fail: (212) [system] char_type(d, end_of_line)
   Call: (212) [system] d=end_of_file
   Fail: (212) [system] d=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1700508)
   Call: (213) [system] get_char((0x558d99e6bec0), _1701438)
   Exit: (213) [system] get_char((0x558d99e6bec0), e)
   Call: (213) [system] char_type(e, end_of_line)
   Fail: (213) [system] char_type(e, end_of_line)
   Call: (213) [system] e=end_of_file
   Fail: (213) [system] e=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1707008)
   Call: (214) [system] get_char((0x558d99e6bec0), _1707938)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] char_type(r, end_of_line)
   Fail: (214) [system] char_type(r, end_of_line)
   Call: (214) [system] r=end_of_file
   Fail: (214) [system] r=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1713508)
   Call: (215) [system] get_char((0x558d99e6bec0), _1714438)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
   Call: (215) [system] char_type(' ', end_of_line)
   Fail: (215) [system] char_type(' ', end_of_line)
   Call: (215) [system] ' '=end_of_file
   Fail: (215) [system] ' '=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1720008)
   Call: (216) [system] get_char((0x558d99e6bec0), _1720938)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] char_type(t, end_of_line)
   Fail: (216) [system] char_type(t, end_of_line)
   Call: (216) [system] t=end_of_file
   Fail: (216) [system] t=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1726508)
   Call: (217) [system] get_char((0x558d99e6bec0), _1727438)
   Exit: (217) [system] get_char((0x558d99e6bec0), h)
   Call: (217) [system] char_type(h, end_of_line)
   Fail: (217) [system] char_type(h, end_of_line)
   Call: (217) [system] h=end_of_file
   Fail: (217) [system] h=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1733008)
   Call: (218) [system] get_char((0x558d99e6bec0), _1733938)
   Exit: (218) [system] get_char((0x558d99e6bec0), e)
   Call: (218) [system] char_type(e, end_of_line)
   Fail: (218) [system] char_type(e, end_of_line)
   Call: (218) [system] e=end_of_file
   Fail: (218) [system] e=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1739508)
   Call: (219) [system] get_char((0x558d99e6bec0), _1740438)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
   Call: (219) [system] char_type(' ', end_of_line)
   Fail: (219) [system] char_type(' ', end_of_line)
   Call: (219) [system] ' '=end_of_file
   Fail: (219) [system] ' '=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1746008)
   Call: (220) [system] get_char((0x558d99e6bec0), _1746938)
   Exit: (220) [system] get_char((0x558d99e6bec0), f)
   Call: (220) [system] char_type(f, end_of_line)
   Fail: (220) [system] char_type(f, end_of_line)
   Call: (220) [system] f=end_of_file
   Fail: (220) [system] f=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1752508)
   Call: (221) [system] get_char((0x558d99e6bec0), _1753438)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] char_type(o, end_of_line)
   Fail: (221) [system] char_type(o, end_of_line)
   Call: (221) [system] o=end_of_file
   Fail: (221) [system] o=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1759008)
   Call: (222) [system] get_char((0x558d99e6bec0), _1759938)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] char_type(r, end_of_line)
   Fail: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
   Fail: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1765508)
   Call: (223) [system] get_char((0x558d99e6bec0), _1766438)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] char_type(m, end_of_line)
   Fail: (223) [system] char_type(m, end_of_line)
   Call: (223) [system] m=end_of_file
   Fail: (223) [system] m=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1772008)
   Call: (224) [system] get_char((0x558d99e6bec0), _1772938)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Fail: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
   Fail: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1778508)
   Call: (225) [system] get_char((0x558d99e6bec0), _1779438)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1785008)
   Call: (226) [system] get_char((0x558d99e6bec0), _1785938)
   Exit: (226) [system] get_char((0x558d99e6bec0), :)
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1791508)
   Call: (227) [system] get_char((0x558d99e6bec0), _1792438)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Fail: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
   Fail: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1798008)
   Call: (228) [system] get_char((0x558d99e6bec0), _1798938)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'T')
   Call: (228) [system] char_type('T', end_of_line)
   Fail: (228) [system] char_type('T', end_of_line)
   Call: (228) [system] 'T'=end_of_file
   Fail: (228) [system] 'T'=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1804508)
   Call: (229) [system] get_char((0x558d99e6bec0), _1805438)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'E')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] 'E'=end_of_file
   Fail: (229) [system] 'E'=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1811008)
   Call: (230) [system] get_char((0x558d99e6bec0), _1811938)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'R')
   Call: (230) [system] char_type('R', end_of_line)
   Fail: (230) [system] char_type('R', end_of_line)
   Call: (230) [system] 'R'=end_of_file
   Fail: (230) [system] 'R'=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1817508)
   Call: (231) [system] get_char((0x558d99e6bec0), _1818438)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'M')
   Call: (231) [system] char_type('M', end_of_line)
   Fail: (231) [system] char_type('M', end_of_line)
   Call: (231) [system] 'M'=end_of_file
   Fail: (231) [system] 'M'=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1824008)
   Call: (232) [system] get_char((0x558d99e6bec0), _1824938)
   Exit: (232) [system] get_char((0x558d99e6bec0), ' ')
   Call: (232) [system] char_type(' ', end_of_line)
   Fail: (232) [system] char_type(' ', end_of_line)
   Call: (232) [system] ' '=end_of_file
   Fail: (232) [system] ' '=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1830508)
   Call: (233) [system] get_char((0x558d99e6bec0), _1831438)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'T')
   Call: (233) [system] char_type('T', end_of_line)
   Fail: (233) [system] char_type('T', end_of_line)
   Call: (233) [system] 'T'=end_of_file
   Fail: (233) [system] 'T'=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1837008)
   Call: (234) [system] get_char((0x558d99e6bec0), _1837938)
   Exit: (234) [system] get_char((0x558d99e6bec0), 'Y')
   Call: (234) [system] char_type('Y', end_of_line)
   Fail: (234) [system] char_type('Y', end_of_line)
   Call: (234) [system] 'Y'=end_of_file
   Fail: (234) [system] 'Y'=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1843508)
   Call: (235) [system] get_char((0x558d99e6bec0), _1844438)
   Exit: (235) [system] get_char((0x558d99e6bec0), 'P')
   Call: (235) [system] char_type('P', end_of_line)
   Fail: (235) [system] char_type('P', end_of_line)
   Call: (235) [system] 'P'=end_of_file
   Fail: (235) [system] 'P'=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1850008)
   Call: (236) [system] get_char((0x558d99e6bec0), _1850938)
   Exit: (236) [system] get_char((0x558d99e6bec0), 'E')
   Call: (236) [system] char_type('E', end_of_line)
   Fail: (236) [system] char_type('E', end_of_line)
   Call: (236) [system] 'E'=end_of_file
   Fail: (236) [system] 'E'=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1856508)
   Call: (237) [system] get_char((0x558d99e6bec0), _1857438)
   Exit: (237) [system] get_char((0x558d99e6bec0), ')')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] ')'=end_of_file
   Fail: (237) [system] ')'=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1863008)
   Call: (238) [system] get_char((0x558d99e6bec0), _1863938)
   Exit: (238) [system] get_char((0x558d99e6bec0), '.')
   Call: (238) [system] char_type('.', end_of_line)
   Fail: (238) [system] char_type('.', end_of_line)
   Call: (238) [system] ('.')=end_of_file
   Fail: (238) [system] ('.')=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1869508)
   Call: (239) [system] get_char((0x558d99e6bec0), _1870438)
   Exit: (239) [system] get_char((0x558d99e6bec0), ' ')
   Call: (239) [system] char_type(' ', end_of_line)
   Fail: (239) [system] char_type(' ', end_of_line)
   Call: (239) [system] ' '=end_of_file
   Fail: (239) [system] ' '=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1876008)
   Call: (240) [system] get_char((0x558d99e6bec0), _1876938)
   Exit: (240) [system] get_char((0x558d99e6bec0), ' ')
   Call: (240) [system] char_type(' ', end_of_line)
   Fail: (240) [system] char_type(' ', end_of_line)
   Call: (240) [system] ' '=end_of_file
   Fail: (240) [system] ' '=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _1882508)
   Call: (241) [system] get_char((0x558d99e6bec0), _1883438)
   Exit: (241) [system] get_char((0x558d99e6bec0), 'T')
   Call: (241) [system] char_type('T', end_of_line)
   Fail: (241) [system] char_type('T', end_of_line)
   Call: (241) [system] 'T'=end_of_file
   Fail: (241) [system] 'T'=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _1889008)
   Call: (242) [system] get_char((0x558d99e6bec0), _1889938)
   Exit: (242) [system] get_char((0x558d99e6bec0), h)
   Call: (242) [system] char_type(h, end_of_line)
   Fail: (242) [system] char_type(h, end_of_line)
   Call: (242) [system] h=end_of_file
   Fail: (242) [system] h=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _1895508)
   Call: (243) [system] get_char((0x558d99e6bec0), _1896438)
   Exit: (243) [system] get_char((0x558d99e6bec0), e)
   Call: (243) [system] char_type(e, end_of_line)
   Fail: (243) [system] char_type(e, end_of_line)
   Call: (243) [system] e=end_of_file
   Fail: (243) [system] e=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _1902008)
   Call: (244) [system] get_char((0x558d99e6bec0), _1902938)
   Exit: (244) [system] get_char((0x558d99e6bec0), ' ')
   Call: (244) [system] char_type(' ', end_of_line)
   Fail: (244) [system] char_type(' ', end_of_line)
   Call: (244) [system] ' '=end_of_file
   Fail: (244) [system] ' '=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _1908508)
   Call: (245) [system] get_char((0x558d99e6bec0), _1909438)
   Exit: (245) [system] get_char((0x558d99e6bec0), a)
   Call: (245) [system] char_type(a, end_of_line)
   Fail: (245) [system] char_type(a, end_of_line)
   Call: (245) [system] a=end_of_file
   Fail: (245) [system] a=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _1915008)
   Call: (246) [system] get_char((0x558d99e6bec0), _1915938)
   Exit: (246) [system] get_char((0x558d99e6bec0), t)
   Call: (246) [system] char_type(t, end_of_line)
   Fail: (246) [system] char_type(t, end_of_line)
   Call: (246) [system] t=end_of_file
   Fail: (246) [system] t=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _1921508)
   Call: (247) [system] get_char((0x558d99e6bec0), _1922438)
   Exit: (247) [system] get_char((0x558d99e6bec0), o)
   Call: (247) [system] char_type(o, end_of_line)
   Fail: (247) [system] char_type(o, end_of_line)
   Call: (247) [system] o=end_of_file
   Fail: (247) [system] o=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _1928008)
   Call: (248) [system] get_char((0x558d99e6bec0), _1928938)
   Exit: (248) [system] get_char((0x558d99e6bec0), m)
   Call: (248) [system] char_type(m, end_of_line)
   Fail: (248) [system] char_type(m, end_of_line)
   Call: (248) [system] m=end_of_file
   Fail: (248) [system] m=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _1934508)
   Call: (249) [system] get_char((0x558d99e6bec0), _1935438)
   Exit: (249) [system] get_char((0x558d99e6bec0), ' ')
   Call: (249) [system] char_type(' ', end_of_line)
   Fail: (249) [system] char_type(' ', end_of_line)
   Call: (249) [system] ' '=end_of_file
   Fail: (249) [system] ' '=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _1941008)
   Call: (250) [system] get_char((0x558d99e6bec0), _1941938)
   Exit: (250) [system] get_char((0x558d99e6bec0), m)
   Call: (250) [system] char_type(m, end_of_line)
   Fail: (250) [system] char_type(m, end_of_line)
   Call: (250) [system] m=end_of_file
   Fail: (250) [system] m=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _1947508)
   Call: (251) [system] get_char((0x558d99e6bec0), _1948438)
   Exit: (251) [system] get_char((0x558d99e6bec0), a)
   Call: (251) [system] char_type(a, end_of_line)
   Fail: (251) [system] char_type(a, end_of_line)
   Call: (251) [system] a=end_of_file
   Fail: (251) [system] a=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _1954008)
   Call: (252) [system] get_char((0x558d99e6bec0), _1954938)
   Exit: (252) [system] get_char((0x558d99e6bec0), y)
   Call: (252) [system] char_type(y, end_of_line)
   Fail: (252) [system] char_type(y, end_of_line)
   Call: (252) [system] y=end_of_file
   Fail: (252) [system] y=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _1960508)
   Call: (253) [system] get_char((0x558d99e6bec0), _1961438)
   Exit: (253) [system] get_char((0x558d99e6bec0), ' ')
   Call: (253) [system] char_type(' ', end_of_line)
   Fail: (253) [system] char_type(' ', end_of_line)
   Call: (253) [system] ' '=end_of_file
   Fail: (253) [system] ' '=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _1967008)
   Call: (254) [system] get_char((0x558d99e6bec0), _1967938)
   Exit: (254) [system] get_char((0x558d99e6bec0), c)
   Call: (254) [system] char_type(c, end_of_line)
   Fail: (254) [system] char_type(c, end_of_line)
   Call: (254) [system] c=end_of_file
   Fail: (254) [system] c=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _1973508)
   Call: (255) [system] get_char((0x558d99e6bec0), _1974438)
   Exit: (255) [system] get_char((0x558d99e6bec0), o)
   Call: (255) [system] char_type(o, end_of_line)
   Fail: (255) [system] char_type(o, end_of_line)
   Call: (255) [system] o=end_of_file
   Fail: (255) [system] o=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _1980008)
   Call: (256) [system] get_char((0x558d99e6bec0), _1980938)
   Exit: (256) [system] get_char((0x558d99e6bec0), n)
   Call: (256) [system] char_type(n, end_of_line)
   Fail: (256) [system] char_type(n, end_of_line)
   Call: (256) [system] n=end_of_file
   Fail: (256) [system] n=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _1986508)
   Call: (257) [system] get_char((0x558d99e6bec0), _1987438)
   Exit: (257) [system] get_char((0x558d99e6bec0), t)
   Call: (257) [system] char_type(t, end_of_line)
   Fail: (257) [system] char_type(t, end_of_line)
   Call: (257) [system] t=end_of_file
   Fail: (257) [system] t=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _1993008)
   Call: (258) [system] get_char((0x558d99e6bec0), _1993938)
   Exit: (258) [system] get_char((0x558d99e6bec0), a)
   Call: (258) [system] char_type(a, end_of_line)
   Fail: (258) [system] char_type(a, end_of_line)
   Call: (258) [system] a=end_of_file
   Fail: (258) [system] a=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _1999508)
   Call: (259) [system] get_char((0x558d99e6bec0), _2000438)
   Exit: (259) [system] get_char((0x558d99e6bec0), i)
   Call: (259) [system] char_type(i, end_of_line)
   Fail: (259) [system] char_type(i, end_of_line)
   Call: (259) [system] i=end_of_file
   Fail: (259) [system] i=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _2006008)
   Call: (260) [system] get_char((0x558d99e6bec0), _2006938)
   Exit: (260) [system] get_char((0x558d99e6bec0), n)
   Call: (260) [system] char_type(n, end_of_line)
   Fail: (260) [system] char_type(n, end_of_line)
   Call: (260) [system] n=end_of_file
   Fail: (260) [system] n=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _2012508)
   Call: (261) [system] get_char((0x558d99e6bec0), _2013438)
   Exit: (261) [system] get_char((0x558d99e6bec0), '\n')
   Call: (261) [system] char_type('\n', end_of_line)
   Exit: (261) [system] char_type('\n', end_of_line)
   Call: (261) [system] _2012508=""
   Exit: (261) [system] ""=""
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (260) [system] string_concat(n, "", _2006008)
   Exit: (260) [system] string_concat(n, "", "n")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "n")
   Call: (259) [system] string_concat(i, "n", _1999508)
   Exit: (259) [system] string_concat(i, "n", "in")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "in")
   Call: (258) [system] string_concat(a, "in", _1993008)
   Exit: (258) [system] string_concat(a, "in", "ain")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "ain")
   Call: (257) [system] string_concat(t, "ain", _1986508)
   Exit: (257) [system] string_concat(t, "ain", "tain")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "tain")
   Call: (256) [system] string_concat(n, "tain", _1980008)
   Exit: (256) [system] string_concat(n, "tain", "ntain")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "ntain")
   Call: (255) [system] string_concat(o, "ntain", _1973508)
   Exit: (255) [system] string_concat(o, "ntain", "ontain")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "ontain")
   Call: (254) [system] string_concat(c, "ontain", _1967008)
   Exit: (254) [system] string_concat(c, "ontain", "contain")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "contain")
   Call: (253) [system] string_concat(' ', "contain", _1960508)
   Exit: (253) [system] string_concat(' ', "contain", " contain")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), " contain")
   Call: (252) [system] string_concat(y, " contain", _1954008)
   Exit: (252) [system] string_concat(y, " contain", "y contain")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "y contain")
   Call: (251) [system] string_concat(a, "y contain", _1947508)
   Exit: (251) [system] string_concat(a, "y contain", "ay contain")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "ay contain")
   Call: (250) [system] string_concat(m, "ay contain", _1941008)
   Exit: (250) [system] string_concat(m, "ay contain", "may contain")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "may contain")
   Call: (249) [system] string_concat(' ', "may contain", _1934508)
   Exit: (249) [system] string_concat(' ', "may contain", " may contain")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), " may contain")
   Call: (248) [system] string_concat(m, " may contain", _1928008)
   Exit: (248) [system] string_concat(m, " may contain", "m may contain")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "m may contain")
   Call: (247) [system] string_concat(o, "m may contain", _1921508)
   Exit: (247) [system] string_concat(o, "m may contain", "om may contain")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "om may contain")
   Call: (246) [system] string_concat(t, "om may contain", _1915008)
   Exit: (246) [system] string_concat(t, "om may contain", "tom may contain")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "tom may contain")
   Call: (245) [system] string_concat(a, "tom may contain", _1908508)
   Exit: (245) [system] string_concat(a, "tom may contain", "atom may contain")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "atom may contain")
   Call: (244) [system] string_concat(' ', "atom may contain", _1902008)
   Exit: (244) [system] string_concat(' ', "atom may contain", " atom may contain")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), " atom may contain")
   Call: (243) [system] string_concat(e, " atom may contain", _1895508)
   Exit: (243) [system] string_concat(e, " atom may contain", "e atom may contain")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "e atom may contain")
   Call: (242) [system] string_concat(h, "e atom may contain", _1889008)
   Exit: (242) [system] string_concat(h, "e atom may contain", "he atom may contain")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "he atom may contain")
   Call: (241) [system] string_concat('T', "he atom may contain", _1882508)
   Exit: (241) [system] string_concat('T', "he atom may contain", "The atom may contain")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "The atom may contain")
   Call: (240) [system] string_concat(' ', "The atom may contain", _1876008)
   Exit: (240) [system] string_concat(' ', "The atom may contain", " The atom may contain")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), " The atom may contain")
   Call: (239) [system] string_concat(' ', " The atom may contain", _1869508)
   Exit: (239) [system] string_concat(' ', " The atom may contain", "  The atom may contain")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "  The atom may contain")
   Call: (238) [system] string_concat('.', "  The atom may contain", _1863008)
   Exit: (238) [system] string_concat('.', "  The atom may contain", ".  The atom may contain")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), ".  The atom may contain")
   Call: (237) [system] string_concat(')', ".  The atom may contain", _1856508)
   Exit: (237) [system] string_concat(')', ".  The atom may contain", ").  The atom may contain")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), ").  The atom may contain")
   Call: (236) [system] string_concat('E', ").  The atom may contain", _1850008)
   Exit: (236) [system] string_concat('E', ").  The atom may contain", "E).  The atom may contain")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "E).  The atom may contain")
   Call: (235) [system] string_concat('P', "E).  The atom may contain", _1843508)
   Exit: (235) [system] string_concat('P', "E).  The atom may contain", "PE).  The atom may contain")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "PE).  The atom may contain")
   Call: (234) [system] string_concat('Y', "PE).  The atom may contain", _1837008)
   Exit: (234) [system] string_concat('Y', "PE).  The atom may contain", "YPE).  The atom may contain")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "YPE).  The atom may contain")
   Call: (233) [system] string_concat('T', "YPE).  The atom may contain", _1830508)
   Exit: (233) [system] string_concat('T', "YPE).  The atom may contain", "TYPE).  The atom may contain")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "TYPE).  The atom may contain")
   Call: (232) [system] string_concat(' ', "TYPE).  The atom may contain", _3548)
   Exit: (232) [system] string_concat(' ', "TYPE).  The atom may contain", " TYPE).  The atom may contain")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), " TYPE).  The atom may contain")
   Call: (231) [system] string_concat('M', " TYPE).  The atom may contain", _3544)
   Exit: (231) [system] string_concat('M', " TYPE).  The atom may contain", "M TYPE).  The atom may contain")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "M TYPE).  The atom may contain")
   Call: (230) [system] string_concat('R', "M TYPE).  The atom may contain", _3540)
   Exit: (230) [system] string_concat('R', "M TYPE).  The atom may contain", "RM TYPE).  The atom may contain")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "RM TYPE).  The atom may contain")
   Call: (229) [system] string_concat('E', "RM TYPE).  The atom may contain", _3536)
   Exit: (229) [system] string_concat('E', "RM TYPE).  The atom may contain", "ERM TYPE).  The atom may contain")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "ERM TYPE).  The atom may contain")
   Call: (228) [system] string_concat('T', "ERM TYPE).  The atom may contain", _3532)
   Exit: (228) [system] string_concat('T', "ERM TYPE).  The atom may contain", "TERM TYPE).  The atom may contain")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "TERM TYPE).  The atom may contain")
   Call: (227) [system] string_concat(' ', "TERM TYPE).  The atom may contain", _3528)
   Exit: (227) [system] string_concat(' ', "TERM TYPE).  The atom may contain", " TERM TYPE).  The atom may contain")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), " TERM TYPE).  The atom may contain")
   Call: (226) [system] string_concat(:, " TERM TYPE).  The atom may contain", _3524)
   Exit: (226) [system] string_concat(:, " TERM TYPE).  The atom may contain", ": TERM TYPE).  The atom may contain")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), ": TERM TYPE).  The atom may contain")
   Call: (225) [system] string_concat('(', ": TERM TYPE).  The atom may contain", _3520)
   Exit: (225) [system] string_concat('(', ": TERM TYPE).  The atom may contain", "(: TERM TYPE).  The atom may contain")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "(: TERM TYPE).  The atom may contain")
   Call: (224) [system] string_concat(' ', "(: TERM TYPE).  The atom may contain", _3516)
   Exit: (224) [system] string_concat(' ', "(: TERM TYPE).  The atom may contain", " (: TERM TYPE).  The atom may contain")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), " (: TERM TYPE).  The atom may contain")
   Call: (223) [system] string_concat(m, " (: TERM TYPE).  The atom may contain", _3512)
   Exit: (223) [system] string_concat(m, " (: TERM TYPE).  The atom may contain", "m (: TERM TYPE).  The atom may contain")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "m (: TERM TYPE).  The atom may contain")
   Call: (222) [system] string_concat(r, "m (: TERM TYPE).  The atom may contain", _3508)
   Exit: (222) [system] string_concat(r, "m (: TERM TYPE).  The atom may contain", "rm (: TERM TYPE).  The atom may contain")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "rm (: TERM TYPE).  The atom may contain")
   Call: (221) [system] string_concat(o, "rm (: TERM TYPE).  The atom may contain", _3504)
   Exit: (221) [system] string_concat(o, "rm (: TERM TYPE).  The atom may contain", "orm (: TERM TYPE).  The atom may contain")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "orm (: TERM TYPE).  The atom may contain")
   Call: (220) [system] string_concat(f, "orm (: TERM TYPE).  The atom may contain", _3500)
   Exit: (220) [system] string_concat(f, "orm (: TERM TYPE).  The atom may contain", "form (: TERM TYPE).  The atom may contain")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "form (: TERM TYPE).  The atom may contain")
   Call: (219) [system] string_concat(' ', "form (: TERM TYPE).  The atom may contain", _3496)
   Exit: (219) [system] string_concat(' ', "form (: TERM TYPE).  The atom may contain", " form (: TERM TYPE).  The atom may contain")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), " form (: TERM TYPE).  The atom may contain")
   Call: (218) [system] string_concat(e, " form (: TERM TYPE).  The atom may contain", _3492)
   Exit: (218) [system] string_concat(e, " form (: TERM TYPE).  The atom may contain", "e form (: TERM TYPE).  The atom may contain")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "e form (: TERM TYPE).  The atom may contain")
   Call: (217) [system] string_concat(h, "e form (: TERM TYPE).  The atom may contain", _3488)
   Exit: (217) [system] string_concat(h, "e form (: TERM TYPE).  The atom may contain", "he form (: TERM TYPE).  The atom may contain")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "he form (: TERM TYPE).  The atom may contain")
   Call: (216) [system] string_concat(t, "he form (: TERM TYPE).  The atom may contain", _3484)
   Exit: (216) [system] string_concat(t, "he form (: TERM TYPE).  The atom may contain", "the form (: TERM TYPE).  The atom may contain")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "the form (: TERM TYPE).  The atom may contain")
   Call: (215) [system] string_concat(' ', "the form (: TERM TYPE).  The atom may contain", _3480)
   Exit: (215) [system] string_concat(' ', "the form (: TERM TYPE).  The atom may contain", " the form (: TERM TYPE).  The atom may contain")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), " the form (: TERM TYPE).  The atom may contain")
   Call: (214) [system] string_concat(r, " the form (: TERM TYPE).  The atom may contain", _3476)
   Exit: (214) [system] string_concat(r, " the form (: TERM TYPE).  The atom may contain", "r the form (: TERM TYPE).  The atom may contain")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "r the form (: TERM TYPE).  The atom may contain")
   Call: (213) [system] string_concat(e, "r the form (: TERM TYPE).  The atom may contain", _3472)
   Exit: (213) [system] string_concat(e, "r the form (: TERM TYPE).  The atom may contain", "er the form (: TERM TYPE).  The atom may contain")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "er the form (: TERM TYPE).  The atom may contain")
   Call: (212) [system] string_concat(d, "er the form (: TERM TYPE).  The atom may contain", _3468)
   Exit: (212) [system] string_concat(d, "er the form (: TERM TYPE).  The atom may contain", "der the form (: TERM TYPE).  The atom may contain")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "der the form (: TERM TYPE).  The atom may contain")
   Call: (211) [system] string_concat(n, "der the form (: TERM TYPE).  The atom may contain", _3464)
   Exit: (211) [system] string_concat(n, "der the form (: TERM TYPE).  The atom may contain", "nder the form (: TERM TYPE).  The atom may contain")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "nder the form (: TERM TYPE).  The atom may contain")
   Call: (210) [system] string_concat(u, "nder the form (: TERM TYPE).  The atom may contain", _3460)
   Exit: (210) [system] string_concat(u, "nder the form (: TERM TYPE).  The atom may contain", "under the form (: TERM TYPE).  The atom may contain")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "under the form (: TERM TYPE).  The atom may contain")
   Call: (209) [system] string_concat(' ', "under the form (: TERM TYPE).  The atom may contain", _3456)
   Exit: (209) [system] string_concat(' ', "under the form (: TERM TYPE).  The atom may contain", " under the form (: TERM TYPE).  The atom may contain")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), " under the form (: TERM TYPE).  The atom may contain")
   Call: (208) [system] string_concat(m, " under the form (: TERM TYPE).  The atom may contain", _3452)
   Exit: (208) [system] string_concat(m, " under the form (: TERM TYPE).  The atom may contain", "m under the form (: TERM TYPE).  The atom may contain")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "m under the form (: TERM TYPE).  The atom may contain")
   Call: (207) [system] string_concat(o, "m under the form (: TERM TYPE).  The atom may contain", _3448)
   Exit: (207) [system] string_concat(o, "m under the form (: TERM TYPE).  The atom may contain", "om under the form (: TERM TYPE).  The atom may contain")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "om under the form (: TERM TYPE).  The atom may contain")
   Call: (206) [system] string_concat(t, "om under the form (: TERM TYPE).  The atom may contain", _3444)
   Exit: (206) [system] string_concat(t, "om under the form (: TERM TYPE).  The atom may contain", "tom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "tom under the form (: TERM TYPE).  The atom may contain")
   Call: (205) [system] string_concat('A', "tom under the form (: TERM TYPE).  The atom may contain", _3440)
   Exit: (205) [system] string_concat('A', "tom under the form (: TERM TYPE).  The atom may contain", "Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (204) [system] string_concat(' ', "Atom under the form (: TERM TYPE).  The atom may contain", _3436)
   Exit: (204) [system] string_concat(' ', "Atom under the form (: TERM TYPE).  The atom may contain", " Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), " Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (203) [system] string_concat(n, " Atom under the form (: TERM TYPE).  The atom may contain", _3432)
   Exit: (203) [system] string_concat(n, " Atom under the form (: TERM TYPE).  The atom may contain", "n Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "n Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (202) [system] string_concat(a, "n Atom under the form (: TERM TYPE).  The atom may contain", _3428)
   Exit: (202) [system] string_concat(a, "n Atom under the form (: TERM TYPE).  The atom may contain", "an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (201) [system] string_concat(' ', "an Atom under the form (: TERM TYPE).  The atom may contain", _3424)
   Exit: (201) [system] string_concat(' ', "an Atom under the form (: TERM TYPE).  The atom may contain", " an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), " an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (200) [system] string_concat(:, " an Atom under the form (: TERM TYPE).  The atom may contain", _3420)
   Exit: (200) [system] string_concat(:, " an Atom under the form (: TERM TYPE).  The atom may contain", ": an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), ": an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (199) [system] string_concat(y, ": an Atom under the form (: TERM TYPE).  The atom may contain", _3416)
   Exit: (199) [system] string_concat(y, ": an Atom under the form (: TERM TYPE).  The atom may contain", "y: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "y: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (198) [system] string_concat(r, "y: an Atom under the form (: TERM TYPE).  The atom may contain", _3412)
   Exit: (198) [system] string_concat(r, "y: an Atom under the form (: TERM TYPE).  The atom may contain", "ry: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "ry: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (197) [system] string_concat(e, "ry: an Atom under the form (: TERM TYPE).  The atom may contain", _3408)
   Exit: (197) [system] string_concat(e, "ry: an Atom under the form (: TERM TYPE).  The atom may contain", "ery: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "ery: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (196) [system] string_concat(u, "ery: an Atom under the form (: TERM TYPE).  The atom may contain", _3404)
   Exit: (196) [system] string_concat(u, "ery: an Atom under the form (: TERM TYPE).  The atom may contain", "uery: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "uery: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (195) [system] string_concat(q, "uery: an Atom under the form (: TERM TYPE).  The atom may contain", _3400)
   Exit: (195) [system] string_concat(q, "uery: an Atom under the form (: TERM TYPE).  The atom may contain", "query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (194) [system] string_concat($, "query: an Atom under the form (: TERM TYPE).  The atom may contain", _3396)
   Exit: (194) [system] string_concat($, "query: an Atom under the form (: TERM TYPE).  The atom may contain", "$query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "$query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (193) [system] string_concat(' ', "$query: an Atom under the form (: TERM TYPE).  The atom may contain", _3392)
   Exit: (193) [system] string_concat(' ', "$query: an Atom under the form (: TERM TYPE).  The atom may contain", " $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), " $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (192) [system] string_concat(;, " $query: an Atom under the form (: TERM TYPE).  The atom may contain", _3388)
   Exit: (192) [system] string_concat(;, " $query: an Atom under the form (: TERM TYPE).  The atom may contain", "; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (191) [system] string_concat(;, "; $query: an Atom under the form (: TERM TYPE).  The atom may contain", _3384)
   Exit: (191) [system] string_concat(;, "; $query: an Atom under the form (: TERM TYPE).  The atom may contain", ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Call: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (189) [user] read_comment((0x558d99e6bec0))
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _126894)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ;)
   Call: (190) [system] (;)=(;)
   Exit: (190) [system] (;)=(;)
^  Call: (190) [user] read_comment((0x558d99e6bec0))
^  Call: (191) [user] read_position((0x558d99e6bec0), _131532, _131534, _131536, _131538)
   Call: (192) [system] stream_property((0x558d99e6bec0), position(_131538))
   Call: (193) [system] nonvar((0x558d99e6bec0))
   Exit: (193) [system] nonvar((0x558d99e6bec0))
   Call: (193) [system] nonvar(position(_131538))
   Exit: (193) [system] nonvar(position(_131538))
   Exit: (192) [system] stream_property((0x558d99e6bec0), position('$stream_position'(616, 25, 0, 616)))
   Call: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), _131532)
   Call: (193) [system] nonvar(line_count)
   Exit: (193) [system] nonvar(line_count)
   Call: (193) [$syspreds] stream_position_field(line_count, _140826)
   Exit: (193) [$syspreds] stream_position_field(line_count, 2)
   Call: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), _131532)
   Exit: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), 25)
   Exit: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), 25)
   Call: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), _131534)
   Call: (193) [system] nonvar(line_position)
   Exit: (193) [system] nonvar(line_position)
   Call: (193) [$syspreds] stream_position_field(line_position, _148260)
   Exit: (193) [$syspreds] stream_position_field(line_position, 3)
   Call: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), _131534)
   Exit: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), 0)
   Exit: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), 0)
   Call: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), _131536)
   Call: (193) [system] nonvar(char_count)
   Exit: (193) [system] nonvar(char_count)
   Call: (193) [$syspreds] stream_position_field(char_count, _155694)
   Exit: (193) [$syspreds] stream_position_field(char_count, 1)
   Call: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), _131536)
   Exit: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), 616)
   Exit: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), 616)
^  Exit: (191) [user] read_position((0x558d99e6bec0), 25, 0, 616, '$stream_position'(616, 25, 0, 616))
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _161288)
   Call: (192) [system] get_char((0x558d99e6bec0), _162218)
   Exit: (192) [system] get_char((0x558d99e6bec0), ;)
   Call: (192) [system] char_type(;, end_of_line)
   Fail: (192) [system] char_type(;, end_of_line)
   Call: (192) [system] (;)=end_of_file
   Fail: (192) [system] (;)=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _167788)
   Call: (193) [system] get_char((0x558d99e6bec0), _168718)
   Exit: (193) [system] get_char((0x558d99e6bec0), ;)
   Call: (193) [system] char_type(;, end_of_line)
   Fail: (193) [system] char_type(;, end_of_line)
   Call: (193) [system] (;)=end_of_file
   Fail: (193) [system] (;)=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _174288)
   Call: (194) [system] get_char((0x558d99e6bec0), _175218)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Fail: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
   Fail: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _180788)
   Call: (195) [system] get_char((0x558d99e6bec0), _181718)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _187288)
   Call: (196) [system] get_char((0x558d99e6bec0), _188218)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Fail: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
   Fail: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _193788)
   Call: (197) [system] get_char((0x558d99e6bec0), _194718)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _200288)
   Call: (198) [system] get_char((0x558d99e6bec0), _201218)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Fail: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
   Fail: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _206788)
   Call: (199) [system] get_char((0x558d99e6bec0), _207718)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _213288)
   Call: (200) [system] get_char((0x558d99e6bec0), _214218)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _219788)
   Call: (201) [system] get_char((0x558d99e6bec0), _220718)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _226288)
   Call: (202) [system] get_char((0x558d99e6bec0), _227218)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _232788)
   Call: (203) [system] get_char((0x558d99e6bec0), _233718)
   Exit: (203) [system] get_char((0x558d99e6bec0), f)
   Call: (203) [system] char_type(f, end_of_line)
   Fail: (203) [system] char_type(f, end_of_line)
   Call: (203) [system] f=end_of_file
   Fail: (203) [system] f=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _239288)
   Call: (204) [system] get_char((0x558d99e6bec0), _240218)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] char_type(r, end_of_line)
   Fail: (204) [system] char_type(r, end_of_line)
   Call: (204) [system] r=end_of_file
   Fail: (204) [system] r=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _245788)
   Call: (205) [system] get_char((0x558d99e6bec0), _246718)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] char_type(e, end_of_line)
   Fail: (205) [system] char_type(e, end_of_line)
   Call: (205) [system] e=end_of_file
   Fail: (205) [system] e=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _252288)
   Call: (206) [system] get_char((0x558d99e6bec0), _253218)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] char_type(e, end_of_line)
   Fail: (206) [system] char_type(e, end_of_line)
   Call: (206) [system] e=end_of_file
   Fail: (206) [system] e=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _258788)
   Call: (207) [system] get_char((0x558d99e6bec0), _259718)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _265288)
   Call: (208) [system] get_char((0x558d99e6bec0), _266218)
   Exit: (208) [system] get_char((0x558d99e6bec0), v)
   Call: (208) [system] char_type(v, end_of_line)
   Fail: (208) [system] char_type(v, end_of_line)
   Call: (208) [system] v=end_of_file
   Fail: (208) [system] v=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _271788)
   Call: (209) [system] get_char((0x558d99e6bec0), _272718)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _278288)
   Call: (210) [system] get_char((0x558d99e6bec0), _279218)
   Exit: (210) [system] get_char((0x558d99e6bec0), r)
   Call: (210) [system] char_type(r, end_of_line)
   Fail: (210) [system] char_type(r, end_of_line)
   Call: (210) [system] r=end_of_file
   Fail: (210) [system] r=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _284788)
   Call: (211) [system] get_char((0x558d99e6bec0), _285718)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] char_type(i, end_of_line)
   Fail: (211) [system] char_type(i, end_of_line)
   Call: (211) [system] i=end_of_file
   Fail: (211) [system] i=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _291288)
   Call: (212) [system] get_char((0x558d99e6bec0), _292218)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _297788)
   Call: (213) [system] get_char((0x558d99e6bec0), _298718)
   Exit: (213) [system] get_char((0x558d99e6bec0), b)
   Call: (213) [system] char_type(b, end_of_line)
   Fail: (213) [system] char_type(b, end_of_line)
   Call: (213) [system] b=end_of_file
   Fail: (213) [system] b=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _304288)
   Call: (214) [system] get_char((0x558d99e6bec0), _305218)
   Exit: (214) [system] get_char((0x558d99e6bec0), l)
   Call: (214) [system] char_type(l, end_of_line)
   Fail: (214) [system] char_type(l, end_of_line)
   Call: (214) [system] l=end_of_file
   Fail: (214) [system] l=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _310788)
   Call: (215) [system] get_char((0x558d99e6bec0), _311718)
   Exit: (215) [system] get_char((0x558d99e6bec0), e)
   Call: (215) [system] char_type(e, end_of_line)
   Fail: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
   Fail: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _317288)
   Call: (216) [system] get_char((0x558d99e6bec0), _318218)
   Exit: (216) [system] get_char((0x558d99e6bec0), s)
   Call: (216) [system] char_type(s, end_of_line)
   Fail: (216) [system] char_type(s, end_of_line)
   Call: (216) [system] s=end_of_file
   Fail: (216) [system] s=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _323788)
   Call: (217) [system] get_char((0x558d99e6bec0), _324718)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Fail: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
   Fail: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _330288)
   Call: (218) [system] get_char((0x558d99e6bec0), _331218)
   Exit: (218) [system] get_char((0x558d99e6bec0), w)
   Call: (218) [system] char_type(w, end_of_line)
   Fail: (218) [system] char_type(w, end_of_line)
   Call: (218) [system] w=end_of_file
   Fail: (218) [system] w=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _336788)
   Call: (219) [system] get_char((0x558d99e6bec0), _337718)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] char_type(i, end_of_line)
   Fail: (219) [system] char_type(i, end_of_line)
   Call: (219) [system] i=end_of_file
   Fail: (219) [system] i=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _343288)
   Call: (220) [system] get_char((0x558d99e6bec0), _344218)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] char_type(t, end_of_line)
   Fail: (220) [system] char_type(t, end_of_line)
   Call: (220) [system] t=end_of_file
   Fail: (220) [system] t=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _349788)
   Call: (221) [system] get_char((0x558d99e6bec0), _350718)
   Exit: (221) [system] get_char((0x558d99e6bec0), h)
   Call: (221) [system] char_type(h, end_of_line)
   Fail: (221) [system] char_type(h, end_of_line)
   Call: (221) [system] h=end_of_file
   Fail: (221) [system] h=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _356288)
   Call: (222) [system] get_char((0x558d99e6bec0), _357218)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] char_type(i, end_of_line)
   Fail: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
   Fail: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _362788)
   Call: (223) [system] get_char((0x558d99e6bec0), _363718)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] char_type(n, end_of_line)
   Fail: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
   Fail: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _369288)
   Call: (224) [system] get_char((0x558d99e6bec0), _370218)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Fail: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
   Fail: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _375788)
   Call: (225) [system] get_char((0x558d99e6bec0), _376718)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'T')
   Call: (225) [system] char_type('T', end_of_line)
   Fail: (225) [system] char_type('T', end_of_line)
   Call: (225) [system] 'T'=end_of_file
   Fail: (225) [system] 'T'=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _382288)
   Call: (226) [system] get_char((0x558d99e6bec0), _383218)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'E')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _388788)
   Call: (227) [system] get_char((0x558d99e6bec0), _389718)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'R')
   Call: (227) [system] char_type('R', end_of_line)
   Fail: (227) [system] char_type('R', end_of_line)
   Call: (227) [system] 'R'=end_of_file
   Fail: (227) [system] 'R'=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _395288)
   Call: (228) [system] get_char((0x558d99e6bec0), _396218)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'M')
   Call: (228) [system] char_type('M', end_of_line)
   Fail: (228) [system] char_type('M', end_of_line)
   Call: (228) [system] 'M'=end_of_file
   Fail: (228) [system] 'M'=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _401788)
   Call: (229) [system] get_char((0x558d99e6bec0), _402718)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
   Call: (229) [system] char_type(' ', end_of_line)
   Fail: (229) [system] char_type(' ', end_of_line)
   Call: (229) [system] ' '=end_of_file
   Fail: (229) [system] ' '=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _408288)
   Call: (230) [system] get_char((0x558d99e6bec0), _409218)
   Exit: (230) [system] get_char((0x558d99e6bec0), a)
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _414788)
   Call: (231) [system] get_char((0x558d99e6bec0), _415718)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] char_type(n, end_of_line)
   Fail: (231) [system] char_type(n, end_of_line)
   Call: (231) [system] n=end_of_file
   Fail: (231) [system] n=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _421288)
   Call: (232) [system] get_char((0x558d99e6bec0), _422218)
   Exit: (232) [system] get_char((0x558d99e6bec0), d)
   Call: (232) [system] char_type(d, end_of_line)
   Fail: (232) [system] char_type(d, end_of_line)
   Call: (232) [system] d=end_of_file
   Fail: (232) [system] d=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _427788)
   Call: (233) [system] get_char((0x558d99e6bec0), _428718)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
   Call: (233) [system] char_type(' ', end_of_line)
   Fail: (233) [system] char_type(' ', end_of_line)
   Call: (233) [system] ' '=end_of_file
   Fail: (233) [system] ' '=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _434288)
   Call: (234) [system] get_char((0x558d99e6bec0), _435218)
   Exit: (234) [system] get_char((0x558d99e6bec0), 'T')
   Call: (234) [system] char_type('T', end_of_line)
   Fail: (234) [system] char_type('T', end_of_line)
   Call: (234) [system] 'T'=end_of_file
   Fail: (234) [system] 'T'=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _440788)
   Call: (235) [system] get_char((0x558d99e6bec0), _441718)
   Exit: (235) [system] get_char((0x558d99e6bec0), 'Y')
   Call: (235) [system] char_type('Y', end_of_line)
   Fail: (235) [system] char_type('Y', end_of_line)
   Call: (235) [system] 'Y'=end_of_file
   Fail: (235) [system] 'Y'=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _447288)
   Call: (236) [system] get_char((0x558d99e6bec0), _448218)
   Exit: (236) [system] get_char((0x558d99e6bec0), 'P')
   Call: (236) [system] char_type('P', end_of_line)
   Fail: (236) [system] char_type('P', end_of_line)
   Call: (236) [system] 'P'=end_of_file
   Fail: (236) [system] 'P'=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _453788)
   Call: (237) [system] get_char((0x558d99e6bec0), _454718)
   Exit: (237) [system] get_char((0x558d99e6bec0), 'E')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] 'E'=end_of_file
   Fail: (237) [system] 'E'=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _460288)
   Call: (238) [system] get_char((0x558d99e6bec0), _461218)
   Exit: (238) [system] get_char((0x558d99e6bec0), ' ')
   Call: (238) [system] char_type(' ', end_of_line)
   Fail: (238) [system] char_type(' ', end_of_line)
   Call: (238) [system] ' '=end_of_file
   Fail: (238) [system] ' '=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _466788)
   Call: (239) [system] get_char((0x558d99e6bec0), _467718)
   Exit: (239) [system] get_char((0x558d99e6bec0), t)
   Call: (239) [system] char_type(t, end_of_line)
   Fail: (239) [system] char_type(t, end_of_line)
   Call: (239) [system] t=end_of_file
   Fail: (239) [system] t=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _473288)
   Call: (240) [system] get_char((0x558d99e6bec0), _474218)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] char_type(o, end_of_line)
   Fail: (240) [system] char_type(o, end_of_line)
   Call: (240) [system] o=end_of_file
   Fail: (240) [system] o=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _479788)
   Call: (241) [system] get_char((0x558d99e6bec0), _480718)
   Exit: (241) [system] get_char((0x558d99e6bec0), ' ')
   Call: (241) [system] char_type(' ', end_of_line)
   Fail: (241) [system] char_type(' ', end_of_line)
   Call: (241) [system] ' '=end_of_file
   Fail: (241) [system] ' '=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _486288)
   Call: (242) [system] get_char((0x558d99e6bec0), _487218)
   Exit: (242) [system] get_char((0x558d99e6bec0), f)
   Call: (242) [system] char_type(f, end_of_line)
   Fail: (242) [system] char_type(f, end_of_line)
   Call: (242) [system] f=end_of_file
   Fail: (242) [system] f=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _492788)
   Call: (243) [system] get_char((0x558d99e6bec0), _493718)
   Exit: (243) [system] get_char((0x558d99e6bec0), o)
   Call: (243) [system] char_type(o, end_of_line)
   Fail: (243) [system] char_type(o, end_of_line)
   Call: (243) [system] o=end_of_file
   Fail: (243) [system] o=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _499288)
   Call: (244) [system] get_char((0x558d99e6bec0), _500218)
   Exit: (244) [system] get_char((0x558d99e6bec0), r)
   Call: (244) [system] char_type(r, end_of_line)
   Fail: (244) [system] char_type(r, end_of_line)
   Call: (244) [system] r=end_of_file
   Fail: (244) [system] r=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _505788)
   Call: (245) [system] get_char((0x558d99e6bec0), _506718)
   Exit: (245) [system] get_char((0x558d99e6bec0), m)
   Call: (245) [system] char_type(m, end_of_line)
   Fail: (245) [system] char_type(m, end_of_line)
   Call: (245) [system] m=end_of_file
   Fail: (245) [system] m=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _512288)
   Call: (246) [system] get_char((0x558d99e6bec0), _513218)
   Exit: (246) [system] get_char((0x558d99e6bec0), ' ')
   Call: (246) [system] char_type(' ', end_of_line)
   Fail: (246) [system] char_type(' ', end_of_line)
   Call: (246) [system] ' '=end_of_file
   Fail: (246) [system] ' '=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _518788)
   Call: (247) [system] get_char((0x558d99e6bec0), _519718)
   Exit: (247) [system] get_char((0x558d99e6bec0), v)
   Call: (247) [system] char_type(v, end_of_line)
   Fail: (247) [system] char_type(v, end_of_line)
   Call: (247) [system] v=end_of_file
   Fail: (247) [system] v=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _525288)
   Call: (248) [system] get_char((0x558d99e6bec0), _526218)
   Exit: (248) [system] get_char((0x558d99e6bec0), a)
   Call: (248) [system] char_type(a, end_of_line)
   Fail: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] a=end_of_file
   Fail: (248) [system] a=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _531788)
   Call: (249) [system] get_char((0x558d99e6bec0), _532718)
   Exit: (249) [system] get_char((0x558d99e6bec0), r)
   Call: (249) [system] char_type(r, end_of_line)
   Fail: (249) [system] char_type(r, end_of_line)
   Call: (249) [system] r=end_of_file
   Fail: (249) [system] r=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _538288)
   Call: (250) [system] get_char((0x558d99e6bec0), _539218)
   Exit: (250) [system] get_char((0x558d99e6bec0), i)
   Call: (250) [system] char_type(i, end_of_line)
   Fail: (250) [system] char_type(i, end_of_line)
   Call: (250) [system] i=end_of_file
   Fail: (250) [system] i=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _544788)
   Call: (251) [system] get_char((0x558d99e6bec0), _545718)
   Exit: (251) [system] get_char((0x558d99e6bec0), o)
   Call: (251) [system] char_type(o, end_of_line)
   Fail: (251) [system] char_type(o, end_of_line)
   Call: (251) [system] o=end_of_file
   Fail: (251) [system] o=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _551288)
   Call: (252) [system] get_char((0x558d99e6bec0), _552218)
   Exit: (252) [system] get_char((0x558d99e6bec0), u)
   Call: (252) [system] char_type(u, end_of_line)
   Fail: (252) [system] char_type(u, end_of_line)
   Call: (252) [system] u=end_of_file
   Fail: (252) [system] u=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _557788)
   Call: (253) [system] get_char((0x558d99e6bec0), _558718)
   Exit: (253) [system] get_char((0x558d99e6bec0), s)
   Call: (253) [system] char_type(s, end_of_line)
   Fail: (253) [system] char_type(s, end_of_line)
   Call: (253) [system] s=end_of_file
   Fail: (253) [system] s=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _564288)
   Call: (254) [system] get_char((0x558d99e6bec0), _565218)
   Exit: (254) [system] get_char((0x558d99e6bec0), ' ')
   Call: (254) [system] char_type(' ', end_of_line)
   Fail: (254) [system] char_type(' ', end_of_line)
   Call: (254) [system] ' '=end_of_file
   Fail: (254) [system] ' '=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _570788)
   Call: (255) [system] get_char((0x558d99e6bec0), _571718)
   Exit: (255) [system] get_char((0x558d99e6bec0), s)
   Call: (255) [system] char_type(s, end_of_line)
   Fail: (255) [system] char_type(s, end_of_line)
   Call: (255) [system] s=end_of_file
   Fail: (255) [system] s=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _577288)
   Call: (256) [system] get_char((0x558d99e6bec0), _578218)
   Exit: (256) [system] get_char((0x558d99e6bec0), o)
   Call: (256) [system] char_type(o, end_of_line)
   Fail: (256) [system] char_type(o, end_of_line)
   Call: (256) [system] o=end_of_file
   Fail: (256) [system] o=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _583788)
   Call: (257) [system] get_char((0x558d99e6bec0), _584718)
   Exit: (257) [system] get_char((0x558d99e6bec0), r)
   Call: (257) [system] char_type(r, end_of_line)
   Fail: (257) [system] char_type(r, end_of_line)
   Call: (257) [system] r=end_of_file
   Fail: (257) [system] r=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _590288)
   Call: (258) [system] get_char((0x558d99e6bec0), _591218)
   Exit: (258) [system] get_char((0x558d99e6bec0), t)
   Call: (258) [system] char_type(t, end_of_line)
   Fail: (258) [system] char_type(t, end_of_line)
   Call: (258) [system] t=end_of_file
   Fail: (258) [system] t=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _596788)
   Call: (259) [system] get_char((0x558d99e6bec0), _597718)
   Exit: (259) [system] get_char((0x558d99e6bec0), ' ')
   Call: (259) [system] char_type(' ', end_of_line)
   Fail: (259) [system] char_type(' ', end_of_line)
   Call: (259) [system] ' '=end_of_file
   Fail: (259) [system] ' '=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _603288)
   Call: (260) [system] get_char((0x558d99e6bec0), _604218)
   Exit: (260) [system] get_char((0x558d99e6bec0), o)
   Call: (260) [system] char_type(o, end_of_line)
   Fail: (260) [system] char_type(o, end_of_line)
   Call: (260) [system] o=end_of_file
   Fail: (260) [system] o=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _609788)
   Call: (261) [system] get_char((0x558d99e6bec0), _610718)
   Exit: (261) [system] get_char((0x558d99e6bec0), f)
   Call: (261) [system] char_type(f, end_of_line)
   Fail: (261) [system] char_type(f, end_of_line)
   Call: (261) [system] f=end_of_file
   Fail: (261) [system] f=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _616288)
   Call: (262) [system] get_char((0x558d99e6bec0), _617218)
   Exit: (262) [system] get_char((0x558d99e6bec0), '\n')
   Call: (262) [system] char_type('\n', end_of_line)
   Exit: (262) [system] char_type('\n', end_of_line)
   Call: (262) [system] _616288=""
   Exit: (262) [system] ""=""
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (261) [system] string_concat(f, "", _609788)
   Exit: (261) [system] string_concat(f, "", "f")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "f")
   Call: (260) [system] string_concat(o, "f", _603288)
   Exit: (260) [system] string_concat(o, "f", "of")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "of")
   Call: (259) [system] string_concat(' ', "of", _596788)
   Exit: (259) [system] string_concat(' ', "of", " of")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), " of")
   Call: (258) [system] string_concat(t, " of", _590288)
   Exit: (258) [system] string_concat(t, " of", "t of")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "t of")
   Call: (257) [system] string_concat(r, "t of", _583788)
   Exit: (257) [system] string_concat(r, "t of", "rt of")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "rt of")
   Call: (256) [system] string_concat(o, "rt of", _577288)
   Exit: (256) [system] string_concat(o, "rt of", "ort of")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "ort of")
   Call: (255) [system] string_concat(s, "ort of", _570788)
   Exit: (255) [system] string_concat(s, "ort of", "sort of")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "sort of")
   Call: (254) [system] string_concat(' ', "sort of", _564288)
   Exit: (254) [system] string_concat(' ', "sort of", " sort of")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), " sort of")
   Call: (253) [system] string_concat(s, " sort of", _557788)
   Exit: (253) [system] string_concat(s, " sort of", "s sort of")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "s sort of")
   Call: (252) [system] string_concat(u, "s sort of", _551288)
   Exit: (252) [system] string_concat(u, "s sort of", "us sort of")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "us sort of")
   Call: (251) [system] string_concat(o, "us sort of", _544788)
   Exit: (251) [system] string_concat(o, "us sort of", "ous sort of")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "ous sort of")
   Call: (250) [system] string_concat(i, "ous sort of", _538288)
   Exit: (250) [system] string_concat(i, "ous sort of", "ious sort of")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "ious sort of")
   Call: (249) [system] string_concat(r, "ious sort of", _531788)
   Exit: (249) [system] string_concat(r, "ious sort of", "rious sort of")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "rious sort of")
   Call: (248) [system] string_concat(a, "rious sort of", _525288)
   Exit: (248) [system] string_concat(a, "rious sort of", "arious sort of")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "arious sort of")
   Call: (247) [system] string_concat(v, "arious sort of", _518788)
   Exit: (247) [system] string_concat(v, "arious sort of", "various sort of")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "various sort of")
   Call: (246) [system] string_concat(' ', "various sort of", _512288)
   Exit: (246) [system] string_concat(' ', "various sort of", " various sort of")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), " various sort of")
   Call: (245) [system] string_concat(m, " various sort of", _505788)
   Exit: (245) [system] string_concat(m, " various sort of", "m various sort of")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "m various sort of")
   Call: (244) [system] string_concat(r, "m various sort of", _499288)
   Exit: (244) [system] string_concat(r, "m various sort of", "rm various sort of")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "rm various sort of")
   Call: (243) [system] string_concat(o, "rm various sort of", _492788)
   Exit: (243) [system] string_concat(o, "rm various sort of", "orm various sort of")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "orm various sort of")
   Call: (242) [system] string_concat(f, "orm various sort of", _486288)
   Exit: (242) [system] string_concat(f, "orm various sort of", "form various sort of")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "form various sort of")
   Call: (241) [system] string_concat(' ', "form various sort of", _479788)
   Exit: (241) [system] string_concat(' ', "form various sort of", " form various sort of")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), " form various sort of")
   Call: (240) [system] string_concat(o, " form various sort of", _473288)
   Exit: (240) [system] string_concat(o, " form various sort of", "o form various sort of")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "o form various sort of")
   Call: (239) [system] string_concat(t, "o form various sort of", _466788)
   Exit: (239) [system] string_concat(t, "o form various sort of", "to form various sort of")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "to form various sort of")
   Call: (238) [system] string_concat(' ', "to form various sort of", _460288)
   Exit: (238) [system] string_concat(' ', "to form various sort of", " to form various sort of")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), " to form various sort of")
   Call: (237) [system] string_concat('E', " to form various sort of", _453788)
   Exit: (237) [system] string_concat('E', " to form various sort of", "E to form various sort of")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "E to form various sort of")
   Call: (236) [system] string_concat('P', "E to form various sort of", _447288)
   Exit: (236) [system] string_concat('P', "E to form various sort of", "PE to form various sort of")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "PE to form various sort of")
   Call: (235) [system] string_concat('Y', "PE to form various sort of", _440788)
   Exit: (235) [system] string_concat('Y', "PE to form various sort of", "YPE to form various sort of")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "YPE to form various sort of")
   Call: (234) [system] string_concat('T', "YPE to form various sort of", _434288)
   Exit: (234) [system] string_concat('T', "YPE to form various sort of", "TYPE to form various sort of")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "TYPE to form various sort of")
   Call: (233) [system] string_concat(' ', "TYPE to form various sort of", _427788)
   Exit: (233) [system] string_concat(' ', "TYPE to form various sort of", " TYPE to form various sort of")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), " TYPE to form various sort of")
   Call: (232) [system] string_concat(d, " TYPE to form various sort of", _421288)
   Exit: (232) [system] string_concat(d, " TYPE to form various sort of", "d TYPE to form various sort of")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "d TYPE to form various sort of")
   Call: (231) [system] string_concat(n, "d TYPE to form various sort of", _414788)
   Exit: (231) [system] string_concat(n, "d TYPE to form various sort of", "nd TYPE to form various sort of")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "nd TYPE to form various sort of")
   Call: (230) [system] string_concat(a, "nd TYPE to form various sort of", _408288)
   Exit: (230) [system] string_concat(a, "nd TYPE to form various sort of", "and TYPE to form various sort of")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "and TYPE to form various sort of")
   Call: (229) [system] string_concat(' ', "and TYPE to form various sort of", _401788)
   Exit: (229) [system] string_concat(' ', "and TYPE to form various sort of", " and TYPE to form various sort of")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), " and TYPE to form various sort of")
   Call: (228) [system] string_concat('M', " and TYPE to form various sort of", _395288)
   Exit: (228) [system] string_concat('M', " and TYPE to form various sort of", "M and TYPE to form various sort of")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "M and TYPE to form various sort of")
   Call: (227) [system] string_concat('R', "M and TYPE to form various sort of", _388788)
   Exit: (227) [system] string_concat('R', "M and TYPE to form various sort of", "RM and TYPE to form various sort of")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "RM and TYPE to form various sort of")
   Call: (226) [system] string_concat('E', "RM and TYPE to form various sort of", _382288)
   Exit: (226) [system] string_concat('E', "RM and TYPE to form various sort of", "ERM and TYPE to form various sort of")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "ERM and TYPE to form various sort of")
   Call: (225) [system] string_concat('T', "ERM and TYPE to form various sort of", _375788)
   Exit: (225) [system] string_concat('T', "ERM and TYPE to form various sort of", "TERM and TYPE to form various sort of")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "TERM and TYPE to form various sort of")
   Call: (224) [system] string_concat(' ', "TERM and TYPE to form various sort of", _369288)
   Exit: (224) [system] string_concat(' ', "TERM and TYPE to form various sort of", " TERM and TYPE to form various sort of")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), " TERM and TYPE to form various sort of")
   Call: (223) [system] string_concat(n, " TERM and TYPE to form various sort of", _362788)
   Exit: (223) [system] string_concat(n, " TERM and TYPE to form various sort of", "n TERM and TYPE to form various sort of")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "n TERM and TYPE to form various sort of")
   Call: (222) [system] string_concat(i, "n TERM and TYPE to form various sort of", _356288)
   Exit: (222) [system] string_concat(i, "n TERM and TYPE to form various sort of", "in TERM and TYPE to form various sort of")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "in TERM and TYPE to form various sort of")
   Call: (221) [system] string_concat(h, "in TERM and TYPE to form various sort of", _349788)
   Exit: (221) [system] string_concat(h, "in TERM and TYPE to form various sort of", "hin TERM and TYPE to form various sort of")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "hin TERM and TYPE to form various sort of")
   Call: (220) [system] string_concat(t, "hin TERM and TYPE to form various sort of", _343288)
   Exit: (220) [system] string_concat(t, "hin TERM and TYPE to form various sort of", "thin TERM and TYPE to form various sort of")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "thin TERM and TYPE to form various sort of")
   Call: (219) [system] string_concat(i, "thin TERM and TYPE to form various sort of", _336788)
   Exit: (219) [system] string_concat(i, "thin TERM and TYPE to form various sort of", "ithin TERM and TYPE to form various sort of")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "ithin TERM and TYPE to form various sort of")
   Call: (218) [system] string_concat(w, "ithin TERM and TYPE to form various sort of", _330288)
   Exit: (218) [system] string_concat(w, "ithin TERM and TYPE to form various sort of", "within TERM and TYPE to form various sort of")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "within TERM and TYPE to form various sort of")
   Call: (217) [system] string_concat(' ', "within TERM and TYPE to form various sort of", _323788)
   Exit: (217) [system] string_concat(' ', "within TERM and TYPE to form various sort of", " within TERM and TYPE to form various sort of")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), " within TERM and TYPE to form various sort of")
   Call: (216) [system] string_concat(s, " within TERM and TYPE to form various sort of", _317288)
   Exit: (216) [system] string_concat(s, " within TERM and TYPE to form various sort of", "s within TERM and TYPE to form various sort of")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "s within TERM and TYPE to form various sort of")
   Call: (215) [system] string_concat(e, "s within TERM and TYPE to form various sort of", _310788)
   Exit: (215) [system] string_concat(e, "s within TERM and TYPE to form various sort of", "es within TERM and TYPE to form various sort of")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "es within TERM and TYPE to form various sort of")
   Call: (214) [system] string_concat(l, "es within TERM and TYPE to form various sort of", _304288)
   Exit: (214) [system] string_concat(l, "es within TERM and TYPE to form various sort of", "les within TERM and TYPE to form various sort of")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "les within TERM and TYPE to form various sort of")
   Call: (213) [system] string_concat(b, "les within TERM and TYPE to form various sort of", _297788)
   Exit: (213) [system] string_concat(b, "les within TERM and TYPE to form various sort of", "bles within TERM and TYPE to form various sort of")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "bles within TERM and TYPE to form various sort of")
   Call: (212) [system] string_concat(a, "bles within TERM and TYPE to form various sort of", _291288)
   Exit: (212) [system] string_concat(a, "bles within TERM and TYPE to form various sort of", "ables within TERM and TYPE to form various sort of")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "ables within TERM and TYPE to form various sort of")
   Call: (211) [system] string_concat(i, "ables within TERM and TYPE to form various sort of", _284788)
   Exit: (211) [system] string_concat(i, "ables within TERM and TYPE to form various sort of", "iables within TERM and TYPE to form various sort of")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "iables within TERM and TYPE to form various sort of")
   Call: (210) [system] string_concat(r, "iables within TERM and TYPE to form various sort of", _278288)
   Exit: (210) [system] string_concat(r, "iables within TERM and TYPE to form various sort of", "riables within TERM and TYPE to form various sort of")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "riables within TERM and TYPE to form various sort of")
   Call: (209) [system] string_concat(a, "riables within TERM and TYPE to form various sort of", _271788)
   Exit: (209) [system] string_concat(a, "riables within TERM and TYPE to form various sort of", "ariables within TERM and TYPE to form various sort of")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "ariables within TERM and TYPE to form various sort of")
   Call: (208) [system] string_concat(v, "ariables within TERM and TYPE to form various sort of", _265288)
   Exit: (208) [system] string_concat(v, "ariables within TERM and TYPE to form various sort of", "variables within TERM and TYPE to form various sort of")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "variables within TERM and TYPE to form various sort of")
   Call: (207) [system] string_concat(' ', "variables within TERM and TYPE to form various sort of", _258788)
   Exit: (207) [system] string_concat(' ', "variables within TERM and TYPE to form various sort of", " variables within TERM and TYPE to form various sort of")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), " variables within TERM and TYPE to form various sort of")
   Call: (206) [system] string_concat(e, " variables within TERM and TYPE to form various sort of", _252288)
   Exit: (206) [system] string_concat(e, " variables within TERM and TYPE to form various sort of", "e variables within TERM and TYPE to form various sort of")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "e variables within TERM and TYPE to form various sort of")
   Call: (205) [system] string_concat(e, "e variables within TERM and TYPE to form various sort of", _245788)
   Exit: (205) [system] string_concat(e, "e variables within TERM and TYPE to form various sort of", "ee variables within TERM and TYPE to form various sort of")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "ee variables within TERM and TYPE to form various sort of")
   Call: (204) [system] string_concat(r, "ee variables within TERM and TYPE to form various sort of", _239288)
   Exit: (204) [system] string_concat(r, "ee variables within TERM and TYPE to form various sort of", "ree variables within TERM and TYPE to form various sort of")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "ree variables within TERM and TYPE to form various sort of")
   Call: (203) [system] string_concat(f, "ree variables within TERM and TYPE to form various sort of", _232788)
   Exit: (203) [system] string_concat(f, "ree variables within TERM and TYPE to form various sort of", "free variables within TERM and TYPE to form various sort of")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "free variables within TERM and TYPE to form various sort of")
   Call: (202) [system] string_concat(' ', "free variables within TERM and TYPE to form various sort of", _226288)
   Exit: (202) [system] string_concat(' ', "free variables within TERM and TYPE to form various sort of", " free variables within TERM and TYPE to form various sort of")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), " free variables within TERM and TYPE to form various sort of")
   Call: (201) [system] string_concat(' ', " free variables within TERM and TYPE to form various sort of", _219788)
   Exit: (201) [system] string_concat(' ', " free variables within TERM and TYPE to form various sort of", "  free variables within TERM and TYPE to form various sort of")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "  free variables within TERM and TYPE to form various sort of")
   Call: (200) [system] string_concat(' ', "  free variables within TERM and TYPE to form various sort of", _213288)
   Exit: (200) [system] string_concat(' ', "  free variables within TERM and TYPE to form various sort of", "   free variables within TERM and TYPE to form various sort of")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "   free variables within TERM and TYPE to form various sort of")
   Call: (199) [system] string_concat(' ', "   free variables within TERM and TYPE to form various sort of", _206788)
   Exit: (199) [system] string_concat(' ', "   free variables within TERM and TYPE to form various sort of", "    free variables within TERM and TYPE to form various sort of")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "    free variables within TERM and TYPE to form various sort of")
   Call: (198) [system] string_concat(' ', "    free variables within TERM and TYPE to form various sort of", _200288)
   Exit: (198) [system] string_concat(' ', "    free variables within TERM and TYPE to form various sort of", "     free variables within TERM and TYPE to form various sort of")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "     free variables within TERM and TYPE to form various sort of")
   Call: (197) [system] string_concat(' ', "     free variables within TERM and TYPE to form various sort of", _193788)
   Exit: (197) [system] string_concat(' ', "     free variables within TERM and TYPE to form various sort of", "      free variables within TERM and TYPE to form various sort of")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "      free variables within TERM and TYPE to form various sort of")
   Call: (196) [system] string_concat(' ', "      free variables within TERM and TYPE to form various sort of", _187288)
   Exit: (196) [system] string_concat(' ', "      free variables within TERM and TYPE to form various sort of", "       free variables within TERM and TYPE to form various sort of")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "       free variables within TERM and TYPE to form various sort of")
   Call: (195) [system] string_concat(' ', "       free variables within TERM and TYPE to form various sort of", _180788)
   Exit: (195) [system] string_concat(' ', "       free variables within TERM and TYPE to form various sort of", "        free variables within TERM and TYPE to form various sort of")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "        free variables within TERM and TYPE to form various sort of")
   Call: (194) [system] string_concat(' ', "        free variables within TERM and TYPE to form various sort of", _174288)
   Exit: (194) [system] string_concat(' ', "        free variables within TERM and TYPE to form various sort of", "         free variables within TERM and TYPE to form various sort of")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "         free variables within TERM and TYPE to form various sort of")
   Call: (193) [system] string_concat(;, "         free variables within TERM and TYPE to form various sort of", _167788)
   Exit: (193) [system] string_concat(;, "         free variables within TERM and TYPE to form various sort of", ";         free variables within TERM and TYPE to form various sort of")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), ";         free variables within TERM and TYPE to form various sort of")
   Call: (192) [system] string_concat(;, ";         free variables within TERM and TYPE to form various sort of", _161288)
   Exit: (192) [system] string_concat(;, ";         free variables within TERM and TYPE to form various sort of", ";;         free variables within TERM and TYPE to form various sort of")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), ";;         free variables within TERM and TYPE to form various sort of")
^  Call: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (190) [user] read_comment((0x558d99e6bec0))
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _823886)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_comment((0x558d99e6bec0))
^  Call: (192) [user] read_position((0x558d99e6bec0), _828524, _828526, _828528, _828530)
   Call: (193) [system] stream_property((0x558d99e6bec0), position(_828530))
   Call: (194) [system] nonvar((0x558d99e6bec0))
   Exit: (194) [system] nonvar((0x558d99e6bec0))
   Call: (194) [system] nonvar(position(_828530))
   Exit: (194) [system] nonvar(position(_828530))
   Exit: (193) [system] stream_property((0x558d99e6bec0), position('$stream_position'(687, 26, 0, 687)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), _828524)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _837818)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), _828524)
   Exit: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), 26)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), 26)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), _828526)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _845252)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), _828526)
   Exit: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), _828528)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _852686)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), _828528)
   Exit: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), 687)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), 687)
^  Exit: (192) [user] read_position((0x558d99e6bec0), 26, 0, 687, '$stream_position'(687, 26, 0, 687))
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _858280)
   Call: (193) [system] get_char((0x558d99e6bec0), _859210)
   Exit: (193) [system] get_char((0x558d99e6bec0), ;)
   Call: (193) [system] char_type(;, end_of_line)
   Fail: (193) [system] char_type(;, end_of_line)
   Call: (193) [system] (;)=end_of_file
   Fail: (193) [system] (;)=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _864780)
   Call: (194) [system] get_char((0x558d99e6bec0), _865710)
   Exit: (194) [system] get_char((0x558d99e6bec0), ;)
   Call: (194) [system] char_type(;, end_of_line)
   Fail: (194) [system] char_type(;, end_of_line)
   Call: (194) [system] (;)=end_of_file
   Fail: (194) [system] (;)=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _871280)
   Call: (195) [system] get_char((0x558d99e6bec0), _872210)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Fail: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
   Fail: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _877780)
   Call: (196) [system] get_char((0x558d99e6bec0), _878710)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Fail: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
   Fail: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _884280)
   Call: (197) [system] get_char((0x558d99e6bec0), _885210)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _890780)
   Call: (198) [system] get_char((0x558d99e6bec0), _891710)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Fail: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
   Fail: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _897280)
   Call: (199) [system] get_char((0x558d99e6bec0), _898210)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _903780)
   Call: (200) [system] get_char((0x558d99e6bec0), _904710)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _910280)
   Call: (201) [system] get_char((0x558d99e6bec0), _911210)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _916780)
   Call: (202) [system] get_char((0x558d99e6bec0), _917710)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _923280)
   Call: (203) [system] get_char((0x558d99e6bec0), _924210)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _929780)
   Call: (204) [system] get_char((0x558d99e6bec0), _930710)
   Exit: (204) [system] get_char((0x558d99e6bec0), q)
   Call: (204) [system] char_type(q, end_of_line)
   Fail: (204) [system] char_type(q, end_of_line)
   Call: (204) [system] q=end_of_file
   Fail: (204) [system] q=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _936280)
   Call: (205) [system] get_char((0x558d99e6bec0), _937210)
   Exit: (205) [system] get_char((0x558d99e6bec0), u)
   Call: (205) [system] char_type(u, end_of_line)
   Fail: (205) [system] char_type(u, end_of_line)
   Call: (205) [system] u=end_of_file
   Fail: (205) [system] u=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _942780)
   Call: (206) [system] get_char((0x558d99e6bec0), _943710)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] char_type(e, end_of_line)
   Fail: (206) [system] char_type(e, end_of_line)
   Call: (206) [system] e=end_of_file
   Fail: (206) [system] e=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _949280)
   Call: (207) [system] get_char((0x558d99e6bec0), _950210)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] char_type(r, end_of_line)
   Fail: (207) [system] char_type(r, end_of_line)
   Call: (207) [system] r=end_of_file
   Fail: (207) [system] r=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _955780)
   Call: (208) [system] get_char((0x558d99e6bec0), _956710)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] char_type(i, end_of_line)
   Fail: (208) [system] char_type(i, end_of_line)
   Call: (208) [system] i=end_of_file
   Fail: (208) [system] i=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _962280)
   Call: (209) [system] get_char((0x558d99e6bec0), _963210)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] char_type(e, end_of_line)
   Fail: (209) [system] char_type(e, end_of_line)
   Call: (209) [system] e=end_of_file
   Fail: (209) [system] e=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _968780)
   Call: (210) [system] get_char((0x558d99e6bec0), _969710)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] char_type(s, end_of_line)
   Fail: (210) [system] char_type(s, end_of_line)
   Call: (210) [system] s=end_of_file
   Fail: (210) [system] s=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _975280)
   Call: (211) [system] get_char((0x558d99e6bec0), _976210)
   Exit: (211) [system] get_char((0x558d99e6bec0), '\n')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
   Call: (211) [system] _975280=""
   Exit: (211) [system] ""=""
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (210) [system] string_concat(s, "", _968780)
   Exit: (210) [system] string_concat(s, "", "s")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "s")
   Call: (209) [system] string_concat(e, "s", _962280)
   Exit: (209) [system] string_concat(e, "s", "es")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "es")
   Call: (208) [system] string_concat(i, "es", _955780)
   Exit: (208) [system] string_concat(i, "es", "ies")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "ies")
   Call: (207) [system] string_concat(r, "ies", _949280)
   Exit: (207) [system] string_concat(r, "ies", "ries")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "ries")
   Call: (206) [system] string_concat(e, "ries", _942780)
   Exit: (206) [system] string_concat(e, "ries", "eries")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "eries")
   Call: (205) [system] string_concat(u, "eries", _936280)
   Exit: (205) [system] string_concat(u, "eries", "ueries")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "ueries")
   Call: (204) [system] string_concat(q, "ueries", _929780)
   Exit: (204) [system] string_concat(q, "ueries", "queries")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "queries")
   Call: (203) [system] string_concat(' ', "queries", _923280)
   Exit: (203) [system] string_concat(' ', "queries", " queries")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), " queries")
   Call: (202) [system] string_concat(' ', " queries", _916780)
   Exit: (202) [system] string_concat(' ', " queries", "  queries")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "  queries")
   Call: (201) [system] string_concat(' ', "  queries", _910280)
   Exit: (201) [system] string_concat(' ', "  queries", "   queries")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "   queries")
   Call: (200) [system] string_concat(' ', "   queries", _903780)
   Exit: (200) [system] string_concat(' ', "   queries", "    queries")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "    queries")
   Call: (199) [system] string_concat(' ', "    queries", _897280)
   Exit: (199) [system] string_concat(' ', "    queries", "     queries")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "     queries")
   Call: (198) [system] string_concat(' ', "     queries", _890780)
   Exit: (198) [system] string_concat(' ', "     queries", "      queries")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "      queries")
   Call: (197) [system] string_concat(' ', "      queries", _884280)
   Exit: (197) [system] string_concat(' ', "      queries", "       queries")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "       queries")
   Call: (196) [system] string_concat(' ', "       queries", _877780)
   Exit: (196) [system] string_concat(' ', "       queries", "        queries")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "        queries")
   Call: (195) [system] string_concat(' ', "        queries", _871280)
   Exit: (195) [system] string_concat(' ', "        queries", "         queries")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "         queries")
   Call: (194) [system] string_concat(;, "         queries", _864780)
   Exit: (194) [system] string_concat(;, "         queries", ";         queries")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), ";         queries")
   Call: (193) [system] string_concat(;, ";         queries", _858280)
   Exit: (193) [system] string_concat(;, ";         queries", ";;         queries")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), ";;         queries")
^  Call: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (191) [user] read_comment((0x558d99e6bec0))
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1036838)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ;)
   Call: (192) [system] (;)=(;)
   Exit: (192) [system] (;)=(;)
^  Call: (192) [user] read_comment((0x558d99e6bec0))
^  Call: (193) [user] read_position((0x558d99e6bec0), _1041476, _1041478, _1041480, _1041482)
   Call: (194) [system] stream_property((0x558d99e6bec0), position(_1041482))
   Call: (195) [system] nonvar((0x558d99e6bec0))
   Exit: (195) [system] nonvar((0x558d99e6bec0))
   Call: (195) [system] nonvar(position(_1041482))
   Exit: (195) [system] nonvar(position(_1041482))
   Exit: (194) [system] stream_property((0x558d99e6bec0), position('$stream_position'(706, 27, 0, 706)))
   Call: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), _1041476)
   Call: (195) [system] nonvar(line_count)
   Exit: (195) [system] nonvar(line_count)
   Call: (195) [$syspreds] stream_position_field(line_count, _1050770)
   Exit: (195) [$syspreds] stream_position_field(line_count, 2)
   Call: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), _1041476)
   Exit: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), 27)
   Exit: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), 27)
   Call: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), _1041478)
   Call: (195) [system] nonvar(line_position)
   Exit: (195) [system] nonvar(line_position)
   Call: (195) [$syspreds] stream_position_field(line_position, _1058204)
   Exit: (195) [$syspreds] stream_position_field(line_position, 3)
   Call: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), _1041478)
   Exit: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), 0)
   Exit: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), 0)
   Call: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), _1041480)
   Call: (195) [system] nonvar(char_count)
   Exit: (195) [system] nonvar(char_count)
   Call: (195) [$syspreds] stream_position_field(char_count, _1065638)
   Exit: (195) [$syspreds] stream_position_field(char_count, 1)
   Call: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), _1041480)
   Exit: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), 706)
   Exit: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), 706)
^  Exit: (193) [user] read_position((0x558d99e6bec0), 27, 0, 706, '$stream_position'(706, 27, 0, 706))
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1071232)
   Call: (194) [system] get_char((0x558d99e6bec0), _1072162)
   Exit: (194) [system] get_char((0x558d99e6bec0), ;)
   Call: (194) [system] char_type(;, end_of_line)
   Fail: (194) [system] char_type(;, end_of_line)
   Call: (194) [system] (;)=end_of_file
   Fail: (194) [system] (;)=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1077732)
   Call: (195) [system] get_char((0x558d99e6bec0), _1078662)
   Exit: (195) [system] get_char((0x558d99e6bec0), ;)
   Call: (195) [system] char_type(;, end_of_line)
   Fail: (195) [system] char_type(;, end_of_line)
   Call: (195) [system] (;)=end_of_file
   Fail: (195) [system] (;)=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1084232)
   Call: (196) [system] get_char((0x558d99e6bec0), _1085162)
   Exit: (196) [system] get_char((0x558d99e6bec0), '\t')
   Call: (196) [system] char_type('\t', end_of_line)
   Fail: (196) [system] char_type('\t', end_of_line)
   Call: (196) [system] '\t'=end_of_file
   Fail: (196) [system] '\t'=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1090732)
   Call: (197) [system] get_char((0x558d99e6bec0), _1091662)
   Exit: (197) [system] get_char((0x558d99e6bec0), '\t')
   Call: (197) [system] char_type('\t', end_of_line)
   Fail: (197) [system] char_type('\t', end_of_line)
   Call: (197) [system] '\t'=end_of_file
   Fail: (197) [system] '\t'=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1097232)
   Call: (198) [system] get_char((0x558d99e6bec0), _1098162)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Fail: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
   Fail: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1103732)
   Call: (199) [system] get_char((0x558d99e6bec0), _1104662)
   Exit: (199) [system] get_char((0x558d99e6bec0), s)
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1110232)
   Call: (200) [system] get_char((0x558d99e6bec0), _1111162)
   Exit: (200) [system] get_char((0x558d99e6bec0), u)
   Call: (200) [system] char_type(u, end_of_line)
   Fail: (200) [system] char_type(u, end_of_line)
   Call: (200) [system] u=end_of_file
   Fail: (200) [system] u=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1116732)
   Call: (201) [system] get_char((0x558d99e6bec0), _1117662)
   Exit: (201) [system] get_char((0x558d99e6bec0), c)
   Call: (201) [system] char_type(c, end_of_line)
   Fail: (201) [system] char_type(c, end_of_line)
   Call: (201) [system] c=end_of_file
   Fail: (201) [system] c=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1123232)
   Call: (202) [system] get_char((0x558d99e6bec0), _1124162)
   Exit: (202) [system] get_char((0x558d99e6bec0), h)
   Call: (202) [system] char_type(h, end_of_line)
   Fail: (202) [system] char_type(h, end_of_line)
   Call: (202) [system] h=end_of_file
   Fail: (202) [system] h=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1129732)
   Call: (203) [system] get_char((0x558d99e6bec0), _1130662)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1136232)
   Call: (204) [system] get_char((0x558d99e6bec0), _1137162)
   Exit: (204) [system] get_char((0x558d99e6bec0), a)
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1142732)
   Call: (205) [system] get_char((0x558d99e6bec0), _1143662)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] char_type(s, end_of_line)
   Fail: (205) [system] char_type(s, end_of_line)
   Call: (205) [system] s=end_of_file
   Fail: (205) [system] s=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1149232)
   Call: (206) [system] get_char((0x558d99e6bec0), _1150162)
   Exit: (206) [system] get_char((0x558d99e6bec0), :)
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1155732)
   Call: (207) [system] get_char((0x558d99e6bec0), _1156662)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\n')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
   Call: (207) [system] _1155732=""
   Exit: (207) [system] ""=""
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (206) [system] string_concat(:, "", _1149232)
   Exit: (206) [system] string_concat(:, "", ":")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), ":")
   Call: (205) [system] string_concat(s, ":", _1142732)
   Exit: (205) [system] string_concat(s, ":", "s:")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "s:")
   Call: (204) [system] string_concat(a, "s:", _1136232)
   Exit: (204) [system] string_concat(a, "s:", "as:")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "as:")
   Call: (203) [system] string_concat(' ', "as:", _1129732)
   Exit: (203) [system] string_concat(' ', "as:", " as:")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), " as:")
   Call: (202) [system] string_concat(h, " as:", _1123232)
   Exit: (202) [system] string_concat(h, " as:", "h as:")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "h as:")
   Call: (201) [system] string_concat(c, "h as:", _1116732)
   Exit: (201) [system] string_concat(c, "h as:", "ch as:")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "ch as:")
   Call: (200) [system] string_concat(u, "ch as:", _1110232)
   Exit: (200) [system] string_concat(u, "ch as:", "uch as:")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "uch as:")
   Call: (199) [system] string_concat(s, "uch as:", _1103732)
   Exit: (199) [system] string_concat(s, "uch as:", "such as:")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "such as:")
   Call: (198) [system] string_concat(' ', "such as:", _1097232)
   Exit: (198) [system] string_concat(' ', "such as:", " such as:")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), " such as:")
   Call: (197) [system] string_concat('\t', " such as:", _1090732)
   Exit: (197) [system] string_concat('\t', " such as:", "\t such as:")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "\t such as:")
   Call: (196) [system] string_concat('\t', "\t such as:", _1084232)
   Exit: (196) [system] string_concat('\t', "\t such as:", "\t\t such as:")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "\t\t such as:")
   Call: (195) [system] string_concat(;, "\t\t such as:", _1077732)
   Exit: (195) [system] string_concat(;, "\t\t such as:", ";\t\t such as:")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), ";\t\t such as:")
   Call: (194) [system] string_concat(;, ";\t\t such as:", _1071232)
   Exit: (194) [system] string_concat(;, ";\t\t such as:", ";;\t\t such as:")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), ";;\t\t such as:")
^  Call: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (192) [user] read_comment((0x558d99e6bec0))
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1203282)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ;)
   Call: (193) [system] (;)=(;)
   Exit: (193) [system] (;)=(;)
^  Call: (193) [user] read_comment((0x558d99e6bec0))
^  Call: (194) [user] read_position((0x558d99e6bec0), _1207920, _1207922, _1207924, _1207926)
   Call: (195) [system] stream_property((0x558d99e6bec0), position(_1207926))
   Call: (196) [system] nonvar((0x558d99e6bec0))
   Exit: (196) [system] nonvar((0x558d99e6bec0))
   Call: (196) [system] nonvar(position(_1207926))
   Exit: (196) [system] nonvar(position(_1207926))
   Exit: (195) [system] stream_property((0x558d99e6bec0), position('$stream_position'(720, 28, 0, 720)))
   Call: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), _1207920)
   Call: (196) [system] nonvar(line_count)
   Exit: (196) [system] nonvar(line_count)
   Call: (196) [$syspreds] stream_position_field(line_count, _1217214)
   Exit: (196) [$syspreds] stream_position_field(line_count, 2)
   Call: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), _1207920)
   Exit: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), 28)
   Exit: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), 28)
   Call: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), _1207922)
   Call: (196) [system] nonvar(line_position)
   Exit: (196) [system] nonvar(line_position)
   Call: (196) [$syspreds] stream_position_field(line_position, _1224648)
   Exit: (196) [$syspreds] stream_position_field(line_position, 3)
   Call: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), _1207922)
   Exit: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), 0)
   Exit: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), 0)
   Call: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), _1207924)
   Call: (196) [system] nonvar(char_count)
   Exit: (196) [system] nonvar(char_count)
   Call: (196) [$syspreds] stream_position_field(char_count, _1232082)
   Exit: (196) [$syspreds] stream_position_field(char_count, 1)
   Call: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), _1207924)
   Exit: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), 720)
   Exit: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), 720)
^  Exit: (194) [user] read_position((0x558d99e6bec0), 28, 0, 720, '$stream_position'(720, 28, 0, 720))
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1237676)
   Call: (195) [system] get_char((0x558d99e6bec0), _1238606)
   Exit: (195) [system] get_char((0x558d99e6bec0), ;)
   Call: (195) [system] char_type(;, end_of_line)
   Fail: (195) [system] char_type(;, end_of_line)
   Call: (195) [system] (;)=end_of_file
   Fail: (195) [system] (;)=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1244176)
   Call: (196) [system] get_char((0x558d99e6bec0), _1245106)
   Exit: (196) [system] get_char((0x558d99e6bec0), ;)
   Call: (196) [system] char_type(;, end_of_line)
   Fail: (196) [system] char_type(;, end_of_line)
   Call: (196) [system] (;)=end_of_file
   Fail: (196) [system] (;)=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1250676)
   Call: (197) [system] get_char((0x558d99e6bec0), _1251606)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1257176)
   Call: (198) [system] get_char((0x558d99e6bec0), _1258106)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Fail: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
   Fail: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1263676)
   Call: (199) [system] get_char((0x558d99e6bec0), _1264606)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1270176)
   Call: (200) [system] get_char((0x558d99e6bec0), _1271106)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1276676)
   Call: (201) [system] get_char((0x558d99e6bec0), _1277606)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1283176)
   Call: (202) [system] get_char((0x558d99e6bec0), _1284106)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1289676)
   Call: (203) [system] get_char((0x558d99e6bec0), _1290606)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1296176)
   Call: (204) [system] get_char((0x558d99e6bec0), _1297106)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Fail: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
   Fail: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1302676)
   Call: (205) [system] get_char((0x558d99e6bec0), _1303606)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1309176)
   Call: (206) [system] get_char((0x558d99e6bec0), _1310106)
   Exit: (206) [system] get_char((0x558d99e6bec0), '1')
   Call: (206) [system] char_type('1', end_of_line)
   Fail: (206) [system] char_type('1', end_of_line)
   Call: (206) [system] '1'=end_of_file
   Fail: (206) [system] '1'=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1315676)
   Call: (207) [system] get_char((0x558d99e6bec0), _1316606)
   Exit: (207) [system] get_char((0x558d99e6bec0), '.')
   Call: (207) [system] char_type('.', end_of_line)
   Fail: (207) [system] char_type('.', end_of_line)
   Call: (207) [system] ('.')=end_of_file
   Fail: (207) [system] ('.')=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1322176)
   Call: (208) [system] get_char((0x558d99e6bec0), _1323106)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Fail: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
   Fail: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1328676)
   Call: (209) [system] get_char((0x558d99e6bec0), _1329606)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'B')
   Call: (209) [system] char_type('B', end_of_line)
   Fail: (209) [system] char_type('B', end_of_line)
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1335176)
   Call: (210) [system] get_char((0x558d99e6bec0), _1336106)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1341676)
   Call: (211) [system] get_char((0x558d99e6bec0), _1342606)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] char_type(c, end_of_line)
   Fail: (211) [system] char_type(c, end_of_line)
   Call: (211) [system] c=end_of_file
   Fail: (211) [system] c=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1348176)
   Call: (212) [system] get_char((0x558d99e6bec0), _1349106)
   Exit: (212) [system] get_char((0x558d99e6bec0), k)
   Call: (212) [system] char_type(k, end_of_line)
   Fail: (212) [system] char_type(k, end_of_line)
   Call: (212) [system] k=end_of_file
   Fail: (212) [system] k=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1354676)
   Call: (213) [system] get_char((0x558d99e6bec0), _1355606)
   Exit: (213) [system] get_char((0x558d99e6bec0), w)
   Call: (213) [system] char_type(w, end_of_line)
   Fail: (213) [system] char_type(w, end_of_line)
   Call: (213) [system] w=end_of_file
   Fail: (213) [system] w=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1361176)
   Call: (214) [system] get_char((0x558d99e6bec0), _1362106)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1367676)
   Call: (215) [system] get_char((0x558d99e6bec0), _1368606)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] char_type(r, end_of_line)
   Fail: (215) [system] char_type(r, end_of_line)
   Call: (215) [system] r=end_of_file
   Fail: (215) [system] r=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1374176)
   Call: (216) [system] get_char((0x558d99e6bec0), _1375106)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] char_type(d, end_of_line)
   Fail: (216) [system] char_type(d, end_of_line)
   Call: (216) [system] d=end_of_file
   Fail: (216) [system] d=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1380676)
   Call: (217) [system] get_char((0x558d99e6bec0), _1381606)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Fail: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
   Fail: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1387176)
   Call: (218) [system] get_char((0x558d99e6bec0), _1388106)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1393676)
   Call: (219) [system] get_char((0x558d99e6bec0), _1394606)
   Exit: (219) [system] get_char((0x558d99e6bec0), h)
   Call: (219) [system] char_type(h, end_of_line)
   Fail: (219) [system] char_type(h, end_of_line)
   Call: (219) [system] h=end_of_file
   Fail: (219) [system] h=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1400176)
   Call: (220) [system] get_char((0x558d99e6bec0), _1401106)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1406676)
   Call: (221) [system] get_char((0x558d99e6bec0), _1407606)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] char_type(i, end_of_line)
   Fail: (221) [system] char_type(i, end_of_line)
   Call: (221) [system] i=end_of_file
   Fail: (221) [system] i=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1413176)
   Call: (222) [system] get_char((0x558d99e6bec0), _1414106)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] char_type(n, end_of_line)
   Fail: (222) [system] char_type(n, end_of_line)
   Call: (222) [system] n=end_of_file
   Fail: (222) [system] n=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1419676)
   Call: (223) [system] get_char((0x558d99e6bec0), _1420606)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] char_type(i, end_of_line)
   Fail: (223) [system] char_type(i, end_of_line)
   Call: (223) [system] i=end_of_file
   Fail: (223) [system] i=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1426176)
   Call: (224) [system] get_char((0x558d99e6bec0), _1427106)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] char_type(n, end_of_line)
   Fail: (224) [system] char_type(n, end_of_line)
   Call: (224) [system] n=end_of_file
   Fail: (224) [system] n=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1432676)
   Call: (225) [system] get_char((0x558d99e6bec0), _1433606)
   Exit: (225) [system] get_char((0x558d99e6bec0), g)
   Call: (225) [system] char_type(g, end_of_line)
   Fail: (225) [system] char_type(g, end_of_line)
   Call: (225) [system] g=end_of_file
   Fail: (225) [system] g=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1439176)
   Call: (226) [system] get_char((0x558d99e6bec0), _1440106)
   Exit: (226) [system] get_char((0x558d99e6bec0), :)
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1445676)
   Call: (227) [system] get_char((0x558d99e6bec0), _1446606)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Fail: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
   Fail: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1452176)
   Call: (228) [system] get_char((0x558d99e6bec0), _1453106)
   Exit: (228) [system] get_char((0x558d99e6bec0), '(')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1458676)
   Call: (229) [system] get_char((0x558d99e6bec0), _1459606)
   Exit: (229) [system] get_char((0x558d99e6bec0), :)
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] (:)=end_of_file
   Fail: (229) [system] (:)=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1465176)
   Call: (230) [system] get_char((0x558d99e6bec0), _1466106)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Fail: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
   Fail: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1471676)
   Call: (231) [system] get_char((0x558d99e6bec0), _1472606)
   Exit: (231) [system] get_char((0x558d99e6bec0), $)
   Call: (231) [system] char_type($, end_of_line)
   Fail: (231) [system] char_type($, end_of_line)
   Call: (231) [system] ($)=end_of_file
   Fail: (231) [system] ($)=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1478176)
   Call: (232) [system] get_char((0x558d99e6bec0), _1479106)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] char_type(t, end_of_line)
   Fail: (232) [system] char_type(t, end_of_line)
   Call: (232) [system] t=end_of_file
   Fail: (232) [system] t=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1484676)
   Call: (233) [system] get_char((0x558d99e6bec0), _1485606)
   Exit: (233) [system] get_char((0x558d99e6bec0), e)
   Call: (233) [system] char_type(e, end_of_line)
   Fail: (233) [system] char_type(e, end_of_line)
   Call: (233) [system] e=end_of_file
   Fail: (233) [system] e=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1491176)
   Call: (234) [system] get_char((0x558d99e6bec0), _1492106)
   Exit: (234) [system] get_char((0x558d99e6bec0), r)
   Call: (234) [system] char_type(r, end_of_line)
   Fail: (234) [system] char_type(r, end_of_line)
   Call: (234) [system] r=end_of_file
   Fail: (234) [system] r=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1497676)
   Call: (235) [system] get_char((0x558d99e6bec0), _1498606)
   Exit: (235) [system] get_char((0x558d99e6bec0), m)
   Call: (235) [system] char_type(m, end_of_line)
   Fail: (235) [system] char_type(m, end_of_line)
   Call: (235) [system] m=end_of_file
   Fail: (235) [system] m=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1504176)
   Call: (236) [system] get_char((0x558d99e6bec0), _1505106)
   Exit: (236) [system] get_char((0x558d99e6bec0), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Fail: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
   Fail: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1510676)
   Call: (237) [system] get_char((0x558d99e6bec0), _1511606)
   Exit: (237) [system] get_char((0x558d99e6bec0), '(')
   Call: (237) [system] char_type('(', end_of_line)
   Fail: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] '('=end_of_file
   Fail: (237) [system] '('=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1517176)
   Call: (238) [system] get_char((0x558d99e6bec0), _1518106)
   Exit: (238) [system] get_char((0x558d99e6bec0), 'I')
   Call: (238) [system] char_type('I', end_of_line)
   Fail: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] 'I'=end_of_file
   Fail: (238) [system] 'I'=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1523676)
   Call: (239) [system] get_char((0x558d99e6bec0), _1524606)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] char_type(n, end_of_line)
   Fail: (239) [system] char_type(n, end_of_line)
   Call: (239) [system] n=end_of_file
   Fail: (239) [system] n=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1530176)
   Call: (240) [system] get_char((0x558d99e6bec0), _1531106)
   Exit: (240) [system] get_char((0x558d99e6bec0), h)
   Call: (240) [system] char_type(h, end_of_line)
   Fail: (240) [system] char_type(h, end_of_line)
   Call: (240) [system] h=end_of_file
   Fail: (240) [system] h=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _1536676)
   Call: (241) [system] get_char((0x558d99e6bec0), _1537606)
   Exit: (241) [system] get_char((0x558d99e6bec0), e)
   Call: (241) [system] char_type(e, end_of_line)
   Fail: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
   Fail: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _1543176)
   Call: (242) [system] get_char((0x558d99e6bec0), _1544106)
   Exit: (242) [system] get_char((0x558d99e6bec0), r)
   Call: (242) [system] char_type(r, end_of_line)
   Fail: (242) [system] char_type(r, end_of_line)
   Call: (242) [system] r=end_of_file
   Fail: (242) [system] r=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _1549676)
   Call: (243) [system] get_char((0x558d99e6bec0), _1550606)
   Exit: (243) [system] get_char((0x558d99e6bec0), i)
   Call: (243) [system] char_type(i, end_of_line)
   Fail: (243) [system] char_type(i, end_of_line)
   Call: (243) [system] i=end_of_file
   Fail: (243) [system] i=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _1556176)
   Call: (244) [system] get_char((0x558d99e6bec0), _1557106)
   Exit: (244) [system] get_char((0x558d99e6bec0), t)
   Call: (244) [system] char_type(t, end_of_line)
   Fail: (244) [system] char_type(t, end_of_line)
   Call: (244) [system] t=end_of_file
   Fail: (244) [system] t=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _1562676)
   Call: (245) [system] get_char((0x558d99e6bec0), _1563606)
   Exit: (245) [system] get_char((0x558d99e6bec0), a)
   Call: (245) [system] char_type(a, end_of_line)
   Fail: (245) [system] char_type(a, end_of_line)
   Call: (245) [system] a=end_of_file
   Fail: (245) [system] a=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _1569176)
   Call: (246) [system] get_char((0x558d99e6bec0), _1570106)
   Exit: (246) [system] get_char((0x558d99e6bec0), n)
   Call: (246) [system] char_type(n, end_of_line)
   Fail: (246) [system] char_type(n, end_of_line)
   Call: (246) [system] n=end_of_file
   Fail: (246) [system] n=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _1575676)
   Call: (247) [system] get_char((0x558d99e6bec0), _1576606)
   Exit: (247) [system] get_char((0x558d99e6bec0), c)
   Call: (247) [system] char_type(c, end_of_line)
   Fail: (247) [system] char_type(c, end_of_line)
   Call: (247) [system] c=end_of_file
   Fail: (247) [system] c=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _1582176)
   Call: (248) [system] get_char((0x558d99e6bec0), _1583106)
   Exit: (248) [system] get_char((0x558d99e6bec0), e)
   Call: (248) [system] char_type(e, end_of_line)
   Fail: (248) [system] char_type(e, end_of_line)
   Call: (248) [system] e=end_of_file
   Fail: (248) [system] e=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _1588676)
   Call: (249) [system] get_char((0x558d99e6bec0), _1589606)
   Exit: (249) [system] get_char((0x558d99e6bec0), ' ')
   Call: (249) [system] char_type(' ', end_of_line)
   Fail: (249) [system] char_type(' ', end_of_line)
   Call: (249) [system] ' '=end_of_file
   Fail: (249) [system] ' '=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _1595176)
   Call: (250) [system] get_char((0x558d99e6bec0), _1596106)
   Exit: (250) [system] get_char((0x558d99e6bec0), $)
   Call: (250) [system] char_type($, end_of_line)
   Fail: (250) [system] char_type($, end_of_line)
   Call: (250) [system] ($)=end_of_file
   Fail: (250) [system] ($)=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _1601676)
   Call: (251) [system] get_char((0x558d99e6bec0), _1602606)
   Exit: (251) [system] get_char((0x558d99e6bec0), x)
   Call: (251) [system] char_type(x, end_of_line)
   Fail: (251) [system] char_type(x, end_of_line)
   Call: (251) [system] x=end_of_file
   Fail: (251) [system] x=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _1608176)
   Call: (252) [system] get_char((0x558d99e6bec0), _1609106)
   Exit: (252) [system] get_char((0x558d99e6bec0), ' ')
   Call: (252) [system] char_type(' ', end_of_line)
   Fail: (252) [system] char_type(' ', end_of_line)
   Call: (252) [system] ' '=end_of_file
   Fail: (252) [system] ' '=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _1614676)
   Call: (253) [system] get_char((0x558d99e6bec0), _1615606)
   Exit: (253) [system] get_char((0x558d99e6bec0), 'M')
   Call: (253) [system] char_type('M', end_of_line)
   Fail: (253) [system] char_type('M', end_of_line)
   Call: (253) [system] 'M'=end_of_file
   Fail: (253) [system] 'M'=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _1621176)
   Call: (254) [system] get_char((0x558d99e6bec0), _1622106)
   Exit: (254) [system] get_char((0x558d99e6bec0), a)
   Call: (254) [system] char_type(a, end_of_line)
   Fail: (254) [system] char_type(a, end_of_line)
   Call: (254) [system] a=end_of_file
   Fail: (254) [system] a=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _1627676)
   Call: (255) [system] get_char((0x558d99e6bec0), _1628606)
   Exit: (255) [system] get_char((0x558d99e6bec0), m)
   Call: (255) [system] char_type(m, end_of_line)
   Fail: (255) [system] char_type(m, end_of_line)
   Call: (255) [system] m=end_of_file
   Fail: (255) [system] m=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _1634176)
   Call: (256) [system] get_char((0x558d99e6bec0), _1635106)
   Exit: (256) [system] get_char((0x558d99e6bec0), m)
   Call: (256) [system] char_type(m, end_of_line)
   Fail: (256) [system] char_type(m, end_of_line)
   Call: (256) [system] m=end_of_file
   Fail: (256) [system] m=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _1640676)
   Call: (257) [system] get_char((0x558d99e6bec0), _1641606)
   Exit: (257) [system] get_char((0x558d99e6bec0), a)
   Call: (257) [system] char_type(a, end_of_line)
   Fail: (257) [system] char_type(a, end_of_line)
   Call: (257) [system] a=end_of_file
   Fail: (257) [system] a=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _1647176)
   Call: (258) [system] get_char((0x558d99e6bec0), _1648106)
   Exit: (258) [system] get_char((0x558d99e6bec0), l)
   Call: (258) [system] char_type(l, end_of_line)
   Fail: (258) [system] char_type(l, end_of_line)
   Call: (258) [system] l=end_of_file
   Fail: (258) [system] l=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _1653676)
   Call: (259) [system] get_char((0x558d99e6bec0), _1654606)
   Exit: (259) [system] get_char((0x558d99e6bec0), ')')
   Call: (259) [system] char_type(')', end_of_line)
   Fail: (259) [system] char_type(')', end_of_line)
   Call: (259) [system] ')'=end_of_file
   Fail: (259) [system] ')'=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _1660176)
   Call: (260) [system] get_char((0x558d99e6bec0), _1661106)
   Exit: (260) [system] get_char((0x558d99e6bec0), ')')
   Call: (260) [system] char_type(')', end_of_line)
   Fail: (260) [system] char_type(')', end_of_line)
   Call: (260) [system] ')'=end_of_file
   Fail: (260) [system] ')'=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _1666676)
   Call: (261) [system] get_char((0x558d99e6bec0), _1667606)
   Exit: (261) [system] get_char((0x558d99e6bec0), '\n')
   Call: (261) [system] char_type('\n', end_of_line)
   Exit: (261) [system] char_type('\n', end_of_line)
   Call: (261) [system] _1666676=""
   Exit: (261) [system] ""=""
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (260) [system] string_concat(')', "", _1660176)
   Exit: (260) [system] string_concat(')', "", ")")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), ")")
   Call: (259) [system] string_concat(')', ")", _1653676)
   Exit: (259) [system] string_concat(')', ")", "))")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "))")
   Call: (258) [system] string_concat(l, "))", _1647176)
   Exit: (258) [system] string_concat(l, "))", "l))")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "l))")
   Call: (257) [system] string_concat(a, "l))", _1640676)
   Exit: (257) [system] string_concat(a, "l))", "al))")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "al))")
   Call: (256) [system] string_concat(m, "al))", _1634176)
   Exit: (256) [system] string_concat(m, "al))", "mal))")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "mal))")
   Call: (255) [system] string_concat(m, "mal))", _1627676)
   Exit: (255) [system] string_concat(m, "mal))", "mmal))")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "mmal))")
   Call: (254) [system] string_concat(a, "mmal))", _1621176)
   Exit: (254) [system] string_concat(a, "mmal))", "ammal))")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "ammal))")
   Call: (253) [system] string_concat('M', "ammal))", _1614676)
   Exit: (253) [system] string_concat('M', "ammal))", "Mammal))")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "Mammal))")
   Call: (252) [system] string_concat(' ', "Mammal))", _1608176)
   Exit: (252) [system] string_concat(' ', "Mammal))", " Mammal))")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), " Mammal))")
   Call: (251) [system] string_concat(x, " Mammal))", _1601676)
   Exit: (251) [system] string_concat(x, " Mammal))", "x Mammal))")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "x Mammal))")
   Call: (250) [system] string_concat($, "x Mammal))", _1595176)
   Exit: (250) [system] string_concat($, "x Mammal))", "$x Mammal))")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "$x Mammal))")
   Call: (249) [system] string_concat(' ', "$x Mammal))", _1588676)
   Exit: (249) [system] string_concat(' ', "$x Mammal))", " $x Mammal))")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), " $x Mammal))")
   Call: (248) [system] string_concat(e, " $x Mammal))", _1582176)
   Exit: (248) [system] string_concat(e, " $x Mammal))", "e $x Mammal))")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "e $x Mammal))")
   Call: (247) [system] string_concat(c, "e $x Mammal))", _1575676)
   Exit: (247) [system] string_concat(c, "e $x Mammal))", "ce $x Mammal))")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "ce $x Mammal))")
   Call: (246) [system] string_concat(n, "ce $x Mammal))", _1569176)
   Exit: (246) [system] string_concat(n, "ce $x Mammal))", "nce $x Mammal))")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "nce $x Mammal))")
   Call: (245) [system] string_concat(a, "nce $x Mammal))", _1562676)
   Exit: (245) [system] string_concat(a, "nce $x Mammal))", "ance $x Mammal))")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "ance $x Mammal))")
   Call: (244) [system] string_concat(t, "ance $x Mammal))", _1556176)
   Exit: (244) [system] string_concat(t, "ance $x Mammal))", "tance $x Mammal))")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "tance $x Mammal))")
   Call: (243) [system] string_concat(i, "tance $x Mammal))", _1549676)
   Exit: (243) [system] string_concat(i, "tance $x Mammal))", "itance $x Mammal))")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "itance $x Mammal))")
   Call: (242) [system] string_concat(r, "itance $x Mammal))", _1543176)
   Exit: (242) [system] string_concat(r, "itance $x Mammal))", "ritance $x Mammal))")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "ritance $x Mammal))")
   Call: (241) [system] string_concat(e, "ritance $x Mammal))", _1536676)
   Exit: (241) [system] string_concat(e, "ritance $x Mammal))", "eritance $x Mammal))")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "eritance $x Mammal))")
   Call: (240) [system] string_concat(h, "eritance $x Mammal))", _1530176)
   Exit: (240) [system] string_concat(h, "eritance $x Mammal))", "heritance $x Mammal))")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "heritance $x Mammal))")
   Call: (239) [system] string_concat(n, "heritance $x Mammal))", _1523676)
   Exit: (239) [system] string_concat(n, "heritance $x Mammal))", "nheritance $x Mammal))")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "nheritance $x Mammal))")
   Call: (238) [system] string_concat('I', "nheritance $x Mammal))", _1517176)
   Exit: (238) [system] string_concat('I', "nheritance $x Mammal))", "Inheritance $x Mammal))")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "Inheritance $x Mammal))")
   Call: (237) [system] string_concat('(', "Inheritance $x Mammal))", _1510676)
   Exit: (237) [system] string_concat('(', "Inheritance $x Mammal))", "(Inheritance $x Mammal))")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "(Inheritance $x Mammal))")
   Call: (236) [system] string_concat(' ', "(Inheritance $x Mammal))", _1504176)
   Exit: (236) [system] string_concat(' ', "(Inheritance $x Mammal))", " (Inheritance $x Mammal))")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), " (Inheritance $x Mammal))")
   Call: (235) [system] string_concat(m, " (Inheritance $x Mammal))", _1497676)
   Exit: (235) [system] string_concat(m, " (Inheritance $x Mammal))", "m (Inheritance $x Mammal))")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "m (Inheritance $x Mammal))")
   Call: (234) [system] string_concat(r, "m (Inheritance $x Mammal))", _1491176)
   Exit: (234) [system] string_concat(r, "m (Inheritance $x Mammal))", "rm (Inheritance $x Mammal))")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "rm (Inheritance $x Mammal))")
   Call: (233) [system] string_concat(e, "rm (Inheritance $x Mammal))", _1484676)
   Exit: (233) [system] string_concat(e, "rm (Inheritance $x Mammal))", "erm (Inheritance $x Mammal))")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "erm (Inheritance $x Mammal))")
   Call: (232) [system] string_concat(t, "erm (Inheritance $x Mammal))", _1478176)
   Exit: (232) [system] string_concat(t, "erm (Inheritance $x Mammal))", "term (Inheritance $x Mammal))")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "term (Inheritance $x Mammal))")
   Call: (231) [system] string_concat($, "term (Inheritance $x Mammal))", _1471676)
   Exit: (231) [system] string_concat($, "term (Inheritance $x Mammal))", "$term (Inheritance $x Mammal))")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "$term (Inheritance $x Mammal))")
   Call: (230) [system] string_concat(' ', "$term (Inheritance $x Mammal))", _1465176)
   Exit: (230) [system] string_concat(' ', "$term (Inheritance $x Mammal))", " $term (Inheritance $x Mammal))")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), " $term (Inheritance $x Mammal))")
   Call: (229) [system] string_concat(:, " $term (Inheritance $x Mammal))", _1458676)
   Exit: (229) [system] string_concat(:, " $term (Inheritance $x Mammal))", ": $term (Inheritance $x Mammal))")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), ": $term (Inheritance $x Mammal))")
   Call: (228) [system] string_concat('(', ": $term (Inheritance $x Mammal))", _1452176)
   Exit: (228) [system] string_concat('(', ": $term (Inheritance $x Mammal))", "(: $term (Inheritance $x Mammal))")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "(: $term (Inheritance $x Mammal))")
   Call: (227) [system] string_concat(' ', "(: $term (Inheritance $x Mammal))", _1445676)
   Exit: (227) [system] string_concat(' ', "(: $term (Inheritance $x Mammal))", " (: $term (Inheritance $x Mammal))")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), " (: $term (Inheritance $x Mammal))")
   Call: (226) [system] string_concat(:, " (: $term (Inheritance $x Mammal))", _1439176)
   Exit: (226) [system] string_concat(:, " (: $term (Inheritance $x Mammal))", ": (: $term (Inheritance $x Mammal))")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), ": (: $term (Inheritance $x Mammal))")
   Call: (225) [system] string_concat(g, ": (: $term (Inheritance $x Mammal))", _1432676)
   Exit: (225) [system] string_concat(g, ": (: $term (Inheritance $x Mammal))", "g: (: $term (Inheritance $x Mammal))")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "g: (: $term (Inheritance $x Mammal))")
   Call: (224) [system] string_concat(n, "g: (: $term (Inheritance $x Mammal))", _1426176)
   Exit: (224) [system] string_concat(n, "g: (: $term (Inheritance $x Mammal))", "ng: (: $term (Inheritance $x Mammal))")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "ng: (: $term (Inheritance $x Mammal))")
   Call: (223) [system] string_concat(i, "ng: (: $term (Inheritance $x Mammal))", _1419676)
   Exit: (223) [system] string_concat(i, "ng: (: $term (Inheritance $x Mammal))", "ing: (: $term (Inheritance $x Mammal))")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ing: (: $term (Inheritance $x Mammal))")
   Call: (222) [system] string_concat(n, "ing: (: $term (Inheritance $x Mammal))", _1413176)
   Exit: (222) [system] string_concat(n, "ing: (: $term (Inheritance $x Mammal))", "ning: (: $term (Inheritance $x Mammal))")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "ning: (: $term (Inheritance $x Mammal))")
   Call: (221) [system] string_concat(i, "ning: (: $term (Inheritance $x Mammal))", _1406676)
   Exit: (221) [system] string_concat(i, "ning: (: $term (Inheritance $x Mammal))", "ining: (: $term (Inheritance $x Mammal))")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "ining: (: $term (Inheritance $x Mammal))")
   Call: (220) [system] string_concat(a, "ining: (: $term (Inheritance $x Mammal))", _1400176)
   Exit: (220) [system] string_concat(a, "ining: (: $term (Inheritance $x Mammal))", "aining: (: $term (Inheritance $x Mammal))")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "aining: (: $term (Inheritance $x Mammal))")
   Call: (219) [system] string_concat(h, "aining: (: $term (Inheritance $x Mammal))", _1393676)
   Exit: (219) [system] string_concat(h, "aining: (: $term (Inheritance $x Mammal))", "haining: (: $term (Inheritance $x Mammal))")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "haining: (: $term (Inheritance $x Mammal))")
   Call: (218) [system] string_concat(c, "haining: (: $term (Inheritance $x Mammal))", _1387176)
   Exit: (218) [system] string_concat(c, "haining: (: $term (Inheritance $x Mammal))", "chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "chaining: (: $term (Inheritance $x Mammal))")
   Call: (217) [system] string_concat(' ', "chaining: (: $term (Inheritance $x Mammal))", _1380676)
   Exit: (217) [system] string_concat(' ', "chaining: (: $term (Inheritance $x Mammal))", " chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), " chaining: (: $term (Inheritance $x Mammal))")
   Call: (216) [system] string_concat(d, " chaining: (: $term (Inheritance $x Mammal))", _1374176)
   Exit: (216) [system] string_concat(d, " chaining: (: $term (Inheritance $x Mammal))", "d chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "d chaining: (: $term (Inheritance $x Mammal))")
   Call: (215) [system] string_concat(r, "d chaining: (: $term (Inheritance $x Mammal))", _1367676)
   Exit: (215) [system] string_concat(r, "d chaining: (: $term (Inheritance $x Mammal))", "rd chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "rd chaining: (: $term (Inheritance $x Mammal))")
   Call: (214) [system] string_concat(a, "rd chaining: (: $term (Inheritance $x Mammal))", _1361176)
   Exit: (214) [system] string_concat(a, "rd chaining: (: $term (Inheritance $x Mammal))", "ard chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "ard chaining: (: $term (Inheritance $x Mammal))")
   Call: (213) [system] string_concat(w, "ard chaining: (: $term (Inheritance $x Mammal))", _1354676)
   Exit: (213) [system] string_concat(w, "ard chaining: (: $term (Inheritance $x Mammal))", "ward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "ward chaining: (: $term (Inheritance $x Mammal))")
   Call: (212) [system] string_concat(k, "ward chaining: (: $term (Inheritance $x Mammal))", _1348176)
   Exit: (212) [system] string_concat(k, "ward chaining: (: $term (Inheritance $x Mammal))", "kward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "kward chaining: (: $term (Inheritance $x Mammal))")
   Call: (211) [system] string_concat(c, "kward chaining: (: $term (Inheritance $x Mammal))", _1341676)
   Exit: (211) [system] string_concat(c, "kward chaining: (: $term (Inheritance $x Mammal))", "ckward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "ckward chaining: (: $term (Inheritance $x Mammal))")
   Call: (210) [system] string_concat(a, "ckward chaining: (: $term (Inheritance $x Mammal))", _1335176)
   Exit: (210) [system] string_concat(a, "ckward chaining: (: $term (Inheritance $x Mammal))", "ackward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "ackward chaining: (: $term (Inheritance $x Mammal))")
   Call: (209) [system] string_concat('B', "ackward chaining: (: $term (Inheritance $x Mammal))", _1328676)
   Exit: (209) [system] string_concat('B', "ackward chaining: (: $term (Inheritance $x Mammal))", "Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (208) [system] string_concat(' ', "Backward chaining: (: $term (Inheritance $x Mammal))", _1322176)
   Exit: (208) [system] string_concat(' ', "Backward chaining: (: $term (Inheritance $x Mammal))", " Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), " Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (207) [system] string_concat('.', " Backward chaining: (: $term (Inheritance $x Mammal))", _1315676)
   Exit: (207) [system] string_concat('.', " Backward chaining: (: $term (Inheritance $x Mammal))", ". Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), ". Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (206) [system] string_concat('1', ". Backward chaining: (: $term (Inheritance $x Mammal))", _1309176)
   Exit: (206) [system] string_concat('1', ". Backward chaining: (: $term (Inheritance $x Mammal))", "1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (205) [system] string_concat(' ', "1. Backward chaining: (: $term (Inheritance $x Mammal))", _1302676)
   Exit: (205) [system] string_concat(' ', "1. Backward chaining: (: $term (Inheritance $x Mammal))", " 1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), " 1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (204) [system] string_concat(' ', " 1. Backward chaining: (: $term (Inheritance $x Mammal))", _1296176)
   Exit: (204) [system] string_concat(' ', " 1. Backward chaining: (: $term (Inheritance $x Mammal))", "  1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "  1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (203) [system] string_concat(' ', "  1. Backward chaining: (: $term (Inheritance $x Mammal))", _1289676)
   Exit: (203) [system] string_concat(' ', "  1. Backward chaining: (: $term (Inheritance $x Mammal))", "   1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "   1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (202) [system] string_concat(' ', "   1. Backward chaining: (: $term (Inheritance $x Mammal))", _1283176)
   Exit: (202) [system] string_concat(' ', "   1. Backward chaining: (: $term (Inheritance $x Mammal))", "    1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "    1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (201) [system] string_concat(' ', "    1. Backward chaining: (: $term (Inheritance $x Mammal))", _1276676)
   Exit: (201) [system] string_concat(' ', "    1. Backward chaining: (: $term (Inheritance $x Mammal))", "     1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "     1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (200) [system] string_concat(' ', "     1. Backward chaining: (: $term (Inheritance $x Mammal))", _1270176)
   Exit: (200) [system] string_concat(' ', "     1. Backward chaining: (: $term (Inheritance $x Mammal))", "      1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "      1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (199) [system] string_concat(' ', "      1. Backward chaining: (: $term (Inheritance $x Mammal))", _1263676)
   Exit: (199) [system] string_concat(' ', "      1. Backward chaining: (: $term (Inheritance $x Mammal))", "       1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "       1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (198) [system] string_concat(' ', "       1. Backward chaining: (: $term (Inheritance $x Mammal))", _1257176)
   Exit: (198) [system] string_concat(' ', "       1. Backward chaining: (: $term (Inheritance $x Mammal))", "        1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "        1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (197) [system] string_concat(' ', "        1. Backward chaining: (: $term (Inheritance $x Mammal))", _1250676)
   Exit: (197) [system] string_concat(' ', "        1. Backward chaining: (: $term (Inheritance $x Mammal))", "         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (196) [system] string_concat(;, "         1. Backward chaining: (: $term (Inheritance $x Mammal))", _1244176)
   Exit: (196) [system] string_concat(;, "         1. Backward chaining: (: $term (Inheritance $x Mammal))", ";         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), ";         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (195) [system] string_concat(;, ";         1. Backward chaining: (: $term (Inheritance $x Mammal))", _1237676)
   Exit: (195) [system] string_concat(;, ";         1. Backward chaining: (: $term (Inheritance $x Mammal))", ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Call: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (193) [user] read_comment((0x558d99e6bec0))
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1863018)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ;)
   Call: (194) [system] (;)=(;)
   Exit: (194) [system] (;)=(;)
^  Call: (194) [user] read_comment((0x558d99e6bec0))
^  Call: (195) [user] read_position((0x558d99e6bec0), _1867656, _1867658, _1867660, _1867662)
   Call: (196) [system] stream_property((0x558d99e6bec0), position(_1867662))
   Call: (197) [system] nonvar((0x558d99e6bec0))
   Exit: (197) [system] nonvar((0x558d99e6bec0))
   Call: (197) [system] nonvar(position(_1867662))
   Exit: (197) [system] nonvar(position(_1867662))
   Exit: (196) [system] stream_property((0x558d99e6bec0), position('$stream_position'(787, 29, 0, 787)))
   Call: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), _1867656)
   Call: (197) [system] nonvar(line_count)
   Exit: (197) [system] nonvar(line_count)
   Call: (197) [$syspreds] stream_position_field(line_count, _1876950)
   Exit: (197) [$syspreds] stream_position_field(line_count, 2)
   Call: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), _1867656)
   Exit: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), 29)
   Exit: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), 29)
   Call: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), _1867658)
   Call: (197) [system] nonvar(line_position)
   Exit: (197) [system] nonvar(line_position)
   Call: (197) [$syspreds] stream_position_field(line_position, _1884384)
   Exit: (197) [$syspreds] stream_position_field(line_position, 3)
   Call: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), _1867658)
   Exit: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), 0)
   Exit: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), 0)
   Call: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), _1867660)
   Call: (197) [system] nonvar(char_count)
   Exit: (197) [system] nonvar(char_count)
   Call: (197) [$syspreds] stream_position_field(char_count, _1891818)
   Exit: (197) [$syspreds] stream_position_field(char_count, 1)
   Call: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), _1867660)
   Exit: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), 787)
   Exit: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), 787)
^  Exit: (195) [user] read_position((0x558d99e6bec0), 29, 0, 787, '$stream_position'(787, 29, 0, 787))
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1897412)
   Call: (196) [system] get_char((0x558d99e6bec0), _1898342)
   Exit: (196) [system] get_char((0x558d99e6bec0), ;)
   Call: (196) [system] char_type(;, end_of_line)
   Fail: (196) [system] char_type(;, end_of_line)
   Call: (196) [system] (;)=end_of_file
   Fail: (196) [system] (;)=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1903912)
   Call: (197) [system] get_char((0x558d99e6bec0), _1904842)
   Exit: (197) [system] get_char((0x558d99e6bec0), ;)
   Call: (197) [system] char_type(;, end_of_line)
   Fail: (197) [system] char_type(;, end_of_line)
   Call: (197) [system] (;)=end_of_file
   Fail: (197) [system] (;)=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1910412)
   Call: (198) [system] get_char((0x558d99e6bec0), _1911342)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Fail: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
   Fail: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1916912)
   Call: (199) [system] get_char((0x558d99e6bec0), _1917842)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1923412)
   Call: (200) [system] get_char((0x558d99e6bec0), _1924342)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1929912)
   Call: (201) [system] get_char((0x558d99e6bec0), _1930842)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1936412)
   Call: (202) [system] get_char((0x558d99e6bec0), _1937342)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1942912)
   Call: (203) [system] get_char((0x558d99e6bec0), _1943842)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1949412)
   Call: (204) [system] get_char((0x558d99e6bec0), _1950342)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Fail: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
   Fail: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1955912)
   Call: (205) [system] get_char((0x558d99e6bec0), _1956842)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1962412)
   Call: (206) [system] get_char((0x558d99e6bec0), _1963342)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Fail: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
   Fail: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1968912)
   Call: (207) [system] get_char((0x558d99e6bec0), _1969842)
   Exit: (207) [system] get_char((0x558d99e6bec0), '2')
   Call: (207) [system] char_type('2', end_of_line)
   Fail: (207) [system] char_type('2', end_of_line)
   Call: (207) [system] '2'=end_of_file
   Fail: (207) [system] '2'=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1975412)
   Call: (208) [system] get_char((0x558d99e6bec0), _1976342)
   Exit: (208) [system] get_char((0x558d99e6bec0), '.')
   Call: (208) [system] char_type('.', end_of_line)
   Fail: (208) [system] char_type('.', end_of_line)
   Call: (208) [system] ('.')=end_of_file
   Fail: (208) [system] ('.')=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1981912)
   Call: (209) [system] get_char((0x558d99e6bec0), _1982842)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Fail: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
   Fail: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1988412)
   Call: (210) [system] get_char((0x558d99e6bec0), _1989342)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'F')
   Call: (210) [system] char_type('F', end_of_line)
   Fail: (210) [system] char_type('F', end_of_line)
   Call: (210) [system] 'F'=end_of_file
   Fail: (210) [system] 'F'=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1994912)
   Call: (211) [system] get_char((0x558d99e6bec0), _1995842)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] char_type(o, end_of_line)
   Fail: (211) [system] char_type(o, end_of_line)
   Call: (211) [system] o=end_of_file
   Fail: (211) [system] o=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _2001412)
   Call: (212) [system] get_char((0x558d99e6bec0), _2002342)
   Exit: (212) [system] get_char((0x558d99e6bec0), r)
   Call: (212) [system] char_type(r, end_of_line)
   Fail: (212) [system] char_type(r, end_of_line)
   Call: (212) [system] r=end_of_file
   Fail: (212) [system] r=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _2007912)
   Call: (213) [system] get_char((0x558d99e6bec0), _2008842)
   Exit: (213) [system] get_char((0x558d99e6bec0), w)
   Call: (213) [system] char_type(w, end_of_line)
   Fail: (213) [system] char_type(w, end_of_line)
   Call: (213) [system] w=end_of_file
   Fail: (213) [system] w=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _2014412)
   Call: (214) [system] get_char((0x558d99e6bec0), _2015342)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _2020912)
   Call: (215) [system] get_char((0x558d99e6bec0), _2021842)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] char_type(r, end_of_line)
   Fail: (215) [system] char_type(r, end_of_line)
   Call: (215) [system] r=end_of_file
   Fail: (215) [system] r=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _2027412)
   Call: (216) [system] get_char((0x558d99e6bec0), _2028342)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] char_type(d, end_of_line)
   Fail: (216) [system] char_type(d, end_of_line)
   Call: (216) [system] d=end_of_file
   Fail: (216) [system] d=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _2033912)
   Call: (217) [system] get_char((0x558d99e6bec0), _2034842)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Fail: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
   Fail: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _2040412)
   Call: (218) [system] get_char((0x558d99e6bec0), _2041342)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _2046912)
   Call: (219) [system] get_char((0x558d99e6bec0), _2047842)
   Exit: (219) [system] get_char((0x558d99e6bec0), h)
   Call: (219) [system] char_type(h, end_of_line)
   Fail: (219) [system] char_type(h, end_of_line)
   Call: (219) [system] h=end_of_file
   Fail: (219) [system] h=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _2053412)
   Call: (220) [system] get_char((0x558d99e6bec0), _2054342)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _2059912)
   Call: (221) [system] get_char((0x558d99e6bec0), _2060842)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] char_type(i, end_of_line)
   Fail: (221) [system] char_type(i, end_of_line)
   Call: (221) [system] i=end_of_file
   Fail: (221) [system] i=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _2066412)
   Call: (222) [system] get_char((0x558d99e6bec0), _2067342)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] char_type(n, end_of_line)
   Fail: (222) [system] char_type(n, end_of_line)
   Call: (222) [system] n=end_of_file
   Fail: (222) [system] n=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _2072912)
   Call: (223) [system] get_char((0x558d99e6bec0), _2073842)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] char_type(i, end_of_line)
   Fail: (223) [system] char_type(i, end_of_line)
   Call: (223) [system] i=end_of_file
   Fail: (223) [system] i=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _2079412)
   Call: (224) [system] get_char((0x558d99e6bec0), _2080342)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] char_type(n, end_of_line)
   Fail: (224) [system] char_type(n, end_of_line)
   Call: (224) [system] n=end_of_file
   Fail: (224) [system] n=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _2085912)
   Call: (225) [system] get_char((0x558d99e6bec0), _2086842)
   Exit: (225) [system] get_char((0x558d99e6bec0), g)
   Call: (225) [system] char_type(g, end_of_line)
   Fail: (225) [system] char_type(g, end_of_line)
   Call: (225) [system] g=end_of_file
   Fail: (225) [system] g=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _2092412)
   Call: (226) [system] get_char((0x558d99e6bec0), _2093342)
   Exit: (226) [system] get_char((0x558d99e6bec0), :)
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _5726)
   Call: (227) [system] get_char((0x558d99e6bec0), _6656)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Fail: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
   Fail: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _12226)
   Call: (228) [system] get_char((0x558d99e6bec0), _13156)
   Exit: (228) [system] get_char((0x558d99e6bec0), '(')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _18726)
   Call: (229) [system] get_char((0x558d99e6bec0), _19656)
   Exit: (229) [system] get_char((0x558d99e6bec0), :)
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] (:)=end_of_file
   Fail: (229) [system] (:)=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _25226)
   Call: (230) [system] get_char((0x558d99e6bec0), _26156)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Fail: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
   Fail: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _31726)
   Call: (231) [system] get_char((0x558d99e6bec0), _32656)
   Exit: (231) [system] get_char((0x558d99e6bec0), '(')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] '('=end_of_file
   Fail: (231) [system] '('=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _38226)
   Call: (232) [system] get_char((0x558d99e6bec0), _39156)
   Exit: (232) [system] get_char((0x558d99e6bec0), $)
   Call: (232) [system] char_type($, end_of_line)
   Fail: (232) [system] char_type($, end_of_line)
   Call: (232) [system] ($)=end_of_file
   Fail: (232) [system] ($)=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _44726)
   Call: (233) [system] get_char((0x558d99e6bec0), _45656)
   Exit: (233) [system] get_char((0x558d99e6bec0), r)
   Call: (233) [system] char_type(r, end_of_line)
   Fail: (233) [system] char_type(r, end_of_line)
   Call: (233) [system] r=end_of_file
   Fail: (233) [system] r=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _51226)
   Call: (234) [system] get_char((0x558d99e6bec0), _52156)
   Exit: (234) [system] get_char((0x558d99e6bec0), u)
   Call: (234) [system] char_type(u, end_of_line)
   Fail: (234) [system] char_type(u, end_of_line)
   Call: (234) [system] u=end_of_file
   Fail: (234) [system] u=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _57726)
   Call: (235) [system] get_char((0x558d99e6bec0), _58656)
   Exit: (235) [system] get_char((0x558d99e6bec0), l)
   Call: (235) [system] char_type(l, end_of_line)
   Fail: (235) [system] char_type(l, end_of_line)
   Call: (235) [system] l=end_of_file
   Fail: (235) [system] l=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _64226)
   Call: (236) [system] get_char((0x558d99e6bec0), _65156)
   Exit: (236) [system] get_char((0x558d99e6bec0), e)
   Call: (236) [system] char_type(e, end_of_line)
   Fail: (236) [system] char_type(e, end_of_line)
   Call: (236) [system] e=end_of_file
   Fail: (236) [system] e=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _70726)
   Call: (237) [system] get_char((0x558d99e6bec0), _71656)
   Exit: (237) [system] get_char((0x558d99e6bec0), ' ')
   Call: (237) [system] char_type(' ', end_of_line)
   Fail: (237) [system] char_type(' ', end_of_line)
   Call: (237) [system] ' '=end_of_file
   Fail: (237) [system] ' '=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _77226)
   Call: (238) [system] get_char((0x558d99e6bec0), _78156)
   Exit: (238) [system] get_char((0x558d99e6bec0), $)
   Call: (238) [system] char_type($, end_of_line)
   Fail: (238) [system] char_type($, end_of_line)
   Call: (238) [system] ($)=end_of_file
   Fail: (238) [system] ($)=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _83726)
   Call: (239) [system] get_char((0x558d99e6bec0), _84656)
   Exit: (239) [system] get_char((0x558d99e6bec0), p)
   Call: (239) [system] char_type(p, end_of_line)
   Fail: (239) [system] char_type(p, end_of_line)
   Call: (239) [system] p=end_of_file
   Fail: (239) [system] p=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _90226)
   Call: (240) [system] get_char((0x558d99e6bec0), _91156)
   Exit: (240) [system] get_char((0x558d99e6bec0), r)
   Call: (240) [system] char_type(r, end_of_line)
   Fail: (240) [system] char_type(r, end_of_line)
   Call: (240) [system] r=end_of_file
   Fail: (240) [system] r=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _96726)
   Call: (241) [system] get_char((0x558d99e6bec0), _97656)
   Exit: (241) [system] get_char((0x558d99e6bec0), e)
   Call: (241) [system] char_type(e, end_of_line)
   Fail: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
   Fail: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _103226)
   Call: (242) [system] get_char((0x558d99e6bec0), _104156)
   Exit: (242) [system] get_char((0x558d99e6bec0), m)
   Call: (242) [system] char_type(m, end_of_line)
   Fail: (242) [system] char_type(m, end_of_line)
   Call: (242) [system] m=end_of_file
   Fail: (242) [system] m=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _109726)
   Call: (243) [system] get_char((0x558d99e6bec0), _110656)
   Exit: (243) [system] get_char((0x558d99e6bec0), i)
   Call: (243) [system] char_type(i, end_of_line)
   Fail: (243) [system] char_type(i, end_of_line)
   Call: (243) [system] i=end_of_file
   Fail: (243) [system] i=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _116226)
   Call: (244) [system] get_char((0x558d99e6bec0), _117156)
   Exit: (244) [system] get_char((0x558d99e6bec0), s)
   Call: (244) [system] char_type(s, end_of_line)
   Fail: (244) [system] char_type(s, end_of_line)
   Call: (244) [system] s=end_of_file
   Fail: (244) [system] s=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _122726)
   Call: (245) [system] get_char((0x558d99e6bec0), _123656)
   Exit: (245) [system] get_char((0x558d99e6bec0), e)
   Call: (245) [system] char_type(e, end_of_line)
   Fail: (245) [system] char_type(e, end_of_line)
   Call: (245) [system] e=end_of_file
   Fail: (245) [system] e=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _129226)
   Call: (246) [system] get_char((0x558d99e6bec0), _130156)
   Exit: (246) [system] get_char((0x558d99e6bec0), ' ')
   Call: (246) [system] char_type(' ', end_of_line)
   Fail: (246) [system] char_type(' ', end_of_line)
   Call: (246) [system] ' '=end_of_file
   Fail: (246) [system] ' '=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _135726)
   Call: (247) [system] get_char((0x558d99e6bec0), _136656)
   Exit: (247) [system] get_char((0x558d99e6bec0), 'A')
   Call: (247) [system] char_type('A', end_of_line)
   Fail: (247) [system] char_type('A', end_of_line)
   Call: (247) [system] 'A'=end_of_file
   Fail: (247) [system] 'A'=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _142226)
   Call: (248) [system] get_char((0x558d99e6bec0), _143156)
   Exit: (248) [system] get_char((0x558d99e6bec0), 'X')
   Call: (248) [system] char_type('X', end_of_line)
   Fail: (248) [system] char_type('X', end_of_line)
   Call: (248) [system] 'X'=end_of_file
   Fail: (248) [system] 'X'=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _148726)
   Call: (249) [system] get_char((0x558d99e6bec0), _149656)
   Exit: (249) [system] get_char((0x558d99e6bec0), 'I')
   Call: (249) [system] char_type('I', end_of_line)
   Fail: (249) [system] char_type('I', end_of_line)
   Call: (249) [system] 'I'=end_of_file
   Fail: (249) [system] 'I'=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _155226)
   Call: (250) [system] get_char((0x558d99e6bec0), _156156)
   Exit: (250) [system] get_char((0x558d99e6bec0), 'O')
   Call: (250) [system] char_type('O', end_of_line)
   Fail: (250) [system] char_type('O', end_of_line)
   Call: (250) [system] 'O'=end_of_file
   Fail: (250) [system] 'O'=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _161726)
   Call: (251) [system] get_char((0x558d99e6bec0), _162656)
   Exit: (251) [system] get_char((0x558d99e6bec0), 'M')
   Call: (251) [system] char_type('M', end_of_line)
   Fail: (251) [system] char_type('M', end_of_line)
   Call: (251) [system] 'M'=end_of_file
   Fail: (251) [system] 'M'=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _168226)
   Call: (252) [system] get_char((0x558d99e6bec0), _169156)
   Exit: (252) [system] get_char((0x558d99e6bec0), ')')
   Call: (252) [system] char_type(')', end_of_line)
   Fail: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] ')'=end_of_file
   Fail: (252) [system] ')'=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _174726)
   Call: (253) [system] get_char((0x558d99e6bec0), _175656)
   Exit: (253) [system] get_char((0x558d99e6bec0), ' ')
   Call: (253) [system] char_type(' ', end_of_line)
   Fail: (253) [system] char_type(' ', end_of_line)
   Call: (253) [system] ' '=end_of_file
   Fail: (253) [system] ' '=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _181226)
   Call: (254) [system] get_char((0x558d99e6bec0), _182156)
   Exit: (254) [system] get_char((0x558d99e6bec0), $)
   Call: (254) [system] char_type($, end_of_line)
   Fail: (254) [system] char_type($, end_of_line)
   Call: (254) [system] ($)=end_of_file
   Fail: (254) [system] ($)=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _187726)
   Call: (255) [system] get_char((0x558d99e6bec0), _188656)
   Exit: (255) [system] get_char((0x558d99e6bec0), t)
   Call: (255) [system] char_type(t, end_of_line)
   Fail: (255) [system] char_type(t, end_of_line)
   Call: (255) [system] t=end_of_file
   Fail: (255) [system] t=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _194226)
   Call: (256) [system] get_char((0x558d99e6bec0), _195156)
   Exit: (256) [system] get_char((0x558d99e6bec0), y)
   Call: (256) [system] char_type(y, end_of_line)
   Fail: (256) [system] char_type(y, end_of_line)
   Call: (256) [system] y=end_of_file
   Fail: (256) [system] y=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _200726)
   Call: (257) [system] get_char((0x558d99e6bec0), _201656)
   Exit: (257) [system] get_char((0x558d99e6bec0), p)
   Call: (257) [system] char_type(p, end_of_line)
   Fail: (257) [system] char_type(p, end_of_line)
   Call: (257) [system] p=end_of_file
   Fail: (257) [system] p=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _207226)
   Call: (258) [system] get_char((0x558d99e6bec0), _208156)
   Exit: (258) [system] get_char((0x558d99e6bec0), e)
   Call: (258) [system] char_type(e, end_of_line)
   Fail: (258) [system] char_type(e, end_of_line)
   Call: (258) [system] e=end_of_file
   Fail: (258) [system] e=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _213726)
   Call: (259) [system] get_char((0x558d99e6bec0), _214656)
   Exit: (259) [system] get_char((0x558d99e6bec0), ')')
   Call: (259) [system] char_type(')', end_of_line)
   Fail: (259) [system] char_type(')', end_of_line)
   Call: (259) [system] ')'=end_of_file
   Fail: (259) [system] ')'=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _220226)
   Call: (260) [system] get_char((0x558d99e6bec0), _221156)
   Exit: (260) [system] get_char((0x558d99e6bec0), '\n')
   Call: (260) [system] char_type('\n', end_of_line)
   Exit: (260) [system] char_type('\n', end_of_line)
   Call: (260) [system] _220226=""
   Exit: (260) [system] ""=""
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (259) [system] string_concat(')', "", _213726)
   Exit: (259) [system] string_concat(')', "", ")")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), ")")
   Call: (258) [system] string_concat(e, ")", _207226)
   Exit: (258) [system] string_concat(e, ")", "e)")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "e)")
   Call: (257) [system] string_concat(p, "e)", _200726)
   Exit: (257) [system] string_concat(p, "e)", "pe)")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "pe)")
   Call: (256) [system] string_concat(y, "pe)", _194226)
   Exit: (256) [system] string_concat(y, "pe)", "ype)")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "ype)")
   Call: (255) [system] string_concat(t, "ype)", _187726)
   Exit: (255) [system] string_concat(t, "ype)", "type)")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "type)")
   Call: (254) [system] string_concat($, "type)", _181226)
   Exit: (254) [system] string_concat($, "type)", "$type)")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "$type)")
   Call: (253) [system] string_concat(' ', "$type)", _174726)
   Exit: (253) [system] string_concat(' ', "$type)", " $type)")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), " $type)")
   Call: (252) [system] string_concat(')', " $type)", _168226)
   Exit: (252) [system] string_concat(')', " $type)", ") $type)")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), ") $type)")
   Call: (251) [system] string_concat('M', ") $type)", _161726)
   Exit: (251) [system] string_concat('M', ") $type)", "M) $type)")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "M) $type)")
   Call: (250) [system] string_concat('O', "M) $type)", _155226)
   Exit: (250) [system] string_concat('O', "M) $type)", "OM) $type)")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "OM) $type)")
   Call: (249) [system] string_concat('I', "OM) $type)", _148726)
   Exit: (249) [system] string_concat('I', "OM) $type)", "IOM) $type)")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "IOM) $type)")
   Call: (248) [system] string_concat('X', "IOM) $type)", _142226)
   Exit: (248) [system] string_concat('X', "IOM) $type)", "XIOM) $type)")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "XIOM) $type)")
   Call: (247) [system] string_concat('A', "XIOM) $type)", _135726)
   Exit: (247) [system] string_concat('A', "XIOM) $type)", "AXIOM) $type)")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "AXIOM) $type)")
   Call: (246) [system] string_concat(' ', "AXIOM) $type)", _129226)
   Exit: (246) [system] string_concat(' ', "AXIOM) $type)", " AXIOM) $type)")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), " AXIOM) $type)")
   Call: (245) [system] string_concat(e, " AXIOM) $type)", _122726)
   Exit: (245) [system] string_concat(e, " AXIOM) $type)", "e AXIOM) $type)")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "e AXIOM) $type)")
   Call: (244) [system] string_concat(s, "e AXIOM) $type)", _116226)
   Exit: (244) [system] string_concat(s, "e AXIOM) $type)", "se AXIOM) $type)")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "se AXIOM) $type)")
   Call: (243) [system] string_concat(i, "se AXIOM) $type)", _109726)
   Exit: (243) [system] string_concat(i, "se AXIOM) $type)", "ise AXIOM) $type)")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "ise AXIOM) $type)")
   Call: (242) [system] string_concat(m, "ise AXIOM) $type)", _103226)
   Exit: (242) [system] string_concat(m, "ise AXIOM) $type)", "mise AXIOM) $type)")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "mise AXIOM) $type)")
   Call: (241) [system] string_concat(e, "mise AXIOM) $type)", _96726)
   Exit: (241) [system] string_concat(e, "mise AXIOM) $type)", "emise AXIOM) $type)")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "emise AXIOM) $type)")
   Call: (240) [system] string_concat(r, "emise AXIOM) $type)", _90226)
   Exit: (240) [system] string_concat(r, "emise AXIOM) $type)", "remise AXIOM) $type)")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "remise AXIOM) $type)")
   Call: (239) [system] string_concat(p, "remise AXIOM) $type)", _83726)
   Exit: (239) [system] string_concat(p, "remise AXIOM) $type)", "premise AXIOM) $type)")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "premise AXIOM) $type)")
   Call: (238) [system] string_concat($, "premise AXIOM) $type)", _77226)
   Exit: (238) [system] string_concat($, "premise AXIOM) $type)", "$premise AXIOM) $type)")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "$premise AXIOM) $type)")
   Call: (237) [system] string_concat(' ', "$premise AXIOM) $type)", _70726)
   Exit: (237) [system] string_concat(' ', "$premise AXIOM) $type)", " $premise AXIOM) $type)")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), " $premise AXIOM) $type)")
   Call: (236) [system] string_concat(e, " $premise AXIOM) $type)", _64226)
   Exit: (236) [system] string_concat(e, " $premise AXIOM) $type)", "e $premise AXIOM) $type)")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "e $premise AXIOM) $type)")
   Call: (235) [system] string_concat(l, "e $premise AXIOM) $type)", _57726)
   Exit: (235) [system] string_concat(l, "e $premise AXIOM) $type)", "le $premise AXIOM) $type)")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "le $premise AXIOM) $type)")
   Call: (234) [system] string_concat(u, "le $premise AXIOM) $type)", _51226)
   Exit: (234) [system] string_concat(u, "le $premise AXIOM) $type)", "ule $premise AXIOM) $type)")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "ule $premise AXIOM) $type)")
   Call: (233) [system] string_concat(r, "ule $premise AXIOM) $type)", _44726)
   Exit: (233) [system] string_concat(r, "ule $premise AXIOM) $type)", "rule $premise AXIOM) $type)")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "rule $premise AXIOM) $type)")
   Call: (232) [system] string_concat($, "rule $premise AXIOM) $type)", _38226)
   Exit: (232) [system] string_concat($, "rule $premise AXIOM) $type)", "$rule $premise AXIOM) $type)")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "$rule $premise AXIOM) $type)")
   Call: (231) [system] string_concat('(', "$rule $premise AXIOM) $type)", _31726)
   Exit: (231) [system] string_concat('(', "$rule $premise AXIOM) $type)", "($rule $premise AXIOM) $type)")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "($rule $premise AXIOM) $type)")
   Call: (230) [system] string_concat(' ', "($rule $premise AXIOM) $type)", _25226)
   Exit: (230) [system] string_concat(' ', "($rule $premise AXIOM) $type)", " ($rule $premise AXIOM) $type)")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), " ($rule $premise AXIOM) $type)")
   Call: (229) [system] string_concat(:, " ($rule $premise AXIOM) $type)", _18726)
   Exit: (229) [system] string_concat(:, " ($rule $premise AXIOM) $type)", ": ($rule $premise AXIOM) $type)")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), ": ($rule $premise AXIOM) $type)")
   Call: (228) [system] string_concat('(', ": ($rule $premise AXIOM) $type)", _12226)
   Exit: (228) [system] string_concat('(', ": ($rule $premise AXIOM) $type)", "(: ($rule $premise AXIOM) $type)")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "(: ($rule $premise AXIOM) $type)")
   Call: (227) [system] string_concat(' ', "(: ($rule $premise AXIOM) $type)", _5726)
   Exit: (227) [system] string_concat(' ', "(: ($rule $premise AXIOM) $type)", " (: ($rule $premise AXIOM) $type)")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), " (: ($rule $premise AXIOM) $type)")
   Call: (226) [system] string_concat(:, " (: ($rule $premise AXIOM) $type)", _3514)
   Exit: (226) [system] string_concat(:, " (: ($rule $premise AXIOM) $type)", ": (: ($rule $premise AXIOM) $type)")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), ": (: ($rule $premise AXIOM) $type)")
   Call: (225) [system] string_concat(g, ": (: ($rule $premise AXIOM) $type)", _3510)
   Exit: (225) [system] string_concat(g, ": (: ($rule $premise AXIOM) $type)", "g: (: ($rule $premise AXIOM) $type)")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "g: (: ($rule $premise AXIOM) $type)")
   Call: (224) [system] string_concat(n, "g: (: ($rule $premise AXIOM) $type)", _3506)
   Exit: (224) [system] string_concat(n, "g: (: ($rule $premise AXIOM) $type)", "ng: (: ($rule $premise AXIOM) $type)")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "ng: (: ($rule $premise AXIOM) $type)")
   Call: (223) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) $type)", _3502)
   Exit: (223) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) $type)", "ing: (: ($rule $premise AXIOM) $type)")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ing: (: ($rule $premise AXIOM) $type)")
   Call: (222) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) $type)", _3498)
   Exit: (222) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) $type)", "ning: (: ($rule $premise AXIOM) $type)")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "ning: (: ($rule $premise AXIOM) $type)")
   Call: (221) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) $type)", _3494)
   Exit: (221) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) $type)", "ining: (: ($rule $premise AXIOM) $type)")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "ining: (: ($rule $premise AXIOM) $type)")
   Call: (220) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) $type)", _3490)
   Exit: (220) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) $type)", "aining: (: ($rule $premise AXIOM) $type)")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "aining: (: ($rule $premise AXIOM) $type)")
   Call: (219) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) $type)", _3486)
   Exit: (219) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) $type)", "haining: (: ($rule $premise AXIOM) $type)")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "haining: (: ($rule $premise AXIOM) $type)")
   Call: (218) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) $type)", _3482)
   Exit: (218) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) $type)", "chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "chaining: (: ($rule $premise AXIOM) $type)")
   Call: (217) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) $type)", _3478)
   Exit: (217) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) $type)", " chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), " chaining: (: ($rule $premise AXIOM) $type)")
   Call: (216) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) $type)", _3474)
   Exit: (216) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) $type)", "d chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "d chaining: (: ($rule $premise AXIOM) $type)")
   Call: (215) [system] string_concat(r, "d chaining: (: ($rule $premise AXIOM) $type)", _3470)
   Exit: (215) [system] string_concat(r, "d chaining: (: ($rule $premise AXIOM) $type)", "rd chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "rd chaining: (: ($rule $premise AXIOM) $type)")
   Call: (214) [system] string_concat(a, "rd chaining: (: ($rule $premise AXIOM) $type)", _3466)
   Exit: (214) [system] string_concat(a, "rd chaining: (: ($rule $premise AXIOM) $type)", "ard chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "ard chaining: (: ($rule $premise AXIOM) $type)")
   Call: (213) [system] string_concat(w, "ard chaining: (: ($rule $premise AXIOM) $type)", _3462)
   Exit: (213) [system] string_concat(w, "ard chaining: (: ($rule $premise AXIOM) $type)", "ward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "ward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (212) [system] string_concat(r, "ward chaining: (: ($rule $premise AXIOM) $type)", _3458)
   Exit: (212) [system] string_concat(r, "ward chaining: (: ($rule $premise AXIOM) $type)", "rward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "rward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (211) [system] string_concat(o, "rward chaining: (: ($rule $premise AXIOM) $type)", _3454)
   Exit: (211) [system] string_concat(o, "rward chaining: (: ($rule $premise AXIOM) $type)", "orward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "orward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (210) [system] string_concat('F', "orward chaining: (: ($rule $premise AXIOM) $type)", _3450)
   Exit: (210) [system] string_concat('F', "orward chaining: (: ($rule $premise AXIOM) $type)", "Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (209) [system] string_concat(' ', "Forward chaining: (: ($rule $premise AXIOM) $type)", _3446)
   Exit: (209) [system] string_concat(' ', "Forward chaining: (: ($rule $premise AXIOM) $type)", " Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), " Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (208) [system] string_concat('.', " Forward chaining: (: ($rule $premise AXIOM) $type)", _3442)
   Exit: (208) [system] string_concat('.', " Forward chaining: (: ($rule $premise AXIOM) $type)", ". Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), ". Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (207) [system] string_concat('2', ". Forward chaining: (: ($rule $premise AXIOM) $type)", _3438)
   Exit: (207) [system] string_concat('2', ". Forward chaining: (: ($rule $premise AXIOM) $type)", "2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (206) [system] string_concat(' ', "2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3434)
   Exit: (206) [system] string_concat(' ', "2. Forward chaining: (: ($rule $premise AXIOM) $type)", " 2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), " 2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (205) [system] string_concat(' ', " 2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3430)
   Exit: (205) [system] string_concat(' ', " 2. Forward chaining: (: ($rule $premise AXIOM) $type)", "  2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "  2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (204) [system] string_concat(' ', "  2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3426)
   Exit: (204) [system] string_concat(' ', "  2. Forward chaining: (: ($rule $premise AXIOM) $type)", "   2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "   2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (203) [system] string_concat(' ', "   2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3422)
   Exit: (203) [system] string_concat(' ', "   2. Forward chaining: (: ($rule $premise AXIOM) $type)", "    2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "    2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (202) [system] string_concat(' ', "    2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3418)
   Exit: (202) [system] string_concat(' ', "    2. Forward chaining: (: ($rule $premise AXIOM) $type)", "     2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "     2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (201) [system] string_concat(' ', "     2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3414)
   Exit: (201) [system] string_concat(' ', "     2. Forward chaining: (: ($rule $premise AXIOM) $type)", "      2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "      2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (200) [system] string_concat(' ', "      2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3410)
   Exit: (200) [system] string_concat(' ', "      2. Forward chaining: (: ($rule $premise AXIOM) $type)", "       2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "       2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (199) [system] string_concat(' ', "       2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3406)
   Exit: (199) [system] string_concat(' ', "       2. Forward chaining: (: ($rule $premise AXIOM) $type)", "        2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "        2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (198) [system] string_concat(' ', "        2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3402)
   Exit: (198) [system] string_concat(' ', "        2. Forward chaining: (: ($rule $premise AXIOM) $type)", "         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (197) [system] string_concat(;, "         2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3398)
   Exit: (197) [system] string_concat(;, "         2. Forward chaining: (: ($rule $premise AXIOM) $type)", ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (196) [system] string_concat(;, ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)", _3394)
   Exit: (196) [system] string_concat(;, ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)", ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Call: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (194) [user] read_comment((0x558d99e6bec0))
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _410940)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ;)
   Call: (195) [system] (;)=(;)
   Exit: (195) [system] (;)=(;)
^  Call: (195) [user] read_comment((0x558d99e6bec0))
^  Call: (196) [user] read_position((0x558d99e6bec0), _415578, _415580, _415582, _415584)
   Call: (197) [system] stream_property((0x558d99e6bec0), position(_415584))
   Call: (198) [system] nonvar((0x558d99e6bec0))
   Exit: (198) [system] nonvar((0x558d99e6bec0))
   Call: (198) [system] nonvar(position(_415584))
   Exit: (198) [system] nonvar(position(_415584))
   Exit: (197) [system] stream_property((0x558d99e6bec0), position('$stream_position'(852, 30, 0, 852)))
   Call: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), _415578)
   Call: (198) [system] nonvar(line_count)
   Exit: (198) [system] nonvar(line_count)
   Call: (198) [$syspreds] stream_position_field(line_count, _424872)
   Exit: (198) [$syspreds] stream_position_field(line_count, 2)
   Call: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), _415578)
   Exit: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), 30)
   Exit: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), 30)
   Call: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), _415580)
   Call: (198) [system] nonvar(line_position)
   Exit: (198) [system] nonvar(line_position)
   Call: (198) [$syspreds] stream_position_field(line_position, _432306)
   Exit: (198) [$syspreds] stream_position_field(line_position, 3)
   Call: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), _415580)
   Exit: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), 0)
   Exit: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), 0)
   Call: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), _415582)
   Call: (198) [system] nonvar(char_count)
   Exit: (198) [system] nonvar(char_count)
   Call: (198) [$syspreds] stream_position_field(char_count, _439740)
   Exit: (198) [$syspreds] stream_position_field(char_count, 1)
   Call: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), _415582)
   Exit: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), 852)
   Exit: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), 852)
^  Exit: (196) [user] read_position((0x558d99e6bec0), 30, 0, 852, '$stream_position'(852, 30, 0, 852))
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _445334)
   Call: (197) [system] get_char((0x558d99e6bec0), _446264)
   Exit: (197) [system] get_char((0x558d99e6bec0), ;)
   Call: (197) [system] char_type(;, end_of_line)
   Fail: (197) [system] char_type(;, end_of_line)
   Call: (197) [system] (;)=end_of_file
   Fail: (197) [system] (;)=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _451834)
   Call: (198) [system] get_char((0x558d99e6bec0), _452764)
   Exit: (198) [system] get_char((0x558d99e6bec0), ;)
   Call: (198) [system] char_type(;, end_of_line)
   Fail: (198) [system] char_type(;, end_of_line)
   Call: (198) [system] (;)=end_of_file
   Fail: (198) [system] (;)=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _458334)
   Call: (199) [system] get_char((0x558d99e6bec0), _459264)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _464834)
   Call: (200) [system] get_char((0x558d99e6bec0), _465764)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _471334)
   Call: (201) [system] get_char((0x558d99e6bec0), _472264)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _477834)
   Call: (202) [system] get_char((0x558d99e6bec0), _478764)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _484334)
   Call: (203) [system] get_char((0x558d99e6bec0), _485264)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _490834)
   Call: (204) [system] get_char((0x558d99e6bec0), _491764)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Fail: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
   Fail: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _497334)
   Call: (205) [system] get_char((0x558d99e6bec0), _498264)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _503834)
   Call: (206) [system] get_char((0x558d99e6bec0), _504764)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Fail: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
   Fail: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _510334)
   Call: (207) [system] get_char((0x558d99e6bec0), _511264)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _516834)
   Call: (208) [system] get_char((0x558d99e6bec0), _517764)
   Exit: (208) [system] get_char((0x558d99e6bec0), '3')
   Call: (208) [system] char_type('3', end_of_line)
   Fail: (208) [system] char_type('3', end_of_line)
   Call: (208) [system] '3'=end_of_file
   Fail: (208) [system] '3'=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _523334)
   Call: (209) [system] get_char((0x558d99e6bec0), _524264)
   Exit: (209) [system] get_char((0x558d99e6bec0), '.')
   Call: (209) [system] char_type('.', end_of_line)
   Fail: (209) [system] char_type('.', end_of_line)
   Call: (209) [system] ('.')=end_of_file
   Fail: (209) [system] ('.')=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _529834)
   Call: (210) [system] get_char((0x558d99e6bec0), _530764)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Fail: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
   Fail: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _536334)
   Call: (211) [system] get_char((0x558d99e6bec0), _537264)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'M')
   Call: (211) [system] char_type('M', end_of_line)
   Fail: (211) [system] char_type('M', end_of_line)
   Call: (211) [system] 'M'=end_of_file
   Fail: (211) [system] 'M'=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _542834)
   Call: (212) [system] get_char((0x558d99e6bec0), _543764)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] char_type(i, end_of_line)
   Fail: (212) [system] char_type(i, end_of_line)
   Call: (212) [system] i=end_of_file
   Fail: (212) [system] i=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _549334)
   Call: (213) [system] get_char((0x558d99e6bec0), _550264)
   Exit: (213) [system] get_char((0x558d99e6bec0), x)
   Call: (213) [system] char_type(x, end_of_line)
   Fail: (213) [system] char_type(x, end_of_line)
   Call: (213) [system] x=end_of_file
   Fail: (213) [system] x=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _555834)
   Call: (214) [system] get_char((0x558d99e6bec0), _556764)
   Exit: (214) [system] get_char((0x558d99e6bec0), e)
   Call: (214) [system] char_type(e, end_of_line)
   Fail: (214) [system] char_type(e, end_of_line)
   Call: (214) [system] e=end_of_file
   Fail: (214) [system] e=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _562334)
   Call: (215) [system] get_char((0x558d99e6bec0), _563264)
   Exit: (215) [system] get_char((0x558d99e6bec0), d)
   Call: (215) [system] char_type(d, end_of_line)
   Fail: (215) [system] char_type(d, end_of_line)
   Call: (215) [system] d=end_of_file
   Fail: (215) [system] d=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _568834)
   Call: (216) [system] get_char((0x558d99e6bec0), _569764)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Fail: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
   Fail: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _575334)
   Call: (217) [system] get_char((0x558d99e6bec0), _576264)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _581834)
   Call: (218) [system] get_char((0x558d99e6bec0), _582764)
   Exit: (218) [system] get_char((0x558d99e6bec0), h)
   Call: (218) [system] char_type(h, end_of_line)
   Fail: (218) [system] char_type(h, end_of_line)
   Call: (218) [system] h=end_of_file
   Fail: (218) [system] h=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _588334)
   Call: (219) [system] get_char((0x558d99e6bec0), _589264)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _594834)
   Call: (220) [system] get_char((0x558d99e6bec0), _595764)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] char_type(i, end_of_line)
   Fail: (220) [system] char_type(i, end_of_line)
   Call: (220) [system] i=end_of_file
   Fail: (220) [system] i=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _601334)
   Call: (221) [system] get_char((0x558d99e6bec0), _602264)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] char_type(n, end_of_line)
   Fail: (221) [system] char_type(n, end_of_line)
   Call: (221) [system] n=end_of_file
   Fail: (221) [system] n=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _607834)
   Call: (222) [system] get_char((0x558d99e6bec0), _608764)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] char_type(i, end_of_line)
   Fail: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
   Fail: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _614334)
   Call: (223) [system] get_char((0x558d99e6bec0), _615264)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] char_type(n, end_of_line)
   Fail: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
   Fail: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _620834)
   Call: (224) [system] get_char((0x558d99e6bec0), _621764)
   Exit: (224) [system] get_char((0x558d99e6bec0), g)
   Call: (224) [system] char_type(g, end_of_line)
   Fail: (224) [system] char_type(g, end_of_line)
   Call: (224) [system] g=end_of_file
   Fail: (224) [system] g=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _627334)
   Call: (225) [system] get_char((0x558d99e6bec0), _628264)
   Exit: (225) [system] get_char((0x558d99e6bec0), :)
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _633834)
   Call: (226) [system] get_char((0x558d99e6bec0), _634764)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
   Call: (226) [system] char_type(' ', end_of_line)
   Fail: (226) [system] char_type(' ', end_of_line)
   Call: (226) [system] ' '=end_of_file
   Fail: (226) [system] ' '=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _640334)
   Call: (227) [system] get_char((0x558d99e6bec0), _641264)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _646834)
   Call: (228) [system] get_char((0x558d99e6bec0), _647764)
   Exit: (228) [system] get_char((0x558d99e6bec0), :)
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] (:)=end_of_file
   Fail: (228) [system] (:)=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _653334)
   Call: (229) [system] get_char((0x558d99e6bec0), _654264)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
   Call: (229) [system] char_type(' ', end_of_line)
   Fail: (229) [system] char_type(' ', end_of_line)
   Call: (229) [system] ' '=end_of_file
   Fail: (229) [system] ' '=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _659834)
   Call: (230) [system] get_char((0x558d99e6bec0), _660764)
   Exit: (230) [system] get_char((0x558d99e6bec0), '(')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _666334)
   Call: (231) [system] get_char((0x558d99e6bec0), _667264)
   Exit: (231) [system] get_char((0x558d99e6bec0), $)
   Call: (231) [system] char_type($, end_of_line)
   Fail: (231) [system] char_type($, end_of_line)
   Call: (231) [system] ($)=end_of_file
   Fail: (231) [system] ($)=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _672834)
   Call: (232) [system] get_char((0x558d99e6bec0), _673764)
   Exit: (232) [system] get_char((0x558d99e6bec0), r)
   Call: (232) [system] char_type(r, end_of_line)
   Fail: (232) [system] char_type(r, end_of_line)
   Call: (232) [system] r=end_of_file
   Fail: (232) [system] r=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _679334)
   Call: (233) [system] get_char((0x558d99e6bec0), _680264)
   Exit: (233) [system] get_char((0x558d99e6bec0), u)
   Call: (233) [system] char_type(u, end_of_line)
   Fail: (233) [system] char_type(u, end_of_line)
   Call: (233) [system] u=end_of_file
   Fail: (233) [system] u=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _685834)
   Call: (234) [system] get_char((0x558d99e6bec0), _686764)
   Exit: (234) [system] get_char((0x558d99e6bec0), l)
   Call: (234) [system] char_type(l, end_of_line)
   Fail: (234) [system] char_type(l, end_of_line)
   Call: (234) [system] l=end_of_file
   Fail: (234) [system] l=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _692334)
   Call: (235) [system] get_char((0x558d99e6bec0), _693264)
   Exit: (235) [system] get_char((0x558d99e6bec0), e)
   Call: (235) [system] char_type(e, end_of_line)
   Fail: (235) [system] char_type(e, end_of_line)
   Call: (235) [system] e=end_of_file
   Fail: (235) [system] e=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _698834)
   Call: (236) [system] get_char((0x558d99e6bec0), _699764)
   Exit: (236) [system] get_char((0x558d99e6bec0), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Fail: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
   Fail: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _705334)
   Call: (237) [system] get_char((0x558d99e6bec0), _706264)
   Exit: (237) [system] get_char((0x558d99e6bec0), $)
   Call: (237) [system] char_type($, end_of_line)
   Fail: (237) [system] char_type($, end_of_line)
   Call: (237) [system] ($)=end_of_file
   Fail: (237) [system] ($)=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _711834)
   Call: (238) [system] get_char((0x558d99e6bec0), _712764)
   Exit: (238) [system] get_char((0x558d99e6bec0), p)
   Call: (238) [system] char_type(p, end_of_line)
   Fail: (238) [system] char_type(p, end_of_line)
   Call: (238) [system] p=end_of_file
   Fail: (238) [system] p=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _718334)
   Call: (239) [system] get_char((0x558d99e6bec0), _719264)
   Exit: (239) [system] get_char((0x558d99e6bec0), r)
   Call: (239) [system] char_type(r, end_of_line)
   Fail: (239) [system] char_type(r, end_of_line)
   Call: (239) [system] r=end_of_file
   Fail: (239) [system] r=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _724834)
   Call: (240) [system] get_char((0x558d99e6bec0), _725764)
   Exit: (240) [system] get_char((0x558d99e6bec0), e)
   Call: (240) [system] char_type(e, end_of_line)
   Fail: (240) [system] char_type(e, end_of_line)
   Call: (240) [system] e=end_of_file
   Fail: (240) [system] e=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _731334)
   Call: (241) [system] get_char((0x558d99e6bec0), _732264)
   Exit: (241) [system] get_char((0x558d99e6bec0), m)
   Call: (241) [system] char_type(m, end_of_line)
   Fail: (241) [system] char_type(m, end_of_line)
   Call: (241) [system] m=end_of_file
   Fail: (241) [system] m=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _737834)
   Call: (242) [system] get_char((0x558d99e6bec0), _738764)
   Exit: (242) [system] get_char((0x558d99e6bec0), i)
   Call: (242) [system] char_type(i, end_of_line)
   Fail: (242) [system] char_type(i, end_of_line)
   Call: (242) [system] i=end_of_file
   Fail: (242) [system] i=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _744334)
   Call: (243) [system] get_char((0x558d99e6bec0), _745264)
   Exit: (243) [system] get_char((0x558d99e6bec0), s)
   Call: (243) [system] char_type(s, end_of_line)
   Fail: (243) [system] char_type(s, end_of_line)
   Call: (243) [system] s=end_of_file
   Fail: (243) [system] s=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _750834)
   Call: (244) [system] get_char((0x558d99e6bec0), _751764)
   Exit: (244) [system] get_char((0x558d99e6bec0), e)
   Call: (244) [system] char_type(e, end_of_line)
   Fail: (244) [system] char_type(e, end_of_line)
   Call: (244) [system] e=end_of_file
   Fail: (244) [system] e=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _757334)
   Call: (245) [system] get_char((0x558d99e6bec0), _758264)
   Exit: (245) [system] get_char((0x558d99e6bec0), ' ')
   Call: (245) [system] char_type(' ', end_of_line)
   Fail: (245) [system] char_type(' ', end_of_line)
   Call: (245) [system] ' '=end_of_file
   Fail: (245) [system] ' '=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _763834)
   Call: (246) [system] get_char((0x558d99e6bec0), _764764)
   Exit: (246) [system] get_char((0x558d99e6bec0), 'A')
   Call: (246) [system] char_type('A', end_of_line)
   Fail: (246) [system] char_type('A', end_of_line)
   Call: (246) [system] 'A'=end_of_file
   Fail: (246) [system] 'A'=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _770334)
   Call: (247) [system] get_char((0x558d99e6bec0), _771264)
   Exit: (247) [system] get_char((0x558d99e6bec0), 'X')
   Call: (247) [system] char_type('X', end_of_line)
   Fail: (247) [system] char_type('X', end_of_line)
   Call: (247) [system] 'X'=end_of_file
   Fail: (247) [system] 'X'=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _776834)
   Call: (248) [system] get_char((0x558d99e6bec0), _777764)
   Exit: (248) [system] get_char((0x558d99e6bec0), 'I')
   Call: (248) [system] char_type('I', end_of_line)
   Fail: (248) [system] char_type('I', end_of_line)
   Call: (248) [system] 'I'=end_of_file
   Fail: (248) [system] 'I'=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _783334)
   Call: (249) [system] get_char((0x558d99e6bec0), _784264)
   Exit: (249) [system] get_char((0x558d99e6bec0), 'O')
   Call: (249) [system] char_type('O', end_of_line)
   Fail: (249) [system] char_type('O', end_of_line)
   Call: (249) [system] 'O'=end_of_file
   Fail: (249) [system] 'O'=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _789834)
   Call: (250) [system] get_char((0x558d99e6bec0), _790764)
   Exit: (250) [system] get_char((0x558d99e6bec0), 'M')
   Call: (250) [system] char_type('M', end_of_line)
   Fail: (250) [system] char_type('M', end_of_line)
   Call: (250) [system] 'M'=end_of_file
   Fail: (250) [system] 'M'=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _796334)
   Call: (251) [system] get_char((0x558d99e6bec0), _797264)
   Exit: (251) [system] get_char((0x558d99e6bec0), ')')
   Call: (251) [system] char_type(')', end_of_line)
   Fail: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] ')'=end_of_file
   Fail: (251) [system] ')'=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _802834)
   Call: (252) [system] get_char((0x558d99e6bec0), _803764)
   Exit: (252) [system] get_char((0x558d99e6bec0), ' ')
   Call: (252) [system] char_type(' ', end_of_line)
   Fail: (252) [system] char_type(' ', end_of_line)
   Call: (252) [system] ' '=end_of_file
   Fail: (252) [system] ' '=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _809334)
   Call: (253) [system] get_char((0x558d99e6bec0), _810264)
   Exit: (253) [system] get_char((0x558d99e6bec0), '(')
   Call: (253) [system] char_type('(', end_of_line)
   Fail: (253) [system] char_type('(', end_of_line)
   Call: (253) [system] '('=end_of_file
   Fail: (253) [system] '('=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _815834)
   Call: (254) [system] get_char((0x558d99e6bec0), _816764)
   Exit: (254) [system] get_char((0x558d99e6bec0), 'I')
   Call: (254) [system] char_type('I', end_of_line)
   Fail: (254) [system] char_type('I', end_of_line)
   Call: (254) [system] 'I'=end_of_file
   Fail: (254) [system] 'I'=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _822334)
   Call: (255) [system] get_char((0x558d99e6bec0), _823264)
   Exit: (255) [system] get_char((0x558d99e6bec0), n)
   Call: (255) [system] char_type(n, end_of_line)
   Fail: (255) [system] char_type(n, end_of_line)
   Call: (255) [system] n=end_of_file
   Fail: (255) [system] n=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _828834)
   Call: (256) [system] get_char((0x558d99e6bec0), _829764)
   Exit: (256) [system] get_char((0x558d99e6bec0), h)
   Call: (256) [system] char_type(h, end_of_line)
   Fail: (256) [system] char_type(h, end_of_line)
   Call: (256) [system] h=end_of_file
   Fail: (256) [system] h=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _835334)
   Call: (257) [system] get_char((0x558d99e6bec0), _836264)
   Exit: (257) [system] get_char((0x558d99e6bec0), e)
   Call: (257) [system] char_type(e, end_of_line)
   Fail: (257) [system] char_type(e, end_of_line)
   Call: (257) [system] e=end_of_file
   Fail: (257) [system] e=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _841834)
   Call: (258) [system] get_char((0x558d99e6bec0), _842764)
   Exit: (258) [system] get_char((0x558d99e6bec0), r)
   Call: (258) [system] char_type(r, end_of_line)
   Fail: (258) [system] char_type(r, end_of_line)
   Call: (258) [system] r=end_of_file
   Fail: (258) [system] r=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _848334)
   Call: (259) [system] get_char((0x558d99e6bec0), _849264)
   Exit: (259) [system] get_char((0x558d99e6bec0), i)
   Call: (259) [system] char_type(i, end_of_line)
   Fail: (259) [system] char_type(i, end_of_line)
   Call: (259) [system] i=end_of_file
   Fail: (259) [system] i=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _854834)
   Call: (260) [system] get_char((0x558d99e6bec0), _855764)
   Exit: (260) [system] get_char((0x558d99e6bec0), t)
   Call: (260) [system] char_type(t, end_of_line)
   Fail: (260) [system] char_type(t, end_of_line)
   Call: (260) [system] t=end_of_file
   Fail: (260) [system] t=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _861334)
   Call: (261) [system] get_char((0x558d99e6bec0), _862264)
   Exit: (261) [system] get_char((0x558d99e6bec0), a)
   Call: (261) [system] char_type(a, end_of_line)
   Fail: (261) [system] char_type(a, end_of_line)
   Call: (261) [system] a=end_of_file
   Fail: (261) [system] a=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _867834)
   Call: (262) [system] get_char((0x558d99e6bec0), _868764)
   Exit: (262) [system] get_char((0x558d99e6bec0), n)
   Call: (262) [system] char_type(n, end_of_line)
   Fail: (262) [system] char_type(n, end_of_line)
   Call: (262) [system] n=end_of_file
   Fail: (262) [system] n=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _874334)
   Call: (263) [system] get_char((0x558d99e6bec0), _875264)
   Exit: (263) [system] get_char((0x558d99e6bec0), c)
   Call: (263) [system] char_type(c, end_of_line)
   Fail: (263) [system] char_type(c, end_of_line)
   Call: (263) [system] c=end_of_file
   Fail: (263) [system] c=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _880834)
   Call: (264) [system] get_char((0x558d99e6bec0), _881764)
   Exit: (264) [system] get_char((0x558d99e6bec0), e)
   Call: (264) [system] char_type(e, end_of_line)
   Fail: (264) [system] char_type(e, end_of_line)
   Call: (264) [system] e=end_of_file
   Fail: (264) [system] e=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _887334)
   Call: (265) [system] get_char((0x558d99e6bec0), _888264)
   Exit: (265) [system] get_char((0x558d99e6bec0), ' ')
   Call: (265) [system] char_type(' ', end_of_line)
   Fail: (265) [system] char_type(' ', end_of_line)
   Call: (265) [system] ' '=end_of_file
   Fail: (265) [system] ' '=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _893834)
   Call: (266) [system] get_char((0x558d99e6bec0), _894764)
   Exit: (266) [system] get_char((0x558d99e6bec0), $)
   Call: (266) [system] char_type($, end_of_line)
   Fail: (266) [system] char_type($, end_of_line)
   Call: (266) [system] ($)=end_of_file
   Fail: (266) [system] ($)=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _900334)
   Call: (267) [system] get_char((0x558d99e6bec0), _901264)
   Exit: (267) [system] get_char((0x558d99e6bec0), x)
   Call: (267) [system] char_type(x, end_of_line)
   Fail: (267) [system] char_type(x, end_of_line)
   Call: (267) [system] x=end_of_file
   Fail: (267) [system] x=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _906834)
   Call: (268) [system] get_char((0x558d99e6bec0), _907764)
   Exit: (268) [system] get_char((0x558d99e6bec0), ' ')
   Call: (268) [system] char_type(' ', end_of_line)
   Fail: (268) [system] char_type(' ', end_of_line)
   Call: (268) [system] ' '=end_of_file
   Fail: (268) [system] ' '=end_of_file
^  Call: (268) [user] read_until_eol((0x558d99e6bec0), _913334)
   Call: (269) [system] get_char((0x558d99e6bec0), _914264)
   Exit: (269) [system] get_char((0x558d99e6bec0), 'M')
   Call: (269) [system] char_type('M', end_of_line)
   Fail: (269) [system] char_type('M', end_of_line)
   Call: (269) [system] 'M'=end_of_file
   Fail: (269) [system] 'M'=end_of_file
^  Call: (269) [user] read_until_eol((0x558d99e6bec0), _919834)
   Call: (270) [system] get_char((0x558d99e6bec0), _920764)
   Exit: (270) [system] get_char((0x558d99e6bec0), a)
   Call: (270) [system] char_type(a, end_of_line)
   Fail: (270) [system] char_type(a, end_of_line)
   Call: (270) [system] a=end_of_file
   Fail: (270) [system] a=end_of_file
^  Call: (270) [user] read_until_eol((0x558d99e6bec0), _926334)
   Call: (271) [system] get_char((0x558d99e6bec0), _927264)
   Exit: (271) [system] get_char((0x558d99e6bec0), m)
   Call: (271) [system] char_type(m, end_of_line)
   Fail: (271) [system] char_type(m, end_of_line)
   Call: (271) [system] m=end_of_file
   Fail: (271) [system] m=end_of_file
^  Call: (271) [user] read_until_eol((0x558d99e6bec0), _932834)
   Call: (272) [system] get_char((0x558d99e6bec0), _933764)
   Exit: (272) [system] get_char((0x558d99e6bec0), m)
   Call: (272) [system] char_type(m, end_of_line)
   Fail: (272) [system] char_type(m, end_of_line)
   Call: (272) [system] m=end_of_file
   Fail: (272) [system] m=end_of_file
^  Call: (272) [user] read_until_eol((0x558d99e6bec0), _939334)
   Call: (273) [system] get_char((0x558d99e6bec0), _940264)
   Exit: (273) [system] get_char((0x558d99e6bec0), a)
   Call: (273) [system] char_type(a, end_of_line)
   Fail: (273) [system] char_type(a, end_of_line)
   Call: (273) [system] a=end_of_file
   Fail: (273) [system] a=end_of_file
^  Call: (273) [user] read_until_eol((0x558d99e6bec0), _945834)
   Call: (274) [system] get_char((0x558d99e6bec0), _946764)
   Exit: (274) [system] get_char((0x558d99e6bec0), l)
   Call: (274) [system] char_type(l, end_of_line)
   Fail: (274) [system] char_type(l, end_of_line)
   Call: (274) [system] l=end_of_file
   Fail: (274) [system] l=end_of_file
^  Call: (274) [user] read_until_eol((0x558d99e6bec0), _952334)
   Call: (275) [system] get_char((0x558d99e6bec0), _953264)
   Exit: (275) [system] get_char((0x558d99e6bec0), ')')
   Call: (275) [system] char_type(')', end_of_line)
   Fail: (275) [system] char_type(')', end_of_line)
   Call: (275) [system] ')'=end_of_file
   Fail: (275) [system] ')'=end_of_file
^  Call: (275) [user] read_until_eol((0x558d99e6bec0), _958834)
   Call: (276) [system] get_char((0x558d99e6bec0), _959764)
   Exit: (276) [system] get_char((0x558d99e6bec0), ')')
   Call: (276) [system] char_type(')', end_of_line)
   Fail: (276) [system] char_type(')', end_of_line)
   Call: (276) [system] ')'=end_of_file
   Fail: (276) [system] ')'=end_of_file
^  Call: (276) [user] read_until_eol((0x558d99e6bec0), _965334)
   Call: (277) [system] get_char((0x558d99e6bec0), _966264)
   Exit: (277) [system] get_char((0x558d99e6bec0), '\n')
   Call: (277) [system] char_type('\n', end_of_line)
   Exit: (277) [system] char_type('\n', end_of_line)
   Call: (277) [system] _965334=""
   Exit: (277) [system] ""=""
^  Exit: (276) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (276) [system] string_concat(')', "", _958834)
   Exit: (276) [system] string_concat(')', "", ")")
^  Exit: (275) [user] read_until_eol((0x558d99e6bec0), ")")
   Call: (275) [system] string_concat(')', ")", _952334)
   Exit: (275) [system] string_concat(')', ")", "))")
^  Exit: (274) [user] read_until_eol((0x558d99e6bec0), "))")
   Call: (274) [system] string_concat(l, "))", _945834)
   Exit: (274) [system] string_concat(l, "))", "l))")
^  Exit: (273) [user] read_until_eol((0x558d99e6bec0), "l))")
   Call: (273) [system] string_concat(a, "l))", _939334)
   Exit: (273) [system] string_concat(a, "l))", "al))")
^  Exit: (272) [user] read_until_eol((0x558d99e6bec0), "al))")
   Call: (272) [system] string_concat(m, "al))", _932834)
   Exit: (272) [system] string_concat(m, "al))", "mal))")
^  Exit: (271) [user] read_until_eol((0x558d99e6bec0), "mal))")
   Call: (271) [system] string_concat(m, "mal))", _926334)
   Exit: (271) [system] string_concat(m, "mal))", "mmal))")
^  Exit: (270) [user] read_until_eol((0x558d99e6bec0), "mmal))")
   Call: (270) [system] string_concat(a, "mmal))", _919834)
   Exit: (270) [system] string_concat(a, "mmal))", "ammal))")
^  Exit: (269) [user] read_until_eol((0x558d99e6bec0), "ammal))")
   Call: (269) [system] string_concat('M', "ammal))", _913334)
   Exit: (269) [system] string_concat('M', "ammal))", "Mammal))")
^  Exit: (268) [user] read_until_eol((0x558d99e6bec0), "Mammal))")
   Call: (268) [system] string_concat(' ', "Mammal))", _906834)
   Exit: (268) [system] string_concat(' ', "Mammal))", " Mammal))")
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), " Mammal))")
   Call: (267) [system] string_concat(x, " Mammal))", _900334)
   Exit: (267) [system] string_concat(x, " Mammal))", "x Mammal))")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), "x Mammal))")
   Call: (266) [system] string_concat($, "x Mammal))", _893834)
   Exit: (266) [system] string_concat($, "x Mammal))", "$x Mammal))")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "$x Mammal))")
   Call: (265) [system] string_concat(' ', "$x Mammal))", _887334)
   Exit: (265) [system] string_concat(' ', "$x Mammal))", " $x Mammal))")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), " $x Mammal))")
   Call: (264) [system] string_concat(e, " $x Mammal))", _880834)
   Exit: (264) [system] string_concat(e, " $x Mammal))", "e $x Mammal))")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "e $x Mammal))")
   Call: (263) [system] string_concat(c, "e $x Mammal))", _874334)
   Exit: (263) [system] string_concat(c, "e $x Mammal))", "ce $x Mammal))")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "ce $x Mammal))")
   Call: (262) [system] string_concat(n, "ce $x Mammal))", _867834)
   Exit: (262) [system] string_concat(n, "ce $x Mammal))", "nce $x Mammal))")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "nce $x Mammal))")
   Call: (261) [system] string_concat(a, "nce $x Mammal))", _861334)
   Exit: (261) [system] string_concat(a, "nce $x Mammal))", "ance $x Mammal))")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "ance $x Mammal))")
   Call: (260) [system] string_concat(t, "ance $x Mammal))", _854834)
   Exit: (260) [system] string_concat(t, "ance $x Mammal))", "tance $x Mammal))")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "tance $x Mammal))")
   Call: (259) [system] string_concat(i, "tance $x Mammal))", _848334)
   Exit: (259) [system] string_concat(i, "tance $x Mammal))", "itance $x Mammal))")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "itance $x Mammal))")
   Call: (258) [system] string_concat(r, "itance $x Mammal))", _841834)
   Exit: (258) [system] string_concat(r, "itance $x Mammal))", "ritance $x Mammal))")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "ritance $x Mammal))")
   Call: (257) [system] string_concat(e, "ritance $x Mammal))", _835334)
   Exit: (257) [system] string_concat(e, "ritance $x Mammal))", "eritance $x Mammal))")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "eritance $x Mammal))")
   Call: (256) [system] string_concat(h, "eritance $x Mammal))", _828834)
   Exit: (256) [system] string_concat(h, "eritance $x Mammal))", "heritance $x Mammal))")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "heritance $x Mammal))")
   Call: (255) [system] string_concat(n, "heritance $x Mammal))", _822334)
   Exit: (255) [system] string_concat(n, "heritance $x Mammal))", "nheritance $x Mammal))")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "nheritance $x Mammal))")
   Call: (254) [system] string_concat('I', "nheritance $x Mammal))", _815834)
   Exit: (254) [system] string_concat('I', "nheritance $x Mammal))", "Inheritance $x Mammal))")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "Inheritance $x Mammal))")
   Call: (253) [system] string_concat('(', "Inheritance $x Mammal))", _809334)
   Exit: (253) [system] string_concat('(', "Inheritance $x Mammal))", "(Inheritance $x Mammal))")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "(Inheritance $x Mammal))")
   Call: (252) [system] string_concat(' ', "(Inheritance $x Mammal))", _802834)
   Exit: (252) [system] string_concat(' ', "(Inheritance $x Mammal))", " (Inheritance $x Mammal))")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), " (Inheritance $x Mammal))")
   Call: (251) [system] string_concat(')', " (Inheritance $x Mammal))", _796334)
   Exit: (251) [system] string_concat(')', " (Inheritance $x Mammal))", ") (Inheritance $x Mammal))")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), ") (Inheritance $x Mammal))")
   Call: (250) [system] string_concat('M', ") (Inheritance $x Mammal))", _789834)
   Exit: (250) [system] string_concat('M', ") (Inheritance $x Mammal))", "M) (Inheritance $x Mammal))")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "M) (Inheritance $x Mammal))")
   Call: (249) [system] string_concat('O', "M) (Inheritance $x Mammal))", _783334)
   Exit: (249) [system] string_concat('O', "M) (Inheritance $x Mammal))", "OM) (Inheritance $x Mammal))")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "OM) (Inheritance $x Mammal))")
   Call: (248) [system] string_concat('I', "OM) (Inheritance $x Mammal))", _776834)
   Exit: (248) [system] string_concat('I', "OM) (Inheritance $x Mammal))", "IOM) (Inheritance $x Mammal))")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "IOM) (Inheritance $x Mammal))")
   Call: (247) [system] string_concat('X', "IOM) (Inheritance $x Mammal))", _770334)
   Exit: (247) [system] string_concat('X', "IOM) (Inheritance $x Mammal))", "XIOM) (Inheritance $x Mammal))")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "XIOM) (Inheritance $x Mammal))")
   Call: (246) [system] string_concat('A', "XIOM) (Inheritance $x Mammal))", _763834)
   Exit: (246) [system] string_concat('A', "XIOM) (Inheritance $x Mammal))", "AXIOM) (Inheritance $x Mammal))")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "AXIOM) (Inheritance $x Mammal))")
   Call: (245) [system] string_concat(' ', "AXIOM) (Inheritance $x Mammal))", _757334)
   Exit: (245) [system] string_concat(' ', "AXIOM) (Inheritance $x Mammal))", " AXIOM) (Inheritance $x Mammal))")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), " AXIOM) (Inheritance $x Mammal))")
   Call: (244) [system] string_concat(e, " AXIOM) (Inheritance $x Mammal))", _750834)
   Exit: (244) [system] string_concat(e, " AXIOM) (Inheritance $x Mammal))", "e AXIOM) (Inheritance $x Mammal))")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "e AXIOM) (Inheritance $x Mammal))")
   Call: (243) [system] string_concat(s, "e AXIOM) (Inheritance $x Mammal))", _744334)
   Exit: (243) [system] string_concat(s, "e AXIOM) (Inheritance $x Mammal))", "se AXIOM) (Inheritance $x Mammal))")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "se AXIOM) (Inheritance $x Mammal))")
   Call: (242) [system] string_concat(i, "se AXIOM) (Inheritance $x Mammal))", _737834)
   Exit: (242) [system] string_concat(i, "se AXIOM) (Inheritance $x Mammal))", "ise AXIOM) (Inheritance $x Mammal))")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "ise AXIOM) (Inheritance $x Mammal))")
   Call: (241) [system] string_concat(m, "ise AXIOM) (Inheritance $x Mammal))", _731334)
   Exit: (241) [system] string_concat(m, "ise AXIOM) (Inheritance $x Mammal))", "mise AXIOM) (Inheritance $x Mammal))")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "mise AXIOM) (Inheritance $x Mammal))")
   Call: (240) [system] string_concat(e, "mise AXIOM) (Inheritance $x Mammal))", _724834)
   Exit: (240) [system] string_concat(e, "mise AXIOM) (Inheritance $x Mammal))", "emise AXIOM) (Inheritance $x Mammal))")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "emise AXIOM) (Inheritance $x Mammal))")
   Call: (239) [system] string_concat(r, "emise AXIOM) (Inheritance $x Mammal))", _718334)
   Exit: (239) [system] string_concat(r, "emise AXIOM) (Inheritance $x Mammal))", "remise AXIOM) (Inheritance $x Mammal))")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "remise AXIOM) (Inheritance $x Mammal))")
   Call: (238) [system] string_concat(p, "remise AXIOM) (Inheritance $x Mammal))", _711834)
   Exit: (238) [system] string_concat(p, "remise AXIOM) (Inheritance $x Mammal))", "premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "premise AXIOM) (Inheritance $x Mammal))")
   Call: (237) [system] string_concat($, "premise AXIOM) (Inheritance $x Mammal))", _705334)
   Exit: (237) [system] string_concat($, "premise AXIOM) (Inheritance $x Mammal))", "$premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "$premise AXIOM) (Inheritance $x Mammal))")
   Call: (236) [system] string_concat(' ', "$premise AXIOM) (Inheritance $x Mammal))", _698834)
   Exit: (236) [system] string_concat(' ', "$premise AXIOM) (Inheritance $x Mammal))", " $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), " $premise AXIOM) (Inheritance $x Mammal))")
   Call: (235) [system] string_concat(e, " $premise AXIOM) (Inheritance $x Mammal))", _692334)
   Exit: (235) [system] string_concat(e, " $premise AXIOM) (Inheritance $x Mammal))", "e $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "e $premise AXIOM) (Inheritance $x Mammal))")
   Call: (234) [system] string_concat(l, "e $premise AXIOM) (Inheritance $x Mammal))", _685834)
   Exit: (234) [system] string_concat(l, "e $premise AXIOM) (Inheritance $x Mammal))", "le $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "le $premise AXIOM) (Inheritance $x Mammal))")
   Call: (233) [system] string_concat(u, "le $premise AXIOM) (Inheritance $x Mammal))", _679334)
   Exit: (233) [system] string_concat(u, "le $premise AXIOM) (Inheritance $x Mammal))", "ule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "ule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (232) [system] string_concat(r, "ule $premise AXIOM) (Inheritance $x Mammal))", _672834)
   Exit: (232) [system] string_concat(r, "ule $premise AXIOM) (Inheritance $x Mammal))", "rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (231) [system] string_concat($, "rule $premise AXIOM) (Inheritance $x Mammal))", _666334)
   Exit: (231) [system] string_concat($, "rule $premise AXIOM) (Inheritance $x Mammal))", "$rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "$rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (230) [system] string_concat('(', "$rule $premise AXIOM) (Inheritance $x Mammal))", _659834)
   Exit: (230) [system] string_concat('(', "$rule $premise AXIOM) (Inheritance $x Mammal))", "($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (229) [system] string_concat(' ', "($rule $premise AXIOM) (Inheritance $x Mammal))", _653334)
   Exit: (229) [system] string_concat(' ', "($rule $premise AXIOM) (Inheritance $x Mammal))", " ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), " ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (228) [system] string_concat(:, " ($rule $premise AXIOM) (Inheritance $x Mammal))", _646834)
   Exit: (228) [system] string_concat(:, " ($rule $premise AXIOM) (Inheritance $x Mammal))", ": ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), ": ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (227) [system] string_concat('(', ": ($rule $premise AXIOM) (Inheritance $x Mammal))", _640334)
   Exit: (227) [system] string_concat('(', ": ($rule $premise AXIOM) (Inheritance $x Mammal))", "(: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "(: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (226) [system] string_concat(' ', "(: ($rule $premise AXIOM) (Inheritance $x Mammal))", _633834)
   Exit: (226) [system] string_concat(' ', "(: ($rule $premise AXIOM) (Inheritance $x Mammal))", " (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), " (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (225) [system] string_concat(:, " (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _627334)
   Exit: (225) [system] string_concat(:, " (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (224) [system] string_concat(g, ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _620834)
   Exit: (224) [system] string_concat(g, ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (223) [system] string_concat(n, "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _614334)
   Exit: (223) [system] string_concat(n, "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (222) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _607834)
   Exit: (222) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (221) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _601334)
   Exit: (221) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (220) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _594834)
   Exit: (220) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (219) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _588334)
   Exit: (219) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (218) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _581834)
   Exit: (218) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (217) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _575334)
   Exit: (217) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (216) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _568834)
   Exit: (216) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (215) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _562334)
   Exit: (215) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (214) [system] string_concat(e, "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _555834)
   Exit: (214) [system] string_concat(e, "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (213) [system] string_concat(x, "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _549334)
   Exit: (213) [system] string_concat(x, "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (212) [system] string_concat(i, "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _542834)
   Exit: (212) [system] string_concat(i, "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (211) [system] string_concat('M', "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _536334)
   Exit: (211) [system] string_concat('M', "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (210) [system] string_concat(' ', "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _529834)
   Exit: (210) [system] string_concat(' ', "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (209) [system] string_concat('.', " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _523334)
   Exit: (209) [system] string_concat('.', " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (208) [system] string_concat('3', ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _516834)
   Exit: (208) [system] string_concat('3', ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (207) [system] string_concat(' ', "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _510334)
   Exit: (207) [system] string_concat(' ', "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (206) [system] string_concat(' ', " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _503834)
   Exit: (206) [system] string_concat(' ', " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (205) [system] string_concat(' ', "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _497334)
   Exit: (205) [system] string_concat(' ', "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (204) [system] string_concat(' ', "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _490834)
   Exit: (204) [system] string_concat(' ', "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (203) [system] string_concat(' ', "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _484334)
   Exit: (203) [system] string_concat(' ', "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (202) [system] string_concat(' ', "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _477834)
   Exit: (202) [system] string_concat(' ', "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (201) [system] string_concat(' ', "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _471334)
   Exit: (201) [system] string_concat(' ', "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (200) [system] string_concat(' ', "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _464834)
   Exit: (200) [system] string_concat(' ', "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (199) [system] string_concat(' ', "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _458334)
   Exit: (199) [system] string_concat(' ', "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (198) [system] string_concat(;, "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _451834)
   Exit: (198) [system] string_concat(;, "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (197) [system] string_concat(;, ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _445334)
   Exit: (197) [system] string_concat(;, ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Call: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (195) [user] read_comment((0x558d99e6bec0))
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1201096)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ;)
   Call: (196) [system] (;)=(;)
   Exit: (196) [system] (;)=(;)
^  Call: (196) [user] read_comment((0x558d99e6bec0))
^  Call: (197) [user] read_position((0x558d99e6bec0), _1205734, _1205736, _1205738, _1205740)
   Call: (198) [system] stream_property((0x558d99e6bec0), position(_1205740))
   Call: (199) [system] nonvar((0x558d99e6bec0))
   Exit: (199) [system] nonvar((0x558d99e6bec0))
   Call: (199) [system] nonvar(position(_1205740))
   Exit: (199) [system] nonvar(position(_1205740))
   Exit: (198) [system] stream_property((0x558d99e6bec0), position('$stream_position'(933, 31, 0, 933)))
   Call: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), _1205734)
   Call: (199) [system] nonvar(line_count)
   Exit: (199) [system] nonvar(line_count)
   Call: (199) [$syspreds] stream_position_field(line_count, _1215028)
   Exit: (199) [$syspreds] stream_position_field(line_count, 2)
   Call: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), _1205734)
   Exit: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), 31)
   Exit: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), 31)
   Call: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), _1205736)
   Call: (199) [system] nonvar(line_position)
   Exit: (199) [system] nonvar(line_position)
   Call: (199) [$syspreds] stream_position_field(line_position, _1222462)
   Exit: (199) [$syspreds] stream_position_field(line_position, 3)
   Call: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), _1205736)
   Exit: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), 0)
   Exit: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), 0)
   Call: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), _1205738)
   Call: (199) [system] nonvar(char_count)
   Exit: (199) [system] nonvar(char_count)
   Call: (199) [$syspreds] stream_position_field(char_count, _1229896)
   Exit: (199) [$syspreds] stream_position_field(char_count, 1)
   Call: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), _1205738)
   Exit: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), 933)
   Exit: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), 933)
^  Exit: (197) [user] read_position((0x558d99e6bec0), 31, 0, 933, '$stream_position'(933, 31, 0, 933))
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1235490)
   Call: (198) [system] get_char((0x558d99e6bec0), _1236420)
   Exit: (198) [system] get_char((0x558d99e6bec0), ;)
   Call: (198) [system] char_type(;, end_of_line)
   Fail: (198) [system] char_type(;, end_of_line)
   Call: (198) [system] (;)=end_of_file
   Fail: (198) [system] (;)=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1241990)
   Call: (199) [system] get_char((0x558d99e6bec0), _1242920)
   Exit: (199) [system] get_char((0x558d99e6bec0), ;)
   Call: (199) [system] char_type(;, end_of_line)
   Fail: (199) [system] char_type(;, end_of_line)
   Call: (199) [system] (;)=end_of_file
   Fail: (199) [system] (;)=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1248490)
   Call: (200) [system] get_char((0x558d99e6bec0), _1249420)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Fail: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
   Fail: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1254990)
   Call: (201) [system] get_char((0x558d99e6bec0), _1255920)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1261490)
   Call: (202) [system] get_char((0x558d99e6bec0), _1262420)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1267990)
   Call: (203) [system] get_char((0x558d99e6bec0), _1268920)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1274490)
   Call: (204) [system] get_char((0x558d99e6bec0), _1275420)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Fail: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
   Fail: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1280990)
   Call: (205) [system] get_char((0x558d99e6bec0), _1281920)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1287490)
   Call: (206) [system] get_char((0x558d99e6bec0), _1288420)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Fail: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
   Fail: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1293990)
   Call: (207) [system] get_char((0x558d99e6bec0), _1294920)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1300490)
   Call: (208) [system] get_char((0x558d99e6bec0), _1301420)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Fail: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
   Fail: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1306990)
   Call: (209) [system] get_char((0x558d99e6bec0), _1307920)
   Exit: (209) [system] get_char((0x558d99e6bec0), '4')
   Call: (209) [system] char_type('4', end_of_line)
   Fail: (209) [system] char_type('4', end_of_line)
   Call: (209) [system] '4'=end_of_file
   Fail: (209) [system] '4'=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1313490)
   Call: (210) [system] get_char((0x558d99e6bec0), _1314420)
   Exit: (210) [system] get_char((0x558d99e6bec0), '.')
   Call: (210) [system] char_type('.', end_of_line)
   Fail: (210) [system] char_type('.', end_of_line)
   Call: (210) [system] ('.')=end_of_file
   Fail: (210) [system] ('.')=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1319990)
   Call: (211) [system] get_char((0x558d99e6bec0), _1320920)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Fail: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
   Fail: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1326490)
   Call: (212) [system] get_char((0x558d99e6bec0), _1327420)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'T')
   Call: (212) [system] char_type('T', end_of_line)
   Fail: (212) [system] char_type('T', end_of_line)
   Call: (212) [system] 'T'=end_of_file
   Fail: (212) [system] 'T'=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1332990)
   Call: (213) [system] get_char((0x558d99e6bec0), _1333920)
   Exit: (213) [system] get_char((0x558d99e6bec0), y)
   Call: (213) [system] char_type(y, end_of_line)
   Fail: (213) [system] char_type(y, end_of_line)
   Call: (213) [system] y=end_of_file
   Fail: (213) [system] y=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1339490)
   Call: (214) [system] get_char((0x558d99e6bec0), _1340420)
   Exit: (214) [system] get_char((0x558d99e6bec0), p)
   Call: (214) [system] char_type(p, end_of_line)
   Fail: (214) [system] char_type(p, end_of_line)
   Call: (214) [system] p=end_of_file
   Fail: (214) [system] p=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1345990)
   Call: (215) [system] get_char((0x558d99e6bec0), _1346920)
   Exit: (215) [system] get_char((0x558d99e6bec0), e)
   Call: (215) [system] char_type(e, end_of_line)
   Fail: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
   Fail: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1352490)
   Call: (216) [system] get_char((0x558d99e6bec0), _1353420)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Fail: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
   Fail: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1358990)
   Call: (217) [system] get_char((0x558d99e6bec0), _1359920)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1365490)
   Call: (218) [system] get_char((0x558d99e6bec0), _1366420)
   Exit: (218) [system] get_char((0x558d99e6bec0), h)
   Call: (218) [system] char_type(h, end_of_line)
   Fail: (218) [system] char_type(h, end_of_line)
   Call: (218) [system] h=end_of_file
   Fail: (218) [system] h=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1371990)
   Call: (219) [system] get_char((0x558d99e6bec0), _1372920)
   Exit: (219) [system] get_char((0x558d99e6bec0), e)
   Call: (219) [system] char_type(e, end_of_line)
   Fail: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
   Fail: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1378490)
   Call: (220) [system] get_char((0x558d99e6bec0), _1379420)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1384990)
   Call: (221) [system] get_char((0x558d99e6bec0), _1385920)
   Exit: (221) [system] get_char((0x558d99e6bec0), k)
   Call: (221) [system] char_type(k, end_of_line)
   Fail: (221) [system] char_type(k, end_of_line)
   Call: (221) [system] k=end_of_file
   Fail: (221) [system] k=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1391490)
   Call: (222) [system] get_char((0x558d99e6bec0), _1392420)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] char_type(i, end_of_line)
   Fail: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
   Fail: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1397990)
   Call: (223) [system] get_char((0x558d99e6bec0), _1398920)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] char_type(n, end_of_line)
   Fail: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
   Fail: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1404490)
   Call: (224) [system] get_char((0x558d99e6bec0), _1405420)
   Exit: (224) [system] get_char((0x558d99e6bec0), g)
   Call: (224) [system] char_type(g, end_of_line)
   Fail: (224) [system] char_type(g, end_of_line)
   Call: (224) [system] g=end_of_file
   Fail: (224) [system] g=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1410990)
   Call: (225) [system] get_char((0x558d99e6bec0), _1411920)
   Exit: (225) [system] get_char((0x558d99e6bec0), :)
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1417490)
   Call: (226) [system] get_char((0x558d99e6bec0), _1418420)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
   Call: (226) [system] char_type(' ', end_of_line)
   Fail: (226) [system] char_type(' ', end_of_line)
   Call: (226) [system] ' '=end_of_file
   Fail: (226) [system] ' '=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1423990)
   Call: (227) [system] get_char((0x558d99e6bec0), _1424920)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1430490)
   Call: (228) [system] get_char((0x558d99e6bec0), _1431420)
   Exit: (228) [system] get_char((0x558d99e6bec0), :)
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] (:)=end_of_file
   Fail: (228) [system] (:)=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1436990)
   Call: (229) [system] get_char((0x558d99e6bec0), _1437920)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
   Call: (229) [system] char_type(' ', end_of_line)
   Fail: (229) [system] char_type(' ', end_of_line)
   Call: (229) [system] ' '=end_of_file
   Fail: (229) [system] ' '=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1443490)
   Call: (230) [system] get_char((0x558d99e6bec0), _1444420)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'T')
   Call: (230) [system] char_type('T', end_of_line)
   Fail: (230) [system] char_type('T', end_of_line)
   Call: (230) [system] 'T'=end_of_file
   Fail: (230) [system] 'T'=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1449990)
   Call: (231) [system] get_char((0x558d99e6bec0), _1450920)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'E')
   Call: (231) [system] char_type('E', end_of_line)
   Fail: (231) [system] char_type('E', end_of_line)
   Call: (231) [system] 'E'=end_of_file
   Fail: (231) [system] 'E'=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1456490)
   Call: (232) [system] get_char((0x558d99e6bec0), _1457420)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'R')
   Call: (232) [system] char_type('R', end_of_line)
   Fail: (232) [system] char_type('R', end_of_line)
   Call: (232) [system] 'R'=end_of_file
   Fail: (232) [system] 'R'=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1462990)
   Call: (233) [system] get_char((0x558d99e6bec0), _1463920)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'M')
   Call: (233) [system] char_type('M', end_of_line)
   Fail: (233) [system] char_type('M', end_of_line)
   Call: (233) [system] 'M'=end_of_file
   Fail: (233) [system] 'M'=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1469490)
   Call: (234) [system] get_char((0x558d99e6bec0), _1470420)
   Exit: (234) [system] get_char((0x558d99e6bec0), ' ')
   Call: (234) [system] char_type(' ', end_of_line)
   Fail: (234) [system] char_type(' ', end_of_line)
   Call: (234) [system] ' '=end_of_file
   Fail: (234) [system] ' '=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1475990)
   Call: (235) [system] get_char((0x558d99e6bec0), _1476920)
   Exit: (235) [system] get_char((0x558d99e6bec0), 'T')
   Call: (235) [system] char_type('T', end_of_line)
   Fail: (235) [system] char_type('T', end_of_line)
   Call: (235) [system] 'T'=end_of_file
   Fail: (235) [system] 'T'=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1482490)
   Call: (236) [system] get_char((0x558d99e6bec0), _1483420)
   Exit: (236) [system] get_char((0x558d99e6bec0), 'Y')
   Call: (236) [system] char_type('Y', end_of_line)
   Fail: (236) [system] char_type('Y', end_of_line)
   Call: (236) [system] 'Y'=end_of_file
   Fail: (236) [system] 'Y'=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1488990)
   Call: (237) [system] get_char((0x558d99e6bec0), _1489920)
   Exit: (237) [system] get_char((0x558d99e6bec0), 'P')
   Call: (237) [system] char_type('P', end_of_line)
   Fail: (237) [system] char_type('P', end_of_line)
   Call: (237) [system] 'P'=end_of_file
   Fail: (237) [system] 'P'=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1495490)
   Call: (238) [system] get_char((0x558d99e6bec0), _1496420)
   Exit: (238) [system] get_char((0x558d99e6bec0), 'E')
   Call: (238) [system] char_type('E', end_of_line)
   Fail: (238) [system] char_type('E', end_of_line)
   Call: (238) [system] 'E'=end_of_file
   Fail: (238) [system] 'E'=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1501990)
   Call: (239) [system] get_char((0x558d99e6bec0), _1502920)
   Exit: (239) [system] get_char((0x558d99e6bec0), ')')
   Call: (239) [system] char_type(')', end_of_line)
   Fail: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] ')'=end_of_file
   Fail: (239) [system] ')'=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1508490)
   Call: (240) [system] get_char((0x558d99e6bec0), _1509420)
   Exit: (240) [system] get_char((0x558d99e6bec0), '\n')
   Call: (240) [system] char_type('\n', end_of_line)
   Exit: (240) [system] char_type('\n', end_of_line)
   Call: (240) [system] _1508490=""
   Exit: (240) [system] ""=""
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (239) [system] string_concat(')', "", _1501990)
   Exit: (239) [system] string_concat(')', "", ")")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), ")")
   Call: (238) [system] string_concat('E', ")", _1495490)
   Exit: (238) [system] string_concat('E', ")", "E)")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "E)")
   Call: (237) [system] string_concat('P', "E)", _1488990)
   Exit: (237) [system] string_concat('P', "E)", "PE)")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "PE)")
   Call: (236) [system] string_concat('Y', "PE)", _1482490)
   Exit: (236) [system] string_concat('Y', "PE)", "YPE)")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "YPE)")
   Call: (235) [system] string_concat('T', "YPE)", _1475990)
   Exit: (235) [system] string_concat('T', "YPE)", "TYPE)")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "TYPE)")
   Call: (234) [system] string_concat(' ', "TYPE)", _1469490)
   Exit: (234) [system] string_concat(' ', "TYPE)", " TYPE)")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), " TYPE)")
   Call: (233) [system] string_concat('M', " TYPE)", _1462990)
   Exit: (233) [system] string_concat('M', " TYPE)", "M TYPE)")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "M TYPE)")
   Call: (232) [system] string_concat('R', "M TYPE)", _1456490)
   Exit: (232) [system] string_concat('R', "M TYPE)", "RM TYPE)")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "RM TYPE)")
   Call: (231) [system] string_concat('E', "RM TYPE)", _1449990)
   Exit: (231) [system] string_concat('E', "RM TYPE)", "ERM TYPE)")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "ERM TYPE)")
   Call: (230) [system] string_concat('T', "ERM TYPE)", _1443490)
   Exit: (230) [system] string_concat('T', "ERM TYPE)", "TERM TYPE)")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "TERM TYPE)")
   Call: (229) [system] string_concat(' ', "TERM TYPE)", _1436990)
   Exit: (229) [system] string_concat(' ', "TERM TYPE)", " TERM TYPE)")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), " TERM TYPE)")
   Call: (228) [system] string_concat(:, " TERM TYPE)", _1430490)
   Exit: (228) [system] string_concat(:, " TERM TYPE)", ": TERM TYPE)")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), ": TERM TYPE)")
   Call: (227) [system] string_concat('(', ": TERM TYPE)", _1423990)
   Exit: (227) [system] string_concat('(', ": TERM TYPE)", "(: TERM TYPE)")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "(: TERM TYPE)")
   Call: (226) [system] string_concat(' ', "(: TERM TYPE)", _1417490)
   Exit: (226) [system] string_concat(' ', "(: TERM TYPE)", " (: TERM TYPE)")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), " (: TERM TYPE)")
   Call: (225) [system] string_concat(:, " (: TERM TYPE)", _1410990)
   Exit: (225) [system] string_concat(:, " (: TERM TYPE)", ": (: TERM TYPE)")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), ": (: TERM TYPE)")
   Call: (224) [system] string_concat(g, ": (: TERM TYPE)", _1404490)
   Exit: (224) [system] string_concat(g, ": (: TERM TYPE)", "g: (: TERM TYPE)")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "g: (: TERM TYPE)")
   Call: (223) [system] string_concat(n, "g: (: TERM TYPE)", _1397990)
   Exit: (223) [system] string_concat(n, "g: (: TERM TYPE)", "ng: (: TERM TYPE)")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ng: (: TERM TYPE)")
   Call: (222) [system] string_concat(i, "ng: (: TERM TYPE)", _1391490)
   Exit: (222) [system] string_concat(i, "ng: (: TERM TYPE)", "ing: (: TERM TYPE)")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "ing: (: TERM TYPE)")
   Call: (221) [system] string_concat(k, "ing: (: TERM TYPE)", _1384990)
   Exit: (221) [system] string_concat(k, "ing: (: TERM TYPE)", "king: (: TERM TYPE)")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "king: (: TERM TYPE)")
   Call: (220) [system] string_concat(c, "king: (: TERM TYPE)", _1378490)
   Exit: (220) [system] string_concat(c, "king: (: TERM TYPE)", "cking: (: TERM TYPE)")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "cking: (: TERM TYPE)")
   Call: (219) [system] string_concat(e, "cking: (: TERM TYPE)", _1371990)
   Exit: (219) [system] string_concat(e, "cking: (: TERM TYPE)", "ecking: (: TERM TYPE)")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "ecking: (: TERM TYPE)")
   Call: (218) [system] string_concat(h, "ecking: (: TERM TYPE)", _1365490)
   Exit: (218) [system] string_concat(h, "ecking: (: TERM TYPE)", "hecking: (: TERM TYPE)")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "hecking: (: TERM TYPE)")
   Call: (217) [system] string_concat(c, "hecking: (: TERM TYPE)", _1358990)
   Exit: (217) [system] string_concat(c, "hecking: (: TERM TYPE)", "checking: (: TERM TYPE)")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "checking: (: TERM TYPE)")
   Call: (216) [system] string_concat(' ', "checking: (: TERM TYPE)", _1352490)
   Exit: (216) [system] string_concat(' ', "checking: (: TERM TYPE)", " checking: (: TERM TYPE)")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), " checking: (: TERM TYPE)")
   Call: (215) [system] string_concat(e, " checking: (: TERM TYPE)", _1345990)
   Exit: (215) [system] string_concat(e, " checking: (: TERM TYPE)", "e checking: (: TERM TYPE)")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "e checking: (: TERM TYPE)")
   Call: (214) [system] string_concat(p, "e checking: (: TERM TYPE)", _1339490)
   Exit: (214) [system] string_concat(p, "e checking: (: TERM TYPE)", "pe checking: (: TERM TYPE)")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "pe checking: (: TERM TYPE)")
   Call: (213) [system] string_concat(y, "pe checking: (: TERM TYPE)", _1332990)
   Exit: (213) [system] string_concat(y, "pe checking: (: TERM TYPE)", "ype checking: (: TERM TYPE)")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "ype checking: (: TERM TYPE)")
   Call: (212) [system] string_concat('T', "ype checking: (: TERM TYPE)", _1326490)
   Exit: (212) [system] string_concat('T', "ype checking: (: TERM TYPE)", "Type checking: (: TERM TYPE)")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "Type checking: (: TERM TYPE)")
   Call: (211) [system] string_concat(' ', "Type checking: (: TERM TYPE)", _1319990)
   Exit: (211) [system] string_concat(' ', "Type checking: (: TERM TYPE)", " Type checking: (: TERM TYPE)")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), " Type checking: (: TERM TYPE)")
   Call: (210) [system] string_concat('.', " Type checking: (: TERM TYPE)", _1313490)
   Exit: (210) [system] string_concat('.', " Type checking: (: TERM TYPE)", ". Type checking: (: TERM TYPE)")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), ". Type checking: (: TERM TYPE)")
   Call: (209) [system] string_concat('4', ". Type checking: (: TERM TYPE)", _1306990)
   Exit: (209) [system] string_concat('4', ". Type checking: (: TERM TYPE)", "4. Type checking: (: TERM TYPE)")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "4. Type checking: (: TERM TYPE)")
   Call: (208) [system] string_concat(' ', "4. Type checking: (: TERM TYPE)", _1300490)
   Exit: (208) [system] string_concat(' ', "4. Type checking: (: TERM TYPE)", " 4. Type checking: (: TERM TYPE)")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), " 4. Type checking: (: TERM TYPE)")
   Call: (207) [system] string_concat(' ', " 4. Type checking: (: TERM TYPE)", _1293990)
   Exit: (207) [system] string_concat(' ', " 4. Type checking: (: TERM TYPE)", "  4. Type checking: (: TERM TYPE)")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "  4. Type checking: (: TERM TYPE)")
   Call: (206) [system] string_concat(' ', "  4. Type checking: (: TERM TYPE)", _1287490)
   Exit: (206) [system] string_concat(' ', "  4. Type checking: (: TERM TYPE)", "   4. Type checking: (: TERM TYPE)")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "   4. Type checking: (: TERM TYPE)")
   Call: (205) [system] string_concat(' ', "   4. Type checking: (: TERM TYPE)", _1280990)
   Exit: (205) [system] string_concat(' ', "   4. Type checking: (: TERM TYPE)", "    4. Type checking: (: TERM TYPE)")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "    4. Type checking: (: TERM TYPE)")
   Call: (204) [system] string_concat(' ', "    4. Type checking: (: TERM TYPE)", _1274490)
   Exit: (204) [system] string_concat(' ', "    4. Type checking: (: TERM TYPE)", "     4. Type checking: (: TERM TYPE)")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "     4. Type checking: (: TERM TYPE)")
   Call: (203) [system] string_concat(' ', "     4. Type checking: (: TERM TYPE)", _1267990)
   Exit: (203) [system] string_concat(' ', "     4. Type checking: (: TERM TYPE)", "      4. Type checking: (: TERM TYPE)")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "      4. Type checking: (: TERM TYPE)")
   Call: (202) [system] string_concat(' ', "      4. Type checking: (: TERM TYPE)", _1261490)
   Exit: (202) [system] string_concat(' ', "      4. Type checking: (: TERM TYPE)", "       4. Type checking: (: TERM TYPE)")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "       4. Type checking: (: TERM TYPE)")
   Call: (201) [system] string_concat(' ', "       4. Type checking: (: TERM TYPE)", _1254990)
   Exit: (201) [system] string_concat(' ', "       4. Type checking: (: TERM TYPE)", "        4. Type checking: (: TERM TYPE)")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "        4. Type checking: (: TERM TYPE)")
   Call: (200) [system] string_concat(' ', "        4. Type checking: (: TERM TYPE)", _1248490)
   Exit: (200) [system] string_concat(' ', "        4. Type checking: (: TERM TYPE)", "         4. Type checking: (: TERM TYPE)")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "         4. Type checking: (: TERM TYPE)")
   Call: (199) [system] string_concat(;, "         4. Type checking: (: TERM TYPE)", _1241990)
   Exit: (199) [system] string_concat(;, "         4. Type checking: (: TERM TYPE)", ";         4. Type checking: (: TERM TYPE)")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), ";         4. Type checking: (: TERM TYPE)")
   Call: (198) [system] string_concat(;, ";         4. Type checking: (: TERM TYPE)", _1235490)
   Exit: (198) [system] string_concat(;, ";         4. Type checking: (: TERM TYPE)", ";;         4. Type checking: (: TERM TYPE)")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), ";;         4. Type checking: (: TERM TYPE)")
^  Call: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (196) [user] read_comment((0x558d99e6bec0))
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1637368)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ;)
   Call: (197) [system] (;)=(;)
   Exit: (197) [system] (;)=(;)
^  Call: (197) [user] read_comment((0x558d99e6bec0))
^  Call: (198) [user] read_position((0x558d99e6bec0), _1642006, _1642008, _1642010, _1642012)
   Call: (199) [system] stream_property((0x558d99e6bec0), position(_1642012))
   Call: (200) [system] nonvar((0x558d99e6bec0))
   Exit: (200) [system] nonvar((0x558d99e6bec0))
   Call: (200) [system] nonvar(position(_1642012))
   Exit: (200) [system] nonvar(position(_1642012))
   Exit: (199) [system] stream_property((0x558d99e6bec0), position('$stream_position'(976, 32, 0, 976)))
   Call: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), _1642006)
   Call: (200) [system] nonvar(line_count)
   Exit: (200) [system] nonvar(line_count)
   Call: (200) [$syspreds] stream_position_field(line_count, _1651300)
   Exit: (200) [$syspreds] stream_position_field(line_count, 2)
   Call: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), _1642006)
   Exit: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), 32)
   Exit: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), 32)
   Call: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), _1642008)
   Call: (200) [system] nonvar(line_position)
   Exit: (200) [system] nonvar(line_position)
   Call: (200) [$syspreds] stream_position_field(line_position, _1658734)
   Exit: (200) [$syspreds] stream_position_field(line_position, 3)
   Call: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), _1642008)
   Exit: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), 0)
   Exit: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), 0)
   Call: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), _1642010)
   Call: (200) [system] nonvar(char_count)
   Exit: (200) [system] nonvar(char_count)
   Call: (200) [$syspreds] stream_position_field(char_count, _1666168)
   Exit: (200) [$syspreds] stream_position_field(char_count, 1)
   Call: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), _1642010)
   Exit: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), 976)
   Exit: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), 976)
^  Exit: (198) [user] read_position((0x558d99e6bec0), 32, 0, 976, '$stream_position'(976, 32, 0, 976))
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1671762)
   Call: (199) [system] get_char((0x558d99e6bec0), _1672692)
   Exit: (199) [system] get_char((0x558d99e6bec0), ;)
   Call: (199) [system] char_type(;, end_of_line)
   Fail: (199) [system] char_type(;, end_of_line)
   Call: (199) [system] (;)=end_of_file
   Fail: (199) [system] (;)=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1678262)
   Call: (200) [system] get_char((0x558d99e6bec0), _1679192)
   Exit: (200) [system] get_char((0x558d99e6bec0), ;)
   Call: (200) [system] char_type(;, end_of_line)
   Fail: (200) [system] char_type(;, end_of_line)
   Call: (200) [system] (;)=end_of_file
   Fail: (200) [system] (;)=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1684762)
   Call: (201) [system] get_char((0x558d99e6bec0), _1685692)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1691262)
   Call: (202) [system] get_char((0x558d99e6bec0), _1692192)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Fail: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
   Fail: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1697762)
   Call: (203) [system] get_char((0x558d99e6bec0), _1698692)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1704262)
   Call: (204) [system] get_char((0x558d99e6bec0), _1705192)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Fail: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
   Fail: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1710762)
   Call: (205) [system] get_char((0x558d99e6bec0), _1711692)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1717262)
   Call: (206) [system] get_char((0x558d99e6bec0), _1718192)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Fail: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
   Fail: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1723762)
   Call: (207) [system] get_char((0x558d99e6bec0), _1724692)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1730262)
   Call: (208) [system] get_char((0x558d99e6bec0), _1731192)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Fail: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
   Fail: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1736762)
   Call: (209) [system] get_char((0x558d99e6bec0), _1737692)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Fail: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
   Fail: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1743262)
   Call: (210) [system] get_char((0x558d99e6bec0), _1744192)
   Exit: (210) [system] get_char((0x558d99e6bec0), '5')
   Call: (210) [system] char_type('5', end_of_line)
   Fail: (210) [system] char_type('5', end_of_line)
   Call: (210) [system] '5'=end_of_file
   Fail: (210) [system] '5'=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1749762)
   Call: (211) [system] get_char((0x558d99e6bec0), _1750692)
   Exit: (211) [system] get_char((0x558d99e6bec0), '.')
   Call: (211) [system] char_type('.', end_of_line)
   Fail: (211) [system] char_type('.', end_of_line)
   Call: (211) [system] ('.')=end_of_file
   Fail: (211) [system] ('.')=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1756262)
   Call: (212) [system] get_char((0x558d99e6bec0), _1757192)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Fail: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
   Fail: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1762762)
   Call: (213) [system] get_char((0x558d99e6bec0), _1763692)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'T')
   Call: (213) [system] char_type('T', end_of_line)
   Fail: (213) [system] char_type('T', end_of_line)
   Call: (213) [system] 'T'=end_of_file
   Fail: (213) [system] 'T'=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1769262)
   Call: (214) [system] get_char((0x558d99e6bec0), _1770192)
   Exit: (214) [system] get_char((0x558d99e6bec0), y)
   Call: (214) [system] char_type(y, end_of_line)
   Fail: (214) [system] char_type(y, end_of_line)
   Call: (214) [system] y=end_of_file
   Fail: (214) [system] y=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1775762)
   Call: (215) [system] get_char((0x558d99e6bec0), _1776692)
   Exit: (215) [system] get_char((0x558d99e6bec0), p)
   Call: (215) [system] char_type(p, end_of_line)
   Fail: (215) [system] char_type(p, end_of_line)
   Call: (215) [system] p=end_of_file
   Fail: (215) [system] p=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1782262)
   Call: (216) [system] get_char((0x558d99e6bec0), _1783192)
   Exit: (216) [system] get_char((0x558d99e6bec0), e)
   Call: (216) [system] char_type(e, end_of_line)
   Fail: (216) [system] char_type(e, end_of_line)
   Call: (216) [system] e=end_of_file
   Fail: (216) [system] e=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1788762)
   Call: (217) [system] get_char((0x558d99e6bec0), _1789692)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Fail: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
   Fail: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1795262)
   Call: (218) [system] get_char((0x558d99e6bec0), _1796192)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] char_type(i, end_of_line)
   Fail: (218) [system] char_type(i, end_of_line)
   Call: (218) [system] i=end_of_file
   Fail: (218) [system] i=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1801762)
   Call: (219) [system] get_char((0x558d99e6bec0), _1802692)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] char_type(n, end_of_line)
   Fail: (219) [system] char_type(n, end_of_line)
   Call: (219) [system] n=end_of_file
   Fail: (219) [system] n=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1808262)
   Call: (220) [system] get_char((0x558d99e6bec0), _1809192)
   Exit: (220) [system] get_char((0x558d99e6bec0), f)
   Call: (220) [system] char_type(f, end_of_line)
   Fail: (220) [system] char_type(f, end_of_line)
   Call: (220) [system] f=end_of_file
   Fail: (220) [system] f=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1814762)
   Call: (221) [system] get_char((0x558d99e6bec0), _1815692)
   Exit: (221) [system] get_char((0x558d99e6bec0), e)
   Call: (221) [system] char_type(e, end_of_line)
   Fail: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
   Fail: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1821262)
   Call: (222) [system] get_char((0x558d99e6bec0), _1822192)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] char_type(r, end_of_line)
   Fail: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
   Fail: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1827762)
   Call: (223) [system] get_char((0x558d99e6bec0), _1828692)
   Exit: (223) [system] get_char((0x558d99e6bec0), e)
   Call: (223) [system] char_type(e, end_of_line)
   Fail: (223) [system] char_type(e, end_of_line)
   Call: (223) [system] e=end_of_file
   Fail: (223) [system] e=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1834262)
   Call: (224) [system] get_char((0x558d99e6bec0), _1835192)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] char_type(n, end_of_line)
   Fail: (224) [system] char_type(n, end_of_line)
   Call: (224) [system] n=end_of_file
   Fail: (224) [system] n=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1840762)
   Call: (225) [system] get_char((0x558d99e6bec0), _1841692)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1847262)
   Call: (226) [system] get_char((0x558d99e6bec0), _1848192)
   Exit: (226) [system] get_char((0x558d99e6bec0), e)
   Call: (226) [system] char_type(e, end_of_line)
   Fail: (226) [system] char_type(e, end_of_line)
   Call: (226) [system] e=end_of_file
   Fail: (226) [system] e=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1853762)
   Call: (227) [system] get_char((0x558d99e6bec0), _1854692)
   Exit: (227) [system] get_char((0x558d99e6bec0), :)
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] (:)=end_of_file
   Fail: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1860262)
   Call: (228) [system] get_char((0x558d99e6bec0), _1861192)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
   Call: (228) [system] char_type(' ', end_of_line)
   Fail: (228) [system] char_type(' ', end_of_line)
   Call: (228) [system] ' '=end_of_file
   Fail: (228) [system] ' '=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1866762)
   Call: (229) [system] get_char((0x558d99e6bec0), _1867692)
   Exit: (229) [system] get_char((0x558d99e6bec0), '(')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1873262)
   Call: (230) [system] get_char((0x558d99e6bec0), _1874192)
   Exit: (230) [system] get_char((0x558d99e6bec0), :)
   Call: (230) [system] char_type(:, end_of_line)
   Fail: (230) [system] char_type(:, end_of_line)
   Call: (230) [system] (:)=end_of_file
   Fail: (230) [system] (:)=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1879762)
   Call: (231) [system] get_char((0x558d99e6bec0), _1880692)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Fail: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
   Fail: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1886262)
   Call: (232) [system] get_char((0x558d99e6bec0), _1887192)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'T')
   Call: (232) [system] char_type('T', end_of_line)
   Fail: (232) [system] char_type('T', end_of_line)
   Call: (232) [system] 'T'=end_of_file
   Fail: (232) [system] 'T'=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1892762)
   Call: (233) [system] get_char((0x558d99e6bec0), _1893692)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'E')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] 'E'=end_of_file
   Fail: (233) [system] 'E'=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1899262)
   Call: (234) [system] get_char((0x558d99e6bec0), _1900192)
   Exit: (234) [system] get_char((0x558d99e6bec0), 'R')
   Call: (234) [system] char_type('R', end_of_line)
   Fail: (234) [system] char_type('R', end_of_line)
   Call: (234) [system] 'R'=end_of_file
   Fail: (234) [system] 'R'=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1905762)
   Call: (235) [system] get_char((0x558d99e6bec0), _1906692)
   Exit: (235) [system] get_char((0x558d99e6bec0), 'M')
   Call: (235) [system] char_type('M', end_of_line)
   Fail: (235) [system] char_type('M', end_of_line)
   Call: (235) [system] 'M'=end_of_file
   Fail: (235) [system] 'M'=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1912262)
   Call: (236) [system] get_char((0x558d99e6bec0), _1913192)
   Exit: (236) [system] get_char((0x558d99e6bec0), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Fail: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
   Fail: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1918762)
   Call: (237) [system] get_char((0x558d99e6bec0), _1919692)
   Exit: (237) [system] get_char((0x558d99e6bec0), $)
   Call: (237) [system] char_type($, end_of_line)
   Fail: (237) [system] char_type($, end_of_line)
   Call: (237) [system] ($)=end_of_file
   Fail: (237) [system] ($)=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1925262)
   Call: (238) [system] get_char((0x558d99e6bec0), _1926192)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] char_type(t, end_of_line)
   Fail: (238) [system] char_type(t, end_of_line)
   Call: (238) [system] t=end_of_file
   Fail: (238) [system] t=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1931762)
   Call: (239) [system] get_char((0x558d99e6bec0), _1932692)
   Exit: (239) [system] get_char((0x558d99e6bec0), y)
   Call: (239) [system] char_type(y, end_of_line)
   Fail: (239) [system] char_type(y, end_of_line)
   Call: (239) [system] y=end_of_file
   Fail: (239) [system] y=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1938262)
   Call: (240) [system] get_char((0x558d99e6bec0), _1939192)
   Exit: (240) [system] get_char((0x558d99e6bec0), p)
   Call: (240) [system] char_type(p, end_of_line)
   Fail: (240) [system] char_type(p, end_of_line)
   Call: (240) [system] p=end_of_file
   Fail: (240) [system] p=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _1944762)
   Call: (241) [system] get_char((0x558d99e6bec0), _1945692)
   Exit: (241) [system] get_char((0x558d99e6bec0), e)
   Call: (241) [system] char_type(e, end_of_line)
   Fail: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
   Fail: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _1951262)
   Call: (242) [system] get_char((0x558d99e6bec0), _1952192)
   Exit: (242) [system] get_char((0x558d99e6bec0), ')')
   Call: (242) [system] char_type(')', end_of_line)
   Fail: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] ')'=end_of_file
   Fail: (242) [system] ')'=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _1957762)
   Call: (243) [system] get_char((0x558d99e6bec0), _1958692)
   Exit: (243) [system] get_char((0x558d99e6bec0), '\n')
   Call: (243) [system] char_type('\n', end_of_line)
   Exit: (243) [system] char_type('\n', end_of_line)
   Call: (243) [system] _1957762=""
   Exit: (243) [system] ""=""
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (242) [system] string_concat(')', "", _1951262)
   Exit: (242) [system] string_concat(')', "", ")")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), ")")
   Call: (241) [system] string_concat(e, ")", _1944762)
   Exit: (241) [system] string_concat(e, ")", "e)")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "e)")
   Call: (240) [system] string_concat(p, "e)", _1938262)
   Exit: (240) [system] string_concat(p, "e)", "pe)")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "pe)")
   Call: (239) [system] string_concat(y, "pe)", _1931762)
   Exit: (239) [system] string_concat(y, "pe)", "ype)")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "ype)")
   Call: (238) [system] string_concat(t, "ype)", _1925262)
   Exit: (238) [system] string_concat(t, "ype)", "type)")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "type)")
   Call: (237) [system] string_concat($, "type)", _1918762)
   Exit: (237) [system] string_concat($, "type)", "$type)")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "$type)")
   Call: (236) [system] string_concat(' ', "$type)", _1912262)
   Exit: (236) [system] string_concat(' ', "$type)", " $type)")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), " $type)")
   Call: (235) [system] string_concat('M', " $type)", _1905762)
   Exit: (235) [system] string_concat('M', " $type)", "M $type)")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "M $type)")
   Call: (234) [system] string_concat('R', "M $type)", _1899262)
   Exit: (234) [system] string_concat('R', "M $type)", "RM $type)")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "RM $type)")
   Call: (233) [system] string_concat('E', "RM $type)", _1892762)
   Exit: (233) [system] string_concat('E', "RM $type)", "ERM $type)")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "ERM $type)")
   Call: (232) [system] string_concat('T', "ERM $type)", _1886262)
   Exit: (232) [system] string_concat('T', "ERM $type)", "TERM $type)")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "TERM $type)")
   Call: (231) [system] string_concat(' ', "TERM $type)", _1879762)
   Exit: (231) [system] string_concat(' ', "TERM $type)", " TERM $type)")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), " TERM $type)")
   Call: (230) [system] string_concat(:, " TERM $type)", _1873262)
   Exit: (230) [system] string_concat(:, " TERM $type)", ": TERM $type)")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), ": TERM $type)")
   Call: (229) [system] string_concat('(', ": TERM $type)", _1866762)
   Exit: (229) [system] string_concat('(', ": TERM $type)", "(: TERM $type)")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "(: TERM $type)")
   Call: (228) [system] string_concat(' ', "(: TERM $type)", _1860262)
   Exit: (228) [system] string_concat(' ', "(: TERM $type)", " (: TERM $type)")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), " (: TERM $type)")
   Call: (227) [system] string_concat(:, " (: TERM $type)", _1853762)
   Exit: (227) [system] string_concat(:, " (: TERM $type)", ": (: TERM $type)")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), ": (: TERM $type)")
   Call: (226) [system] string_concat(e, ": (: TERM $type)", _1847262)
   Exit: (226) [system] string_concat(e, ": (: TERM $type)", "e: (: TERM $type)")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "e: (: TERM $type)")
   Call: (225) [system] string_concat(c, "e: (: TERM $type)", _1840762)
   Exit: (225) [system] string_concat(c, "e: (: TERM $type)", "ce: (: TERM $type)")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "ce: (: TERM $type)")
   Call: (224) [system] string_concat(n, "ce: (: TERM $type)", _1834262)
   Exit: (224) [system] string_concat(n, "ce: (: TERM $type)", "nce: (: TERM $type)")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "nce: (: TERM $type)")
   Call: (223) [system] string_concat(e, "nce: (: TERM $type)", _1827762)
   Exit: (223) [system] string_concat(e, "nce: (: TERM $type)", "ence: (: TERM $type)")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ence: (: TERM $type)")
   Call: (222) [system] string_concat(r, "ence: (: TERM $type)", _1821262)
   Exit: (222) [system] string_concat(r, "ence: (: TERM $type)", "rence: (: TERM $type)")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "rence: (: TERM $type)")
   Call: (221) [system] string_concat(e, "rence: (: TERM $type)", _1814762)
   Exit: (221) [system] string_concat(e, "rence: (: TERM $type)", "erence: (: TERM $type)")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "erence: (: TERM $type)")
   Call: (220) [system] string_concat(f, "erence: (: TERM $type)", _1808262)
   Exit: (220) [system] string_concat(f, "erence: (: TERM $type)", "ference: (: TERM $type)")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "ference: (: TERM $type)")
   Call: (219) [system] string_concat(n, "ference: (: TERM $type)", _1801762)
   Exit: (219) [system] string_concat(n, "ference: (: TERM $type)", "nference: (: TERM $type)")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "nference: (: TERM $type)")
   Call: (218) [system] string_concat(i, "nference: (: TERM $type)", _1795262)
   Exit: (218) [system] string_concat(i, "nference: (: TERM $type)", "inference: (: TERM $type)")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "inference: (: TERM $type)")
   Call: (217) [system] string_concat(' ', "inference: (: TERM $type)", _1788762)
   Exit: (217) [system] string_concat(' ', "inference: (: TERM $type)", " inference: (: TERM $type)")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), " inference: (: TERM $type)")
   Call: (216) [system] string_concat(e, " inference: (: TERM $type)", _1782262)
   Exit: (216) [system] string_concat(e, " inference: (: TERM $type)", "e inference: (: TERM $type)")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "e inference: (: TERM $type)")
   Call: (215) [system] string_concat(p, "e inference: (: TERM $type)", _1775762)
   Exit: (215) [system] string_concat(p, "e inference: (: TERM $type)", "pe inference: (: TERM $type)")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "pe inference: (: TERM $type)")
   Call: (214) [system] string_concat(y, "pe inference: (: TERM $type)", _1769262)
   Exit: (214) [system] string_concat(y, "pe inference: (: TERM $type)", "ype inference: (: TERM $type)")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "ype inference: (: TERM $type)")
   Call: (213) [system] string_concat('T', "ype inference: (: TERM $type)", _1762762)
   Exit: (213) [system] string_concat('T', "ype inference: (: TERM $type)", "Type inference: (: TERM $type)")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "Type inference: (: TERM $type)")
   Call: (212) [system] string_concat(' ', "Type inference: (: TERM $type)", _1756262)
   Exit: (212) [system] string_concat(' ', "Type inference: (: TERM $type)", " Type inference: (: TERM $type)")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), " Type inference: (: TERM $type)")
   Call: (211) [system] string_concat('.', " Type inference: (: TERM $type)", _1749762)
   Exit: (211) [system] string_concat('.', " Type inference: (: TERM $type)", ". Type inference: (: TERM $type)")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), ". Type inference: (: TERM $type)")
   Call: (210) [system] string_concat('5', ". Type inference: (: TERM $type)", _1743262)
   Exit: (210) [system] string_concat('5', ". Type inference: (: TERM $type)", "5. Type inference: (: TERM $type)")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "5. Type inference: (: TERM $type)")
   Call: (209) [system] string_concat(' ', "5. Type inference: (: TERM $type)", _1736762)
   Exit: (209) [system] string_concat(' ', "5. Type inference: (: TERM $type)", " 5. Type inference: (: TERM $type)")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), " 5. Type inference: (: TERM $type)")
   Call: (208) [system] string_concat(' ', " 5. Type inference: (: TERM $type)", _1730262)
   Exit: (208) [system] string_concat(' ', " 5. Type inference: (: TERM $type)", "  5. Type inference: (: TERM $type)")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "  5. Type inference: (: TERM $type)")
   Call: (207) [system] string_concat(' ', "  5. Type inference: (: TERM $type)", _1723762)
   Exit: (207) [system] string_concat(' ', "  5. Type inference: (: TERM $type)", "   5. Type inference: (: TERM $type)")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "   5. Type inference: (: TERM $type)")
   Call: (206) [system] string_concat(' ', "   5. Type inference: (: TERM $type)", _1717262)
   Exit: (206) [system] string_concat(' ', "   5. Type inference: (: TERM $type)", "    5. Type inference: (: TERM $type)")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "    5. Type inference: (: TERM $type)")
   Call: (205) [system] string_concat(' ', "    5. Type inference: (: TERM $type)", _1710762)
   Exit: (205) [system] string_concat(' ', "    5. Type inference: (: TERM $type)", "     5. Type inference: (: TERM $type)")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "     5. Type inference: (: TERM $type)")
   Call: (204) [system] string_concat(' ', "     5. Type inference: (: TERM $type)", _1704262)
   Exit: (204) [system] string_concat(' ', "     5. Type inference: (: TERM $type)", "      5. Type inference: (: TERM $type)")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "      5. Type inference: (: TERM $type)")
   Call: (203) [system] string_concat(' ', "      5. Type inference: (: TERM $type)", _1697762)
   Exit: (203) [system] string_concat(' ', "      5. Type inference: (: TERM $type)", "       5. Type inference: (: TERM $type)")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "       5. Type inference: (: TERM $type)")
   Call: (202) [system] string_concat(' ', "       5. Type inference: (: TERM $type)", _1691262)
   Exit: (202) [system] string_concat(' ', "       5. Type inference: (: TERM $type)", "        5. Type inference: (: TERM $type)")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "        5. Type inference: (: TERM $type)")
   Call: (201) [system] string_concat(' ', "        5. Type inference: (: TERM $type)", _1684762)
   Exit: (201) [system] string_concat(' ', "        5. Type inference: (: TERM $type)", "         5. Type inference: (: TERM $type)")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "         5. Type inference: (: TERM $type)")
   Call: (200) [system] string_concat(;, "         5. Type inference: (: TERM $type)", _1678262)
   Exit: (200) [system] string_concat(;, "         5. Type inference: (: TERM $type)", ";         5. Type inference: (: TERM $type)")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), ";         5. Type inference: (: TERM $type)")
   Call: (199) [system] string_concat(;, ";         5. Type inference: (: TERM $type)", _1671762)
   Exit: (199) [system] string_concat(;, ";         5. Type inference: (: TERM $type)", ";;         5. Type inference: (: TERM $type)")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), ";;         5. Type inference: (: TERM $type)")
^  Call: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (197) [user] read_comment((0x558d99e6bec0))
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2092256)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ;)
   Call: (198) [system] (;)=(;)
   Exit: (198) [system] (;)=(;)
^  Call: (198) [user] read_comment((0x558d99e6bec0))
^  Call: (199) [user] read_position((0x558d99e6bec0), _3386, _3388, _3390, _3392)
   Call: (200) [system] stream_property((0x558d99e6bec0), position(_3392))
   Call: (201) [system] nonvar((0x558d99e6bec0))
   Exit: (201) [system] nonvar((0x558d99e6bec0))
   Call: (201) [system] nonvar(position(_3392))
   Exit: (201) [system] nonvar(position(_3392))
   Exit: (200) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1021, 33, 0, 1021)))
   Call: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), _3386)
   Call: (201) [system] nonvar(line_count)
   Exit: (201) [system] nonvar(line_count)
   Call: (201) [$syspreds] stream_position_field(line_count, _12620)
   Exit: (201) [$syspreds] stream_position_field(line_count, 2)
   Call: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), _3386)
   Exit: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), 33)
   Exit: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), 33)
   Call: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), _3388)
   Call: (201) [system] nonvar(line_position)
   Exit: (201) [system] nonvar(line_position)
   Call: (201) [$syspreds] stream_position_field(line_position, _20054)
   Exit: (201) [$syspreds] stream_position_field(line_position, 3)
   Call: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), _3388)
   Exit: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), 0)
   Exit: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), 0)
   Call: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), _3390)
   Call: (201) [system] nonvar(char_count)
   Exit: (201) [system] nonvar(char_count)
   Call: (201) [$syspreds] stream_position_field(char_count, _27488)
   Exit: (201) [$syspreds] stream_position_field(char_count, 1)
   Call: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), _3390)
   Exit: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), 1021)
   Exit: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), 1021)
^  Exit: (199) [user] read_position((0x558d99e6bec0), 33, 0, 1021, '$stream_position'(1021, 33, 0, 1021))
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _33082)
   Call: (200) [system] get_char((0x558d99e6bec0), _34012)
   Exit: (200) [system] get_char((0x558d99e6bec0), ;)
   Call: (200) [system] char_type(;, end_of_line)
   Fail: (200) [system] char_type(;, end_of_line)
   Call: (200) [system] (;)=end_of_file
   Fail: (200) [system] (;)=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _39582)
   Call: (201) [system] get_char((0x558d99e6bec0), _40512)
   Exit: (201) [system] get_char((0x558d99e6bec0), ;)
   Call: (201) [system] char_type(;, end_of_line)
   Fail: (201) [system] char_type(;, end_of_line)
   Call: (201) [system] (;)=end_of_file
   Fail: (201) [system] (;)=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _46082)
   Call: (202) [system] get_char((0x558d99e6bec0), _47012)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _46082=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (201) [system] string_concat(;, "", _39582)
   Exit: (201) [system] string_concat(;, "", ";")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), ";")
   Call: (200) [system] string_concat(;, ";", _33082)
   Exit: (200) [system] string_concat(;, ";", ";;")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), ";;")
^  Call: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (198) [user] read_comment((0x558d99e6bec0))
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _62840)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ;)
   Call: (199) [system] (;)=(;)
   Exit: (199) [system] (;)=(;)
^  Call: (199) [user] read_comment((0x558d99e6bec0))
^  Call: (200) [user] read_position((0x558d99e6bec0), _67478, _67480, _67482, _67484)
   Call: (201) [system] stream_property((0x558d99e6bec0), position(_67484))
   Call: (202) [system] nonvar((0x558d99e6bec0))
   Exit: (202) [system] nonvar((0x558d99e6bec0))
   Call: (202) [system] nonvar(position(_67484))
   Exit: (202) [system] nonvar(position(_67484))
   Exit: (201) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1024, 34, 0, 1024)))
   Call: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), _67478)
   Call: (202) [system] nonvar(line_count)
   Exit: (202) [system] nonvar(line_count)
   Call: (202) [$syspreds] stream_position_field(line_count, _76772)
   Exit: (202) [$syspreds] stream_position_field(line_count, 2)
   Call: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), _67478)
   Exit: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), 34)
   Exit: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), 34)
   Call: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), _67480)
   Call: (202) [system] nonvar(line_position)
   Exit: (202) [system] nonvar(line_position)
   Call: (202) [$syspreds] stream_position_field(line_position, _84206)
   Exit: (202) [$syspreds] stream_position_field(line_position, 3)
   Call: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), _67480)
   Exit: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), 0)
   Exit: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), 0)
   Call: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), _67482)
   Call: (202) [system] nonvar(char_count)
   Exit: (202) [system] nonvar(char_count)
   Call: (202) [$syspreds] stream_position_field(char_count, _91640)
   Exit: (202) [$syspreds] stream_position_field(char_count, 1)
   Call: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), _67482)
   Exit: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), 1024)
   Exit: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), 1024)
^  Exit: (200) [user] read_position((0x558d99e6bec0), 34, 0, 1024, '$stream_position'(1024, 34, 0, 1024))
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _97234)
   Call: (201) [system] get_char((0x558d99e6bec0), _98164)
   Exit: (201) [system] get_char((0x558d99e6bec0), ;)
   Call: (201) [system] char_type(;, end_of_line)
   Fail: (201) [system] char_type(;, end_of_line)
   Call: (201) [system] (;)=end_of_file
   Fail: (201) [system] (;)=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _103734)
   Call: (202) [system] get_char((0x558d99e6bec0), _104664)
   Exit: (202) [system] get_char((0x558d99e6bec0), ;)
   Call: (202) [system] char_type(;, end_of_line)
   Fail: (202) [system] char_type(;, end_of_line)
   Call: (202) [system] (;)=end_of_file
   Fail: (202) [system] (;)=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _110234)
   Call: (203) [system] get_char((0x558d99e6bec0), _111164)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Fail: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
   Fail: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _116734)
   Call: (204) [system] get_char((0x558d99e6bec0), _117664)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _123234)
   Call: (205) [system] get_char((0x558d99e6bec0), _124164)
   Exit: (205) [system] get_char((0x558d99e6bec0), k)
   Call: (205) [system] char_type(k, end_of_line)
   Fail: (205) [system] char_type(k, end_of_line)
   Call: (205) [system] k=end_of_file
   Fail: (205) [system] k=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _129734)
   Call: (206) [system] get_char((0x558d99e6bec0), _130664)
   Exit: (206) [system] get_char((0x558d99e6bec0), b)
   Call: (206) [system] char_type(b, end_of_line)
   Fail: (206) [system] char_type(b, end_of_line)
   Call: (206) [system] b=end_of_file
   Fail: (206) [system] b=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _136234)
   Call: (207) [system] get_char((0x558d99e6bec0), _137164)
   Exit: (207) [system] get_char((0x558d99e6bec0), :)
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _142734)
   Call: (208) [system] get_char((0x558d99e6bec0), _143664)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Fail: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
   Fail: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _149234)
   Call: (209) [system] get_char((0x558d99e6bec0), _150164)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _155734)
   Call: (210) [system] get_char((0x558d99e6bec0), _156664)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Fail: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
   Fail: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _162234)
   Call: (211) [system] get_char((0x558d99e6bec0), _163164)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] char_type(n, end_of_line)
   Fail: (211) [system] char_type(n, end_of_line)
   Call: (211) [system] n=end_of_file
   Fail: (211) [system] n=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _168734)
   Call: (212) [system] get_char((0x558d99e6bec0), _169664)
   Exit: (212) [system] get_char((0x558d99e6bec0), u)
   Call: (212) [system] char_type(u, end_of_line)
   Fail: (212) [system] char_type(u, end_of_line)
   Call: (212) [system] u=end_of_file
   Fail: (212) [system] u=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _175234)
   Call: (213) [system] get_char((0x558d99e6bec0), _176164)
   Exit: (213) [system] get_char((0x558d99e6bec0), l)
   Call: (213) [system] char_type(l, end_of_line)
   Fail: (213) [system] char_type(l, end_of_line)
   Call: (213) [system] l=end_of_file
   Fail: (213) [system] l=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _181734)
   Call: (214) [system] get_char((0x558d99e6bec0), _182664)
   Exit: (214) [system] get_char((0x558d99e6bec0), l)
   Call: (214) [system] char_type(l, end_of_line)
   Fail: (214) [system] char_type(l, end_of_line)
   Call: (214) [system] l=end_of_file
   Fail: (214) [system] l=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _188234)
   Call: (215) [system] get_char((0x558d99e6bec0), _189164)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _194734)
   Call: (216) [system] get_char((0x558d99e6bec0), _195664)
   Exit: (216) [system] get_char((0x558d99e6bec0), r)
   Call: (216) [system] char_type(r, end_of_line)
   Fail: (216) [system] char_type(r, end_of_line)
   Call: (216) [system] r=end_of_file
   Fail: (216) [system] r=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _201234)
   Call: (217) [system] get_char((0x558d99e6bec0), _202164)
   Exit: (217) [system] get_char((0x558d99e6bec0), y)
   Call: (217) [system] char_type(y, end_of_line)
   Fail: (217) [system] char_type(y, end_of_line)
   Call: (217) [system] y=end_of_file
   Fail: (217) [system] y=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _207734)
   Call: (218) [system] get_char((0x558d99e6bec0), _208664)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
   Call: (218) [system] char_type(' ', end_of_line)
   Fail: (218) [system] char_type(' ', end_of_line)
   Call: (218) [system] ' '=end_of_file
   Fail: (218) [system] ' '=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _214234)
   Call: (219) [system] get_char((0x558d99e6bec0), _215164)
   Exit: (219) [system] get_char((0x558d99e6bec0), f)
   Call: (219) [system] char_type(f, end_of_line)
   Fail: (219) [system] char_type(f, end_of_line)
   Call: (219) [system] f=end_of_file
   Fail: (219) [system] f=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _220734)
   Call: (220) [system] get_char((0x558d99e6bec0), _221664)
   Exit: (220) [system] get_char((0x558d99e6bec0), u)
   Call: (220) [system] char_type(u, end_of_line)
   Fail: (220) [system] char_type(u, end_of_line)
   Call: (220) [system] u=end_of_file
   Fail: (220) [system] u=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _227234)
   Call: (221) [system] get_char((0x558d99e6bec0), _228164)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] char_type(n, end_of_line)
   Fail: (221) [system] char_type(n, end_of_line)
   Call: (221) [system] n=end_of_file
   Fail: (221) [system] n=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _233734)
   Call: (222) [system] get_char((0x558d99e6bec0), _234664)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _240234)
   Call: (223) [system] get_char((0x558d99e6bec0), _241164)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] char_type(t, end_of_line)
   Fail: (223) [system] char_type(t, end_of_line)
   Call: (223) [system] t=end_of_file
   Fail: (223) [system] t=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _246734)
   Call: (224) [system] get_char((0x558d99e6bec0), _247664)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] char_type(i, end_of_line)
   Fail: (224) [system] char_type(i, end_of_line)
   Call: (224) [system] i=end_of_file
   Fail: (224) [system] i=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _253234)
   Call: (225) [system] get_char((0x558d99e6bec0), _254164)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] char_type(o, end_of_line)
   Fail: (225) [system] char_type(o, end_of_line)
   Call: (225) [system] o=end_of_file
   Fail: (225) [system] o=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _259734)
   Call: (226) [system] get_char((0x558d99e6bec0), _260664)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] char_type(n, end_of_line)
   Fail: (226) [system] char_type(n, end_of_line)
   Call: (226) [system] n=end_of_file
   Fail: (226) [system] n=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _266234)
   Call: (227) [system] get_char((0x558d99e6bec0), _267164)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Fail: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
   Fail: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _272734)
   Call: (228) [system] get_char((0x558d99e6bec0), _273664)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] char_type(t, end_of_line)
   Fail: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
   Fail: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _279234)
   Call: (229) [system] get_char((0x558d99e6bec0), _280164)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] char_type(o, end_of_line)
   Fail: (229) [system] char_type(o, end_of_line)
   Call: (229) [system] o=end_of_file
   Fail: (229) [system] o=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _285734)
   Call: (230) [system] get_char((0x558d99e6bec0), _286664)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Fail: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
   Fail: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _292234)
   Call: (231) [system] get_char((0x558d99e6bec0), _293164)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _298734)
   Call: (232) [system] get_char((0x558d99e6bec0), _299664)
   Exit: (232) [system] get_char((0x558d99e6bec0), x)
   Call: (232) [system] char_type(x, end_of_line)
   Fail: (232) [system] char_type(x, end_of_line)
   Call: (232) [system] x=end_of_file
   Fail: (232) [system] x=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _305234)
   Call: (233) [system] get_char((0x558d99e6bec0), _306164)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] char_type(i, end_of_line)
   Fail: (233) [system] char_type(i, end_of_line)
   Call: (233) [system] i=end_of_file
   Fail: (233) [system] i=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _311734)
   Call: (234) [system] get_char((0x558d99e6bec0), _312664)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] char_type(o, end_of_line)
   Fail: (234) [system] char_type(o, end_of_line)
   Call: (234) [system] o=end_of_file
   Fail: (234) [system] o=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _318234)
   Call: (235) [system] get_char((0x558d99e6bec0), _319164)
   Exit: (235) [system] get_char((0x558d99e6bec0), m)
   Call: (235) [system] char_type(m, end_of_line)
   Fail: (235) [system] char_type(m, end_of_line)
   Call: (235) [system] m=end_of_file
   Fail: (235) [system] m=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _324734)
   Call: (236) [system] get_char((0x558d99e6bec0), _325664)
   Exit: (236) [system] get_char((0x558d99e6bec0), '\n')
   Call: (236) [system] char_type('\n', end_of_line)
   Exit: (236) [system] char_type('\n', end_of_line)
   Call: (236) [system] _324734=""
   Exit: (236) [system] ""=""
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (235) [system] string_concat(m, "", _318234)
   Exit: (235) [system] string_concat(m, "", "m")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "m")
   Call: (234) [system] string_concat(o, "m", _311734)
   Exit: (234) [system] string_concat(o, "m", "om")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "om")
   Call: (233) [system] string_concat(i, "om", _305234)
   Exit: (233) [system] string_concat(i, "om", "iom")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "iom")
   Call: (232) [system] string_concat(x, "iom", _298734)
   Exit: (232) [system] string_concat(x, "iom", "xiom")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "xiom")
   Call: (231) [system] string_concat(a, "xiom", _292234)
   Exit: (231) [system] string_concat(a, "xiom", "axiom")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "axiom")
   Call: (230) [system] string_concat(' ', "axiom", _285734)
   Exit: (230) [system] string_concat(' ', "axiom", " axiom")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), " axiom")
   Call: (229) [system] string_concat(o, " axiom", _279234)
   Exit: (229) [system] string_concat(o, " axiom", "o axiom")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "o axiom")
   Call: (228) [system] string_concat(t, "o axiom", _272734)
   Exit: (228) [system] string_concat(t, "o axiom", "to axiom")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "to axiom")
   Call: (227) [system] string_concat(' ', "to axiom", _266234)
   Exit: (227) [system] string_concat(' ', "to axiom", " to axiom")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), " to axiom")
   Call: (226) [system] string_concat(n, " to axiom", _259734)
   Exit: (226) [system] string_concat(n, " to axiom", "n to axiom")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "n to axiom")
   Call: (225) [system] string_concat(o, "n to axiom", _253234)
   Exit: (225) [system] string_concat(o, "n to axiom", "on to axiom")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "on to axiom")
   Call: (224) [system] string_concat(i, "on to axiom", _246734)
   Exit: (224) [system] string_concat(i, "on to axiom", "ion to axiom")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "ion to axiom")
   Call: (223) [system] string_concat(t, "ion to axiom", _240234)
   Exit: (223) [system] string_concat(t, "ion to axiom", "tion to axiom")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "tion to axiom")
   Call: (222) [system] string_concat(c, "tion to axiom", _233734)
   Exit: (222) [system] string_concat(c, "tion to axiom", "ction to axiom")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "ction to axiom")
   Call: (221) [system] string_concat(n, "ction to axiom", _227234)
   Exit: (221) [system] string_concat(n, "ction to axiom", "nction to axiom")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "nction to axiom")
   Call: (220) [system] string_concat(u, "nction to axiom", _220734)
   Exit: (220) [system] string_concat(u, "nction to axiom", "unction to axiom")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "unction to axiom")
   Call: (219) [system] string_concat(f, "unction to axiom", _214234)
   Exit: (219) [system] string_concat(f, "unction to axiom", "function to axiom")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "function to axiom")
   Call: (218) [system] string_concat(' ', "function to axiom", _207734)
   Exit: (218) [system] string_concat(' ', "function to axiom", " function to axiom")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), " function to axiom")
   Call: (217) [system] string_concat(y, " function to axiom", _201234)
   Exit: (217) [system] string_concat(y, " function to axiom", "y function to axiom")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "y function to axiom")
   Call: (216) [system] string_concat(r, "y function to axiom", _194734)
   Exit: (216) [system] string_concat(r, "y function to axiom", "ry function to axiom")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "ry function to axiom")
   Call: (215) [system] string_concat(a, "ry function to axiom", _188234)
   Exit: (215) [system] string_concat(a, "ry function to axiom", "ary function to axiom")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "ary function to axiom")
   Call: (214) [system] string_concat(l, "ary function to axiom", _181734)
   Exit: (214) [system] string_concat(l, "ary function to axiom", "lary function to axiom")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "lary function to axiom")
   Call: (213) [system] string_concat(l, "lary function to axiom", _175234)
   Exit: (213) [system] string_concat(l, "lary function to axiom", "llary function to axiom")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "llary function to axiom")
   Call: (212) [system] string_concat(u, "llary function to axiom", _168734)
   Exit: (212) [system] string_concat(u, "llary function to axiom", "ullary function to axiom")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "ullary function to axiom")
   Call: (211) [system] string_concat(n, "ullary function to axiom", _162234)
   Exit: (211) [system] string_concat(n, "ullary function to axiom", "nullary function to axiom")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "nullary function to axiom")
   Call: (210) [system] string_concat(' ', "nullary function to axiom", _155734)
   Exit: (210) [system] string_concat(' ', "nullary function to axiom", " nullary function to axiom")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), " nullary function to axiom")
   Call: (209) [system] string_concat(a, " nullary function to axiom", _149234)
   Exit: (209) [system] string_concat(a, " nullary function to axiom", "a nullary function to axiom")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "a nullary function to axiom")
   Call: (208) [system] string_concat(' ', "a nullary function to axiom", _142734)
   Exit: (208) [system] string_concat(' ', "a nullary function to axiom", " a nullary function to axiom")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), " a nullary function to axiom")
   Call: (207) [system] string_concat(:, " a nullary function to axiom", _136234)
   Exit: (207) [system] string_concat(:, " a nullary function to axiom", ": a nullary function to axiom")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), ": a nullary function to axiom")
   Call: (206) [system] string_concat(b, ": a nullary function to axiom", _129734)
   Exit: (206) [system] string_concat(b, ": a nullary function to axiom", "b: a nullary function to axiom")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "b: a nullary function to axiom")
   Call: (205) [system] string_concat(k, "b: a nullary function to axiom", _123234)
   Exit: (205) [system] string_concat(k, "b: a nullary function to axiom", "kb: a nullary function to axiom")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "kb: a nullary function to axiom")
   Call: (204) [system] string_concat($, "kb: a nullary function to axiom", _116734)
   Exit: (204) [system] string_concat($, "kb: a nullary function to axiom", "$kb: a nullary function to axiom")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "$kb: a nullary function to axiom")
   Call: (203) [system] string_concat(' ', "$kb: a nullary function to axiom", _110234)
   Exit: (203) [system] string_concat(' ', "$kb: a nullary function to axiom", " $kb: a nullary function to axiom")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), " $kb: a nullary function to axiom")
   Call: (202) [system] string_concat(;, " $kb: a nullary function to axiom", _103734)
   Exit: (202) [system] string_concat(;, " $kb: a nullary function to axiom", "; $kb: a nullary function to axiom")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "; $kb: a nullary function to axiom")
   Call: (201) [system] string_concat(;, "; $kb: a nullary function to axiom", _97234)
   Exit: (201) [system] string_concat(;, "; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), ";; $kb: a nullary function to axiom")
^  Call: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (199) [user] read_comment((0x558d99e6bec0))
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _433962)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ;)
   Call: (200) [system] (;)=(;)
   Exit: (200) [system] (;)=(;)
^  Call: (200) [user] read_comment((0x558d99e6bec0))
^  Call: (201) [user] read_position((0x558d99e6bec0), _438600, _438602, _438604, _438606)
   Call: (202) [system] stream_property((0x558d99e6bec0), position(_438606))
   Call: (203) [system] nonvar((0x558d99e6bec0))
   Exit: (203) [system] nonvar((0x558d99e6bec0))
   Call: (203) [system] nonvar(position(_438606))
   Exit: (203) [system] nonvar(position(_438606))
   Exit: (202) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1060, 35, 0, 1060)))
   Call: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), _438600)
   Call: (203) [system] nonvar(line_count)
   Exit: (203) [system] nonvar(line_count)
   Call: (203) [$syspreds] stream_position_field(line_count, _447894)
   Exit: (203) [$syspreds] stream_position_field(line_count, 2)
   Call: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), _438600)
   Exit: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), 35)
   Exit: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), 35)
   Call: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), _438602)
   Call: (203) [system] nonvar(line_position)
   Exit: (203) [system] nonvar(line_position)
   Call: (203) [$syspreds] stream_position_field(line_position, _455328)
   Exit: (203) [$syspreds] stream_position_field(line_position, 3)
   Call: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), _438602)
   Exit: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), 0)
   Exit: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), 0)
   Call: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), _438604)
   Call: (203) [system] nonvar(char_count)
   Exit: (203) [system] nonvar(char_count)
   Call: (203) [$syspreds] stream_position_field(char_count, _462762)
   Exit: (203) [$syspreds] stream_position_field(char_count, 1)
   Call: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), _438604)
   Exit: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), 1060)
   Exit: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), 1060)
^  Exit: (201) [user] read_position((0x558d99e6bec0), 35, 0, 1060, '$stream_position'(1060, 35, 0, 1060))
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _468356)
   Call: (202) [system] get_char((0x558d99e6bec0), _469286)
   Exit: (202) [system] get_char((0x558d99e6bec0), ;)
   Call: (202) [system] char_type(;, end_of_line)
   Fail: (202) [system] char_type(;, end_of_line)
   Call: (202) [system] (;)=end_of_file
   Fail: (202) [system] (;)=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _474856)
   Call: (203) [system] get_char((0x558d99e6bec0), _475786)
   Exit: (203) [system] get_char((0x558d99e6bec0), ;)
   Call: (203) [system] char_type(;, end_of_line)
   Fail: (203) [system] char_type(;, end_of_line)
   Call: (203) [system] (;)=end_of_file
   Fail: (203) [system] (;)=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _481356)
   Call: (204) [system] get_char((0x558d99e6bec0), _482286)
   Exit: (204) [system] get_char((0x558d99e6bec0), '\t')
   Call: (204) [system] char_type('\t', end_of_line)
   Fail: (204) [system] char_type('\t', end_of_line)
   Call: (204) [system] '\t'=end_of_file
   Fail: (204) [system] '\t'=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _487856)
   Call: (205) [system] get_char((0x558d99e6bec0), _488786)
   Exit: (205) [system] get_char((0x558d99e6bec0), '\t')
   Call: (205) [system] char_type('\t', end_of_line)
   Fail: (205) [system] char_type('\t', end_of_line)
   Call: (205) [system] '\t'=end_of_file
   Fail: (205) [system] '\t'=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _494356)
   Call: (206) [system] get_char((0x558d99e6bec0), _495286)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Fail: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
   Fail: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _500856)
   Call: (207) [system] get_char((0x558d99e6bec0), _501786)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] char_type(t, end_of_line)
   Fail: (207) [system] char_type(t, end_of_line)
   Call: (207) [system] t=end_of_file
   Fail: (207) [system] t=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _507356)
   Call: (208) [system] get_char((0x558d99e6bec0), _508286)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] char_type(o, end_of_line)
   Fail: (208) [system] char_type(o, end_of_line)
   Call: (208) [system] o=end_of_file
   Fail: (208) [system] o=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _513856)
   Call: (209) [system] get_char((0x558d99e6bec0), _514786)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Fail: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
   Fail: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _520356)
   Call: (210) [system] get_char((0x558d99e6bec0), _521286)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] char_type(n, end_of_line)
   Fail: (210) [system] char_type(n, end_of_line)
   Call: (210) [system] n=end_of_file
   Fail: (210) [system] n=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _526856)
   Call: (211) [system] get_char((0x558d99e6bec0), _527786)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] char_type(o, end_of_line)
   Fail: (211) [system] char_type(o, end_of_line)
   Call: (211) [system] o=end_of_file
   Fail: (211) [system] o=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _533356)
   Call: (212) [system] get_char((0x558d99e6bec0), _534286)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] char_type(n, end_of_line)
   Fail: (212) [system] char_type(n, end_of_line)
   Call: (212) [system] n=end_of_file
   Fail: (212) [system] n=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _539856)
   Call: (213) [system] get_char((0x558d99e6bec0), _540786)
   Exit: (213) [system] get_char((0x558d99e6bec0), -)
   Call: (213) [system] char_type(-, end_of_line)
   Fail: (213) [system] char_type(-, end_of_line)
   Call: (213) [system] (-)=end_of_file
   Fail: (213) [system] (-)=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _546356)
   Call: (214) [system] get_char((0x558d99e6bec0), _547286)
   Exit: (214) [system] get_char((0x558d99e6bec0), d)
   Call: (214) [system] char_type(d, end_of_line)
   Fail: (214) [system] char_type(d, end_of_line)
   Call: (214) [system] d=end_of_file
   Fail: (214) [system] d=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _552856)
   Call: (215) [system] get_char((0x558d99e6bec0), _553786)
   Exit: (215) [system] get_char((0x558d99e6bec0), e)
   Call: (215) [system] char_type(e, end_of_line)
   Fail: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
   Fail: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _559356)
   Call: (216) [system] get_char((0x558d99e6bec0), _560286)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] char_type(t, end_of_line)
   Fail: (216) [system] char_type(t, end_of_line)
   Call: (216) [system] t=end_of_file
   Fail: (216) [system] t=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _565856)
   Call: (217) [system] get_char((0x558d99e6bec0), _566786)
   Exit: (217) [system] get_char((0x558d99e6bec0), e)
   Call: (217) [system] char_type(e, end_of_line)
   Fail: (217) [system] char_type(e, end_of_line)
   Call: (217) [system] e=end_of_file
   Fail: (217) [system] e=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _572356)
   Call: (218) [system] get_char((0x558d99e6bec0), _573286)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] char_type(r, end_of_line)
   Fail: (218) [system] char_type(r, end_of_line)
   Call: (218) [system] r=end_of_file
   Fail: (218) [system] r=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _578856)
   Call: (219) [system] get_char((0x558d99e6bec0), _579786)
   Exit: (219) [system] get_char((0x558d99e6bec0), m)
   Call: (219) [system] char_type(m, end_of_line)
   Fail: (219) [system] char_type(m, end_of_line)
   Call: (219) [system] m=end_of_file
   Fail: (219) [system] m=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _585356)
   Call: (220) [system] get_char((0x558d99e6bec0), _586286)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] char_type(i, end_of_line)
   Fail: (220) [system] char_type(i, end_of_line)
   Call: (220) [system] i=end_of_file
   Fail: (220) [system] i=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _591856)
   Call: (221) [system] get_char((0x558d99e6bec0), _592786)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] char_type(n, end_of_line)
   Fail: (221) [system] char_type(n, end_of_line)
   Call: (221) [system] n=end_of_file
   Fail: (221) [system] n=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _598356)
   Call: (222) [system] get_char((0x558d99e6bec0), _599286)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] char_type(i, end_of_line)
   Fail: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
   Fail: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _604856)
   Call: (223) [system] get_char((0x558d99e6bec0), _605786)
   Exit: (223) [system] get_char((0x558d99e6bec0), s)
   Call: (223) [system] char_type(s, end_of_line)
   Fail: (223) [system] char_type(s, end_of_line)
   Call: (223) [system] s=end_of_file
   Fail: (223) [system] s=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _611356)
   Call: (224) [system] get_char((0x558d99e6bec0), _612286)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] char_type(t, end_of_line)
   Fail: (224) [system] char_type(t, end_of_line)
   Call: (224) [system] t=end_of_file
   Fail: (224) [system] t=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _617856)
   Call: (225) [system] get_char((0x558d99e6bec0), _618786)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] char_type(i, end_of_line)
   Fail: (225) [system] char_type(i, end_of_line)
   Call: (225) [system] i=end_of_file
   Fail: (225) [system] i=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _624356)
   Call: (226) [system] get_char((0x558d99e6bec0), _625286)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] char_type(c, end_of_line)
   Fail: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] c=end_of_file
   Fail: (226) [system] c=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _630856)
   Call: (227) [system] get_char((0x558d99e6bec0), _631786)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _637356)
   Call: (228) [system] get_char((0x558d99e6bec0), _638286)
   Exit: (228) [system] get_char((0x558d99e6bec0), l)
   Call: (228) [system] char_type(l, end_of_line)
   Fail: (228) [system] char_type(l, end_of_line)
   Call: (228) [system] l=end_of_file
   Fail: (228) [system] l=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _643856)
   Call: (229) [system] get_char((0x558d99e6bec0), _644786)
   Exit: (229) [system] get_char((0x558d99e6bec0), l)
   Call: (229) [system] char_type(l, end_of_line)
   Fail: (229) [system] char_type(l, end_of_line)
   Call: (229) [system] l=end_of_file
   Fail: (229) [system] l=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _650356)
   Call: (230) [system] get_char((0x558d99e6bec0), _651286)
   Exit: (230) [system] get_char((0x558d99e6bec0), y)
   Call: (230) [system] char_type(y, end_of_line)
   Fail: (230) [system] char_type(y, end_of_line)
   Call: (230) [system] y=end_of_file
   Fail: (230) [system] y=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _656856)
   Call: (231) [system] get_char((0x558d99e6bec0), _657786)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Fail: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
   Fail: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _663356)
   Call: (232) [system] get_char((0x558d99e6bec0), _664286)
   Exit: (232) [system] get_char((0x558d99e6bec0), p)
   Call: (232) [system] char_type(p, end_of_line)
   Fail: (232) [system] char_type(p, end_of_line)
   Call: (232) [system] p=end_of_file
   Fail: (232) [system] p=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _669856)
   Call: (233) [system] get_char((0x558d99e6bec0), _670786)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] char_type(i, end_of_line)
   Fail: (233) [system] char_type(i, end_of_line)
   Call: (233) [system] i=end_of_file
   Fail: (233) [system] i=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _676356)
   Call: (234) [system] get_char((0x558d99e6bec0), _677286)
   Exit: (234) [system] get_char((0x558d99e6bec0), c)
   Call: (234) [system] char_type(c, end_of_line)
   Fail: (234) [system] char_type(c, end_of_line)
   Call: (234) [system] c=end_of_file
   Fail: (234) [system] c=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _682856)
   Call: (235) [system] get_char((0x558d99e6bec0), _683786)
   Exit: (235) [system] get_char((0x558d99e6bec0), k)
   Call: (235) [system] char_type(k, end_of_line)
   Fail: (235) [system] char_type(k, end_of_line)
   Call: (235) [system] k=end_of_file
   Fail: (235) [system] k=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _689356)
   Call: (236) [system] get_char((0x558d99e6bec0), _690286)
   Exit: (236) [system] get_char((0x558d99e6bec0), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Fail: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
   Fail: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _695856)
   Call: (237) [system] get_char((0x558d99e6bec0), _696786)
   Exit: (237) [system] get_char((0x558d99e6bec0), u)
   Call: (237) [system] char_type(u, end_of_line)
   Fail: (237) [system] char_type(u, end_of_line)
   Call: (237) [system] u=end_of_file
   Fail: (237) [system] u=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _702356)
   Call: (238) [system] get_char((0x558d99e6bec0), _703286)
   Exit: (238) [system] get_char((0x558d99e6bec0), p)
   Call: (238) [system] char_type(p, end_of_line)
   Fail: (238) [system] char_type(p, end_of_line)
   Call: (238) [system] p=end_of_file
   Fail: (238) [system] p=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _708856)
   Call: (239) [system] get_char((0x558d99e6bec0), _709786)
   Exit: (239) [system] get_char((0x558d99e6bec0), '\n')
   Call: (239) [system] char_type('\n', end_of_line)
   Exit: (239) [system] char_type('\n', end_of_line)
   Call: (239) [system] _708856=""
   Exit: (239) [system] ""=""
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (238) [system] string_concat(p, "", _702356)
   Exit: (238) [system] string_concat(p, "", "p")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "p")
   Call: (237) [system] string_concat(u, "p", _695856)
   Exit: (237) [system] string_concat(u, "p", "up")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "up")
   Call: (236) [system] string_concat(' ', "up", _689356)
   Exit: (236) [system] string_concat(' ', "up", " up")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), " up")
   Call: (235) [system] string_concat(k, " up", _682856)
   Exit: (235) [system] string_concat(k, " up", "k up")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "k up")
   Call: (234) [system] string_concat(c, "k up", _676356)
   Exit: (234) [system] string_concat(c, "k up", "ck up")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "ck up")
   Call: (233) [system] string_concat(i, "ck up", _669856)
   Exit: (233) [system] string_concat(i, "ck up", "ick up")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "ick up")
   Call: (232) [system] string_concat(p, "ick up", _663356)
   Exit: (232) [system] string_concat(p, "ick up", "pick up")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "pick up")
   Call: (231) [system] string_concat(' ', "pick up", _656856)
   Exit: (231) [system] string_concat(' ', "pick up", " pick up")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), " pick up")
   Call: (230) [system] string_concat(y, " pick up", _650356)
   Exit: (230) [system] string_concat(y, " pick up", "y pick up")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "y pick up")
   Call: (229) [system] string_concat(l, "y pick up", _643856)
   Exit: (229) [system] string_concat(l, "y pick up", "ly pick up")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "ly pick up")
   Call: (228) [system] string_concat(l, "ly pick up", _637356)
   Exit: (228) [system] string_concat(l, "ly pick up", "lly pick up")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "lly pick up")
   Call: (227) [system] string_concat(a, "lly pick up", _630856)
   Exit: (227) [system] string_concat(a, "lly pick up", "ally pick up")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "ally pick up")
   Call: (226) [system] string_concat(c, "ally pick up", _624356)
   Exit: (226) [system] string_concat(c, "ally pick up", "cally pick up")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "cally pick up")
   Call: (225) [system] string_concat(i, "cally pick up", _617856)
   Exit: (225) [system] string_concat(i, "cally pick up", "ically pick up")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "ically pick up")
   Call: (224) [system] string_concat(t, "ically pick up", _611356)
   Exit: (224) [system] string_concat(t, "ically pick up", "tically pick up")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "tically pick up")
   Call: (223) [system] string_concat(s, "tically pick up", _604856)
   Exit: (223) [system] string_concat(s, "tically pick up", "stically pick up")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "stically pick up")
   Call: (222) [system] string_concat(i, "stically pick up", _598356)
   Exit: (222) [system] string_concat(i, "stically pick up", "istically pick up")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "istically pick up")
   Call: (221) [system] string_concat(n, "istically pick up", _591856)
   Exit: (221) [system] string_concat(n, "istically pick up", "nistically pick up")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "nistically pick up")
   Call: (220) [system] string_concat(i, "nistically pick up", _585356)
   Exit: (220) [system] string_concat(i, "nistically pick up", "inistically pick up")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "inistically pick up")
   Call: (219) [system] string_concat(m, "inistically pick up", _578856)
   Exit: (219) [system] string_concat(m, "inistically pick up", "ministically pick up")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "ministically pick up")
   Call: (218) [system] string_concat(r, "ministically pick up", _572356)
   Exit: (218) [system] string_concat(r, "ministically pick up", "rministically pick up")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "rministically pick up")
   Call: (217) [system] string_concat(e, "rministically pick up", _565856)
   Exit: (217) [system] string_concat(e, "rministically pick up", "erministically pick up")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "erministically pick up")
   Call: (216) [system] string_concat(t, "erministically pick up", _559356)
   Exit: (216) [system] string_concat(t, "erministically pick up", "terministically pick up")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "terministically pick up")
   Call: (215) [system] string_concat(e, "terministically pick up", _552856)
   Exit: (215) [system] string_concat(e, "terministically pick up", "eterministically pick up")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "eterministically pick up")
   Call: (214) [system] string_concat(d, "eterministically pick up", _546356)
   Exit: (214) [system] string_concat(d, "eterministically pick up", "deterministically pick up")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "deterministically pick up")
   Call: (213) [system] string_concat(-, "deterministically pick up", _539856)
   Exit: (213) [system] string_concat(-, "deterministically pick up", "-deterministically pick up")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "-deterministically pick up")
   Call: (212) [system] string_concat(n, "-deterministically pick up", _533356)
   Exit: (212) [system] string_concat(n, "-deterministically pick up", "n-deterministically pick up")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "n-deterministically pick up")
   Call: (211) [system] string_concat(o, "n-deterministically pick up", _526856)
   Exit: (211) [system] string_concat(o, "n-deterministically pick up", "on-deterministically pick up")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "on-deterministically pick up")
   Call: (210) [system] string_concat(n, "on-deterministically pick up", _520356)
   Exit: (210) [system] string_concat(n, "on-deterministically pick up", "non-deterministically pick up")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "non-deterministically pick up")
   Call: (209) [system] string_concat(' ', "non-deterministically pick up", _513856)
   Exit: (209) [system] string_concat(' ', "non-deterministically pick up", " non-deterministically pick up")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), " non-deterministically pick up")
   Call: (208) [system] string_concat(o, " non-deterministically pick up", _507356)
   Exit: (208) [system] string_concat(o, " non-deterministically pick up", "o non-deterministically pick up")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "o non-deterministically pick up")
   Call: (207) [system] string_concat(t, "o non-deterministically pick up", _500856)
   Exit: (207) [system] string_concat(t, "o non-deterministically pick up", "to non-deterministically pick up")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "to non-deterministically pick up")
   Call: (206) [system] string_concat(' ', "to non-deterministically pick up", _494356)
   Exit: (206) [system] string_concat(' ', "to non-deterministically pick up", " to non-deterministically pick up")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), " to non-deterministically pick up")
   Call: (205) [system] string_concat('\t', " to non-deterministically pick up", _487856)
   Exit: (205) [system] string_concat('\t', " to non-deterministically pick up", "\t to non-deterministically pick up")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "\t to non-deterministically pick up")
   Call: (204) [system] string_concat('\t', "\t to non-deterministically pick up", _481356)
   Exit: (204) [system] string_concat('\t', "\t to non-deterministically pick up", "\t\t to non-deterministically pick up")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "\t\t to non-deterministically pick up")
   Call: (203) [system] string_concat(;, "\t\t to non-deterministically pick up", _474856)
   Exit: (203) [system] string_concat(;, "\t\t to non-deterministically pick up", ";\t\t to non-deterministically pick up")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), ";\t\t to non-deterministically pick up")
   Call: (202) [system] string_concat(;, ";\t\t to non-deterministically pick up", _468356)
   Exit: (202) [system] string_concat(;, ";\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), ";;\t\t to non-deterministically pick up")
^  Call: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (200) [user] read_comment((0x558d99e6bec0))
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _823696)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ;)
   Call: (201) [system] (;)=(;)
   Exit: (201) [system] (;)=(;)
^  Call: (201) [user] read_comment((0x558d99e6bec0))
^  Call: (202) [user] read_position((0x558d99e6bec0), _828334, _828336, _828338, _828340)
   Call: (203) [system] stream_property((0x558d99e6bec0), position(_828340))
   Call: (204) [system] nonvar((0x558d99e6bec0))
   Exit: (204) [system] nonvar((0x558d99e6bec0))
   Call: (204) [system] nonvar(position(_828340))
   Exit: (204) [system] nonvar(position(_828340))
   Exit: (203) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1098, 36, 0, 1098)))
   Call: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), _828334)
   Call: (204) [system] nonvar(line_count)
   Exit: (204) [system] nonvar(line_count)
   Call: (204) [$syspreds] stream_position_field(line_count, _837628)
   Exit: (204) [$syspreds] stream_position_field(line_count, 2)
   Call: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), _828334)
   Exit: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), 36)
   Exit: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), 36)
   Call: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), _828336)
   Call: (204) [system] nonvar(line_position)
   Exit: (204) [system] nonvar(line_position)
   Call: (204) [$syspreds] stream_position_field(line_position, _845062)
   Exit: (204) [$syspreds] stream_position_field(line_position, 3)
   Call: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), _828336)
   Exit: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), 0)
   Exit: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), 0)
   Call: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), _828338)
   Call: (204) [system] nonvar(char_count)
   Exit: (204) [system] nonvar(char_count)
   Call: (204) [$syspreds] stream_position_field(char_count, _852496)
   Exit: (204) [$syspreds] stream_position_field(char_count, 1)
   Call: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), _828338)
   Exit: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), 1098)
   Exit: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), 1098)
^  Exit: (202) [user] read_position((0x558d99e6bec0), 36, 0, 1098, '$stream_position'(1098, 36, 0, 1098))
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _858090)
   Call: (203) [system] get_char((0x558d99e6bec0), _859020)
   Exit: (203) [system] get_char((0x558d99e6bec0), ;)
   Call: (203) [system] char_type(;, end_of_line)
   Fail: (203) [system] char_type(;, end_of_line)
   Call: (203) [system] (;)=end_of_file
   Fail: (203) [system] (;)=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _864590)
   Call: (204) [system] get_char((0x558d99e6bec0), _865520)
   Exit: (204) [system] get_char((0x558d99e6bec0), ;)
   Call: (204) [system] char_type(;, end_of_line)
   Fail: (204) [system] char_type(;, end_of_line)
   Call: (204) [system] (;)=end_of_file
   Fail: (204) [system] (;)=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _871090)
   Call: (205) [system] get_char((0x558d99e6bec0), _872020)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Fail: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
   Fail: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _877590)
   Call: (206) [system] get_char((0x558d99e6bec0), _878520)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Fail: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
   Fail: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _884090)
   Call: (207) [system] get_char((0x558d99e6bec0), _885020)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _890590)
   Call: (208) [system] get_char((0x558d99e6bec0), _891520)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Fail: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
   Fail: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _897090)
   Call: (209) [system] get_char((0x558d99e6bec0), _898020)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Fail: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
   Fail: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _903590)
   Call: (210) [system] get_char((0x558d99e6bec0), _904520)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Fail: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
   Fail: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _910090)
   Call: (211) [system] get_char((0x558d99e6bec0), _911020)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _916590)
   Call: (212) [system] get_char((0x558d99e6bec0), _917520)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] char_type(n, end_of_line)
   Fail: (212) [system] char_type(n, end_of_line)
   Call: (212) [system] n=end_of_file
   Fail: (212) [system] n=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _923090)
   Call: (213) [system] get_char((0x558d99e6bec0), _924020)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _929590)
   Call: (214) [system] get_char((0x558d99e6bec0), _930520)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _936090)
   Call: (215) [system] get_char((0x558d99e6bec0), _937020)
   Exit: (215) [system] get_char((0x558d99e6bec0), x)
   Call: (215) [system] char_type(x, end_of_line)
   Fail: (215) [system] char_type(x, end_of_line)
   Call: (215) [system] x=end_of_file
   Fail: (215) [system] x=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _942590)
   Call: (216) [system] get_char((0x558d99e6bec0), _943520)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] char_type(i, end_of_line)
   Fail: (216) [system] char_type(i, end_of_line)
   Call: (216) [system] i=end_of_file
   Fail: (216) [system] i=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _949090)
   Call: (217) [system] get_char((0x558d99e6bec0), _950020)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] char_type(o, end_of_line)
   Fail: (217) [system] char_type(o, end_of_line)
   Call: (217) [system] o=end_of_file
   Fail: (217) [system] o=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _955590)
   Call: (218) [system] get_char((0x558d99e6bec0), _956520)
   Exit: (218) [system] get_char((0x558d99e6bec0), m)
   Call: (218) [system] char_type(m, end_of_line)
   Fail: (218) [system] char_type(m, end_of_line)
   Call: (218) [system] m=end_of_file
   Fail: (218) [system] m=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _962090)
   Call: (219) [system] get_char((0x558d99e6bec0), _963020)
   Exit: (219) [system] get_char((0x558d99e6bec0), '.')
   Call: (219) [system] char_type('.', end_of_line)
   Fail: (219) [system] char_type('.', end_of_line)
   Call: (219) [system] ('.')=end_of_file
   Fail: (219) [system] ('.')=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _968590)
   Call: (220) [system] get_char((0x558d99e6bec0), _969520)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
   Call: (220) [system] char_type(' ', end_of_line)
   Fail: (220) [system] char_type(' ', end_of_line)
   Call: (220) [system] ' '=end_of_file
   Fail: (220) [system] ' '=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _975090)
   Call: (221) [system] get_char((0x558d99e6bec0), _976020)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Fail: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
   Fail: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _981590)
   Call: (222) [system] get_char((0x558d99e6bec0), _982520)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'A')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _988090)
   Call: (223) [system] get_char((0x558d99e6bec0), _989020)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] char_type(n, end_of_line)
   Fail: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
   Fail: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _994590)
   Call: (224) [system] get_char((0x558d99e6bec0), _995520)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Fail: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
   Fail: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1001090)
   Call: (225) [system] get_char((0x558d99e6bec0), _1002020)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1007590)
   Call: (226) [system] get_char((0x558d99e6bec0), _1008520)
   Exit: (226) [system] get_char((0x558d99e6bec0), x)
   Call: (226) [system] char_type(x, end_of_line)
   Fail: (226) [system] char_type(x, end_of_line)
   Call: (226) [system] x=end_of_file
   Fail: (226) [system] x=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1014090)
   Call: (227) [system] get_char((0x558d99e6bec0), _1015020)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] char_type(i, end_of_line)
   Fail: (227) [system] char_type(i, end_of_line)
   Call: (227) [system] i=end_of_file
   Fail: (227) [system] i=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1020590)
   Call: (228) [system] get_char((0x558d99e6bec0), _1021520)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] char_type(o, end_of_line)
   Fail: (228) [system] char_type(o, end_of_line)
   Call: (228) [system] o=end_of_file
   Fail: (228) [system] o=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1027090)
   Call: (229) [system] get_char((0x558d99e6bec0), _1028020)
   Exit: (229) [system] get_char((0x558d99e6bec0), m)
   Call: (229) [system] char_type(m, end_of_line)
   Fail: (229) [system] char_type(m, end_of_line)
   Call: (229) [system] m=end_of_file
   Fail: (229) [system] m=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1033590)
   Call: (230) [system] get_char((0x558d99e6bec0), _1034520)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Fail: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
   Fail: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1040090)
   Call: (231) [system] get_char((0x558d99e6bec0), _1041020)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] char_type(i, end_of_line)
   Fail: (231) [system] char_type(i, end_of_line)
   Call: (231) [system] i=end_of_file
   Fail: (231) [system] i=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1046590)
   Call: (232) [system] get_char((0x558d99e6bec0), _1047520)
   Exit: (232) [system] get_char((0x558d99e6bec0), s)
   Call: (232) [system] char_type(s, end_of_line)
   Fail: (232) [system] char_type(s, end_of_line)
   Call: (232) [system] s=end_of_file
   Fail: (232) [system] s=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1053090)
   Call: (233) [system] get_char((0x558d99e6bec0), _1054020)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
   Call: (233) [system] char_type(' ', end_of_line)
   Fail: (233) [system] char_type(' ', end_of_line)
   Call: (233) [system] ' '=end_of_file
   Fail: (233) [system] ' '=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1059590)
   Call: (234) [system] get_char((0x558d99e6bec0), _1060520)
   Exit: (234) [system] get_char((0x558d99e6bec0), a)
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] a=end_of_file
   Fail: (234) [system] a=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1066090)
   Call: (235) [system] get_char((0x558d99e6bec0), _1067020)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] char_type(n, end_of_line)
   Fail: (235) [system] char_type(n, end_of_line)
   Call: (235) [system] n=end_of_file
   Fail: (235) [system] n=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1072590)
   Call: (236) [system] get_char((0x558d99e6bec0), _1073520)
   Exit: (236) [system] get_char((0x558d99e6bec0), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Fail: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
   Fail: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1079090)
   Call: (237) [system] get_char((0x558d99e6bec0), _1080020)
   Exit: (237) [system] get_char((0x558d99e6bec0), 'A')
   Call: (237) [system] char_type('A', end_of_line)
   Fail: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] 'A'=end_of_file
   Fail: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1085590)
   Call: (238) [system] get_char((0x558d99e6bec0), _1086520)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] char_type(t, end_of_line)
   Fail: (238) [system] char_type(t, end_of_line)
   Call: (238) [system] t=end_of_file
   Fail: (238) [system] t=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1092090)
   Call: (239) [system] get_char((0x558d99e6bec0), _1093020)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] char_type(o, end_of_line)
   Fail: (239) [system] char_type(o, end_of_line)
   Call: (239) [system] o=end_of_file
   Fail: (239) [system] o=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1098590)
   Call: (240) [system] get_char((0x558d99e6bec0), _1099520)
   Exit: (240) [system] get_char((0x558d99e6bec0), m)
   Call: (240) [system] char_type(m, end_of_line)
   Fail: (240) [system] char_type(m, end_of_line)
   Call: (240) [system] m=end_of_file
   Fail: (240) [system] m=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _1105090)
   Call: (241) [system] get_char((0x558d99e6bec0), _1106020)
   Exit: (241) [system] get_char((0x558d99e6bec0), ' ')
   Call: (241) [system] char_type(' ', end_of_line)
   Fail: (241) [system] char_type(' ', end_of_line)
   Call: (241) [system] ' '=end_of_file
   Fail: (241) [system] ' '=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _1111590)
   Call: (242) [system] get_char((0x558d99e6bec0), _1112520)
   Exit: (242) [system] get_char((0x558d99e6bec0), o)
   Call: (242) [system] char_type(o, end_of_line)
   Fail: (242) [system] char_type(o, end_of_line)
   Call: (242) [system] o=end_of_file
   Fail: (242) [system] o=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _1118090)
   Call: (243) [system] get_char((0x558d99e6bec0), _1119020)
   Exit: (243) [system] get_char((0x558d99e6bec0), f)
   Call: (243) [system] char_type(f, end_of_line)
   Fail: (243) [system] char_type(f, end_of_line)
   Call: (243) [system] f=end_of_file
   Fail: (243) [system] f=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _1124590)
   Call: (244) [system] get_char((0x558d99e6bec0), _1125520)
   Exit: (244) [system] get_char((0x558d99e6bec0), ' ')
   Call: (244) [system] char_type(' ', end_of_line)
   Fail: (244) [system] char_type(' ', end_of_line)
   Call: (244) [system] ' '=end_of_file
   Fail: (244) [system] ' '=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _1131090)
   Call: (245) [system] get_char((0x558d99e6bec0), _1132020)
   Exit: (245) [system] get_char((0x558d99e6bec0), t)
   Call: (245) [system] char_type(t, end_of_line)
   Fail: (245) [system] char_type(t, end_of_line)
   Call: (245) [system] t=end_of_file
   Fail: (245) [system] t=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _1137590)
   Call: (246) [system] get_char((0x558d99e6bec0), _1138520)
   Exit: (246) [system] get_char((0x558d99e6bec0), h)
   Call: (246) [system] char_type(h, end_of_line)
   Fail: (246) [system] char_type(h, end_of_line)
   Call: (246) [system] h=end_of_file
   Fail: (246) [system] h=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _1144090)
   Call: (247) [system] get_char((0x558d99e6bec0), _1145020)
   Exit: (247) [system] get_char((0x558d99e6bec0), e)
   Call: (247) [system] char_type(e, end_of_line)
   Fail: (247) [system] char_type(e, end_of_line)
   Call: (247) [system] e=end_of_file
   Fail: (247) [system] e=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _1150590)
   Call: (248) [system] get_char((0x558d99e6bec0), _1151520)
   Exit: (248) [system] get_char((0x558d99e6bec0), ' ')
   Call: (248) [system] char_type(' ', end_of_line)
   Fail: (248) [system] char_type(' ', end_of_line)
   Call: (248) [system] ' '=end_of_file
   Fail: (248) [system] ' '=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _1157090)
   Call: (249) [system] get_char((0x558d99e6bec0), _1158020)
   Exit: (249) [system] get_char((0x558d99e6bec0), f)
   Call: (249) [system] char_type(f, end_of_line)
   Fail: (249) [system] char_type(f, end_of_line)
   Call: (249) [system] f=end_of_file
   Fail: (249) [system] f=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _1163590)
   Call: (250) [system] get_char((0x558d99e6bec0), _1164520)
   Exit: (250) [system] get_char((0x558d99e6bec0), o)
   Call: (250) [system] char_type(o, end_of_line)
   Fail: (250) [system] char_type(o, end_of_line)
   Call: (250) [system] o=end_of_file
   Fail: (250) [system] o=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _1170090)
   Call: (251) [system] get_char((0x558d99e6bec0), _1171020)
   Exit: (251) [system] get_char((0x558d99e6bec0), r)
   Call: (251) [system] char_type(r, end_of_line)
   Fail: (251) [system] char_type(r, end_of_line)
   Call: (251) [system] r=end_of_file
   Fail: (251) [system] r=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _1176590)
   Call: (252) [system] get_char((0x558d99e6bec0), _1177520)
   Exit: (252) [system] get_char((0x558d99e6bec0), m)
   Call: (252) [system] char_type(m, end_of_line)
   Fail: (252) [system] char_type(m, end_of_line)
   Call: (252) [system] m=end_of_file
   Fail: (252) [system] m=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _1183090)
   Call: (253) [system] get_char((0x558d99e6bec0), _1184020)
   Exit: (253) [system] get_char((0x558d99e6bec0), ' ')
   Call: (253) [system] char_type(' ', end_of_line)
   Fail: (253) [system] char_type(' ', end_of_line)
   Call: (253) [system] ' '=end_of_file
   Fail: (253) [system] ' '=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _1189590)
   Call: (254) [system] get_char((0x558d99e6bec0), _1190520)
   Exit: (254) [system] get_char((0x558d99e6bec0), '(')
   Call: (254) [system] char_type('(', end_of_line)
   Fail: (254) [system] char_type('(', end_of_line)
   Call: (254) [system] '('=end_of_file
   Fail: (254) [system] '('=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _1196090)
   Call: (255) [system] get_char((0x558d99e6bec0), _1197020)
   Exit: (255) [system] get_char((0x558d99e6bec0), :)
   Call: (255) [system] char_type(:, end_of_line)
   Fail: (255) [system] char_type(:, end_of_line)
   Call: (255) [system] (:)=end_of_file
   Fail: (255) [system] (:)=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _1202590)
   Call: (256) [system] get_char((0x558d99e6bec0), _1203520)
   Exit: (256) [system] get_char((0x558d99e6bec0), ' ')
   Call: (256) [system] char_type(' ', end_of_line)
   Fail: (256) [system] char_type(' ', end_of_line)
   Call: (256) [system] ' '=end_of_file
   Fail: (256) [system] ' '=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _1209090)
   Call: (257) [system] get_char((0x558d99e6bec0), _1210020)
   Exit: (257) [system] get_char((0x558d99e6bec0), 'T')
   Call: (257) [system] char_type('T', end_of_line)
   Fail: (257) [system] char_type('T', end_of_line)
   Call: (257) [system] 'T'=end_of_file
   Fail: (257) [system] 'T'=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _1215590)
   Call: (258) [system] get_char((0x558d99e6bec0), _1216520)
   Exit: (258) [system] get_char((0x558d99e6bec0), 'E')
   Call: (258) [system] char_type('E', end_of_line)
   Fail: (258) [system] char_type('E', end_of_line)
   Call: (258) [system] 'E'=end_of_file
   Fail: (258) [system] 'E'=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _1222090)
   Call: (259) [system] get_char((0x558d99e6bec0), _1223020)
   Exit: (259) [system] get_char((0x558d99e6bec0), 'R')
   Call: (259) [system] char_type('R', end_of_line)
   Fail: (259) [system] char_type('R', end_of_line)
   Call: (259) [system] 'R'=end_of_file
   Fail: (259) [system] 'R'=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _1228590)
   Call: (260) [system] get_char((0x558d99e6bec0), _1229520)
   Exit: (260) [system] get_char((0x558d99e6bec0), 'M')
   Call: (260) [system] char_type('M', end_of_line)
   Fail: (260) [system] char_type('M', end_of_line)
   Call: (260) [system] 'M'=end_of_file
   Fail: (260) [system] 'M'=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _1235090)
   Call: (261) [system] get_char((0x558d99e6bec0), _1236020)
   Exit: (261) [system] get_char((0x558d99e6bec0), ' ')
   Call: (261) [system] char_type(' ', end_of_line)
   Fail: (261) [system] char_type(' ', end_of_line)
   Call: (261) [system] ' '=end_of_file
   Fail: (261) [system] ' '=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _1241590)
   Call: (262) [system] get_char((0x558d99e6bec0), _1242520)
   Exit: (262) [system] get_char((0x558d99e6bec0), 'T')
   Call: (262) [system] char_type('T', end_of_line)
   Fail: (262) [system] char_type('T', end_of_line)
   Call: (262) [system] 'T'=end_of_file
   Fail: (262) [system] 'T'=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _1248090)
   Call: (263) [system] get_char((0x558d99e6bec0), _1249020)
   Exit: (263) [system] get_char((0x558d99e6bec0), 'Y')
   Call: (263) [system] char_type('Y', end_of_line)
   Fail: (263) [system] char_type('Y', end_of_line)
   Call: (263) [system] 'Y'=end_of_file
   Fail: (263) [system] 'Y'=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _1254590)
   Call: (264) [system] get_char((0x558d99e6bec0), _1255520)
   Exit: (264) [system] get_char((0x558d99e6bec0), 'P')
   Call: (264) [system] char_type('P', end_of_line)
   Fail: (264) [system] char_type('P', end_of_line)
   Call: (264) [system] 'P'=end_of_file
   Fail: (264) [system] 'P'=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _1261090)
   Call: (265) [system] get_char((0x558d99e6bec0), _1262020)
   Exit: (265) [system] get_char((0x558d99e6bec0), 'E')
   Call: (265) [system] char_type('E', end_of_line)
   Fail: (265) [system] char_type('E', end_of_line)
   Call: (265) [system] 'E'=end_of_file
   Fail: (265) [system] 'E'=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _1267590)
   Call: (266) [system] get_char((0x558d99e6bec0), _1268520)
   Exit: (266) [system] get_char((0x558d99e6bec0), ')')
   Call: (266) [system] char_type(')', end_of_line)
   Fail: (266) [system] char_type(')', end_of_line)
   Call: (266) [system] ')'=end_of_file
   Fail: (266) [system] ')'=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _1274090)
   Call: (267) [system] get_char((0x558d99e6bec0), _1275020)
   Exit: (267) [system] get_char((0x558d99e6bec0), '.')
   Call: (267) [system] char_type('.', end_of_line)
   Fail: (267) [system] char_type('.', end_of_line)
   Call: (267) [system] ('.')=end_of_file
   Fail: (267) [system] ('.')=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _1280590)
   Call: (268) [system] get_char((0x558d99e6bec0), _1281520)
   Exit: (268) [system] get_char((0x558d99e6bec0), '\n')
   Call: (268) [system] char_type('\n', end_of_line)
   Exit: (268) [system] char_type('\n', end_of_line)
   Call: (268) [system] _1280590=""
   Exit: (268) [system] ""=""
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (267) [system] string_concat('.', "", _1274090)
   Exit: (267) [system] string_concat('.', "", ".")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), ".")
   Call: (266) [system] string_concat(')', ".", _1267590)
   Exit: (266) [system] string_concat(')', ".", ").")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), ").")
   Call: (265) [system] string_concat('E', ").", _1261090)
   Exit: (265) [system] string_concat('E', ").", "E).")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), "E).")
   Call: (264) [system] string_concat('P', "E).", _1254590)
   Exit: (264) [system] string_concat('P', "E).", "PE).")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "PE).")
   Call: (263) [system] string_concat('Y', "PE).", _1248090)
   Exit: (263) [system] string_concat('Y', "PE).", "YPE).")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "YPE).")
   Call: (262) [system] string_concat('T', "YPE).", _1241590)
   Exit: (262) [system] string_concat('T', "YPE).", "TYPE).")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "TYPE).")
   Call: (261) [system] string_concat(' ', "TYPE).", _1235090)
   Exit: (261) [system] string_concat(' ', "TYPE).", " TYPE).")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), " TYPE).")
   Call: (260) [system] string_concat('M', " TYPE).", _1228590)
   Exit: (260) [system] string_concat('M', " TYPE).", "M TYPE).")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "M TYPE).")
   Call: (259) [system] string_concat('R', "M TYPE).", _1222090)
   Exit: (259) [system] string_concat('R', "M TYPE).", "RM TYPE).")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "RM TYPE).")
   Call: (258) [system] string_concat('E', "RM TYPE).", _1215590)
   Exit: (258) [system] string_concat('E', "RM TYPE).", "ERM TYPE).")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "ERM TYPE).")
   Call: (257) [system] string_concat('T', "ERM TYPE).", _1209090)
   Exit: (257) [system] string_concat('T', "ERM TYPE).", "TERM TYPE).")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "TERM TYPE).")
   Call: (256) [system] string_concat(' ', "TERM TYPE).", _1202590)
   Exit: (256) [system] string_concat(' ', "TERM TYPE).", " TERM TYPE).")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), " TERM TYPE).")
   Call: (255) [system] string_concat(:, " TERM TYPE).", _1196090)
   Exit: (255) [system] string_concat(:, " TERM TYPE).", ": TERM TYPE).")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), ": TERM TYPE).")
   Call: (254) [system] string_concat('(', ": TERM TYPE).", _1189590)
   Exit: (254) [system] string_concat('(', ": TERM TYPE).", "(: TERM TYPE).")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "(: TERM TYPE).")
   Call: (253) [system] string_concat(' ', "(: TERM TYPE).", _1183090)
   Exit: (253) [system] string_concat(' ', "(: TERM TYPE).", " (: TERM TYPE).")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), " (: TERM TYPE).")
   Call: (252) [system] string_concat(m, " (: TERM TYPE).", _1176590)
   Exit: (252) [system] string_concat(m, " (: TERM TYPE).", "m (: TERM TYPE).")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "m (: TERM TYPE).")
   Call: (251) [system] string_concat(r, "m (: TERM TYPE).", _1170090)
   Exit: (251) [system] string_concat(r, "m (: TERM TYPE).", "rm (: TERM TYPE).")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "rm (: TERM TYPE).")
   Call: (250) [system] string_concat(o, "rm (: TERM TYPE).", _1163590)
   Exit: (250) [system] string_concat(o, "rm (: TERM TYPE).", "orm (: TERM TYPE).")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "orm (: TERM TYPE).")
   Call: (249) [system] string_concat(f, "orm (: TERM TYPE).", _1157090)
   Exit: (249) [system] string_concat(f, "orm (: TERM TYPE).", "form (: TERM TYPE).")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "form (: TERM TYPE).")
   Call: (248) [system] string_concat(' ', "form (: TERM TYPE).", _1150590)
   Exit: (248) [system] string_concat(' ', "form (: TERM TYPE).", " form (: TERM TYPE).")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), " form (: TERM TYPE).")
   Call: (247) [system] string_concat(e, " form (: TERM TYPE).", _1144090)
   Exit: (247) [system] string_concat(e, " form (: TERM TYPE).", "e form (: TERM TYPE).")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "e form (: TERM TYPE).")
   Call: (246) [system] string_concat(h, "e form (: TERM TYPE).", _1137590)
   Exit: (246) [system] string_concat(h, "e form (: TERM TYPE).", "he form (: TERM TYPE).")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "he form (: TERM TYPE).")
   Call: (245) [system] string_concat(t, "he form (: TERM TYPE).", _1131090)
   Exit: (245) [system] string_concat(t, "he form (: TERM TYPE).", "the form (: TERM TYPE).")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "the form (: TERM TYPE).")
   Call: (244) [system] string_concat(' ', "the form (: TERM TYPE).", _1124590)
   Exit: (244) [system] string_concat(' ', "the form (: TERM TYPE).", " the form (: TERM TYPE).")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), " the form (: TERM TYPE).")
   Call: (243) [system] string_concat(f, " the form (: TERM TYPE).", _1118090)
   Exit: (243) [system] string_concat(f, " the form (: TERM TYPE).", "f the form (: TERM TYPE).")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "f the form (: TERM TYPE).")
   Call: (242) [system] string_concat(o, "f the form (: TERM TYPE).", _1111590)
   Exit: (242) [system] string_concat(o, "f the form (: TERM TYPE).", "of the form (: TERM TYPE).")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "of the form (: TERM TYPE).")
   Call: (241) [system] string_concat(' ', "of the form (: TERM TYPE).", _1105090)
   Exit: (241) [system] string_concat(' ', "of the form (: TERM TYPE).", " of the form (: TERM TYPE).")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), " of the form (: TERM TYPE).")
   Call: (240) [system] string_concat(m, " of the form (: TERM TYPE).", _1098590)
   Exit: (240) [system] string_concat(m, " of the form (: TERM TYPE).", "m of the form (: TERM TYPE).")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "m of the form (: TERM TYPE).")
   Call: (239) [system] string_concat(o, "m of the form (: TERM TYPE).", _1092090)
   Exit: (239) [system] string_concat(o, "m of the form (: TERM TYPE).", "om of the form (: TERM TYPE).")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "om of the form (: TERM TYPE).")
   Call: (238) [system] string_concat(t, "om of the form (: TERM TYPE).", _1085590)
   Exit: (238) [system] string_concat(t, "om of the form (: TERM TYPE).", "tom of the form (: TERM TYPE).")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "tom of the form (: TERM TYPE).")
   Call: (237) [system] string_concat('A', "tom of the form (: TERM TYPE).", _1079090)
   Exit: (237) [system] string_concat('A', "tom of the form (: TERM TYPE).", "Atom of the form (: TERM TYPE).")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "Atom of the form (: TERM TYPE).")
   Call: (236) [system] string_concat(' ', "Atom of the form (: TERM TYPE).", _1072590)
   Exit: (236) [system] string_concat(' ', "Atom of the form (: TERM TYPE).", " Atom of the form (: TERM TYPE).")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), " Atom of the form (: TERM TYPE).")
   Call: (235) [system] string_concat(n, " Atom of the form (: TERM TYPE).", _1066090)
   Exit: (235) [system] string_concat(n, " Atom of the form (: TERM TYPE).", "n Atom of the form (: TERM TYPE).")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "n Atom of the form (: TERM TYPE).")
   Call: (234) [system] string_concat(a, "n Atom of the form (: TERM TYPE).", _1059590)
   Exit: (234) [system] string_concat(a, "n Atom of the form (: TERM TYPE).", "an Atom of the form (: TERM TYPE).")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "an Atom of the form (: TERM TYPE).")
   Call: (233) [system] string_concat(' ', "an Atom of the form (: TERM TYPE).", _1053090)
   Exit: (233) [system] string_concat(' ', "an Atom of the form (: TERM TYPE).", " an Atom of the form (: TERM TYPE).")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), " an Atom of the form (: TERM TYPE).")
   Call: (232) [system] string_concat(s, " an Atom of the form (: TERM TYPE).", _1046590)
   Exit: (232) [system] string_concat(s, " an Atom of the form (: TERM TYPE).", "s an Atom of the form (: TERM TYPE).")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "s an Atom of the form (: TERM TYPE).")
   Call: (231) [system] string_concat(i, "s an Atom of the form (: TERM TYPE).", _1040090)
   Exit: (231) [system] string_concat(i, "s an Atom of the form (: TERM TYPE).", "is an Atom of the form (: TERM TYPE).")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "is an Atom of the form (: TERM TYPE).")
   Call: (230) [system] string_concat(' ', "is an Atom of the form (: TERM TYPE).", _1033590)
   Exit: (230) [system] string_concat(' ', "is an Atom of the form (: TERM TYPE).", " is an Atom of the form (: TERM TYPE).")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), " is an Atom of the form (: TERM TYPE).")
   Call: (229) [system] string_concat(m, " is an Atom of the form (: TERM TYPE).", _1027090)
   Exit: (229) [system] string_concat(m, " is an Atom of the form (: TERM TYPE).", "m is an Atom of the form (: TERM TYPE).")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "m is an Atom of the form (: TERM TYPE).")
   Call: (228) [system] string_concat(o, "m is an Atom of the form (: TERM TYPE).", _1020590)
   Exit: (228) [system] string_concat(o, "m is an Atom of the form (: TERM TYPE).", "om is an Atom of the form (: TERM TYPE).")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "om is an Atom of the form (: TERM TYPE).")
   Call: (227) [system] string_concat(i, "om is an Atom of the form (: TERM TYPE).", _1014090)
   Exit: (227) [system] string_concat(i, "om is an Atom of the form (: TERM TYPE).", "iom is an Atom of the form (: TERM TYPE).")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "iom is an Atom of the form (: TERM TYPE).")
   Call: (226) [system] string_concat(x, "iom is an Atom of the form (: TERM TYPE).", _1007590)
   Exit: (226) [system] string_concat(x, "iom is an Atom of the form (: TERM TYPE).", "xiom is an Atom of the form (: TERM TYPE).")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "xiom is an Atom of the form (: TERM TYPE).")
   Call: (225) [system] string_concat(a, "xiom is an Atom of the form (: TERM TYPE).", _1001090)
   Exit: (225) [system] string_concat(a, "xiom is an Atom of the form (: TERM TYPE).", "axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "axiom is an Atom of the form (: TERM TYPE).")
   Call: (224) [system] string_concat(' ', "axiom is an Atom of the form (: TERM TYPE).", _994590)
   Exit: (224) [system] string_concat(' ', "axiom is an Atom of the form (: TERM TYPE).", " axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), " axiom is an Atom of the form (: TERM TYPE).")
   Call: (223) [system] string_concat(n, " axiom is an Atom of the form (: TERM TYPE).", _988090)
   Exit: (223) [system] string_concat(n, " axiom is an Atom of the form (: TERM TYPE).", "n axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "n axiom is an Atom of the form (: TERM TYPE).")
   Call: (222) [system] string_concat('A', "n axiom is an Atom of the form (: TERM TYPE).", _981590)
   Exit: (222) [system] string_concat('A', "n axiom is an Atom of the form (: TERM TYPE).", "An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "An axiom is an Atom of the form (: TERM TYPE).")
   Call: (221) [system] string_concat(' ', "An axiom is an Atom of the form (: TERM TYPE).", _975090)
   Exit: (221) [system] string_concat(' ', "An axiom is an Atom of the form (: TERM TYPE).", " An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), " An axiom is an Atom of the form (: TERM TYPE).")
   Call: (220) [system] string_concat(' ', " An axiom is an Atom of the form (: TERM TYPE).", _968590)
   Exit: (220) [system] string_concat(' ', " An axiom is an Atom of the form (: TERM TYPE).", "  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (219) [system] string_concat('.', "  An axiom is an Atom of the form (: TERM TYPE).", _962090)
   Exit: (219) [system] string_concat('.', "  An axiom is an Atom of the form (: TERM TYPE).", ".  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), ".  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (218) [system] string_concat(m, ".  An axiom is an Atom of the form (: TERM TYPE).", _955590)
   Exit: (218) [system] string_concat(m, ".  An axiom is an Atom of the form (: TERM TYPE).", "m.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "m.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (217) [system] string_concat(o, "m.  An axiom is an Atom of the form (: TERM TYPE).", _949090)
   Exit: (217) [system] string_concat(o, "m.  An axiom is an Atom of the form (: TERM TYPE).", "om.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "om.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (216) [system] string_concat(i, "om.  An axiom is an Atom of the form (: TERM TYPE).", _942590)
   Exit: (216) [system] string_concat(i, "om.  An axiom is an Atom of the form (: TERM TYPE).", "iom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "iom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (215) [system] string_concat(x, "iom.  An axiom is an Atom of the form (: TERM TYPE).", _936090)
   Exit: (215) [system] string_concat(x, "iom.  An axiom is an Atom of the form (: TERM TYPE).", "xiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "xiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (214) [system] string_concat(a, "xiom.  An axiom is an Atom of the form (: TERM TYPE).", _929590)
   Exit: (214) [system] string_concat(a, "xiom.  An axiom is an Atom of the form (: TERM TYPE).", "axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (213) [system] string_concat(' ', "axiom.  An axiom is an Atom of the form (: TERM TYPE).", _923090)
   Exit: (213) [system] string_concat(' ', "axiom.  An axiom is an Atom of the form (: TERM TYPE).", " axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), " axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (212) [system] string_concat(n, " axiom.  An axiom is an Atom of the form (: TERM TYPE).", _916590)
   Exit: (212) [system] string_concat(n, " axiom.  An axiom is an Atom of the form (: TERM TYPE).", "n axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "n axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (211) [system] string_concat(a, "n axiom.  An axiom is an Atom of the form (: TERM TYPE).", _910090)
   Exit: (211) [system] string_concat(a, "n axiom.  An axiom is an Atom of the form (: TERM TYPE).", "an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (210) [system] string_concat(' ', "an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _903590)
   Exit: (210) [system] string_concat(' ', "an axiom.  An axiom is an Atom of the form (: TERM TYPE).", " an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), " an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (209) [system] string_concat(' ', " an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _897090)
   Exit: (209) [system] string_concat(' ', " an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (208) [system] string_concat(' ', "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _890590)
   Exit: (208) [system] string_concat(' ', "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (207) [system] string_concat(' ', "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _884090)
   Exit: (207) [system] string_concat(' ', "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (206) [system] string_concat(' ', "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _877590)
   Exit: (206) [system] string_concat(' ', "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (205) [system] string_concat(' ', "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _871090)
   Exit: (205) [system] string_concat(' ', "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (204) [system] string_concat(;, "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _864590)
   Exit: (204) [system] string_concat(;, "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (203) [system] string_concat(;, ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _858090)
   Exit: (203) [system] string_concat(;, ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (201) [user] read_comment((0x558d99e6bec0))
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1474118)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ;)
   Call: (202) [system] (;)=(;)
   Exit: (202) [system] (;)=(;)
^  Call: (202) [user] read_comment((0x558d99e6bec0))
^  Call: (203) [user] read_position((0x558d99e6bec0), _1478756, _1478758, _1478760, _1478762)
   Call: (204) [system] stream_property((0x558d99e6bec0), position(_1478762))
   Call: (205) [system] nonvar((0x558d99e6bec0))
   Exit: (205) [system] nonvar((0x558d99e6bec0))
   Call: (205) [system] nonvar(position(_1478762))
   Exit: (205) [system] nonvar(position(_1478762))
   Exit: (204) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1164, 37, 0, 1164)))
   Call: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), _1478756)
   Call: (205) [system] nonvar(line_count)
   Exit: (205) [system] nonvar(line_count)
   Call: (205) [$syspreds] stream_position_field(line_count, _1488050)
   Exit: (205) [$syspreds] stream_position_field(line_count, 2)
   Call: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), _1478756)
   Exit: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), 37)
   Exit: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), 37)
   Call: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), _1478758)
   Call: (205) [system] nonvar(line_position)
   Exit: (205) [system] nonvar(line_position)
   Call: (205) [$syspreds] stream_position_field(line_position, _1495484)
   Exit: (205) [$syspreds] stream_position_field(line_position, 3)
   Call: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), _1478758)
   Exit: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), 0)
   Exit: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), 0)
   Call: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), _1478760)
   Call: (205) [system] nonvar(char_count)
   Exit: (205) [system] nonvar(char_count)
   Call: (205) [$syspreds] stream_position_field(char_count, _1502918)
   Exit: (205) [$syspreds] stream_position_field(char_count, 1)
   Call: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), _1478760)
   Exit: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), 1164)
   Exit: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), 1164)
^  Exit: (203) [user] read_position((0x558d99e6bec0), 37, 0, 1164, '$stream_position'(1164, 37, 0, 1164))
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1508512)
   Call: (204) [system] get_char((0x558d99e6bec0), _1509442)
   Exit: (204) [system] get_char((0x558d99e6bec0), ;)
   Call: (204) [system] char_type(;, end_of_line)
   Fail: (204) [system] char_type(;, end_of_line)
   Call: (204) [system] (;)=end_of_file
   Fail: (204) [system] (;)=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1515012)
   Call: (205) [system] get_char((0x558d99e6bec0), _1515942)
   Exit: (205) [system] get_char((0x558d99e6bec0), ;)
   Call: (205) [system] char_type(;, end_of_line)
   Fail: (205) [system] char_type(;, end_of_line)
   Call: (205) [system] (;)=end_of_file
   Fail: (205) [system] (;)=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1521512)
   Call: (206) [system] get_char((0x558d99e6bec0), _1522442)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\n')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
   Call: (206) [system] _1521512=""
   Exit: (206) [system] ""=""
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (205) [system] string_concat(;, "", _1515012)
   Exit: (205) [system] string_concat(;, "", ";")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), ";")
   Call: (204) [system] string_concat(;, ";", _1508512)
   Exit: (204) [system] string_concat(;, ";", ";;")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), ";;")
^  Call: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (202) [user] read_comment((0x558d99e6bec0))
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1538270)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ;)
   Call: (203) [system] (;)=(;)
   Exit: (203) [system] (;)=(;)
^  Call: (203) [user] read_comment((0x558d99e6bec0))
^  Call: (204) [user] read_position((0x558d99e6bec0), _1542908, _1542910, _1542912, _1542914)
   Call: (205) [system] stream_property((0x558d99e6bec0), position(_1542914))
   Call: (206) [system] nonvar((0x558d99e6bec0))
   Exit: (206) [system] nonvar((0x558d99e6bec0))
   Call: (206) [system] nonvar(position(_1542914))
   Exit: (206) [system] nonvar(position(_1542914))
   Exit: (205) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1167, 38, 0, 1167)))
   Call: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), _1542908)
   Call: (206) [system] nonvar(line_count)
   Exit: (206) [system] nonvar(line_count)
   Call: (206) [$syspreds] stream_position_field(line_count, _1552202)
   Exit: (206) [$syspreds] stream_position_field(line_count, 2)
   Call: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), _1542908)
   Exit: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), 38)
   Exit: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), 38)
   Call: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), _1542910)
   Call: (206) [system] nonvar(line_position)
   Exit: (206) [system] nonvar(line_position)
   Call: (206) [$syspreds] stream_position_field(line_position, _1559636)
   Exit: (206) [$syspreds] stream_position_field(line_position, 3)
   Call: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), _1542910)
   Exit: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), 0)
   Exit: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), 0)
   Call: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), _1542912)
   Call: (206) [system] nonvar(char_count)
   Exit: (206) [system] nonvar(char_count)
   Call: (206) [$syspreds] stream_position_field(char_count, _1567070)
   Exit: (206) [$syspreds] stream_position_field(char_count, 1)
   Call: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), _1542912)
   Exit: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), 1167)
   Exit: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), 1167)
^  Exit: (204) [user] read_position((0x558d99e6bec0), 38, 0, 1167, '$stream_position'(1167, 38, 0, 1167))
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1572664)
   Call: (205) [system] get_char((0x558d99e6bec0), _1573594)
   Exit: (205) [system] get_char((0x558d99e6bec0), ;)
   Call: (205) [system] char_type(;, end_of_line)
   Fail: (205) [system] char_type(;, end_of_line)
   Call: (205) [system] (;)=end_of_file
   Fail: (205) [system] (;)=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1579164)
   Call: (206) [system] get_char((0x558d99e6bec0), _1580094)
   Exit: (206) [system] get_char((0x558d99e6bec0), ;)
   Call: (206) [system] char_type(;, end_of_line)
   Fail: (206) [system] char_type(;, end_of_line)
   Call: (206) [system] (;)=end_of_file
   Fail: (206) [system] (;)=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1585664)
   Call: (207) [system] get_char((0x558d99e6bec0), _1586594)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Fail: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
   Fail: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1592164)
   Call: (208) [system] get_char((0x558d99e6bec0), _1593094)
   Exit: (208) [system] get_char((0x558d99e6bec0), $)
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] ($)=end_of_file
   Fail: (208) [system] ($)=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1598664)
   Call: (209) [system] get_char((0x558d99e6bec0), _1599594)
   Exit: (209) [system] get_char((0x558d99e6bec0), r)
   Call: (209) [system] char_type(r, end_of_line)
   Fail: (209) [system] char_type(r, end_of_line)
   Call: (209) [system] r=end_of_file
   Fail: (209) [system] r=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1605164)
   Call: (210) [system] get_char((0x558d99e6bec0), _1606094)
   Exit: (210) [system] get_char((0x558d99e6bec0), b)
   Call: (210) [system] char_type(b, end_of_line)
   Fail: (210) [system] char_type(b, end_of_line)
   Call: (210) [system] b=end_of_file
   Fail: (210) [system] b=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1611664)
   Call: (211) [system] get_char((0x558d99e6bec0), _1612594)
   Exit: (211) [system] get_char((0x558d99e6bec0), :)
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1618164)
   Call: (212) [system] get_char((0x558d99e6bec0), _1619094)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Fail: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
   Fail: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1624664)
   Call: (213) [system] get_char((0x558d99e6bec0), _1625594)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1631164)
   Call: (214) [system] get_char((0x558d99e6bec0), _1632094)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Fail: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
   Fail: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1637664)
   Call: (215) [system] get_char((0x558d99e6bec0), _1638594)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] char_type(n, end_of_line)
   Fail: (215) [system] char_type(n, end_of_line)
   Call: (215) [system] n=end_of_file
   Fail: (215) [system] n=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1644164)
   Call: (216) [system] get_char((0x558d99e6bec0), _1645094)
   Exit: (216) [system] get_char((0x558d99e6bec0), u)
   Call: (216) [system] char_type(u, end_of_line)
   Fail: (216) [system] char_type(u, end_of_line)
   Call: (216) [system] u=end_of_file
   Fail: (216) [system] u=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1650664)
   Call: (217) [system] get_char((0x558d99e6bec0), _1651594)
   Exit: (217) [system] get_char((0x558d99e6bec0), l)
   Call: (217) [system] char_type(l, end_of_line)
   Fail: (217) [system] char_type(l, end_of_line)
   Call: (217) [system] l=end_of_file
   Fail: (217) [system] l=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1657164)
   Call: (218) [system] get_char((0x558d99e6bec0), _1658094)
   Exit: (218) [system] get_char((0x558d99e6bec0), l)
   Call: (218) [system] char_type(l, end_of_line)
   Fail: (218) [system] char_type(l, end_of_line)
   Call: (218) [system] l=end_of_file
   Fail: (218) [system] l=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1663664)
   Call: (219) [system] get_char((0x558d99e6bec0), _1664594)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1670164)
   Call: (220) [system] get_char((0x558d99e6bec0), _1671094)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] char_type(r, end_of_line)
   Fail: (220) [system] char_type(r, end_of_line)
   Call: (220) [system] r=end_of_file
   Fail: (220) [system] r=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1676664)
   Call: (221) [system] get_char((0x558d99e6bec0), _1677594)
   Exit: (221) [system] get_char((0x558d99e6bec0), y)
   Call: (221) [system] char_type(y, end_of_line)
   Fail: (221) [system] char_type(y, end_of_line)
   Call: (221) [system] y=end_of_file
   Fail: (221) [system] y=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1683164)
   Call: (222) [system] get_char((0x558d99e6bec0), _1684094)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Fail: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
   Fail: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1689664)
   Call: (223) [system] get_char((0x558d99e6bec0), _1690594)
   Exit: (223) [system] get_char((0x558d99e6bec0), f)
   Call: (223) [system] char_type(f, end_of_line)
   Fail: (223) [system] char_type(f, end_of_line)
   Call: (223) [system] f=end_of_file
   Fail: (223) [system] f=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1696164)
   Call: (224) [system] get_char((0x558d99e6bec0), _1697094)
   Exit: (224) [system] get_char((0x558d99e6bec0), u)
   Call: (224) [system] char_type(u, end_of_line)
   Fail: (224) [system] char_type(u, end_of_line)
   Call: (224) [system] u=end_of_file
   Fail: (224) [system] u=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1702664)
   Call: (225) [system] get_char((0x558d99e6bec0), _1703594)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] char_type(n, end_of_line)
   Fail: (225) [system] char_type(n, end_of_line)
   Call: (225) [system] n=end_of_file
   Fail: (225) [system] n=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1709164)
   Call: (226) [system] get_char((0x558d99e6bec0), _1710094)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] char_type(c, end_of_line)
   Fail: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] c=end_of_file
   Fail: (226) [system] c=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1715664)
   Call: (227) [system] get_char((0x558d99e6bec0), _1716594)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] char_type(t, end_of_line)
   Fail: (227) [system] char_type(t, end_of_line)
   Call: (227) [system] t=end_of_file
   Fail: (227) [system] t=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1722164)
   Call: (228) [system] get_char((0x558d99e6bec0), _1723094)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] char_type(i, end_of_line)
   Fail: (228) [system] char_type(i, end_of_line)
   Call: (228) [system] i=end_of_file
   Fail: (228) [system] i=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1728664)
   Call: (229) [system] get_char((0x558d99e6bec0), _1729594)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] char_type(o, end_of_line)
   Fail: (229) [system] char_type(o, end_of_line)
   Call: (229) [system] o=end_of_file
   Fail: (229) [system] o=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1735164)
   Call: (230) [system] get_char((0x558d99e6bec0), _1736094)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] char_type(n, end_of_line)
   Fail: (230) [system] char_type(n, end_of_line)
   Call: (230) [system] n=end_of_file
   Fail: (230) [system] n=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1741664)
   Call: (231) [system] get_char((0x558d99e6bec0), _1742594)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Fail: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
   Fail: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1748164)
   Call: (232) [system] get_char((0x558d99e6bec0), _1749094)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] char_type(t, end_of_line)
   Fail: (232) [system] char_type(t, end_of_line)
   Call: (232) [system] t=end_of_file
   Fail: (232) [system] t=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1754664)
   Call: (233) [system] get_char((0x558d99e6bec0), _1755594)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] char_type(o, end_of_line)
   Fail: (233) [system] char_type(o, end_of_line)
   Call: (233) [system] o=end_of_file
   Fail: (233) [system] o=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1761164)
   Call: (234) [system] get_char((0x558d99e6bec0), _1762094)
   Exit: (234) [system] get_char((0x558d99e6bec0), ' ')
   Call: (234) [system] char_type(' ', end_of_line)
   Fail: (234) [system] char_type(' ', end_of_line)
   Call: (234) [system] ' '=end_of_file
   Fail: (234) [system] ' '=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1767664)
   Call: (235) [system] get_char((0x558d99e6bec0), _1768594)
   Exit: (235) [system] get_char((0x558d99e6bec0), r)
   Call: (235) [system] char_type(r, end_of_line)
   Fail: (235) [system] char_type(r, end_of_line)
   Call: (235) [system] r=end_of_file
   Fail: (235) [system] r=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1774164)
   Call: (236) [system] get_char((0x558d99e6bec0), _1775094)
   Exit: (236) [system] get_char((0x558d99e6bec0), u)
   Call: (236) [system] char_type(u, end_of_line)
   Fail: (236) [system] char_type(u, end_of_line)
   Call: (236) [system] u=end_of_file
   Fail: (236) [system] u=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1780664)
   Call: (237) [system] get_char((0x558d99e6bec0), _1781594)
   Exit: (237) [system] get_char((0x558d99e6bec0), l)
   Call: (237) [system] char_type(l, end_of_line)
   Fail: (237) [system] char_type(l, end_of_line)
   Call: (237) [system] l=end_of_file
   Fail: (237) [system] l=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1787164)
   Call: (238) [system] get_char((0x558d99e6bec0), _1788094)
   Exit: (238) [system] get_char((0x558d99e6bec0), e)
   Call: (238) [system] char_type(e, end_of_line)
   Fail: (238) [system] char_type(e, end_of_line)
   Call: (238) [system] e=end_of_file
   Fail: (238) [system] e=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1793664)
   Call: (239) [system] get_char((0x558d99e6bec0), _1794594)
   Exit: (239) [system] get_char((0x558d99e6bec0), '\n')
   Call: (239) [system] char_type('\n', end_of_line)
   Exit: (239) [system] char_type('\n', end_of_line)
   Call: (239) [system] _1793664=""
   Exit: (239) [system] ""=""
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (238) [system] string_concat(e, "", _1787164)
   Exit: (238) [system] string_concat(e, "", "e")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "e")
   Call: (237) [system] string_concat(l, "e", _1780664)
   Exit: (237) [system] string_concat(l, "e", "le")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "le")
   Call: (236) [system] string_concat(u, "le", _1774164)
   Exit: (236) [system] string_concat(u, "le", "ule")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "ule")
   Call: (235) [system] string_concat(r, "ule", _1767664)
   Exit: (235) [system] string_concat(r, "ule", "rule")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "rule")
   Call: (234) [system] string_concat(' ', "rule", _1761164)
   Exit: (234) [system] string_concat(' ', "rule", " rule")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), " rule")
   Call: (233) [system] string_concat(o, " rule", _1754664)
   Exit: (233) [system] string_concat(o, " rule", "o rule")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "o rule")
   Call: (232) [system] string_concat(t, "o rule", _1748164)
   Exit: (232) [system] string_concat(t, "o rule", "to rule")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "to rule")
   Call: (231) [system] string_concat(' ', "to rule", _1741664)
   Exit: (231) [system] string_concat(' ', "to rule", " to rule")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), " to rule")
   Call: (230) [system] string_concat(n, " to rule", _1735164)
   Exit: (230) [system] string_concat(n, " to rule", "n to rule")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "n to rule")
   Call: (229) [system] string_concat(o, "n to rule", _1728664)
   Exit: (229) [system] string_concat(o, "n to rule", "on to rule")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "on to rule")
   Call: (228) [system] string_concat(i, "on to rule", _1722164)
   Exit: (228) [system] string_concat(i, "on to rule", "ion to rule")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "ion to rule")
   Call: (227) [system] string_concat(t, "ion to rule", _1715664)
   Exit: (227) [system] string_concat(t, "ion to rule", "tion to rule")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "tion to rule")
   Call: (226) [system] string_concat(c, "tion to rule", _1709164)
   Exit: (226) [system] string_concat(c, "tion to rule", "ction to rule")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "ction to rule")
   Call: (225) [system] string_concat(n, "ction to rule", _1702664)
   Exit: (225) [system] string_concat(n, "ction to rule", "nction to rule")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "nction to rule")
   Call: (224) [system] string_concat(u, "nction to rule", _1696164)
   Exit: (224) [system] string_concat(u, "nction to rule", "unction to rule")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "unction to rule")
   Call: (223) [system] string_concat(f, "unction to rule", _1689664)
   Exit: (223) [system] string_concat(f, "unction to rule", "function to rule")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "function to rule")
   Call: (222) [system] string_concat(' ', "function to rule", _1683164)
   Exit: (222) [system] string_concat(' ', "function to rule", " function to rule")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), " function to rule")
   Call: (221) [system] string_concat(y, " function to rule", _1676664)
   Exit: (221) [system] string_concat(y, " function to rule", "y function to rule")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "y function to rule")
   Call: (220) [system] string_concat(r, "y function to rule", _1670164)
   Exit: (220) [system] string_concat(r, "y function to rule", "ry function to rule")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "ry function to rule")
   Call: (219) [system] string_concat(a, "ry function to rule", _1663664)
   Exit: (219) [system] string_concat(a, "ry function to rule", "ary function to rule")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "ary function to rule")
   Call: (218) [system] string_concat(l, "ary function to rule", _1657164)
   Exit: (218) [system] string_concat(l, "ary function to rule", "lary function to rule")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "lary function to rule")
   Call: (217) [system] string_concat(l, "lary function to rule", _1650664)
   Exit: (217) [system] string_concat(l, "lary function to rule", "llary function to rule")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "llary function to rule")
   Call: (216) [system] string_concat(u, "llary function to rule", _1644164)
   Exit: (216) [system] string_concat(u, "llary function to rule", "ullary function to rule")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "ullary function to rule")
   Call: (215) [system] string_concat(n, "ullary function to rule", _1637664)
   Exit: (215) [system] string_concat(n, "ullary function to rule", "nullary function to rule")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "nullary function to rule")
   Call: (214) [system] string_concat(' ', "nullary function to rule", _1631164)
   Exit: (214) [system] string_concat(' ', "nullary function to rule", " nullary function to rule")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), " nullary function to rule")
   Call: (213) [system] string_concat(a, " nullary function to rule", _1624664)
   Exit: (213) [system] string_concat(a, " nullary function to rule", "a nullary function to rule")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "a nullary function to rule")
   Call: (212) [system] string_concat(' ', "a nullary function to rule", _1618164)
   Exit: (212) [system] string_concat(' ', "a nullary function to rule", " a nullary function to rule")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), " a nullary function to rule")
   Call: (211) [system] string_concat(:, " a nullary function to rule", _1611664)
   Exit: (211) [system] string_concat(:, " a nullary function to rule", ": a nullary function to rule")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), ": a nullary function to rule")
   Call: (210) [system] string_concat(b, ": a nullary function to rule", _1605164)
   Exit: (210) [system] string_concat(b, ": a nullary function to rule", "b: a nullary function to rule")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "b: a nullary function to rule")
   Call: (209) [system] string_concat(r, "b: a nullary function to rule", _1598664)
   Exit: (209) [system] string_concat(r, "b: a nullary function to rule", "rb: a nullary function to rule")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "rb: a nullary function to rule")
   Call: (208) [system] string_concat($, "rb: a nullary function to rule", _1592164)
   Exit: (208) [system] string_concat($, "rb: a nullary function to rule", "$rb: a nullary function to rule")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "$rb: a nullary function to rule")
   Call: (207) [system] string_concat(' ', "$rb: a nullary function to rule", _1585664)
   Exit: (207) [system] string_concat(' ', "$rb: a nullary function to rule", " $rb: a nullary function to rule")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), " $rb: a nullary function to rule")
   Call: (206) [system] string_concat(;, " $rb: a nullary function to rule", _1579164)
   Exit: (206) [system] string_concat(;, " $rb: a nullary function to rule", "; $rb: a nullary function to rule")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "; $rb: a nullary function to rule")
   Call: (205) [system] string_concat(;, "; $rb: a nullary function to rule", _1572664)
   Exit: (205) [system] string_concat(;, "; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), ";; $rb: a nullary function to rule")
^  Call: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (203) [user] read_comment((0x558d99e6bec0))
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1900086)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ;)
   Call: (204) [system] (;)=(;)
   Exit: (204) [system] (;)=(;)
^  Call: (204) [user] read_comment((0x558d99e6bec0))
^  Call: (205) [user] read_position((0x558d99e6bec0), _1904724, _1904726, _1904728, _1904730)
   Call: (206) [system] stream_property((0x558d99e6bec0), position(_1904730))
   Call: (207) [system] nonvar((0x558d99e6bec0))
   Exit: (207) [system] nonvar((0x558d99e6bec0))
   Call: (207) [system] nonvar(position(_1904730))
   Exit: (207) [system] nonvar(position(_1904730))
   Exit: (206) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1202, 39, 0, 1202)))
   Call: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), _1904724)
   Call: (207) [system] nonvar(line_count)
   Exit: (207) [system] nonvar(line_count)
   Call: (207) [$syspreds] stream_position_field(line_count, _1914018)
   Exit: (207) [$syspreds] stream_position_field(line_count, 2)
   Call: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), _1904724)
   Exit: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), 39)
   Exit: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), 39)
   Call: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), _1904726)
   Call: (207) [system] nonvar(line_position)
   Exit: (207) [system] nonvar(line_position)
   Call: (207) [$syspreds] stream_position_field(line_position, _1921452)
   Exit: (207) [$syspreds] stream_position_field(line_position, 3)
   Call: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), _1904726)
   Exit: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), 0)
   Exit: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), 0)
   Call: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), _1904728)
   Call: (207) [system] nonvar(char_count)
   Exit: (207) [system] nonvar(char_count)
   Call: (207) [$syspreds] stream_position_field(char_count, _1928886)
   Exit: (207) [$syspreds] stream_position_field(char_count, 1)
   Call: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), _1904728)
   Exit: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), 1202)
   Exit: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), 1202)
^  Exit: (205) [user] read_position((0x558d99e6bec0), 39, 0, 1202, '$stream_position'(1202, 39, 0, 1202))
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1934480)
   Call: (206) [system] get_char((0x558d99e6bec0), _1935410)
   Exit: (206) [system] get_char((0x558d99e6bec0), ;)
   Call: (206) [system] char_type(;, end_of_line)
   Fail: (206) [system] char_type(;, end_of_line)
   Call: (206) [system] (;)=end_of_file
   Fail: (206) [system] (;)=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1940980)
   Call: (207) [system] get_char((0x558d99e6bec0), _1941910)
   Exit: (207) [system] get_char((0x558d99e6bec0), ;)
   Call: (207) [system] char_type(;, end_of_line)
   Fail: (207) [system] char_type(;, end_of_line)
   Call: (207) [system] (;)=end_of_file
   Fail: (207) [system] (;)=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _1947480)
   Call: (208) [system] get_char((0x558d99e6bec0), _1948410)
   Exit: (208) [system] get_char((0x558d99e6bec0), '\t')
   Call: (208) [system] char_type('\t', end_of_line)
   Fail: (208) [system] char_type('\t', end_of_line)
   Call: (208) [system] '\t'=end_of_file
   Fail: (208) [system] '\t'=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _1953980)
   Call: (209) [system] get_char((0x558d99e6bec0), _1954910)
   Exit: (209) [system] get_char((0x558d99e6bec0), '\t')
   Call: (209) [system] char_type('\t', end_of_line)
   Fail: (209) [system] char_type('\t', end_of_line)
   Call: (209) [system] '\t'=end_of_file
   Fail: (209) [system] '\t'=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1960480)
   Call: (210) [system] get_char((0x558d99e6bec0), _1961410)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Fail: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
   Fail: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1966980)
   Call: (211) [system] get_char((0x558d99e6bec0), _1967910)
   Exit: (211) [system] get_char((0x558d99e6bec0), t)
   Call: (211) [system] char_type(t, end_of_line)
   Fail: (211) [system] char_type(t, end_of_line)
   Call: (211) [system] t=end_of_file
   Fail: (211) [system] t=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1973480)
   Call: (212) [system] get_char((0x558d99e6bec0), _1974410)
   Exit: (212) [system] get_char((0x558d99e6bec0), o)
   Call: (212) [system] char_type(o, end_of_line)
   Fail: (212) [system] char_type(o, end_of_line)
   Call: (212) [system] o=end_of_file
   Fail: (212) [system] o=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1979980)
   Call: (213) [system] get_char((0x558d99e6bec0), _1980910)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1986480)
   Call: (214) [system] get_char((0x558d99e6bec0), _1987410)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] char_type(n, end_of_line)
   Fail: (214) [system] char_type(n, end_of_line)
   Call: (214) [system] n=end_of_file
   Fail: (214) [system] n=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1992980)
   Call: (215) [system] get_char((0x558d99e6bec0), _1993910)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] char_type(o, end_of_line)
   Fail: (215) [system] char_type(o, end_of_line)
   Call: (215) [system] o=end_of_file
   Fail: (215) [system] o=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1999480)
   Call: (216) [system] get_char((0x558d99e6bec0), _2000410)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] char_type(n, end_of_line)
   Fail: (216) [system] char_type(n, end_of_line)
   Call: (216) [system] n=end_of_file
   Fail: (216) [system] n=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _2005980)
   Call: (217) [system] get_char((0x558d99e6bec0), _2006910)
   Exit: (217) [system] get_char((0x558d99e6bec0), -)
   Call: (217) [system] char_type(-, end_of_line)
   Fail: (217) [system] char_type(-, end_of_line)
   Call: (217) [system] (-)=end_of_file
   Fail: (217) [system] (-)=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _2012480)
   Call: (218) [system] get_char((0x558d99e6bec0), _2013410)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] char_type(d, end_of_line)
   Fail: (218) [system] char_type(d, end_of_line)
   Call: (218) [system] d=end_of_file
   Fail: (218) [system] d=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _2018980)
   Call: (219) [system] get_char((0x558d99e6bec0), _2019910)
   Exit: (219) [system] get_char((0x558d99e6bec0), e)
   Call: (219) [system] char_type(e, end_of_line)
   Fail: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
   Fail: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _2025480)
   Call: (220) [system] get_char((0x558d99e6bec0), _2026410)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] char_type(t, end_of_line)
   Fail: (220) [system] char_type(t, end_of_line)
   Call: (220) [system] t=end_of_file
   Fail: (220) [system] t=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _2031980)
   Call: (221) [system] get_char((0x558d99e6bec0), _2032910)
   Exit: (221) [system] get_char((0x558d99e6bec0), e)
   Call: (221) [system] char_type(e, end_of_line)
   Fail: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
   Fail: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _2038480)
   Call: (222) [system] get_char((0x558d99e6bec0), _2039410)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] char_type(r, end_of_line)
   Fail: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
   Fail: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _2044980)
   Call: (223) [system] get_char((0x558d99e6bec0), _2045910)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] char_type(m, end_of_line)
   Fail: (223) [system] char_type(m, end_of_line)
   Call: (223) [system] m=end_of_file
   Fail: (223) [system] m=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _2051480)
   Call: (224) [system] get_char((0x558d99e6bec0), _2052410)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] char_type(i, end_of_line)
   Fail: (224) [system] char_type(i, end_of_line)
   Call: (224) [system] i=end_of_file
   Fail: (224) [system] i=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _2057980)
   Call: (225) [system] get_char((0x558d99e6bec0), _2058910)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] char_type(n, end_of_line)
   Fail: (225) [system] char_type(n, end_of_line)
   Call: (225) [system] n=end_of_file
   Fail: (225) [system] n=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _2064480)
   Call: (226) [system] get_char((0x558d99e6bec0), _2065410)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] char_type(i, end_of_line)
   Fail: (226) [system] char_type(i, end_of_line)
   Call: (226) [system] i=end_of_file
   Fail: (226) [system] i=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _2070980)
   Call: (227) [system] get_char((0x558d99e6bec0), _2071910)
   Exit: (227) [system] get_char((0x558d99e6bec0), s)
   Call: (227) [system] char_type(s, end_of_line)
   Fail: (227) [system] char_type(s, end_of_line)
   Call: (227) [system] s=end_of_file
   Fail: (227) [system] s=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _2077480)
   Call: (228) [system] get_char((0x558d99e6bec0), _2078410)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] char_type(t, end_of_line)
   Fail: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
   Fail: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _2083980)
   Call: (229) [system] get_char((0x558d99e6bec0), _2084910)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] char_type(i, end_of_line)
   Fail: (229) [system] char_type(i, end_of_line)
   Call: (229) [system] i=end_of_file
   Fail: (229) [system] i=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _2090480)
   Call: (230) [system] get_char((0x558d99e6bec0), _2091410)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] char_type(c, end_of_line)
   Fail: (230) [system] char_type(c, end_of_line)
   Call: (230) [system] c=end_of_file
   Fail: (230) [system] c=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _3516)
   Call: (231) [system] get_char((0x558d99e6bec0), _4410)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _9980)
   Call: (232) [system] get_char((0x558d99e6bec0), _10910)
   Exit: (232) [system] get_char((0x558d99e6bec0), l)
   Call: (232) [system] char_type(l, end_of_line)
   Fail: (232) [system] char_type(l, end_of_line)
   Call: (232) [system] l=end_of_file
   Fail: (232) [system] l=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _16480)
   Call: (233) [system] get_char((0x558d99e6bec0), _17410)
   Exit: (233) [system] get_char((0x558d99e6bec0), l)
   Call: (233) [system] char_type(l, end_of_line)
   Fail: (233) [system] char_type(l, end_of_line)
   Call: (233) [system] l=end_of_file
   Fail: (233) [system] l=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _22980)
   Call: (234) [system] get_char((0x558d99e6bec0), _23910)
   Exit: (234) [system] get_char((0x558d99e6bec0), y)
   Call: (234) [system] char_type(y, end_of_line)
   Fail: (234) [system] char_type(y, end_of_line)
   Call: (234) [system] y=end_of_file
   Fail: (234) [system] y=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _29480)
   Call: (235) [system] get_char((0x558d99e6bec0), _30410)
   Exit: (235) [system] get_char((0x558d99e6bec0), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Fail: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
   Fail: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _35980)
   Call: (236) [system] get_char((0x558d99e6bec0), _36910)
   Exit: (236) [system] get_char((0x558d99e6bec0), p)
   Call: (236) [system] char_type(p, end_of_line)
   Fail: (236) [system] char_type(p, end_of_line)
   Call: (236) [system] p=end_of_file
   Fail: (236) [system] p=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _42480)
   Call: (237) [system] get_char((0x558d99e6bec0), _43410)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] char_type(i, end_of_line)
   Fail: (237) [system] char_type(i, end_of_line)
   Call: (237) [system] i=end_of_file
   Fail: (237) [system] i=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _48980)
   Call: (238) [system] get_char((0x558d99e6bec0), _49910)
   Exit: (238) [system] get_char((0x558d99e6bec0), c)
   Call: (238) [system] char_type(c, end_of_line)
   Fail: (238) [system] char_type(c, end_of_line)
   Call: (238) [system] c=end_of_file
   Fail: (238) [system] c=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _55480)
   Call: (239) [system] get_char((0x558d99e6bec0), _56410)
   Exit: (239) [system] get_char((0x558d99e6bec0), k)
   Call: (239) [system] char_type(k, end_of_line)
   Fail: (239) [system] char_type(k, end_of_line)
   Call: (239) [system] k=end_of_file
   Fail: (239) [system] k=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _61980)
   Call: (240) [system] get_char((0x558d99e6bec0), _62910)
   Exit: (240) [system] get_char((0x558d99e6bec0), ' ')
   Call: (240) [system] char_type(' ', end_of_line)
   Fail: (240) [system] char_type(' ', end_of_line)
   Call: (240) [system] ' '=end_of_file
   Fail: (240) [system] ' '=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _68480)
   Call: (241) [system] get_char((0x558d99e6bec0), _69410)
   Exit: (241) [system] get_char((0x558d99e6bec0), u)
   Call: (241) [system] char_type(u, end_of_line)
   Fail: (241) [system] char_type(u, end_of_line)
   Call: (241) [system] u=end_of_file
   Fail: (241) [system] u=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _74980)
   Call: (242) [system] get_char((0x558d99e6bec0), _75910)
   Exit: (242) [system] get_char((0x558d99e6bec0), p)
   Call: (242) [system] char_type(p, end_of_line)
   Fail: (242) [system] char_type(p, end_of_line)
   Call: (242) [system] p=end_of_file
   Fail: (242) [system] p=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _81480)
   Call: (243) [system] get_char((0x558d99e6bec0), _82410)
   Exit: (243) [system] get_char((0x558d99e6bec0), ' ')
   Call: (243) [system] char_type(' ', end_of_line)
   Fail: (243) [system] char_type(' ', end_of_line)
   Call: (243) [system] ' '=end_of_file
   Fail: (243) [system] ' '=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _87980)
   Call: (244) [system] get_char((0x558d99e6bec0), _88910)
   Exit: (244) [system] get_char((0x558d99e6bec0), a)
   Call: (244) [system] char_type(a, end_of_line)
   Fail: (244) [system] char_type(a, end_of_line)
   Call: (244) [system] a=end_of_file
   Fail: (244) [system] a=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _94480)
   Call: (245) [system] get_char((0x558d99e6bec0), _95410)
   Exit: (245) [system] get_char((0x558d99e6bec0), '\n')
   Call: (245) [system] char_type('\n', end_of_line)
   Exit: (245) [system] char_type('\n', end_of_line)
   Call: (245) [system] _94480=""
   Exit: (245) [system] ""=""
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (244) [system] string_concat(a, "", _87980)
   Exit: (244) [system] string_concat(a, "", "a")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "a")
   Call: (243) [system] string_concat(' ', "a", _81480)
   Exit: (243) [system] string_concat(' ', "a", " a")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), " a")
   Call: (242) [system] string_concat(p, " a", _74980)
   Exit: (242) [system] string_concat(p, " a", "p a")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "p a")
   Call: (241) [system] string_concat(u, "p a", _68480)
   Exit: (241) [system] string_concat(u, "p a", "up a")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "up a")
   Call: (240) [system] string_concat(' ', "up a", _61980)
   Exit: (240) [system] string_concat(' ', "up a", " up a")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), " up a")
   Call: (239) [system] string_concat(k, " up a", _55480)
   Exit: (239) [system] string_concat(k, " up a", "k up a")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "k up a")
   Call: (238) [system] string_concat(c, "k up a", _48980)
   Exit: (238) [system] string_concat(c, "k up a", "ck up a")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "ck up a")
   Call: (237) [system] string_concat(i, "ck up a", _42480)
   Exit: (237) [system] string_concat(i, "ck up a", "ick up a")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "ick up a")
   Call: (236) [system] string_concat(p, "ick up a", _35980)
   Exit: (236) [system] string_concat(p, "ick up a", "pick up a")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "pick up a")
   Call: (235) [system] string_concat(' ', "pick up a", _29480)
   Exit: (235) [system] string_concat(' ', "pick up a", " pick up a")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), " pick up a")
   Call: (234) [system] string_concat(y, " pick up a", _22980)
   Exit: (234) [system] string_concat(y, " pick up a", "y pick up a")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "y pick up a")
   Call: (233) [system] string_concat(l, "y pick up a", _16480)
   Exit: (233) [system] string_concat(l, "y pick up a", "ly pick up a")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "ly pick up a")
   Call: (232) [system] string_concat(l, "ly pick up a", _9980)
   Exit: (232) [system] string_concat(l, "ly pick up a", "lly pick up a")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "lly pick up a")
   Call: (231) [system] string_concat(a, "lly pick up a", _3516)
   Exit: (231) [system] string_concat(a, "lly pick up a", "ally pick up a")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "ally pick up a")
   Call: (230) [system] string_concat(c, "ally pick up a", _3510)
   Exit: (230) [system] string_concat(c, "ally pick up a", "cally pick up a")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "cally pick up a")
   Call: (229) [system] string_concat(i, "cally pick up a", _3506)
   Exit: (229) [system] string_concat(i, "cally pick up a", "ically pick up a")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "ically pick up a")
   Call: (228) [system] string_concat(t, "ically pick up a", _3502)
   Exit: (228) [system] string_concat(t, "ically pick up a", "tically pick up a")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "tically pick up a")
   Call: (227) [system] string_concat(s, "tically pick up a", _3498)
   Exit: (227) [system] string_concat(s, "tically pick up a", "stically pick up a")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "stically pick up a")
   Call: (226) [system] string_concat(i, "stically pick up a", _3494)
   Exit: (226) [system] string_concat(i, "stically pick up a", "istically pick up a")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "istically pick up a")
   Call: (225) [system] string_concat(n, "istically pick up a", _3490)
   Exit: (225) [system] string_concat(n, "istically pick up a", "nistically pick up a")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "nistically pick up a")
   Call: (224) [system] string_concat(i, "nistically pick up a", _3486)
   Exit: (224) [system] string_concat(i, "nistically pick up a", "inistically pick up a")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "inistically pick up a")
   Call: (223) [system] string_concat(m, "inistically pick up a", _3482)
   Exit: (223) [system] string_concat(m, "inistically pick up a", "ministically pick up a")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "ministically pick up a")
   Call: (222) [system] string_concat(r, "ministically pick up a", _3478)
   Exit: (222) [system] string_concat(r, "ministically pick up a", "rministically pick up a")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "rministically pick up a")
   Call: (221) [system] string_concat(e, "rministically pick up a", _3474)
   Exit: (221) [system] string_concat(e, "rministically pick up a", "erministically pick up a")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "erministically pick up a")
   Call: (220) [system] string_concat(t, "erministically pick up a", _3470)
   Exit: (220) [system] string_concat(t, "erministically pick up a", "terministically pick up a")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "terministically pick up a")
   Call: (219) [system] string_concat(e, "terministically pick up a", _3466)
   Exit: (219) [system] string_concat(e, "terministically pick up a", "eterministically pick up a")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "eterministically pick up a")
   Call: (218) [system] string_concat(d, "eterministically pick up a", _3462)
   Exit: (218) [system] string_concat(d, "eterministically pick up a", "deterministically pick up a")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "deterministically pick up a")
   Call: (217) [system] string_concat(-, "deterministically pick up a", _3458)
   Exit: (217) [system] string_concat(-, "deterministically pick up a", "-deterministically pick up a")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "-deterministically pick up a")
   Call: (216) [system] string_concat(n, "-deterministically pick up a", _3454)
   Exit: (216) [system] string_concat(n, "-deterministically pick up a", "n-deterministically pick up a")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "n-deterministically pick up a")
   Call: (215) [system] string_concat(o, "n-deterministically pick up a", _3450)
   Exit: (215) [system] string_concat(o, "n-deterministically pick up a", "on-deterministically pick up a")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "on-deterministically pick up a")
   Call: (214) [system] string_concat(n, "on-deterministically pick up a", _3446)
   Exit: (214) [system] string_concat(n, "on-deterministically pick up a", "non-deterministically pick up a")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "non-deterministically pick up a")
   Call: (213) [system] string_concat(' ', "non-deterministically pick up a", _3442)
   Exit: (213) [system] string_concat(' ', "non-deterministically pick up a", " non-deterministically pick up a")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), " non-deterministically pick up a")
   Call: (212) [system] string_concat(o, " non-deterministically pick up a", _3438)
   Exit: (212) [system] string_concat(o, " non-deterministically pick up a", "o non-deterministically pick up a")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "o non-deterministically pick up a")
   Call: (211) [system] string_concat(t, "o non-deterministically pick up a", _3434)
   Exit: (211) [system] string_concat(t, "o non-deterministically pick up a", "to non-deterministically pick up a")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "to non-deterministically pick up a")
   Call: (210) [system] string_concat(' ', "to non-deterministically pick up a", _3430)
   Exit: (210) [system] string_concat(' ', "to non-deterministically pick up a", " to non-deterministically pick up a")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), " to non-deterministically pick up a")
   Call: (209) [system] string_concat('\t', " to non-deterministically pick up a", _3426)
   Exit: (209) [system] string_concat('\t', " to non-deterministically pick up a", "\t to non-deterministically pick up a")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "\t to non-deterministically pick up a")
   Call: (208) [system] string_concat('\t', "\t to non-deterministically pick up a", _3422)
   Exit: (208) [system] string_concat('\t', "\t to non-deterministically pick up a", "\t\t to non-deterministically pick up a")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), "\t\t to non-deterministically pick up a")
   Call: (207) [system] string_concat(;, "\t\t to non-deterministically pick up a", _3418)
   Exit: (207) [system] string_concat(;, "\t\t to non-deterministically pick up a", ";\t\t to non-deterministically pick up a")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), ";\t\t to non-deterministically pick up a")
   Call: (206) [system] string_concat(;, ";\t\t to non-deterministically pick up a", _3414)
   Exit: (206) [system] string_concat(;, ";\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), ";;\t\t to non-deterministically pick up a")
^  Call: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (204) [user] read_comment((0x558d99e6bec0))
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _214934)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ;)
   Call: (205) [system] (;)=(;)
   Exit: (205) [system] (;)=(;)
^  Call: (205) [user] read_comment((0x558d99e6bec0))
^  Call: (206) [user] read_position((0x558d99e6bec0), _219572, _219574, _219576, _219578)
   Call: (207) [system] stream_property((0x558d99e6bec0), position(_219578))
   Call: (208) [system] nonvar((0x558d99e6bec0))
   Exit: (208) [system] nonvar((0x558d99e6bec0))
   Call: (208) [system] nonvar(position(_219578))
   Exit: (208) [system] nonvar(position(_219578))
   Exit: (207) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1242, 40, 0, 1242)))
   Call: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), _219572)
   Call: (208) [system] nonvar(line_count)
   Exit: (208) [system] nonvar(line_count)
   Call: (208) [$syspreds] stream_position_field(line_count, _228866)
   Exit: (208) [$syspreds] stream_position_field(line_count, 2)
   Call: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), _219572)
   Exit: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), 40)
   Exit: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), 40)
   Call: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), _219574)
   Call: (208) [system] nonvar(line_position)
   Exit: (208) [system] nonvar(line_position)
   Call: (208) [$syspreds] stream_position_field(line_position, _236300)
   Exit: (208) [$syspreds] stream_position_field(line_position, 3)
   Call: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), _219574)
   Exit: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), 0)
   Exit: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), 0)
   Call: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), _219576)
   Call: (208) [system] nonvar(char_count)
   Exit: (208) [system] nonvar(char_count)
   Call: (208) [$syspreds] stream_position_field(char_count, _243734)
   Exit: (208) [$syspreds] stream_position_field(char_count, 1)
   Call: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), _219576)
   Exit: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), 1242)
   Exit: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), 1242)
^  Exit: (206) [user] read_position((0x558d99e6bec0), 40, 0, 1242, '$stream_position'(1242, 40, 0, 1242))
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _249328)
   Call: (207) [system] get_char((0x558d99e6bec0), _250258)
   Exit: (207) [system] get_char((0x558d99e6bec0), ;)
   Call: (207) [system] char_type(;, end_of_line)
   Fail: (207) [system] char_type(;, end_of_line)
   Call: (207) [system] (;)=end_of_file
   Fail: (207) [system] (;)=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _255828)
   Call: (208) [system] get_char((0x558d99e6bec0), _256758)
   Exit: (208) [system] get_char((0x558d99e6bec0), ;)
   Call: (208) [system] char_type(;, end_of_line)
   Fail: (208) [system] char_type(;, end_of_line)
   Call: (208) [system] (;)=end_of_file
   Fail: (208) [system] (;)=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _262328)
   Call: (209) [system] get_char((0x558d99e6bec0), _263258)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Fail: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
   Fail: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _268828)
   Call: (210) [system] get_char((0x558d99e6bec0), _269758)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Fail: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
   Fail: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _275328)
   Call: (211) [system] get_char((0x558d99e6bec0), _276258)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Fail: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
   Fail: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _281828)
   Call: (212) [system] get_char((0x558d99e6bec0), _282758)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Fail: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
   Fail: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _288328)
   Call: (213) [system] get_char((0x558d99e6bec0), _289258)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _294828)
   Call: (214) [system] get_char((0x558d99e6bec0), _295758)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Fail: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
   Fail: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _301328)
   Call: (215) [system] get_char((0x558d99e6bec0), _302258)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] char_type(r, end_of_line)
   Fail: (215) [system] char_type(r, end_of_line)
   Call: (215) [system] r=end_of_file
   Fail: (215) [system] r=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _307828)
   Call: (216) [system] get_char((0x558d99e6bec0), _308758)
   Exit: (216) [system] get_char((0x558d99e6bec0), u)
   Call: (216) [system] char_type(u, end_of_line)
   Fail: (216) [system] char_type(u, end_of_line)
   Call: (216) [system] u=end_of_file
   Fail: (216) [system] u=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _314328)
   Call: (217) [system] get_char((0x558d99e6bec0), _315258)
   Exit: (217) [system] get_char((0x558d99e6bec0), l)
   Call: (217) [system] char_type(l, end_of_line)
   Fail: (217) [system] char_type(l, end_of_line)
   Call: (217) [system] l=end_of_file
   Fail: (217) [system] l=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _320828)
   Call: (218) [system] get_char((0x558d99e6bec0), _321758)
   Exit: (218) [system] get_char((0x558d99e6bec0), e)
   Call: (218) [system] char_type(e, end_of_line)
   Fail: (218) [system] char_type(e, end_of_line)
   Call: (218) [system] e=end_of_file
   Fail: (218) [system] e=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _327328)
   Call: (219) [system] get_char((0x558d99e6bec0), _328258)
   Exit: (219) [system] get_char((0x558d99e6bec0), '.')
   Call: (219) [system] char_type('.', end_of_line)
   Fail: (219) [system] char_type('.', end_of_line)
   Call: (219) [system] ('.')=end_of_file
   Fail: (219) [system] ('.')=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _333828)
   Call: (220) [system] get_char((0x558d99e6bec0), _334758)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
   Call: (220) [system] char_type(' ', end_of_line)
   Fail: (220) [system] char_type(' ', end_of_line)
   Call: (220) [system] ' '=end_of_file
   Fail: (220) [system] ' '=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _340328)
   Call: (221) [system] get_char((0x558d99e6bec0), _341258)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Fail: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
   Fail: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _346828)
   Call: (222) [system] get_char((0x558d99e6bec0), _347758)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'A')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _353328)
   Call: (223) [system] get_char((0x558d99e6bec0), _354258)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
   Call: (223) [system] char_type(' ', end_of_line)
   Fail: (223) [system] char_type(' ', end_of_line)
   Call: (223) [system] ' '=end_of_file
   Fail: (223) [system] ' '=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _359828)
   Call: (224) [system] get_char((0x558d99e6bec0), _360758)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] char_type(r, end_of_line)
   Fail: (224) [system] char_type(r, end_of_line)
   Call: (224) [system] r=end_of_file
   Fail: (224) [system] r=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _366328)
   Call: (225) [system] get_char((0x558d99e6bec0), _367258)
   Exit: (225) [system] get_char((0x558d99e6bec0), u)
   Call: (225) [system] char_type(u, end_of_line)
   Fail: (225) [system] char_type(u, end_of_line)
   Call: (225) [system] u=end_of_file
   Fail: (225) [system] u=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _372828)
   Call: (226) [system] get_char((0x558d99e6bec0), _373758)
   Exit: (226) [system] get_char((0x558d99e6bec0), l)
   Call: (226) [system] char_type(l, end_of_line)
   Fail: (226) [system] char_type(l, end_of_line)
   Call: (226) [system] l=end_of_file
   Fail: (226) [system] l=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _379328)
   Call: (227) [system] get_char((0x558d99e6bec0), _380258)
   Exit: (227) [system] get_char((0x558d99e6bec0), e)
   Call: (227) [system] char_type(e, end_of_line)
   Fail: (227) [system] char_type(e, end_of_line)
   Call: (227) [system] e=end_of_file
   Fail: (227) [system] e=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _385828)
   Call: (228) [system] get_char((0x558d99e6bec0), _386758)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
   Call: (228) [system] char_type(' ', end_of_line)
   Fail: (228) [system] char_type(' ', end_of_line)
   Call: (228) [system] ' '=end_of_file
   Fail: (228) [system] ' '=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _392328)
   Call: (229) [system] get_char((0x558d99e6bec0), _393258)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] char_type(i, end_of_line)
   Fail: (229) [system] char_type(i, end_of_line)
   Call: (229) [system] i=end_of_file
   Fail: (229) [system] i=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _398828)
   Call: (230) [system] get_char((0x558d99e6bec0), _399758)
   Exit: (230) [system] get_char((0x558d99e6bec0), s)
   Call: (230) [system] char_type(s, end_of_line)
   Fail: (230) [system] char_type(s, end_of_line)
   Call: (230) [system] s=end_of_file
   Fail: (230) [system] s=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _405328)
   Call: (231) [system] get_char((0x558d99e6bec0), _406258)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Fail: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
   Fail: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _411828)
   Call: (232) [system] get_char((0x558d99e6bec0), _412758)
   Exit: (232) [system] get_char((0x558d99e6bec0), a)
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _418328)
   Call: (233) [system] get_char((0x558d99e6bec0), _419258)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
   Call: (233) [system] char_type(' ', end_of_line)
   Fail: (233) [system] char_type(' ', end_of_line)
   Call: (233) [system] ' '=end_of_file
   Fail: (233) [system] ' '=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _424828)
   Call: (234) [system] get_char((0x558d99e6bec0), _425758)
   Exit: (234) [system] get_char((0x558d99e6bec0), f)
   Call: (234) [system] char_type(f, end_of_line)
   Fail: (234) [system] char_type(f, end_of_line)
   Call: (234) [system] f=end_of_file
   Fail: (234) [system] f=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _431328)
   Call: (235) [system] get_char((0x558d99e6bec0), _432258)
   Exit: (235) [system] get_char((0x558d99e6bec0), u)
   Call: (235) [system] char_type(u, end_of_line)
   Fail: (235) [system] char_type(u, end_of_line)
   Call: (235) [system] u=end_of_file
   Fail: (235) [system] u=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _437828)
   Call: (236) [system] get_char((0x558d99e6bec0), _438758)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] char_type(n, end_of_line)
   Fail: (236) [system] char_type(n, end_of_line)
   Call: (236) [system] n=end_of_file
   Fail: (236) [system] n=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _444328)
   Call: (237) [system] get_char((0x558d99e6bec0), _445258)
   Exit: (237) [system] get_char((0x558d99e6bec0), c)
   Call: (237) [system] char_type(c, end_of_line)
   Fail: (237) [system] char_type(c, end_of_line)
   Call: (237) [system] c=end_of_file
   Fail: (237) [system] c=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _450828)
   Call: (238) [system] get_char((0x558d99e6bec0), _451758)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] char_type(t, end_of_line)
   Fail: (238) [system] char_type(t, end_of_line)
   Call: (238) [system] t=end_of_file
   Fail: (238) [system] t=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _457328)
   Call: (239) [system] get_char((0x558d99e6bec0), _458258)
   Exit: (239) [system] get_char((0x558d99e6bec0), i)
   Call: (239) [system] char_type(i, end_of_line)
   Fail: (239) [system] char_type(i, end_of_line)
   Call: (239) [system] i=end_of_file
   Fail: (239) [system] i=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _463828)
   Call: (240) [system] get_char((0x558d99e6bec0), _464758)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] char_type(o, end_of_line)
   Fail: (240) [system] char_type(o, end_of_line)
   Call: (240) [system] o=end_of_file
   Fail: (240) [system] o=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _470328)
   Call: (241) [system] get_char((0x558d99e6bec0), _471258)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] char_type(n, end_of_line)
   Fail: (241) [system] char_type(n, end_of_line)
   Call: (241) [system] n=end_of_file
   Fail: (241) [system] n=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _476828)
   Call: (242) [system] get_char((0x558d99e6bec0), _477758)
   Exit: (242) [system] get_char((0x558d99e6bec0), ' ')
   Call: (242) [system] char_type(' ', end_of_line)
   Fail: (242) [system] char_type(' ', end_of_line)
   Call: (242) [system] ' '=end_of_file
   Fail: (242) [system] ' '=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _483328)
   Call: (243) [system] get_char((0x558d99e6bec0), _484258)
   Exit: (243) [system] get_char((0x558d99e6bec0), m)
   Call: (243) [system] char_type(m, end_of_line)
   Fail: (243) [system] char_type(m, end_of_line)
   Call: (243) [system] m=end_of_file
   Fail: (243) [system] m=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _489828)
   Call: (244) [system] get_char((0x558d99e6bec0), _490758)
   Exit: (244) [system] get_char((0x558d99e6bec0), a)
   Call: (244) [system] char_type(a, end_of_line)
   Fail: (244) [system] char_type(a, end_of_line)
   Call: (244) [system] a=end_of_file
   Fail: (244) [system] a=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _496328)
   Call: (245) [system] get_char((0x558d99e6bec0), _497258)
   Exit: (245) [system] get_char((0x558d99e6bec0), p)
   Call: (245) [system] char_type(p, end_of_line)
   Fail: (245) [system] char_type(p, end_of_line)
   Call: (245) [system] p=end_of_file
   Fail: (245) [system] p=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _502828)
   Call: (246) [system] get_char((0x558d99e6bec0), _503758)
   Exit: (246) [system] get_char((0x558d99e6bec0), p)
   Call: (246) [system] char_type(p, end_of_line)
   Fail: (246) [system] char_type(p, end_of_line)
   Call: (246) [system] p=end_of_file
   Fail: (246) [system] p=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _509328)
   Call: (247) [system] get_char((0x558d99e6bec0), _510258)
   Exit: (247) [system] get_char((0x558d99e6bec0), i)
   Call: (247) [system] char_type(i, end_of_line)
   Fail: (247) [system] char_type(i, end_of_line)
   Call: (247) [system] i=end_of_file
   Fail: (247) [system] i=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _515828)
   Call: (248) [system] get_char((0x558d99e6bec0), _516758)
   Exit: (248) [system] get_char((0x558d99e6bec0), n)
   Call: (248) [system] char_type(n, end_of_line)
   Fail: (248) [system] char_type(n, end_of_line)
   Call: (248) [system] n=end_of_file
   Fail: (248) [system] n=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _522328)
   Call: (249) [system] get_char((0x558d99e6bec0), _523258)
   Exit: (249) [system] get_char((0x558d99e6bec0), g)
   Call: (249) [system] char_type(g, end_of_line)
   Fail: (249) [system] char_type(g, end_of_line)
   Call: (249) [system] g=end_of_file
   Fail: (249) [system] g=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _528828)
   Call: (250) [system] get_char((0x558d99e6bec0), _529758)
   Exit: (250) [system] get_char((0x558d99e6bec0), ' ')
   Call: (250) [system] char_type(' ', end_of_line)
   Fail: (250) [system] char_type(' ', end_of_line)
   Call: (250) [system] ' '=end_of_file
   Fail: (250) [system] ' '=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _535328)
   Call: (251) [system] get_char((0x558d99e6bec0), _536258)
   Exit: (251) [system] get_char((0x558d99e6bec0), p)
   Call: (251) [system] char_type(p, end_of_line)
   Fail: (251) [system] char_type(p, end_of_line)
   Call: (251) [system] p=end_of_file
   Fail: (251) [system] p=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _541828)
   Call: (252) [system] get_char((0x558d99e6bec0), _542758)
   Exit: (252) [system] get_char((0x558d99e6bec0), r)
   Call: (252) [system] char_type(r, end_of_line)
   Fail: (252) [system] char_type(r, end_of_line)
   Call: (252) [system] r=end_of_file
   Fail: (252) [system] r=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _548328)
   Call: (253) [system] get_char((0x558d99e6bec0), _549258)
   Exit: (253) [system] get_char((0x558d99e6bec0), e)
   Call: (253) [system] char_type(e, end_of_line)
   Fail: (253) [system] char_type(e, end_of_line)
   Call: (253) [system] e=end_of_file
   Fail: (253) [system] e=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _554828)
   Call: (254) [system] get_char((0x558d99e6bec0), _555758)
   Exit: (254) [system] get_char((0x558d99e6bec0), m)
   Call: (254) [system] char_type(m, end_of_line)
   Fail: (254) [system] char_type(m, end_of_line)
   Call: (254) [system] m=end_of_file
   Fail: (254) [system] m=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _561328)
   Call: (255) [system] get_char((0x558d99e6bec0), _562258)
   Exit: (255) [system] get_char((0x558d99e6bec0), i)
   Call: (255) [system] char_type(i, end_of_line)
   Fail: (255) [system] char_type(i, end_of_line)
   Call: (255) [system] i=end_of_file
   Fail: (255) [system] i=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _567828)
   Call: (256) [system] get_char((0x558d99e6bec0), _568758)
   Exit: (256) [system] get_char((0x558d99e6bec0), s)
   Call: (256) [system] char_type(s, end_of_line)
   Fail: (256) [system] char_type(s, end_of_line)
   Call: (256) [system] s=end_of_file
   Fail: (256) [system] s=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _574328)
   Call: (257) [system] get_char((0x558d99e6bec0), _575258)
   Exit: (257) [system] get_char((0x558d99e6bec0), e)
   Call: (257) [system] char_type(e, end_of_line)
   Fail: (257) [system] char_type(e, end_of_line)
   Call: (257) [system] e=end_of_file
   Fail: (257) [system] e=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _580828)
   Call: (258) [system] get_char((0x558d99e6bec0), _581758)
   Exit: (258) [system] get_char((0x558d99e6bec0), s)
   Call: (258) [system] char_type(s, end_of_line)
   Fail: (258) [system] char_type(s, end_of_line)
   Call: (258) [system] s=end_of_file
   Fail: (258) [system] s=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _587328)
   Call: (259) [system] get_char((0x558d99e6bec0), _588258)
   Exit: (259) [system] get_char((0x558d99e6bec0), ' ')
   Call: (259) [system] char_type(' ', end_of_line)
   Fail: (259) [system] char_type(' ', end_of_line)
   Call: (259) [system] ' '=end_of_file
   Fail: (259) [system] ' '=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _593828)
   Call: (260) [system] get_char((0x558d99e6bec0), _594758)
   Exit: (260) [system] get_char((0x558d99e6bec0), t)
   Call: (260) [system] char_type(t, end_of_line)
   Fail: (260) [system] char_type(t, end_of_line)
   Call: (260) [system] t=end_of_file
   Fail: (260) [system] t=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _600328)
   Call: (261) [system] get_char((0x558d99e6bec0), _601258)
   Exit: (261) [system] get_char((0x558d99e6bec0), o)
   Call: (261) [system] char_type(o, end_of_line)
   Fail: (261) [system] char_type(o, end_of_line)
   Call: (261) [system] o=end_of_file
   Fail: (261) [system] o=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _606828)
   Call: (262) [system] get_char((0x558d99e6bec0), _607758)
   Exit: (262) [system] get_char((0x558d99e6bec0), ' ')
   Call: (262) [system] char_type(' ', end_of_line)
   Fail: (262) [system] char_type(' ', end_of_line)
   Call: (262) [system] ' '=end_of_file
   Fail: (262) [system] ' '=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _613328)
   Call: (263) [system] get_char((0x558d99e6bec0), _614258)
   Exit: (263) [system] get_char((0x558d99e6bec0), c)
   Call: (263) [system] char_type(c, end_of_line)
   Fail: (263) [system] char_type(c, end_of_line)
   Call: (263) [system] c=end_of_file
   Fail: (263) [system] c=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _619828)
   Call: (264) [system] get_char((0x558d99e6bec0), _620758)
   Exit: (264) [system] get_char((0x558d99e6bec0), o)
   Call: (264) [system] char_type(o, end_of_line)
   Fail: (264) [system] char_type(o, end_of_line)
   Call: (264) [system] o=end_of_file
   Fail: (264) [system] o=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _626328)
   Call: (265) [system] get_char((0x558d99e6bec0), _627258)
   Exit: (265) [system] get_char((0x558d99e6bec0), n)
   Call: (265) [system] char_type(n, end_of_line)
   Fail: (265) [system] char_type(n, end_of_line)
   Call: (265) [system] n=end_of_file
   Fail: (265) [system] n=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _632828)
   Call: (266) [system] get_char((0x558d99e6bec0), _633758)
   Exit: (266) [system] get_char((0x558d99e6bec0), c)
   Call: (266) [system] char_type(c, end_of_line)
   Fail: (266) [system] char_type(c, end_of_line)
   Call: (266) [system] c=end_of_file
   Fail: (266) [system] c=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _639328)
   Call: (267) [system] get_char((0x558d99e6bec0), _640258)
   Exit: (267) [system] get_char((0x558d99e6bec0), l)
   Call: (267) [system] char_type(l, end_of_line)
   Fail: (267) [system] char_type(l, end_of_line)
   Call: (267) [system] l=end_of_file
   Fail: (267) [system] l=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _645828)
   Call: (268) [system] get_char((0x558d99e6bec0), _646758)
   Exit: (268) [system] get_char((0x558d99e6bec0), u)
   Call: (268) [system] char_type(u, end_of_line)
   Fail: (268) [system] char_type(u, end_of_line)
   Call: (268) [system] u=end_of_file
   Fail: (268) [system] u=end_of_file
^  Call: (268) [user] read_until_eol((0x558d99e6bec0), _652328)
   Call: (269) [system] get_char((0x558d99e6bec0), _653258)
   Exit: (269) [system] get_char((0x558d99e6bec0), s)
   Call: (269) [system] char_type(s, end_of_line)
   Fail: (269) [system] char_type(s, end_of_line)
   Call: (269) [system] s=end_of_file
   Fail: (269) [system] s=end_of_file
^  Call: (269) [user] read_until_eol((0x558d99e6bec0), _658828)
   Call: (270) [system] get_char((0x558d99e6bec0), _659758)
   Exit: (270) [system] get_char((0x558d99e6bec0), i)
   Call: (270) [system] char_type(i, end_of_line)
   Fail: (270) [system] char_type(i, end_of_line)
   Call: (270) [system] i=end_of_file
   Fail: (270) [system] i=end_of_file
^  Call: (270) [user] read_until_eol((0x558d99e6bec0), _665328)
   Call: (271) [system] get_char((0x558d99e6bec0), _666258)
   Exit: (271) [system] get_char((0x558d99e6bec0), o)
   Call: (271) [system] char_type(o, end_of_line)
   Fail: (271) [system] char_type(o, end_of_line)
   Call: (271) [system] o=end_of_file
   Fail: (271) [system] o=end_of_file
^  Call: (271) [user] read_until_eol((0x558d99e6bec0), _671828)
   Call: (272) [system] get_char((0x558d99e6bec0), _672758)
   Exit: (272) [system] get_char((0x558d99e6bec0), n)
   Call: (272) [system] char_type(n, end_of_line)
   Fail: (272) [system] char_type(n, end_of_line)
   Call: (272) [system] n=end_of_file
   Fail: (272) [system] n=end_of_file
^  Call: (272) [user] read_until_eol((0x558d99e6bec0), _678328)
   Call: (273) [system] get_char((0x558d99e6bec0), _679258)
   Exit: (273) [system] get_char((0x558d99e6bec0), '\n')
   Call: (273) [system] char_type('\n', end_of_line)
   Exit: (273) [system] char_type('\n', end_of_line)
   Call: (273) [system] _678328=""
   Exit: (273) [system] ""=""
^  Exit: (272) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (272) [system] string_concat(n, "", _671828)
   Exit: (272) [system] string_concat(n, "", "n")
^  Exit: (271) [user] read_until_eol((0x558d99e6bec0), "n")
   Call: (271) [system] string_concat(o, "n", _665328)
   Exit: (271) [system] string_concat(o, "n", "on")
^  Exit: (270) [user] read_until_eol((0x558d99e6bec0), "on")
   Call: (270) [system] string_concat(i, "on", _658828)
   Exit: (270) [system] string_concat(i, "on", "ion")
^  Exit: (269) [user] read_until_eol((0x558d99e6bec0), "ion")
   Call: (269) [system] string_concat(s, "ion", _652328)
   Exit: (269) [system] string_concat(s, "ion", "sion")
^  Exit: (268) [user] read_until_eol((0x558d99e6bec0), "sion")
   Call: (268) [system] string_concat(u, "sion", _645828)
   Exit: (268) [system] string_concat(u, "sion", "usion")
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), "usion")
   Call: (267) [system] string_concat(l, "usion", _639328)
   Exit: (267) [system] string_concat(l, "usion", "lusion")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), "lusion")
   Call: (266) [system] string_concat(c, "lusion", _632828)
   Exit: (266) [system] string_concat(c, "lusion", "clusion")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "clusion")
   Call: (265) [system] string_concat(n, "clusion", _626328)
   Exit: (265) [system] string_concat(n, "clusion", "nclusion")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), "nclusion")
   Call: (264) [system] string_concat(o, "nclusion", _619828)
   Exit: (264) [system] string_concat(o, "nclusion", "onclusion")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "onclusion")
   Call: (263) [system] string_concat(c, "onclusion", _613328)
   Exit: (263) [system] string_concat(c, "onclusion", "conclusion")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "conclusion")
   Call: (262) [system] string_concat(' ', "conclusion", _606828)
   Exit: (262) [system] string_concat(' ', "conclusion", " conclusion")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), " conclusion")
   Call: (261) [system] string_concat(o, " conclusion", _600328)
   Exit: (261) [system] string_concat(o, " conclusion", "o conclusion")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "o conclusion")
   Call: (260) [system] string_concat(t, "o conclusion", _593828)
   Exit: (260) [system] string_concat(t, "o conclusion", "to conclusion")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "to conclusion")
   Call: (259) [system] string_concat(' ', "to conclusion", _587328)
   Exit: (259) [system] string_concat(' ', "to conclusion", " to conclusion")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), " to conclusion")
   Call: (258) [system] string_concat(s, " to conclusion", _580828)
   Exit: (258) [system] string_concat(s, " to conclusion", "s to conclusion")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "s to conclusion")
   Call: (257) [system] string_concat(e, "s to conclusion", _574328)
   Exit: (257) [system] string_concat(e, "s to conclusion", "es to conclusion")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "es to conclusion")
   Call: (256) [system] string_concat(s, "es to conclusion", _567828)
   Exit: (256) [system] string_concat(s, "es to conclusion", "ses to conclusion")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "ses to conclusion")
   Call: (255) [system] string_concat(i, "ses to conclusion", _561328)
   Exit: (255) [system] string_concat(i, "ses to conclusion", "ises to conclusion")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "ises to conclusion")
   Call: (254) [system] string_concat(m, "ises to conclusion", _554828)
   Exit: (254) [system] string_concat(m, "ises to conclusion", "mises to conclusion")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "mises to conclusion")
   Call: (253) [system] string_concat(e, "mises to conclusion", _548328)
   Exit: (253) [system] string_concat(e, "mises to conclusion", "emises to conclusion")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "emises to conclusion")
   Call: (252) [system] string_concat(r, "emises to conclusion", _541828)
   Exit: (252) [system] string_concat(r, "emises to conclusion", "remises to conclusion")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "remises to conclusion")
   Call: (251) [system] string_concat(p, "remises to conclusion", _535328)
   Exit: (251) [system] string_concat(p, "remises to conclusion", "premises to conclusion")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "premises to conclusion")
   Call: (250) [system] string_concat(' ', "premises to conclusion", _528828)
   Exit: (250) [system] string_concat(' ', "premises to conclusion", " premises to conclusion")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), " premises to conclusion")
   Call: (249) [system] string_concat(g, " premises to conclusion", _522328)
   Exit: (249) [system] string_concat(g, " premises to conclusion", "g premises to conclusion")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "g premises to conclusion")
   Call: (248) [system] string_concat(n, "g premises to conclusion", _515828)
   Exit: (248) [system] string_concat(n, "g premises to conclusion", "ng premises to conclusion")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "ng premises to conclusion")
   Call: (247) [system] string_concat(i, "ng premises to conclusion", _509328)
   Exit: (247) [system] string_concat(i, "ng premises to conclusion", "ing premises to conclusion")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "ing premises to conclusion")
   Call: (246) [system] string_concat(p, "ing premises to conclusion", _502828)
   Exit: (246) [system] string_concat(p, "ing premises to conclusion", "ping premises to conclusion")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "ping premises to conclusion")
   Call: (245) [system] string_concat(p, "ping premises to conclusion", _496328)
   Exit: (245) [system] string_concat(p, "ping premises to conclusion", "pping premises to conclusion")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "pping premises to conclusion")
   Call: (244) [system] string_concat(a, "pping premises to conclusion", _489828)
   Exit: (244) [system] string_concat(a, "pping premises to conclusion", "apping premises to conclusion")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "apping premises to conclusion")
   Call: (243) [system] string_concat(m, "apping premises to conclusion", _483328)
   Exit: (243) [system] string_concat(m, "apping premises to conclusion", "mapping premises to conclusion")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "mapping premises to conclusion")
   Call: (242) [system] string_concat(' ', "mapping premises to conclusion", _476828)
   Exit: (242) [system] string_concat(' ', "mapping premises to conclusion", " mapping premises to conclusion")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), " mapping premises to conclusion")
   Call: (241) [system] string_concat(n, " mapping premises to conclusion", _470328)
   Exit: (241) [system] string_concat(n, " mapping premises to conclusion", "n mapping premises to conclusion")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "n mapping premises to conclusion")
   Call: (240) [system] string_concat(o, "n mapping premises to conclusion", _463828)
   Exit: (240) [system] string_concat(o, "n mapping premises to conclusion", "on mapping premises to conclusion")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "on mapping premises to conclusion")
   Call: (239) [system] string_concat(i, "on mapping premises to conclusion", _457328)
   Exit: (239) [system] string_concat(i, "on mapping premises to conclusion", "ion mapping premises to conclusion")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "ion mapping premises to conclusion")
   Call: (238) [system] string_concat(t, "ion mapping premises to conclusion", _450828)
   Exit: (238) [system] string_concat(t, "ion mapping premises to conclusion", "tion mapping premises to conclusion")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "tion mapping premises to conclusion")
   Call: (237) [system] string_concat(c, "tion mapping premises to conclusion", _444328)
   Exit: (237) [system] string_concat(c, "tion mapping premises to conclusion", "ction mapping premises to conclusion")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "ction mapping premises to conclusion")
   Call: (236) [system] string_concat(n, "ction mapping premises to conclusion", _437828)
   Exit: (236) [system] string_concat(n, "ction mapping premises to conclusion", "nction mapping premises to conclusion")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "nction mapping premises to conclusion")
   Call: (235) [system] string_concat(u, "nction mapping premises to conclusion", _431328)
   Exit: (235) [system] string_concat(u, "nction mapping premises to conclusion", "unction mapping premises to conclusion")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "unction mapping premises to conclusion")
   Call: (234) [system] string_concat(f, "unction mapping premises to conclusion", _424828)
   Exit: (234) [system] string_concat(f, "unction mapping premises to conclusion", "function mapping premises to conclusion")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "function mapping premises to conclusion")
   Call: (233) [system] string_concat(' ', "function mapping premises to conclusion", _418328)
   Exit: (233) [system] string_concat(' ', "function mapping premises to conclusion", " function mapping premises to conclusion")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), " function mapping premises to conclusion")
   Call: (232) [system] string_concat(a, " function mapping premises to conclusion", _411828)
   Exit: (232) [system] string_concat(a, " function mapping premises to conclusion", "a function mapping premises to conclusion")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "a function mapping premises to conclusion")
   Call: (231) [system] string_concat(' ', "a function mapping premises to conclusion", _405328)
   Exit: (231) [system] string_concat(' ', "a function mapping premises to conclusion", " a function mapping premises to conclusion")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), " a function mapping premises to conclusion")
   Call: (230) [system] string_concat(s, " a function mapping premises to conclusion", _398828)
   Exit: (230) [system] string_concat(s, " a function mapping premises to conclusion", "s a function mapping premises to conclusion")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "s a function mapping premises to conclusion")
   Call: (229) [system] string_concat(i, "s a function mapping premises to conclusion", _392328)
   Exit: (229) [system] string_concat(i, "s a function mapping premises to conclusion", "is a function mapping premises to conclusion")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "is a function mapping premises to conclusion")
   Call: (228) [system] string_concat(' ', "is a function mapping premises to conclusion", _385828)
   Exit: (228) [system] string_concat(' ', "is a function mapping premises to conclusion", " is a function mapping premises to conclusion")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), " is a function mapping premises to conclusion")
   Call: (227) [system] string_concat(e, " is a function mapping premises to conclusion", _379328)
   Exit: (227) [system] string_concat(e, " is a function mapping premises to conclusion", "e is a function mapping premises to conclusion")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "e is a function mapping premises to conclusion")
   Call: (226) [system] string_concat(l, "e is a function mapping premises to conclusion", _372828)
   Exit: (226) [system] string_concat(l, "e is a function mapping premises to conclusion", "le is a function mapping premises to conclusion")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "le is a function mapping premises to conclusion")
   Call: (225) [system] string_concat(u, "le is a function mapping premises to conclusion", _366328)
   Exit: (225) [system] string_concat(u, "le is a function mapping premises to conclusion", "ule is a function mapping premises to conclusion")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "ule is a function mapping premises to conclusion")
   Call: (224) [system] string_concat(r, "ule is a function mapping premises to conclusion", _359828)
   Exit: (224) [system] string_concat(r, "ule is a function mapping premises to conclusion", "rule is a function mapping premises to conclusion")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "rule is a function mapping premises to conclusion")
   Call: (223) [system] string_concat(' ', "rule is a function mapping premises to conclusion", _353328)
   Exit: (223) [system] string_concat(' ', "rule is a function mapping premises to conclusion", " rule is a function mapping premises to conclusion")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), " rule is a function mapping premises to conclusion")
   Call: (222) [system] string_concat('A', " rule is a function mapping premises to conclusion", _346828)
   Exit: (222) [system] string_concat('A', " rule is a function mapping premises to conclusion", "A rule is a function mapping premises to conclusion")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "A rule is a function mapping premises to conclusion")
   Call: (221) [system] string_concat(' ', "A rule is a function mapping premises to conclusion", _340328)
   Exit: (221) [system] string_concat(' ', "A rule is a function mapping premises to conclusion", " A rule is a function mapping premises to conclusion")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), " A rule is a function mapping premises to conclusion")
   Call: (220) [system] string_concat(' ', " A rule is a function mapping premises to conclusion", _333828)
   Exit: (220) [system] string_concat(' ', " A rule is a function mapping premises to conclusion", "  A rule is a function mapping premises to conclusion")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "  A rule is a function mapping premises to conclusion")
   Call: (219) [system] string_concat('.', "  A rule is a function mapping premises to conclusion", _327328)
   Exit: (219) [system] string_concat('.', "  A rule is a function mapping premises to conclusion", ".  A rule is a function mapping premises to conclusion")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), ".  A rule is a function mapping premises to conclusion")
   Call: (218) [system] string_concat(e, ".  A rule is a function mapping premises to conclusion", _320828)
   Exit: (218) [system] string_concat(e, ".  A rule is a function mapping premises to conclusion", "e.  A rule is a function mapping premises to conclusion")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "e.  A rule is a function mapping premises to conclusion")
   Call: (217) [system] string_concat(l, "e.  A rule is a function mapping premises to conclusion", _314328)
   Exit: (217) [system] string_concat(l, "e.  A rule is a function mapping premises to conclusion", "le.  A rule is a function mapping premises to conclusion")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "le.  A rule is a function mapping premises to conclusion")
   Call: (216) [system] string_concat(u, "le.  A rule is a function mapping premises to conclusion", _307828)
   Exit: (216) [system] string_concat(u, "le.  A rule is a function mapping premises to conclusion", "ule.  A rule is a function mapping premises to conclusion")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "ule.  A rule is a function mapping premises to conclusion")
   Call: (215) [system] string_concat(r, "ule.  A rule is a function mapping premises to conclusion", _301328)
   Exit: (215) [system] string_concat(r, "ule.  A rule is a function mapping premises to conclusion", "rule.  A rule is a function mapping premises to conclusion")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "rule.  A rule is a function mapping premises to conclusion")
   Call: (214) [system] string_concat(' ', "rule.  A rule is a function mapping premises to conclusion", _294828)
   Exit: (214) [system] string_concat(' ', "rule.  A rule is a function mapping premises to conclusion", " rule.  A rule is a function mapping premises to conclusion")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), " rule.  A rule is a function mapping premises to conclusion")
   Call: (213) [system] string_concat(' ', " rule.  A rule is a function mapping premises to conclusion", _288328)
   Exit: (213) [system] string_concat(' ', " rule.  A rule is a function mapping premises to conclusion", "  rule.  A rule is a function mapping premises to conclusion")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "  rule.  A rule is a function mapping premises to conclusion")
   Call: (212) [system] string_concat(' ', "  rule.  A rule is a function mapping premises to conclusion", _281828)
   Exit: (212) [system] string_concat(' ', "  rule.  A rule is a function mapping premises to conclusion", "   rule.  A rule is a function mapping premises to conclusion")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "   rule.  A rule is a function mapping premises to conclusion")
   Call: (211) [system] string_concat(' ', "   rule.  A rule is a function mapping premises to conclusion", _275328)
   Exit: (211) [system] string_concat(' ', "   rule.  A rule is a function mapping premises to conclusion", "    rule.  A rule is a function mapping premises to conclusion")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "    rule.  A rule is a function mapping premises to conclusion")
   Call: (210) [system] string_concat(' ', "    rule.  A rule is a function mapping premises to conclusion", _268828)
   Exit: (210) [system] string_concat(' ', "    rule.  A rule is a function mapping premises to conclusion", "     rule.  A rule is a function mapping premises to conclusion")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "     rule.  A rule is a function mapping premises to conclusion")
   Call: (209) [system] string_concat(' ', "     rule.  A rule is a function mapping premises to conclusion", _262328)
   Exit: (209) [system] string_concat(' ', "     rule.  A rule is a function mapping premises to conclusion", "      rule.  A rule is a function mapping premises to conclusion")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "      rule.  A rule is a function mapping premises to conclusion")
   Call: (208) [system] string_concat(;, "      rule.  A rule is a function mapping premises to conclusion", _255828)
   Exit: (208) [system] string_concat(;, "      rule.  A rule is a function mapping premises to conclusion", ";      rule.  A rule is a function mapping premises to conclusion")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), ";      rule.  A rule is a function mapping premises to conclusion")
   Call: (207) [system] string_concat(;, ";      rule.  A rule is a function mapping premises to conclusion", _249328)
   Exit: (207) [system] string_concat(;, ";      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), ";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (205) [user] read_comment((0x558d99e6bec0))
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _874670)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ;)
   Call: (206) [system] (;)=(;)
   Exit: (206) [system] (;)=(;)
^  Call: (206) [user] read_comment((0x558d99e6bec0))
^  Call: (207) [user] read_position((0x558d99e6bec0), _879308, _879310, _879312, _879314)
   Call: (208) [system] stream_property((0x558d99e6bec0), position(_879314))
   Call: (209) [system] nonvar((0x558d99e6bec0))
   Exit: (209) [system] nonvar((0x558d99e6bec0))
   Call: (209) [system] nonvar(position(_879314))
   Exit: (209) [system] nonvar(position(_879314))
   Exit: (208) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1309, 41, 0, 1309)))
   Call: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), _879308)
   Call: (209) [system] nonvar(line_count)
   Exit: (209) [system] nonvar(line_count)
   Call: (209) [$syspreds] stream_position_field(line_count, _888602)
   Exit: (209) [$syspreds] stream_position_field(line_count, 2)
   Call: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), _879308)
   Exit: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), 41)
   Exit: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), 41)
   Call: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), _879310)
   Call: (209) [system] nonvar(line_position)
   Exit: (209) [system] nonvar(line_position)
   Call: (209) [$syspreds] stream_position_field(line_position, _896036)
   Exit: (209) [$syspreds] stream_position_field(line_position, 3)
   Call: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), _879310)
   Exit: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), 0)
   Exit: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), 0)
   Call: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), _879312)
   Call: (209) [system] nonvar(char_count)
   Exit: (209) [system] nonvar(char_count)
   Call: (209) [$syspreds] stream_position_field(char_count, _903470)
   Exit: (209) [$syspreds] stream_position_field(char_count, 1)
   Call: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), _879312)
   Exit: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), 1309)
   Exit: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), 1309)
^  Exit: (207) [user] read_position((0x558d99e6bec0), 41, 0, 1309, '$stream_position'(1309, 41, 0, 1309))
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _909064)
   Call: (208) [system] get_char((0x558d99e6bec0), _909994)
   Exit: (208) [system] get_char((0x558d99e6bec0), ;)
   Call: (208) [system] char_type(;, end_of_line)
   Fail: (208) [system] char_type(;, end_of_line)
   Call: (208) [system] (;)=end_of_file
   Fail: (208) [system] (;)=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _915564)
   Call: (209) [system] get_char((0x558d99e6bec0), _916494)
   Exit: (209) [system] get_char((0x558d99e6bec0), ;)
   Call: (209) [system] char_type(;, end_of_line)
   Fail: (209) [system] char_type(;, end_of_line)
   Call: (209) [system] (;)=end_of_file
   Fail: (209) [system] (;)=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _922064)
   Call: (210) [system] get_char((0x558d99e6bec0), _922994)
   Exit: (210) [system] get_char((0x558d99e6bec0), '\t')
   Call: (210) [system] char_type('\t', end_of_line)
   Fail: (210) [system] char_type('\t', end_of_line)
   Call: (210) [system] '\t'=end_of_file
   Fail: (210) [system] '\t'=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _928564)
   Call: (211) [system] get_char((0x558d99e6bec0), _929494)
   Exit: (211) [system] get_char((0x558d99e6bec0), '\t')
   Call: (211) [system] char_type('\t', end_of_line)
   Fail: (211) [system] char_type('\t', end_of_line)
   Call: (211) [system] '\t'=end_of_file
   Fail: (211) [system] '\t'=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _935064)
   Call: (212) [system] get_char((0x558d99e6bec0), _935994)
   Exit: (212) [system] get_char((0x558d99e6bec0), '\n')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
   Call: (212) [system] _935064=""
   Exit: (212) [system] ""=""
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (211) [system] string_concat('\t', "", _928564)
   Exit: (211) [system] string_concat('\t', "", "\t")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "\t")
   Call: (210) [system] string_concat('\t', "\t", _922064)
   Exit: (210) [system] string_concat('\t', "\t", "\t\t")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "\t\t")
   Call: (209) [system] string_concat(;, "\t\t", _915564)
   Exit: (209) [system] string_concat(;, "\t\t", ";\t\t")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), ";\t\t")
   Call: (208) [system] string_concat(;, ";\t\t", _909064)
   Exit: (208) [system] string_concat(;, ";\t\t", ";;\t\t")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), ";;\t\t")
^  Call: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (206) [user] read_comment((0x558d99e6bec0))
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _957418)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ;)
   Call: (207) [system] (;)=(;)
   Exit: (207) [system] (;)=(;)
^  Call: (207) [user] read_comment((0x558d99e6bec0))
^  Call: (208) [user] read_position((0x558d99e6bec0), _962056, _962058, _962060, _962062)
   Call: (209) [system] stream_property((0x558d99e6bec0), position(_962062))
   Call: (210) [system] nonvar((0x558d99e6bec0))
   Exit: (210) [system] nonvar((0x558d99e6bec0))
   Call: (210) [system] nonvar(position(_962062))
   Exit: (210) [system] nonvar(position(_962062))
   Exit: (209) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1314, 42, 0, 1314)))
   Call: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), _962056)
   Call: (210) [system] nonvar(line_count)
   Exit: (210) [system] nonvar(line_count)
   Call: (210) [$syspreds] stream_position_field(line_count, _971350)
   Exit: (210) [$syspreds] stream_position_field(line_count, 2)
   Call: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), _962056)
   Exit: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), 42)
   Exit: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), 42)
   Call: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), _962058)
   Call: (210) [system] nonvar(line_position)
   Exit: (210) [system] nonvar(line_position)
   Call: (210) [$syspreds] stream_position_field(line_position, _978784)
   Exit: (210) [$syspreds] stream_position_field(line_position, 3)
   Call: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), _962058)
   Exit: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), 0)
   Exit: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), 0)
   Call: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), _962060)
   Call: (210) [system] nonvar(char_count)
   Exit: (210) [system] nonvar(char_count)
   Call: (210) [$syspreds] stream_position_field(char_count, _986218)
   Exit: (210) [$syspreds] stream_position_field(char_count, 1)
   Call: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), _962060)
   Exit: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), 1314)
   Exit: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), 1314)
^  Exit: (208) [user] read_position((0x558d99e6bec0), 42, 0, 1314, '$stream_position'(1314, 42, 0, 1314))
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _991812)
   Call: (209) [system] get_char((0x558d99e6bec0), _992742)
   Exit: (209) [system] get_char((0x558d99e6bec0), ;)
   Call: (209) [system] char_type(;, end_of_line)
   Fail: (209) [system] char_type(;, end_of_line)
   Call: (209) [system] (;)=end_of_file
   Fail: (209) [system] (;)=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _998312)
   Call: (210) [system] get_char((0x558d99e6bec0), _999242)
   Exit: (210) [system] get_char((0x558d99e6bec0), ;)
   Call: (210) [system] char_type(;, end_of_line)
   Fail: (210) [system] char_type(;, end_of_line)
   Call: (210) [system] (;)=end_of_file
   Fail: (210) [system] (;)=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1004812)
   Call: (211) [system] get_char((0x558d99e6bec0), _1005742)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Fail: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
   Fail: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1011312)
   Call: (212) [system] get_char((0x558d99e6bec0), _1012242)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Fail: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
   Fail: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1017812)
   Call: (213) [system] get_char((0x558d99e6bec0), _1018742)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1024312)
   Call: (214) [system] get_char((0x558d99e6bec0), _1025242)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Fail: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
   Fail: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1030812)
   Call: (215) [system] get_char((0x558d99e6bec0), _1031742)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
   Call: (215) [system] char_type(' ', end_of_line)
   Fail: (215) [system] char_type(' ', end_of_line)
   Call: (215) [system] ' '=end_of_file
   Fail: (215) [system] ' '=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1037312)
   Call: (216) [system] get_char((0x558d99e6bec0), _1038242)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Fail: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
   Fail: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1043812)
   Call: (217) [system] get_char((0x558d99e6bec0), _1044742)
   Exit: (217) [system] get_char((0x558d99e6bec0), w)
   Call: (217) [system] char_type(w, end_of_line)
   Fail: (217) [system] char_type(w, end_of_line)
   Call: (217) [system] w=end_of_file
   Fail: (217) [system] w=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1050312)
   Call: (218) [system] get_char((0x558d99e6bec0), _1051242)
   Exit: (218) [system] get_char((0x558d99e6bec0), h)
   Call: (218) [system] char_type(h, end_of_line)
   Fail: (218) [system] char_type(h, end_of_line)
   Call: (218) [system] h=end_of_file
   Fail: (218) [system] h=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1056812)
   Call: (219) [system] get_char((0x558d99e6bec0), _1057742)
   Exit: (219) [system] get_char((0x558d99e6bec0), e)
   Call: (219) [system] char_type(e, end_of_line)
   Fail: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
   Fail: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1063312)
   Call: (220) [system] get_char((0x558d99e6bec0), _1064242)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] char_type(r, end_of_line)
   Fail: (220) [system] char_type(r, end_of_line)
   Call: (220) [system] r=end_of_file
   Fail: (220) [system] r=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1069812)
   Call: (221) [system] get_char((0x558d99e6bec0), _1070742)
   Exit: (221) [system] get_char((0x558d99e6bec0), e)
   Call: (221) [system] char_type(e, end_of_line)
   Fail: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
   Fail: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1076312)
   Call: (222) [system] get_char((0x558d99e6bec0), _1077242)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Fail: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
   Fail: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1082812)
   Call: (223) [system] get_char((0x558d99e6bec0), _1083742)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] char_type(p, end_of_line)
   Fail: (223) [system] char_type(p, end_of_line)
   Call: (223) [system] p=end_of_file
   Fail: (223) [system] p=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1089312)
   Call: (224) [system] get_char((0x558d99e6bec0), _1090242)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] char_type(r, end_of_line)
   Fail: (224) [system] char_type(r, end_of_line)
   Call: (224) [system] r=end_of_file
   Fail: (224) [system] r=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1095812)
   Call: (225) [system] get_char((0x558d99e6bec0), _1096742)
   Exit: (225) [system] get_char((0x558d99e6bec0), e)
   Call: (225) [system] char_type(e, end_of_line)
   Fail: (225) [system] char_type(e, end_of_line)
   Call: (225) [system] e=end_of_file
   Fail: (225) [system] e=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1102312)
   Call: (226) [system] get_char((0x558d99e6bec0), _1103242)
   Exit: (226) [system] get_char((0x558d99e6bec0), m)
   Call: (226) [system] char_type(m, end_of_line)
   Fail: (226) [system] char_type(m, end_of_line)
   Call: (226) [system] m=end_of_file
   Fail: (226) [system] m=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1108812)
   Call: (227) [system] get_char((0x558d99e6bec0), _1109742)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] char_type(i, end_of_line)
   Fail: (227) [system] char_type(i, end_of_line)
   Call: (227) [system] i=end_of_file
   Fail: (227) [system] i=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1115312)
   Call: (228) [system] get_char((0x558d99e6bec0), _1116242)
   Exit: (228) [system] get_char((0x558d99e6bec0), s)
   Call: (228) [system] char_type(s, end_of_line)
   Fail: (228) [system] char_type(s, end_of_line)
   Call: (228) [system] s=end_of_file
   Fail: (228) [system] s=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1121812)
   Call: (229) [system] get_char((0x558d99e6bec0), _1122742)
   Exit: (229) [system] get_char((0x558d99e6bec0), e)
   Call: (229) [system] char_type(e, end_of_line)
   Fail: (229) [system] char_type(e, end_of_line)
   Call: (229) [system] e=end_of_file
   Fail: (229) [system] e=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1128312)
   Call: (230) [system] get_char((0x558d99e6bec0), _1129242)
   Exit: (230) [system] get_char((0x558d99e6bec0), s)
   Call: (230) [system] char_type(s, end_of_line)
   Fail: (230) [system] char_type(s, end_of_line)
   Call: (230) [system] s=end_of_file
   Fail: (230) [system] s=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1134812)
   Call: (231) [system] get_char((0x558d99e6bec0), _1135742)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Fail: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
   Fail: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1141312)
   Call: (232) [system] get_char((0x558d99e6bec0), _1142242)
   Exit: (232) [system] get_char((0x558d99e6bec0), a)
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1147812)
   Call: (233) [system] get_char((0x558d99e6bec0), _1148742)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] char_type(n, end_of_line)
   Fail: (233) [system] char_type(n, end_of_line)
   Call: (233) [system] n=end_of_file
   Fail: (233) [system] n=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1154312)
   Call: (234) [system] get_char((0x558d99e6bec0), _1155242)
   Exit: (234) [system] get_char((0x558d99e6bec0), d)
   Call: (234) [system] char_type(d, end_of_line)
   Fail: (234) [system] char_type(d, end_of_line)
   Call: (234) [system] d=end_of_file
   Fail: (234) [system] d=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1160812)
   Call: (235) [system] get_char((0x558d99e6bec0), _1161742)
   Exit: (235) [system] get_char((0x558d99e6bec0), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Fail: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
   Fail: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1167312)
   Call: (236) [system] get_char((0x558d99e6bec0), _1168242)
   Exit: (236) [system] get_char((0x558d99e6bec0), c)
   Call: (236) [system] char_type(c, end_of_line)
   Fail: (236) [system] char_type(c, end_of_line)
   Call: (236) [system] c=end_of_file
   Fail: (236) [system] c=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1173812)
   Call: (237) [system] get_char((0x558d99e6bec0), _1174742)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] char_type(o, end_of_line)
   Fail: (237) [system] char_type(o, end_of_line)
   Call: (237) [system] o=end_of_file
   Fail: (237) [system] o=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1180312)
   Call: (238) [system] get_char((0x558d99e6bec0), _1181242)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] char_type(n, end_of_line)
   Fail: (238) [system] char_type(n, end_of_line)
   Call: (238) [system] n=end_of_file
   Fail: (238) [system] n=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1186812)
   Call: (239) [system] get_char((0x558d99e6bec0), _1187742)
   Exit: (239) [system] get_char((0x558d99e6bec0), c)
   Call: (239) [system] char_type(c, end_of_line)
   Fail: (239) [system] char_type(c, end_of_line)
   Call: (239) [system] c=end_of_file
   Fail: (239) [system] c=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1193312)
   Call: (240) [system] get_char((0x558d99e6bec0), _1194242)
   Exit: (240) [system] get_char((0x558d99e6bec0), l)
   Call: (240) [system] char_type(l, end_of_line)
   Fail: (240) [system] char_type(l, end_of_line)
   Call: (240) [system] l=end_of_file
   Fail: (240) [system] l=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _1199812)
   Call: (241) [system] get_char((0x558d99e6bec0), _1200742)
   Exit: (241) [system] get_char((0x558d99e6bec0), u)
   Call: (241) [system] char_type(u, end_of_line)
   Fail: (241) [system] char_type(u, end_of_line)
   Call: (241) [system] u=end_of_file
   Fail: (241) [system] u=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _1206312)
   Call: (242) [system] get_char((0x558d99e6bec0), _1207242)
   Exit: (242) [system] get_char((0x558d99e6bec0), s)
   Call: (242) [system] char_type(s, end_of_line)
   Fail: (242) [system] char_type(s, end_of_line)
   Call: (242) [system] s=end_of_file
   Fail: (242) [system] s=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _1212812)
   Call: (243) [system] get_char((0x558d99e6bec0), _1213742)
   Exit: (243) [system] get_char((0x558d99e6bec0), i)
   Call: (243) [system] char_type(i, end_of_line)
   Fail: (243) [system] char_type(i, end_of_line)
   Call: (243) [system] i=end_of_file
   Fail: (243) [system] i=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _1219312)
   Call: (244) [system] get_char((0x558d99e6bec0), _1220242)
   Exit: (244) [system] get_char((0x558d99e6bec0), o)
   Call: (244) [system] char_type(o, end_of_line)
   Fail: (244) [system] char_type(o, end_of_line)
   Call: (244) [system] o=end_of_file
   Fail: (244) [system] o=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _1225812)
   Call: (245) [system] get_char((0x558d99e6bec0), _1226742)
   Exit: (245) [system] get_char((0x558d99e6bec0), n)
   Call: (245) [system] char_type(n, end_of_line)
   Fail: (245) [system] char_type(n, end_of_line)
   Call: (245) [system] n=end_of_file
   Fail: (245) [system] n=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _1232312)
   Call: (246) [system] get_char((0x558d99e6bec0), _1233242)
   Exit: (246) [system] get_char((0x558d99e6bec0), ' ')
   Call: (246) [system] char_type(' ', end_of_line)
   Fail: (246) [system] char_type(' ', end_of_line)
   Call: (246) [system] ' '=end_of_file
   Fail: (246) [system] ' '=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _1238812)
   Call: (247) [system] get_char((0x558d99e6bec0), _1239742)
   Exit: (247) [system] get_char((0x558d99e6bec0), h)
   Call: (247) [system] char_type(h, end_of_line)
   Fail: (247) [system] char_type(h, end_of_line)
   Call: (247) [system] h=end_of_file
   Fail: (247) [system] h=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _1245312)
   Call: (248) [system] get_char((0x558d99e6bec0), _1246242)
   Exit: (248) [system] get_char((0x558d99e6bec0), a)
   Call: (248) [system] char_type(a, end_of_line)
   Fail: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] a=end_of_file
   Fail: (248) [system] a=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _1251812)
   Call: (249) [system] get_char((0x558d99e6bec0), _1252742)
   Exit: (249) [system] get_char((0x558d99e6bec0), v)
   Call: (249) [system] char_type(v, end_of_line)
   Fail: (249) [system] char_type(v, end_of_line)
   Call: (249) [system] v=end_of_file
   Fail: (249) [system] v=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _1258312)
   Call: (250) [system] get_char((0x558d99e6bec0), _1259242)
   Exit: (250) [system] get_char((0x558d99e6bec0), e)
   Call: (250) [system] char_type(e, end_of_line)
   Fail: (250) [system] char_type(e, end_of_line)
   Call: (250) [system] e=end_of_file
   Fail: (250) [system] e=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _1264812)
   Call: (251) [system] get_char((0x558d99e6bec0), _1265742)
   Exit: (251) [system] get_char((0x558d99e6bec0), ' ')
   Call: (251) [system] char_type(' ', end_of_line)
   Fail: (251) [system] char_type(' ', end_of_line)
   Call: (251) [system] ' '=end_of_file
   Fail: (251) [system] ' '=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _1271312)
   Call: (252) [system] get_char((0x558d99e6bec0), _1272242)
   Exit: (252) [system] get_char((0x558d99e6bec0), t)
   Call: (252) [system] char_type(t, end_of_line)
   Fail: (252) [system] char_type(t, end_of_line)
   Call: (252) [system] t=end_of_file
   Fail: (252) [system] t=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _1277812)
   Call: (253) [system] get_char((0x558d99e6bec0), _1278742)
   Exit: (253) [system] get_char((0x558d99e6bec0), h)
   Call: (253) [system] char_type(h, end_of_line)
   Fail: (253) [system] char_type(h, end_of_line)
   Call: (253) [system] h=end_of_file
   Fail: (253) [system] h=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _1284312)
   Call: (254) [system] get_char((0x558d99e6bec0), _1285242)
   Exit: (254) [system] get_char((0x558d99e6bec0), e)
   Call: (254) [system] char_type(e, end_of_line)
   Fail: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
   Fail: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _1290812)
   Call: (255) [system] get_char((0x558d99e6bec0), _1291742)
   Exit: (255) [system] get_char((0x558d99e6bec0), ' ')
   Call: (255) [system] char_type(' ', end_of_line)
   Fail: (255) [system] char_type(' ', end_of_line)
   Call: (255) [system] ' '=end_of_file
   Fail: (255) [system] ' '=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _1297312)
   Call: (256) [system] get_char((0x558d99e6bec0), _1298242)
   Exit: (256) [system] get_char((0x558d99e6bec0), f)
   Call: (256) [system] char_type(f, end_of_line)
   Fail: (256) [system] char_type(f, end_of_line)
   Call: (256) [system] f=end_of_file
   Fail: (256) [system] f=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _1303812)
   Call: (257) [system] get_char((0x558d99e6bec0), _1304742)
   Exit: (257) [system] get_char((0x558d99e6bec0), o)
   Call: (257) [system] char_type(o, end_of_line)
   Fail: (257) [system] char_type(o, end_of_line)
   Call: (257) [system] o=end_of_file
   Fail: (257) [system] o=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _1310312)
   Call: (258) [system] get_char((0x558d99e6bec0), _1311242)
   Exit: (258) [system] get_char((0x558d99e6bec0), r)
   Call: (258) [system] char_type(r, end_of_line)
   Fail: (258) [system] char_type(r, end_of_line)
   Call: (258) [system] r=end_of_file
   Fail: (258) [system] r=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _1316812)
   Call: (259) [system] get_char((0x558d99e6bec0), _1317742)
   Exit: (259) [system] get_char((0x558d99e6bec0), m)
   Call: (259) [system] char_type(m, end_of_line)
   Fail: (259) [system] char_type(m, end_of_line)
   Call: (259) [system] m=end_of_file
   Fail: (259) [system] m=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _1323312)
   Call: (260) [system] get_char((0x558d99e6bec0), _1324242)
   Exit: (260) [system] get_char((0x558d99e6bec0), ' ')
   Call: (260) [system] char_type(' ', end_of_line)
   Fail: (260) [system] char_type(' ', end_of_line)
   Call: (260) [system] ' '=end_of_file
   Fail: (260) [system] ' '=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _1329812)
   Call: (261) [system] get_char((0x558d99e6bec0), _1330742)
   Exit: (261) [system] get_char((0x558d99e6bec0), '(')
   Call: (261) [system] char_type('(', end_of_line)
   Fail: (261) [system] char_type('(', end_of_line)
   Call: (261) [system] '('=end_of_file
   Fail: (261) [system] '('=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _1336312)
   Call: (262) [system] get_char((0x558d99e6bec0), _1337242)
   Exit: (262) [system] get_char((0x558d99e6bec0), :)
   Call: (262) [system] char_type(:, end_of_line)
   Fail: (262) [system] char_type(:, end_of_line)
   Call: (262) [system] (:)=end_of_file
   Fail: (262) [system] (:)=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _1342812)
   Call: (263) [system] get_char((0x558d99e6bec0), _1343742)
   Exit: (263) [system] get_char((0x558d99e6bec0), ' ')
   Call: (263) [system] char_type(' ', end_of_line)
   Fail: (263) [system] char_type(' ', end_of_line)
   Call: (263) [system] ' '=end_of_file
   Fail: (263) [system] ' '=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _1349312)
   Call: (264) [system] get_char((0x558d99e6bec0), _1350242)
   Exit: (264) [system] get_char((0x558d99e6bec0), 'T')
   Call: (264) [system] char_type('T', end_of_line)
   Fail: (264) [system] char_type('T', end_of_line)
   Call: (264) [system] 'T'=end_of_file
   Fail: (264) [system] 'T'=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _1355812)
   Call: (265) [system] get_char((0x558d99e6bec0), _1356742)
   Exit: (265) [system] get_char((0x558d99e6bec0), 'E')
   Call: (265) [system] char_type('E', end_of_line)
   Fail: (265) [system] char_type('E', end_of_line)
   Call: (265) [system] 'E'=end_of_file
   Fail: (265) [system] 'E'=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _1362312)
   Call: (266) [system] get_char((0x558d99e6bec0), _1363242)
   Exit: (266) [system] get_char((0x558d99e6bec0), 'R')
   Call: (266) [system] char_type('R', end_of_line)
   Fail: (266) [system] char_type('R', end_of_line)
   Call: (266) [system] 'R'=end_of_file
   Fail: (266) [system] 'R'=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _1368812)
   Call: (267) [system] get_char((0x558d99e6bec0), _1369742)
   Exit: (267) [system] get_char((0x558d99e6bec0), 'M')
   Call: (267) [system] char_type('M', end_of_line)
   Fail: (267) [system] char_type('M', end_of_line)
   Call: (267) [system] 'M'=end_of_file
   Fail: (267) [system] 'M'=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _1375312)
   Call: (268) [system] get_char((0x558d99e6bec0), _1376242)
   Exit: (268) [system] get_char((0x558d99e6bec0), ' ')
   Call: (268) [system] char_type(' ', end_of_line)
   Fail: (268) [system] char_type(' ', end_of_line)
   Call: (268) [system] ' '=end_of_file
   Fail: (268) [system] ' '=end_of_file
^  Call: (268) [user] read_until_eol((0x558d99e6bec0), _1381812)
   Call: (269) [system] get_char((0x558d99e6bec0), _1382742)
   Exit: (269) [system] get_char((0x558d99e6bec0), 'T')
   Call: (269) [system] char_type('T', end_of_line)
   Fail: (269) [system] char_type('T', end_of_line)
   Call: (269) [system] 'T'=end_of_file
   Fail: (269) [system] 'T'=end_of_file
^  Call: (269) [user] read_until_eol((0x558d99e6bec0), _1388312)
   Call: (270) [system] get_char((0x558d99e6bec0), _1389242)
   Exit: (270) [system] get_char((0x558d99e6bec0), 'Y')
   Call: (270) [system] char_type('Y', end_of_line)
   Fail: (270) [system] char_type('Y', end_of_line)
   Call: (270) [system] 'Y'=end_of_file
   Fail: (270) [system] 'Y'=end_of_file
^  Call: (270) [user] read_until_eol((0x558d99e6bec0), _1394812)
   Call: (271) [system] get_char((0x558d99e6bec0), _1395742)
   Exit: (271) [system] get_char((0x558d99e6bec0), 'P')
   Call: (271) [system] char_type('P', end_of_line)
   Fail: (271) [system] char_type('P', end_of_line)
   Call: (271) [system] 'P'=end_of_file
   Fail: (271) [system] 'P'=end_of_file
^  Call: (271) [user] read_until_eol((0x558d99e6bec0), _1401312)
   Call: (272) [system] get_char((0x558d99e6bec0), _1402242)
   Exit: (272) [system] get_char((0x558d99e6bec0), 'E')
   Call: (272) [system] char_type('E', end_of_line)
   Fail: (272) [system] char_type('E', end_of_line)
   Call: (272) [system] 'E'=end_of_file
   Fail: (272) [system] 'E'=end_of_file
^  Call: (272) [user] read_until_eol((0x558d99e6bec0), _1407812)
   Call: (273) [system] get_char((0x558d99e6bec0), _1408742)
   Exit: (273) [system] get_char((0x558d99e6bec0), ')')
   Call: (273) [system] char_type(')', end_of_line)
   Fail: (273) [system] char_type(')', end_of_line)
   Call: (273) [system] ')'=end_of_file
   Fail: (273) [system] ')'=end_of_file
^  Call: (273) [user] read_until_eol((0x558d99e6bec0), _1414312)
   Call: (274) [system] get_char((0x558d99e6bec0), _1415242)
   Exit: (274) [system] get_char((0x558d99e6bec0), '.')
   Call: (274) [system] char_type('.', end_of_line)
   Fail: (274) [system] char_type('.', end_of_line)
   Call: (274) [system] ('.')=end_of_file
   Fail: (274) [system] ('.')=end_of_file
^  Call: (274) [user] read_until_eol((0x558d99e6bec0), _1420812)
   Call: (275) [system] get_char((0x558d99e6bec0), _1421742)
   Exit: (275) [system] get_char((0x558d99e6bec0), '\n')
   Call: (275) [system] char_type('\n', end_of_line)
   Exit: (275) [system] char_type('\n', end_of_line)
   Call: (275) [system] _1420812=""
   Exit: (275) [system] ""=""
^  Exit: (274) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (274) [system] string_concat('.', "", _1414312)
   Exit: (274) [system] string_concat('.', "", ".")
^  Exit: (273) [user] read_until_eol((0x558d99e6bec0), ".")
   Call: (273) [system] string_concat(')', ".", _1407812)
   Exit: (273) [system] string_concat(')', ".", ").")
^  Exit: (272) [user] read_until_eol((0x558d99e6bec0), ").")
   Call: (272) [system] string_concat('E', ").", _1401312)
   Exit: (272) [system] string_concat('E', ").", "E).")
^  Exit: (271) [user] read_until_eol((0x558d99e6bec0), "E).")
   Call: (271) [system] string_concat('P', "E).", _1394812)
   Exit: (271) [system] string_concat('P', "E).", "PE).")
^  Exit: (270) [user] read_until_eol((0x558d99e6bec0), "PE).")
   Call: (270) [system] string_concat('Y', "PE).", _1388312)
   Exit: (270) [system] string_concat('Y', "PE).", "YPE).")
^  Exit: (269) [user] read_until_eol((0x558d99e6bec0), "YPE).")
   Call: (269) [system] string_concat('T', "YPE).", _1381812)
   Exit: (269) [system] string_concat('T', "YPE).", "TYPE).")
^  Exit: (268) [user] read_until_eol((0x558d99e6bec0), "TYPE).")
   Call: (268) [system] string_concat(' ', "TYPE).", _1375312)
   Exit: (268) [system] string_concat(' ', "TYPE).", " TYPE).")
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), " TYPE).")
   Call: (267) [system] string_concat('M', " TYPE).", _1368812)
   Exit: (267) [system] string_concat('M', " TYPE).", "M TYPE).")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), "M TYPE).")
   Call: (266) [system] string_concat('R', "M TYPE).", _1362312)
   Exit: (266) [system] string_concat('R', "M TYPE).", "RM TYPE).")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "RM TYPE).")
   Call: (265) [system] string_concat('E', "RM TYPE).", _1355812)
   Exit: (265) [system] string_concat('E', "RM TYPE).", "ERM TYPE).")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), "ERM TYPE).")
   Call: (264) [system] string_concat('T', "ERM TYPE).", _1349312)
   Exit: (264) [system] string_concat('T', "ERM TYPE).", "TERM TYPE).")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "TERM TYPE).")
   Call: (263) [system] string_concat(' ', "TERM TYPE).", _1342812)
   Exit: (263) [system] string_concat(' ', "TERM TYPE).", " TERM TYPE).")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), " TERM TYPE).")
   Call: (262) [system] string_concat(:, " TERM TYPE).", _1336312)
   Exit: (262) [system] string_concat(:, " TERM TYPE).", ": TERM TYPE).")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), ": TERM TYPE).")
   Call: (261) [system] string_concat('(', ": TERM TYPE).", _1329812)
   Exit: (261) [system] string_concat('(', ": TERM TYPE).", "(: TERM TYPE).")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "(: TERM TYPE).")
   Call: (260) [system] string_concat(' ', "(: TERM TYPE).", _1323312)
   Exit: (260) [system] string_concat(' ', "(: TERM TYPE).", " (: TERM TYPE).")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), " (: TERM TYPE).")
   Call: (259) [system] string_concat(m, " (: TERM TYPE).", _1316812)
   Exit: (259) [system] string_concat(m, " (: TERM TYPE).", "m (: TERM TYPE).")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "m (: TERM TYPE).")
   Call: (258) [system] string_concat(r, "m (: TERM TYPE).", _1310312)
   Exit: (258) [system] string_concat(r, "m (: TERM TYPE).", "rm (: TERM TYPE).")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "rm (: TERM TYPE).")
   Call: (257) [system] string_concat(o, "rm (: TERM TYPE).", _1303812)
   Exit: (257) [system] string_concat(o, "rm (: TERM TYPE).", "orm (: TERM TYPE).")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "orm (: TERM TYPE).")
   Call: (256) [system] string_concat(f, "orm (: TERM TYPE).", _1297312)
   Exit: (256) [system] string_concat(f, "orm (: TERM TYPE).", "form (: TERM TYPE).")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "form (: TERM TYPE).")
   Call: (255) [system] string_concat(' ', "form (: TERM TYPE).", _1290812)
   Exit: (255) [system] string_concat(' ', "form (: TERM TYPE).", " form (: TERM TYPE).")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), " form (: TERM TYPE).")
   Call: (254) [system] string_concat(e, " form (: TERM TYPE).", _1284312)
   Exit: (254) [system] string_concat(e, " form (: TERM TYPE).", "e form (: TERM TYPE).")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "e form (: TERM TYPE).")
   Call: (253) [system] string_concat(h, "e form (: TERM TYPE).", _1277812)
   Exit: (253) [system] string_concat(h, "e form (: TERM TYPE).", "he form (: TERM TYPE).")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "he form (: TERM TYPE).")
   Call: (252) [system] string_concat(t, "he form (: TERM TYPE).", _1271312)
   Exit: (252) [system] string_concat(t, "he form (: TERM TYPE).", "the form (: TERM TYPE).")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "the form (: TERM TYPE).")
   Call: (251) [system] string_concat(' ', "the form (: TERM TYPE).", _1264812)
   Exit: (251) [system] string_concat(' ', "the form (: TERM TYPE).", " the form (: TERM TYPE).")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), " the form (: TERM TYPE).")
   Call: (250) [system] string_concat(e, " the form (: TERM TYPE).", _1258312)
   Exit: (250) [system] string_concat(e, " the form (: TERM TYPE).", "e the form (: TERM TYPE).")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "e the form (: TERM TYPE).")
   Call: (249) [system] string_concat(v, "e the form (: TERM TYPE).", _1251812)
   Exit: (249) [system] string_concat(v, "e the form (: TERM TYPE).", "ve the form (: TERM TYPE).")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "ve the form (: TERM TYPE).")
   Call: (248) [system] string_concat(a, "ve the form (: TERM TYPE).", _1245312)
   Exit: (248) [system] string_concat(a, "ve the form (: TERM TYPE).", "ave the form (: TERM TYPE).")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "ave the form (: TERM TYPE).")
   Call: (247) [system] string_concat(h, "ave the form (: TERM TYPE).", _1238812)
   Exit: (247) [system] string_concat(h, "ave the form (: TERM TYPE).", "have the form (: TERM TYPE).")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "have the form (: TERM TYPE).")
   Call: (246) [system] string_concat(' ', "have the form (: TERM TYPE).", _1232312)
   Exit: (246) [system] string_concat(' ', "have the form (: TERM TYPE).", " have the form (: TERM TYPE).")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), " have the form (: TERM TYPE).")
   Call: (245) [system] string_concat(n, " have the form (: TERM TYPE).", _1225812)
   Exit: (245) [system] string_concat(n, " have the form (: TERM TYPE).", "n have the form (: TERM TYPE).")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "n have the form (: TERM TYPE).")
   Call: (244) [system] string_concat(o, "n have the form (: TERM TYPE).", _1219312)
   Exit: (244) [system] string_concat(o, "n have the form (: TERM TYPE).", "on have the form (: TERM TYPE).")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "on have the form (: TERM TYPE).")
   Call: (243) [system] string_concat(i, "on have the form (: TERM TYPE).", _1212812)
   Exit: (243) [system] string_concat(i, "on have the form (: TERM TYPE).", "ion have the form (: TERM TYPE).")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "ion have the form (: TERM TYPE).")
   Call: (242) [system] string_concat(s, "ion have the form (: TERM TYPE).", _1206312)
   Exit: (242) [system] string_concat(s, "ion have the form (: TERM TYPE).", "sion have the form (: TERM TYPE).")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "sion have the form (: TERM TYPE).")
   Call: (241) [system] string_concat(u, "sion have the form (: TERM TYPE).", _1199812)
   Exit: (241) [system] string_concat(u, "sion have the form (: TERM TYPE).", "usion have the form (: TERM TYPE).")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "usion have the form (: TERM TYPE).")
   Call: (240) [system] string_concat(l, "usion have the form (: TERM TYPE).", _1193312)
   Exit: (240) [system] string_concat(l, "usion have the form (: TERM TYPE).", "lusion have the form (: TERM TYPE).")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "lusion have the form (: TERM TYPE).")
   Call: (239) [system] string_concat(c, "lusion have the form (: TERM TYPE).", _1186812)
   Exit: (239) [system] string_concat(c, "lusion have the form (: TERM TYPE).", "clusion have the form (: TERM TYPE).")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "clusion have the form (: TERM TYPE).")
   Call: (238) [system] string_concat(n, "clusion have the form (: TERM TYPE).", _1180312)
   Exit: (238) [system] string_concat(n, "clusion have the form (: TERM TYPE).", "nclusion have the form (: TERM TYPE).")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "nclusion have the form (: TERM TYPE).")
   Call: (237) [system] string_concat(o, "nclusion have the form (: TERM TYPE).", _1173812)
   Exit: (237) [system] string_concat(o, "nclusion have the form (: TERM TYPE).", "onclusion have the form (: TERM TYPE).")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "onclusion have the form (: TERM TYPE).")
   Call: (236) [system] string_concat(c, "onclusion have the form (: TERM TYPE).", _1167312)
   Exit: (236) [system] string_concat(c, "onclusion have the form (: TERM TYPE).", "conclusion have the form (: TERM TYPE).")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "conclusion have the form (: TERM TYPE).")
   Call: (235) [system] string_concat(' ', "conclusion have the form (: TERM TYPE).", _1160812)
   Exit: (235) [system] string_concat(' ', "conclusion have the form (: TERM TYPE).", " conclusion have the form (: TERM TYPE).")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), " conclusion have the form (: TERM TYPE).")
   Call: (234) [system] string_concat(d, " conclusion have the form (: TERM TYPE).", _1154312)
   Exit: (234) [system] string_concat(d, " conclusion have the form (: TERM TYPE).", "d conclusion have the form (: TERM TYPE).")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "d conclusion have the form (: TERM TYPE).")
   Call: (233) [system] string_concat(n, "d conclusion have the form (: TERM TYPE).", _1147812)
   Exit: (233) [system] string_concat(n, "d conclusion have the form (: TERM TYPE).", "nd conclusion have the form (: TERM TYPE).")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "nd conclusion have the form (: TERM TYPE).")
   Call: (232) [system] string_concat(a, "nd conclusion have the form (: TERM TYPE).", _1141312)
   Exit: (232) [system] string_concat(a, "nd conclusion have the form (: TERM TYPE).", "and conclusion have the form (: TERM TYPE).")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "and conclusion have the form (: TERM TYPE).")
   Call: (231) [system] string_concat(' ', "and conclusion have the form (: TERM TYPE).", _1134812)
   Exit: (231) [system] string_concat(' ', "and conclusion have the form (: TERM TYPE).", " and conclusion have the form (: TERM TYPE).")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), " and conclusion have the form (: TERM TYPE).")
   Call: (230) [system] string_concat(s, " and conclusion have the form (: TERM TYPE).", _1128312)
   Exit: (230) [system] string_concat(s, " and conclusion have the form (: TERM TYPE).", "s and conclusion have the form (: TERM TYPE).")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "s and conclusion have the form (: TERM TYPE).")
   Call: (229) [system] string_concat(e, "s and conclusion have the form (: TERM TYPE).", _1121812)
   Exit: (229) [system] string_concat(e, "s and conclusion have the form (: TERM TYPE).", "es and conclusion have the form (: TERM TYPE).")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "es and conclusion have the form (: TERM TYPE).")
   Call: (228) [system] string_concat(s, "es and conclusion have the form (: TERM TYPE).", _1115312)
   Exit: (228) [system] string_concat(s, "es and conclusion have the form (: TERM TYPE).", "ses and conclusion have the form (: TERM TYPE).")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "ses and conclusion have the form (: TERM TYPE).")
   Call: (227) [system] string_concat(i, "ses and conclusion have the form (: TERM TYPE).", _1108812)
   Exit: (227) [system] string_concat(i, "ses and conclusion have the form (: TERM TYPE).", "ises and conclusion have the form (: TERM TYPE).")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "ises and conclusion have the form (: TERM TYPE).")
   Call: (226) [system] string_concat(m, "ises and conclusion have the form (: TERM TYPE).", _1102312)
   Exit: (226) [system] string_concat(m, "ises and conclusion have the form (: TERM TYPE).", "mises and conclusion have the form (: TERM TYPE).")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "mises and conclusion have the form (: TERM TYPE).")
   Call: (225) [system] string_concat(e, "mises and conclusion have the form (: TERM TYPE).", _1095812)
   Exit: (225) [system] string_concat(e, "mises and conclusion have the form (: TERM TYPE).", "emises and conclusion have the form (: TERM TYPE).")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "emises and conclusion have the form (: TERM TYPE).")
   Call: (224) [system] string_concat(r, "emises and conclusion have the form (: TERM TYPE).", _1089312)
   Exit: (224) [system] string_concat(r, "emises and conclusion have the form (: TERM TYPE).", "remises and conclusion have the form (: TERM TYPE).")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "remises and conclusion have the form (: TERM TYPE).")
   Call: (223) [system] string_concat(p, "remises and conclusion have the form (: TERM TYPE).", _1082812)
   Exit: (223) [system] string_concat(p, "remises and conclusion have the form (: TERM TYPE).", "premises and conclusion have the form (: TERM TYPE).")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "premises and conclusion have the form (: TERM TYPE).")
   Call: (222) [system] string_concat(' ', "premises and conclusion have the form (: TERM TYPE).", _1076312)
   Exit: (222) [system] string_concat(' ', "premises and conclusion have the form (: TERM TYPE).", " premises and conclusion have the form (: TERM TYPE).")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), " premises and conclusion have the form (: TERM TYPE).")
   Call: (221) [system] string_concat(e, " premises and conclusion have the form (: TERM TYPE).", _1069812)
   Exit: (221) [system] string_concat(e, " premises and conclusion have the form (: TERM TYPE).", "e premises and conclusion have the form (: TERM TYPE).")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "e premises and conclusion have the form (: TERM TYPE).")
   Call: (220) [system] string_concat(r, "e premises and conclusion have the form (: TERM TYPE).", _1063312)
   Exit: (220) [system] string_concat(r, "e premises and conclusion have the form (: TERM TYPE).", "re premises and conclusion have the form (: TERM TYPE).")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "re premises and conclusion have the form (: TERM TYPE).")
   Call: (219) [system] string_concat(e, "re premises and conclusion have the form (: TERM TYPE).", _1056812)
   Exit: (219) [system] string_concat(e, "re premises and conclusion have the form (: TERM TYPE).", "ere premises and conclusion have the form (: TERM TYPE).")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "ere premises and conclusion have the form (: TERM TYPE).")
   Call: (218) [system] string_concat(h, "ere premises and conclusion have the form (: TERM TYPE).", _1050312)
   Exit: (218) [system] string_concat(h, "ere premises and conclusion have the form (: TERM TYPE).", "here premises and conclusion have the form (: TERM TYPE).")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "here premises and conclusion have the form (: TERM TYPE).")
   Call: (217) [system] string_concat(w, "here premises and conclusion have the form (: TERM TYPE).", _1043812)
   Exit: (217) [system] string_concat(w, "here premises and conclusion have the form (: TERM TYPE).", "where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "where premises and conclusion have the form (: TERM TYPE).")
   Call: (216) [system] string_concat(' ', "where premises and conclusion have the form (: TERM TYPE).", _1037312)
   Exit: (216) [system] string_concat(' ', "where premises and conclusion have the form (: TERM TYPE).", " where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), " where premises and conclusion have the form (: TERM TYPE).")
   Call: (215) [system] string_concat(' ', " where premises and conclusion have the form (: TERM TYPE).", _1030812)
   Exit: (215) [system] string_concat(' ', " where premises and conclusion have the form (: TERM TYPE).", "  where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "  where premises and conclusion have the form (: TERM TYPE).")
   Call: (214) [system] string_concat(' ', "  where premises and conclusion have the form (: TERM TYPE).", _1024312)
   Exit: (214) [system] string_concat(' ', "  where premises and conclusion have the form (: TERM TYPE).", "   where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "   where premises and conclusion have the form (: TERM TYPE).")
   Call: (213) [system] string_concat(' ', "   where premises and conclusion have the form (: TERM TYPE).", _1017812)
   Exit: (213) [system] string_concat(' ', "   where premises and conclusion have the form (: TERM TYPE).", "    where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "    where premises and conclusion have the form (: TERM TYPE).")
   Call: (212) [system] string_concat(' ', "    where premises and conclusion have the form (: TERM TYPE).", _1011312)
   Exit: (212) [system] string_concat(' ', "    where premises and conclusion have the form (: TERM TYPE).", "     where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "     where premises and conclusion have the form (: TERM TYPE).")
   Call: (211) [system] string_concat(' ', "     where premises and conclusion have the form (: TERM TYPE).", _1004812)
   Exit: (211) [system] string_concat(' ', "     where premises and conclusion have the form (: TERM TYPE).", "      where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), "      where premises and conclusion have the form (: TERM TYPE).")
   Call: (210) [system] string_concat(;, "      where premises and conclusion have the form (: TERM TYPE).", _998312)
   Exit: (210) [system] string_concat(;, "      where premises and conclusion have the form (: TERM TYPE).", ";      where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), ";      where premises and conclusion have the form (: TERM TYPE).")
   Call: (209) [system] string_concat(;, ";      where premises and conclusion have the form (: TERM TYPE).", _991812)
   Exit: (209) [system] string_concat(;, ";      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (207) [user] read_comment((0x558d99e6bec0))
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1617154)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ;)
   Call: (208) [system] (;)=(;)
   Exit: (208) [system] (;)=(;)
^  Call: (208) [user] read_comment((0x558d99e6bec0))
^  Call: (209) [user] read_position((0x558d99e6bec0), _1621792, _1621794, _1621796, _1621798)
   Call: (210) [system] stream_property((0x558d99e6bec0), position(_1621798))
   Call: (211) [system] nonvar((0x558d99e6bec0))
   Exit: (211) [system] nonvar((0x558d99e6bec0))
   Call: (211) [system] nonvar(position(_1621798))
   Exit: (211) [system] nonvar(position(_1621798))
   Exit: (210) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1381, 43, 0, 1381)))
   Call: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), _1621792)
   Call: (211) [system] nonvar(line_count)
   Exit: (211) [system] nonvar(line_count)
   Call: (211) [$syspreds] stream_position_field(line_count, _1631086)
   Exit: (211) [$syspreds] stream_position_field(line_count, 2)
   Call: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), _1621792)
   Exit: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), 43)
   Exit: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), 43)
   Call: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), _1621794)
   Call: (211) [system] nonvar(line_position)
   Exit: (211) [system] nonvar(line_position)
   Call: (211) [$syspreds] stream_position_field(line_position, _1638520)
   Exit: (211) [$syspreds] stream_position_field(line_position, 3)
   Call: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), _1621794)
   Exit: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), 0)
   Exit: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), 0)
   Call: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), _1621796)
   Call: (211) [system] nonvar(char_count)
   Exit: (211) [system] nonvar(char_count)
   Call: (211) [$syspreds] stream_position_field(char_count, _1645954)
   Exit: (211) [$syspreds] stream_position_field(char_count, 1)
   Call: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), _1621796)
   Exit: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), 1381)
   Exit: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), 1381)
^  Exit: (209) [user] read_position((0x558d99e6bec0), 43, 0, 1381, '$stream_position'(1381, 43, 0, 1381))
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _1651548)
   Call: (210) [system] get_char((0x558d99e6bec0), _1652478)
   Exit: (210) [system] get_char((0x558d99e6bec0), ;)
   Call: (210) [system] char_type(;, end_of_line)
   Fail: (210) [system] char_type(;, end_of_line)
   Call: (210) [system] (;)=end_of_file
   Fail: (210) [system] (;)=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1658048)
   Call: (211) [system] get_char((0x558d99e6bec0), _1658978)
   Exit: (211) [system] get_char((0x558d99e6bec0), ;)
   Call: (211) [system] char_type(;, end_of_line)
   Fail: (211) [system] char_type(;, end_of_line)
   Call: (211) [system] (;)=end_of_file
   Fail: (211) [system] (;)=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1664548)
   Call: (212) [system] get_char((0x558d99e6bec0), _1665478)
   Exit: (212) [system] get_char((0x558d99e6bec0), '\n')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
   Call: (212) [system] _1664548=""
   Exit: (212) [system] ""=""
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (211) [system] string_concat(;, "", _1658048)
   Exit: (211) [system] string_concat(;, "", ";")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), ";")
   Call: (210) [system] string_concat(;, ";", _1651548)
   Exit: (210) [system] string_concat(;, ";", ";;")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), ";;")
^  Call: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (208) [user] read_comment((0x558d99e6bec0))
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1681306)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ;)
   Call: (209) [system] (;)=(;)
   Exit: (209) [system] (;)=(;)
^  Call: (209) [user] read_comment((0x558d99e6bec0))
^  Call: (210) [user] read_position((0x558d99e6bec0), _1685944, _1685946, _1685948, _1685950)
   Call: (211) [system] stream_property((0x558d99e6bec0), position(_1685950))
   Call: (212) [system] nonvar((0x558d99e6bec0))
   Exit: (212) [system] nonvar((0x558d99e6bec0))
   Call: (212) [system] nonvar(position(_1685950))
   Exit: (212) [system] nonvar(position(_1685950))
   Exit: (211) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1384, 44, 0, 1384)))
   Call: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), _1685944)
   Call: (212) [system] nonvar(line_count)
   Exit: (212) [system] nonvar(line_count)
   Call: (212) [$syspreds] stream_position_field(line_count, _1695238)
   Exit: (212) [$syspreds] stream_position_field(line_count, 2)
   Call: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), _1685944)
   Exit: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), 44)
   Exit: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), 44)
   Call: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), _1685946)
   Call: (212) [system] nonvar(line_position)
   Exit: (212) [system] nonvar(line_position)
   Call: (212) [$syspreds] stream_position_field(line_position, _1702672)
   Exit: (212) [$syspreds] stream_position_field(line_position, 3)
   Call: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), _1685946)
   Exit: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), 0)
   Exit: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), 0)
   Call: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), _1685948)
   Call: (212) [system] nonvar(char_count)
   Exit: (212) [system] nonvar(char_count)
   Call: (212) [$syspreds] stream_position_field(char_count, _1710106)
   Exit: (212) [$syspreds] stream_position_field(char_count, 1)
   Call: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), _1685948)
   Exit: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), 1384)
   Exit: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), 1384)
^  Exit: (210) [user] read_position((0x558d99e6bec0), 44, 0, 1384, '$stream_position'(1384, 44, 0, 1384))
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _1715700)
   Call: (211) [system] get_char((0x558d99e6bec0), _1716630)
   Exit: (211) [system] get_char((0x558d99e6bec0), ;)
   Call: (211) [system] char_type(;, end_of_line)
   Fail: (211) [system] char_type(;, end_of_line)
   Call: (211) [system] (;)=end_of_file
   Fail: (211) [system] (;)=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _1722200)
   Call: (212) [system] get_char((0x558d99e6bec0), _1723130)
   Exit: (212) [system] get_char((0x558d99e6bec0), ;)
   Call: (212) [system] char_type(;, end_of_line)
   Fail: (212) [system] char_type(;, end_of_line)
   Call: (212) [system] (;)=end_of_file
   Fail: (212) [system] (;)=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _1728700)
   Call: (213) [system] get_char((0x558d99e6bec0), _1729630)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Fail: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
   Fail: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _1735200)
   Call: (214) [system] get_char((0x558d99e6bec0), _1736130)
   Exit: (214) [system] get_char((0x558d99e6bec0), $)
   Call: (214) [system] char_type($, end_of_line)
   Fail: (214) [system] char_type($, end_of_line)
   Call: (214) [system] ($)=end_of_file
   Fail: (214) [system] ($)=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1741700)
   Call: (215) [system] get_char((0x558d99e6bec0), _1742630)
   Exit: (215) [system] get_char((0x558d99e6bec0), d)
   Call: (215) [system] char_type(d, end_of_line)
   Fail: (215) [system] char_type(d, end_of_line)
   Call: (215) [system] d=end_of_file
   Fail: (215) [system] d=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1748200)
   Call: (216) [system] get_char((0x558d99e6bec0), _1749130)
   Exit: (216) [system] get_char((0x558d99e6bec0), e)
   Call: (216) [system] char_type(e, end_of_line)
   Fail: (216) [system] char_type(e, end_of_line)
   Call: (216) [system] e=end_of_file
   Fail: (216) [system] e=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1754700)
   Call: (217) [system] get_char((0x558d99e6bec0), _1755630)
   Exit: (217) [system] get_char((0x558d99e6bec0), p)
   Call: (217) [system] char_type(p, end_of_line)
   Fail: (217) [system] char_type(p, end_of_line)
   Call: (217) [system] p=end_of_file
   Fail: (217) [system] p=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1761200)
   Call: (218) [system] get_char((0x558d99e6bec0), _1762130)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] char_type(t, end_of_line)
   Fail: (218) [system] char_type(t, end_of_line)
   Call: (218) [system] t=end_of_file
   Fail: (218) [system] t=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1767700)
   Call: (219) [system] get_char((0x558d99e6bec0), _1768630)
   Exit: (219) [system] get_char((0x558d99e6bec0), h)
   Call: (219) [system] char_type(h, end_of_line)
   Fail: (219) [system] char_type(h, end_of_line)
   Call: (219) [system] h=end_of_file
   Fail: (219) [system] h=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1774200)
   Call: (220) [system] get_char((0x558d99e6bec0), _1775130)
   Exit: (220) [system] get_char((0x558d99e6bec0), :)
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1780700)
   Call: (221) [system] get_char((0x558d99e6bec0), _1781630)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Fail: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
   Fail: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1787200)
   Call: (222) [system] get_char((0x558d99e6bec0), _1788130)
   Exit: (222) [system] get_char((0x558d99e6bec0), a)
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1793700)
   Call: (223) [system] get_char((0x558d99e6bec0), _1794630)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
   Call: (223) [system] char_type(' ', end_of_line)
   Fail: (223) [system] char_type(' ', end_of_line)
   Call: (223) [system] ' '=end_of_file
   Fail: (223) [system] ' '=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1800200)
   Call: (224) [system] get_char((0x558d99e6bec0), _1801130)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'N')
   Call: (224) [system] char_type('N', end_of_line)
   Fail: (224) [system] char_type('N', end_of_line)
   Call: (224) [system] 'N'=end_of_file
   Fail: (224) [system] 'N'=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1806700)
   Call: (225) [system] get_char((0x558d99e6bec0), _1807630)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _1813200)
   Call: (226) [system] get_char((0x558d99e6bec0), _1814130)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] char_type(t, end_of_line)
   Fail: (226) [system] char_type(t, end_of_line)
   Call: (226) [system] t=end_of_file
   Fail: (226) [system] t=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _1819700)
   Call: (227) [system] get_char((0x558d99e6bec0), _1820630)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Fail: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
   Fail: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _1826200)
   Call: (228) [system] get_char((0x558d99e6bec0), _1827130)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] char_type(r, end_of_line)
   Fail: (228) [system] char_type(r, end_of_line)
   Call: (228) [system] r=end_of_file
   Fail: (228) [system] r=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _1832700)
   Call: (229) [system] get_char((0x558d99e6bec0), _1833630)
   Exit: (229) [system] get_char((0x558d99e6bec0), e)
   Call: (229) [system] char_type(e, end_of_line)
   Fail: (229) [system] char_type(e, end_of_line)
   Call: (229) [system] e=end_of_file
   Fail: (229) [system] e=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _1839200)
   Call: (230) [system] get_char((0x558d99e6bec0), _1840130)
   Exit: (230) [system] get_char((0x558d99e6bec0), p)
   Call: (230) [system] char_type(p, end_of_line)
   Fail: (230) [system] char_type(p, end_of_line)
   Call: (230) [system] p=end_of_file
   Fail: (230) [system] p=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _1845700)
   Call: (231) [system] get_char((0x558d99e6bec0), _1846630)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] char_type(r, end_of_line)
   Fail: (231) [system] char_type(r, end_of_line)
   Call: (231) [system] r=end_of_file
   Fail: (231) [system] r=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _1852200)
   Call: (232) [system] get_char((0x558d99e6bec0), _1853130)
   Exit: (232) [system] get_char((0x558d99e6bec0), e)
   Call: (232) [system] char_type(e, end_of_line)
   Fail: (232) [system] char_type(e, end_of_line)
   Call: (232) [system] e=end_of_file
   Fail: (232) [system] e=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _1858700)
   Call: (233) [system] get_char((0x558d99e6bec0), _1859630)
   Exit: (233) [system] get_char((0x558d99e6bec0), s)
   Call: (233) [system] char_type(s, end_of_line)
   Fail: (233) [system] char_type(s, end_of_line)
   Call: (233) [system] s=end_of_file
   Fail: (233) [system] s=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _1865200)
   Call: (234) [system] get_char((0x558d99e6bec0), _1866130)
   Exit: (234) [system] get_char((0x558d99e6bec0), e)
   Call: (234) [system] char_type(e, end_of_line)
   Fail: (234) [system] char_type(e, end_of_line)
   Call: (234) [system] e=end_of_file
   Fail: (234) [system] e=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _1871700)
   Call: (235) [system] get_char((0x558d99e6bec0), _1872630)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] char_type(n, end_of_line)
   Fail: (235) [system] char_type(n, end_of_line)
   Call: (235) [system] n=end_of_file
   Fail: (235) [system] n=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _1878200)
   Call: (236) [system] get_char((0x558d99e6bec0), _1879130)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] char_type(t, end_of_line)
   Fail: (236) [system] char_type(t, end_of_line)
   Call: (236) [system] t=end_of_file
   Fail: (236) [system] t=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _1884700)
   Call: (237) [system] get_char((0x558d99e6bec0), _1885630)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] char_type(i, end_of_line)
   Fail: (237) [system] char_type(i, end_of_line)
   Call: (237) [system] i=end_of_file
   Fail: (237) [system] i=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _1891200)
   Call: (238) [system] get_char((0x558d99e6bec0), _1892130)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] char_type(n, end_of_line)
   Fail: (238) [system] char_type(n, end_of_line)
   Call: (238) [system] n=end_of_file
   Fail: (238) [system] n=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _1897700)
   Call: (239) [system] get_char((0x558d99e6bec0), _1898630)
   Exit: (239) [system] get_char((0x558d99e6bec0), g)
   Call: (239) [system] char_type(g, end_of_line)
   Fail: (239) [system] char_type(g, end_of_line)
   Call: (239) [system] g=end_of_file
   Fail: (239) [system] g=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _1904200)
   Call: (240) [system] get_char((0x558d99e6bec0), _1905130)
   Exit: (240) [system] get_char((0x558d99e6bec0), ' ')
   Call: (240) [system] char_type(' ', end_of_line)
   Fail: (240) [system] char_type(' ', end_of_line)
   Call: (240) [system] ' '=end_of_file
   Fail: (240) [system] ' '=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _1910700)
   Call: (241) [system] get_char((0x558d99e6bec0), _1911630)
   Exit: (241) [system] get_char((0x558d99e6bec0), t)
   Call: (241) [system] char_type(t, end_of_line)
   Fail: (241) [system] char_type(t, end_of_line)
   Call: (241) [system] t=end_of_file
   Fail: (241) [system] t=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _1917200)
   Call: (242) [system] get_char((0x558d99e6bec0), _1918130)
   Exit: (242) [system] get_char((0x558d99e6bec0), h)
   Call: (242) [system] char_type(h, end_of_line)
   Fail: (242) [system] char_type(h, end_of_line)
   Call: (242) [system] h=end_of_file
   Fail: (242) [system] h=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _1923700)
   Call: (243) [system] get_char((0x558d99e6bec0), _1924630)
   Exit: (243) [system] get_char((0x558d99e6bec0), e)
   Call: (243) [system] char_type(e, end_of_line)
   Fail: (243) [system] char_type(e, end_of_line)
   Call: (243) [system] e=end_of_file
   Fail: (243) [system] e=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _1930200)
   Call: (244) [system] get_char((0x558d99e6bec0), _1931130)
   Exit: (244) [system] get_char((0x558d99e6bec0), ' ')
   Call: (244) [system] char_type(' ', end_of_line)
   Fail: (244) [system] char_type(' ', end_of_line)
   Call: (244) [system] ' '=end_of_file
   Fail: (244) [system] ' '=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _1936700)
   Call: (245) [system] get_char((0x558d99e6bec0), _1937630)
   Exit: (245) [system] get_char((0x558d99e6bec0), m)
   Call: (245) [system] char_type(m, end_of_line)
   Fail: (245) [system] char_type(m, end_of_line)
   Call: (245) [system] m=end_of_file
   Fail: (245) [system] m=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _1943200)
   Call: (246) [system] get_char((0x558d99e6bec0), _1944130)
   Exit: (246) [system] get_char((0x558d99e6bec0), a)
   Call: (246) [system] char_type(a, end_of_line)
   Fail: (246) [system] char_type(a, end_of_line)
   Call: (246) [system] a=end_of_file
   Fail: (246) [system] a=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _1949700)
   Call: (247) [system] get_char((0x558d99e6bec0), _1950630)
   Exit: (247) [system] get_char((0x558d99e6bec0), x)
   Call: (247) [system] char_type(x, end_of_line)
   Fail: (247) [system] char_type(x, end_of_line)
   Call: (247) [system] x=end_of_file
   Fail: (247) [system] x=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _1956200)
   Call: (248) [system] get_char((0x558d99e6bec0), _1957130)
   Exit: (248) [system] get_char((0x558d99e6bec0), i)
   Call: (248) [system] char_type(i, end_of_line)
   Fail: (248) [system] char_type(i, end_of_line)
   Call: (248) [system] i=end_of_file
   Fail: (248) [system] i=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _1962700)
   Call: (249) [system] get_char((0x558d99e6bec0), _1963630)
   Exit: (249) [system] get_char((0x558d99e6bec0), m)
   Call: (249) [system] char_type(m, end_of_line)
   Fail: (249) [system] char_type(m, end_of_line)
   Call: (249) [system] m=end_of_file
   Fail: (249) [system] m=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _1969200)
   Call: (250) [system] get_char((0x558d99e6bec0), _1970130)
   Exit: (250) [system] get_char((0x558d99e6bec0), u)
   Call: (250) [system] char_type(u, end_of_line)
   Fail: (250) [system] char_type(u, end_of_line)
   Call: (250) [system] u=end_of_file
   Fail: (250) [system] u=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _1975700)
   Call: (251) [system] get_char((0x558d99e6bec0), _1976630)
   Exit: (251) [system] get_char((0x558d99e6bec0), m)
   Call: (251) [system] char_type(m, end_of_line)
   Fail: (251) [system] char_type(m, end_of_line)
   Call: (251) [system] m=end_of_file
   Fail: (251) [system] m=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _1982200)
   Call: (252) [system] get_char((0x558d99e6bec0), _1983130)
   Exit: (252) [system] get_char((0x558d99e6bec0), ' ')
   Call: (252) [system] char_type(' ', end_of_line)
   Fail: (252) [system] char_type(' ', end_of_line)
   Call: (252) [system] ' '=end_of_file
   Fail: (252) [system] ' '=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _1988700)
   Call: (253) [system] get_char((0x558d99e6bec0), _1989630)
   Exit: (253) [system] get_char((0x558d99e6bec0), d)
   Call: (253) [system] char_type(d, end_of_line)
   Fail: (253) [system] char_type(d, end_of_line)
   Call: (253) [system] d=end_of_file
   Fail: (253) [system] d=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _1995200)
   Call: (254) [system] get_char((0x558d99e6bec0), _1996130)
   Exit: (254) [system] get_char((0x558d99e6bec0), e)
   Call: (254) [system] char_type(e, end_of_line)
   Fail: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
   Fail: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _2001700)
   Call: (255) [system] get_char((0x558d99e6bec0), _2002630)
   Exit: (255) [system] get_char((0x558d99e6bec0), p)
   Call: (255) [system] char_type(p, end_of_line)
   Fail: (255) [system] char_type(p, end_of_line)
   Call: (255) [system] p=end_of_file
   Fail: (255) [system] p=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _2008200)
   Call: (256) [system] get_char((0x558d99e6bec0), _2009130)
   Exit: (256) [system] get_char((0x558d99e6bec0), t)
   Call: (256) [system] char_type(t, end_of_line)
   Fail: (256) [system] char_type(t, end_of_line)
   Call: (256) [system] t=end_of_file
   Fail: (256) [system] t=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _2014700)
   Call: (257) [system] get_char((0x558d99e6bec0), _2015630)
   Exit: (257) [system] get_char((0x558d99e6bec0), h)
   Call: (257) [system] char_type(h, end_of_line)
   Fail: (257) [system] char_type(h, end_of_line)
   Call: (257) [system] h=end_of_file
   Fail: (257) [system] h=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _2021200)
   Call: (258) [system] get_char((0x558d99e6bec0), _2022130)
   Exit: (258) [system] get_char((0x558d99e6bec0), ' ')
   Call: (258) [system] char_type(' ', end_of_line)
   Fail: (258) [system] char_type(' ', end_of_line)
   Call: (258) [system] ' '=end_of_file
   Fail: (258) [system] ' '=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _2027700)
   Call: (259) [system] get_char((0x558d99e6bec0), _2028630)
   Exit: (259) [system] get_char((0x558d99e6bec0), o)
   Call: (259) [system] char_type(o, end_of_line)
   Fail: (259) [system] char_type(o, end_of_line)
   Call: (259) [system] o=end_of_file
   Fail: (259) [system] o=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _2034200)
   Call: (260) [system] get_char((0x558d99e6bec0), _2035130)
   Exit: (260) [system] get_char((0x558d99e6bec0), f)
   Call: (260) [system] char_type(f, end_of_line)
   Fail: (260) [system] char_type(f, end_of_line)
   Call: (260) [system] f=end_of_file
   Fail: (260) [system] f=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _2040700)
   Call: (261) [system] get_char((0x558d99e6bec0), _2041630)
   Exit: (261) [system] get_char((0x558d99e6bec0), ' ')
   Call: (261) [system] char_type(' ', end_of_line)
   Fail: (261) [system] char_type(' ', end_of_line)
   Call: (261) [system] ' '=end_of_file
   Fail: (261) [system] ' '=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _2047200)
   Call: (262) [system] get_char((0x558d99e6bec0), _2048130)
   Exit: (262) [system] get_char((0x558d99e6bec0), t)
   Call: (262) [system] char_type(t, end_of_line)
   Fail: (262) [system] char_type(t, end_of_line)
   Call: (262) [system] t=end_of_file
   Fail: (262) [system] t=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _2053700)
   Call: (263) [system] get_char((0x558d99e6bec0), _2054630)
   Exit: (263) [system] get_char((0x558d99e6bec0), h)
   Call: (263) [system] char_type(h, end_of_line)
   Fail: (263) [system] char_type(h, end_of_line)
   Call: (263) [system] h=end_of_file
   Fail: (263) [system] h=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _2060200)
   Call: (264) [system] get_char((0x558d99e6bec0), _2061130)
   Exit: (264) [system] get_char((0x558d99e6bec0), e)
   Call: (264) [system] char_type(e, end_of_line)
   Fail: (264) [system] char_type(e, end_of_line)
   Call: (264) [system] e=end_of_file
   Fail: (264) [system] e=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _2066700)
   Call: (265) [system] get_char((0x558d99e6bec0), _2067630)
   Exit: (265) [system] get_char((0x558d99e6bec0), ' ')
   Call: (265) [system] char_type(' ', end_of_line)
   Fail: (265) [system] char_type(' ', end_of_line)
   Call: (265) [system] ' '=end_of_file
   Fail: (265) [system] ' '=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _2073200)
   Call: (266) [system] get_char((0x558d99e6bec0), _2074130)
   Exit: (266) [system] get_char((0x558d99e6bec0), g)
   Call: (266) [system] char_type(g, end_of_line)
   Fail: (266) [system] char_type(g, end_of_line)
   Call: (266) [system] g=end_of_file
   Fail: (266) [system] g=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _2079700)
   Call: (267) [system] get_char((0x558d99e6bec0), _2080630)
   Exit: (267) [system] get_char((0x558d99e6bec0), e)
   Call: (267) [system] char_type(e, end_of_line)
   Fail: (267) [system] char_type(e, end_of_line)
   Call: (267) [system] e=end_of_file
   Fail: (267) [system] e=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _2086200)
   Call: (268) [system] get_char((0x558d99e6bec0), _2087130)
   Exit: (268) [system] get_char((0x558d99e6bec0), n)
   Call: (268) [system] char_type(n, end_of_line)
   Fail: (268) [system] char_type(n, end_of_line)
   Call: (268) [system] n=end_of_file
   Fail: (268) [system] n=end_of_file
^  Call: (268) [user] read_until_eol((0x558d99e6bec0), _2092700)
   Call: (269) [system] get_char((0x558d99e6bec0), _2093630)
   Exit: (269) [system] get_char((0x558d99e6bec0), e)
   Call: (269) [system] char_type(e, end_of_line)
   Fail: (269) [system] char_type(e, end_of_line)
   Call: (269) [system] e=end_of_file
   Fail: (269) [system] e=end_of_file
^  Call: (269) [user] read_until_eol((0x558d99e6bec0), _6096)
   Call: (270) [system] get_char((0x558d99e6bec0), _7026)
   Exit: (270) [system] get_char((0x558d99e6bec0), r)
   Call: (270) [system] char_type(r, end_of_line)
   Fail: (270) [system] char_type(r, end_of_line)
   Call: (270) [system] r=end_of_file
   Fail: (270) [system] r=end_of_file
^  Call: (270) [user] read_until_eol((0x558d99e6bec0), _12596)
   Call: (271) [system] get_char((0x558d99e6bec0), _13526)
   Exit: (271) [system] get_char((0x558d99e6bec0), a)
   Call: (271) [system] char_type(a, end_of_line)
   Fail: (271) [system] char_type(a, end_of_line)
   Call: (271) [system] a=end_of_file
   Fail: (271) [system] a=end_of_file
^  Call: (271) [user] read_until_eol((0x558d99e6bec0), _19096)
   Call: (272) [system] get_char((0x558d99e6bec0), _20026)
   Exit: (272) [system] get_char((0x558d99e6bec0), t)
   Call: (272) [system] char_type(t, end_of_line)
   Fail: (272) [system] char_type(t, end_of_line)
   Call: (272) [system] t=end_of_file
   Fail: (272) [system] t=end_of_file
^  Call: (272) [user] read_until_eol((0x558d99e6bec0), _25596)
   Call: (273) [system] get_char((0x558d99e6bec0), _26526)
   Exit: (273) [system] get_char((0x558d99e6bec0), e)
   Call: (273) [system] char_type(e, end_of_line)
   Fail: (273) [system] char_type(e, end_of_line)
   Call: (273) [system] e=end_of_file
   Fail: (273) [system] e=end_of_file
^  Call: (273) [user] read_until_eol((0x558d99e6bec0), _32096)
   Call: (274) [system] get_char((0x558d99e6bec0), _33026)
   Exit: (274) [system] get_char((0x558d99e6bec0), d)
   Call: (274) [system] char_type(d, end_of_line)
   Fail: (274) [system] char_type(d, end_of_line)
   Call: (274) [system] d=end_of_file
   Fail: (274) [system] d=end_of_file
^  Call: (274) [user] read_until_eol((0x558d99e6bec0), _38596)
   Call: (275) [system] get_char((0x558d99e6bec0), _39526)
   Exit: (275) [system] get_char((0x558d99e6bec0), '\n')
   Call: (275) [system] char_type('\n', end_of_line)
   Exit: (275) [system] char_type('\n', end_of_line)
   Call: (275) [system] _38596=""
   Exit: (275) [system] ""=""
^  Exit: (274) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (274) [system] string_concat(d, "", _32096)
   Exit: (274) [system] string_concat(d, "", "d")
^  Exit: (273) [user] read_until_eol((0x558d99e6bec0), "d")
   Call: (273) [system] string_concat(e, "d", _25596)
   Exit: (273) [system] string_concat(e, "d", "ed")
^  Exit: (272) [user] read_until_eol((0x558d99e6bec0), "ed")
   Call: (272) [system] string_concat(t, "ed", _19096)
   Exit: (272) [system] string_concat(t, "ed", "ted")
^  Exit: (271) [user] read_until_eol((0x558d99e6bec0), "ted")
   Call: (271) [system] string_concat(a, "ted", _12596)
   Exit: (271) [system] string_concat(a, "ted", "ated")
^  Exit: (270) [user] read_until_eol((0x558d99e6bec0), "ated")
   Call: (270) [system] string_concat(r, "ated", _6096)
   Exit: (270) [system] string_concat(r, "ated", "rated")
^  Exit: (269) [user] read_until_eol((0x558d99e6bec0), "rated")
   Call: (269) [system] string_concat(e, "rated", _3656)
   Exit: (269) [system] string_concat(e, "rated", "erated")
^  Exit: (268) [user] read_until_eol((0x558d99e6bec0), "erated")
   Call: (268) [system] string_concat(n, "erated", _3652)
   Exit: (268) [system] string_concat(n, "erated", "nerated")
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), "nerated")
   Call: (267) [system] string_concat(e, "nerated", _3648)
   Exit: (267) [system] string_concat(e, "nerated", "enerated")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), "enerated")
   Call: (266) [system] string_concat(g, "enerated", _3644)
   Exit: (266) [system] string_concat(g, "enerated", "generated")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "generated")
   Call: (265) [system] string_concat(' ', "generated", _3640)
   Exit: (265) [system] string_concat(' ', "generated", " generated")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), " generated")
   Call: (264) [system] string_concat(e, " generated", _3636)
   Exit: (264) [system] string_concat(e, " generated", "e generated")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "e generated")
   Call: (263) [system] string_concat(h, "e generated", _3632)
   Exit: (263) [system] string_concat(h, "e generated", "he generated")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "he generated")
   Call: (262) [system] string_concat(t, "he generated", _3628)
   Exit: (262) [system] string_concat(t, "he generated", "the generated")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "the generated")
   Call: (261) [system] string_concat(' ', "the generated", _3624)
   Exit: (261) [system] string_concat(' ', "the generated", " the generated")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), " the generated")
   Call: (260) [system] string_concat(f, " the generated", _3620)
   Exit: (260) [system] string_concat(f, " the generated", "f the generated")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), "f the generated")
   Call: (259) [system] string_concat(o, "f the generated", _3616)
   Exit: (259) [system] string_concat(o, "f the generated", "of the generated")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "of the generated")
   Call: (258) [system] string_concat(' ', "of the generated", _3612)
   Exit: (258) [system] string_concat(' ', "of the generated", " of the generated")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), " of the generated")
   Call: (257) [system] string_concat(h, " of the generated", _3608)
   Exit: (257) [system] string_concat(h, " of the generated", "h of the generated")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), "h of the generated")
   Call: (256) [system] string_concat(t, "h of the generated", _3604)
   Exit: (256) [system] string_concat(t, "h of the generated", "th of the generated")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "th of the generated")
   Call: (255) [system] string_concat(p, "th of the generated", _3600)
   Exit: (255) [system] string_concat(p, "th of the generated", "pth of the generated")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "pth of the generated")
   Call: (254) [system] string_concat(e, "pth of the generated", _3596)
   Exit: (254) [system] string_concat(e, "pth of the generated", "epth of the generated")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "epth of the generated")
   Call: (253) [system] string_concat(d, "epth of the generated", _3592)
   Exit: (253) [system] string_concat(d, "epth of the generated", "depth of the generated")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "depth of the generated")
   Call: (252) [system] string_concat(' ', "depth of the generated", _3588)
   Exit: (252) [system] string_concat(' ', "depth of the generated", " depth of the generated")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), " depth of the generated")
   Call: (251) [system] string_concat(m, " depth of the generated", _3584)
   Exit: (251) [system] string_concat(m, " depth of the generated", "m depth of the generated")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "m depth of the generated")
   Call: (250) [system] string_concat(u, "m depth of the generated", _3580)
   Exit: (250) [system] string_concat(u, "m depth of the generated", "um depth of the generated")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "um depth of the generated")
   Call: (249) [system] string_concat(m, "um depth of the generated", _3576)
   Exit: (249) [system] string_concat(m, "um depth of the generated", "mum depth of the generated")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), "mum depth of the generated")
   Call: (248) [system] string_concat(i, "mum depth of the generated", _3572)
   Exit: (248) [system] string_concat(i, "mum depth of the generated", "imum depth of the generated")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "imum depth of the generated")
   Call: (247) [system] string_concat(x, "imum depth of the generated", _3568)
   Exit: (247) [system] string_concat(x, "imum depth of the generated", "ximum depth of the generated")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "ximum depth of the generated")
   Call: (246) [system] string_concat(a, "ximum depth of the generated", _3564)
   Exit: (246) [system] string_concat(a, "ximum depth of the generated", "aximum depth of the generated")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "aximum depth of the generated")
   Call: (245) [system] string_concat(m, "aximum depth of the generated", _3560)
   Exit: (245) [system] string_concat(m, "aximum depth of the generated", "maximum depth of the generated")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "maximum depth of the generated")
   Call: (244) [system] string_concat(' ', "maximum depth of the generated", _3556)
   Exit: (244) [system] string_concat(' ', "maximum depth of the generated", " maximum depth of the generated")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), " maximum depth of the generated")
   Call: (243) [system] string_concat(e, " maximum depth of the generated", _3552)
   Exit: (243) [system] string_concat(e, " maximum depth of the generated", "e maximum depth of the generated")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), "e maximum depth of the generated")
   Call: (242) [system] string_concat(h, "e maximum depth of the generated", _3548)
   Exit: (242) [system] string_concat(h, "e maximum depth of the generated", "he maximum depth of the generated")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "he maximum depth of the generated")
   Call: (241) [system] string_concat(t, "he maximum depth of the generated", _3544)
   Exit: (241) [system] string_concat(t, "he maximum depth of the generated", "the maximum depth of the generated")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "the maximum depth of the generated")
   Call: (240) [system] string_concat(' ', "the maximum depth of the generated", _3540)
   Exit: (240) [system] string_concat(' ', "the maximum depth of the generated", " the maximum depth of the generated")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), " the maximum depth of the generated")
   Call: (239) [system] string_concat(g, " the maximum depth of the generated", _3536)
   Exit: (239) [system] string_concat(g, " the maximum depth of the generated", "g the maximum depth of the generated")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "g the maximum depth of the generated")
   Call: (238) [system] string_concat(n, "g the maximum depth of the generated", _3532)
   Exit: (238) [system] string_concat(n, "g the maximum depth of the generated", "ng the maximum depth of the generated")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "ng the maximum depth of the generated")
   Call: (237) [system] string_concat(i, "ng the maximum depth of the generated", _3528)
   Exit: (237) [system] string_concat(i, "ng the maximum depth of the generated", "ing the maximum depth of the generated")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "ing the maximum depth of the generated")
   Call: (236) [system] string_concat(t, "ing the maximum depth of the generated", _3524)
   Exit: (236) [system] string_concat(t, "ing the maximum depth of the generated", "ting the maximum depth of the generated")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "ting the maximum depth of the generated")
   Call: (235) [system] string_concat(n, "ting the maximum depth of the generated", _3520)
   Exit: (235) [system] string_concat(n, "ting the maximum depth of the generated", "nting the maximum depth of the generated")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), "nting the maximum depth of the generated")
   Call: (234) [system] string_concat(e, "nting the maximum depth of the generated", _3516)
   Exit: (234) [system] string_concat(e, "nting the maximum depth of the generated", "enting the maximum depth of the generated")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "enting the maximum depth of the generated")
   Call: (233) [system] string_concat(s, "enting the maximum depth of the generated", _3512)
   Exit: (233) [system] string_concat(s, "enting the maximum depth of the generated", "senting the maximum depth of the generated")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "senting the maximum depth of the generated")
   Call: (232) [system] string_concat(e, "senting the maximum depth of the generated", _3508)
   Exit: (232) [system] string_concat(e, "senting the maximum depth of the generated", "esenting the maximum depth of the generated")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "esenting the maximum depth of the generated")
   Call: (231) [system] string_concat(r, "esenting the maximum depth of the generated", _3504)
   Exit: (231) [system] string_concat(r, "esenting the maximum depth of the generated", "resenting the maximum depth of the generated")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "resenting the maximum depth of the generated")
   Call: (230) [system] string_concat(p, "resenting the maximum depth of the generated", _3500)
   Exit: (230) [system] string_concat(p, "resenting the maximum depth of the generated", "presenting the maximum depth of the generated")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "presenting the maximum depth of the generated")
   Call: (229) [system] string_concat(e, "presenting the maximum depth of the generated", _3496)
   Exit: (229) [system] string_concat(e, "presenting the maximum depth of the generated", "epresenting the maximum depth of the generated")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "epresenting the maximum depth of the generated")
   Call: (228) [system] string_concat(r, "epresenting the maximum depth of the generated", _3492)
   Exit: (228) [system] string_concat(r, "epresenting the maximum depth of the generated", "representing the maximum depth of the generated")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "representing the maximum depth of the generated")
   Call: (227) [system] string_concat(' ', "representing the maximum depth of the generated", _3488)
   Exit: (227) [system] string_concat(' ', "representing the maximum depth of the generated", " representing the maximum depth of the generated")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), " representing the maximum depth of the generated")
   Call: (226) [system] string_concat(t, " representing the maximum depth of the generated", _3484)
   Exit: (226) [system] string_concat(t, " representing the maximum depth of the generated", "t representing the maximum depth of the generated")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "t representing the maximum depth of the generated")
   Call: (225) [system] string_concat(a, "t representing the maximum depth of the generated", _3480)
   Exit: (225) [system] string_concat(a, "t representing the maximum depth of the generated", "at representing the maximum depth of the generated")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "at representing the maximum depth of the generated")
   Call: (224) [system] string_concat('N', "at representing the maximum depth of the generated", _3476)
   Exit: (224) [system] string_concat('N', "at representing the maximum depth of the generated", "Nat representing the maximum depth of the generated")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "Nat representing the maximum depth of the generated")
   Call: (223) [system] string_concat(' ', "Nat representing the maximum depth of the generated", _3472)
   Exit: (223) [system] string_concat(' ', "Nat representing the maximum depth of the generated", " Nat representing the maximum depth of the generated")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), " Nat representing the maximum depth of the generated")
   Call: (222) [system] string_concat(a, " Nat representing the maximum depth of the generated", _3468)
   Exit: (222) [system] string_concat(a, " Nat representing the maximum depth of the generated", "a Nat representing the maximum depth of the generated")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "a Nat representing the maximum depth of the generated")
   Call: (221) [system] string_concat(' ', "a Nat representing the maximum depth of the generated", _3464)
   Exit: (221) [system] string_concat(' ', "a Nat representing the maximum depth of the generated", " a Nat representing the maximum depth of the generated")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), " a Nat representing the maximum depth of the generated")
   Call: (220) [system] string_concat(:, " a Nat representing the maximum depth of the generated", _3460)
   Exit: (220) [system] string_concat(:, " a Nat representing the maximum depth of the generated", ": a Nat representing the maximum depth of the generated")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), ": a Nat representing the maximum depth of the generated")
   Call: (219) [system] string_concat(h, ": a Nat representing the maximum depth of the generated", _3456)
   Exit: (219) [system] string_concat(h, ": a Nat representing the maximum depth of the generated", "h: a Nat representing the maximum depth of the generated")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "h: a Nat representing the maximum depth of the generated")
   Call: (218) [system] string_concat(t, "h: a Nat representing the maximum depth of the generated", _3452)
   Exit: (218) [system] string_concat(t, "h: a Nat representing the maximum depth of the generated", "th: a Nat representing the maximum depth of the generated")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "th: a Nat representing the maximum depth of the generated")
   Call: (217) [system] string_concat(p, "th: a Nat representing the maximum depth of the generated", _3448)
   Exit: (217) [system] string_concat(p, "th: a Nat representing the maximum depth of the generated", "pth: a Nat representing the maximum depth of the generated")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "pth: a Nat representing the maximum depth of the generated")
   Call: (216) [system] string_concat(e, "pth: a Nat representing the maximum depth of the generated", _3444)
   Exit: (216) [system] string_concat(e, "pth: a Nat representing the maximum depth of the generated", "epth: a Nat representing the maximum depth of the generated")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "epth: a Nat representing the maximum depth of the generated")
   Call: (215) [system] string_concat(d, "epth: a Nat representing the maximum depth of the generated", _3440)
   Exit: (215) [system] string_concat(d, "epth: a Nat representing the maximum depth of the generated", "depth: a Nat representing the maximum depth of the generated")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "depth: a Nat representing the maximum depth of the generated")
   Call: (214) [system] string_concat($, "depth: a Nat representing the maximum depth of the generated", _3436)
   Exit: (214) [system] string_concat($, "depth: a Nat representing the maximum depth of the generated", "$depth: a Nat representing the maximum depth of the generated")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "$depth: a Nat representing the maximum depth of the generated")
   Call: (213) [system] string_concat(' ', "$depth: a Nat representing the maximum depth of the generated", _3432)
   Exit: (213) [system] string_concat(' ', "$depth: a Nat representing the maximum depth of the generated", " $depth: a Nat representing the maximum depth of the generated")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), " $depth: a Nat representing the maximum depth of the generated")
   Call: (212) [system] string_concat(;, " $depth: a Nat representing the maximum depth of the generated", _3428)
   Exit: (212) [system] string_concat(;, " $depth: a Nat representing the maximum depth of the generated", "; $depth: a Nat representing the maximum depth of the generated")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "; $depth: a Nat representing the maximum depth of the generated")
   Call: (211) [system] string_concat(;, "; $depth: a Nat representing the maximum depth of the generated", _3424)
   Exit: (211) [system] string_concat(;, "; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), ";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (209) [user] read_comment((0x558d99e6bec0))
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _229310)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ;)
   Call: (210) [system] (;)=(;)
   Exit: (210) [system] (;)=(;)
^  Call: (210) [user] read_comment((0x558d99e6bec0))
^  Call: (211) [user] read_position((0x558d99e6bec0), _233948, _233950, _233952, _233954)
   Call: (212) [system] stream_property((0x558d99e6bec0), position(_233954))
   Call: (213) [system] nonvar((0x558d99e6bec0))
   Exit: (213) [system] nonvar((0x558d99e6bec0))
   Call: (213) [system] nonvar(position(_233954))
   Exit: (213) [system] nonvar(position(_233954))
   Exit: (212) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1449, 45, 0, 1449)))
   Call: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), _233948)
   Call: (213) [system] nonvar(line_count)
   Exit: (213) [system] nonvar(line_count)
   Call: (213) [$syspreds] stream_position_field(line_count, _243242)
   Exit: (213) [$syspreds] stream_position_field(line_count, 2)
   Call: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), _233948)
   Exit: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), 45)
   Exit: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), 45)
   Call: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), _233950)
   Call: (213) [system] nonvar(line_position)
   Exit: (213) [system] nonvar(line_position)
   Call: (213) [$syspreds] stream_position_field(line_position, _250676)
   Exit: (213) [$syspreds] stream_position_field(line_position, 3)
   Call: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), _233950)
   Exit: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), 0)
   Exit: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), 0)
   Call: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), _233952)
   Call: (213) [system] nonvar(char_count)
   Exit: (213) [system] nonvar(char_count)
   Call: (213) [$syspreds] stream_position_field(char_count, _258110)
   Exit: (213) [$syspreds] stream_position_field(char_count, 1)
   Call: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), _233952)
   Exit: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), 1449)
   Exit: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), 1449)
^  Exit: (211) [user] read_position((0x558d99e6bec0), 45, 0, 1449, '$stream_position'(1449, 45, 0, 1449))
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _263704)
   Call: (212) [system] get_char((0x558d99e6bec0), _264634)
   Exit: (212) [system] get_char((0x558d99e6bec0), ;)
   Call: (212) [system] char_type(;, end_of_line)
   Fail: (212) [system] char_type(;, end_of_line)
   Call: (212) [system] (;)=end_of_file
   Fail: (212) [system] (;)=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _270204)
   Call: (213) [system] get_char((0x558d99e6bec0), _271134)
   Exit: (213) [system] get_char((0x558d99e6bec0), ;)
   Call: (213) [system] char_type(;, end_of_line)
   Fail: (213) [system] char_type(;, end_of_line)
   Call: (213) [system] (;)=end_of_file
   Fail: (213) [system] (;)=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _276704)
   Call: (214) [system] get_char((0x558d99e6bec0), _277634)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Fail: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
   Fail: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _283204)
   Call: (215) [system] get_char((0x558d99e6bec0), _284134)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
   Call: (215) [system] char_type(' ', end_of_line)
   Fail: (215) [system] char_type(' ', end_of_line)
   Call: (215) [system] ' '=end_of_file
   Fail: (215) [system] ' '=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _289704)
   Call: (216) [system] get_char((0x558d99e6bec0), _290634)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Fail: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
   Fail: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _296204)
   Call: (217) [system] get_char((0x558d99e6bec0), _297134)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Fail: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
   Fail: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _302704)
   Call: (218) [system] get_char((0x558d99e6bec0), _303634)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
   Call: (218) [system] char_type(' ', end_of_line)
   Fail: (218) [system] char_type(' ', end_of_line)
   Call: (218) [system] ' '=end_of_file
   Fail: (218) [system] ' '=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _309204)
   Call: (219) [system] get_char((0x558d99e6bec0), _310134)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
   Call: (219) [system] char_type(' ', end_of_line)
   Fail: (219) [system] char_type(' ', end_of_line)
   Call: (219) [system] ' '=end_of_file
   Fail: (219) [system] ' '=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _315704)
   Call: (220) [system] get_char((0x558d99e6bec0), _316634)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
   Call: (220) [system] char_type(' ', end_of_line)
   Fail: (220) [system] char_type(' ', end_of_line)
   Call: (220) [system] ' '=end_of_file
   Fail: (220) [system] ' '=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _322204)
   Call: (221) [system] get_char((0x558d99e6bec0), _323134)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Fail: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
   Fail: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _328704)
   Call: (222) [system] get_char((0x558d99e6bec0), _329634)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Fail: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
   Fail: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _335204)
   Call: (223) [system] get_char((0x558d99e6bec0), _336134)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] char_type(p, end_of_line)
   Fail: (223) [system] char_type(p, end_of_line)
   Call: (223) [system] p=end_of_file
   Fail: (223) [system] p=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _341704)
   Call: (224) [system] get_char((0x558d99e6bec0), _342634)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] char_type(r, end_of_line)
   Fail: (224) [system] char_type(r, end_of_line)
   Call: (224) [system] r=end_of_file
   Fail: (224) [system] r=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _348204)
   Call: (225) [system] get_char((0x558d99e6bec0), _349134)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] char_type(o, end_of_line)
   Fail: (225) [system] char_type(o, end_of_line)
   Call: (225) [system] o=end_of_file
   Fail: (225) [system] o=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _354704)
   Call: (226) [system] get_char((0x558d99e6bec0), _355634)
   Exit: (226) [system] get_char((0x558d99e6bec0), g)
   Call: (226) [system] char_type(g, end_of_line)
   Fail: (226) [system] char_type(g, end_of_line)
   Call: (226) [system] g=end_of_file
   Fail: (226) [system] g=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _361204)
   Call: (227) [system] get_char((0x558d99e6bec0), _362134)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] char_type(r, end_of_line)
   Fail: (227) [system] char_type(r, end_of_line)
   Call: (227) [system] r=end_of_file
   Fail: (227) [system] r=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _367704)
   Call: (228) [system] get_char((0x558d99e6bec0), _368634)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _374204)
   Call: (229) [system] get_char((0x558d99e6bec0), _375134)
   Exit: (229) [system] get_char((0x558d99e6bec0), m)
   Call: (229) [system] char_type(m, end_of_line)
   Fail: (229) [system] char_type(m, end_of_line)
   Call: (229) [system] m=end_of_file
   Fail: (229) [system] m=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _380704)
   Call: (230) [system] get_char((0x558d99e6bec0), _381634)
   Exit: (230) [system] get_char((0x558d99e6bec0), s)
   Call: (230) [system] char_type(s, end_of_line)
   Fail: (230) [system] char_type(s, end_of_line)
   Call: (230) [system] s=end_of_file
   Fail: (230) [system] s=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _387204)
   Call: (231) [system] get_char((0x558d99e6bec0), _388134)
   Exit: (231) [system] get_char((0x558d99e6bec0), '.')
   Call: (231) [system] char_type('.', end_of_line)
   Fail: (231) [system] char_type('.', end_of_line)
   Call: (231) [system] ('.')=end_of_file
   Fail: (231) [system] ('.')=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _393704)
   Call: (232) [system] get_char((0x558d99e6bec0), _394634)
   Exit: (232) [system] get_char((0x558d99e6bec0), '\n')
   Call: (232) [system] char_type('\n', end_of_line)
   Exit: (232) [system] char_type('\n', end_of_line)
   Call: (232) [system] _393704=""
   Exit: (232) [system] ""=""
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (231) [system] string_concat('.', "", _387204)
   Exit: (231) [system] string_concat('.', "", ".")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), ".")
   Call: (230) [system] string_concat(s, ".", _380704)
   Exit: (230) [system] string_concat(s, ".", "s.")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), "s.")
   Call: (229) [system] string_concat(m, "s.", _374204)
   Exit: (229) [system] string_concat(m, "s.", "ms.")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "ms.")
   Call: (228) [system] string_concat(a, "ms.", _367704)
   Exit: (228) [system] string_concat(a, "ms.", "ams.")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "ams.")
   Call: (227) [system] string_concat(r, "ams.", _361204)
   Exit: (227) [system] string_concat(r, "ams.", "rams.")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "rams.")
   Call: (226) [system] string_concat(g, "rams.", _354704)
   Exit: (226) [system] string_concat(g, "rams.", "grams.")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "grams.")
   Call: (225) [system] string_concat(o, "grams.", _348204)
   Exit: (225) [system] string_concat(o, "grams.", "ograms.")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "ograms.")
   Call: (224) [system] string_concat(r, "ograms.", _341704)
   Exit: (224) [system] string_concat(r, "ograms.", "rograms.")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "rograms.")
   Call: (223) [system] string_concat(p, "rograms.", _335204)
   Exit: (223) [system] string_concat(p, "rograms.", "programs.")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "programs.")
   Call: (222) [system] string_concat(' ', "programs.", _328704)
   Exit: (222) [system] string_concat(' ', "programs.", " programs.")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), " programs.")
   Call: (221) [system] string_concat(' ', " programs.", _322204)
   Exit: (221) [system] string_concat(' ', " programs.", "  programs.")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "  programs.")
   Call: (220) [system] string_concat(' ', "  programs.", _315704)
   Exit: (220) [system] string_concat(' ', "  programs.", "   programs.")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "   programs.")
   Call: (219) [system] string_concat(' ', "   programs.", _309204)
   Exit: (219) [system] string_concat(' ', "   programs.", "    programs.")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "    programs.")
   Call: (218) [system] string_concat(' ', "    programs.", _302704)
   Exit: (218) [system] string_concat(' ', "    programs.", "     programs.")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "     programs.")
   Call: (217) [system] string_concat(' ', "     programs.", _296204)
   Exit: (217) [system] string_concat(' ', "     programs.", "      programs.")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "      programs.")
   Call: (216) [system] string_concat(' ', "      programs.", _289704)
   Exit: (216) [system] string_concat(' ', "      programs.", "       programs.")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "       programs.")
   Call: (215) [system] string_concat(' ', "       programs.", _283204)
   Exit: (215) [system] string_concat(' ', "       programs.", "        programs.")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "        programs.")
   Call: (214) [system] string_concat(' ', "        programs.", _276704)
   Exit: (214) [system] string_concat(' ', "        programs.", "         programs.")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "         programs.")
   Call: (213) [system] string_concat(;, "         programs.", _270204)
   Exit: (213) [system] string_concat(;, "         programs.", ";         programs.")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), ";         programs.")
   Call: (212) [system] string_concat(;, ";         programs.", _263704)
   Exit: (212) [system] string_concat(;, ";         programs.", ";;         programs.")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), ";;         programs.")
^  Call: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (210) [user] read_comment((0x558d99e6bec0))
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _460866)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ;)
   Call: (211) [system] (;)=(;)
   Exit: (211) [system] (;)=(;)
^  Call: (211) [user] read_comment((0x558d99e6bec0))
^  Call: (212) [user] read_position((0x558d99e6bec0), _465504, _465506, _465508, _465510)
   Call: (213) [system] stream_property((0x558d99e6bec0), position(_465510))
   Call: (214) [system] nonvar((0x558d99e6bec0))
   Exit: (214) [system] nonvar((0x558d99e6bec0))
   Call: (214) [system] nonvar(position(_465510))
   Exit: (214) [system] nonvar(position(_465510))
   Exit: (213) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1470, 46, 0, 1470)))
   Call: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), _465504)
   Call: (214) [system] nonvar(line_count)
   Exit: (214) [system] nonvar(line_count)
   Call: (214) [$syspreds] stream_position_field(line_count, _474798)
   Exit: (214) [$syspreds] stream_position_field(line_count, 2)
   Call: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), _465504)
   Exit: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), 46)
   Exit: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), 46)
   Call: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), _465506)
   Call: (214) [system] nonvar(line_position)
   Exit: (214) [system] nonvar(line_position)
   Call: (214) [$syspreds] stream_position_field(line_position, _482232)
   Exit: (214) [$syspreds] stream_position_field(line_position, 3)
   Call: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), _465506)
   Exit: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), 0)
   Exit: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), 0)
   Call: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), _465508)
   Call: (214) [system] nonvar(char_count)
   Exit: (214) [system] nonvar(char_count)
   Call: (214) [$syspreds] stream_position_field(char_count, _489666)
   Exit: (214) [$syspreds] stream_position_field(char_count, 1)
   Call: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), _465508)
   Exit: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), 1470)
   Exit: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), 1470)
^  Exit: (212) [user] read_position((0x558d99e6bec0), 46, 0, 1470, '$stream_position'(1470, 46, 0, 1470))
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _495260)
   Call: (213) [system] get_char((0x558d99e6bec0), _496190)
   Exit: (213) [system] get_char((0x558d99e6bec0), ;)
   Call: (213) [system] char_type(;, end_of_line)
   Fail: (213) [system] char_type(;, end_of_line)
   Call: (213) [system] (;)=end_of_file
   Fail: (213) [system] (;)=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _501760)
   Call: (214) [system] get_char((0x558d99e6bec0), _502690)
   Exit: (214) [system] get_char((0x558d99e6bec0), ;)
   Call: (214) [system] char_type(;, end_of_line)
   Fail: (214) [system] char_type(;, end_of_line)
   Call: (214) [system] (;)=end_of_file
   Fail: (214) [system] (;)=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _508260)
   Call: (215) [system] get_char((0x558d99e6bec0), _509190)
   Exit: (215) [system] get_char((0x558d99e6bec0), '\n')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
   Call: (215) [system] _508260=""
   Exit: (215) [system] ""=""
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (214) [system] string_concat(;, "", _501760)
   Exit: (214) [system] string_concat(;, "", ";")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), ";")
   Call: (213) [system] string_concat(;, ";", _495260)
   Exit: (213) [system] string_concat(;, ";", ";;")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), ";;")
^  Call: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (211) [user] read_comment((0x558d99e6bec0))
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _525018)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ;)
   Call: (212) [system] (;)=(;)
   Exit: (212) [system] (;)=(;)
^  Call: (212) [user] read_comment((0x558d99e6bec0))
^  Call: (213) [user] read_position((0x558d99e6bec0), _529656, _529658, _529660, _529662)
   Call: (214) [system] stream_property((0x558d99e6bec0), position(_529662))
   Call: (215) [system] nonvar((0x558d99e6bec0))
   Exit: (215) [system] nonvar((0x558d99e6bec0))
   Call: (215) [system] nonvar(position(_529662))
   Exit: (215) [system] nonvar(position(_529662))
   Exit: (214) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1473, 47, 0, 1473)))
   Call: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), _529656)
   Call: (215) [system] nonvar(line_count)
   Exit: (215) [system] nonvar(line_count)
   Call: (215) [$syspreds] stream_position_field(line_count, _538950)
   Exit: (215) [$syspreds] stream_position_field(line_count, 2)
   Call: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), _529656)
   Exit: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), 47)
   Exit: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), 47)
   Call: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), _529658)
   Call: (215) [system] nonvar(line_position)
   Exit: (215) [system] nonvar(line_position)
   Call: (215) [$syspreds] stream_position_field(line_position, _546384)
   Exit: (215) [$syspreds] stream_position_field(line_position, 3)
   Call: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), _529658)
   Exit: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), 0)
   Exit: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), 0)
   Call: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), _529660)
   Call: (215) [system] nonvar(char_count)
   Exit: (215) [system] nonvar(char_count)
   Call: (215) [$syspreds] stream_position_field(char_count, _553818)
   Exit: (215) [$syspreds] stream_position_field(char_count, 1)
   Call: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), _529660)
   Exit: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), 1473)
   Exit: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), 1473)
^  Exit: (213) [user] read_position((0x558d99e6bec0), 47, 0, 1473, '$stream_position'(1473, 47, 0, 1473))
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _559412)
   Call: (214) [system] get_char((0x558d99e6bec0), _560342)
   Exit: (214) [system] get_char((0x558d99e6bec0), ;)
   Call: (214) [system] char_type(;, end_of_line)
   Fail: (214) [system] char_type(;, end_of_line)
   Call: (214) [system] (;)=end_of_file
   Fail: (214) [system] (;)=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _565912)
   Call: (215) [system] get_char((0x558d99e6bec0), _566842)
   Exit: (215) [system] get_char((0x558d99e6bec0), ;)
   Call: (215) [system] char_type(;, end_of_line)
   Fail: (215) [system] char_type(;, end_of_line)
   Call: (215) [system] (;)=end_of_file
   Fail: (215) [system] (;)=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _572412)
   Call: (216) [system] get_char((0x558d99e6bec0), _573342)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Fail: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
   Fail: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _578912)
   Call: (217) [system] get_char((0x558d99e6bec0), _579842)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'T')
   Call: (217) [system] char_type('T', end_of_line)
   Fail: (217) [system] char_type('T', end_of_line)
   Call: (217) [system] 'T'=end_of_file
   Fail: (217) [system] 'T'=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _585412)
   Call: (218) [system] get_char((0x558d99e6bec0), _586342)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'O')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _591912)
   Call: (219) [system] get_char((0x558d99e6bec0), _592842)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'D')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _598412)
   Call: (220) [system] get_char((0x558d99e6bec0), _599342)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'O')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _604912)
   Call: (221) [system] get_char((0x558d99e6bec0), _605842)
   Exit: (221) [system] get_char((0x558d99e6bec0), :)
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _611412)
   Call: (222) [system] get_char((0x558d99e6bec0), _612342)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Fail: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
   Fail: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _617912)
   Call: (223) [system] get_char((0x558d99e6bec0), _618842)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] char_type(r, end_of_line)
   Fail: (223) [system] char_type(r, end_of_line)
   Call: (223) [system] r=end_of_file
   Fail: (223) [system] r=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _624412)
   Call: (224) [system] get_char((0x558d99e6bec0), _625342)
   Exit: (224) [system] get_char((0x558d99e6bec0), e)
   Call: (224) [system] char_type(e, end_of_line)
   Fail: (224) [system] char_type(e, end_of_line)
   Call: (224) [system] e=end_of_file
   Fail: (224) [system] e=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _630912)
   Call: (225) [system] get_char((0x558d99e6bec0), _631842)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] read_until_eol((0x558d99e6bec0), _637412)
   Call: (226) [system] get_char((0x558d99e6bec0), _638342)
   Exit: (226) [system] get_char((0x558d99e6bec0), u)
   Call: (226) [system] char_type(u, end_of_line)
   Fail: (226) [system] char_type(u, end_of_line)
   Call: (226) [system] u=end_of_file
   Fail: (226) [system] u=end_of_file
^  Call: (226) [user] read_until_eol((0x558d99e6bec0), _643912)
   Call: (227) [system] get_char((0x558d99e6bec0), _644842)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] char_type(r, end_of_line)
   Fail: (227) [system] char_type(r, end_of_line)
   Call: (227) [system] r=end_of_file
   Fail: (227) [system] r=end_of_file
^  Call: (227) [user] read_until_eol((0x558d99e6bec0), _650412)
   Call: (228) [system] get_char((0x558d99e6bec0), _651342)
   Exit: (228) [system] get_char((0x558d99e6bec0), s)
   Call: (228) [system] char_type(s, end_of_line)
   Fail: (228) [system] char_type(s, end_of_line)
   Call: (228) [system] s=end_of_file
   Fail: (228) [system] s=end_of_file
^  Call: (228) [user] read_until_eol((0x558d99e6bec0), _656912)
   Call: (229) [system] get_char((0x558d99e6bec0), _657842)
   Exit: (229) [system] get_char((0x558d99e6bec0), e)
   Call: (229) [system] char_type(e, end_of_line)
   Fail: (229) [system] char_type(e, end_of_line)
   Call: (229) [system] e=end_of_file
   Fail: (229) [system] e=end_of_file
^  Call: (229) [user] read_until_eol((0x558d99e6bec0), _663412)
   Call: (230) [system] get_char((0x558d99e6bec0), _664342)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Fail: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
   Fail: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x558d99e6bec0), _669912)
   Call: (231) [system] get_char((0x558d99e6bec0), _670842)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] char_type(o, end_of_line)
   Fail: (231) [system] char_type(o, end_of_line)
   Call: (231) [system] o=end_of_file
   Fail: (231) [system] o=end_of_file
^  Call: (231) [user] read_until_eol((0x558d99e6bec0), _676412)
   Call: (232) [system] get_char((0x558d99e6bec0), _677342)
   Exit: (232) [system] get_char((0x558d99e6bec0), v)
   Call: (232) [system] char_type(v, end_of_line)
   Fail: (232) [system] char_type(v, end_of_line)
   Call: (232) [system] v=end_of_file
   Fail: (232) [system] v=end_of_file
^  Call: (232) [user] read_until_eol((0x558d99e6bec0), _682912)
   Call: (233) [system] get_char((0x558d99e6bec0), _683842)
   Exit: (233) [system] get_char((0x558d99e6bec0), e)
   Call: (233) [system] char_type(e, end_of_line)
   Fail: (233) [system] char_type(e, end_of_line)
   Call: (233) [system] e=end_of_file
   Fail: (233) [system] e=end_of_file
^  Call: (233) [user] read_until_eol((0x558d99e6bec0), _689412)
   Call: (234) [system] get_char((0x558d99e6bec0), _690342)
   Exit: (234) [system] get_char((0x558d99e6bec0), r)
   Call: (234) [system] char_type(r, end_of_line)
   Fail: (234) [system] char_type(r, end_of_line)
   Call: (234) [system] r=end_of_file
   Fail: (234) [system] r=end_of_file
^  Call: (234) [user] read_until_eol((0x558d99e6bec0), _695912)
   Call: (235) [system] get_char((0x558d99e6bec0), _696842)
   Exit: (235) [system] get_char((0x558d99e6bec0), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Fail: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
   Fail: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x558d99e6bec0), _702412)
   Call: (236) [system] get_char((0x558d99e6bec0), _703342)
   Exit: (236) [system] get_char((0x558d99e6bec0), c)
   Call: (236) [system] char_type(c, end_of_line)
   Fail: (236) [system] char_type(c, end_of_line)
   Call: (236) [system] c=end_of_file
   Fail: (236) [system] c=end_of_file
^  Call: (236) [user] read_until_eol((0x558d99e6bec0), _708912)
   Call: (237) [system] get_char((0x558d99e6bec0), _709842)
   Exit: (237) [system] get_char((0x558d99e6bec0), u)
   Call: (237) [system] char_type(u, end_of_line)
   Fail: (237) [system] char_type(u, end_of_line)
   Call: (237) [system] u=end_of_file
   Fail: (237) [system] u=end_of_file
^  Call: (237) [user] read_until_eol((0x558d99e6bec0), _715412)
   Call: (238) [system] get_char((0x558d99e6bec0), _716342)
   Exit: (238) [system] get_char((0x558d99e6bec0), r)
   Call: (238) [system] char_type(r, end_of_line)
   Fail: (238) [system] char_type(r, end_of_line)
   Call: (238) [system] r=end_of_file
   Fail: (238) [system] r=end_of_file
^  Call: (238) [user] read_until_eol((0x558d99e6bec0), _721912)
   Call: (239) [system] get_char((0x558d99e6bec0), _722842)
   Exit: (239) [system] get_char((0x558d99e6bec0), r)
   Call: (239) [system] char_type(r, end_of_line)
   Fail: (239) [system] char_type(r, end_of_line)
   Call: (239) [system] r=end_of_file
   Fail: (239) [system] r=end_of_file
^  Call: (239) [user] read_until_eol((0x558d99e6bec0), _728412)
   Call: (240) [system] get_char((0x558d99e6bec0), _729342)
   Exit: (240) [system] get_char((0x558d99e6bec0), i)
   Call: (240) [system] char_type(i, end_of_line)
   Fail: (240) [system] char_type(i, end_of_line)
   Call: (240) [system] i=end_of_file
   Fail: (240) [system] i=end_of_file
^  Call: (240) [user] read_until_eol((0x558d99e6bec0), _734912)
   Call: (241) [system] get_char((0x558d99e6bec0), _735842)
   Exit: (241) [system] get_char((0x558d99e6bec0), e)
   Call: (241) [system] char_type(e, end_of_line)
   Fail: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
   Fail: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x558d99e6bec0), _741412)
   Call: (242) [system] get_char((0x558d99e6bec0), _742342)
   Exit: (242) [system] get_char((0x558d99e6bec0), d)
   Call: (242) [system] char_type(d, end_of_line)
   Fail: (242) [system] char_type(d, end_of_line)
   Call: (242) [system] d=end_of_file
   Fail: (242) [system] d=end_of_file
^  Call: (242) [user] read_until_eol((0x558d99e6bec0), _747912)
   Call: (243) [system] get_char((0x558d99e6bec0), _748842)
   Exit: (243) [system] get_char((0x558d99e6bec0), ' ')
   Call: (243) [system] char_type(' ', end_of_line)
   Fail: (243) [system] char_type(' ', end_of_line)
   Call: (243) [system] ' '=end_of_file
   Fail: (243) [system] ' '=end_of_file
^  Call: (243) [user] read_until_eol((0x558d99e6bec0), _754412)
   Call: (244) [system] get_char((0x558d99e6bec0), _755342)
   Exit: (244) [system] get_char((0x558d99e6bec0), r)
   Call: (244) [system] char_type(r, end_of_line)
   Fail: (244) [system] char_type(r, end_of_line)
   Call: (244) [system] r=end_of_file
   Fail: (244) [system] r=end_of_file
^  Call: (244) [user] read_until_eol((0x558d99e6bec0), _760912)
   Call: (245) [system] get_char((0x558d99e6bec0), _761842)
   Exit: (245) [system] get_char((0x558d99e6bec0), u)
   Call: (245) [system] char_type(u, end_of_line)
   Fail: (245) [system] char_type(u, end_of_line)
   Call: (245) [system] u=end_of_file
   Fail: (245) [system] u=end_of_file
^  Call: (245) [user] read_until_eol((0x558d99e6bec0), _767412)
   Call: (246) [system] get_char((0x558d99e6bec0), _768342)
   Exit: (246) [system] get_char((0x558d99e6bec0), l)
   Call: (246) [system] char_type(l, end_of_line)
   Fail: (246) [system] char_type(l, end_of_line)
   Call: (246) [system] l=end_of_file
   Fail: (246) [system] l=end_of_file
^  Call: (246) [user] read_until_eol((0x558d99e6bec0), _773912)
   Call: (247) [system] get_char((0x558d99e6bec0), _774842)
   Exit: (247) [system] get_char((0x558d99e6bec0), e)
   Call: (247) [system] char_type(e, end_of_line)
   Fail: (247) [system] char_type(e, end_of_line)
   Call: (247) [system] e=end_of_file
   Fail: (247) [system] e=end_of_file
^  Call: (247) [user] read_until_eol((0x558d99e6bec0), _780412)
   Call: (248) [system] get_char((0x558d99e6bec0), _781342)
   Exit: (248) [system] get_char((0x558d99e6bec0), s)
   Call: (248) [system] char_type(s, end_of_line)
   Fail: (248) [system] char_type(s, end_of_line)
   Call: (248) [system] s=end_of_file
   Fail: (248) [system] s=end_of_file
^  Call: (248) [user] read_until_eol((0x558d99e6bec0), _786912)
   Call: (249) [system] get_char((0x558d99e6bec0), _787842)
   Exit: (249) [system] get_char((0x558d99e6bec0), ' ')
   Call: (249) [system] char_type(' ', end_of_line)
   Fail: (249) [system] char_type(' ', end_of_line)
   Call: (249) [system] ' '=end_of_file
   Fail: (249) [system] ' '=end_of_file
^  Call: (249) [user] read_until_eol((0x558d99e6bec0), _793412)
   Call: (250) [system] get_char((0x558d99e6bec0), _794342)
   Exit: (250) [system] get_char((0x558d99e6bec0), i)
   Call: (250) [system] char_type(i, end_of_line)
   Fail: (250) [system] char_type(i, end_of_line)
   Call: (250) [system] i=end_of_file
   Fail: (250) [system] i=end_of_file
^  Call: (250) [user] read_until_eol((0x558d99e6bec0), _799912)
   Call: (251) [system] get_char((0x558d99e6bec0), _800842)
   Exit: (251) [system] get_char((0x558d99e6bec0), n)
   Call: (251) [system] char_type(n, end_of_line)
   Fail: (251) [system] char_type(n, end_of_line)
   Call: (251) [system] n=end_of_file
   Fail: (251) [system] n=end_of_file
^  Call: (251) [user] read_until_eol((0x558d99e6bec0), _806412)
   Call: (252) [system] get_char((0x558d99e6bec0), _807342)
   Exit: (252) [system] get_char((0x558d99e6bec0), s)
   Call: (252) [system] char_type(s, end_of_line)
   Fail: (252) [system] char_type(s, end_of_line)
   Call: (252) [system] s=end_of_file
   Fail: (252) [system] s=end_of_file
^  Call: (252) [user] read_until_eol((0x558d99e6bec0), _812912)
   Call: (253) [system] get_char((0x558d99e6bec0), _813842)
   Exit: (253) [system] get_char((0x558d99e6bec0), t)
   Call: (253) [system] char_type(t, end_of_line)
   Fail: (253) [system] char_type(t, end_of_line)
   Call: (253) [system] t=end_of_file
   Fail: (253) [system] t=end_of_file
^  Call: (253) [user] read_until_eol((0x558d99e6bec0), _819412)
   Call: (254) [system] get_char((0x558d99e6bec0), _820342)
   Exit: (254) [system] get_char((0x558d99e6bec0), e)
   Call: (254) [system] char_type(e, end_of_line)
   Fail: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
   Fail: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x558d99e6bec0), _825912)
   Call: (255) [system] get_char((0x558d99e6bec0), _826842)
   Exit: (255) [system] get_char((0x558d99e6bec0), a)
   Call: (255) [system] char_type(a, end_of_line)
   Fail: (255) [system] char_type(a, end_of_line)
   Call: (255) [system] a=end_of_file
   Fail: (255) [system] a=end_of_file
^  Call: (255) [user] read_until_eol((0x558d99e6bec0), _832412)
   Call: (256) [system] get_char((0x558d99e6bec0), _833342)
   Exit: (256) [system] get_char((0x558d99e6bec0), d)
   Call: (256) [system] char_type(d, end_of_line)
   Fail: (256) [system] char_type(d, end_of_line)
   Call: (256) [system] d=end_of_file
   Fail: (256) [system] d=end_of_file
^  Call: (256) [user] read_until_eol((0x558d99e6bec0), _838912)
   Call: (257) [system] get_char((0x558d99e6bec0), _839842)
   Exit: (257) [system] get_char((0x558d99e6bec0), ' ')
   Call: (257) [system] char_type(' ', end_of_line)
   Fail: (257) [system] char_type(' ', end_of_line)
   Call: (257) [system] ' '=end_of_file
   Fail: (257) [system] ' '=end_of_file
^  Call: (257) [user] read_until_eol((0x558d99e6bec0), _845412)
   Call: (258) [system] get_char((0x558d99e6bec0), _846342)
   Exit: (258) [system] get_char((0x558d99e6bec0), o)
   Call: (258) [system] char_type(o, end_of_line)
   Fail: (258) [system] char_type(o, end_of_line)
   Call: (258) [system] o=end_of_file
   Fail: (258) [system] o=end_of_file
^  Call: (258) [user] read_until_eol((0x558d99e6bec0), _851912)
   Call: (259) [system] get_char((0x558d99e6bec0), _852842)
   Exit: (259) [system] get_char((0x558d99e6bec0), f)
   Call: (259) [system] char_type(f, end_of_line)
   Fail: (259) [system] char_type(f, end_of_line)
   Call: (259) [system] f=end_of_file
   Fail: (259) [system] f=end_of_file
^  Call: (259) [user] read_until_eol((0x558d99e6bec0), _858412)
   Call: (260) [system] get_char((0x558d99e6bec0), _859342)
   Exit: (260) [system] get_char((0x558d99e6bec0), ' ')
   Call: (260) [system] char_type(' ', end_of_line)
   Fail: (260) [system] char_type(' ', end_of_line)
   Call: (260) [system] ' '=end_of_file
   Fail: (260) [system] ' '=end_of_file
^  Call: (260) [user] read_until_eol((0x558d99e6bec0), _864912)
   Call: (261) [system] get_char((0x558d99e6bec0), _865842)
   Exit: (261) [system] get_char((0x558d99e6bec0), d)
   Call: (261) [system] char_type(d, end_of_line)
   Fail: (261) [system] char_type(d, end_of_line)
   Call: (261) [system] d=end_of_file
   Fail: (261) [system] d=end_of_file
^  Call: (261) [user] read_until_eol((0x558d99e6bec0), _871412)
   Call: (262) [system] get_char((0x558d99e6bec0), _872342)
   Exit: (262) [system] get_char((0x558d99e6bec0), u)
   Call: (262) [system] char_type(u, end_of_line)
   Fail: (262) [system] char_type(u, end_of_line)
   Call: (262) [system] u=end_of_file
   Fail: (262) [system] u=end_of_file
^  Call: (262) [user] read_until_eol((0x558d99e6bec0), _877912)
   Call: (263) [system] get_char((0x558d99e6bec0), _878842)
   Exit: (263) [system] get_char((0x558d99e6bec0), p)
   Call: (263) [system] char_type(p, end_of_line)
   Fail: (263) [system] char_type(p, end_of_line)
   Call: (263) [system] p=end_of_file
   Fail: (263) [system] p=end_of_file
^  Call: (263) [user] read_until_eol((0x558d99e6bec0), _884412)
   Call: (264) [system] get_char((0x558d99e6bec0), _885342)
   Exit: (264) [system] get_char((0x558d99e6bec0), l)
   Call: (264) [system] char_type(l, end_of_line)
   Fail: (264) [system] char_type(l, end_of_line)
   Call: (264) [system] l=end_of_file
   Fail: (264) [system] l=end_of_file
^  Call: (264) [user] read_until_eol((0x558d99e6bec0), _890912)
   Call: (265) [system] get_char((0x558d99e6bec0), _891842)
   Exit: (265) [system] get_char((0x558d99e6bec0), i)
   Call: (265) [system] char_type(i, end_of_line)
   Fail: (265) [system] char_type(i, end_of_line)
   Call: (265) [system] i=end_of_file
   Fail: (265) [system] i=end_of_file
^  Call: (265) [user] read_until_eol((0x558d99e6bec0), _897412)
   Call: (266) [system] get_char((0x558d99e6bec0), _898342)
   Exit: (266) [system] get_char((0x558d99e6bec0), c)
   Call: (266) [system] char_type(c, end_of_line)
   Fail: (266) [system] char_type(c, end_of_line)
   Call: (266) [system] c=end_of_file
   Fail: (266) [system] c=end_of_file
^  Call: (266) [user] read_until_eol((0x558d99e6bec0), _903912)
   Call: (267) [system] get_char((0x558d99e6bec0), _904842)
   Exit: (267) [system] get_char((0x558d99e6bec0), a)
   Call: (267) [system] char_type(a, end_of_line)
   Fail: (267) [system] char_type(a, end_of_line)
   Call: (267) [system] a=end_of_file
   Fail: (267) [system] a=end_of_file
^  Call: (267) [user] read_until_eol((0x558d99e6bec0), _910412)
   Call: (268) [system] get_char((0x558d99e6bec0), _911342)
   Exit: (268) [system] get_char((0x558d99e6bec0), t)
   Call: (268) [system] char_type(t, end_of_line)
   Fail: (268) [system] char_type(t, end_of_line)
   Call: (268) [system] t=end_of_file
   Fail: (268) [system] t=end_of_file
^  Call: (268) [user] read_until_eol((0x558d99e6bec0), _916912)
   Call: (269) [system] get_char((0x558d99e6bec0), _917842)
   Exit: (269) [system] get_char((0x558d99e6bec0), i)
   Call: (269) [system] char_type(i, end_of_line)
   Fail: (269) [system] char_type(i, end_of_line)
   Call: (269) [system] i=end_of_file
   Fail: (269) [system] i=end_of_file
^  Call: (269) [user] read_until_eol((0x558d99e6bec0), _923412)
   Call: (270) [system] get_char((0x558d99e6bec0), _924342)
   Exit: (270) [system] get_char((0x558d99e6bec0), n)
   Call: (270) [system] char_type(n, end_of_line)
   Fail: (270) [system] char_type(n, end_of_line)
   Call: (270) [system] n=end_of_file
   Fail: (270) [system] n=end_of_file
^  Call: (270) [user] read_until_eol((0x558d99e6bec0), _929912)
   Call: (271) [system] get_char((0x558d99e6bec0), _930842)
   Exit: (271) [system] get_char((0x558d99e6bec0), g)
   Call: (271) [system] char_type(g, end_of_line)
   Fail: (271) [system] char_type(g, end_of_line)
   Call: (271) [system] g=end_of_file
   Fail: (271) [system] g=end_of_file
^  Call: (271) [user] read_until_eol((0x558d99e6bec0), _936412)
   Call: (272) [system] get_char((0x558d99e6bec0), _937342)
   Exit: (272) [system] get_char((0x558d99e6bec0), ' ')
   Call: (272) [system] char_type(' ', end_of_line)
   Fail: (272) [system] char_type(' ', end_of_line)
   Call: (272) [system] ' '=end_of_file
   Fail: (272) [system] ' '=end_of_file
^  Call: (272) [user] read_until_eol((0x558d99e6bec0), _942912)
   Call: (273) [system] get_char((0x558d99e6bec0), _943842)
   Exit: (273) [system] get_char((0x558d99e6bec0), c)
   Call: (273) [system] char_type(c, end_of_line)
   Fail: (273) [system] char_type(c, end_of_line)
   Call: (273) [system] c=end_of_file
   Fail: (273) [system] c=end_of_file
^  Call: (273) [user] read_until_eol((0x558d99e6bec0), _949412)
   Call: (274) [system] get_char((0x558d99e6bec0), _950342)
   Exit: (274) [system] get_char((0x558d99e6bec0), o)
   Call: (274) [system] char_type(o, end_of_line)
   Fail: (274) [system] char_type(o, end_of_line)
   Call: (274) [system] o=end_of_file
   Fail: (274) [system] o=end_of_file
^  Call: (274) [user] read_until_eol((0x558d99e6bec0), _955912)
   Call: (275) [system] get_char((0x558d99e6bec0), _956842)
   Exit: (275) [system] get_char((0x558d99e6bec0), d)
   Call: (275) [system] char_type(d, end_of_line)
   Fail: (275) [system] char_type(d, end_of_line)
   Call: (275) [system] d=end_of_file
   Fail: (275) [system] d=end_of_file
^  Call: (275) [user] read_until_eol((0x558d99e6bec0), _962412)
   Call: (276) [system] get_char((0x558d99e6bec0), _963342)
   Exit: (276) [system] get_char((0x558d99e6bec0), e)
   Call: (276) [system] char_type(e, end_of_line)
   Fail: (276) [system] char_type(e, end_of_line)
   Call: (276) [system] e=end_of_file
   Fail: (276) [system] e=end_of_file
^  Call: (276) [user] read_until_eol((0x558d99e6bec0), _968912)
   Call: (277) [system] get_char((0x558d99e6bec0), _969842)
   Exit: (277) [system] get_char((0x558d99e6bec0), ' ')
   Call: (277) [system] char_type(' ', end_of_line)
   Fail: (277) [system] char_type(' ', end_of_line)
   Call: (277) [system] ' '=end_of_file
   Fail: (277) [system] ' '=end_of_file
^  Call: (277) [user] read_until_eol((0x558d99e6bec0), _975412)
   Call: (278) [system] get_char((0x558d99e6bec0), _976342)
   Exit: (278) [system] get_char((0x558d99e6bec0), o)
   Call: (278) [system] char_type(o, end_of_line)
   Fail: (278) [system] char_type(o, end_of_line)
   Call: (278) [system] o=end_of_file
   Fail: (278) [system] o=end_of_file
^  Call: (278) [user] read_until_eol((0x558d99e6bec0), _981912)
   Call: (279) [system] get_char((0x558d99e6bec0), _982842)
   Exit: (279) [system] get_char((0x558d99e6bec0), v)
   Call: (279) [system] char_type(v, end_of_line)
   Fail: (279) [system] char_type(v, end_of_line)
   Call: (279) [system] v=end_of_file
   Fail: (279) [system] v=end_of_file
^  Call: (279) [user] read_until_eol((0x558d99e6bec0), _988412)
   Call: (280) [system] get_char((0x558d99e6bec0), _989342)
   Exit: (280) [system] get_char((0x558d99e6bec0), e)
   Call: (280) [system] char_type(e, end_of_line)
   Fail: (280) [system] char_type(e, end_of_line)
   Call: (280) [system] e=end_of_file
   Fail: (280) [system] e=end_of_file
^  Call: (280) [user] read_until_eol((0x558d99e6bec0), _994912)
   Call: (281) [system] get_char((0x558d99e6bec0), _995842)
   Exit: (281) [system] get_char((0x558d99e6bec0), r)
   Call: (281) [system] char_type(r, end_of_line)
   Fail: (281) [system] char_type(r, end_of_line)
   Call: (281) [system] r=end_of_file
   Fail: (281) [system] r=end_of_file
^  Call: (281) [user] read_until_eol((0x558d99e6bec0), _1001412)
   Call: (282) [system] get_char((0x558d99e6bec0), _1002342)
   Exit: (282) [system] get_char((0x558d99e6bec0), '\n')
   Call: (282) [system] char_type('\n', end_of_line)
   Exit: (282) [system] char_type('\n', end_of_line)
   Call: (282) [system] _1001412=""
   Exit: (282) [system] ""=""
^  Exit: (281) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (281) [system] string_concat(r, "", _994912)
   Exit: (281) [system] string_concat(r, "", "r")
^  Exit: (280) [user] read_until_eol((0x558d99e6bec0), "r")
   Call: (280) [system] string_concat(e, "r", _988412)
   Exit: (280) [system] string_concat(e, "r", "er")
^  Exit: (279) [user] read_until_eol((0x558d99e6bec0), "er")
   Call: (279) [system] string_concat(v, "er", _981912)
   Exit: (279) [system] string_concat(v, "er", "ver")
^  Exit: (278) [user] read_until_eol((0x558d99e6bec0), "ver")
   Call: (278) [system] string_concat(o, "ver", _975412)
   Exit: (278) [system] string_concat(o, "ver", "over")
^  Exit: (277) [user] read_until_eol((0x558d99e6bec0), "over")
   Call: (277) [system] string_concat(' ', "over", _968912)
   Exit: (277) [system] string_concat(' ', "over", " over")
^  Exit: (276) [user] read_until_eol((0x558d99e6bec0), " over")
   Call: (276) [system] string_concat(e, " over", _962412)
   Exit: (276) [system] string_concat(e, " over", "e over")
^  Exit: (275) [user] read_until_eol((0x558d99e6bec0), "e over")
   Call: (275) [system] string_concat(d, "e over", _955912)
   Exit: (275) [system] string_concat(d, "e over", "de over")
^  Exit: (274) [user] read_until_eol((0x558d99e6bec0), "de over")
   Call: (274) [system] string_concat(o, "de over", _949412)
   Exit: (274) [system] string_concat(o, "de over", "ode over")
^  Exit: (273) [user] read_until_eol((0x558d99e6bec0), "ode over")
   Call: (273) [system] string_concat(c, "ode over", _942912)
   Exit: (273) [system] string_concat(c, "ode over", "code over")
^  Exit: (272) [user] read_until_eol((0x558d99e6bec0), "code over")
   Call: (272) [system] string_concat(' ', "code over", _936412)
   Exit: (272) [system] string_concat(' ', "code over", " code over")
^  Exit: (271) [user] read_until_eol((0x558d99e6bec0), " code over")
   Call: (271) [system] string_concat(g, " code over", _929912)
   Exit: (271) [system] string_concat(g, " code over", "g code over")
^  Exit: (270) [user] read_until_eol((0x558d99e6bec0), "g code over")
   Call: (270) [system] string_concat(n, "g code over", _923412)
   Exit: (270) [system] string_concat(n, "g code over", "ng code over")
^  Exit: (269) [user] read_until_eol((0x558d99e6bec0), "ng code over")
   Call: (269) [system] string_concat(i, "ng code over", _916912)
   Exit: (269) [system] string_concat(i, "ng code over", "ing code over")
^  Exit: (268) [user] read_until_eol((0x558d99e6bec0), "ing code over")
   Call: (268) [system] string_concat(t, "ing code over", _910412)
   Exit: (268) [system] string_concat(t, "ing code over", "ting code over")
^  Exit: (267) [user] read_until_eol((0x558d99e6bec0), "ting code over")
   Call: (267) [system] string_concat(a, "ting code over", _903912)
   Exit: (267) [system] string_concat(a, "ting code over", "ating code over")
^  Exit: (266) [user] read_until_eol((0x558d99e6bec0), "ating code over")
   Call: (266) [system] string_concat(c, "ating code over", _897412)
   Exit: (266) [system] string_concat(c, "ating code over", "cating code over")
^  Exit: (265) [user] read_until_eol((0x558d99e6bec0), "cating code over")
   Call: (265) [system] string_concat(i, "cating code over", _890912)
   Exit: (265) [system] string_concat(i, "cating code over", "icating code over")
^  Exit: (264) [user] read_until_eol((0x558d99e6bec0), "icating code over")
   Call: (264) [system] string_concat(l, "icating code over", _884412)
   Exit: (264) [system] string_concat(l, "icating code over", "licating code over")
^  Exit: (263) [user] read_until_eol((0x558d99e6bec0), "licating code over")
   Call: (263) [system] string_concat(p, "licating code over", _877912)
   Exit: (263) [system] string_concat(p, "licating code over", "plicating code over")
^  Exit: (262) [user] read_until_eol((0x558d99e6bec0), "plicating code over")
   Call: (262) [system] string_concat(u, "plicating code over", _871412)
   Exit: (262) [system] string_concat(u, "plicating code over", "uplicating code over")
^  Exit: (261) [user] read_until_eol((0x558d99e6bec0), "uplicating code over")
   Call: (261) [system] string_concat(d, "uplicating code over", _864912)
   Exit: (261) [system] string_concat(d, "uplicating code over", "duplicating code over")
^  Exit: (260) [user] read_until_eol((0x558d99e6bec0), "duplicating code over")
   Call: (260) [system] string_concat(' ', "duplicating code over", _858412)
   Exit: (260) [system] string_concat(' ', "duplicating code over", " duplicating code over")
^  Exit: (259) [user] read_until_eol((0x558d99e6bec0), " duplicating code over")
   Call: (259) [system] string_concat(f, " duplicating code over", _851912)
   Exit: (259) [system] string_concat(f, " duplicating code over", "f duplicating code over")
^  Exit: (258) [user] read_until_eol((0x558d99e6bec0), "f duplicating code over")
   Call: (258) [system] string_concat(o, "f duplicating code over", _845412)
   Exit: (258) [system] string_concat(o, "f duplicating code over", "of duplicating code over")
^  Exit: (257) [user] read_until_eol((0x558d99e6bec0), "of duplicating code over")
   Call: (257) [system] string_concat(' ', "of duplicating code over", _838912)
   Exit: (257) [system] string_concat(' ', "of duplicating code over", " of duplicating code over")
^  Exit: (256) [user] read_until_eol((0x558d99e6bec0), " of duplicating code over")
   Call: (256) [system] string_concat(d, " of duplicating code over", _832412)
   Exit: (256) [system] string_concat(d, " of duplicating code over", "d of duplicating code over")
^  Exit: (255) [user] read_until_eol((0x558d99e6bec0), "d of duplicating code over")
   Call: (255) [system] string_concat(a, "d of duplicating code over", _825912)
   Exit: (255) [system] string_concat(a, "d of duplicating code over", "ad of duplicating code over")
^  Exit: (254) [user] read_until_eol((0x558d99e6bec0), "ad of duplicating code over")
   Call: (254) [system] string_concat(e, "ad of duplicating code over", _819412)
   Exit: (254) [system] string_concat(e, "ad of duplicating code over", "ead of duplicating code over")
^  Exit: (253) [user] read_until_eol((0x558d99e6bec0), "ead of duplicating code over")
   Call: (253) [system] string_concat(t, "ead of duplicating code over", _812912)
   Exit: (253) [system] string_concat(t, "ead of duplicating code over", "tead of duplicating code over")
^  Exit: (252) [user] read_until_eol((0x558d99e6bec0), "tead of duplicating code over")
   Call: (252) [system] string_concat(s, "tead of duplicating code over", _806412)
   Exit: (252) [system] string_concat(s, "tead of duplicating code over", "stead of duplicating code over")
^  Exit: (251) [user] read_until_eol((0x558d99e6bec0), "stead of duplicating code over")
   Call: (251) [system] string_concat(n, "stead of duplicating code over", _799912)
   Exit: (251) [system] string_concat(n, "stead of duplicating code over", "nstead of duplicating code over")
^  Exit: (250) [user] read_until_eol((0x558d99e6bec0), "nstead of duplicating code over")
   Call: (250) [system] string_concat(i, "nstead of duplicating code over", _793412)
   Exit: (250) [system] string_concat(i, "nstead of duplicating code over", "instead of duplicating code over")
^  Exit: (249) [user] read_until_eol((0x558d99e6bec0), "instead of duplicating code over")
   Call: (249) [system] string_concat(' ', "instead of duplicating code over", _786912)
   Exit: (249) [system] string_concat(' ', "instead of duplicating code over", " instead of duplicating code over")
^  Exit: (248) [user] read_until_eol((0x558d99e6bec0), " instead of duplicating code over")
   Call: (248) [system] string_concat(s, " instead of duplicating code over", _780412)
   Exit: (248) [system] string_concat(s, " instead of duplicating code over", "s instead of duplicating code over")
^  Exit: (247) [user] read_until_eol((0x558d99e6bec0), "s instead of duplicating code over")
   Call: (247) [system] string_concat(e, "s instead of duplicating code over", _773912)
   Exit: (247) [system] string_concat(e, "s instead of duplicating code over", "es instead of duplicating code over")
^  Exit: (246) [user] read_until_eol((0x558d99e6bec0), "es instead of duplicating code over")
   Call: (246) [system] string_concat(l, "es instead of duplicating code over", _767412)
   Exit: (246) [system] string_concat(l, "es instead of duplicating code over", "les instead of duplicating code over")
^  Exit: (245) [user] read_until_eol((0x558d99e6bec0), "les instead of duplicating code over")
   Call: (245) [system] string_concat(u, "les instead of duplicating code over", _760912)
   Exit: (245) [system] string_concat(u, "les instead of duplicating code over", "ules instead of duplicating code over")
^  Exit: (244) [user] read_until_eol((0x558d99e6bec0), "ules instead of duplicating code over")
   Call: (244) [system] string_concat(r, "ules instead of duplicating code over", _754412)
   Exit: (244) [system] string_concat(r, "ules instead of duplicating code over", "rules instead of duplicating code over")
^  Exit: (243) [user] read_until_eol((0x558d99e6bec0), "rules instead of duplicating code over")
   Call: (243) [system] string_concat(' ', "rules instead of duplicating code over", _747912)
   Exit: (243) [system] string_concat(' ', "rules instead of duplicating code over", " rules instead of duplicating code over")
^  Exit: (242) [user] read_until_eol((0x558d99e6bec0), " rules instead of duplicating code over")
   Call: (242) [system] string_concat(d, " rules instead of duplicating code over", _741412)
   Exit: (242) [system] string_concat(d, " rules instead of duplicating code over", "d rules instead of duplicating code over")
^  Exit: (241) [user] read_until_eol((0x558d99e6bec0), "d rules instead of duplicating code over")
   Call: (241) [system] string_concat(e, "d rules instead of duplicating code over", _734912)
   Exit: (241) [system] string_concat(e, "d rules instead of duplicating code over", "ed rules instead of duplicating code over")
^  Exit: (240) [user] read_until_eol((0x558d99e6bec0), "ed rules instead of duplicating code over")
   Call: (240) [system] string_concat(i, "ed rules instead of duplicating code over", _728412)
   Exit: (240) [system] string_concat(i, "ed rules instead of duplicating code over", "ied rules instead of duplicating code over")
^  Exit: (239) [user] read_until_eol((0x558d99e6bec0), "ied rules instead of duplicating code over")
   Call: (239) [system] string_concat(r, "ied rules instead of duplicating code over", _721912)
   Exit: (239) [system] string_concat(r, "ied rules instead of duplicating code over", "ried rules instead of duplicating code over")
^  Exit: (238) [user] read_until_eol((0x558d99e6bec0), "ried rules instead of duplicating code over")
   Call: (238) [system] string_concat(r, "ried rules instead of duplicating code over", _715412)
   Exit: (238) [system] string_concat(r, "ried rules instead of duplicating code over", "rried rules instead of duplicating code over")
^  Exit: (237) [user] read_until_eol((0x558d99e6bec0), "rried rules instead of duplicating code over")
   Call: (237) [system] string_concat(u, "rried rules instead of duplicating code over", _708912)
   Exit: (237) [system] string_concat(u, "rried rules instead of duplicating code over", "urried rules instead of duplicating code over")
^  Exit: (236) [user] read_until_eol((0x558d99e6bec0), "urried rules instead of duplicating code over")
   Call: (236) [system] string_concat(c, "urried rules instead of duplicating code over", _702412)
   Exit: (236) [system] string_concat(c, "urried rules instead of duplicating code over", "curried rules instead of duplicating code over")
^  Exit: (235) [user] read_until_eol((0x558d99e6bec0), "curried rules instead of duplicating code over")
   Call: (235) [system] string_concat(' ', "curried rules instead of duplicating code over", _695912)
   Exit: (235) [system] string_concat(' ', "curried rules instead of duplicating code over", " curried rules instead of duplicating code over")
^  Exit: (234) [user] read_until_eol((0x558d99e6bec0), " curried rules instead of duplicating code over")
   Call: (234) [system] string_concat(r, " curried rules instead of duplicating code over", _689412)
   Exit: (234) [system] string_concat(r, " curried rules instead of duplicating code over", "r curried rules instead of duplicating code over")
^  Exit: (233) [user] read_until_eol((0x558d99e6bec0), "r curried rules instead of duplicating code over")
   Call: (233) [system] string_concat(e, "r curried rules instead of duplicating code over", _682912)
   Exit: (233) [system] string_concat(e, "r curried rules instead of duplicating code over", "er curried rules instead of duplicating code over")
^  Exit: (232) [user] read_until_eol((0x558d99e6bec0), "er curried rules instead of duplicating code over")
   Call: (232) [system] string_concat(v, "er curried rules instead of duplicating code over", _676412)
   Exit: (232) [system] string_concat(v, "er curried rules instead of duplicating code over", "ver curried rules instead of duplicating code over")
^  Exit: (231) [user] read_until_eol((0x558d99e6bec0), "ver curried rules instead of duplicating code over")
   Call: (231) [system] string_concat(o, "ver curried rules instead of duplicating code over", _669912)
   Exit: (231) [system] string_concat(o, "ver curried rules instead of duplicating code over", "over curried rules instead of duplicating code over")
^  Exit: (230) [user] read_until_eol((0x558d99e6bec0), "over curried rules instead of duplicating code over")
   Call: (230) [system] string_concat(' ', "over curried rules instead of duplicating code over", _663412)
   Exit: (230) [system] string_concat(' ', "over curried rules instead of duplicating code over", " over curried rules instead of duplicating code over")
^  Exit: (229) [user] read_until_eol((0x558d99e6bec0), " over curried rules instead of duplicating code over")
   Call: (229) [system] string_concat(e, " over curried rules instead of duplicating code over", _656912)
   Exit: (229) [system] string_concat(e, " over curried rules instead of duplicating code over", "e over curried rules instead of duplicating code over")
^  Exit: (228) [user] read_until_eol((0x558d99e6bec0), "e over curried rules instead of duplicating code over")
   Call: (228) [system] string_concat(s, "e over curried rules instead of duplicating code over", _650412)
   Exit: (228) [system] string_concat(s, "e over curried rules instead of duplicating code over", "se over curried rules instead of duplicating code over")
^  Exit: (227) [user] read_until_eol((0x558d99e6bec0), "se over curried rules instead of duplicating code over")
   Call: (227) [system] string_concat(r, "se over curried rules instead of duplicating code over", _643912)
   Exit: (227) [system] string_concat(r, "se over curried rules instead of duplicating code over", "rse over curried rules instead of duplicating code over")
^  Exit: (226) [user] read_until_eol((0x558d99e6bec0), "rse over curried rules instead of duplicating code over")
   Call: (226) [system] string_concat(u, "rse over curried rules instead of duplicating code over", _637412)
   Exit: (226) [system] string_concat(u, "rse over curried rules instead of duplicating code over", "urse over curried rules instead of duplicating code over")
^  Exit: (225) [user] read_until_eol((0x558d99e6bec0), "urse over curried rules instead of duplicating code over")
   Call: (225) [system] string_concat(c, "urse over curried rules instead of duplicating code over", _630912)
   Exit: (225) [system] string_concat(c, "urse over curried rules instead of duplicating code over", "curse over curried rules instead of duplicating code over")
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "curse over curried rules instead of duplicating code over")
   Call: (224) [system] string_concat(e, "curse over curried rules instead of duplicating code over", _624412)
   Exit: (224) [system] string_concat(e, "curse over curried rules instead of duplicating code over", "ecurse over curried rules instead of duplicating code over")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), "ecurse over curried rules instead of duplicating code over")
   Call: (223) [system] string_concat(r, "ecurse over curried rules instead of duplicating code over", _617912)
   Exit: (223) [system] string_concat(r, "ecurse over curried rules instead of duplicating code over", "recurse over curried rules instead of duplicating code over")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "recurse over curried rules instead of duplicating code over")
   Call: (222) [system] string_concat(' ', "recurse over curried rules instead of duplicating code over", _611412)
   Exit: (222) [system] string_concat(' ', "recurse over curried rules instead of duplicating code over", " recurse over curried rules instead of duplicating code over")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), " recurse over curried rules instead of duplicating code over")
   Call: (221) [system] string_concat(:, " recurse over curried rules instead of duplicating code over", _604912)
   Exit: (221) [system] string_concat(:, " recurse over curried rules instead of duplicating code over", ": recurse over curried rules instead of duplicating code over")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), ": recurse over curried rules instead of duplicating code over")
   Call: (220) [system] string_concat('O', ": recurse over curried rules instead of duplicating code over", _598412)
   Exit: (220) [system] string_concat('O', ": recurse over curried rules instead of duplicating code over", "O: recurse over curried rules instead of duplicating code over")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "O: recurse over curried rules instead of duplicating code over")
   Call: (219) [system] string_concat('D', "O: recurse over curried rules instead of duplicating code over", _591912)
   Exit: (219) [system] string_concat('D', "O: recurse over curried rules instead of duplicating code over", "DO: recurse over curried rules instead of duplicating code over")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "DO: recurse over curried rules instead of duplicating code over")
   Call: (218) [system] string_concat('O', "DO: recurse over curried rules instead of duplicating code over", _585412)
   Exit: (218) [system] string_concat('O', "DO: recurse over curried rules instead of duplicating code over", "ODO: recurse over curried rules instead of duplicating code over")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "ODO: recurse over curried rules instead of duplicating code over")
   Call: (217) [system] string_concat('T', "ODO: recurse over curried rules instead of duplicating code over", _578912)
   Exit: (217) [system] string_concat('T', "ODO: recurse over curried rules instead of duplicating code over", "TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), "TODO: recurse over curried rules instead of duplicating code over")
   Call: (216) [system] string_concat(' ', "TODO: recurse over curried rules instead of duplicating code over", _572412)
   Exit: (216) [system] string_concat(' ', "TODO: recurse over curried rules instead of duplicating code over", " TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), " TODO: recurse over curried rules instead of duplicating code over")
   Call: (215) [system] string_concat(;, " TODO: recurse over curried rules instead of duplicating code over", _565912)
   Exit: (215) [system] string_concat(;, " TODO: recurse over curried rules instead of duplicating code over", "; TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "; TODO: recurse over curried rules instead of duplicating code over")
   Call: (214) [system] string_concat(;, "; TODO: recurse over curried rules instead of duplicating code over", _559412)
   Exit: (214) [system] string_concat(;, "; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), ";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (212) [user] read_comment((0x558d99e6bec0))
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1203382)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ;)
   Call: (213) [system] (;)=(;)
   Exit: (213) [system] (;)=(;)
^  Call: (213) [user] read_comment((0x558d99e6bec0))
^  Call: (214) [user] read_position((0x558d99e6bec0), _1208020, _1208022, _1208024, _1208026)
   Call: (215) [system] stream_property((0x558d99e6bec0), position(_1208026))
   Call: (216) [system] nonvar((0x558d99e6bec0))
   Exit: (216) [system] nonvar((0x558d99e6bec0))
   Call: (216) [system] nonvar(position(_1208026))
   Exit: (216) [system] nonvar(position(_1208026))
   Exit: (215) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1542, 48, 0, 1542)))
   Call: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), _1208020)
   Call: (216) [system] nonvar(line_count)
   Exit: (216) [system] nonvar(line_count)
   Call: (216) [$syspreds] stream_position_field(line_count, _1217314)
   Exit: (216) [$syspreds] stream_position_field(line_count, 2)
   Call: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), _1208020)
   Exit: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), 48)
   Exit: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), 48)
   Call: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), _1208022)
   Call: (216) [system] nonvar(line_position)
   Exit: (216) [system] nonvar(line_position)
   Call: (216) [$syspreds] stream_position_field(line_position, _1224748)
   Exit: (216) [$syspreds] stream_position_field(line_position, 3)
   Call: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), _1208022)
   Exit: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), 0)
   Exit: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), 0)
   Call: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), _1208024)
   Call: (216) [system] nonvar(char_count)
   Exit: (216) [system] nonvar(char_count)
   Call: (216) [$syspreds] stream_position_field(char_count, _1232182)
   Exit: (216) [$syspreds] stream_position_field(char_count, 1)
   Call: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), _1208024)
   Exit: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), 1542)
   Exit: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), 1542)
^  Exit: (214) [user] read_position((0x558d99e6bec0), 48, 0, 1542, '$stream_position'(1542, 48, 0, 1542))
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _1237776)
   Call: (215) [system] get_char((0x558d99e6bec0), _1238706)
   Exit: (215) [system] get_char((0x558d99e6bec0), ;)
   Call: (215) [system] char_type(;, end_of_line)
   Fail: (215) [system] char_type(;, end_of_line)
   Call: (215) [system] (;)=end_of_file
   Fail: (215) [system] (;)=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _1244276)
   Call: (216) [system] get_char((0x558d99e6bec0), _1245206)
   Exit: (216) [system] get_char((0x558d99e6bec0), ;)
   Call: (216) [system] char_type(;, end_of_line)
   Fail: (216) [system] char_type(;, end_of_line)
   Call: (216) [system] (;)=end_of_file
   Fail: (216) [system] (;)=end_of_file
^  Call: (216) [user] read_until_eol((0x558d99e6bec0), _1250776)
   Call: (217) [system] get_char((0x558d99e6bec0), _1251706)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Fail: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
   Fail: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x558d99e6bec0), _1257276)
   Call: (218) [system] get_char((0x558d99e6bec0), _1258206)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] char_type(t, end_of_line)
   Fail: (218) [system] char_type(t, end_of_line)
   Call: (218) [system] t=end_of_file
   Fail: (218) [system] t=end_of_file
^  Call: (218) [user] read_until_eol((0x558d99e6bec0), _1263776)
   Call: (219) [system] get_char((0x558d99e6bec0), _1264706)
   Exit: (219) [system] get_char((0x558d99e6bec0), u)
   Call: (219) [system] char_type(u, end_of_line)
   Fail: (219) [system] char_type(u, end_of_line)
   Call: (219) [system] u=end_of_file
   Fail: (219) [system] u=end_of_file
^  Call: (219) [user] read_until_eol((0x558d99e6bec0), _1270276)
   Call: (220) [system] get_char((0x558d99e6bec0), _1271206)
   Exit: (220) [system] get_char((0x558d99e6bec0), p)
   Call: (220) [system] char_type(p, end_of_line)
   Fail: (220) [system] char_type(p, end_of_line)
   Call: (220) [system] p=end_of_file
   Fail: (220) [system] p=end_of_file
^  Call: (220) [user] read_until_eol((0x558d99e6bec0), _1276776)
   Call: (221) [system] get_char((0x558d99e6bec0), _1277706)
   Exit: (221) [system] get_char((0x558d99e6bec0), l)
   Call: (221) [system] char_type(l, end_of_line)
   Fail: (221) [system] char_type(l, end_of_line)
   Call: (221) [system] l=end_of_file
   Fail: (221) [system] l=end_of_file
^  Call: (221) [user] read_until_eol((0x558d99e6bec0), _1283276)
   Call: (222) [system] get_char((0x558d99e6bec0), _1284206)
   Exit: (222) [system] get_char((0x558d99e6bec0), e)
   Call: (222) [system] char_type(e, end_of_line)
   Fail: (222) [system] char_type(e, end_of_line)
   Call: (222) [system] e=end_of_file
   Fail: (222) [system] e=end_of_file
^  Call: (222) [user] read_until_eol((0x558d99e6bec0), _1289776)
   Call: (223) [system] get_char((0x558d99e6bec0), _1290706)
   Exit: (223) [system] get_char((0x558d99e6bec0), s)
   Call: (223) [system] char_type(s, end_of_line)
   Fail: (223) [system] char_type(s, end_of_line)
   Call: (223) [system] s=end_of_file
   Fail: (223) [system] s=end_of_file
^  Call: (223) [user] read_until_eol((0x558d99e6bec0), _1296276)
   Call: (224) [system] get_char((0x558d99e6bec0), _1297206)
   Exit: (224) [system] get_char((0x558d99e6bec0), '.')
   Call: (224) [system] char_type('.', end_of_line)
   Fail: (224) [system] char_type('.', end_of_line)
   Call: (224) [system] ('.')=end_of_file
   Fail: (224) [system] ('.')=end_of_file
^  Call: (224) [user] read_until_eol((0x558d99e6bec0), _1302776)
   Call: (225) [system] get_char((0x558d99e6bec0), _1303706)
   Exit: (225) [system] get_char((0x558d99e6bec0), '\n')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
   Call: (225) [system] _1302776=""
   Exit: (225) [system] ""=""
^  Exit: (224) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (224) [system] string_concat('.', "", _1296276)
   Exit: (224) [system] string_concat('.', "", ".")
^  Exit: (223) [user] read_until_eol((0x558d99e6bec0), ".")
   Call: (223) [system] string_concat(s, ".", _1289776)
   Exit: (223) [system] string_concat(s, ".", "s.")
^  Exit: (222) [user] read_until_eol((0x558d99e6bec0), "s.")
   Call: (222) [system] string_concat(e, "s.", _1283276)
   Exit: (222) [system] string_concat(e, "s.", "es.")
^  Exit: (221) [user] read_until_eol((0x558d99e6bec0), "es.")
   Call: (221) [system] string_concat(l, "es.", _1276776)
   Exit: (221) [system] string_concat(l, "es.", "les.")
^  Exit: (220) [user] read_until_eol((0x558d99e6bec0), "les.")
   Call: (220) [system] string_concat(p, "les.", _1270276)
   Exit: (220) [system] string_concat(p, "les.", "ples.")
^  Exit: (219) [user] read_until_eol((0x558d99e6bec0), "ples.")
   Call: (219) [system] string_concat(u, "ples.", _1263776)
   Exit: (219) [system] string_concat(u, "ples.", "uples.")
^  Exit: (218) [user] read_until_eol((0x558d99e6bec0), "uples.")
   Call: (218) [system] string_concat(t, "uples.", _1257276)
   Exit: (218) [system] string_concat(t, "uples.", "tuples.")
^  Exit: (217) [user] read_until_eol((0x558d99e6bec0), "tuples.")
   Call: (217) [system] string_concat(' ', "tuples.", _1250776)
   Exit: (217) [system] string_concat(' ', "tuples.", " tuples.")
^  Exit: (216) [user] read_until_eol((0x558d99e6bec0), " tuples.")
   Call: (216) [system] string_concat(;, " tuples.", _1244276)
   Exit: (216) [system] string_concat(;, " tuples.", "; tuples.")
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "; tuples.")
   Call: (215) [system] string_concat(;, "; tuples.", _1237776)
   Exit: (215) [system] string_concat(;, "; tuples.", ";; tuples.")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), ";; tuples.")
^  Call: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (213) [user] read_comment((0x558d99e6bec0))
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1341926)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _1384724)
   Exit: (182) [system] get_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _3318)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1390294)
   Exit: (184) [system] peek_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1404448)
   Exit: (183) [system] peek_char((0x558d99e6bec0), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1410018)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1411876)
   Exit: (185) [system] peek_char((0x558d99e6bec0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1426030)
   Exit: (184) [system] get_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x558d99e6bec0), :, _1410018)
^  Call: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1443672)
   Call: (186) [system] peek_char((0x558d99e6bec0), _1444606)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1443672=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (185) [user] classify_and_convert_charseq(:, [], _1410018)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1453916, _1453918), once(user:catch(read_from_chars([:], _1410018), _1453892, fail)), '$restore_trace'(_1453916, _1453918))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1453916, _1453918))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1453892, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (184) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1461416)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1463274)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _1471012)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1473716)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1488794)
   Exit: (184) [system] peek_char((0x558d99e6bec0), s)
   Call: (184) [system] s=')'
   Fail: (184) [system] s=')'
   Call: (184) [system] s=end_of_file
   Fail: (184) [system] s=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1494364)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1496222)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _1510376)
   Exit: (185) [system] get_char((0x558d99e6bec0), s)
   Call: (185) [system] s='('
   Fail: (185) [system] s='('
   Call: (185) [system] s='['
   Fail: (185) [system] s='['
   Call: (185) [system] s='{'
   Fail: (185) [system] s='{'
   Call: (185) [system] s='"'
   Fail: (185) [system] s='"'
   Call: (185) [system] s=!
   Fail: (185) [system] s=!
   Call: (185) [system] s='\''
   Fail: (185) [system] s='\''
   Call: (185) [system] s='`'
   Fail: (185) [system] s='`'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x558d99e6bec0), s, _1494364)
^  Call: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1528018)
   Call: (187) [system] peek_char((0x558d99e6bec0), _1528952)
   Exit: (187) [system] peek_char((0x558d99e6bec0), y)
^  Call: (187) [user] is_delimiter(y)
   Call: (188) [system] char_type(y, space)
   Fail: (188) [system] char_type(y, space)
   Call: (188) [system] arg(_1533672, v('(', ')', end_of_file), y)
   Fail: (188) [system] arg(_1534604, v('(', ')', end_of_file), y)
^  Fail: (187) [user] is_delimiter(y)
   Call: (187) [system] ')'==y
   Fail: (187) [system] ')'==y
   Call: (187) [system] get_char((0x558d99e6bec0), y)
   Exit: (187) [system] get_char((0x558d99e6bec0), y)
   Call: (187) [system] y=(\)
   Fail: (187) [system] y=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1541954)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1542888)
   Exit: (188) [system] peek_char((0x558d99e6bec0), n)
^  Call: (188) [user] is_delimiter(n)
   Call: (189) [system] char_type(n, space)
   Fail: (189) [system] char_type(n, space)
   Call: (189) [system] arg(_1547608, v('(', ')', end_of_file), n)
   Fail: (189) [system] arg(_1548540, v('(', ')', end_of_file), n)
^  Fail: (188) [user] is_delimiter(n)
   Call: (188) [system] ')'==n
   Fail: (188) [system] ')'==n
   Call: (188) [system] get_char((0x558d99e6bec0), n)
   Exit: (188) [system] get_char((0x558d99e6bec0), n)
   Call: (188) [system] n=(\)
   Fail: (188) [system] n=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1555890)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1556824)
   Exit: (189) [system] peek_char((0x558d99e6bec0), t)
^  Call: (189) [user] is_delimiter(t)
   Call: (190) [system] char_type(t, space)
   Fail: (190) [system] char_type(t, space)
   Call: (190) [system] arg(_1561544, v('(', ')', end_of_file), t)
   Fail: (190) [system] arg(_1562476, v('(', ')', end_of_file), t)
^  Fail: (189) [user] is_delimiter(t)
   Call: (189) [system] ')'==t
   Fail: (189) [system] ')'==t
   Call: (189) [system] get_char((0x558d99e6bec0), t)
   Exit: (189) [system] get_char((0x558d99e6bec0), t)
   Call: (189) [system] t=(\)
   Fail: (189) [system] t=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1569826)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1570760)
   Exit: (190) [system] peek_char((0x558d99e6bec0), h)
^  Call: (190) [user] is_delimiter(h)
   Call: (191) [system] char_type(h, space)
   Fail: (191) [system] char_type(h, space)
   Call: (191) [system] arg(_1575480, v('(', ')', end_of_file), h)
   Fail: (191) [system] arg(_1576412, v('(', ')', end_of_file), h)
^  Fail: (190) [user] is_delimiter(h)
   Call: (190) [system] ')'==h
   Fail: (190) [system] ')'==h
   Call: (190) [system] get_char((0x558d99e6bec0), h)
   Exit: (190) [system] get_char((0x558d99e6bec0), h)
   Call: (190) [system] h=(\)
   Fail: (190) [system] h=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1583762)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1584696)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1589416, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1590348, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1597698)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1598632)
   Exit: (192) [system] peek_char((0x558d99e6bec0), s)
^  Call: (192) [user] is_delimiter(s)
   Call: (193) [system] char_type(s, space)
   Fail: (193) [system] char_type(s, space)
   Call: (193) [system] arg(_1603352, v('(', ')', end_of_file), s)
   Fail: (193) [system] arg(_1604284, v('(', ')', end_of_file), s)
^  Fail: (192) [user] is_delimiter(s)
   Call: (192) [system] ')'==s
   Fail: (192) [system] ')'==s
   Call: (192) [system] get_char((0x558d99e6bec0), s)
   Exit: (192) [system] get_char((0x558d99e6bec0), s)
   Call: (192) [system] s=(\)
   Fail: (192) [system] s=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1611634)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1612568)
   Exit: (193) [system] peek_char((0x558d99e6bec0), i)
^  Call: (193) [user] is_delimiter(i)
   Call: (194) [system] char_type(i, space)
   Fail: (194) [system] char_type(i, space)
   Call: (194) [system] arg(_1617288, v('(', ')', end_of_file), i)
   Fail: (194) [system] arg(_1618220, v('(', ')', end_of_file), i)
^  Fail: (193) [user] is_delimiter(i)
   Call: (193) [system] ')'==i
   Fail: (193) [system] ')'==i
   Call: (193) [system] get_char((0x558d99e6bec0), i)
   Exit: (193) [system] get_char((0x558d99e6bec0), i)
   Call: (193) [system] i=(\)
   Fail: (193) [system] i=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1625570)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1626504)
   Exit: (194) [system] peek_char((0x558d99e6bec0), z)
^  Call: (194) [user] is_delimiter(z)
   Call: (195) [system] char_type(z, space)
   Fail: (195) [system] char_type(z, space)
   Call: (195) [system] arg(_1631224, v('(', ')', end_of_file), z)
   Fail: (195) [system] arg(_1632156, v('(', ')', end_of_file), z)
^  Fail: (194) [user] is_delimiter(z)
   Call: (194) [system] ')'==z
   Fail: (194) [system] ')'==z
   Call: (194) [system] get_char((0x558d99e6bec0), z)
   Exit: (194) [system] get_char((0x558d99e6bec0), z)
   Call: (194) [system] z=(\)
   Fail: (194) [system] z=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1639506)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1640440)
   Exit: (195) [system] peek_char((0x558d99e6bec0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1645160, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_1646092, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x558d99e6bec0), e)
   Exit: (195) [system] get_char((0x558d99e6bec0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1653442)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1654376)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1653442=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1639506=[e]
   Exit: (195) [system] [e]=[e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (194) [system] _1625570=[z, e]
   Exit: (194) [system] [z, e]=[z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (193) [system] _1611634=[i, z, e]
   Exit: (193) [system] [i, z, e]=[i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (192) [system] _1597698=[s, i, z, e]
   Exit: (192) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (191) [system] _1583762=[e, s, i, z, e]
   Exit: (191) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (190) [system] _1569826=[h, e, s, i, z, e]
   Exit: (190) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (189) [system] _1555890=[t, h, e, s, i, z, e]
   Exit: (189) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (188) [system] _1541954=[n, t, h, e, s, i, z, e]
   Exit: (188) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (187) [system] _1528018=[y, n, t, h, e, s, i, z, e]
   Exit: (187) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (186) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1494364)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_1688832, _1688834), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1494364), _1688808, fail)), '$restore_trace'(_1688832, _1688834))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_1688832, _1688834))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1688808, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(synthesize)
   Exit: (187) [system] atomic(synthesize)
^  Exit: (186) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (185) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1696332)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1698190)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _1705928)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1708632)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1723710)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1729280)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1731138)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1745292)
   Exit: (186) [system] get_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1729280)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1750862)
   Exit: (188) [system] peek_char((0x558d99e6bec0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1765016)
   Exit: (187) [system] peek_char((0x558d99e6bec0), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1770586)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1772444)
   Exit: (189) [system] peek_char((0x558d99e6bec0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1786598)
   Exit: (188) [system] get_char((0x558d99e6bec0), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), -, _1770586)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1804240)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1805174)
   Exit: (190) [system] peek_char((0x558d99e6bec0), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_1809894, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_1810826, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x558d99e6bec0), >)
   Exit: (190) [system] get_char((0x558d99e6bec0), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1818176)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1819110)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _1818176=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (190) [system] _1804240=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (189) [user] classify_and_convert_charseq(-, [>], _1770586)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1831214, _1831216), once(user:catch(read_from_chars([-, >], _1770586), _1831190, fail)), '$restore_trace'(_1831214, _1831216))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1831214, _1831216))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1831190, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1838714)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1840572)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1848310)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1851014)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1866092)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1871662)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1873520)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1887674)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1871662)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1905316)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1906250)
   Exit: (191) [system] peek_char((0x558d99e6bec0), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Fail: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_1910970, v('(', ')', end_of_file), a)
   Fail: (192) [system] arg(_1911902, v('(', ')', end_of_file), a)
^  Fail: (191) [user] is_delimiter(a)
   Call: (191) [system] ')'==a
   Fail: (191) [system] ')'==a
   Call: (191) [system] get_char((0x558d99e6bec0), a)
   Exit: (191) [system] get_char((0x558d99e6bec0), a)
   Call: (191) [system] a=(\)
   Fail: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1919252)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1920186)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1919252=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1905316=[a]
   Exit: (191) [system] [a]=[a]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a])
^  Call: (190) [user] classify_and_convert_charseq($, [a], _1871662)
   Call: (191) [system] atom_chars(_1932264, ['_', a])
   Exit: (191) [system] atom_chars('_a', ['_', a])
^  Exit: (190) [user] classify_and_convert_charseq($, [a], _a)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _a)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _a)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1936928)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1938786)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1946524)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1949228)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1964306)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _1969876)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1971734)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _1985888)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1969876)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1991458)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2005612)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=')'
   Fail: (191) [system] (-)=')'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _2011182)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2013040)
   Exit: (193) [system] peek_char((0x558d99e6bec0), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _2027194)
   Exit: (192) [system] get_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)='('
   Fail: (192) [system] (-)='('
   Call: (192) [system] (-)='['
   Fail: (192) [system] (-)='['
   Call: (192) [system] (-)='{'
   Fail: (192) [system] (-)='{'
   Call: (192) [system] (-)='"'
   Fail: (192) [system] (-)='"'
   Call: (192) [system] (-)=!
   Fail: (192) [system] (-)=!
   Call: (192) [system] (-)='\''
   Fail: (192) [system] (-)='\''
   Call: (192) [system] (-)='`'
   Fail: (192) [system] (-)='`'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), -, _2011182)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2044836)
   Call: (194) [system] peek_char((0x558d99e6bec0), _2045770)
   Exit: (194) [system] peek_char((0x558d99e6bec0), >)
^  Call: (194) [user] is_delimiter(>)
   Call: (195) [system] char_type(>, space)
   Fail: (195) [system] char_type(>, space)
   Call: (195) [system] arg(_2050490, v('(', ')', end_of_file), >)
   Fail: (195) [system] arg(_2051422, v('(', ')', end_of_file), >)
^  Fail: (194) [user] is_delimiter(>)
   Call: (194) [system] ')'==(>)
   Fail: (194) [system] ')'==(>)
   Call: (194) [system] get_char((0x558d99e6bec0), >)
   Exit: (194) [system] get_char((0x558d99e6bec0), >)
   Call: (194) [system] (>)=(\)
   Fail: (194) [system] (>)=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2058772)
   Call: (195) [system] peek_char((0x558d99e6bec0), _2059706)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _2058772=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _2044836=[>]
   Exit: (194) [system] [>]=[>]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (193) [user] classify_and_convert_charseq(-, [>], _2011182)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_2071810, _2071812), once(user:catch(read_from_chars([-, >], _2011182), _2071786, fail)), '$restore_trace'(_2071810, _2071812))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_2071810, _2071812))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _2071786, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _2079310)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2081168)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _2088906)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2091610)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _13306)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _18876)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _20734)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _34888)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _18876)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52530)
   Call: (195) [system] peek_char((0x558d99e6bec0), _53464)
   Exit: (195) [system] peek_char((0x558d99e6bec0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_58184, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_59116, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x558d99e6bec0), k)
   Exit: (195) [system] get_char((0x558d99e6bec0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66466)
   Call: (196) [system] peek_char((0x558d99e6bec0), _67400)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_72120, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_73052, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80402)
   Call: (197) [system] peek_char((0x558d99e6bec0), _81336)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_86056, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _80402=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _66466=[t]
   Exit: (196) [system] [t]=[t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (195) [system] _52530=[k, t]
   Exit: (195) [system] [k, t]=[k, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, t])
^  Call: (194) [user] classify_and_convert_charseq($, [k, t], _18876)
   Call: (195) [system] atom_chars(_98080, ['_', k, t])
   Exit: (195) [system] atom_chars('_kt', ['_', k, t])
^  Exit: (194) [user] classify_and_convert_charseq($, [k, t], _kt)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _kt)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _kt)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _102744)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _104602)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _118756)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _122546)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _102744=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _3398=[_kt]
   Exit: (192) [system] [_kt]=[_kt]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_kt])
   Call: (191) [system] _3390=[->, _kt]
   Exit: (191) [system] [->, _kt]=[->, _kt]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [->, _kt])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _kt])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _133634)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _135492)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _143230)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _145934)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _161012)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _166582)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _168440)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _182594)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _166582)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _188164)
   Exit: (193) [system] peek_char((0x558d99e6bec0), -)
   Call: (193) [system] (-)=(;)
   Fail: (193) [system] (-)=(;)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Fail: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Fail: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Fail: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
   Fail: (194) [system] char_type(-, cntrl)
^  Fail: (193) [user] is_like_space(-)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _202318)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=')'
   Fail: (192) [system] (-)=')'
   Call: (192) [system] (-)=end_of_file
   Fail: (192) [system] (-)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _207888)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _209746)
   Exit: (194) [system] peek_char((0x558d99e6bec0), -)
   Call: (194) [system] (-)=(;)
   Fail: (194) [system] (-)=(;)
^  Call: (194) [user] is_like_space(-)
   Call: (195) [system] char_type(-, 'white')
   Fail: (195) [system] char_type(-, 'white')
   Call: (195) [system] char_type(-, end_of_line)
   Fail: (195) [system] char_type(-, end_of_line)
   Call: (195) [system] char_type(-, space)
   Fail: (195) [system] char_type(-, space)
   Call: (195) [system] char_type(-, cntrl)
   Fail: (195) [system] char_type(-, cntrl)
^  Fail: (194) [user] is_like_space(-)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _223900)
   Exit: (193) [system] get_char((0x558d99e6bec0), -)
   Call: (193) [system] (-)='('
   Fail: (193) [system] (-)='('
   Call: (193) [system] (-)='['
   Fail: (193) [system] (-)='['
   Call: (193) [system] (-)='{'
   Fail: (193) [system] (-)='{'
   Call: (193) [system] (-)='"'
   Fail: (193) [system] (-)='"'
   Call: (193) [system] (-)=!
   Fail: (193) [system] (-)=!
   Call: (193) [system] (-)='\''
   Fail: (193) [system] (-)='\''
   Call: (193) [system] (-)='`'
   Fail: (193) [system] (-)='`'
   Call: (193) [system] (-)=end_of_file
   Fail: (193) [system] (-)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), -, _207888)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _241542)
   Call: (195) [system] peek_char((0x558d99e6bec0), _242476)
   Exit: (195) [system] peek_char((0x558d99e6bec0), >)
^  Call: (195) [user] is_delimiter(>)
   Call: (196) [system] char_type(>, space)
   Fail: (196) [system] char_type(>, space)
   Call: (196) [system] arg(_247196, v('(', ')', end_of_file), >)
   Fail: (196) [system] arg(_248128, v('(', ')', end_of_file), >)
^  Fail: (195) [user] is_delimiter(>)
   Call: (195) [system] ')'==(>)
   Fail: (195) [system] ')'==(>)
   Call: (195) [system] get_char((0x558d99e6bec0), >)
   Exit: (195) [system] get_char((0x558d99e6bec0), >)
   Call: (195) [system] (>)=(\)
   Fail: (195) [system] (>)=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _255478)
   Call: (196) [system] peek_char((0x558d99e6bec0), _256412)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _255478=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _241542=[>]
   Exit: (195) [system] [>]=[>]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (194) [user] classify_and_convert_charseq(-, [>], _207888)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_268516, _268518), once(user:catch(read_from_chars([-, >], _207888), _268492, fail)), '$restore_trace'(_268516, _268518))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_268516, _268518))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _268492, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(->)
   Exit: (195) [system] atomic(->)
^  Exit: (194) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _276016)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _277874)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _285612)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _288316)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _303394)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _308964)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _310822)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _324976)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _308964)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _342618)
   Call: (196) [system] peek_char((0x558d99e6bec0), _343552)
   Exit: (196) [system] peek_char((0x558d99e6bec0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_348272, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_349204, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x558d99e6bec0), r)
   Exit: (196) [system] get_char((0x558d99e6bec0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _356554)
   Call: (197) [system] peek_char((0x558d99e6bec0), _357488)
   Exit: (197) [system] peek_char((0x558d99e6bec0), t)
^  Call: (197) [user] is_delimiter(t)
   Call: (198) [system] char_type(t, space)
   Fail: (198) [system] char_type(t, space)
   Call: (198) [system] arg(_362208, v('(', ')', end_of_file), t)
   Fail: (198) [system] arg(_363140, v('(', ')', end_of_file), t)
^  Fail: (197) [user] is_delimiter(t)
   Call: (197) [system] ')'==t
   Fail: (197) [system] ')'==t
   Call: (197) [system] get_char((0x558d99e6bec0), t)
   Exit: (197) [system] get_char((0x558d99e6bec0), t)
   Call: (197) [system] t=(\)
   Fail: (197) [system] t=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _370490)
   Call: (198) [system] peek_char((0x558d99e6bec0), _371424)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_376144, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _370490=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _356554=[t]
   Exit: (197) [system] [t]=[t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (196) [system] _342618=[r, t]
   Exit: (196) [system] [r, t]=[r, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, t])
^  Call: (195) [user] classify_and_convert_charseq($, [r, t], _308964)
   Call: (196) [system] atom_chars(_388168, ['_', r, t])
   Exit: (196) [system] atom_chars('_rt', ['_', r, t])
^  Exit: (195) [user] classify_and_convert_charseq($, [r, t], _rt)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _rt)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _rt)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _392832)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _394690)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _408844)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _412634)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _392832=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _276016=[_rt]
   Exit: (193) [system] [_rt]=[_rt]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_rt])
   Call: (192) [system] _166582=[->, _rt]
   Exit: (192) [system] [->, _rt]=[->, _rt]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [->, _rt])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _rt])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _423722)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _425580)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _433318)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _436022)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _451100)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (191) [system] 'N'=')'
   Fail: (191) [system] 'N'=')'
   Call: (191) [system] 'N'=end_of_file
   Fail: (191) [system] 'N'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _456670)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _458528)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (193) [system] 'N'=(;)
   Fail: (193) [system] 'N'=(;)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Fail: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Fail: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Fail: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
   Fail: (194) [system] char_type('N', cntrl)
^  Fail: (193) [user] is_like_space('N')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _472682)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'N')
   Call: (192) [system] 'N'='('
   Fail: (192) [system] 'N'='('
   Call: (192) [system] 'N'='['
   Fail: (192) [system] 'N'='['
   Call: (192) [system] 'N'='{'
   Fail: (192) [system] 'N'='{'
   Call: (192) [system] 'N'='"'
   Fail: (192) [system] 'N'='"'
   Call: (192) [system] 'N'=!
   Fail: (192) [system] 'N'=!
   Call: (192) [system] 'N'='\''
   Fail: (192) [system] 'N'='\''
   Call: (192) [system] 'N'='`'
   Fail: (192) [system] 'N'='`'
   Call: (192) [system] 'N'=end_of_file
   Fail: (192) [system] 'N'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _456670)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _490324)
   Call: (194) [system] peek_char((0x558d99e6bec0), _491258)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
^  Call: (194) [user] is_delimiter(a)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] arg(_495978, v('(', ')', end_of_file), a)
   Fail: (195) [system] arg(_496910, v('(', ')', end_of_file), a)
^  Fail: (194) [user] is_delimiter(a)
   Call: (194) [system] ')'==a
   Fail: (194) [system] ')'==a
   Call: (194) [system] get_char((0x558d99e6bec0), a)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(\)
   Fail: (194) [system] a=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _504260)
   Call: (195) [system] peek_char((0x558d99e6bec0), _505194)
   Exit: (195) [system] peek_char((0x558d99e6bec0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_509914, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_510846, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x558d99e6bec0), t)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _518196)
   Call: (196) [system] peek_char((0x558d99e6bec0), _519130)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _518196=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _504260=[t]
   Exit: (195) [system] [t]=[t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (194) [system] _490324=[a, t]
   Exit: (194) [system] [a, t]=[a, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t])
^  Call: (193) [user] classify_and_convert_charseq('N', [a, t], _456670)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_534028, _534030), once(user:catch(read_from_chars(['N', a, t], _456670), _534004, fail)), '$restore_trace'(_534028, _534030))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_534028, _534030))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _456670), _534004, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_456670)
   Fail: (194) [system] atomic(_456670)
   Call: (194) [system] atom_chars(_456670, ['N', a, t])
   Exit: (194) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (193) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'Nat')
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), 'Nat')
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _543404)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _545262)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _553000)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _555704)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _570782)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _576352)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _578210)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _592364)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _576352)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _610006)
   Call: (195) [system] peek_char((0x558d99e6bec0), _610940)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
^  Call: (195) [user] is_delimiter(a)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] arg(_615660, v('(', ')', end_of_file), a)
   Fail: (196) [system] arg(_616592, v('(', ')', end_of_file), a)
^  Fail: (195) [user] is_delimiter(a)
   Call: (195) [system] ')'==a
   Fail: (195) [system] ')'==a
   Call: (195) [system] get_char((0x558d99e6bec0), a)
   Exit: (195) [system] get_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(\)
   Fail: (195) [system] a=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _623942)
   Call: (196) [system] peek_char((0x558d99e6bec0), _624876)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_629596, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _623942=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _610006=[a]
   Exit: (195) [system] [a]=[a]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a])
^  Call: (194) [user] classify_and_convert_charseq($, [a], _576352)
   Call: (195) [system] atom_chars(_638826, ['_', a])
   Exit: (195) [system] atom_chars('_a', ['_', a])
^  Exit: (194) [user] classify_and_convert_charseq($, [a], _a)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _a)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _a)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _643490)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _645348)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _659502)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _663292)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _643490=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _543404=[_a]
   Exit: (192) [system] [_a]=[_a]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_a])
   Call: (191) [system] _423722=['Nat', _a]
   Exit: (191) [system] ['Nat', _a]=['Nat', _a]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), ['Nat', _a])
   Call: (190) [system] _133634=[[->, _rt], 'Nat', _a]
   Exit: (190) [system] [[->, _rt], 'Nat', _a]=[[->, _rt], 'Nat', _a]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[->, _rt], 'Nat', _a])
   Call: (189) [system] _3386=[[->, _kt], [->, _rt], 'Nat', _a]
   Exit: (189) [system] [[->, _kt], [->, _rt], 'Nat', _a]=[[->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] _3376=[_a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (188) [system] [_a, [->, _kt], [->, _rt], 'Nat', _a]=[_a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (187) [system] _3368=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (187) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _685556)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _687414)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _701568)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _705358)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _685556=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _3364=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (185) [system] [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (184) [system] _3358=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (184) [system] [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (183) [system] _3318=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (183) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (181) [user] cont_sexpr(')', (0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [user] read_sexpr((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (178) [system] once(user:(read_position((0x558d99e6bec0), 18, 0, 367, '$stream_position'(367, 18, 0, 367)), read_sexpr((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_723876, _723878, _723880, _723882, _723884))
^  Exit: (178) [user] retract(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _726708))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _726708)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), _726708)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _729524))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _729524))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _729524)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";;", 37, 0), _732324))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";;", 37, 0), _732324)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), _732324)
   Call: (188) [system] var('$COMMENT'(";;", 37, 0))
   Call: (188) [system] atom('$COMMENT'(";;", 37, 0))
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==true
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==false
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==[_738844, _738850]
   Call: (188) [system] is_list('$COMMENT'(";;", 37, 0))
   Call: (188) [system] string('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Exit: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), _743478, _743480)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";;", 37, 0], _747220)
   Call: (189) [apply] apply:maplist_([";;", 37, 0], _747220, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";;", _749100)
   Call: (191) [system] var(";;")
   Call: (191) [system] atom(";;")
   Call: (191) [system] ";;"==true
   Call: (191) [system] ";;"==false
   Call: (191) [system] ";;"==[_753742, _753748]
   Call: (191) [system] is_list(";;")
   Call: (191) [system] string(";;")
   Exit: (191) [system] string(";;")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";;")
^  Call: (191) [user] symbol(";;")
   Call: (192) [system] atom(";;")
   Fail: (192) [system] atom(";;")
^  Fail: (191) [user] symbol(";;")
   Call: (191) [system] ";;"=_749100
   Exit: (191) [system] ";;"=";;"
^  Exit: (190) [user] mfix_vars1(";;", ";;")
   Call: (190) [apply] apply:maplist_([37, 0], _749102, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(37, _767622)
   Call: (192) [system] var(37)
   Call: (192) [system] atom(37)
   Call: (192) [system] 37==true
   Call: (192) [system] 37==false
   Call: (192) [system] 37==[_772264, _772270]
   Call: (192) [system] is_list(37)
   Call: (192) [system] string(37)
   Call: (192) [system] compound(37)
^  Call: (192) [user] symbol(37)
   Call: (193) [system] atom(37)
   Fail: (193) [system] atom(37)
^  Fail: (192) [user] symbol(37)
   Call: (192) [system] 37=_767622
   Exit: (192) [system] 37=37
^  Exit: (191) [user] mfix_vars1(37, 37)
   Call: (191) [apply] apply:maplist_([0], _767624, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _783388)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_788030, _788036]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_783388
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _783390, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([37, 0], [37, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";;", 37, 0], [";;", 37, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";;", 37, 0], [";;", 37, 0])
   Call: (188) [system] compound_name_arguments(_732324, '$COMMENT', [";;", 37, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 37, 0), _812206))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), _812206))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), _812206)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";;", 37, 0), _815006))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";;", 37, 0), _815006)
^  Call: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), _815006)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 37, 0), _726708))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), _726708))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), _726708)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";;", 37, 0), _828964))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";;", 37, 0), _828964)
^  Call: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), _828964)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (179) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;", 37, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;", 37, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;", 37, 0)))
   Call: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 37, 0), ynthesize_long_1726258747_317601, 16)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258749.5083253)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258749.5083253-1726258747.3137925
   Exit: (173) [system] 2.194532871246338 is 1726258749.5083253-1726258747.3137925
   Call: (173) [system] 2.194532871246338>4
   Fail: (173) [system] 2.194532871246338>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 3)
   Call: (175) [system] atom(3+1)
   Call: (175) [system] set_flag(translated_forms, 4)
   Exit: (175) [system] set_flag(translated_forms, 4)
   Exit: (174) [$syspreds] update_flag(translated_forms, 3, 3+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 3, 3+1))
   Exit: (171) [$syspreds] flag(translated_forms, 3, 3+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 37, 0), ynthesize_long_1726258747_317601, 16)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 37, 0), ynthesize_long_1726258747_317601, 16)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 3, 3+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 37, 0), ynthesize_long_1726258747_317601, 16)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 49)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 49))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 49))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _904676)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _912098)
   Exit: (175) [system] peek_char((0x558d99e6bec0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _920436)
   Exit: (177) [system] peek_char((0x558d99e6bec0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _923222=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _925090, _925092, _925094, _925096), read_sexpr((0x558d99e6bec0), _925108), assertz(metta_file_comment(_925090, _925092, _925094, _925108, _925096))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _925090, _925092, _925094, _925096)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_925096))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_925096))
   Exit: (181) [system] nonvar(position(_925096))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _925090)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _935348)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _925090)
   Exit: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _925092)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _942782)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _925092)
   Exit: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _925094)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _950216)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _925094)
   Exit: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _925108)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _925108)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _960442)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _965080, _965082, _965084, _965086)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_965086))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_965086))
   Exit: (185) [system] nonvar(position(_965086))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _965080)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _974374)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _965080)
   Exit: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _965082)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _981808)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _965082)
   Exit: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _965084)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _989242)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _965084)
   Exit: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _994836)
   Call: (184) [system] get_char((0x558d99e6bec0), _995766)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1001336)
   Call: (185) [system] get_char((0x558d99e6bec0), _1002266)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1007836)
   Call: (186) [system] get_char((0x558d99e6bec0), _1008766)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Fail: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
   Fail: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1014336)
   Call: (187) [system] get_char((0x558d99e6bec0), _1015266)
   Exit: (187) [system] get_char((0x558d99e6bec0), 'N')
   Call: (187) [system] char_type('N', end_of_line)
   Fail: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] 'N'=end_of_file
   Fail: (187) [system] 'N'=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1020836)
   Call: (188) [system] get_char((0x558d99e6bec0), _1021766)
   Exit: (188) [system] get_char((0x558d99e6bec0), u)
   Call: (188) [system] char_type(u, end_of_line)
   Fail: (188) [system] char_type(u, end_of_line)
   Call: (188) [system] u=end_of_file
   Fail: (188) [system] u=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1027336)
   Call: (189) [system] get_char((0x558d99e6bec0), _1028266)
   Exit: (189) [system] get_char((0x558d99e6bec0), l)
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] l=end_of_file
   Fail: (189) [system] l=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1033836)
   Call: (190) [system] get_char((0x558d99e6bec0), _1034766)
   Exit: (190) [system] get_char((0x558d99e6bec0), l)
   Call: (190) [system] char_type(l, end_of_line)
   Fail: (190) [system] char_type(l, end_of_line)
   Call: (190) [system] l=end_of_file
   Fail: (190) [system] l=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1040336)
   Call: (191) [system] get_char((0x558d99e6bec0), _1041266)
   Exit: (191) [system] get_char((0x558d99e6bec0), a)
   Call: (191) [system] char_type(a, end_of_line)
   Fail: (191) [system] char_type(a, end_of_line)
   Call: (191) [system] a=end_of_file
   Fail: (191) [system] a=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1046836)
   Call: (192) [system] get_char((0x558d99e6bec0), _1047766)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] char_type(r, end_of_line)
   Fail: (192) [system] char_type(r, end_of_line)
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1053336)
   Call: (193) [system] get_char((0x558d99e6bec0), _1054266)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] char_type(y, end_of_line)
   Fail: (193) [system] char_type(y, end_of_line)
   Call: (193) [system] y=end_of_file
   Fail: (193) [system] y=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1059836)
   Call: (194) [system] get_char((0x558d99e6bec0), _1060766)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Fail: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
   Fail: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1066336)
   Call: (195) [system] get_char((0x558d99e6bec0), _1067266)
   Exit: (195) [system] get_char((0x558d99e6bec0), r)
   Call: (195) [system] char_type(r, end_of_line)
   Fail: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
   Fail: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1072836)
   Call: (196) [system] get_char((0x558d99e6bec0), _1073766)
   Exit: (196) [system] get_char((0x558d99e6bec0), u)
   Call: (196) [system] char_type(u, end_of_line)
   Fail: (196) [system] char_type(u, end_of_line)
   Call: (196) [system] u=end_of_file
   Fail: (196) [system] u=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1079336)
   Call: (197) [system] get_char((0x558d99e6bec0), _1080266)
   Exit: (197) [system] get_char((0x558d99e6bec0), l)
   Call: (197) [system] char_type(l, end_of_line)
   Fail: (197) [system] char_type(l, end_of_line)
   Call: (197) [system] l=end_of_file
   Fail: (197) [system] l=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1085836)
   Call: (198) [system] get_char((0x558d99e6bec0), _1086766)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] char_type(e, end_of_line)
   Fail: (198) [system] char_type(e, end_of_line)
   Call: (198) [system] e=end_of_file
   Fail: (198) [system] e=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1092336)
   Call: (199) [system] get_char((0x558d99e6bec0), _1093266)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1098836)
   Call: (200) [system] get_char((0x558d99e6bec0), _1099766)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1105336)
   Call: (201) [system] get_char((0x558d99e6bec0), _1106266)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] char_type(a, end_of_line)
   Fail: (201) [system] char_type(a, end_of_line)
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1111836)
   Call: (202) [system] get_char((0x558d99e6bec0), _1112766)
   Exit: (202) [system] get_char((0x558d99e6bec0), x)
   Call: (202) [system] char_type(x, end_of_line)
   Fail: (202) [system] char_type(x, end_of_line)
   Call: (202) [system] x=end_of_file
   Fail: (202) [system] x=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _1118336)
   Call: (203) [system] get_char((0x558d99e6bec0), _1119266)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] char_type(i, end_of_line)
   Fail: (203) [system] char_type(i, end_of_line)
   Call: (203) [system] i=end_of_file
   Fail: (203) [system] i=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _1124836)
   Call: (204) [system] get_char((0x558d99e6bec0), _1125766)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] char_type(o, end_of_line)
   Fail: (204) [system] char_type(o, end_of_line)
   Call: (204) [system] o=end_of_file
   Fail: (204) [system] o=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _1131336)
   Call: (205) [system] get_char((0x558d99e6bec0), _1132266)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] char_type(m, end_of_line)
   Fail: (205) [system] char_type(m, end_of_line)
   Call: (205) [system] m=end_of_file
   Fail: (205) [system] m=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _1137836)
   Call: (206) [system] get_char((0x558d99e6bec0), _1138766)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] ')'=end_of_file
   Fail: (206) [system] ')'=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _1144336)
   Call: (207) [system] get_char((0x558d99e6bec0), _1145266)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\n')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
   Call: (207) [system] _1144336=""
   Exit: (207) [system] ""=""
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (206) [system] string_concat(')', "", _1137836)
   Exit: (206) [system] string_concat(')', "", ")")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), ")")
   Call: (205) [system] string_concat(m, ")", _1131336)
   Exit: (205) [system] string_concat(m, ")", "m)")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "m)")
   Call: (204) [system] string_concat(o, "m)", _1124836)
   Exit: (204) [system] string_concat(o, "m)", "om)")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "om)")
   Call: (203) [system] string_concat(i, "om)", _1118336)
   Exit: (203) [system] string_concat(i, "om)", "iom)")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "iom)")
   Call: (202) [system] string_concat(x, "iom)", _1111836)
   Exit: (202) [system] string_concat(x, "iom)", "xiom)")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "xiom)")
   Call: (201) [system] string_concat(a, "xiom)", _1105336)
   Exit: (201) [system] string_concat(a, "xiom)", "axiom)")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "axiom)")
   Call: (200) [system] string_concat('(', "axiom)", _1098836)
   Exit: (200) [system] string_concat('(', "axiom)", "(axiom)")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "(axiom)")
   Call: (199) [system] string_concat(' ', "(axiom)", _1092336)
   Exit: (199) [system] string_concat(' ', "(axiom)", " (axiom)")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), " (axiom)")
   Call: (198) [system] string_concat(e, " (axiom)", _1085836)
   Exit: (198) [system] string_concat(e, " (axiom)", "e (axiom)")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "e (axiom)")
   Call: (197) [system] string_concat(l, "e (axiom)", _1079336)
   Exit: (197) [system] string_concat(l, "e (axiom)", "le (axiom)")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "le (axiom)")
   Call: (196) [system] string_concat(u, "le (axiom)", _1072836)
   Exit: (196) [system] string_concat(u, "le (axiom)", "ule (axiom)")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "ule (axiom)")
   Call: (195) [system] string_concat(r, "ule (axiom)", _1066336)
   Exit: (195) [system] string_concat(r, "ule (axiom)", "rule (axiom)")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "rule (axiom)")
   Call: (194) [system] string_concat(' ', "rule (axiom)", _1059836)
   Exit: (194) [system] string_concat(' ', "rule (axiom)", " rule (axiom)")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), " rule (axiom)")
   Call: (193) [system] string_concat(y, " rule (axiom)", _1053336)
   Exit: (193) [system] string_concat(y, " rule (axiom)", "y rule (axiom)")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "y rule (axiom)")
   Call: (192) [system] string_concat(r, "y rule (axiom)", _1046836)
   Exit: (192) [system] string_concat(r, "y rule (axiom)", "ry rule (axiom)")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "ry rule (axiom)")
   Call: (191) [system] string_concat(a, "ry rule (axiom)", _1040336)
   Exit: (191) [system] string_concat(a, "ry rule (axiom)", "ary rule (axiom)")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "ary rule (axiom)")
   Call: (190) [system] string_concat(l, "ary rule (axiom)", _1033836)
   Exit: (190) [system] string_concat(l, "ary rule (axiom)", "lary rule (axiom)")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "lary rule (axiom)")
   Call: (189) [system] string_concat(l, "lary rule (axiom)", _1027336)
   Exit: (189) [system] string_concat(l, "lary rule (axiom)", "llary rule (axiom)")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "llary rule (axiom)")
   Call: (188) [system] string_concat(u, "llary rule (axiom)", _1020836)
   Exit: (188) [system] string_concat(u, "llary rule (axiom)", "ullary rule (axiom)")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "ullary rule (axiom)")
   Call: (187) [system] string_concat('N', "ullary rule (axiom)", _1014336)
   Exit: (187) [system] string_concat('N', "ullary rule (axiom)", "Nullary rule (axiom)")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "Nullary rule (axiom)")
   Call: (186) [system] string_concat(' ', "Nullary rule (axiom)", _1007836)
   Exit: (186) [system] string_concat(' ', "Nullary rule (axiom)", " Nullary rule (axiom)")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), " Nullary rule (axiom)")
   Call: (185) [system] string_concat(;, " Nullary rule (axiom)", _1001336)
   Exit: (185) [system] string_concat(;, " Nullary rule (axiom)", "; Nullary rule (axiom)")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "; Nullary rule (axiom)")
   Call: (184) [system] string_concat(;, "; Nullary rule (axiom)", _994836)
   Exit: (184) [system] string_concat(;, "; Nullary rule (axiom)", ";; Nullary rule (axiom)")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";; Nullary rule (axiom)")
^  Call: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1219906)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1234984)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _925108)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1240554)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1254708)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1260278)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1262136)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1276290)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1260278)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1293932)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1294866)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1293932=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1260278)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1304176, _1304178), once(user:catch(read_from_chars([=], _1260278), _1304152, fail)), '$restore_trace'(_1304176, _1304178))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1304176, _1304178))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1304152, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1311676)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1313534)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1321272)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1323976)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1339054)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1344624)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1346482)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1360636)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1344624)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1366206)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1380360)
   Exit: (185) [system] peek_char((0x558d99e6bec0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1385930)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1387788)
   Exit: (187) [system] peek_char((0x558d99e6bec0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1401942)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, _1385930)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419584)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1420518)
   Exit: (188) [system] peek_char((0x558d99e6bec0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1425238, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1426170, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x558d99e6bec0), y)
   Exit: (188) [system] get_char((0x558d99e6bec0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1433520)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1434454)
   Exit: (189) [system] peek_char((0x558d99e6bec0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1439174, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1440106, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x558d99e6bec0), n)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1447456)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1448390)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1453110, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1454042, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1461392)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1462326)
   Exit: (191) [system] peek_char((0x558d99e6bec0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1467046, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1467978, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x558d99e6bec0), h)
   Exit: (191) [system] get_char((0x558d99e6bec0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1475328)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1476262)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1480982, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1481914, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1489264)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1490198)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1494918, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1495850, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1503200)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1504134)
   Exit: (194) [system] peek_char((0x558d99e6bec0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1508854, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1509786, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x558d99e6bec0), i)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1517136)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1518070)
   Exit: (195) [system] peek_char((0x558d99e6bec0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1522790, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1523722, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x558d99e6bec0), z)
   Exit: (195) [system] get_char((0x558d99e6bec0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1531072)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1532006)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1536726, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1537658, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1545008)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1545942)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1545008=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1531072=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (195) [system] _1517136=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (194) [system] _1503200=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (193) [system] _1489264=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (192) [system] _1475328=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (191) [system] _1461392=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (190) [system] _1447456=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1433520=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1419584=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1385930)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1580398, _1580400), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1385930), _1580374, fail)), '$restore_trace'(_1580398, _1580400))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1580398, _1580400))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1580374, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1587898)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1589756)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1597494)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1600198)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1615276)
   Exit: (186) [system] peek_char((0x558d99e6bec0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1620846)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1622704)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1636858)
   Exit: (187) [system] get_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _1620846)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1654500)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1655434)
   Exit: (189) [system] peek_char((0x558d99e6bec0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1660154, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1661086, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x558d99e6bec0), q)
   Exit: (189) [system] get_char((0x558d99e6bec0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1668436)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1669370)
   Exit: (190) [system] peek_char((0x558d99e6bec0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1674090, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1675022, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x558d99e6bec0), u)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1682372)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1683306)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1688026, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1688958, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1696308)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1697242)
   Exit: (192) [system] peek_char((0x558d99e6bec0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1701962, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1702894, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x558d99e6bec0), r)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1710244)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1711178)
   Exit: (193) [system] peek_char((0x558d99e6bec0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1715898, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1716830, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x558d99e6bec0), y)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724180)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1725114)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1724180=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1710244=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (192) [system] _1696308=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (191) [system] _1682372=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (190) [system] _1668436=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (189) [system] _1654500=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1620846)
   Call: (189) [system] atom_chars(_1748368, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1753032)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1754890)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1762628)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1765332)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1780410)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1785980)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1787838)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1801992)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _1785980)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1819634)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1820568)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1825288, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1826220, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x558d99e6bec0), k)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1833570)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1834504)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1839224, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1840156, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1847506)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1848440)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1847506=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1833570=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (190) [system] _1819634=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1785980)
   Call: (190) [system] atom_chars(_1863312, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1867976)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1869834)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1877572)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1880276)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1895354)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1900924)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1902782)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1916936)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1900924)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1934578)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1935512)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1940232, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1941164, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1948514)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1949448)
   Exit: (192) [system] peek_char((0x558d99e6bec0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1954168, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1955100, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x558d99e6bec0), b)
   Exit: (192) [system] get_char((0x558d99e6bec0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1962450)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1963384)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1962450=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1948514=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (191) [system] _1934578=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1900924)
   Call: (191) [system] atom_chars(_1978256, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1982920)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1984778)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1992516)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1995220)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2010298)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _2015868)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2017726)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _2031880)
   Exit: (190) [system] get_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x558d99e6bec0), $, _2015868)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2049522)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2050456)
   Exit: (192) [system] peek_char((0x558d99e6bec0), d)
^  Call: (192) [user] is_delimiter(d)
   Call: (193) [system] char_type(d, space)
   Fail: (193) [system] char_type(d, space)
   Call: (193) [system] arg(_2055176, v('(', ')', end_of_file), d)
   Fail: (193) [system] arg(_2056108, v('(', ')', end_of_file), d)
^  Fail: (192) [user] is_delimiter(d)
   Call: (192) [system] ')'==d
   Fail: (192) [system] ')'==d
   Call: (192) [system] get_char((0x558d99e6bec0), d)
   Exit: (192) [system] get_char((0x558d99e6bec0), d)
   Call: (192) [system] d=(\)
   Fail: (192) [system] d=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063458)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2064392)
   Exit: (193) [system] peek_char((0x558d99e6bec0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_2069112, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_2070044, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x558d99e6bec0), e)
   Exit: (193) [system] get_char((0x558d99e6bec0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077394)
   Call: (194) [system] peek_char((0x558d99e6bec0), _2078328)
   Exit: (194) [system] peek_char((0x558d99e6bec0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_2083048, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_2083980, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x558d99e6bec0), p)
   Exit: (194) [system] get_char((0x558d99e6bec0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091330)
   Call: (195) [system] peek_char((0x558d99e6bec0), _2092264)
   Exit: (195) [system] peek_char((0x558d99e6bec0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_3494, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_4384, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x558d99e6bec0), t)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _11734)
   Call: (196) [system] peek_char((0x558d99e6bec0), _12668)
   Exit: (196) [system] peek_char((0x558d99e6bec0), h)
^  Call: (196) [user] is_delimiter(h)
   Call: (197) [system] char_type(h, space)
   Fail: (197) [system] char_type(h, space)
   Call: (197) [system] arg(_17388, v('(', ')', end_of_file), h)
   Fail: (197) [system] arg(_18320, v('(', ')', end_of_file), h)
^  Fail: (196) [user] is_delimiter(h)
   Call: (196) [system] ')'==h
   Fail: (196) [system] ')'==h
   Call: (196) [system] get_char((0x558d99e6bec0), h)
   Exit: (196) [system] get_char((0x558d99e6bec0), h)
   Call: (196) [system] h=(\)
   Fail: (196) [system] h=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _25670)
   Call: (197) [system] peek_char((0x558d99e6bec0), _26604)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_31324, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _25670=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _11734=[h]
   Exit: (196) [system] [h]=[h]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h])
   Call: (195) [system] _3418=[t, h]
   Exit: (195) [system] [t, h]=[t, h]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h])
   Call: (194) [system] _3414=[p, t, h]
   Exit: (194) [system] [p, t, h]=[p, t, h]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, t, h])
   Call: (193) [system] _3410=[e, p, t, h]
   Exit: (193) [system] [e, p, t, h]=[e, p, t, h]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, p, t, h])
   Call: (192) [system] _3406=[d, e, p, t, h]
   Exit: (192) [system] [d, e, p, t, h]=[d, e, p, t, h]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e, p, t, h])
^  Call: (191) [user] classify_and_convert_charseq($, [d, e, p, t, h], _3402)
   Call: (192) [system] atom_chars(_51730, ['_', d, e, p, t, h])
   Exit: (192) [system] atom_chars('_depth', ['_', d, e, p, t, h])
^  Exit: (191) [user] classify_and_convert_charseq($, [d, e, p, t, h], _depth)
^  Exit: (190) [user] read_symbolic(')', (0x558d99e6bec0), $, _depth)
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _depth)
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _56394)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _58252)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _72406)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _76196)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _56394=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _3398=[_depth]
   Exit: (189) [system] [_depth]=[_depth]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [_depth])
   Call: (188) [system] _3388=[_rb, _depth]
   Exit: (188) [system] [_rb, _depth]=[_rb, _depth]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_rb, _depth])
   Call: (187) [system] _3378=[_kb, _rb, _depth]
   Exit: (187) [system] [_kb, _rb, _depth]=[_kb, _rb, _depth]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _depth])
   Call: (186) [system] _3368=[_query, _kb, _rb, _depth]
   Exit: (186) [system] [_query, _kb, _rb, _depth]=[_query, _kb, _rb, _depth]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [_query, _kb, _rb, _depth])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, _depth]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, _depth]=[synthesize, _query, _kb, _rb, _depth]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, _depth])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, _depth])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _95666)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _97524)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x558d99e6bec0), _107118)
   Exit: (185) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _109822)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _117560)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _120264)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _128002)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _130706)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _138444)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _141148)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _158998)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _164568)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _166426)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _180580)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _164568)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _186150)
   Exit: (187) [system] peek_char((0x558d99e6bec0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _200304)
   Exit: (186) [system] peek_char((0x558d99e6bec0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _205874)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _207732)
   Exit: (188) [system] peek_char((0x558d99e6bec0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _221886)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, _205874)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _239528)
   Call: (189) [system] peek_char((0x558d99e6bec0), _240462)
   Exit: (189) [system] peek_char((0x558d99e6bec0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_245182, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_246114, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x558d99e6bec0), e)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _253464)
   Call: (190) [system] peek_char((0x558d99e6bec0), _254398)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_259118, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_260050, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _267400)
   Call: (191) [system] peek_char((0x558d99e6bec0), _268334)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _267400=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (190) [system] _253464=[t]
   Exit: (190) [system] [t]=[t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (189) [system] _239528=[e, t]
   Exit: (189) [system] [e, t]=[e, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, t])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t], _205874)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_283232, _283234), once(user:catch(read_from_chars([l, e, t], _205874), _283208, fail)), '$restore_trace'(_283232, _283234))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_283232, _283234))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([l, e, t], let), _283208, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(let)
   Exit: (189) [system] atomic(let)
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t], let)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, let)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), let)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _290732)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _292590)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _300328)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _303032)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _318110)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _323680)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _325538)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _339692)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _323680)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _357334)
   Call: (190) [system] peek_char((0x558d99e6bec0), _358268)
   Exit: (190) [system] peek_char((0x558d99e6bec0), q)
^  Call: (190) [user] is_delimiter(q)
   Call: (191) [system] char_type(q, space)
   Fail: (191) [system] char_type(q, space)
   Call: (191) [system] arg(_362988, v('(', ')', end_of_file), q)
   Fail: (191) [system] arg(_363920, v('(', ')', end_of_file), q)
^  Fail: (190) [user] is_delimiter(q)
   Call: (190) [system] ')'==q
   Fail: (190) [system] ')'==q
   Call: (190) [system] get_char((0x558d99e6bec0), q)
   Exit: (190) [system] get_char((0x558d99e6bec0), q)
   Call: (190) [system] q=(\)
   Fail: (190) [system] q=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _371270)
   Call: (191) [system] peek_char((0x558d99e6bec0), _372204)
   Exit: (191) [system] peek_char((0x558d99e6bec0), u)
^  Call: (191) [user] is_delimiter(u)
   Call: (192) [system] char_type(u, space)
   Fail: (192) [system] char_type(u, space)
   Call: (192) [system] arg(_376924, v('(', ')', end_of_file), u)
   Fail: (192) [system] arg(_377856, v('(', ')', end_of_file), u)
^  Fail: (191) [user] is_delimiter(u)
   Call: (191) [system] ')'==u
   Fail: (191) [system] ')'==u
   Call: (191) [system] get_char((0x558d99e6bec0), u)
   Exit: (191) [system] get_char((0x558d99e6bec0), u)
   Call: (191) [system] u=(\)
   Fail: (191) [system] u=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _385206)
   Call: (192) [system] peek_char((0x558d99e6bec0), _386140)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_390860, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_391792, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _399142)
   Call: (193) [system] peek_char((0x558d99e6bec0), _400076)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
^  Call: (193) [user] is_delimiter(r)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] arg(_404796, v('(', ')', end_of_file), r)
   Fail: (194) [system] arg(_405728, v('(', ')', end_of_file), r)
^  Fail: (193) [user] is_delimiter(r)
   Call: (193) [system] ')'==r
   Fail: (193) [system] ')'==r
   Call: (193) [system] get_char((0x558d99e6bec0), r)
   Exit: (193) [system] get_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(\)
   Fail: (193) [system] r=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _413078)
   Call: (194) [system] peek_char((0x558d99e6bec0), _414012)
   Exit: (194) [system] peek_char((0x558d99e6bec0), y)
^  Call: (194) [user] is_delimiter(y)
   Call: (195) [system] char_type(y, space)
   Fail: (195) [system] char_type(y, space)
   Call: (195) [system] arg(_418732, v('(', ')', end_of_file), y)
   Fail: (195) [system] arg(_419664, v('(', ')', end_of_file), y)
^  Fail: (194) [user] is_delimiter(y)
   Call: (194) [system] ')'==y
   Fail: (194) [system] ')'==y
   Call: (194) [system] get_char((0x558d99e6bec0), y)
   Exit: (194) [system] get_char((0x558d99e6bec0), y)
   Call: (194) [system] y=(\)
   Fail: (194) [system] y=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _427014)
   Call: (195) [system] peek_char((0x558d99e6bec0), _427948)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _427014=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _413078=[y]
   Exit: (194) [system] [y]=[y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (193) [system] _399142=[r, y]
   Exit: (193) [system] [r, y]=[r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (192) [system] _385206=[e, r, y]
   Exit: (192) [system] [e, r, y]=[e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (191) [system] _371270=[u, e, r, y]
   Exit: (191) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (190) [system] _357334=[q, u, e, r, y]
   Exit: (190) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (189) [user] classify_and_convert_charseq($, [q, u, e, r, y], _323680)
   Call: (190) [system] atom_chars(_451202, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _455866)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _457724)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _465462)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _468166)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _483244)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _488814)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _490672)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _504826)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _488814)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _510396)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _524550)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=')'
   Fail: (190) [system] ($)=')'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _530120)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _531978)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=(;)
   Fail: (192) [system] ($)=(;)
^  Call: (192) [user] is_like_space($)
   Call: (193) [system] char_type($, 'white')
   Fail: (193) [system] char_type($, 'white')
   Call: (193) [system] char_type($, end_of_line)
   Fail: (193) [system] char_type($, end_of_line)
   Call: (193) [system] char_type($, space)
   Fail: (193) [system] char_type($, space)
   Call: (193) [system] char_type($, cntrl)
   Fail: (193) [system] char_type($, cntrl)
^  Fail: (192) [user] is_like_space($)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _546132)
   Exit: (191) [system] get_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)='('
   Fail: (191) [system] ($)='('
   Call: (191) [system] ($)='['
   Fail: (191) [system] ($)='['
   Call: (191) [system] ($)='{'
   Fail: (191) [system] ($)='{'
   Call: (191) [system] ($)='"'
   Fail: (191) [system] ($)='"'
   Call: (191) [system] ($)=!
   Fail: (191) [system] ($)=!
   Call: (191) [system] ($)='\''
   Fail: (191) [system] ($)='\''
   Call: (191) [system] ($)='`'
   Fail: (191) [system] ($)='`'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), $, _530120)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _563774)
   Call: (193) [system] peek_char((0x558d99e6bec0), _564708)
   Exit: (193) [system] peek_char((0x558d99e6bec0), k)
^  Call: (193) [user] is_delimiter(k)
   Call: (194) [system] char_type(k, space)
   Fail: (194) [system] char_type(k, space)
   Call: (194) [system] arg(_569428, v('(', ')', end_of_file), k)
   Fail: (194) [system] arg(_570360, v('(', ')', end_of_file), k)
^  Fail: (193) [user] is_delimiter(k)
   Call: (193) [system] ')'==k
   Fail: (193) [system] ')'==k
   Call: (193) [system] get_char((0x558d99e6bec0), k)
   Exit: (193) [system] get_char((0x558d99e6bec0), k)
   Call: (193) [system] k=(\)
   Fail: (193) [system] k=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _577710)
   Call: (194) [system] peek_char((0x558d99e6bec0), _578644)
   Exit: (194) [system] peek_char((0x558d99e6bec0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_583364, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_584296, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x558d99e6bec0), b)
   Exit: (194) [system] get_char((0x558d99e6bec0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _591646)
   Call: (195) [system] peek_char((0x558d99e6bec0), _592580)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_597300, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _591646=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _577710=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (193) [system] _563774=[k, b]
   Exit: (193) [system] [k, b]=[k, b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (192) [user] classify_and_convert_charseq($, [k, b], _530120)
   Call: (193) [system] atom_chars(_609324, ['_', k, b])
   Exit: (193) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (192) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _613988)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _615846)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ')')
   Call: (192) [system] ')'=(;)
   Fail: (192) [system] ')'=(;)
^  Call: (192) [user] is_like_space(')')
   Call: (193) [system] char_type(')', 'white')
   Fail: (193) [system] char_type(')', 'white')
   Call: (193) [system] char_type(')', end_of_line)
   Fail: (193) [system] char_type(')', end_of_line)
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] char_type(')', cntrl)
   Fail: (193) [system] char_type(')', cntrl)
^  Fail: (192) [user] is_like_space(')')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _630000)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=')'
   Exit: (191) [system] ')'=')'
   Call: (191) [system] get_char((0x558d99e6bec0), _633790)
   Exit: (191) [system] get_char((0x558d99e6bec0), ')')
   Call: (191) [system] _613988=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (190) [system] _488814=[_kb]
   Exit: (190) [system] [_kb]=[_kb]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [_kb])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [_kb])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _642084)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _643942)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _651680)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _654384)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _669462)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=')'
   Fail: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _675032)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _676890)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=(;)
   Fail: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Fail: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Fail: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Fail: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
   Fail: (192) [system] char_type($, cntrl)
^  Fail: (191) [user] is_like_space($)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _691044)
   Exit: (190) [system] get_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)='('
   Fail: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Fail: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Fail: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Fail: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Fail: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Fail: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Fail: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
   Fail: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x558d99e6bec0), $, _675032)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _708686)
   Call: (192) [system] peek_char((0x558d99e6bec0), _709620)
   Exit: (192) [system] peek_char((0x558d99e6bec0), q)
^  Call: (192) [user] is_delimiter(q)
   Call: (193) [system] char_type(q, space)
   Fail: (193) [system] char_type(q, space)
   Call: (193) [system] arg(_714340, v('(', ')', end_of_file), q)
   Fail: (193) [system] arg(_715272, v('(', ')', end_of_file), q)
^  Fail: (192) [user] is_delimiter(q)
   Call: (192) [system] ')'==q
   Fail: (192) [system] ')'==q
   Call: (192) [system] get_char((0x558d99e6bec0), q)
   Exit: (192) [system] get_char((0x558d99e6bec0), q)
   Call: (192) [system] q=(\)
   Fail: (192) [system] q=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _722622)
   Call: (193) [system] peek_char((0x558d99e6bec0), _723556)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_728276, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_729208, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _736558)
   Call: (194) [system] peek_char((0x558d99e6bec0), _737492)
   Exit: (194) [system] peek_char((0x558d99e6bec0), e)
^  Call: (194) [user] is_delimiter(e)
   Call: (195) [system] char_type(e, space)
   Fail: (195) [system] char_type(e, space)
   Call: (195) [system] arg(_742212, v('(', ')', end_of_file), e)
   Fail: (195) [system] arg(_743144, v('(', ')', end_of_file), e)
^  Fail: (194) [user] is_delimiter(e)
   Call: (194) [system] ')'==e
   Fail: (194) [system] ')'==e
   Call: (194) [system] get_char((0x558d99e6bec0), e)
   Exit: (194) [system] get_char((0x558d99e6bec0), e)
   Call: (194) [system] e=(\)
   Fail: (194) [system] e=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _750494)
   Call: (195) [system] peek_char((0x558d99e6bec0), _751428)
   Exit: (195) [system] peek_char((0x558d99e6bec0), r)
^  Call: (195) [user] is_delimiter(r)
   Call: (196) [system] char_type(r, space)
   Fail: (196) [system] char_type(r, space)
   Call: (196) [system] arg(_756148, v('(', ')', end_of_file), r)
   Fail: (196) [system] arg(_757080, v('(', ')', end_of_file), r)
^  Fail: (195) [user] is_delimiter(r)
   Call: (195) [system] ')'==r
   Fail: (195) [system] ')'==r
   Call: (195) [system] get_char((0x558d99e6bec0), r)
   Exit: (195) [system] get_char((0x558d99e6bec0), r)
   Call: (195) [system] r=(\)
   Fail: (195) [system] r=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _764430)
   Call: (196) [system] peek_char((0x558d99e6bec0), _765364)
   Exit: (196) [system] peek_char((0x558d99e6bec0), y)
^  Call: (196) [user] is_delimiter(y)
   Call: (197) [system] char_type(y, space)
   Fail: (197) [system] char_type(y, space)
   Call: (197) [system] arg(_770084, v('(', ')', end_of_file), y)
   Fail: (197) [system] arg(_771016, v('(', ')', end_of_file), y)
^  Fail: (196) [user] is_delimiter(y)
   Call: (196) [system] ')'==y
   Fail: (196) [system] ')'==y
   Call: (196) [system] get_char((0x558d99e6bec0), y)
   Exit: (196) [system] get_char((0x558d99e6bec0), y)
   Call: (196) [system] y=(\)
   Fail: (196) [system] y=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _778366)
   Call: (197) [system] peek_char((0x558d99e6bec0), _779300)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_784020, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _778366=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _764430=[y]
   Exit: (196) [system] [y]=[y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (195) [system] _750494=[r, y]
   Exit: (195) [system] [r, y]=[r, y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (194) [system] _736558=[e, r, y]
   Exit: (194) [system] [e, r, y]=[e, r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (193) [system] _722622=[u, e, r, y]
   Exit: (193) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (192) [system] _708686=[q, u, e, r, y]
   Exit: (192) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (191) [user] classify_and_convert_charseq($, [q, u, e, r, y], _675032)
   Call: (192) [system] atom_chars(_804426, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (190) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _809090)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _810948)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _825102)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _828892)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _809090=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _642084=[_query]
   Exit: (189) [system] [_query]=[_query]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (188) [system] _455866=[[_kb], _query]
   Exit: (188) [system] [[_kb], _query]=[[_kb], _query]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[_kb], _query])
   Call: (187) [system] _290732=[_query, [_kb], _query]
   Exit: (187) [system] [_query, [_kb], _query]=[_query, [_kb], _query]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_query, [_kb], _query])
   Call: (186) [system] _164568=[let, _query, [_kb], _query]
   Exit: (186) [system] [let, _query, [_kb], _query]=[let, _query, [_kb], _query]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [let, _query, [_kb], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [let, _query, [_kb], _query])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _845568)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _847426)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _861580)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _865370)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _845568=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _95666=[[let, _query, [_kb], _query]]
   Exit: (184) [system] [[let, _query, [_kb], _query]]=[[let, _query, [_kb], _query]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[let, _query, [_kb], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601)), read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_883888, _883890, _883892, _883894, _883896))
^  Exit: (177) [user] retract(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _886728))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _886728)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _886728)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _889544))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _889544))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _889544)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _892344))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _892344)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _892344)
   Call: (187) [system] var('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] atom('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==true
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==false
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==[_898864, _898870]
   Call: (187) [system] is_list('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] string('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _903498, _903500)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], _907240)
   Call: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], _907240, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", _909120)
   Call: (190) [system] var(";; $rb: a nullary function to rule")
   Call: (190) [system] atom(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"==true
   Call: (190) [system] ";; $rb: a nullary function to rule"==false
   Call: (190) [system] ";; $rb: a nullary function to rule"==[_913762, _913768]
   Call: (190) [system] is_list(";; $rb: a nullary function to rule")
   Call: (190) [system] string(";; $rb: a nullary function to rule")
   Exit: (190) [system] string(";; $rb: a nullary function to rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $rb: a nullary function to rule")
^  Call: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (191) [system] atom(";; $rb: a nullary function to rule")
   Fail: (191) [system] atom(";; $rb: a nullary function to rule")
^  Fail: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"=_909120
   Exit: (190) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
^  Exit: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
   Call: (189) [apply] apply:maplist_([38, 0], _909122, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(38, _927642)
   Call: (191) [system] var(38)
   Call: (191) [system] atom(38)
   Call: (191) [system] 38==true
   Call: (191) [system] 38==false
   Call: (191) [system] 38==[_932284, _932290]
   Call: (191) [system] is_list(38)
   Call: (191) [system] string(38)
   Call: (191) [system] compound(38)
^  Call: (191) [user] symbol(38)
   Call: (192) [system] atom(38)
   Fail: (192) [system] atom(38)
^  Fail: (191) [user] symbol(38)
   Call: (191) [system] 38=_927642
   Exit: (191) [system] 38=38
^  Exit: (190) [user] mfix_vars1(38, 38)
   Call: (190) [apply] apply:maplist_([0], _927644, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _943408)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_948050, _948056]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_943408
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _943410, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([38, 0], [38, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] compound_name_arguments(_892344, '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _972226))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _972226))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _972226)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _975026))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _975026)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _975026)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _886728))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _886728))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _886728)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _988984))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _988984)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _988984)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (178) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1726258747_317601, 49)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258749.7738633)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258749.7738633-1726258747.3137925
   Exit: (173) [system] 2.460070848464966 is 1726258749.7738633-1726258747.3137925
   Call: (173) [system] 2.460070848464966>4
   Fail: (173) [system] 2.460070848464966>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 4)
   Call: (175) [system] atom(4+1)
   Call: (175) [system] set_flag(translated_forms, 5)
   Exit: (175) [system] set_flag(translated_forms, 5)
   Exit: (174) [$syspreds] update_flag(translated_forms, 4, 4+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 4, 4+1))
   Exit: (171) [$syspreds] flag(translated_forms, 4, 4+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1726258747_317601, 49)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1726258747_317601, 49)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 4, 4+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), ynthesize_long_1726258747_317601, 49)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 52)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 52))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 52))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1063768)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1071190)
   Exit: (175) [system] peek_char((0x558d99e6bec0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1079528)
   Exit: (177) [system] peek_char((0x558d99e6bec0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1082314=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1084182, _1084184, _1084186, _1084188), read_sexpr((0x558d99e6bec0), _1084200), assertz(metta_file_comment(_1084182, _1084184, _1084186, _1084200, _1084188))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1084182, _1084184, _1084186, _1084188)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1084188))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1084188))
   Exit: (181) [system] nonvar(position(_1084188))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _1084182)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1094440)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _1084182)
   Exit: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _1084184)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1101874)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _1084184)
   Exit: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _1084186)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1109308)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _1084186)
   Exit: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1084200)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1084200)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1119534)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _1124172, _1124174, _1124176, _1124178)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_1124178))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_1124178))
   Exit: (185) [system] nonvar(position(_1124178))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _1124172)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1133466)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _1124172)
   Exit: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _1124174)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1140900)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _1124174)
   Exit: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _1124176)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1148334)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _1124176)
   Exit: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1153928)
   Call: (184) [system] get_char((0x558d99e6bec0), _1154858)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1160428)
   Call: (185) [system] get_char((0x558d99e6bec0), _1161358)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1166928)
   Call: (186) [system] get_char((0x558d99e6bec0), _1167858)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Fail: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
   Fail: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1173428)
   Call: (187) [system] get_char((0x558d99e6bec0), _1174358)
   Exit: (187) [system] get_char((0x558d99e6bec0), 'U')
   Call: (187) [system] char_type('U', end_of_line)
   Fail: (187) [system] char_type('U', end_of_line)
   Call: (187) [system] 'U'=end_of_file
   Fail: (187) [system] 'U'=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1179928)
   Call: (188) [system] get_char((0x558d99e6bec0), _1180858)
   Exit: (188) [system] get_char((0x558d99e6bec0), n)
   Call: (188) [system] char_type(n, end_of_line)
   Fail: (188) [system] char_type(n, end_of_line)
   Call: (188) [system] n=end_of_file
   Fail: (188) [system] n=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1186428)
   Call: (189) [system] get_char((0x558d99e6bec0), _1187358)
   Exit: (189) [system] get_char((0x558d99e6bec0), a)
   Call: (189) [system] char_type(a, end_of_line)
   Fail: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] a=end_of_file
   Fail: (189) [system] a=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1192928)
   Call: (190) [system] get_char((0x558d99e6bec0), _1193858)
   Exit: (190) [system] get_char((0x558d99e6bec0), r)
   Call: (190) [system] char_type(r, end_of_line)
   Fail: (190) [system] char_type(r, end_of_line)
   Call: (190) [system] r=end_of_file
   Fail: (190) [system] r=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1199428)
   Call: (191) [system] get_char((0x558d99e6bec0), _1200358)
   Exit: (191) [system] get_char((0x558d99e6bec0), y)
   Call: (191) [system] char_type(y, end_of_line)
   Fail: (191) [system] char_type(y, end_of_line)
   Call: (191) [system] y=end_of_file
   Fail: (191) [system] y=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1205928)
   Call: (192) [system] get_char((0x558d99e6bec0), _1206858)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Fail: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
   Fail: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1212428)
   Call: (193) [system] get_char((0x558d99e6bec0), _1213358)
   Exit: (193) [system] get_char((0x558d99e6bec0), r)
   Call: (193) [system] char_type(r, end_of_line)
   Fail: (193) [system] char_type(r, end_of_line)
   Call: (193) [system] r=end_of_file
   Fail: (193) [system] r=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1218928)
   Call: (194) [system] get_char((0x558d99e6bec0), _1219858)
   Exit: (194) [system] get_char((0x558d99e6bec0), u)
   Call: (194) [system] char_type(u, end_of_line)
   Fail: (194) [system] char_type(u, end_of_line)
   Call: (194) [system] u=end_of_file
   Fail: (194) [system] u=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1225428)
   Call: (195) [system] get_char((0x558d99e6bec0), _1226358)
   Exit: (195) [system] get_char((0x558d99e6bec0), l)
   Call: (195) [system] char_type(l, end_of_line)
   Fail: (195) [system] char_type(l, end_of_line)
   Call: (195) [system] l=end_of_file
   Fail: (195) [system] l=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1231928)
   Call: (196) [system] get_char((0x558d99e6bec0), _1232858)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] char_type(e, end_of_line)
   Fail: (196) [system] char_type(e, end_of_line)
   Call: (196) [system] e=end_of_file
   Fail: (196) [system] e=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1238428)
   Call: (197) [system] get_char((0x558d99e6bec0), _1239358)
   Exit: (197) [system] get_char((0x558d99e6bec0), '\n')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
   Call: (197) [system] _1238428=""
   Exit: (197) [system] ""=""
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (196) [system] string_concat(e, "", _1231928)
   Exit: (196) [system] string_concat(e, "", "e")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "e")
   Call: (195) [system] string_concat(l, "e", _1225428)
   Exit: (195) [system] string_concat(l, "e", "le")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "le")
   Call: (194) [system] string_concat(u, "le", _1218928)
   Exit: (194) [system] string_concat(u, "le", "ule")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "ule")
   Call: (193) [system] string_concat(r, "ule", _1212428)
   Exit: (193) [system] string_concat(r, "ule", "rule")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "rule")
   Call: (192) [system] string_concat(' ', "rule", _1205928)
   Exit: (192) [system] string_concat(' ', "rule", " rule")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), " rule")
   Call: (191) [system] string_concat(y, " rule", _1199428)
   Exit: (191) [system] string_concat(y, " rule", "y rule")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "y rule")
   Call: (190) [system] string_concat(r, "y rule", _1192928)
   Exit: (190) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "ry rule")
   Call: (189) [system] string_concat(a, "ry rule", _1186428)
   Exit: (189) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "ary rule")
   Call: (188) [system] string_concat(n, "ary rule", _1179928)
   Exit: (188) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "nary rule")
   Call: (187) [system] string_concat('U', "nary rule", _1173428)
   Exit: (187) [system] string_concat('U', "nary rule", "Unary rule")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "Unary rule")
   Call: (186) [system] string_concat(' ', "Unary rule", _1166928)
   Exit: (186) [system] string_concat(' ', "Unary rule", " Unary rule")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), " Unary rule")
   Call: (185) [system] string_concat(;, " Unary rule", _1160428)
   Exit: (185) [system] string_concat(;, " Unary rule", "; Unary rule")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "; Unary rule")
   Call: (184) [system] string_concat(;, "; Unary rule", _1153928)
   Exit: (184) [system] string_concat(;, "; Unary rule", ";; Unary rule")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";; Unary rule")
^  Call: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1285978)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1301056)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1084200)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1306626)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1320780)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1326350)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1328208)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1342362)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1326350)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1360004)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1360938)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1360004=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1326350)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1370248, _1370250), once(user:catch(read_from_chars([=], _1326350), _1370224, fail)), '$restore_trace'(_1370248, _1370250))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1370248, _1370250))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1370224, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1377748)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1379606)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1387344)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1390048)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1405126)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1410696)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1412554)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1426708)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1410696)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1432278)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1446432)
   Exit: (185) [system] peek_char((0x558d99e6bec0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1452002)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1453860)
   Exit: (187) [system] peek_char((0x558d99e6bec0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1468014)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, _1452002)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1485656)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1486590)
   Exit: (188) [system] peek_char((0x558d99e6bec0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1491310, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1492242, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x558d99e6bec0), y)
   Exit: (188) [system] get_char((0x558d99e6bec0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1499592)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1500526)
   Exit: (189) [system] peek_char((0x558d99e6bec0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1505246, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1506178, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x558d99e6bec0), n)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1513528)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1514462)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1519182, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1520114, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1527464)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1528398)
   Exit: (191) [system] peek_char((0x558d99e6bec0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1533118, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1534050, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x558d99e6bec0), h)
   Exit: (191) [system] get_char((0x558d99e6bec0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1541400)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1542334)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1547054, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1547986, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1555336)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1556270)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1560990, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1561922, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1569272)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1570206)
   Exit: (194) [system] peek_char((0x558d99e6bec0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1574926, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1575858, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x558d99e6bec0), i)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1583208)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1584142)
   Exit: (195) [system] peek_char((0x558d99e6bec0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1588862, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1589794, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x558d99e6bec0), z)
   Exit: (195) [system] get_char((0x558d99e6bec0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1597144)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1598078)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1602798, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1603730, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1611080)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1612014)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1611080=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1597144=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (195) [system] _1583208=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (194) [system] _1569272=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (193) [system] _1555336=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (192) [system] _1541400=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (191) [system] _1527464=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (190) [system] _1513528=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1499592=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1485656=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1452002)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1646470, _1646472), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1452002), _1646446, fail)), '$restore_trace'(_1646470, _1646472))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1646470, _1646472))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1646446, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1653970)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1655828)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1663566)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1666270)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1681348)
   Exit: (186) [system] peek_char((0x558d99e6bec0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1686918)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1688776)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1702930)
   Exit: (187) [system] get_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _1686918)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1720572)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1721506)
   Exit: (189) [system] peek_char((0x558d99e6bec0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1726226, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1727158, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x558d99e6bec0), q)
   Exit: (189) [system] get_char((0x558d99e6bec0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1734508)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1735442)
   Exit: (190) [system] peek_char((0x558d99e6bec0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1740162, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1741094, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x558d99e6bec0), u)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1748444)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1749378)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1754098, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1755030, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1762380)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1763314)
   Exit: (192) [system] peek_char((0x558d99e6bec0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1768034, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1768966, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x558d99e6bec0), r)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1776316)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1777250)
   Exit: (193) [system] peek_char((0x558d99e6bec0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1781970, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1782902, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x558d99e6bec0), y)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1790252)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1791186)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1790252=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1776316=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (192) [system] _1762380=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (191) [system] _1748444=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (190) [system] _1734508=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (189) [system] _1720572=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1686918)
   Call: (189) [system] atom_chars(_1814440, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1819104)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1820962)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1828700)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1831404)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1846482)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1852052)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1853910)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1868064)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _1852052)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1885706)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1886640)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1891360, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1892292, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x558d99e6bec0), k)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899642)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1900576)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1905296, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1906228, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1913578)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1914512)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1913578=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1899642=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (190) [system] _1885706=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1852052)
   Call: (190) [system] atom_chars(_1929384, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1934048)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1935906)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1943644)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1946348)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1961426)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1966996)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1968854)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1983008)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1966996)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2000650)
   Call: (191) [system] peek_char((0x558d99e6bec0), _2001584)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_2006304, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_2007236, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2014586)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2015520)
   Exit: (192) [system] peek_char((0x558d99e6bec0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_2020240, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_2021172, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x558d99e6bec0), b)
   Exit: (192) [system] get_char((0x558d99e6bec0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2028522)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2029456)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _2028522=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _2014586=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (191) [system] _2000650=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1966996)
   Call: (191) [system] atom_chars(_2044328, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _2048992)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2050850)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _2058588)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2061292)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2076370)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _2081940)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2083798)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _4680)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _3402)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _10250)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _24404)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _29974)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _31832)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _45986)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _29974)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _63628)
   Call: (194) [system] peek_char((0x558d99e6bec0), _64562)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _63628=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _29974)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_73872, _73874), once(user:catch(read_from_chars(['S'], _29974), _73848, fail)), '$restore_trace'(_73872, _73874))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_73872, _73874))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _29974), _73848, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_29974)
   Fail: (194) [system] atomic(_29974)
   Call: (194) [system] atom_chars(_29974, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _83248)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _85106)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _92844)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _95548)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _110626)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _116196)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _118054)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _132208)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _116196)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _149850)
   Call: (195) [system] peek_char((0x558d99e6bec0), _150784)
   Exit: (195) [system] peek_char((0x558d99e6bec0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_155504, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_156436, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x558d99e6bec0), k)
   Exit: (195) [system] get_char((0x558d99e6bec0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _163786)
   Call: (196) [system] peek_char((0x558d99e6bec0), _164720)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_169440, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _163786=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _149850=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _116196)
   Call: (195) [system] atom_chars(_178670, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _183334)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _185192)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _199346)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _203136)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _183334=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _83248=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (191) [system] _3402=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _214224)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _216082)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _230236)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _234026)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _214224=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _3398=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [['S', _k]])
   Call: (188) [system] _3388=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_rb, ['S', _k]])
   Call: (187) [system] _3378=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _253496)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _255354)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x558d99e6bec0), _264948)
   Exit: (185) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _267652)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _275390)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _278094)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _285832)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _288536)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _296274)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _298978)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _316828)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _322398)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _324256)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _338410)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _322398)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _343980)
   Exit: (187) [system] peek_char((0x558d99e6bec0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _358134)
   Exit: (186) [system] peek_char((0x558d99e6bec0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _363704)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _365562)
   Exit: (188) [system] peek_char((0x558d99e6bec0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _379716)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, _363704)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _397358)
   Call: (189) [system] peek_char((0x558d99e6bec0), _398292)
   Exit: (189) [system] peek_char((0x558d99e6bec0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_403012, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_403944, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x558d99e6bec0), e)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _411294)
   Call: (190) [system] peek_char((0x558d99e6bec0), _412228)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_416948, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_417880, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _425230)
   Call: (191) [system] peek_char((0x558d99e6bec0), _426164)
   Exit: (191) [system] peek_char((0x558d99e6bec0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_430884, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_431816, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x558d99e6bec0), *)
   Exit: (191) [system] get_char((0x558d99e6bec0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _439166)
   Call: (192) [system] peek_char((0x558d99e6bec0), _440100)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _439166=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _425230=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [*])
   Call: (190) [system] _411294=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, *])
   Call: (189) [system] _397358=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _363704)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_457792, _457794), once(user:catch(read_from_chars([l, e, t, *], _363704), _457768, fail)), '$restore_trace'(_457792, _457794))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_457792, _457794))
   Call: (189) [system] atom_chars(_3430, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), 'let*')
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _8202)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _10060)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _17798)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _20502)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _35580)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _41150)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _43008)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _57162)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _41150)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _62732)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _76886)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _82456)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _84314)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _98468)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _82456)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _104038)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _118192)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _123762)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _125620)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _139774)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _123762)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _145344)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _159498)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _165068)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _166926)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _181080)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _165068)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198722)
   Call: (196) [system] peek_char((0x558d99e6bec0), _199656)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _198722=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _165068)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_208966, _208968), once(user:catch(read_from_chars([:], _165068), _208942, fail)), '$restore_trace'(_208966, _208968))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_208966, _208968))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _208942, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _216466)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _218324)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _226062)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228766)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _243844)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _249414)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _251272)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _265426)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _249414)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _283068)
   Call: (197) [system] peek_char((0x558d99e6bec0), _284002)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_288722, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_289654, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _297004)
   Call: (198) [system] peek_char((0x558d99e6bec0), _297938)
   Exit: (198) [system] peek_char((0x558d99e6bec0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_302658, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_303590, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x558d99e6bec0), u)
   Exit: (198) [system] get_char((0x558d99e6bec0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310940)
   Call: (199) [system] peek_char((0x558d99e6bec0), _311874)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_316594, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_317526, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324876)
   Call: (200) [system] peek_char((0x558d99e6bec0), _325810)
   Exit: (200) [system] peek_char((0x558d99e6bec0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_330530, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_331462, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x558d99e6bec0), t)
   Exit: (200) [system] get_char((0x558d99e6bec0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338812)
   Call: (201) [system] peek_char((0x558d99e6bec0), _339746)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_344466, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_345398, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352748)
   Call: (202) [system] peek_char((0x558d99e6bec0), _353682)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_358402, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_359334, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366684)
   Call: (203) [system] peek_char((0x558d99e6bec0), _367618)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _366684=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _352748=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (201) [system] _338812=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (200) [system] _324876=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (199) [system] _310940=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (198) [system] _297004=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (197) [system] _283068=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _249414)
   Call: (197) [system] atom_chars(_393666, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _398330)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _400188)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _407926)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _410630)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _425708)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _431278)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _433136)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _447290)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _431278)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _452860)
   Exit: (198) [system] peek_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _467014)
   Exit: (197) [system] peek_char((0x558d99e6bec0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _472584)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _474442)
   Exit: (199) [system] peek_char((0x558d99e6bec0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _488596)
   Exit: (198) [system] get_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, _472584)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506238)
   Call: (200) [system] peek_char((0x558d99e6bec0), _507172)
   Exit: (200) [system] peek_char((0x558d99e6bec0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_511892, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_512824, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x558d99e6bec0), >)
   Exit: (200) [system] get_char((0x558d99e6bec0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520174)
   Call: (201) [system] peek_char((0x558d99e6bec0), _521108)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _520174=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _506238=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _472584)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_533212, _533214), once(user:catch(read_from_chars([-, >], _472584), _533188, fail)), '$restore_trace'(_533212, _533214))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_533212, _533214))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _533188, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _540712)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _542570)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _550308)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _553012)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _568090)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _573660)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _575518)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _589672)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _573660)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _607314)
   Call: (201) [system] peek_char((0x558d99e6bec0), _608248)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_612968, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_613900, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _621250)
   Call: (202) [system] peek_char((0x558d99e6bec0), _622184)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_626904, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_627836, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _635186)
   Call: (203) [system] peek_char((0x558d99e6bec0), _636120)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_640840, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_641772, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649122)
   Call: (204) [system] peek_char((0x558d99e6bec0), _650056)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_654776, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_655708, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663058)
   Call: (205) [system] peek_char((0x558d99e6bec0), _663992)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_668712, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_669644, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _676994)
   Call: (206) [system] peek_char((0x558d99e6bec0), _677928)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_682648, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_683580, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _690930)
   Call: (207) [system] peek_char((0x558d99e6bec0), _691864)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_696584, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_697516, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _704866)
   Call: (208) [system] peek_char((0x558d99e6bec0), _705800)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _704866=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _690930=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _676994=[s, e]
   Exit: (206) [system] [s, e]=[s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e])
   Call: (205) [system] _663058=[i, s, e]
   Exit: (205) [system] [i, s, e]=[i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e])
   Call: (204) [system] _649122=[m, i, s, e]
   Exit: (204) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e])
   Call: (203) [system] _635186=[e, m, i, s, e]
   Exit: (203) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e])
   Call: (202) [system] _621250=[r, e, m, i, s, e]
   Exit: (202) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e])
   Call: (201) [system] _607314=[p, r, e, m, i, s, e]
   Exit: (201) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _573660)
   Call: (201) [system] atom_chars(_734642, ['_', p, r, e, m, i, s, e])
   Exit: (201) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _premise)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _739306)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _741164)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _748902)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _751606)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _766684)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _772254)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _774112)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _788266)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _772254)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _805908)
   Call: (202) [system] peek_char((0x558d99e6bec0), _806842)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_811562, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_812494, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _819844)
   Call: (203) [system] peek_char((0x558d99e6bec0), _820778)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_825498, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_826430, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _833780)
   Call: (204) [system] peek_char((0x558d99e6bec0), _834714)
   Exit: (204) [system] peek_char((0x558d99e6bec0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_839434, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_840366, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x558d99e6bec0), n)
   Exit: (204) [system] get_char((0x558d99e6bec0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _847716)
   Call: (205) [system] peek_char((0x558d99e6bec0), _848650)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_853370, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_854302, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x558d99e6bec0), c)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861652)
   Call: (206) [system] peek_char((0x558d99e6bec0), _862586)
   Exit: (206) [system] peek_char((0x558d99e6bec0), l)
^  Call: (206) [user] is_delimiter(l)
   Call: (207) [system] char_type(l, space)
   Fail: (207) [system] char_type(l, space)
   Call: (207) [system] arg(_867306, v('(', ')', end_of_file), l)
   Fail: (207) [system] arg(_868238, v('(', ')', end_of_file), l)
^  Fail: (206) [user] is_delimiter(l)
   Call: (206) [system] ')'==l
   Fail: (206) [system] ')'==l
   Call: (206) [system] get_char((0x558d99e6bec0), l)
   Exit: (206) [system] get_char((0x558d99e6bec0), l)
   Call: (206) [system] l=(\)
   Fail: (206) [system] l=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875588)
   Call: (207) [system] peek_char((0x558d99e6bec0), _876522)
   Exit: (207) [system] peek_char((0x558d99e6bec0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_881242, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_882174, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x558d99e6bec0), u)
   Exit: (207) [system] get_char((0x558d99e6bec0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889524)
   Call: (208) [system] peek_char((0x558d99e6bec0), _890458)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_895178, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_896110, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _903460)
   Call: (209) [system] peek_char((0x558d99e6bec0), _904394)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_909114, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_910046, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _917396)
   Call: (210) [system] peek_char((0x558d99e6bec0), _918330)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_923050, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_923982, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _931332)
   Call: (211) [system] peek_char((0x558d99e6bec0), _932266)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_936986, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_937918, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945268)
   Call: (212) [system] peek_char((0x558d99e6bec0), _946202)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_950922, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _945268=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _931332=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (210) [system] _917396=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (209) [system] _903460=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (208) [system] _889524=[s, i, o, n]
   Exit: (208) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (207) [system] _875588=[u, s, i, o, n]
   Exit: (207) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (206) [system] _861652=[l, u, s, i, o, n]
   Exit: (206) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (205) [system] _847716=[c, l, u, s, i, o, n]
   Exit: (205) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (204) [system] _833780=[n, c, l, u, s, i, o, n]
   Exit: (204) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (203) [system] _819844=[o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (202) [system] _805908=[c, o, n, c, l, u, s, i, o, n]
   Exit: (202) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _772254)
   Call: (202) [system] atom_chars(_985298, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (202) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _989962)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _991820)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1005974)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _1009764)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _989962=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _739306=[_conclusion]
   Exit: (199) [system] [_conclusion]=[_conclusion]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (198) [system] _540712=[_premise, _conclusion]
   Exit: (198) [system] [_premise, _conclusion]=[_premise, _conclusion]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise, _conclusion])
   Call: (197) [system] _431278=[->, _premise, _conclusion]
   Exit: (197) [system] [->, _premise, _conclusion]=[->, _premise, _conclusion]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [->, _premise, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _premise, _conclusion])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1023646)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1025504)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1039658)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1043448)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1023646=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _398330=[[->, _premise, _conclusion]]
   Exit: (195) [system] [[->, _premise, _conclusion]]=[[->, _premise, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[->, _premise, _conclusion]])
   Call: (194) [system] _216466=[_ructor, [->, _premise, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise, _conclusion]]=[_ructor, [->, _premise, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_ructor, [->, _premise, _conclusion]])
   Call: (193) [system] _123762=[:, _ructor, [->, _premise, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise, _conclusion]]=[:, _ructor, [->, _premise, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, _ructor, [->, _premise, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _ructor, [->, _premise, _conclusion]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1057330)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1059188)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1066926)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1069630)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1084708)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1090278)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1092136)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1106290)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1090278)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1111860)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1126014)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1131584)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1133442)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1147596)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1131584)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1165238)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1166172)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1170892, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1171824, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1179174)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1180108)
   Exit: (198) [system] peek_char((0x558d99e6bec0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1184828, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1185760, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x558d99e6bec0), b)
   Exit: (198) [system] get_char((0x558d99e6bec0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1193110)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1194044)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1198764, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1193110=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1179174=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (197) [system] _1165238=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1131584)
   Call: (197) [system] atom_chars(_1210788, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1215452)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1217310)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1231464)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1235254)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1215452=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1090278=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [_rb])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1243548)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1245406)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1259560)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1263350)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1243548=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1057330=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[_rb]])
   Call: (191) [system] _82456=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1274438)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1276296)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1285890)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1288594)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1296332)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1299036)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1306774)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1309478)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1317216)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1319920)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1327658)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1330362)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1338100)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1340804)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1348542)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1351246)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1358984)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1361688)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1369426)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1372130)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1379868)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1382572)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1390310)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1393014)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1417332)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1422902)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1424760)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1438914)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1422902)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1444484)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1458638)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1464208)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1466066)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1480220)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1464208)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1485790)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1499944)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1505514)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1507372)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1521526)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _1505514)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1539168)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1540102)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1539168=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1505514)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1549412, _1549414), once(user:catch(read_from_chars([:], _1505514), _1549388, fail)), '$restore_trace'(_1549412, _1549414))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1549412, _1549414))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1549388, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1556912)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1558770)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1566508)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1569212)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1584290)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1589860)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1591718)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1605872)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1589860)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1611442)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1625596)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1631166)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1633024)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1647178)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1631166)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1664820)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1665754)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1670474, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1671406, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1678756)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1679690)
   Exit: (201) [system] peek_char((0x558d99e6bec0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1684410, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_1685342, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x558d99e6bec0), u)
   Exit: (201) [system] get_char((0x558d99e6bec0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1692692)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1693626)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1698346, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1699278, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1706628)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1707562)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1712282, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1713214, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1720564)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1721498)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1726218, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1727150, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1734500)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1735434)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1740154, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1741086, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1748436)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1749370)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1748436=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1734500=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (204) [system] _1720564=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (203) [system] _1706628=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (202) [system] _1692692=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (201) [system] _1678756=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (200) [system] _1664820=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1631166)
   Call: (200) [system] atom_chars(_1775418, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1780082)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1781940)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1789678)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1792382)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1807460)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1813030)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1814888)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1829042)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1813030)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1846684)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1847618)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1852338, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1853270, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1860620)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1861554)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1866274, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1867206, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1874556)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1875490)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1880210, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1881142, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1888492)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1889426)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1894146, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1895078, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1902428)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1903362)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1908082, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_1909014, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1916364)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1917298)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1922018, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1916364=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1902428=[f]
   Exit: (205) [system] [f]=[f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f])
   Call: (204) [system] _1888492=[o, f]
   Exit: (204) [system] [o, f]=[o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f])
   Call: (203) [system] _1874556=[o, o, f]
   Exit: (203) [system] [o, o, f]=[o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f])
   Call: (202) [system] _1860620=[r, o, o, f]
   Exit: (202) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f])
   Call: (201) [system] _1846684=[p, r, o, o, f]
   Exit: (201) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f], _1813030)
   Call: (201) [system] atom_chars(_1942424, ['_', p, r, o, o, f])
   Exit: (201) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f], _proof)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1947088)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1948946)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1963100)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _1966890)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _1947088=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1780082=[_proof]
   Exit: (198) [system] [_proof]=[_proof]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof])
   Call: (197) [system] _1589860=[_ructor, _proof]
   Exit: (197) [system] [_ructor, _proof]=[_ructor, _proof]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_ructor, _proof])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [_ructor, _proof])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1977978)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1979836)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1987574)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1990278)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2005356)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _2010926)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2012784)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _2026938)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _2010926)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2044580)
   Call: (199) [system] peek_char((0x558d99e6bec0), _2045514)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_2050234, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_2051166, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2058516)
   Call: (200) [system] peek_char((0x558d99e6bec0), _2059450)
   Exit: (200) [system] peek_char((0x558d99e6bec0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_2064170, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_2065102, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x558d99e6bec0), o)
   Exit: (200) [system] get_char((0x558d99e6bec0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2072452)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2073386)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_2078106, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_2079038, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2086388)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2087322)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_2092042, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_2092974, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _7114)
   Call: (203) [system] peek_char((0x558d99e6bec0), _8048)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_12768, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_13700, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _21050)
   Call: (204) [system] peek_char((0x558d99e6bec0), _21984)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_26704, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_27636, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _34986)
   Call: (205) [system] peek_char((0x558d99e6bec0), _35920)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_40640, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_41572, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _48922)
   Call: (206) [system] peek_char((0x558d99e6bec0), _49856)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_54576, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_55508, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _62858)
   Call: (207) [system] peek_char((0x558d99e6bec0), _63792)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_68512, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_69444, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _76794)
   Call: (208) [system] peek_char((0x558d99e6bec0), _77728)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_82448, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_83380, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _90730)
   Call: (209) [system] peek_char((0x558d99e6bec0), _91664)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_96384, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _90730=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _76794=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (207) [system] _62858=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (206) [system] _48922=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (205) [system] _34986=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (204) [system] _21050=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (203) [system] _7114=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (202) [system] _3578=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (201) [system] _3574=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _3570=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _3566=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _3562)
   Call: (199) [system] atom_chars(_130760, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _135424)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _137282)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _151436)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _155226)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _135424=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _3558=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (195) [system] _3532=[[_ructor, _proof], _conclusion]
   Exit: (195) [system] [[_ructor, _proof], _conclusion]=[[_ructor, _proof], _conclusion]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[_ructor, _proof], _conclusion])
   Call: (194) [system] _3524=[:, [_ructor, _proof], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof], _conclusion]=[:, [_ructor, _proof], _conclusion]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, [_ructor, _proof], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, [_ructor, _proof], _conclusion])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _169108)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _170966)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _178704)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _181408)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _196486)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _202056)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _203914)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _218068)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _202056)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _235710)
   Call: (196) [system] peek_char((0x558d99e6bec0), _236644)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_241364, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_242296, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _249646)
   Call: (197) [system] peek_char((0x558d99e6bec0), _250580)
   Exit: (197) [system] peek_char((0x558d99e6bec0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_255300, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_256232, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x558d99e6bec0), u)
   Exit: (197) [system] get_char((0x558d99e6bec0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _263582)
   Call: (198) [system] peek_char((0x558d99e6bec0), _264516)
   Exit: (198) [system] peek_char((0x558d99e6bec0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_269236, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_270168, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x558d99e6bec0), e)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _277518)
   Call: (199) [system] peek_char((0x558d99e6bec0), _278452)
   Exit: (199) [system] peek_char((0x558d99e6bec0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_283172, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_284104, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x558d99e6bec0), r)
   Exit: (199) [system] get_char((0x558d99e6bec0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _291454)
   Call: (200) [system] peek_char((0x558d99e6bec0), _292388)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_297108, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_298040, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _305390)
   Call: (201) [system] peek_char((0x558d99e6bec0), _306324)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_311044, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _305390=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _291454=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (199) [system] _277518=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (198) [system] _263582=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (197) [system] _249646=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (196) [system] _235710=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _202056)
   Call: (196) [system] atom_chars(_331450, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _336114)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _337972)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _352126)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _355916)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _336114=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _169108=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (192) [system] _3518=[[:, [_ructor, _proof], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof], _conclusion], _query]=[[:, [_ructor, _proof], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, [_ructor, _proof], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, [_ructor, _proof], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _367004)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _368862)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x558d99e6bec0), _378456)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _381160)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _388898)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _391602)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _399340)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _402044)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _409782)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _412486)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _420224)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _422928)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _430666)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _433370)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _441108)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _443812)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _451550)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _454254)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _461992)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _464696)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _472434)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _475138)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _482876)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _485580)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _509898)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _515468)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _517326)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _531480)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _515468)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _537050)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _551204)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _556774)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _558632)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _572786)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _556774)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _578356)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _592510)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _598080)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _599938)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _614092)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _598080)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _631734)
   Call: (198) [system] peek_char((0x558d99e6bec0), _632668)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _631734=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _598080)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_641978, _641980), once(user:catch(read_from_chars([:], _598080), _641954, fail)), '$restore_trace'(_641978, _641980))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_641978, _641980))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _641954, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _649478)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _651336)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _659074)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _661778)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _676856)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _682426)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _684284)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _698438)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _682426)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _716080)
   Call: (199) [system] peek_char((0x558d99e6bec0), _717014)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_721734, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_722666, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _730016)
   Call: (200) [system] peek_char((0x558d99e6bec0), _730950)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_735670, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_736602, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _743952)
   Call: (201) [system] peek_char((0x558d99e6bec0), _744886)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_749606, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_750538, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _757888)
   Call: (202) [system] peek_char((0x558d99e6bec0), _758822)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_763542, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_764474, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _771824)
   Call: (203) [system] peek_char((0x558d99e6bec0), _772758)
   Exit: (203) [system] peek_char((0x558d99e6bec0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_777478, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_778410, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x558d99e6bec0), f)
   Exit: (203) [system] get_char((0x558d99e6bec0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _785760)
   Call: (204) [system] peek_char((0x558d99e6bec0), _786694)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _785760=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _771824=[f]
   Exit: (203) [system] [f]=[f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f])
   Call: (202) [system] _757888=[o, f]
   Exit: (202) [system] [o, f]=[o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f])
   Call: (201) [system] _743952=[o, o, f]
   Exit: (201) [system] [o, o, f]=[o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f])
   Call: (200) [system] _730016=[r, o, o, f]
   Exit: (200) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f])
   Call: (199) [system] _716080=[p, r, o, o, f]
   Exit: (199) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f], _682426)
   Call: (199) [system] atom_chars(_809948, ['_', p, r, o, o, f])
   Exit: (199) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f], _proof)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _proof)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _814612)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _816470)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _824208)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _826912)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _841990)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _847560)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _849418)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _863572)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _847560)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _881214)
   Call: (200) [system] peek_char((0x558d99e6bec0), _882148)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_886868, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_887800, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _895150)
   Call: (201) [system] peek_char((0x558d99e6bec0), _896084)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_900804, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_901736, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _909086)
   Call: (202) [system] peek_char((0x558d99e6bec0), _910020)
   Exit: (202) [system] peek_char((0x558d99e6bec0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_914740, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_915672, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x558d99e6bec0), e)
   Exit: (202) [system] get_char((0x558d99e6bec0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _923022)
   Call: (203) [system] peek_char((0x558d99e6bec0), _923956)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_928676, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_929608, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _936958)
   Call: (204) [system] peek_char((0x558d99e6bec0), _937892)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_942612, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_943544, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _950894)
   Call: (205) [system] peek_char((0x558d99e6bec0), _951828)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_956548, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_957480, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _964830)
   Call: (206) [system] peek_char((0x558d99e6bec0), _965764)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_970484, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_971416, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _978766)
   Call: (207) [system] peek_char((0x558d99e6bec0), _979700)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_984420, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _978766=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _964830=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (205) [system] _950894=[s, e]
   Exit: (205) [system] [s, e]=[s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e])
   Call: (204) [system] _936958=[i, s, e]
   Exit: (204) [system] [i, s, e]=[i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e])
   Call: (203) [system] _923022=[m, i, s, e]
   Exit: (203) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e])
   Call: (202) [system] _909086=[e, m, i, s, e]
   Exit: (202) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e])
   Call: (201) [system] _895150=[r, e, m, i, s, e]
   Exit: (201) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e])
   Call: (200) [system] _881214=[p, r, e, m, i, s, e]
   Exit: (200) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _847560)
   Call: (200) [system] atom_chars(_1010414, ['_', p, r, e, m, i, s, e])
   Exit: (200) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _premise)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _premise)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1015078)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1016936)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1031090)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1034880)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1015078=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _814612=[_premise]
   Exit: (197) [system] [_premise]=[_premise]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_premise])
   Call: (196) [system] _649478=[_proof, _premise]
   Exit: (196) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_proof, _premise])
   Call: (195) [system] _556774=[:, _proof, _premise]
   Exit: (195) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, _proof, _premise])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof, _premise])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1048762)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1050620)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1058358)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1061062)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1076140)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1081710)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1083568)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1097722)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1081710)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1103292)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1117446)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1123016)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1124874)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1139028)
   Exit: (197) [system] get_char((0x558d99e6bec0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, _1123016)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1156670)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1157604)
   Exit: (199) [system] peek_char((0x558d99e6bec0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1162324, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1163256, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x558d99e6bec0), y)
   Exit: (199) [system] get_char((0x558d99e6bec0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1170606)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1171540)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1176260, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1177192, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1184542)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1185476)
   Exit: (201) [system] peek_char((0x558d99e6bec0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1190196, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1191128, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x558d99e6bec0), t)
   Exit: (201) [system] get_char((0x558d99e6bec0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1198478)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1199412)
   Exit: (202) [system] peek_char((0x558d99e6bec0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1204132, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1205064, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x558d99e6bec0), h)
   Exit: (202) [system] get_char((0x558d99e6bec0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1212414)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1213348)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1218068, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1219000, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1226350)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1227284)
   Exit: (204) [system] peek_char((0x558d99e6bec0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1232004, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1232936, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x558d99e6bec0), s)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1240286)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1241220)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1245940, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1246872, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1254222)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1255156)
   Exit: (206) [system] peek_char((0x558d99e6bec0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1259876, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1260808, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x558d99e6bec0), z)
   Exit: (206) [system] get_char((0x558d99e6bec0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1268158)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1269092)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1273812, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1274744, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1282094)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1283028)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1282094=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1268158=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _1254222=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (205) [system] _1240286=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (204) [system] _1226350=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (203) [system] _1212414=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (202) [system] _1198478=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (201) [system] _1184542=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1170606=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1156670=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1123016)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1317484, _1317486), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1123016), _1317460, fail)), '$restore_trace'(_1317484, _1317486))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1317484, _1317486))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1317460, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1324984)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1326842)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1334580)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1337284)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1352362)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1357932)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1359790)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1373944)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1357932)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1379514)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1393668)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1399238)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1401096)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1415250)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _1399238)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1432892)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1433826)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1432892=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1399238)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1443136, _1443138), once(user:catch(read_from_chars([:], _1399238), _1443112, fail)), '$restore_trace'(_1443136, _1443138))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1443136, _1443138))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1443112, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1450636)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1452494)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1460232)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1462936)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1478014)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1483584)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1485442)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1499596)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1483584)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1517238)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1518172)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1522892, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1523824, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1531174)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1532108)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1536828, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1537760, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1545110)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1546044)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1550764, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1551696, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1559046)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1559980)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1564700, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1565632, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1572982)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1573916)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1578636, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1579568, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1586918)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1587852)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1586918=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1572982=[f]
   Exit: (207) [system] [f]=[f]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f])
   Call: (206) [system] _1559046=[o, f]
   Exit: (206) [system] [o, f]=[o, f]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f])
   Call: (205) [system] _1545110=[o, o, f]
   Exit: (205) [system] [o, o, f]=[o, o, f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f])
   Call: (204) [system] _1531174=[r, o, o, f]
   Exit: (204) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f])
   Call: (203) [system] _1517238=[p, r, o, o, f]
   Exit: (203) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f], _1483584)
   Call: (203) [system] atom_chars(_1611106, ['_', p, r, o, o, f])
   Exit: (203) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f], _proof)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1615770)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1617628)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1625366)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1628070)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1643148)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1648718)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1650576)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1664730)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1648718)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1682372)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1683306)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1688026, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1688958, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1696308)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1697242)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1701962, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1702894, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1710244)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1711178)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1715898, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1716830, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724180)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1725114)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1729834, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1730766, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738116)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1739050)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1743770, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1744702, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752052)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1752986)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1757706, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1758638, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1765988)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1766922)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1771642, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1772574, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1779924)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1780858)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1785578, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1779924=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1765988=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (209) [system] _1752052=[s, e]
   Exit: (209) [system] [s, e]=[s, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e])
   Call: (208) [system] _1738116=[i, s, e]
   Exit: (208) [system] [i, s, e]=[i, s, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e])
   Call: (207) [system] _1724180=[m, i, s, e]
   Exit: (207) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e])
   Call: (206) [system] _1710244=[e, m, i, s, e]
   Exit: (206) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e])
   Call: (205) [system] _1696308=[r, e, m, i, s, e]
   Exit: (205) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e])
   Call: (204) [system] _1682372=[p, r, e, m, i, s, e]
   Exit: (204) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _1648718)
   Call: (204) [system] atom_chars(_1811572, ['_', p, r, e, m, i, s, e])
   Exit: (204) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _premise)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1816236)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1818094)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1832248)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1836038)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1816236=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1615770=[_premise]
   Exit: (201) [system] [_premise]=[_premise]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise])
   Call: (200) [system] _1450636=[_proof, _premise]
   Exit: (200) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof, _premise])
   Call: (199) [system] _1357932=[:, _proof, _premise]
   Exit: (199) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, _proof, _premise])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof, _premise])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1849920)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1851778)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1859516)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1862220)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1877298)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1882868)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1884726)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1898880)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1882868)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1916522)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1917456)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1922176, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1923108, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1930458)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1931392)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1936112, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1937044, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1944394)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1945328)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1944394=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1930458=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (201) [system] _1916522=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _1882868)
   Call: (201) [system] atom_chars(_1960200, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1964864)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1966722)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1974460)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1977164)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1992242)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1997812)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1999670)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _2013824)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1997812)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2031466)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2032400)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2037120, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2038052, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2045402)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2046336)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_2051056, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_2051988, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2059338)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2060272)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _2059338=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _2045402=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _2031466=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _1997812)
   Call: (202) [system] atom_chars(_2075144, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _2079808)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2081666)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _2089404)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2092108)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _13996)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _19566)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _21424)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _35578)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _19566)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _53220)
   Call: (203) [system] peek_char((0x558d99e6bec0), _54154)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_58874, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_59806, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _67156)
   Call: (204) [system] peek_char((0x558d99e6bec0), _68090)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_72810, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _67156=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _53220=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _19566)
   Call: (203) [system] atom_chars(_82040, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _86704)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _88562)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _102716)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _106506)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _86704=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _3680=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (199) [system] _3670=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (198) [system] _3660=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (197) [system] _3628=[[:, _proof, _premise], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof, _premise], _kb, _rb, _k]=[[:, _proof, _premise], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, _proof, _premise], _kb, _rb, _k])
   Call: (196) [system] _3620=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof, _premise], _kb, _rb, _k]=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _125976)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _127834)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _141988)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _145778)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _125976=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _3616=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (193) [system] _3582=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _156866)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _158724)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=(;)
   Fail: (193) [system] ')'=(;)
^  Call: (193) [user] is_like_space(')')
   Call: (194) [system] char_type(')', 'white')
   Fail: (194) [system] char_type(')', 'white')
   Call: (194) [system] char_type(')', end_of_line)
   Fail: (194) [system] char_type(')', end_of_line)
   Call: (194) [system] char_type(')', space)
   Fail: (194) [system] char_type(')', space)
   Call: (194) [system] char_type(')', cntrl)
   Fail: (194) [system] char_type(')', cntrl)
^  Fail: (193) [user] is_like_space(')')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _172878)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ')')
   Call: (192) [system] ')'=')'
   Exit: (192) [system] ')'=')'
   Call: (192) [system] get_char((0x558d99e6bec0), _176668)
   Exit: (192) [system] get_char((0x558d99e6bec0), ')')
   Call: (192) [system] _156866=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (191) [system] _3578=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (190) [system] _3514=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _190550)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _192408)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x558d99e6bec0), _202002)
   Exit: (189) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _204706)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _212444)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _215148)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _222886)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _225590)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _233328)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _236032)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _243770)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _246474)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _254212)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _256916)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _276614)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _282184)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _284042)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _298196)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _282184)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _315838)
   Call: (191) [system] peek_char((0x558d99e6bec0), _316772)
   Exit: (191) [system] peek_char((0x558d99e6bec0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_321492, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_322424, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x558d99e6bec0), q)
   Exit: (191) [system] get_char((0x558d99e6bec0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _329774)
   Call: (192) [system] peek_char((0x558d99e6bec0), _330708)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_335428, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_336360, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _343710)
   Call: (193) [system] peek_char((0x558d99e6bec0), _344644)
   Exit: (193) [system] peek_char((0x558d99e6bec0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_349364, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_350296, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x558d99e6bec0), e)
   Exit: (193) [system] get_char((0x558d99e6bec0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _357646)
   Call: (194) [system] peek_char((0x558d99e6bec0), _358580)
   Exit: (194) [system] peek_char((0x558d99e6bec0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_363300, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_364232, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x558d99e6bec0), r)
   Exit: (194) [system] get_char((0x558d99e6bec0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _371582)
   Call: (195) [system] peek_char((0x558d99e6bec0), _372516)
   Exit: (195) [system] peek_char((0x558d99e6bec0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_377236, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_378168, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x558d99e6bec0), y)
   Exit: (195) [system] get_char((0x558d99e6bec0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _385518)
   Call: (196) [system] peek_char((0x558d99e6bec0), _386452)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_391172, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _385518=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _371582=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (194) [system] _357646=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (193) [system] _343710=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (192) [system] _329774=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (191) [system] _315838=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _282184)
   Call: (191) [system] atom_chars(_411578, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _416242)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _418100)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _432254)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _436044)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _416242=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _190550=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _449926)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _451784)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _465938)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _469728)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _449926=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693)), read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_488246, _488248, _488250, _488252, _488254))
^  Exit: (177) [user] retract(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _491088))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _491088)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _491088)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _493904))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _493904))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _493904)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _496704))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _496704)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _496704)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==[_503224, _503230]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _507858, _507860)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], _511600)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], _511600, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", _513480)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==[_518122, _518128]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up a")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up a")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up a")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"=_513480
   Exit: (190) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
   Call: (189) [apply] apply:maplist_([39, 0], _513482, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(39, _532002)
   Call: (191) [system] var(39)
   Call: (191) [system] atom(39)
   Call: (191) [system] 39==true
   Call: (191) [system] 39==false
   Call: (191) [system] 39==[_536644, _536650]
   Call: (191) [system] is_list(39)
   Call: (191) [system] string(39)
   Call: (191) [system] compound(39)
^  Call: (191) [user] symbol(39)
   Call: (192) [system] atom(39)
   Fail: (192) [system] atom(39)
^  Fail: (191) [user] symbol(39)
   Call: (191) [system] 39=_532002
   Exit: (191) [system] 39=39
^  Exit: (190) [user] mfix_vars1(39, 39)
   Call: (190) [apply] apply:maplist_([0], _532004, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _547768)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_552410, _552416]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_547768
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _547770, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([39, 0], [39, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] compound_name_arguments(_496704, '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _576586))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _576586))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _576586)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _579386))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _579386)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _579386)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _491088))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _491088))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _491088)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _593344))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _593344)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _593344)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1726258747_317601, 52)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258750.5239422)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258750.5239422-1726258747.3137925
   Exit: (173) [system] 3.2101497650146484 is 1726258750.5239422-1726258747.3137925
   Call: (173) [system] 3.2101497650146484>4
   Fail: (173) [system] 3.2101497650146484>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 5)
   Call: (175) [system] atom(5+1)
   Call: (175) [system] set_flag(translated_forms, 6)
   Exit: (175) [system] set_flag(translated_forms, 6)
   Exit: (174) [$syspreds] update_flag(translated_forms, 5, 5+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 5, 5+1))
   Exit: (171) [$syspreds] flag(translated_forms, 5, 5+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1726258747_317601, 52)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1726258747_317601, 52)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 5, 5+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), ynthesize_long_1726258747_317601, 52)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 58)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 58))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 58))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _668128)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _675550)
   Exit: (175) [system] peek_char((0x558d99e6bec0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _683888)
   Exit: (177) [system] peek_char((0x558d99e6bec0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _686674=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _688542, _688544, _688546, _688548), read_sexpr((0x558d99e6bec0), _688560), assertz(metta_file_comment(_688542, _688544, _688546, _688560, _688548))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _688542, _688544, _688546, _688548)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_688548))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_688548))
   Exit: (181) [system] nonvar(position(_688548))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _688542)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _698800)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _688542)
   Exit: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _688544)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _706234)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _688544)
   Exit: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _688546)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _713668)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _688546)
   Exit: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _688560)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _688560)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _723894)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _728532, _728534, _728536, _728538)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_728538))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_728538))
   Exit: (185) [system] nonvar(position(_728538))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _728532)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _737826)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _728532)
   Exit: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _728534)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _745260)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _728534)
   Exit: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _728536)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _752694)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _728536)
   Exit: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _758288)
   Call: (184) [system] get_char((0x558d99e6bec0), _759218)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _764788)
   Call: (185) [system] get_char((0x558d99e6bec0), _765718)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _771288)
   Call: (186) [system] get_char((0x558d99e6bec0), _772218)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Fail: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
   Fail: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _777788)
   Call: (187) [system] get_char((0x558d99e6bec0), _778718)
   Exit: (187) [system] get_char((0x558d99e6bec0), 'B')
   Call: (187) [system] char_type('B', end_of_line)
   Fail: (187) [system] char_type('B', end_of_line)
   Call: (187) [system] 'B'=end_of_file
   Fail: (187) [system] 'B'=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _784288)
   Call: (188) [system] get_char((0x558d99e6bec0), _785218)
   Exit: (188) [system] get_char((0x558d99e6bec0), i)
   Call: (188) [system] char_type(i, end_of_line)
   Fail: (188) [system] char_type(i, end_of_line)
   Call: (188) [system] i=end_of_file
   Fail: (188) [system] i=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _790788)
   Call: (189) [system] get_char((0x558d99e6bec0), _791718)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] char_type(n, end_of_line)
   Fail: (189) [system] char_type(n, end_of_line)
   Call: (189) [system] n=end_of_file
   Fail: (189) [system] n=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _797288)
   Call: (190) [system] get_char((0x558d99e6bec0), _798218)
   Exit: (190) [system] get_char((0x558d99e6bec0), a)
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] a=end_of_file
   Fail: (190) [system] a=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _803788)
   Call: (191) [system] get_char((0x558d99e6bec0), _804718)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] char_type(r, end_of_line)
   Fail: (191) [system] char_type(r, end_of_line)
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _810288)
   Call: (192) [system] get_char((0x558d99e6bec0), _811218)
   Exit: (192) [system] get_char((0x558d99e6bec0), y)
   Call: (192) [system] char_type(y, end_of_line)
   Fail: (192) [system] char_type(y, end_of_line)
   Call: (192) [system] y=end_of_file
   Fail: (192) [system] y=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _816788)
   Call: (193) [system] get_char((0x558d99e6bec0), _817718)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _823288)
   Call: (194) [system] get_char((0x558d99e6bec0), _824218)
   Exit: (194) [system] get_char((0x558d99e6bec0), r)
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] r=end_of_file
   Fail: (194) [system] r=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _829788)
   Call: (195) [system] get_char((0x558d99e6bec0), _830718)
   Exit: (195) [system] get_char((0x558d99e6bec0), u)
   Call: (195) [system] char_type(u, end_of_line)
   Fail: (195) [system] char_type(u, end_of_line)
   Call: (195) [system] u=end_of_file
   Fail: (195) [system] u=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _836288)
   Call: (196) [system] get_char((0x558d99e6bec0), _837218)
   Exit: (196) [system] get_char((0x558d99e6bec0), l)
   Call: (196) [system] char_type(l, end_of_line)
   Fail: (196) [system] char_type(l, end_of_line)
   Call: (196) [system] l=end_of_file
   Fail: (196) [system] l=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _842788)
   Call: (197) [system] get_char((0x558d99e6bec0), _843718)
   Exit: (197) [system] get_char((0x558d99e6bec0), e)
   Call: (197) [system] char_type(e, end_of_line)
   Fail: (197) [system] char_type(e, end_of_line)
   Call: (197) [system] e=end_of_file
   Fail: (197) [system] e=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _849288)
   Call: (198) [system] get_char((0x558d99e6bec0), _850218)
   Exit: (198) [system] get_char((0x558d99e6bec0), '\n')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
   Call: (198) [system] _849288=""
   Exit: (198) [system] ""=""
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (197) [system] string_concat(e, "", _842788)
   Exit: (197) [system] string_concat(e, "", "e")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "e")
   Call: (196) [system] string_concat(l, "e", _836288)
   Exit: (196) [system] string_concat(l, "e", "le")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "le")
   Call: (195) [system] string_concat(u, "le", _829788)
   Exit: (195) [system] string_concat(u, "le", "ule")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ule")
   Call: (194) [system] string_concat(r, "ule", _823288)
   Exit: (194) [system] string_concat(r, "ule", "rule")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "rule")
   Call: (193) [system] string_concat(' ', "rule", _816788)
   Exit: (193) [system] string_concat(' ', "rule", " rule")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), " rule")
   Call: (192) [system] string_concat(y, " rule", _810288)
   Exit: (192) [system] string_concat(y, " rule", "y rule")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "y rule")
   Call: (191) [system] string_concat(r, "y rule", _803788)
   Exit: (191) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "ry rule")
   Call: (190) [system] string_concat(a, "ry rule", _797288)
   Exit: (190) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "ary rule")
   Call: (189) [system] string_concat(n, "ary rule", _790788)
   Exit: (189) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "nary rule")
   Call: (188) [system] string_concat(i, "nary rule", _784288)
   Exit: (188) [system] string_concat(i, "nary rule", "inary rule")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "inary rule")
   Call: (187) [system] string_concat('B', "inary rule", _777788)
   Exit: (187) [system] string_concat('B', "inary rule", "Binary rule")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "Binary rule")
   Call: (186) [system] string_concat(' ', "Binary rule", _771288)
   Exit: (186) [system] string_concat(' ', "Binary rule", " Binary rule")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), " Binary rule")
   Call: (185) [system] string_concat(;, " Binary rule", _764788)
   Exit: (185) [system] string_concat(;, " Binary rule", "; Binary rule")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "; Binary rule")
   Call: (184) [system] string_concat(;, "; Binary rule", _758288)
   Exit: (184) [system] string_concat(;, "; Binary rule", ";; Binary rule")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";; Binary rule")
^  Call: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _899638)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _914716)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _688560)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _920286)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _934440)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _940010)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _941868)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _956022)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _940010)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _973664)
   Call: (185) [system] peek_char((0x558d99e6bec0), _974598)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _973664=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _940010)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_983908, _983910), once(user:catch(read_from_chars([=], _940010), _983884, fail)), '$restore_trace'(_983908, _983910))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_983908, _983910))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _983884, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _991408)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _993266)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1001004)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1003708)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1018786)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1024356)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1026214)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1040368)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1024356)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1045938)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1060092)
   Exit: (185) [system] peek_char((0x558d99e6bec0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1065662)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1067520)
   Exit: (187) [system] peek_char((0x558d99e6bec0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1081674)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, _1065662)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1099316)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1100250)
   Exit: (188) [system] peek_char((0x558d99e6bec0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1104970, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1105902, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x558d99e6bec0), y)
   Exit: (188) [system] get_char((0x558d99e6bec0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1113252)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1114186)
   Exit: (189) [system] peek_char((0x558d99e6bec0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1118906, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1119838, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x558d99e6bec0), n)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1127188)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1128122)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1132842, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1133774, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1141124)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1142058)
   Exit: (191) [system] peek_char((0x558d99e6bec0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1146778, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1147710, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x558d99e6bec0), h)
   Exit: (191) [system] get_char((0x558d99e6bec0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1155060)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1155994)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1160714, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1161646, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168996)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1169930)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1174650, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1175582, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1182932)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1183866)
   Exit: (194) [system] peek_char((0x558d99e6bec0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1188586, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1189518, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x558d99e6bec0), i)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1196868)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1197802)
   Exit: (195) [system] peek_char((0x558d99e6bec0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1202522, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1203454, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x558d99e6bec0), z)
   Exit: (195) [system] get_char((0x558d99e6bec0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1210804)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1211738)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1216458, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1217390, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1224740)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1225674)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1224740=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1210804=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (195) [system] _1196868=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (194) [system] _1182932=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (193) [system] _1168996=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (192) [system] _1155060=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (191) [system] _1141124=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (190) [system] _1127188=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1113252=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1099316=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1065662)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1260130, _1260132), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1065662), _1260106, fail)), '$restore_trace'(_1260130, _1260132))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1260130, _1260132))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1260106, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1267630)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1269488)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1277226)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1279930)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1295008)
   Exit: (186) [system] peek_char((0x558d99e6bec0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1300578)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1302436)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1316590)
   Exit: (187) [system] get_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _1300578)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334232)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1335166)
   Exit: (189) [system] peek_char((0x558d99e6bec0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1339886, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1340818, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x558d99e6bec0), q)
   Exit: (189) [system] get_char((0x558d99e6bec0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348168)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1349102)
   Exit: (190) [system] peek_char((0x558d99e6bec0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1353822, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1354754, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x558d99e6bec0), u)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362104)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1363038)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1367758, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1368690, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1376040)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1376974)
   Exit: (192) [system] peek_char((0x558d99e6bec0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1381694, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1382626, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x558d99e6bec0), r)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1389976)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1390910)
   Exit: (193) [system] peek_char((0x558d99e6bec0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1395630, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1396562, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x558d99e6bec0), y)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1403912)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1404846)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1403912=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1389976=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (192) [system] _1376040=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (191) [system] _1362104=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (190) [system] _1348168=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (189) [system] _1334232=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1300578)
   Call: (189) [system] atom_chars(_1428100, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1432764)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1434622)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1442360)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1445064)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1460142)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1465712)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1467570)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1481724)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _1465712)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1499366)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1500300)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1505020, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1505952, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x558d99e6bec0), k)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1513302)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1514236)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1518956, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1519888, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1527238)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1528172)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1527238=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1513302=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (190) [system] _1499366=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1465712)
   Call: (190) [system] atom_chars(_1543044, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1547708)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1549566)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1557304)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1560008)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1575086)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1580656)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1582514)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1596668)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1580656)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1614310)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1615244)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1619964, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1620896, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1628246)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1629180)
   Exit: (192) [system] peek_char((0x558d99e6bec0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1633900, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_1634832, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x558d99e6bec0), b)
   Exit: (192) [system] get_char((0x558d99e6bec0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1642182)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1643116)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1642182=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1628246=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (191) [system] _1614310=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1580656)
   Call: (191) [system] atom_chars(_1657988, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1662652)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1664510)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1672248)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1674952)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1690030)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _1695600)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1697458)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _1711612)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1695600)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1717182)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1731336)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1736906)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1738764)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1752918)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _1736906)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1770560)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1771494)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1770560=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _1736906)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1780804, _1780806), once(user:catch(read_from_chars(['S'], _1736906), _1780780, fail)), '$restore_trace'(_1780804, _1780806))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1780804, _1780806))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1736906), _1780780, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_1736906)
   Fail: (194) [system] atomic(_1736906)
   Call: (194) [system] atom_chars(_1736906, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1790180)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1792038)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1799776)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1802480)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1817558)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1823128)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1824986)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1839140)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _1823128)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856782)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1857716)
   Exit: (195) [system] peek_char((0x558d99e6bec0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1862436, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_1863368, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x558d99e6bec0), k)
   Exit: (195) [system] get_char((0x558d99e6bec0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1870718)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1871652)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1876372, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1870718=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1856782=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _1823128)
   Call: (195) [system] atom_chars(_1885602, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1890266)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1892124)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1906278)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1910068)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1890266=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1790180=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (191) [system] _1695600=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1921156)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1923014)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1937168)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _1940958)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _1921156=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _1662652=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [['S', _k]])
   Call: (188) [system] _1547708=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_rb, ['S', _k]])
   Call: (187) [system] _1432764=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _1267630=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _1024356=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1960428)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1962286)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x558d99e6bec0), _1971880)
   Exit: (185) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1974584)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _1982322)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1985026)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1992764)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1995468)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _2003206)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2005910)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _2023760)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _2029330)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2031188)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _2045342)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _2029330)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _2050912)
   Exit: (187) [system] peek_char((0x558d99e6bec0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2065066)
   Exit: (186) [system] peek_char((0x558d99e6bec0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _2070636)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _2072494)
   Exit: (188) [system] peek_char((0x558d99e6bec0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _2086648)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, _3430)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _10814)
   Call: (189) [system] peek_char((0x558d99e6bec0), _11748)
   Exit: (189) [system] peek_char((0x558d99e6bec0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_16468, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_17400, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x558d99e6bec0), e)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _24750)
   Call: (190) [system] peek_char((0x558d99e6bec0), _25684)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_30404, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_31336, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _38686)
   Call: (191) [system] peek_char((0x558d99e6bec0), _39620)
   Exit: (191) [system] peek_char((0x558d99e6bec0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_44340, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_45272, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x558d99e6bec0), *)
   Exit: (191) [system] get_char((0x558d99e6bec0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52622)
   Call: (192) [system] peek_char((0x558d99e6bec0), _53556)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _52622=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _38686=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [*])
   Call: (190) [system] _24750=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, *])
   Call: (189) [system] _10814=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _3430)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_71248, _71250), once(user:catch(read_from_chars([l, e, t, *], _3430), _71224, fail)), '$restore_trace'(_71248, _71250))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_71248, _71250))
   Call: (189) [system] atom_chars(_3430, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), 'let*')
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _8202)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _10060)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _17798)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _20502)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _35580)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _41150)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _43008)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _57162)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _41150)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _62732)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _76886)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _82456)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _84314)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _98468)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _82456)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _104038)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _118192)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _123762)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _125620)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _139774)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _123762)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _145344)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _159498)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _165068)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _166926)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _181080)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _165068)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198722)
   Call: (196) [system] peek_char((0x558d99e6bec0), _199656)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _198722=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _165068)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_208966, _208968), once(user:catch(read_from_chars([:], _165068), _208942, fail)), '$restore_trace'(_208966, _208968))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_208966, _208968))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _208942, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _216466)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _218324)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _226062)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228766)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _243844)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _249414)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _251272)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _265426)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _249414)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _283068)
   Call: (197) [system] peek_char((0x558d99e6bec0), _284002)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_288722, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_289654, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _297004)
   Call: (198) [system] peek_char((0x558d99e6bec0), _297938)
   Exit: (198) [system] peek_char((0x558d99e6bec0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_302658, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_303590, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x558d99e6bec0), u)
   Exit: (198) [system] get_char((0x558d99e6bec0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310940)
   Call: (199) [system] peek_char((0x558d99e6bec0), _311874)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_316594, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_317526, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324876)
   Call: (200) [system] peek_char((0x558d99e6bec0), _325810)
   Exit: (200) [system] peek_char((0x558d99e6bec0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_330530, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_331462, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x558d99e6bec0), t)
   Exit: (200) [system] get_char((0x558d99e6bec0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338812)
   Call: (201) [system] peek_char((0x558d99e6bec0), _339746)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_344466, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_345398, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352748)
   Call: (202) [system] peek_char((0x558d99e6bec0), _353682)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_358402, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_359334, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366684)
   Call: (203) [system] peek_char((0x558d99e6bec0), _367618)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _366684=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _352748=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (201) [system] _338812=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (200) [system] _324876=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (199) [system] _310940=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (198) [system] _297004=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (197) [system] _283068=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _249414)
   Call: (197) [system] atom_chars(_393666, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _398330)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _400188)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _407926)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _410630)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _425708)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _431278)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _433136)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _447290)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _431278)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _452860)
   Exit: (198) [system] peek_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _467014)
   Exit: (197) [system] peek_char((0x558d99e6bec0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _472584)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _474442)
   Exit: (199) [system] peek_char((0x558d99e6bec0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _488596)
   Exit: (198) [system] get_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, _472584)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506238)
   Call: (200) [system] peek_char((0x558d99e6bec0), _507172)
   Exit: (200) [system] peek_char((0x558d99e6bec0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_511892, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_512824, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x558d99e6bec0), >)
   Exit: (200) [system] get_char((0x558d99e6bec0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520174)
   Call: (201) [system] peek_char((0x558d99e6bec0), _521108)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _520174=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _506238=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _472584)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_533212, _533214), once(user:catch(read_from_chars([-, >], _472584), _533188, fail)), '$restore_trace'(_533212, _533214))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_533212, _533214))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _533188, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _540712)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _542570)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _550308)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _553012)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _568090)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _573660)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _575518)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _589672)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _573660)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _607314)
   Call: (201) [system] peek_char((0x558d99e6bec0), _608248)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_612968, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_613900, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _621250)
   Call: (202) [system] peek_char((0x558d99e6bec0), _622184)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_626904, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_627836, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _635186)
   Call: (203) [system] peek_char((0x558d99e6bec0), _636120)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_640840, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_641772, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649122)
   Call: (204) [system] peek_char((0x558d99e6bec0), _650056)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_654776, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_655708, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663058)
   Call: (205) [system] peek_char((0x558d99e6bec0), _663992)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_668712, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_669644, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _676994)
   Call: (206) [system] peek_char((0x558d99e6bec0), _677928)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_682648, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_683580, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _690930)
   Call: (207) [system] peek_char((0x558d99e6bec0), _691864)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_696584, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_697516, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _704866)
   Call: (208) [system] peek_char((0x558d99e6bec0), _705800)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_710520, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_711452, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _718802)
   Call: (209) [system] peek_char((0x558d99e6bec0), _719736)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _718802=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _704866=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _690930=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (206) [system] _676994=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (205) [system] _663058=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (204) [system] _649122=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (203) [system] _635186=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (202) [system] _621250=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _607314=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _573660)
   Call: (201) [system] atom_chars(_751372, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _756036)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _757894)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _765632)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _768336)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _783414)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _788984)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _790842)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _804996)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _788984)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _822638)
   Call: (202) [system] peek_char((0x558d99e6bec0), _823572)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_828292, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_829224, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _836574)
   Call: (203) [system] peek_char((0x558d99e6bec0), _837508)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_842228, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_843160, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _850510)
   Call: (204) [system] peek_char((0x558d99e6bec0), _851444)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_856164, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_857096, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _864446)
   Call: (205) [system] peek_char((0x558d99e6bec0), _865380)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_870100, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_871032, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _878382)
   Call: (206) [system] peek_char((0x558d99e6bec0), _879316)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_884036, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_884968, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892318)
   Call: (207) [system] peek_char((0x558d99e6bec0), _893252)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_897972, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_898904, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _906254)
   Call: (208) [system] peek_char((0x558d99e6bec0), _907188)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_911908, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_912840, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _920190)
   Call: (209) [system] peek_char((0x558d99e6bec0), _921124)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_925844, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_926776, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934126)
   Call: (210) [system] peek_char((0x558d99e6bec0), _935060)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _934126=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _920190=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _906254=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (207) [system] _892318=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (206) [system] _878382=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (205) [system] _864446=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (204) [system] _850510=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (203) [system] _836574=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _822638=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _788984)
   Call: (202) [system] atom_chars(_966696, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _971360)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _973218)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _980956)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _983660)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _998738)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1004308)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1006166)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1020320)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1004308)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037962)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1038896)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1043616, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1044548, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x558d99e6bec0), c)
   Exit: (203) [system] get_char((0x558d99e6bec0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051898)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1052832)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1057552, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1058484, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065834)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1066768)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1071488, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1072420, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1079770)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1080704)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1085424, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1086356, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x558d99e6bec0), c)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093706)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1094640)
   Exit: (207) [system] peek_char((0x558d99e6bec0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_1099360, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_1100292, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x558d99e6bec0), l)
   Exit: (207) [system] get_char((0x558d99e6bec0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107642)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1108576)
   Exit: (208) [system] peek_char((0x558d99e6bec0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1113296, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1114228, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x558d99e6bec0), u)
   Exit: (208) [system] get_char((0x558d99e6bec0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121578)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1122512)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1127232, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1128164, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1135514)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1136448)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1141168, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1142100, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1149450)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1150384)
   Exit: (211) [system] peek_char((0x558d99e6bec0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1155104, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1156036, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x558d99e6bec0), o)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1163386)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1164320)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1169040, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1169972, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1177322)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1178256)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1182976, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1177322=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1163386=[n]
   Exit: (212) [system] [n]=[n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (211) [system] _1149450=[o, n]
   Exit: (211) [system] [o, n]=[o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (210) [system] _1135514=[i, o, n]
   Exit: (210) [system] [i, o, n]=[i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (209) [system] _1121578=[s, i, o, n]
   Exit: (209) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (208) [system] _1107642=[u, s, i, o, n]
   Exit: (208) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (207) [system] _1093706=[l, u, s, i, o, n]
   Exit: (207) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (206) [system] _1079770=[c, l, u, s, i, o, n]
   Exit: (206) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (205) [system] _1065834=[n, c, l, u, s, i, o, n]
   Exit: (205) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (204) [system] _1051898=[o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (203) [system] _1037962=[c, o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1004308)
   Call: (203) [system] atom_chars(_1217352, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (203) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1222016)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1223874)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1238028)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1241818)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1222016=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _971360=[_conclusion]
   Exit: (200) [system] [_conclusion]=[_conclusion]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (199) [system] _756036=[_premise2, _conclusion]
   Exit: (199) [system] [_premise2, _conclusion]=[_premise2, _conclusion]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise2, _conclusion])
   Call: (198) [system] _540712=[_premise1, _premise2, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _conclusion]=[_premise1, _premise2, _conclusion]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise1, _premise2, _conclusion])
   Call: (197) [system] _431278=[->, _premise1, _premise2, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _conclusion]=[->, _premise1, _premise2, _conclusion]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [->, _premise1, _premise2, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _premise1, _premise2, _conclusion])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1258494)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1260352)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1274506)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1278296)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1258494=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _398330=[[->, _premise1, _premise2, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _conclusion]]=[[->, _premise1, _premise2, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[->, _premise1, _premise2, _conclusion]])
   Call: (194) [system] _216466=[_ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _conclusion]]=[_ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (193) [system] _123762=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1292178)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1294036)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1301774)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1304478)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1319556)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1325126)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1326984)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1341138)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1325126)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1346708)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1360862)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1366432)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1368290)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1382444)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1366432)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1400086)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1401020)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1405740, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1406672, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1414022)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1414956)
   Exit: (198) [system] peek_char((0x558d99e6bec0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1419676, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1420608, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x558d99e6bec0), b)
   Exit: (198) [system] get_char((0x558d99e6bec0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1427958)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1428892)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1433612, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1427958=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1414022=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (197) [system] _1400086=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1366432)
   Call: (197) [system] atom_chars(_1445636, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1450300)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1452158)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1466312)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1470102)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1450300=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1325126=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [_rb])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1478396)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1480254)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1494408)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1498198)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1478396=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1292178=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[_rb]])
   Call: (191) [system] _82456=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1509286)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1511144)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1520738)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1523442)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1531180)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1533884)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1541622)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1544326)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1552064)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1554768)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1562506)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1565210)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1572948)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1575652)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1583390)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1586094)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1593832)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1596536)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1604274)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1606978)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1614716)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1617420)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1625158)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1627862)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1652180)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1657750)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1659608)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1673762)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1657750)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1679332)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1693486)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1699056)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1700914)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1715068)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1699056)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1720638)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1734792)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1740362)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1742220)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1756374)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _1740362)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1774016)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1774950)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1774016=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1740362)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1784260, _1784262), once(user:catch(read_from_chars([:], _1740362), _1784236, fail)), '$restore_trace'(_1784260, _1784262))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1784260, _1784262))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1784236, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1791760)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1793618)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1801356)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1804060)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1819138)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1824708)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1826566)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1840720)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1824708)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1846290)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1860444)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1866014)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1867872)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1882026)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1866014)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899668)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1900602)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1905322, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1906254, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1913604)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1914538)
   Exit: (201) [system] peek_char((0x558d99e6bec0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1919258, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_1920190, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x558d99e6bec0), u)
   Exit: (201) [system] get_char((0x558d99e6bec0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1927540)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1928474)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1933194, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1934126, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1941476)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1942410)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1947130, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1948062, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1955412)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1956346)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1961066, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1961998, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1969348)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1970282)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1975002, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1975934, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1983284)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1984218)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1983284=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1969348=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (204) [system] _1955412=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (203) [system] _1941476=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (202) [system] _1927540=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (201) [system] _1913604=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (200) [system] _1899668=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1866014)
   Call: (200) [system] atom_chars(_2010266, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _2014930)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2016788)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _2024526)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2027230)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2042308)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _2047878)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2049736)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _2063890)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _2047878)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2081532)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2082466)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2087186, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2088118, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2095468)
   Call: (202) [system] peek_char((0x558d99e6bec0), _3574)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_7944, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_8876, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _16226)
   Call: (203) [system] peek_char((0x558d99e6bec0), _17160)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_21880, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_22812, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _30162)
   Call: (204) [system] peek_char((0x558d99e6bec0), _31096)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_35816, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_36748, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _44098)
   Call: (205) [system] peek_char((0x558d99e6bec0), _45032)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_49752, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_50684, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _58034)
   Call: (206) [system] peek_char((0x558d99e6bec0), _58968)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_63688, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_64620, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x558d99e6bec0), '1')
   Exit: (206) [system] get_char((0x558d99e6bec0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _71970)
   Call: (207) [system] peek_char((0x558d99e6bec0), _72904)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _71970=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _58034=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (205) [system] _44098=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (204) [system] _30162=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (203) [system] _16226=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (202) [system] _3570=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (201) [system] _3566=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _3562)
   Call: (201) [system] atom_chars(_98952, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _103616)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _105474)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _113212)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _115916)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _130994)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _136564)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _138422)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _152576)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _136564)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _170218)
   Call: (202) [system] peek_char((0x558d99e6bec0), _171152)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_175872, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_176804, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _184154)
   Call: (203) [system] peek_char((0x558d99e6bec0), _185088)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_189808, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_190740, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198090)
   Call: (204) [system] peek_char((0x558d99e6bec0), _199024)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_203744, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_204676, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212026)
   Call: (205) [system] peek_char((0x558d99e6bec0), _212960)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_217680, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_218612, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _225962)
   Call: (206) [system] peek_char((0x558d99e6bec0), _226896)
   Exit: (206) [system] peek_char((0x558d99e6bec0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_231616, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_232548, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x558d99e6bec0), f)
   Exit: (206) [system] get_char((0x558d99e6bec0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _239898)
   Call: (207) [system] peek_char((0x558d99e6bec0), _240832)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_245552, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_246484, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x558d99e6bec0), '2')
   Exit: (207) [system] get_char((0x558d99e6bec0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _253834)
   Call: (208) [system] peek_char((0x558d99e6bec0), _254768)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_259488, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _253834=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _239898=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (206) [system] _225962=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (205) [system] _212026=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (204) [system] _198090=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (203) [system] _184154=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (202) [system] _170218=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _136564)
   Call: (202) [system] atom_chars(_282688, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _287352)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _289210)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _303364)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _307154)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _287352=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _103616=[_proof2]
   Exit: (199) [system] [_proof2]=[_proof2]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_proof2])
   Call: (198) [system] _3558=[_proof1, _proof2]
   Exit: (198) [system] [_proof1, _proof2]=[_proof1, _proof2]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof1, _proof2])
   Call: (197) [system] _3546=[_ructor, _proof1, _proof2]
   Exit: (197) [system] [_ructor, _proof1, _proof2]=[_ructor, _proof1, _proof2]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _321036)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _322894)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _330632)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _333336)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _348414)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _353984)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _355842)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _369996)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _353984)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _387638)
   Call: (199) [system] peek_char((0x558d99e6bec0), _388572)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_393292, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_394224, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _401574)
   Call: (200) [system] peek_char((0x558d99e6bec0), _402508)
   Exit: (200) [system] peek_char((0x558d99e6bec0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_407228, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_408160, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x558d99e6bec0), o)
   Exit: (200) [system] get_char((0x558d99e6bec0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _415510)
   Call: (201) [system] peek_char((0x558d99e6bec0), _416444)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_421164, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_422096, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _429446)
   Call: (202) [system] peek_char((0x558d99e6bec0), _430380)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_435100, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_436032, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443382)
   Call: (203) [system] peek_char((0x558d99e6bec0), _444316)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_449036, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_449968, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _457318)
   Call: (204) [system] peek_char((0x558d99e6bec0), _458252)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_462972, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_463904, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _471254)
   Call: (205) [system] peek_char((0x558d99e6bec0), _472188)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_476908, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_477840, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _485190)
   Call: (206) [system] peek_char((0x558d99e6bec0), _486124)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_490844, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_491776, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _499126)
   Call: (207) [system] peek_char((0x558d99e6bec0), _500060)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_504780, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_505712, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _513062)
   Call: (208) [system] peek_char((0x558d99e6bec0), _513996)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_518716, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_519648, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _526998)
   Call: (209) [system] peek_char((0x558d99e6bec0), _527932)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_532652, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _526998=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _513062=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (207) [system] _499126=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (206) [system] _485190=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (205) [system] _471254=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (204) [system] _457318=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (203) [system] _443382=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (202) [system] _429446=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (201) [system] _415510=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _401574=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _387638=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _353984)
   Call: (199) [system] atom_chars(_567028, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _571692)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _573550)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _587704)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _591494)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _571692=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _321036=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (195) [system] _3542=[[_ructor, _proof1, _proof2], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2], _conclusion]=[[_ructor, _proof1, _proof2], _conclusion]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[_ructor, _proof1, _proof2], _conclusion])
   Call: (194) [system] _3534=[:, [_ructor, _proof1, _proof2], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=[:, [_ructor, _proof1, _proof2], _conclusion]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _605376)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _607234)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _614972)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _617676)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _632754)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _638324)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _640182)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _654336)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _638324)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _671978)
   Call: (196) [system] peek_char((0x558d99e6bec0), _672912)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_677632, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_678564, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _685914)
   Call: (197) [system] peek_char((0x558d99e6bec0), _686848)
   Exit: (197) [system] peek_char((0x558d99e6bec0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_691568, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_692500, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x558d99e6bec0), u)
   Exit: (197) [system] get_char((0x558d99e6bec0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _699850)
   Call: (198) [system] peek_char((0x558d99e6bec0), _700784)
   Exit: (198) [system] peek_char((0x558d99e6bec0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_705504, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_706436, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x558d99e6bec0), e)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713786)
   Call: (199) [system] peek_char((0x558d99e6bec0), _714720)
   Exit: (199) [system] peek_char((0x558d99e6bec0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_719440, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_720372, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x558d99e6bec0), r)
   Exit: (199) [system] get_char((0x558d99e6bec0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _727722)
   Call: (200) [system] peek_char((0x558d99e6bec0), _728656)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_733376, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_734308, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _741658)
   Call: (201) [system] peek_char((0x558d99e6bec0), _742592)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_747312, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _741658=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _727722=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (199) [system] _713786=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (198) [system] _699850=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (197) [system] _685914=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (196) [system] _671978=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _638324)
   Call: (196) [system] atom_chars(_767718, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _772382)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _774240)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _788394)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _792184)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _772382=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _605376=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (192) [system] _3528=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _803272)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _805130)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x558d99e6bec0), _814724)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _817428)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _825166)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _827870)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _835608)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _838312)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _846050)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _848754)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _856492)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _859196)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _866934)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _869638)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _877376)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _880080)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _887818)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _890522)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _898260)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _900964)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _908702)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _911406)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _919144)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _921848)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _946166)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _951736)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _953594)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _967748)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _951736)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _973318)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _987472)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _993042)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _994900)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1009054)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _993042)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1014624)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1028778)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1034348)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1036206)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1050360)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _1034348)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1068002)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1068936)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1068002=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _1034348)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1078246, _1078248), once(user:catch(read_from_chars([:], _1034348), _1078222, fail)), '$restore_trace'(_1078246, _1078248))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1078246, _1078248))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1078222, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1085746)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1087604)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1095342)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1098046)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1113124)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1118694)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1120552)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1134706)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _1118694)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1152348)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1153282)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1158002, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1158934, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1166284)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1167218)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1171938, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1172870, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1180220)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1181154)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1185874, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1186806, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1194156)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1195090)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1199810, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1200742, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1208092)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1209026)
   Exit: (203) [system] peek_char((0x558d99e6bec0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1213746, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1214678, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x558d99e6bec0), f)
   Exit: (203) [system] get_char((0x558d99e6bec0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1222028)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1222962)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1227682, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1228614, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x558d99e6bec0), '1')
   Exit: (204) [system] get_char((0x558d99e6bec0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1235964)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1236898)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1235964=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1222028=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (203) [system] _1208092=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (202) [system] _1194156=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (201) [system] _1180220=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (200) [system] _1166284=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (199) [system] _1152348=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1118694)
   Call: (199) [system] atom_chars(_1262946, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1267610)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1269468)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1277206)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1279910)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1294988)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1300558)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1302416)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1316570)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1300558)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334212)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1335146)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1339866, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1340798, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348148)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1349082)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1353802, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1354734, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362084)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1363018)
   Exit: (202) [system] peek_char((0x558d99e6bec0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1367738, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1368670, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x558d99e6bec0), e)
   Exit: (202) [system] get_char((0x558d99e6bec0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1376020)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1376954)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1381674, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1382606, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1389956)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1390890)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1395610, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1396542, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1403892)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1404826)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1409546, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1410478, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1417828)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1418762)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1423482, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1424414, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1431764)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1432698)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1437418, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_1438350, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x558d99e6bec0), '1')
   Exit: (207) [system] get_char((0x558d99e6bec0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1445700)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1446634)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1451354, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1445700=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1431764=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (206) [system] _1417828=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (205) [system] _1403892=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (204) [system] _1389956=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (203) [system] _1376020=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (202) [system] _1362084=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (201) [system] _1348148=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1334212=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1300558)
   Call: (200) [system] atom_chars(_1480142, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1484806)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1486664)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1500818)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1504608)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1484806=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1267610=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (196) [system] _1085746=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (195) [system] _993042=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1518490)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1520348)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1528086)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1530790)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1545868)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1551438)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1553296)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1567450)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1551438)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1573020)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1587174)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1592744)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1594602)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1608756)
   Exit: (197) [system] get_char((0x558d99e6bec0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, _1592744)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1626398)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1627332)
   Exit: (199) [system] peek_char((0x558d99e6bec0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1632052, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_1632984, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x558d99e6bec0), y)
   Exit: (199) [system] get_char((0x558d99e6bec0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1640334)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1641268)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1645988, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1646920, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1654270)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1655204)
   Exit: (201) [system] peek_char((0x558d99e6bec0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1659924, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_1660856, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x558d99e6bec0), t)
   Exit: (201) [system] get_char((0x558d99e6bec0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1668206)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1669140)
   Exit: (202) [system] peek_char((0x558d99e6bec0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1673860, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_1674792, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x558d99e6bec0), h)
   Exit: (202) [system] get_char((0x558d99e6bec0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1682142)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1683076)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1687796, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1688728, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1696078)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1697012)
   Exit: (204) [system] peek_char((0x558d99e6bec0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1701732, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_1702664, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x558d99e6bec0), s)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1710014)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1710948)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1715668, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1716600, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1723950)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1724884)
   Exit: (206) [system] peek_char((0x558d99e6bec0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1729604, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_1730536, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x558d99e6bec0), z)
   Exit: (206) [system] get_char((0x558d99e6bec0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1737886)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1738820)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1743540, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1744472, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1751822)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1752756)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1751822=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1737886=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _1723950=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (205) [system] _1710014=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (204) [system] _1696078=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (203) [system] _1682142=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (202) [system] _1668206=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (201) [system] _1654270=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (200) [system] _1640334=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1626398=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1592744)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1787212, _1787214), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1592744), _1787188, fail)), '$restore_trace'(_1787212, _1787214))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1787212, _1787214))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1787188, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1794712)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1796570)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1804308)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1807012)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1822090)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1827660)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1829518)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1843672)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1827660)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1849242)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1863396)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1868966)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1870824)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1884978)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _1868966)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1902620)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1903554)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1902620=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1868966)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1912864, _1912866), once(user:catch(read_from_chars([:], _1868966), _1912840, fail)), '$restore_trace'(_1912864, _1912866))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1912864, _1912866))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1912840, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1920364)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1922222)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1929960)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1932664)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1947742)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1953312)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1955170)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1969324)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1953312)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1986966)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1987900)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1992620, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1993552, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2000902)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2001836)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_2006556, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_2007488, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2014838)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2015772)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_2020492, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_2021424, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2028774)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2029708)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_2034428, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_2035360, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2042710)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2043644)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_2048364, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_2049296, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2056646)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2057580)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_2062300, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_2063232, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2070582)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2071516)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _2070582=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _2056646=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _2042710=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (206) [system] _2028774=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (205) [system] _2014838=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (204) [system] _2000902=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (203) [system] _1986966=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _3664)
   Call: (203) [system] atom_chars(_4458, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _9122)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _10980)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _18718)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _21422)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _36500)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _42070)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _43928)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _58082)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _42070)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _75724)
   Call: (204) [system] peek_char((0x558d99e6bec0), _76658)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_81378, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_82310, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _89660)
   Call: (205) [system] peek_char((0x558d99e6bec0), _90594)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_95314, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_96246, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _103596)
   Call: (206) [system] peek_char((0x558d99e6bec0), _104530)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_109250, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_110182, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _117532)
   Call: (207) [system] peek_char((0x558d99e6bec0), _118466)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_123186, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_124118, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _131468)
   Call: (208) [system] peek_char((0x558d99e6bec0), _132402)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_137122, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_138054, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _145404)
   Call: (209) [system] peek_char((0x558d99e6bec0), _146338)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_151058, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_151990, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _159340)
   Call: (210) [system] peek_char((0x558d99e6bec0), _160274)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_164994, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_165926, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _173276)
   Call: (211) [system] peek_char((0x558d99e6bec0), _174210)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_178930, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_179862, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x558d99e6bec0), '1')
   Exit: (211) [system] get_char((0x558d99e6bec0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _187212)
   Call: (212) [system] peek_char((0x558d99e6bec0), _188146)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_192866, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _187212=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _173276=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (210) [system] _159340=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (209) [system] _145404=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (208) [system] _131468=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (207) [system] _117532=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (206) [system] _103596=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (205) [system] _89660=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _75724=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _42070)
   Call: (204) [system] atom_chars(_221654, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _226318)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _228176)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _242330)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _246120)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _226318=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _9122=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (200) [system] _3660=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (199) [system] _3652=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _260002)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _261860)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _269598)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _272302)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _287380)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _292950)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _294808)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _308962)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _292950)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _326604)
   Call: (201) [system] peek_char((0x558d99e6bec0), _327538)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_332258, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_333190, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _340540)
   Call: (202) [system] peek_char((0x558d99e6bec0), _341474)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_346194, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_347126, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _354476)
   Call: (203) [system] peek_char((0x558d99e6bec0), _355410)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _354476=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _340540=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (201) [system] _326604=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _292950)
   Call: (201) [system] atom_chars(_370282, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _374946)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _376804)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _384542)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _387246)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _402324)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _407894)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _409752)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _423906)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _407894)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _441548)
   Call: (202) [system] peek_char((0x558d99e6bec0), _442482)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_447202, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_448134, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _455484)
   Call: (203) [system] peek_char((0x558d99e6bec0), _456418)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_461138, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_462070, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _469420)
   Call: (204) [system] peek_char((0x558d99e6bec0), _470354)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _469420=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _455484=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _441548=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _407894)
   Call: (202) [system] atom_chars(_485226, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _489890)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _491748)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _499486)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _502190)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _517268)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _522838)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _524696)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _538850)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _522838)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _556492)
   Call: (203) [system] peek_char((0x558d99e6bec0), _557426)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_562146, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_563078, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _570428)
   Call: (204) [system] peek_char((0x558d99e6bec0), _571362)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_576082, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _570428=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _556492=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _522838)
   Call: (203) [system] atom_chars(_585312, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _589976)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _591834)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _605988)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _609778)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _589976=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _489890=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (199) [system] _374946=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (198) [system] _260002=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (197) [system] _3648=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3640=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _629248)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _631106)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _645260)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _649050)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _629248=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _3636=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3602=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _660138)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _661996)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _671590)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _674294)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _682032)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _684736)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _692474)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _695178)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _702916)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _705620)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _713358)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _716062)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _723800)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _726504)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _734242)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _736946)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _744684)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _747388)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _755126)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _757830)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _765568)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _768272)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _776010)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _778714)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _803032)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _808602)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _810460)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _824614)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _808602)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _830184)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _844338)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _849908)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _851766)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _865920)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _849908)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _871490)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _885644)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _891214)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _893072)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _907226)
   Exit: (197) [system] get_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, _891214)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _924868)
   Call: (199) [system] peek_char((0x558d99e6bec0), _925802)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _924868=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _891214)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_935112, _935114), once(user:catch(read_from_chars([:], _891214), _935088, fail)), '$restore_trace'(_935112, _935114))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_935112, _935114))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _935088, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _942612)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _944470)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _952208)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _954912)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _969990)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _975560)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _977418)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _991572)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _975560)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1009214)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1010148)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1014868, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1015800, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1023150)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1024084)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1028804, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1029736, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037086)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1038020)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1042740, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1043672, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051022)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1051956)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1056676, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1057608, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1064958)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1065892)
   Exit: (204) [system] peek_char((0x558d99e6bec0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1070612, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1071544, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x558d99e6bec0), f)
   Exit: (204) [system] get_char((0x558d99e6bec0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1078894)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1079828)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1084548, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1085480, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x558d99e6bec0), '2')
   Exit: (205) [system] get_char((0x558d99e6bec0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1092830)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1093764)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1092830=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1078894=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (204) [system] _1064958=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (203) [system] _1051022=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (202) [system] _1037086=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (201) [system] _1023150=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (200) [system] _1009214=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _975560)
   Call: (200) [system] atom_chars(_1119812, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1124476)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1126334)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1134072)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1136776)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1151854)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1157424)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1159282)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1173436)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1157424)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1191078)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1192012)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1196732, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1197664, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1205014)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1205948)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1210668, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1211600, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1218950)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1219884)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1224604, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1225536, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1232886)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1233820)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1238540, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1239472, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1246822)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1247756)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1252476, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1253408, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1260758)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1261692)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1266412, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1267344, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1274694)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1275628)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1280348, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1281280, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1288630)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1289564)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_1294284, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_1295216, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x558d99e6bec0), '2')
   Exit: (208) [system] get_char((0x558d99e6bec0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1302566)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1303500)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1308220, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1302566=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1288630=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (207) [system] _1274694=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (206) [system] _1260758=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (205) [system] _1246822=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (204) [system] _1232886=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (203) [system] _1218950=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (202) [system] _1205014=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _1191078=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _1157424)
   Call: (201) [system] atom_chars(_1337008, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1341672)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1343530)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1357684)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _1361474)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _1341672=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1124476=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (197) [system] _942612=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (196) [system] _849908=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1375356)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1377214)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1384952)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1387656)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1402734)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1408304)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1410162)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1424316)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1408304)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1429886)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1444040)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1449610)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1451468)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1465622)
   Exit: (198) [system] get_char((0x558d99e6bec0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, _1449610)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1483264)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1484198)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1488918, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1489850, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1497200)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1498134)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1502854, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1503786, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1511136)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1512070)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1516790, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1517722, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1525072)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1526006)
   Exit: (203) [system] peek_char((0x558d99e6bec0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1530726, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1531658, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x558d99e6bec0), h)
   Exit: (203) [system] get_char((0x558d99e6bec0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1539008)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1539942)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1544662, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1545594, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1552944)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1553878)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1558598, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1559530, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1566880)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1567814)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1572534, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1573466, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1580816)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1581750)
   Exit: (207) [system] peek_char((0x558d99e6bec0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_1586470, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_1587402, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x558d99e6bec0), z)
   Exit: (207) [system] get_char((0x558d99e6bec0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594752)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1595686)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1600406, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1601338, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1608688)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1609622)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1608688=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1594752=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (207) [system] _1580816=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (206) [system] _1566880=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (205) [system] _1552944=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (204) [system] _1539008=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (203) [system] _1525072=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (202) [system] _1511136=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (201) [system] _1497200=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1483264=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1449610)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1644078, _1644080), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1449610), _1644054, fail)), '$restore_trace'(_1644078, _1644080))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1644078, _1644080))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1644054, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1651578)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1653436)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1661174)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1663878)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1678956)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1684526)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1686384)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1700538)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1684526)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1706108)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1720262)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1725832)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1727690)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1741844)
   Exit: (201) [system] get_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, _1725832)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1759486)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1760420)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1759486=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _1725832)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1769730, _1769732), once(user:catch(read_from_chars([:], _1725832), _1769706, fail)), '$restore_trace'(_1769730, _1769732))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1769730, _1769732))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1769706, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1777230)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1779088)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1786826)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1789530)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1804608)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1810178)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1812036)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1826190)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1810178)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1843832)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1844766)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1849486, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1850418, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1857768)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1858702)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1863422, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1864354, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1871704)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1872638)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1877358, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1878290, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1885640)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1886574)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1891294, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1892226, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899576)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1900510)
   Exit: (208) [system] peek_char((0x558d99e6bec0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1905230, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1906162, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x558d99e6bec0), f)
   Exit: (208) [system] get_char((0x558d99e6bec0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1913512)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1914446)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1919166, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1920098, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1927448)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1928382)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1927448=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1913512=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _1899576=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (207) [system] _1885640=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (206) [system] _1871704=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (205) [system] _1857768=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (204) [system] _1843832=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1810178)
   Call: (204) [system] atom_chars(_1954430, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1959094)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1960952)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1968690)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1971394)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1986472)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1992042)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1993900)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _2008054)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1992042)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2025696)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2026630)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_2031350, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_2032282, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2039632)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2040566)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_2045286, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_2046218, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2053568)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2054502)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_2059222, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_2060154, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2067504)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2068438)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_2073158, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_2074090, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2081440)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2082374)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_2087094, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_2088026, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2095376)
   Call: (210) [system] peek_char((0x558d99e6bec0), _3814)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_8034, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_8966, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _16316)
   Call: (211) [system] peek_char((0x558d99e6bec0), _17250)
   Exit: (211) [system] peek_char((0x558d99e6bec0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_21970, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_22902, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x558d99e6bec0), e)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _30252)
   Call: (212) [system] peek_char((0x558d99e6bec0), _31186)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_35906, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_36838, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x558d99e6bec0), '2')
   Exit: (212) [system] get_char((0x558d99e6bec0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _44188)
   Call: (213) [system] peek_char((0x558d99e6bec0), _45122)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_49842, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _44188=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _30252=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (211) [system] _16316=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (210) [system] _3810=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (209) [system] _3806=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (208) [system] _3802=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (207) [system] _3798=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (206) [system] _3794=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _3790=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _3786)
   Call: (205) [system] atom_chars(_78630, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _83294)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _85152)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _99306)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _103096)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _83294=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _3782=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (201) [system] _3772=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (200) [system] _3764=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _116978)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _118836)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _126574)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _129278)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _144356)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _149926)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _151784)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _165938)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _149926)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _183580)
   Call: (202) [system] peek_char((0x558d99e6bec0), _184514)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_189234, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_190166, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _197516)
   Call: (203) [system] peek_char((0x558d99e6bec0), _198450)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_203170, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_204102, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _211452)
   Call: (204) [system] peek_char((0x558d99e6bec0), _212386)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _211452=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _197516=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _183580=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _149926)
   Call: (202) [system] atom_chars(_227258, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _231922)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _233780)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _241518)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _244222)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _259300)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _264870)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _266728)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _280882)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _264870)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _298524)
   Call: (203) [system] peek_char((0x558d99e6bec0), _299458)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_304178, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_305110, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _312460)
   Call: (204) [system] peek_char((0x558d99e6bec0), _313394)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_318114, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_319046, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _326396)
   Call: (205) [system] peek_char((0x558d99e6bec0), _327330)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _326396=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _312460=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _298524=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _264870)
   Call: (203) [system] atom_chars(_342202, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _346866)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _348724)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _356462)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _359166)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _374244)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _379814)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _381672)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _395826)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _379814)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _413468)
   Call: (204) [system] peek_char((0x558d99e6bec0), _414402)
   Exit: (204) [system] peek_char((0x558d99e6bec0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_419122, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_420054, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x558d99e6bec0), k)
   Exit: (204) [system] get_char((0x558d99e6bec0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _427404)
   Call: (205) [system] peek_char((0x558d99e6bec0), _428338)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_433058, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _427404=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _413468=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _379814)
   Call: (204) [system] atom_chars(_442288, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _446952)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _448810)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _462964)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _466754)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _446952=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _346866=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (200) [system] _231922=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (199) [system] _116978=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (198) [system] _3760=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3752=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _486224)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _488082)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _502236)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _506026)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _486224=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _3748=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3714=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _517114)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _518972)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _533126)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _536916)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _517114=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _3710=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (191) [system] _3598=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (190) [system] _3524=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _553592)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _555450)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x558d99e6bec0), _565044)
   Exit: (189) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _567748)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _575486)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _578190)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _585928)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _588632)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _596370)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _599074)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _606812)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _609516)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _617254)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _619958)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _639656)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _645226)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _647084)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _661238)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _645226)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _678880)
   Call: (191) [system] peek_char((0x558d99e6bec0), _679814)
   Exit: (191) [system] peek_char((0x558d99e6bec0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_684534, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_685466, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x558d99e6bec0), q)
   Exit: (191) [system] get_char((0x558d99e6bec0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692816)
   Call: (192) [system] peek_char((0x558d99e6bec0), _693750)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_698470, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_699402, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _706752)
   Call: (193) [system] peek_char((0x558d99e6bec0), _707686)
   Exit: (193) [system] peek_char((0x558d99e6bec0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_712406, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_713338, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x558d99e6bec0), e)
   Exit: (193) [system] get_char((0x558d99e6bec0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _720688)
   Call: (194) [system] peek_char((0x558d99e6bec0), _721622)
   Exit: (194) [system] peek_char((0x558d99e6bec0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_726342, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_727274, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x558d99e6bec0), r)
   Exit: (194) [system] get_char((0x558d99e6bec0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _734624)
   Call: (195) [system] peek_char((0x558d99e6bec0), _735558)
   Exit: (195) [system] peek_char((0x558d99e6bec0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_740278, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_741210, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x558d99e6bec0), y)
   Exit: (195) [system] get_char((0x558d99e6bec0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _748560)
   Call: (196) [system] peek_char((0x558d99e6bec0), _749494)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_754214, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _748560=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _734624=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (194) [system] _720688=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (193) [system] _706752=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (192) [system] _692816=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (191) [system] _678880=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _645226)
   Call: (191) [system] atom_chars(_774620, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _779284)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _781142)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _795296)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _799086)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _779284=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _553592=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _812968)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _814826)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _828980)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _832770)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _812968=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944)), read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_851288, _851290, _851292, _851294, _851296))
^  Exit: (177) [user] retract(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _854136))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _854136)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _854136)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _856952))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _856952))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _856952)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _859752))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _859752)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _859752)
   Call: (187) [system] var('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] atom('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==true
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==false
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==[_866272, _866278]
   Call: (187) [system] is_list('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] string('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _870906, _870908)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _874648)
   Call: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _874648, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", _876528)
   Call: (190) [system] var(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==true
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==false
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==[_881170, _881176]
   Call: (190) [system] is_list(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
   Exit: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Fail: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
^  Fail: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=_876528
   Exit: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
^  Exit: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (189) [apply] apply:maplist_([40, 0], _876530, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(40, _895050)
   Call: (191) [system] var(40)
   Call: (191) [system] atom(40)
   Call: (191) [system] 40==true
   Call: (191) [system] 40==false
   Call: (191) [system] 40==[_899692, _899698]
   Call: (191) [system] is_list(40)
   Call: (191) [system] string(40)
   Call: (191) [system] compound(40)
^  Call: (191) [user] symbol(40)
   Call: (192) [system] atom(40)
   Fail: (192) [system] atom(40)
^  Fail: (191) [user] symbol(40)
   Call: (191) [system] 40=_895050
   Exit: (191) [system] 40=40
^  Exit: (190) [user] mfix_vars1(40, 40)
   Call: (190) [apply] apply:maplist_([0], _895052, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _910816)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_915458, _915464]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_910816
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _910818, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([40, 0], [40, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] compound_name_arguments(_859752, '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _939634))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _939634))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _939634)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _942434))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _942434)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _942434)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _854136))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _854136))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _854136)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _956392))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _956392)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _956392)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (178) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1726258747_317601, 58)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258747.3137925), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258747.3137925), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258751.5709498)
   Call: (173) [system] arg(1, t(1726258747.3137925), _3148)
   Exit: (173) [system] arg(1, t(1726258747.3137925), 1726258747.3137925)
   Call: (173) [system] _3158 is 1726258751.5709498-1726258747.3137925
   Exit: (173) [system] 4.257157325744629 is 1726258751.5709498-1726258747.3137925
   Call: (173) [system] 4.257157325744629>4
   Exit: (173) [system] 4.257157325744629>4
   Call: (173) [system] nb_setarg(1, t(1726258747.3137925), 1726258751.5709498)
   Exit: (173) [system] nb_setarg(1, t(1726258751.5709498), 1726258751.5709498)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1002396, _1002398), once(user:with_indents(false, write_src('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))), '$restore_trace'(_1002396, _1002398))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1002396, _1002398))
(%COMMENT  ";;      rule.  A rule is a function mapping premises to conclusion" 40 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
 ; line: 58 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1726258751.5709498), arg(1, t(1726258751.5709498), 1726258747.3137925), 4.257157325744629 is 1726258751.5709498-1726258747.3137925, 4.257157325744629>4), (nb_setarg(1, t(1726258751.5709498), 1726258751.5709498), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 6)
   Call: (175) [system] atom(6+1)
   Call: (175) [system] set_flag(translated_forms, 7)
   Exit: (175) [system] set_flag(translated_forms, 7)
   Exit: (174) [$syspreds] update_flag(translated_forms, 6, 6+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 6, 6+1))
   Exit: (171) [$syspreds] flag(translated_forms, 6, 6+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1726258747_317601, 58)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1726258747_317601, 58)
^  Exit: (169) [system] once(user:(if_t((get_time(1726258751.5709498), arg(1, t(1726258751.5709498), 1726258747.3137925), 4.257157325744629 is 1726258751.5709498-1726258747.3137925, 4.257157325744629>4), (nb_setarg(1, t(1726258751.5709498), 1726258751.5709498), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 6, 6+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), ynthesize_long_1726258747_317601, 58)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 65)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 65))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 65))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1049954)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1057376)
   Exit: (175) [system] peek_char((0x558d99e6bec0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1065714)
   Exit: (177) [system] peek_char((0x558d99e6bec0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1068500=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1070368, _1070370, _1070372, _1070374), read_sexpr((0x558d99e6bec0), _1070386), assertz(metta_file_comment(_1070368, _1070370, _1070372, _1070386, _1070374))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1070368, _1070370, _1070372, _1070374)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1070374))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1070374))
   Exit: (181) [system] nonvar(position(_1070374))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1070368)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1080626)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1070368)
   Exit: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1070370)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1088060)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1070370)
   Exit: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1070372)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1095494)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1070372)
   Exit: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1070386)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1070386)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1105720)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _1110358, _1110360, _1110362, _1110364)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_1110364))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_1110364))
   Exit: (185) [system] nonvar(position(_1110364))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1110358)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1119652)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1110358)
   Exit: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1110360)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1127086)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1110360)
   Exit: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1110362)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1134520)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1110362)
   Exit: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1140114)
   Call: (184) [system] get_char((0x558d99e6bec0), _1141044)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1146614)
   Call: (185) [system] get_char((0x558d99e6bec0), _1147544)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1153114)
   Call: (186) [system] get_char((0x558d99e6bec0), _1154044)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Fail: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
   Fail: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1159614)
   Call: (187) [system] get_char((0x558d99e6bec0), _1160544)
   Exit: (187) [system] get_char((0x558d99e6bec0), 'T')
   Call: (187) [system] char_type('T', end_of_line)
   Fail: (187) [system] char_type('T', end_of_line)
   Call: (187) [system] 'T'=end_of_file
   Fail: (187) [system] 'T'=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1166114)
   Call: (188) [system] get_char((0x558d99e6bec0), _1167044)
   Exit: (188) [system] get_char((0x558d99e6bec0), r)
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] r=end_of_file
   Fail: (188) [system] r=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1172614)
   Call: (189) [system] get_char((0x558d99e6bec0), _1173544)
   Exit: (189) [system] get_char((0x558d99e6bec0), i)
   Call: (189) [system] char_type(i, end_of_line)
   Fail: (189) [system] char_type(i, end_of_line)
   Call: (189) [system] i=end_of_file
   Fail: (189) [system] i=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1179114)
   Call: (190) [system] get_char((0x558d99e6bec0), _1180044)
   Exit: (190) [system] get_char((0x558d99e6bec0), n)
   Call: (190) [system] char_type(n, end_of_line)
   Fail: (190) [system] char_type(n, end_of_line)
   Call: (190) [system] n=end_of_file
   Fail: (190) [system] n=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1185614)
   Call: (191) [system] get_char((0x558d99e6bec0), _1186544)
   Exit: (191) [system] get_char((0x558d99e6bec0), a)
   Call: (191) [system] char_type(a, end_of_line)
   Fail: (191) [system] char_type(a, end_of_line)
   Call: (191) [system] a=end_of_file
   Fail: (191) [system] a=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1192114)
   Call: (192) [system] get_char((0x558d99e6bec0), _1193044)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] char_type(r, end_of_line)
   Fail: (192) [system] char_type(r, end_of_line)
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1198614)
   Call: (193) [system] get_char((0x558d99e6bec0), _1199544)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] char_type(y, end_of_line)
   Fail: (193) [system] char_type(y, end_of_line)
   Call: (193) [system] y=end_of_file
   Fail: (193) [system] y=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1205114)
   Call: (194) [system] get_char((0x558d99e6bec0), _1206044)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Fail: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
   Fail: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1211614)
   Call: (195) [system] get_char((0x558d99e6bec0), _1212544)
   Exit: (195) [system] get_char((0x558d99e6bec0), r)
   Call: (195) [system] char_type(r, end_of_line)
   Fail: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
   Fail: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1218114)
   Call: (196) [system] get_char((0x558d99e6bec0), _1219044)
   Exit: (196) [system] get_char((0x558d99e6bec0), u)
   Call: (196) [system] char_type(u, end_of_line)
   Fail: (196) [system] char_type(u, end_of_line)
   Call: (196) [system] u=end_of_file
   Fail: (196) [system] u=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1224614)
   Call: (197) [system] get_char((0x558d99e6bec0), _1225544)
   Exit: (197) [system] get_char((0x558d99e6bec0), l)
   Call: (197) [system] char_type(l, end_of_line)
   Fail: (197) [system] char_type(l, end_of_line)
   Call: (197) [system] l=end_of_file
   Fail: (197) [system] l=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1231114)
   Call: (198) [system] get_char((0x558d99e6bec0), _1232044)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] char_type(e, end_of_line)
   Fail: (198) [system] char_type(e, end_of_line)
   Call: (198) [system] e=end_of_file
   Fail: (198) [system] e=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1237614)
   Call: (199) [system] get_char((0x558d99e6bec0), _1238544)
   Exit: (199) [system] get_char((0x558d99e6bec0), '\n')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
   Call: (199) [system] _1237614=""
   Exit: (199) [system] ""=""
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (198) [system] string_concat(e, "", _1231114)
   Exit: (198) [system] string_concat(e, "", "e")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "e")
   Call: (197) [system] string_concat(l, "e", _1224614)
   Exit: (197) [system] string_concat(l, "e", "le")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "le")
   Call: (196) [system] string_concat(u, "le", _1218114)
   Exit: (196) [system] string_concat(u, "le", "ule")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "ule")
   Call: (195) [system] string_concat(r, "ule", _1211614)
   Exit: (195) [system] string_concat(r, "ule", "rule")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "rule")
   Call: (194) [system] string_concat(' ', "rule", _1205114)
   Exit: (194) [system] string_concat(' ', "rule", " rule")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), " rule")
   Call: (193) [system] string_concat(y, " rule", _1198614)
   Exit: (193) [system] string_concat(y, " rule", "y rule")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "y rule")
   Call: (192) [system] string_concat(r, "y rule", _1192114)
   Exit: (192) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "ry rule")
   Call: (191) [system] string_concat(a, "ry rule", _1185614)
   Exit: (191) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "ary rule")
   Call: (190) [system] string_concat(n, "ary rule", _1179114)
   Exit: (190) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "nary rule")
   Call: (189) [system] string_concat(i, "nary rule", _1172614)
   Exit: (189) [system] string_concat(i, "nary rule", "inary rule")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "inary rule")
   Call: (188) [system] string_concat(r, "inary rule", _1166114)
   Exit: (188) [system] string_concat(r, "inary rule", "rinary rule")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "rinary rule")
   Call: (187) [system] string_concat('T', "rinary rule", _1159614)
   Exit: (187) [system] string_concat('T', "rinary rule", "Trinary rule")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "Trinary rule")
   Call: (186) [system] string_concat(' ', "Trinary rule", _1153114)
   Exit: (186) [system] string_concat(' ', "Trinary rule", " Trinary rule")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), " Trinary rule")
   Call: (185) [system] string_concat(;, " Trinary rule", _1146614)
   Exit: (185) [system] string_concat(;, " Trinary rule", "; Trinary rule")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "; Trinary rule")
   Call: (184) [system] string_concat(;, "; Trinary rule", _1140114)
   Exit: (184) [system] string_concat(;, "; Trinary rule", ";; Trinary rule")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";; Trinary rule")
^  Call: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1290766)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1305844)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1070386)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1311414)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1325568)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1331138)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1332996)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1347150)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1331138)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1364792)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1365726)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1364792=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1331138)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1375036, _1375038), once(user:catch(read_from_chars([=], _1331138), _1375012, fail)), '$restore_trace'(_1375036, _1375038))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1375036, _1375038))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1375012, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1382536)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1384394)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1392132)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1394836)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1409914)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1415484)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1417342)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1431496)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1415484)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1437066)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1451220)
   Exit: (185) [system] peek_char((0x558d99e6bec0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1456790)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1458648)
   Exit: (187) [system] peek_char((0x558d99e6bec0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1472802)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, _1456790)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1490444)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1491378)
   Exit: (188) [system] peek_char((0x558d99e6bec0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1496098, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1497030, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x558d99e6bec0), y)
   Exit: (188) [system] get_char((0x558d99e6bec0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1504380)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1505314)
   Exit: (189) [system] peek_char((0x558d99e6bec0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1510034, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1510966, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x558d99e6bec0), n)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1518316)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1519250)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1523970, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1524902, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1532252)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1533186)
   Exit: (191) [system] peek_char((0x558d99e6bec0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1537906, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1538838, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x558d99e6bec0), h)
   Exit: (191) [system] get_char((0x558d99e6bec0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1546188)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1547122)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1551842, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1552774, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1560124)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1561058)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1565778, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1566710, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1574060)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1574994)
   Exit: (194) [system] peek_char((0x558d99e6bec0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1579714, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1580646, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x558d99e6bec0), i)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1587996)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1588930)
   Exit: (195) [system] peek_char((0x558d99e6bec0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1593650, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1594582, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x558d99e6bec0), z)
   Exit: (195) [system] get_char((0x558d99e6bec0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1601932)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1602866)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1607586, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1608518, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1615868)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1616802)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1615868=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1601932=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (195) [system] _1587996=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (194) [system] _1574060=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (193) [system] _1560124=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (192) [system] _1546188=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (191) [system] _1532252=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (190) [system] _1518316=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1504380=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1490444=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1456790)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1651258, _1651260), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1456790), _1651234, fail)), '$restore_trace'(_1651258, _1651260))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1651258, _1651260))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1651234, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1658758)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1660616)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1668354)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1671058)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1686136)
   Exit: (186) [system] peek_char((0x558d99e6bec0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1691706)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1693564)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1707718)
   Exit: (187) [system] get_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _1691706)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1725360)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1726294)
   Exit: (189) [system] peek_char((0x558d99e6bec0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1731014, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_1731946, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x558d99e6bec0), q)
   Exit: (189) [system] get_char((0x558d99e6bec0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1739296)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1740230)
   Exit: (190) [system] peek_char((0x558d99e6bec0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1744950, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_1745882, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x558d99e6bec0), u)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1753232)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1754166)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1758886, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_1759818, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1767168)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1768102)
   Exit: (192) [system] peek_char((0x558d99e6bec0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1772822, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_1773754, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x558d99e6bec0), r)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781104)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1782038)
   Exit: (193) [system] peek_char((0x558d99e6bec0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1786758, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_1787690, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x558d99e6bec0), y)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1795040)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1795974)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1795040=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1781104=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (192) [system] _1767168=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (191) [system] _1753232=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (190) [system] _1739296=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (189) [system] _1725360=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1691706)
   Call: (189) [system] atom_chars(_1819228, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1823892)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1825750)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1833488)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1836192)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1851270)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1856840)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1858698)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1872852)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _1856840)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1890494)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1891428)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1896148, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_1897080, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x558d99e6bec0), k)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1904430)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1905364)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1910084, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_1911016, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1918366)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1919300)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1918366=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1904430=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (190) [system] _1890494=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1856840)
   Call: (190) [system] atom_chars(_1934172, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1938836)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1940694)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1948432)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1951136)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1966214)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1971784)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1973642)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1987796)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1971784)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2005438)
   Call: (191) [system] peek_char((0x558d99e6bec0), _2006372)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_2011092, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_2012024, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2019374)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2020308)
   Exit: (192) [system] peek_char((0x558d99e6bec0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_2025028, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_2025960, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x558d99e6bec0), b)
   Exit: (192) [system] get_char((0x558d99e6bec0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2033310)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2034244)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _2033310=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _2019374=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (191) [system] _2005438=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1971784)
   Call: (191) [system] atom_chars(_2049116, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _2053780)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2055638)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _2063376)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2066080)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2081158)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _2086728)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2088586)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _9362)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _3408)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _14932)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _29086)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _34656)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _36514)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _50668)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _34656)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68310)
   Call: (194) [system] peek_char((0x558d99e6bec0), _69244)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _68310=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _34656)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_78554, _78556), once(user:catch(read_from_chars(['S'], _34656), _78530, fail)), '$restore_trace'(_78554, _78556))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_78554, _78556))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _34656), _78530, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_34656)
   Fail: (194) [system] atomic(_34656)
   Call: (194) [system] atom_chars(_34656, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _87930)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _89788)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _97526)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _100230)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _115308)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _120878)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _122736)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _136890)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _120878)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _154532)
   Call: (195) [system] peek_char((0x558d99e6bec0), _155466)
   Exit: (195) [system] peek_char((0x558d99e6bec0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_160186, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_161118, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x558d99e6bec0), k)
   Exit: (195) [system] get_char((0x558d99e6bec0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168468)
   Call: (196) [system] peek_char((0x558d99e6bec0), _169402)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_174122, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _168468=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _154532=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _120878)
   Call: (195) [system] atom_chars(_183352, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _188016)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _189874)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _204028)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _207818)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _188016=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _87930=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (191) [system] _3408=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _218906)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _220764)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _234918)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _238708)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _218906=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _3404=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [['S', _k]])
   Call: (188) [system] _3394=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_rb, ['S', _k]])
   Call: (187) [system] _3384=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3374=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3366=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _258178)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _260036)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x558d99e6bec0), _269630)
   Exit: (185) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _272334)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _280072)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _282776)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _290514)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _293218)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _300956)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _303660)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _321510)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _327080)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _328938)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _343092)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _327080)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _348662)
   Exit: (187) [system] peek_char((0x558d99e6bec0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _362816)
   Exit: (186) [system] peek_char((0x558d99e6bec0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _368386)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _370244)
   Exit: (188) [system] peek_char((0x558d99e6bec0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _384398)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, _368386)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _402040)
   Call: (189) [system] peek_char((0x558d99e6bec0), _402974)
   Exit: (189) [system] peek_char((0x558d99e6bec0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_407694, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_408626, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x558d99e6bec0), e)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _415976)
   Call: (190) [system] peek_char((0x558d99e6bec0), _416910)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_421630, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_422562, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _429912)
   Call: (191) [system] peek_char((0x558d99e6bec0), _430846)
   Exit: (191) [system] peek_char((0x558d99e6bec0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_435566, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_436498, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x558d99e6bec0), *)
   Exit: (191) [system] get_char((0x558d99e6bec0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443848)
   Call: (192) [system] peek_char((0x558d99e6bec0), _444782)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _443848=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _429912=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [*])
   Call: (190) [system] _415976=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, *])
   Call: (189) [system] _402040=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _368386)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_462474, _462476), once(user:catch(read_from_chars([l, e, t, *], _368386), _462450, fail)), '$restore_trace'(_462474, _462476))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_462474, _462476))
   Call: (189) [system] atom_chars(_3436, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), 'let*')
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _8208)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _10066)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _17804)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _20508)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _35586)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _41156)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _43014)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _57168)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _41156)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _62738)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _76892)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _82462)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _84320)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _98474)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _82462)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _104044)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _118198)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _123768)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _125626)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _139780)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _123768)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _145350)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _159504)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _165074)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _166932)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _181086)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _165074)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198728)
   Call: (196) [system] peek_char((0x558d99e6bec0), _199662)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _198728=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _165074)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_208972, _208974), once(user:catch(read_from_chars([:], _165074), _208948, fail)), '$restore_trace'(_208972, _208974))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_208972, _208974))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _208948, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _216472)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _218330)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _226068)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228772)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _243850)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _249420)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _251278)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _265432)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _249420)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _283074)
   Call: (197) [system] peek_char((0x558d99e6bec0), _284008)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_288728, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_289660, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _297010)
   Call: (198) [system] peek_char((0x558d99e6bec0), _297944)
   Exit: (198) [system] peek_char((0x558d99e6bec0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_302664, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_303596, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x558d99e6bec0), u)
   Exit: (198) [system] get_char((0x558d99e6bec0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310946)
   Call: (199) [system] peek_char((0x558d99e6bec0), _311880)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_316600, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_317532, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324882)
   Call: (200) [system] peek_char((0x558d99e6bec0), _325816)
   Exit: (200) [system] peek_char((0x558d99e6bec0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_330536, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_331468, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x558d99e6bec0), t)
   Exit: (200) [system] get_char((0x558d99e6bec0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338818)
   Call: (201) [system] peek_char((0x558d99e6bec0), _339752)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_344472, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_345404, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352754)
   Call: (202) [system] peek_char((0x558d99e6bec0), _353688)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_358408, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_359340, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366690)
   Call: (203) [system] peek_char((0x558d99e6bec0), _367624)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _366690=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _352754=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (201) [system] _338818=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (200) [system] _324882=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (199) [system] _310946=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (198) [system] _297010=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (197) [system] _283074=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _249420)
   Call: (197) [system] atom_chars(_393672, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _398336)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _400194)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _407932)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _410636)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _425714)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _431284)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _433142)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _447296)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _431284)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _452866)
   Exit: (198) [system] peek_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _467020)
   Exit: (197) [system] peek_char((0x558d99e6bec0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _472590)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _474448)
   Exit: (199) [system] peek_char((0x558d99e6bec0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _488602)
   Exit: (198) [system] get_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, _472590)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506244)
   Call: (200) [system] peek_char((0x558d99e6bec0), _507178)
   Exit: (200) [system] peek_char((0x558d99e6bec0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_511898, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_512830, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x558d99e6bec0), >)
   Exit: (200) [system] get_char((0x558d99e6bec0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520180)
   Call: (201) [system] peek_char((0x558d99e6bec0), _521114)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _520180=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _506244=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _472590)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_533218, _533220), once(user:catch(read_from_chars([-, >], _472590), _533194, fail)), '$restore_trace'(_533218, _533220))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_533218, _533220))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _533194, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _540718)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _542576)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _550314)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _553018)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _568096)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _573666)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _575524)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _589678)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _573666)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _607320)
   Call: (201) [system] peek_char((0x558d99e6bec0), _608254)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_612974, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_613906, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _621256)
   Call: (202) [system] peek_char((0x558d99e6bec0), _622190)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_626910, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_627842, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _635192)
   Call: (203) [system] peek_char((0x558d99e6bec0), _636126)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_640846, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_641778, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649128)
   Call: (204) [system] peek_char((0x558d99e6bec0), _650062)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_654782, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_655714, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663064)
   Call: (205) [system] peek_char((0x558d99e6bec0), _663998)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_668718, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_669650, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _677000)
   Call: (206) [system] peek_char((0x558d99e6bec0), _677934)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_682654, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_683586, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _690936)
   Call: (207) [system] peek_char((0x558d99e6bec0), _691870)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_696590, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_697522, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _704872)
   Call: (208) [system] peek_char((0x558d99e6bec0), _705806)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_710526, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_711458, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _718808)
   Call: (209) [system] peek_char((0x558d99e6bec0), _719742)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _718808=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _704872=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _690936=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (206) [system] _677000=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (205) [system] _663064=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (204) [system] _649128=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (203) [system] _635192=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (202) [system] _621256=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _607320=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _573666)
   Call: (201) [system] atom_chars(_751378, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _756042)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _757900)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _765638)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _768342)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _783420)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _788990)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _790848)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _805002)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _788990)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _822644)
   Call: (202) [system] peek_char((0x558d99e6bec0), _823578)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_828298, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_829230, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _836580)
   Call: (203) [system] peek_char((0x558d99e6bec0), _837514)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_842234, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_843166, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _850516)
   Call: (204) [system] peek_char((0x558d99e6bec0), _851450)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_856170, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_857102, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _864452)
   Call: (205) [system] peek_char((0x558d99e6bec0), _865386)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_870106, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_871038, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _878388)
   Call: (206) [system] peek_char((0x558d99e6bec0), _879322)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_884042, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_884974, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892324)
   Call: (207) [system] peek_char((0x558d99e6bec0), _893258)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_897978, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_898910, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _906260)
   Call: (208) [system] peek_char((0x558d99e6bec0), _907194)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_911914, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_912846, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _920196)
   Call: (209) [system] peek_char((0x558d99e6bec0), _921130)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_925850, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_926782, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934132)
   Call: (210) [system] peek_char((0x558d99e6bec0), _935066)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _934132=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _920196=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _906260=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (207) [system] _892324=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (206) [system] _878388=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (205) [system] _864452=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (204) [system] _850516=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (203) [system] _836580=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _822644=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _788990)
   Call: (202) [system] atom_chars(_966702, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _971366)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _973224)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _980962)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _983666)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _998744)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1004314)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1006172)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1020326)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1004314)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037968)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1038902)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1043622, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1044554, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051904)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1052838)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1057558, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1058490, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065840)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1066774)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1071494, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1072426, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1079776)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1080710)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1085430, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1086362, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093712)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1094646)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1099366, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1100298, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107648)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1108582)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1113302, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1114234, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121584)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1122518)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1127238, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1128170, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1135520)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1136454)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1141174, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1142106, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x558d99e6bec0), '3')
   Exit: (210) [system] get_char((0x558d99e6bec0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1149456)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1150390)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1149456=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1135520=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (209) [system] _1121584=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (208) [system] _1107648=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (207) [system] _1093712=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (206) [system] _1079776=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (205) [system] _1065840=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1051904=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1037968=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1004314)
   Call: (203) [system] atom_chars(_1182026, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1186690)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1188548)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1196286)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1198990)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1214068)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1219638)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1221496)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1235650)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1219638)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1253292)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1254226)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1258946, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1259878, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1267228)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1268162)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1272882, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1273814, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1281164)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1282098)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1286818, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1287750, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1295100)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1296034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1300754, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1301686, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x558d99e6bec0), c)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1309036)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1309970)
   Exit: (208) [system] peek_char((0x558d99e6bec0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1314690, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1315622, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x558d99e6bec0), l)
   Exit: (208) [system] get_char((0x558d99e6bec0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1322972)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1323906)
   Exit: (209) [system] peek_char((0x558d99e6bec0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1328626, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1329558, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x558d99e6bec0), u)
   Exit: (209) [system] get_char((0x558d99e6bec0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1336908)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1337842)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1342562, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1343494, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1350844)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1351778)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1356498, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1357430, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1364780)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1365714)
   Exit: (212) [system] peek_char((0x558d99e6bec0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1370434, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1371366, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x558d99e6bec0), o)
   Exit: (212) [system] get_char((0x558d99e6bec0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1378716)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1379650)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1384370, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1385302, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1392652)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1393586)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1398306, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1392652=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1378716=[n]
   Exit: (213) [system] [n]=[n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (212) [system] _1364780=[o, n]
   Exit: (212) [system] [o, n]=[o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (211) [system] _1350844=[i, o, n]
   Exit: (211) [system] [i, o, n]=[i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (210) [system] _1336908=[s, i, o, n]
   Exit: (210) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (209) [system] _1322972=[u, s, i, o, n]
   Exit: (209) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (208) [system] _1309036=[l, u, s, i, o, n]
   Exit: (208) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (207) [system] _1295100=[c, l, u, s, i, o, n]
   Exit: (207) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (206) [system] _1281164=[n, c, l, u, s, i, o, n]
   Exit: (206) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (205) [system] _1267228=[o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (204) [system] _1253292=[c, o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1219638)
   Call: (204) [system] atom_chars(_1432682, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (204) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1437346)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1439204)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1453358)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1457148)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1437346=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1186690=[_conclusion]
   Exit: (201) [system] [_conclusion]=[_conclusion]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (200) [system] _971366=[_premise3, _conclusion]
   Exit: (200) [system] [_premise3, _conclusion]=[_premise3, _conclusion]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_premise3, _conclusion])
   Call: (199) [system] _756042=[_premise2, _premise3, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _conclusion]=[_premise2, _premise3, _conclusion]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise2, _premise3, _conclusion])
   Call: (198) [system] _540718=[_premise1, _premise2, _premise3, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _conclusion]=[_premise1, _premise2, _premise3, _conclusion]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise1, _premise2, _premise3, _conclusion])
   Call: (197) [system] _431284=[->, _premise1, _premise2, _premise3, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _conclusion]=[->, _premise1, _premise2, _premise3, _conclusion]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [->, _premise1, _premise2, _premise3, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _premise1, _premise2, _premise3, _conclusion])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1476618)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1478476)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1492630)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1496420)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1476618=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _398336=[[->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _conclusion]]=[[->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (194) [system] _216472=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (193) [system] _123768=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1510302)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1512160)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1519898)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1522602)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1537680)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1543250)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1545108)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1559262)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1543250)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1564832)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1578986)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1584556)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1586414)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1600568)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1584556)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1618210)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1619144)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1623864, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1624796, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1632146)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1633080)
   Exit: (198) [system] peek_char((0x558d99e6bec0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1637800, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1638732, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x558d99e6bec0), b)
   Exit: (198) [system] get_char((0x558d99e6bec0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1646082)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1647016)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1651736, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1646082=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1632146=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (197) [system] _1618210=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1584556)
   Call: (197) [system] atom_chars(_1663760, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1668424)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1670282)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1684436)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1688226)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1668424=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1543250=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [_rb])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1696520)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1698378)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1712532)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1716322)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1696520=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1510302=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[_rb]])
   Call: (191) [system] _82462=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1727410)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1729268)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1738862)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1741566)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1749304)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1752008)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1759746)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1762450)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1770188)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1772892)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1780630)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1783334)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1791072)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1793776)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1801514)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1804218)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1811956)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1814660)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1822398)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1825102)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1832840)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1835544)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1843282)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1845986)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1870304)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1875874)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1877732)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1891886)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1875874)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1897456)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1911610)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1917180)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1919038)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1933192)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1917180)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1938762)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1952916)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1958486)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1960344)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1974498)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _1958486)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1992140)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1993074)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1992140=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1958486)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_2002384, _2002386), once(user:catch(read_from_chars([:], _1958486), _2002360, fail)), '$restore_trace'(_2002384, _2002386))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_2002384, _2002386))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2002360, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _2009884)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2011742)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _2019480)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2022184)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2037262)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _2042832)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2044690)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _2058844)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _2042832)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2064414)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2078568)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _2084138)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2085996)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _6946)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _3568)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _24588)
   Call: (200) [system] peek_char((0x558d99e6bec0), _25522)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_30242, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_31174, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _38524)
   Call: (201) [system] peek_char((0x558d99e6bec0), _39458)
   Exit: (201) [system] peek_char((0x558d99e6bec0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_44178, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_45110, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x558d99e6bec0), u)
   Exit: (201) [system] get_char((0x558d99e6bec0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52460)
   Call: (202) [system] peek_char((0x558d99e6bec0), _53394)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_58114, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_59046, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66396)
   Call: (203) [system] peek_char((0x558d99e6bec0), _67330)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_72050, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_72982, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80332)
   Call: (204) [system] peek_char((0x558d99e6bec0), _81266)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_85986, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_86918, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _94268)
   Call: (205) [system] peek_char((0x558d99e6bec0), _95202)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_99922, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_100854, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _108204)
   Call: (206) [system] peek_char((0x558d99e6bec0), _109138)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _108204=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _94268=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (204) [system] _80332=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (203) [system] _66396=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (202) [system] _52460=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (201) [system] _38524=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (200) [system] _24588=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _3568)
   Call: (200) [system] atom_chars(_135186, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _139850)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _141708)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _149446)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _152150)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _167228)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _172798)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _174656)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _188810)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _172798)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _206452)
   Call: (201) [system] peek_char((0x558d99e6bec0), _207386)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_212106, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_213038, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _220388)
   Call: (202) [system] peek_char((0x558d99e6bec0), _221322)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_226042, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_226974, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _234324)
   Call: (203) [system] peek_char((0x558d99e6bec0), _235258)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_239978, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_240910, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _248260)
   Call: (204) [system] peek_char((0x558d99e6bec0), _249194)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_253914, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_254846, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _262196)
   Call: (205) [system] peek_char((0x558d99e6bec0), _263130)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_267850, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_268782, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _276132)
   Call: (206) [system] peek_char((0x558d99e6bec0), _277066)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_281786, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_282718, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x558d99e6bec0), '1')
   Exit: (206) [system] get_char((0x558d99e6bec0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _290068)
   Call: (207) [system] peek_char((0x558d99e6bec0), _291002)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _290068=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _276132=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (205) [system] _262196=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (204) [system] _248260=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (203) [system] _234324=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (202) [system] _220388=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (201) [system] _206452=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _172798)
   Call: (201) [system] atom_chars(_317050, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _321714)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _323572)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _331310)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _334014)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _349092)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _354662)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _356520)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _370674)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _354662)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _388316)
   Call: (202) [system] peek_char((0x558d99e6bec0), _389250)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_393970, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_394902, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _402252)
   Call: (203) [system] peek_char((0x558d99e6bec0), _403186)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_407906, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_408838, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _416188)
   Call: (204) [system] peek_char((0x558d99e6bec0), _417122)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_421842, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_422774, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _430124)
   Call: (205) [system] peek_char((0x558d99e6bec0), _431058)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_435778, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_436710, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _444060)
   Call: (206) [system] peek_char((0x558d99e6bec0), _444994)
   Exit: (206) [system] peek_char((0x558d99e6bec0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_449714, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_450646, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x558d99e6bec0), f)
   Exit: (206) [system] get_char((0x558d99e6bec0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _457996)
   Call: (207) [system] peek_char((0x558d99e6bec0), _458930)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_463650, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_464582, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x558d99e6bec0), '2')
   Exit: (207) [system] get_char((0x558d99e6bec0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _471932)
   Call: (208) [system] peek_char((0x558d99e6bec0), _472866)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _471932=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _457996=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (206) [system] _444060=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (205) [system] _430124=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (204) [system] _416188=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (203) [system] _402252=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (202) [system] _388316=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _354662)
   Call: (202) [system] atom_chars(_498914, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _503578)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _505436)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _513174)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _515878)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _530956)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _536526)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _538384)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _552538)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _536526)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _570180)
   Call: (203) [system] peek_char((0x558d99e6bec0), _571114)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_575834, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_576766, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584116)
   Call: (204) [system] peek_char((0x558d99e6bec0), _585050)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_589770, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_590702, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _598052)
   Call: (205) [system] peek_char((0x558d99e6bec0), _598986)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_603706, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_604638, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _611988)
   Call: (206) [system] peek_char((0x558d99e6bec0), _612922)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_617642, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_618574, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _625924)
   Call: (207) [system] peek_char((0x558d99e6bec0), _626858)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_631578, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_632510, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _639860)
   Call: (208) [system] peek_char((0x558d99e6bec0), _640794)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_645514, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_646446, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x558d99e6bec0), '3')
   Exit: (208) [system] get_char((0x558d99e6bec0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _653796)
   Call: (209) [system] peek_char((0x558d99e6bec0), _654730)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_659450, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _653796=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _639860=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (207) [system] _625924=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (206) [system] _611988=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (205) [system] _598052=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (204) [system] _584116=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (203) [system] _570180=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _536526)
   Call: (203) [system] atom_chars(_682650, ['_', p, r, o, o, f, '3'])
   Exit: (203) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _687314)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _689172)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _703326)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _707116)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _687314=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _503578=[_proof3]
   Exit: (200) [system] [_proof3]=[_proof3]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof3])
   Call: (199) [system] _321714=[_proof2, _proof3]
   Exit: (199) [system] [_proof2, _proof3]=[_proof2, _proof3]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_proof2, _proof3])
   Call: (198) [system] _139850=[_proof1, _proof2, _proof3]
   Exit: (198) [system] [_proof1, _proof2, _proof3]=[_proof1, _proof2, _proof3]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof1, _proof2, _proof3])
   Call: (197) [system] _3562=[_ructor, _proof1, _proof2, _proof3]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3]=[_ructor, _proof1, _proof2, _proof3]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2, _proof3])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2, _proof3])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _723792)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _725650)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _733388)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _736092)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _751170)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _756740)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _758598)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _772752)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _756740)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _790394)
   Call: (199) [system] peek_char((0x558d99e6bec0), _791328)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_796048, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_796980, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _804330)
   Call: (200) [system] peek_char((0x558d99e6bec0), _805264)
   Exit: (200) [system] peek_char((0x558d99e6bec0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_809984, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_810916, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x558d99e6bec0), o)
   Exit: (200) [system] get_char((0x558d99e6bec0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _818266)
   Call: (201) [system] peek_char((0x558d99e6bec0), _819200)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_823920, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_824852, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _832202)
   Call: (202) [system] peek_char((0x558d99e6bec0), _833136)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_837856, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_838788, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _846138)
   Call: (203) [system] peek_char((0x558d99e6bec0), _847072)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_851792, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_852724, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _860074)
   Call: (204) [system] peek_char((0x558d99e6bec0), _861008)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_865728, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_866660, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _874010)
   Call: (205) [system] peek_char((0x558d99e6bec0), _874944)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_879664, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_880596, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _887946)
   Call: (206) [system] peek_char((0x558d99e6bec0), _888880)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_893600, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_894532, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _901882)
   Call: (207) [system] peek_char((0x558d99e6bec0), _902816)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_907536, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_908468, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _915818)
   Call: (208) [system] peek_char((0x558d99e6bec0), _916752)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_921472, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_922404, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _929754)
   Call: (209) [system] peek_char((0x558d99e6bec0), _930688)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_935408, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _929754=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _915818=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (207) [system] _901882=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (206) [system] _887946=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (205) [system] _874010=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (204) [system] _860074=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (203) [system] _846138=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (202) [system] _832202=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (201) [system] _818266=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _804330=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _790394=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _756740)
   Call: (199) [system] atom_chars(_969784, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _974448)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _976306)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _990460)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _994250)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _974448=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _723792=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (195) [system] _3558=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3], _conclusion]=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (194) [system] _3550=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1008132)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1009990)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1017728)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1020432)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1035510)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1041080)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1042938)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1057092)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1041080)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1074734)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1075668)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1080388, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1081320, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1088670)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1089604)
   Exit: (197) [system] peek_char((0x558d99e6bec0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1094324, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1095256, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x558d99e6bec0), u)
   Exit: (197) [system] get_char((0x558d99e6bec0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1102606)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1103540)
   Exit: (198) [system] peek_char((0x558d99e6bec0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1108260, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1109192, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x558d99e6bec0), e)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1116542)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1117476)
   Exit: (199) [system] peek_char((0x558d99e6bec0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1122196, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1123128, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x558d99e6bec0), r)
   Exit: (199) [system] get_char((0x558d99e6bec0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1130478)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1131412)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1136132, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1137064, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1144414)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1145348)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1150068, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1144414=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1130478=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (199) [system] _1116542=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (198) [system] _1102606=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (197) [system] _1088670=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (196) [system] _1074734=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1041080)
   Call: (196) [system] atom_chars(_1170474, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1175138)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1176996)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1191150)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1194940)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1175138=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1008132=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (192) [system] _3544=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1206028)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1207886)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x558d99e6bec0), _1217480)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1220184)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1227922)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1230626)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1238364)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1241068)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1248806)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1251510)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1259248)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1261952)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1269690)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1272394)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1280132)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1282836)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1290574)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1293278)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1301016)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1303720)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1311458)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1314162)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1321900)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1324604)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1348922)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1354492)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1356350)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1370504)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1354492)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1376074)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1390228)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1395798)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1397656)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1411810)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1395798)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1417380)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1431534)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1437104)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1438962)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1453116)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _1437104)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1470758)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1471692)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1470758=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _1437104)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1481002, _1481004), once(user:catch(read_from_chars([:], _1437104), _1480978, fail)), '$restore_trace'(_1481002, _1481004))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1481002, _1481004))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1480978, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1488502)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1490360)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1498098)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1500802)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1515880)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1521450)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1523308)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1537462)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _1521450)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1555104)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1556038)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1560758, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1561690, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1569040)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1569974)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1574694, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1575626, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1582976)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1583910)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1588630, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1589562, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1596912)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1597846)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1602566, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1603498, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1610848)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1611782)
   Exit: (203) [system] peek_char((0x558d99e6bec0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1616502, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_1617434, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x558d99e6bec0), f)
   Exit: (203) [system] get_char((0x558d99e6bec0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1624784)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1625718)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1630438, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_1631370, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x558d99e6bec0), '1')
   Exit: (204) [system] get_char((0x558d99e6bec0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1638720)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1639654)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1638720=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1624784=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (203) [system] _1610848=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (202) [system] _1596912=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (201) [system] _1582976=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (200) [system] _1569040=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (199) [system] _1555104=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1521450)
   Call: (199) [system] atom_chars(_1665702, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1670366)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1672224)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1679962)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1682666)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1697744)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1703314)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1705172)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1719326)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1703314)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1736968)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1737902)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1742622, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1743554, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1750904)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1751838)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1756558, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1757490, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1764840)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1765774)
   Exit: (202) [system] peek_char((0x558d99e6bec0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1770494, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_1771426, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x558d99e6bec0), e)
   Exit: (202) [system] get_char((0x558d99e6bec0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1778776)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1779710)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1784430, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_1785362, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1792712)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1793646)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1798366, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1799298, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1806648)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1807582)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1812302, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1813234, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1820584)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1821518)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1826238, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1827170, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1834520)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1835454)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1840174, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_1841106, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x558d99e6bec0), '1')
   Exit: (207) [system] get_char((0x558d99e6bec0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1848456)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1849390)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1854110, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1848456=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1834520=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (206) [system] _1820584=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (205) [system] _1806648=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (204) [system] _1792712=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (203) [system] _1778776=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (202) [system] _1764840=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (201) [system] _1750904=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1736968=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1703314)
   Call: (200) [system] atom_chars(_1882898, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1887562)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1889420)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1903574)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1907364)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1887562=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1670366=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (196) [system] _1488502=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (195) [system] _1395798=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1921246)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1923104)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1930842)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1933546)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1948624)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1954194)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1956052)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1970206)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1954194)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1975776)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1989930)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1995500)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1997358)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _2011512)
   Exit: (197) [system] get_char((0x558d99e6bec0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, _1995500)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2029154)
   Call: (199) [system] peek_char((0x558d99e6bec0), _2030088)
   Exit: (199) [system] peek_char((0x558d99e6bec0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_2034808, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_2035740, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x558d99e6bec0), y)
   Exit: (199) [system] get_char((0x558d99e6bec0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2043090)
   Call: (200) [system] peek_char((0x558d99e6bec0), _2044024)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_2048744, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_2049676, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2057026)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2057960)
   Exit: (201) [system] peek_char((0x558d99e6bec0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_2062680, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_2063612, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x558d99e6bec0), t)
   Exit: (201) [system] get_char((0x558d99e6bec0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2070962)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2071896)
   Exit: (202) [system] peek_char((0x558d99e6bec0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_2076616, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_2077548, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x558d99e6bec0), h)
   Exit: (202) [system] get_char((0x558d99e6bec0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2084898)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2085832)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_2090552, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_2091484, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _5520)
   Call: (204) [system] peek_char((0x558d99e6bec0), _6454)
   Exit: (204) [system] peek_char((0x558d99e6bec0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_11174, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_12106, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x558d99e6bec0), s)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _19456)
   Call: (205) [system] peek_char((0x558d99e6bec0), _20390)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_25110, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_26042, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _33392)
   Call: (206) [system] peek_char((0x558d99e6bec0), _34326)
   Exit: (206) [system] peek_char((0x558d99e6bec0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_39046, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_39978, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x558d99e6bec0), z)
   Exit: (206) [system] get_char((0x558d99e6bec0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _47328)
   Call: (207) [system] peek_char((0x558d99e6bec0), _48262)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_52982, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_53914, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _61264)
   Call: (208) [system] peek_char((0x558d99e6bec0), _62198)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _61264=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _47328=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _33392=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (205) [system] _19456=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (204) [system] _5520=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (203) [system] _3692=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (202) [system] _3688=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (201) [system] _3684=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (200) [system] _3680=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _3676=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _3672)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_96654, _96656), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _3672), _96630, fail)), '$restore_trace'(_96654, _96656))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_96654, _96656))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _96630, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _104154)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _106012)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _113750)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _116454)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _131532)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _137102)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _138960)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _153114)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _137102)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _158684)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _172838)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _178408)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _180266)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _194420)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _178408)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212062)
   Call: (202) [system] peek_char((0x558d99e6bec0), _212996)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _212062=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _178408)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_222306, _222308), once(user:catch(read_from_chars([:], _178408), _222282, fail)), '$restore_trace'(_222306, _222308))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_222306, _222308))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _222282, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _229806)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _231664)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _239402)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _242106)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _257184)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _262754)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _264612)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _278766)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _262754)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _296408)
   Call: (203) [system] peek_char((0x558d99e6bec0), _297342)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_302062, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_302994, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310344)
   Call: (204) [system] peek_char((0x558d99e6bec0), _311278)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_315998, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_316930, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324280)
   Call: (205) [system] peek_char((0x558d99e6bec0), _325214)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_329934, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_330866, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338216)
   Call: (206) [system] peek_char((0x558d99e6bec0), _339150)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_343870, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_344802, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352152)
   Call: (207) [system] peek_char((0x558d99e6bec0), _353086)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_357806, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_358738, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366088)
   Call: (208) [system] peek_char((0x558d99e6bec0), _367022)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_371742, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_372674, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _380024)
   Call: (209) [system] peek_char((0x558d99e6bec0), _380958)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _380024=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _366088=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _352152=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (206) [system] _338216=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (205) [system] _324280=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (204) [system] _310344=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (203) [system] _296408=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _262754)
   Call: (203) [system] atom_chars(_407006, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _411670)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _413528)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _421266)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _423970)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _439048)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _444618)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _446476)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _460630)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _444618)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _478272)
   Call: (204) [system] peek_char((0x558d99e6bec0), _479206)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_483926, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_484858, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _492208)
   Call: (205) [system] peek_char((0x558d99e6bec0), _493142)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_497862, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_498794, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506144)
   Call: (206) [system] peek_char((0x558d99e6bec0), _507078)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_511798, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_512730, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520080)
   Call: (207) [system] peek_char((0x558d99e6bec0), _521014)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_525734, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_526666, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _534016)
   Call: (208) [system] peek_char((0x558d99e6bec0), _534950)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_539670, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_540602, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _547952)
   Call: (209) [system] peek_char((0x558d99e6bec0), _548886)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_553606, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_554538, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _561888)
   Call: (210) [system] peek_char((0x558d99e6bec0), _562822)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_567542, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_568474, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _575824)
   Call: (211) [system] peek_char((0x558d99e6bec0), _576758)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_581478, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_582410, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x558d99e6bec0), '1')
   Exit: (211) [system] get_char((0x558d99e6bec0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _589760)
   Call: (212) [system] peek_char((0x558d99e6bec0), _590694)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_595414, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _589760=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _575824=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (210) [system] _561888=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (209) [system] _547952=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (208) [system] _534016=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (207) [system] _520080=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (206) [system] _506144=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (205) [system] _492208=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _478272=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _444618)
   Call: (204) [system] atom_chars(_624202, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _628866)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _630724)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _644878)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _648668)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _628866=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _411670=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (200) [system] _229806=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (199) [system] _137102=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _662550)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _664408)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _672146)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _674850)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _689928)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _695498)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _697356)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _711510)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _695498)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _729152)
   Call: (201) [system] peek_char((0x558d99e6bec0), _730086)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_734806, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_735738, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _743088)
   Call: (202) [system] peek_char((0x558d99e6bec0), _744022)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_748742, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_749674, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _757024)
   Call: (203) [system] peek_char((0x558d99e6bec0), _757958)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _757024=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _743088=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (201) [system] _729152=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _695498)
   Call: (201) [system] atom_chars(_772830, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _777494)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _779352)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _787090)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _789794)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _804872)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _810442)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _812300)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _826454)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _810442)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _844096)
   Call: (202) [system] peek_char((0x558d99e6bec0), _845030)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_849750, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_850682, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _858032)
   Call: (203) [system] peek_char((0x558d99e6bec0), _858966)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_863686, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_864618, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _871968)
   Call: (204) [system] peek_char((0x558d99e6bec0), _872902)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _871968=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _858032=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _844096=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _810442)
   Call: (202) [system] atom_chars(_887774, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _892438)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _894296)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _902034)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _904738)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _919816)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _925386)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _927244)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _941398)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _925386)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _959040)
   Call: (203) [system] peek_char((0x558d99e6bec0), _959974)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_964694, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_965626, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _972976)
   Call: (204) [system] peek_char((0x558d99e6bec0), _973910)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_978630, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _972976=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _959040=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _925386)
   Call: (203) [system] atom_chars(_987860, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _992524)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _994382)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1008536)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1012326)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _992524=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _892438=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (199) [system] _777494=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (198) [system] _662550=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (197) [system] _104154=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3666=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1031796)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1033654)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1047808)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1051598)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1031796=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _3662=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3628=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1062686)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1064544)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _1074138)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1076842)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1084580)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1087284)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1095022)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1097726)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1105464)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1108168)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1115906)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1118610)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1126348)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1129052)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1136790)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1139494)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1147232)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1149936)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1157674)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1160378)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1168116)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1170820)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1178558)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1181262)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1205580)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1211150)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1213008)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1227162)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1211150)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1232732)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1246886)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1252456)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1254314)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1268468)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1252456)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1274038)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1288192)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1293762)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1295620)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1309774)
   Exit: (197) [system] get_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, _1293762)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1327416)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1328350)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1327416=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _1293762)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1337660, _1337662), once(user:catch(read_from_chars([:], _1293762), _1337636, fail)), '$restore_trace'(_1337660, _1337662))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1337660, _1337662))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1337636, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1345160)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1347018)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1354756)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1357460)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1372538)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1378108)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1379966)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1394120)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1378108)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1411762)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1412696)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1417416, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1418348, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1425698)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1426632)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1431352, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1432284, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1439634)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1440568)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1445288, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1446220, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1453570)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1454504)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1459224, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1460156, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1467506)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1468440)
   Exit: (204) [system] peek_char((0x558d99e6bec0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1473160, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1474092, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x558d99e6bec0), f)
   Exit: (204) [system] get_char((0x558d99e6bec0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1481442)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1482376)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1487096, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1488028, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x558d99e6bec0), '2')
   Exit: (205) [system] get_char((0x558d99e6bec0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1495378)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1496312)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1495378=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1481442=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (204) [system] _1467506=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (203) [system] _1453570=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (202) [system] _1439634=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (201) [system] _1425698=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (200) [system] _1411762=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1378108)
   Call: (200) [system] atom_chars(_1522360, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1527024)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1528882)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1536620)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1539324)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1554402)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1559972)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1561830)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1575984)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1559972)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1593626)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1594560)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1599280, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1600212, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1607562)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1608496)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1613216, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1614148, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1621498)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1622432)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1627152, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_1628084, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1635434)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1636368)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1641088, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_1642020, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1649370)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1650304)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1655024, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_1655956, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1663306)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1664240)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1668960, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1669892, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1677242)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1678176)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1682896, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1683828, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1691178)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1692112)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_1696832, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_1697764, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x558d99e6bec0), '2')
   Exit: (208) [system] get_char((0x558d99e6bec0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1705114)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1706048)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1710768, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1705114=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1691178=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (207) [system] _1677242=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (206) [system] _1663306=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (205) [system] _1649370=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (204) [system] _1635434=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (203) [system] _1621498=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (202) [system] _1607562=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _1593626=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _1559972)
   Call: (201) [system] atom_chars(_1739556, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1744220)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1746078)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1760232)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _1764022)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _1744220=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1527024=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (197) [system] _1345160=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (196) [system] _1252456=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1777904)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1779762)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1787500)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1790204)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1805282)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1810852)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1812710)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1826864)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1810852)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1832434)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1846588)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1852158)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1854016)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1868170)
   Exit: (198) [system] get_char((0x558d99e6bec0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, _1852158)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1885812)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1886746)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1891466, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1892398, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899748)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1900682)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1905402, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1906334, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1913684)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1914618)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1919338, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1920270, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1927620)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1928554)
   Exit: (203) [system] peek_char((0x558d99e6bec0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_1933274, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_1934206, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x558d99e6bec0), h)
   Exit: (203) [system] get_char((0x558d99e6bec0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1941556)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1942490)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1947210, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1948142, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1955492)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1956426)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1961146, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1962078, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1969428)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1970362)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1975082, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1976014, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1983364)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1984298)
   Exit: (207) [system] peek_char((0x558d99e6bec0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_1989018, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_1989950, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x558d99e6bec0), z)
   Exit: (207) [system] get_char((0x558d99e6bec0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1997300)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1998234)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_2002954, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_2003886, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2011236)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2012170)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _2011236=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1997300=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (207) [system] _1983364=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (206) [system] _1969428=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (205) [system] _1955492=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (204) [system] _1941556=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (203) [system] _1927620=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (202) [system] _1913684=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (201) [system] _1899748=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _1885812=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1852158)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_2046626, _2046628), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1852158), _2046602, fail)), '$restore_trace'(_2046626, _2046628))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_2046626, _2046628))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2046602, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _2054126)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2055984)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _2063722)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2066426)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2081504)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _2087074)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2088932)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _10064)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _3790)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _15634)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _29788)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _35358)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _37216)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _51370)
   Exit: (201) [system] get_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, _35358)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _69012)
   Call: (203) [system] peek_char((0x558d99e6bec0), _69946)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _69012=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _35358)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_79256, _79258), once(user:catch(read_from_chars([:], _35358), _79232, fail)), '$restore_trace'(_79256, _79258))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_79256, _79258))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _79232, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _86756)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _88614)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _96352)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _99056)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _114134)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _119704)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _121562)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _135716)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _119704)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _153358)
   Call: (204) [system] peek_char((0x558d99e6bec0), _154292)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_159012, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_159944, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _167294)
   Call: (205) [system] peek_char((0x558d99e6bec0), _168228)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_172948, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_173880, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _181230)
   Call: (206) [system] peek_char((0x558d99e6bec0), _182164)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_186884, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_187816, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _195166)
   Call: (207) [system] peek_char((0x558d99e6bec0), _196100)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_200820, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_201752, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _209102)
   Call: (208) [system] peek_char((0x558d99e6bec0), _210036)
   Exit: (208) [system] peek_char((0x558d99e6bec0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_214756, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_215688, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x558d99e6bec0), f)
   Exit: (208) [system] get_char((0x558d99e6bec0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _223038)
   Call: (209) [system] peek_char((0x558d99e6bec0), _223972)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_228692, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_229624, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _236974)
   Call: (210) [system] peek_char((0x558d99e6bec0), _237908)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _236974=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _223038=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _209102=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (207) [system] _195166=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (206) [system] _181230=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (205) [system] _167294=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (204) [system] _153358=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _119704)
   Call: (204) [system] atom_chars(_263956, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _268620)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _270478)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _278216)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _280920)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _295998)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _301568)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _303426)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _317580)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _301568)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335222)
   Call: (205) [system] peek_char((0x558d99e6bec0), _336156)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_340876, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_341808, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _349158)
   Call: (206) [system] peek_char((0x558d99e6bec0), _350092)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_354812, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_355744, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _363094)
   Call: (207) [system] peek_char((0x558d99e6bec0), _364028)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_368748, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_369680, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _377030)
   Call: (208) [system] peek_char((0x558d99e6bec0), _377964)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_382684, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_383616, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _390966)
   Call: (209) [system] peek_char((0x558d99e6bec0), _391900)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_396620, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_397552, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _404902)
   Call: (210) [system] peek_char((0x558d99e6bec0), _405836)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_410556, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_411488, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _418838)
   Call: (211) [system] peek_char((0x558d99e6bec0), _419772)
   Exit: (211) [system] peek_char((0x558d99e6bec0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_424492, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_425424, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x558d99e6bec0), e)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _432774)
   Call: (212) [system] peek_char((0x558d99e6bec0), _433708)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_438428, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_439360, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x558d99e6bec0), '2')
   Exit: (212) [system] get_char((0x558d99e6bec0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _446710)
   Call: (213) [system] peek_char((0x558d99e6bec0), _447644)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_452364, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _446710=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _432774=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (211) [system] _418838=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (210) [system] _404902=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (209) [system] _390966=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (208) [system] _377030=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (207) [system] _363094=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (206) [system] _349158=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _335222=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _301568)
   Call: (205) [system] atom_chars(_481152, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _485816)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _487674)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _501828)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _505618)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _485816=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _268620=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (201) [system] _86756=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (200) [system] _3790=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _519500)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _521358)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _529096)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _531800)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _546878)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _552448)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _554306)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _568460)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _552448)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _586102)
   Call: (202) [system] peek_char((0x558d99e6bec0), _587036)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_591756, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_592688, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _600038)
   Call: (203) [system] peek_char((0x558d99e6bec0), _600972)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_605692, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_606624, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _613974)
   Call: (204) [system] peek_char((0x558d99e6bec0), _614908)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _613974=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _600038=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _586102=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _552448)
   Call: (202) [system] atom_chars(_629780, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _634444)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _636302)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _644040)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _646744)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _661822)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _667392)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _669250)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _683404)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _667392)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _701046)
   Call: (203) [system] peek_char((0x558d99e6bec0), _701980)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_706700, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_707632, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _714982)
   Call: (204) [system] peek_char((0x558d99e6bec0), _715916)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_720636, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_721568, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _728918)
   Call: (205) [system] peek_char((0x558d99e6bec0), _729852)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _728918=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _714982=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _701046=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _667392)
   Call: (203) [system] atom_chars(_744724, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _749388)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _751246)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _758984)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _761688)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _776766)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _782336)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _784194)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _798348)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _782336)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _815990)
   Call: (204) [system] peek_char((0x558d99e6bec0), _816924)
   Exit: (204) [system] peek_char((0x558d99e6bec0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_821644, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_822576, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x558d99e6bec0), k)
   Exit: (204) [system] get_char((0x558d99e6bec0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _829926)
   Call: (205) [system] peek_char((0x558d99e6bec0), _830860)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_835580, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _829926=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _815990=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _782336)
   Call: (204) [system] atom_chars(_844810, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _849474)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _851332)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _865486)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _869276)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _849474=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _749388=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (200) [system] _634444=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (199) [system] _519500=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (198) [system] _3786=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3778=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _888746)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _890604)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _904758)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _908548)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _888746=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _3774=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3740=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _919636)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _921494)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x558d99e6bec0), _931088)
   Exit: (194) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _933792)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _941530)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _944234)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _951972)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _954676)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _962414)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _965118)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _972856)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _975560)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _983298)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _986002)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _993740)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _996444)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1004182)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1006886)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1014624)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1017328)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1025066)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1027770)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1035508)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1038212)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1062530)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1068100)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1069958)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1084112)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1068100)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1089682)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1103836)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1109406)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1111264)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1125418)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1109406)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1130988)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1145142)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1150712)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1152570)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1166724)
   Exit: (198) [system] get_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, _1150712)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1184366)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1185300)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1184366=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1150712)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1194610, _1194612), once(user:catch(read_from_chars([:], _1150712), _1194586, fail)), '$restore_trace'(_1194610, _1194612))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1194610, _1194612))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1194586, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1202110)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1203968)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1211706)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1214410)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1229488)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1235058)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1236916)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1251070)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1235058)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1268712)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1269646)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1274366, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1275298, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1282648)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1283582)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1288302, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1289234, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1296584)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1297518)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1302238, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1303170, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1310520)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1311454)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1316174, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1317106, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1324456)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1325390)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1330110, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_1331042, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1338392)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1339326)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1344046, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_1344978, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x558d99e6bec0), '3')
   Exit: (206) [system] get_char((0x558d99e6bec0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1352328)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1353262)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1352328=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1338392=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (205) [system] _1324456=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (204) [system] _1310520=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (203) [system] _1296584=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (202) [system] _1282648=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (201) [system] _1268712=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _1235058)
   Call: (201) [system] atom_chars(_1379310, ['_', p, r, o, o, f, '3'])
   Exit: (201) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1383974)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1385832)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1393570)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1396274)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1411352)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1416922)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1418780)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1432934)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1416922)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1450576)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1451510)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1456230, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1457162, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1464512)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1465446)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1470166, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1471098, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1478448)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1479382)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1484102, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1485034, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1492384)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1493318)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_1498038, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_1498970, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1506320)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1507254)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1511974, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1512906, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1520256)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1521190)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1525910, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1526842, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1534192)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1535126)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1539846, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1540778, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1548128)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1549062)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_1553782, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_1554714, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x558d99e6bec0), '3')
   Exit: (209) [system] get_char((0x558d99e6bec0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1562064)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1562998)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1567718, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1562064=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1548128=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (208) [system] _1534192=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (207) [system] _1520256=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (206) [system] _1506320=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (205) [system] _1492384=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (204) [system] _1478448=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (203) [system] _1464512=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _1450576=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1416922)
   Call: (202) [system] atom_chars(_1596506, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (202) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1601170)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1603028)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1617182)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _1620972)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _1601170=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1383974=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise3])
   Call: (198) [system] _1202110=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof3, _premise3])
   Call: (197) [system] _1109406=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1634854)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1636712)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1644450)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1647154)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1662232)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1667802)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1669660)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1683814)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1667802)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1689384)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1703538)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1709108)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1710966)
   Exit: (200) [system] peek_char((0x558d99e6bec0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1725120)
   Exit: (199) [system] get_char((0x558d99e6bec0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), s, _1709108)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1742762)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1743696)
   Exit: (201) [system] peek_char((0x558d99e6bec0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1748416, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1749348, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x558d99e6bec0), y)
   Exit: (201) [system] get_char((0x558d99e6bec0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1756698)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1757632)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1762352, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1763284, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1770634)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1771568)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1776288, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1777220, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1784570)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1785504)
   Exit: (204) [system] peek_char((0x558d99e6bec0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_1790224, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_1791156, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x558d99e6bec0), h)
   Exit: (204) [system] get_char((0x558d99e6bec0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1798506)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1799440)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1804160, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1805092, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1812442)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1813376)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1818096, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_1819028, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1826378)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1827312)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1832032, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1832964, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1840314)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1841248)
   Exit: (208) [system] peek_char((0x558d99e6bec0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_1845968, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_1846900, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x558d99e6bec0), z)
   Exit: (208) [system] get_char((0x558d99e6bec0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1854250)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1855184)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1859904, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1860836, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1868186)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1869120)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1868186=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1854250=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (208) [system] _1840314=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (207) [system] _1826378=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (206) [system] _1812442=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (205) [system] _1798506=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (204) [system] _1784570=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (203) [system] _1770634=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (202) [system] _1756698=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _1742762=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1709108)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1903576, _1903578), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1709108), _1903552, fail)), '$restore_trace'(_1903576, _1903578))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1903576, _1903578))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1903552, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1911076)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1912934)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1920672)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1923376)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1938454)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1944024)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1945882)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1960036)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1944024)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1965606)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1979760)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1985330)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1987188)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _2001342)
   Exit: (202) [system] get_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, _1985330)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2018984)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2019918)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _2018984=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _1985330)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_2029228, _2029230), once(user:catch(read_from_chars([:], _1985330), _2029204, fail)), '$restore_trace'(_2029228, _2029230))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_2029228, _2029230))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2029204, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _2036728)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2038586)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _2046324)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2049028)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2064106)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _2069676)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2071534)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _2085688)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _3914)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _10364)
   Call: (205) [system] peek_char((0x558d99e6bec0), _11298)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_16018, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_16950, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _24300)
   Call: (206) [system] peek_char((0x558d99e6bec0), _25234)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_29954, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_30886, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _38236)
   Call: (207) [system] peek_char((0x558d99e6bec0), _39170)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_43890, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_44822, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52172)
   Call: (208) [system] peek_char((0x558d99e6bec0), _53106)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_57826, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_58758, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66108)
   Call: (209) [system] peek_char((0x558d99e6bec0), _67042)
   Exit: (209) [system] peek_char((0x558d99e6bec0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_71762, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_72694, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x558d99e6bec0), f)
   Exit: (209) [system] get_char((0x558d99e6bec0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80044)
   Call: (210) [system] peek_char((0x558d99e6bec0), _80978)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_85698, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_86630, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x558d99e6bec0), '3')
   Exit: (210) [system] get_char((0x558d99e6bec0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _93980)
   Call: (211) [system] peek_char((0x558d99e6bec0), _94914)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _93980=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _80044=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (209) [system] _66108=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (208) [system] _52172=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (207) [system] _38236=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (206) [system] _24300=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (205) [system] _10364=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _3914)
   Call: (205) [system] atom_chars(_120962, ['_', p, r, o, o, f, '3'])
   Exit: (205) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _125626)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _127484)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _135222)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _137926)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _153004)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _158574)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _160432)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _174586)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _158574)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _192228)
   Call: (206) [system] peek_char((0x558d99e6bec0), _193162)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_197882, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_198814, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _206164)
   Call: (207) [system] peek_char((0x558d99e6bec0), _207098)
   Exit: (207) [system] peek_char((0x558d99e6bec0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_211818, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_212750, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x558d99e6bec0), r)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _220100)
   Call: (208) [system] peek_char((0x558d99e6bec0), _221034)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_225754, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_226686, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _234036)
   Call: (209) [system] peek_char((0x558d99e6bec0), _234970)
   Exit: (209) [system] peek_char((0x558d99e6bec0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_239690, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_240622, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x558d99e6bec0), m)
   Exit: (209) [system] get_char((0x558d99e6bec0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247972)
   Call: (210) [system] peek_char((0x558d99e6bec0), _248906)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_253626, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_254558, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _261908)
   Call: (211) [system] peek_char((0x558d99e6bec0), _262842)
   Exit: (211) [system] peek_char((0x558d99e6bec0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_267562, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_268494, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x558d99e6bec0), s)
   Exit: (211) [system] get_char((0x558d99e6bec0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _275844)
   Call: (212) [system] peek_char((0x558d99e6bec0), _276778)
   Exit: (212) [system] peek_char((0x558d99e6bec0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_281498, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_282430, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x558d99e6bec0), e)
   Exit: (212) [system] get_char((0x558d99e6bec0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _289780)
   Call: (213) [system] peek_char((0x558d99e6bec0), _290714)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_295434, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_296366, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x558d99e6bec0), '3')
   Exit: (213) [system] get_char((0x558d99e6bec0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _303716)
   Call: (214) [system] peek_char((0x558d99e6bec0), _304650)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_309370, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _303716=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _289780=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (212) [system] _275844=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (211) [system] _261908=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (210) [system] _247972=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (209) [system] _234036=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (208) [system] _220100=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (207) [system] _206164=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _192228=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _158574)
   Call: (206) [system] atom_chars(_338158, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (206) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _342822)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _344680)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _358834)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _362624)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _342822=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _125626=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_premise3])
   Call: (202) [system] _3910=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_proof3, _premise3])
   Call: (201) [system] _3902=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _376506)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _378364)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _386102)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _388806)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _403884)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _409454)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _411312)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _425466)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _409454)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443108)
   Call: (203) [system] peek_char((0x558d99e6bec0), _444042)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_448762, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_449694, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _457044)
   Call: (204) [system] peek_char((0x558d99e6bec0), _457978)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_462698, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_463630, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _470980)
   Call: (205) [system] peek_char((0x558d99e6bec0), _471914)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _470980=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _457044=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _443108=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq($, [k, b], _409454)
   Call: (203) [system] atom_chars(_486786, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _491450)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _493308)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _501046)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _503750)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _518828)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _524398)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _526256)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _540410)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _524398)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _558052)
   Call: (204) [system] peek_char((0x558d99e6bec0), _558986)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_563706, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_564638, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _571988)
   Call: (205) [system] peek_char((0x558d99e6bec0), _572922)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_577642, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_578574, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _585924)
   Call: (206) [system] peek_char((0x558d99e6bec0), _586858)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _585924=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _571988=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (204) [system] _558052=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq($, [r, b], _524398)
   Call: (204) [system] atom_chars(_601730, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _606394)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _608252)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _615990)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _618694)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _633772)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _639342)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _641200)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _655354)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _639342)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _672996)
   Call: (205) [system] peek_char((0x558d99e6bec0), _673930)
   Exit: (205) [system] peek_char((0x558d99e6bec0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_678650, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_679582, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x558d99e6bec0), k)
   Exit: (205) [system] get_char((0x558d99e6bec0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _686932)
   Call: (206) [system] peek_char((0x558d99e6bec0), _687866)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_692586, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _686932=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _672996=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (204) [user] classify_and_convert_charseq($, [k], _639342)
   Call: (205) [system] atom_chars(_701816, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _706480)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _708338)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _722492)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _726282)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _706480=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _606394=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (201) [system] _491450=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (200) [system] _376506=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (199) [system] _3898=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3890=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _745752)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _747610)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _761764)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _765554)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _745752=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _3886=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3852=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _776642)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _778500)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _792654)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _796444)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _776642=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _3848=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (192) [system] _3736=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (191) [system] _3624=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (190) [system] _3540=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _815914)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _817772)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x558d99e6bec0), _827366)
   Exit: (189) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _830070)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _837808)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _840512)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _848250)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _850954)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _858692)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _861396)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _869134)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _871838)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _879576)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _882280)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _901978)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _907548)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _909406)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _923560)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _907548)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _941202)
   Call: (191) [system] peek_char((0x558d99e6bec0), _942136)
   Exit: (191) [system] peek_char((0x558d99e6bec0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_946856, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_947788, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x558d99e6bec0), q)
   Exit: (191) [system] get_char((0x558d99e6bec0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _955138)
   Call: (192) [system] peek_char((0x558d99e6bec0), _956072)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_960792, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_961724, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _969074)
   Call: (193) [system] peek_char((0x558d99e6bec0), _970008)
   Exit: (193) [system] peek_char((0x558d99e6bec0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_974728, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_975660, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x558d99e6bec0), e)
   Exit: (193) [system] get_char((0x558d99e6bec0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _983010)
   Call: (194) [system] peek_char((0x558d99e6bec0), _983944)
   Exit: (194) [system] peek_char((0x558d99e6bec0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_988664, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_989596, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x558d99e6bec0), r)
   Exit: (194) [system] get_char((0x558d99e6bec0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _996946)
   Call: (195) [system] peek_char((0x558d99e6bec0), _997880)
   Exit: (195) [system] peek_char((0x558d99e6bec0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1002600, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1003532, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x558d99e6bec0), y)
   Exit: (195) [system] get_char((0x558d99e6bec0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1010882)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1011816)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1016536, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1010882=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _996946=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (194) [system] _983010=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (193) [system] _969074=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (192) [system] _955138=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (191) [system] _941202=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _907548)
   Call: (191) [system] atom_chars(_1036942, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1041606)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1043464)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1057618)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1061408)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1041606=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _815914=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1075290)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1077148)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1091302)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1095092)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1075290=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300)), read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1113610, _1113612, _1113614, _1113616, _1113618))
^  Exit: (177) [user] retract(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _1116442))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _1116442)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), _1116442)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1119258))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1119258))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1119258)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1122058))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _1122058)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), _1122058)
   Call: (187) [system] var('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==[_1128578, _1128584]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), _1133212, _1133214)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t", 41, 0], _1136954)
   Call: (188) [apply] apply:maplist_([";;\t\t", 41, 0], _1136954, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t", _1138834)
   Call: (190) [system] var(";;\t\t")
   Call: (190) [system] atom(";;\t\t")
   Call: (190) [system] ";;\t\t"==true
   Call: (190) [system] ";;\t\t"==false
   Call: (190) [system] ";;\t\t"==[_1143476, _1143482]
   Call: (190) [system] is_list(";;\t\t")
   Call: (190) [system] string(";;\t\t")
   Exit: (190) [system] string(";;\t\t")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t")
^  Call: (190) [user] symbol(";;\t\t")
   Call: (191) [system] atom(";;\t\t")
   Fail: (191) [system] atom(";;\t\t")
^  Fail: (190) [user] symbol(";;\t\t")
   Call: (190) [system] ";;\t\t"=_1138834
   Exit: (190) [system] ";;\t\t"=";;\t\t"
^  Exit: (189) [user] mfix_vars1(";;\t\t", ";;\t\t")
   Call: (189) [apply] apply:maplist_([41, 0], _1138836, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(41, _1157356)
   Call: (191) [system] var(41)
   Call: (191) [system] atom(41)
   Call: (191) [system] 41==true
   Call: (191) [system] 41==false
   Call: (191) [system] 41==[_1161998, _1162004]
   Call: (191) [system] is_list(41)
   Call: (191) [system] string(41)
   Call: (191) [system] compound(41)
^  Call: (191) [user] symbol(41)
   Call: (192) [system] atom(41)
   Fail: (192) [system] atom(41)
^  Fail: (191) [user] symbol(41)
   Call: (191) [system] 41=_1157356
   Exit: (191) [system] 41=41
^  Exit: (190) [user] mfix_vars1(41, 41)
   Call: (190) [apply] apply:maplist_([0], _1157358, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1173122)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1177764, _1177770]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1173122
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1173124, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([41, 0], [41, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t", 41, 0], [";;\t\t", 41, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t", 41, 0], [";;\t\t", 41, 0])
   Call: (187) [system] compound_name_arguments(_1122058, '$COMMENT', [";;\t\t", 41, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1201940))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1201940))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1201940)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1204740))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _1204740)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), _1204740)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1116442))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1116442))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1116442)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1218698))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _1218698)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), _1218698)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1726258747_317601, 65)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258752.89384)
   Call: (173) [system] arg(1, t(1726258751.5709498), _3148)
   Exit: (173) [system] arg(1, t(1726258751.5709498), 1726258751.5709498)
   Call: (173) [system] _3158 is 1726258752.89384-1726258751.5709498
   Exit: (173) [system] 1.322890281677246 is 1726258752.89384-1726258751.5709498
   Call: (173) [system] 1.322890281677246>4
   Fail: (173) [system] 1.322890281677246>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 7)
   Call: (175) [system] atom(7+1)
   Call: (175) [system] set_flag(translated_forms, 8)
   Exit: (175) [system] set_flag(translated_forms, 8)
   Exit: (174) [$syspreds] update_flag(translated_forms, 7, 7+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 7, 7+1))
   Exit: (171) [$syspreds] flag(translated_forms, 7, 7+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1726258747_317601, 65)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;\t\t"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;\t\t"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1726258747_317601, 65)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 7, 7+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;\t\t", 41, 0), ynthesize_long_1726258747_317601, 65)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 73)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 73))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 73))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1293482)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1300904)
   Exit: (175) [system] peek_char((0x558d99e6bec0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1309242)
   Exit: (177) [system] peek_char((0x558d99e6bec0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1312028=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1313896, _1313898, _1313900, _1313902), read_sexpr((0x558d99e6bec0), _1313914), assertz(metta_file_comment(_1313896, _1313898, _1313900, _1313914, _1313902))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1313896, _1313898, _1313900, _1313902)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1313902))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1313902))
   Exit: (181) [system] nonvar(position(_1313902))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _1313896)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1324154)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _1313896)
   Exit: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _1313898)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1331588)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _1313898)
   Exit: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _1313900)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1339022)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _1313900)
   Exit: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1313914)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1313914)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1349248)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _1353886, _1353888, _1353890, _1353892)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_1353892))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_1353892))
   Exit: (185) [system] nonvar(position(_1353892))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _1353886)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1363180)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _1353886)
   Exit: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _1353888)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1370614)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _1353888)
   Exit: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _1353890)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1378048)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _1353890)
   Exit: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1383642)
   Call: (184) [system] get_char((0x558d99e6bec0), _1384572)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1390142)
   Call: (185) [system] get_char((0x558d99e6bec0), _1391072)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1396642)
   Call: (186) [system] get_char((0x558d99e6bec0), _1397572)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Fail: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
   Fail: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1403142)
   Call: (187) [system] get_char((0x558d99e6bec0), _1404072)
   Exit: (187) [system] get_char((0x558d99e6bec0), 'Q')
   Call: (187) [system] char_type('Q', end_of_line)
   Fail: (187) [system] char_type('Q', end_of_line)
   Call: (187) [system] 'Q'=end_of_file
   Fail: (187) [system] 'Q'=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1409642)
   Call: (188) [system] get_char((0x558d99e6bec0), _1410572)
   Exit: (188) [system] get_char((0x558d99e6bec0), u)
   Call: (188) [system] char_type(u, end_of_line)
   Fail: (188) [system] char_type(u, end_of_line)
   Call: (188) [system] u=end_of_file
   Fail: (188) [system] u=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1416142)
   Call: (189) [system] get_char((0x558d99e6bec0), _1417072)
   Exit: (189) [system] get_char((0x558d99e6bec0), a)
   Call: (189) [system] char_type(a, end_of_line)
   Fail: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] a=end_of_file
   Fail: (189) [system] a=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1422642)
   Call: (190) [system] get_char((0x558d99e6bec0), _1423572)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] char_type(t, end_of_line)
   Fail: (190) [system] char_type(t, end_of_line)
   Call: (190) [system] t=end_of_file
   Fail: (190) [system] t=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1429142)
   Call: (191) [system] get_char((0x558d99e6bec0), _1430072)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] char_type(e, end_of_line)
   Fail: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
   Fail: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1435642)
   Call: (192) [system] get_char((0x558d99e6bec0), _1436572)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] char_type(r, end_of_line)
   Fail: (192) [system] char_type(r, end_of_line)
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1442142)
   Call: (193) [system] get_char((0x558d99e6bec0), _1443072)
   Exit: (193) [system] get_char((0x558d99e6bec0), n)
   Call: (193) [system] char_type(n, end_of_line)
   Fail: (193) [system] char_type(n, end_of_line)
   Call: (193) [system] n=end_of_file
   Fail: (193) [system] n=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1448642)
   Call: (194) [system] get_char((0x558d99e6bec0), _1449572)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] char_type(a, end_of_line)
   Fail: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1455142)
   Call: (195) [system] get_char((0x558d99e6bec0), _1456072)
   Exit: (195) [system] get_char((0x558d99e6bec0), r)
   Call: (195) [system] char_type(r, end_of_line)
   Fail: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
   Fail: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1461642)
   Call: (196) [system] get_char((0x558d99e6bec0), _1462572)
   Exit: (196) [system] get_char((0x558d99e6bec0), y)
   Call: (196) [system] char_type(y, end_of_line)
   Fail: (196) [system] char_type(y, end_of_line)
   Call: (196) [system] y=end_of_file
   Fail: (196) [system] y=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1468142)
   Call: (197) [system] get_char((0x558d99e6bec0), _1469072)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1474642)
   Call: (198) [system] get_char((0x558d99e6bec0), _1475572)
   Exit: (198) [system] get_char((0x558d99e6bec0), r)
   Call: (198) [system] char_type(r, end_of_line)
   Fail: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
   Fail: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1481142)
   Call: (199) [system] get_char((0x558d99e6bec0), _1482072)
   Exit: (199) [system] get_char((0x558d99e6bec0), u)
   Call: (199) [system] char_type(u, end_of_line)
   Fail: (199) [system] char_type(u, end_of_line)
   Call: (199) [system] u=end_of_file
   Fail: (199) [system] u=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1487642)
   Call: (200) [system] get_char((0x558d99e6bec0), _1488572)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] char_type(l, end_of_line)
   Fail: (200) [system] char_type(l, end_of_line)
   Call: (200) [system] l=end_of_file
   Fail: (200) [system] l=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1494142)
   Call: (201) [system] get_char((0x558d99e6bec0), _1495072)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] char_type(e, end_of_line)
   Fail: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
   Fail: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1500642)
   Call: (202) [system] get_char((0x558d99e6bec0), _1501572)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _1500642=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (201) [system] string_concat(e, "", _1494142)
   Exit: (201) [system] string_concat(e, "", "e")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "e")
   Call: (200) [system] string_concat(l, "e", _1487642)
   Exit: (200) [system] string_concat(l, "e", "le")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "le")
   Call: (199) [system] string_concat(u, "le", _1481142)
   Exit: (199) [system] string_concat(u, "le", "ule")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "ule")
   Call: (198) [system] string_concat(r, "ule", _1474642)
   Exit: (198) [system] string_concat(r, "ule", "rule")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "rule")
   Call: (197) [system] string_concat(' ', "rule", _1468142)
   Exit: (197) [system] string_concat(' ', "rule", " rule")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), " rule")
   Call: (196) [system] string_concat(y, " rule", _1461642)
   Exit: (196) [system] string_concat(y, " rule", "y rule")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "y rule")
   Call: (195) [system] string_concat(r, "y rule", _1455142)
   Exit: (195) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ry rule")
   Call: (194) [system] string_concat(a, "ry rule", _1448642)
   Exit: (194) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "ary rule")
   Call: (193) [system] string_concat(n, "ary rule", _1442142)
   Exit: (193) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "nary rule")
   Call: (192) [system] string_concat(r, "nary rule", _1435642)
   Exit: (192) [system] string_concat(r, "nary rule", "rnary rule")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "rnary rule")
   Call: (191) [system] string_concat(e, "rnary rule", _1429142)
   Exit: (191) [system] string_concat(e, "rnary rule", "ernary rule")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "ernary rule")
   Call: (190) [system] string_concat(t, "ernary rule", _1422642)
   Exit: (190) [system] string_concat(t, "ernary rule", "ternary rule")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "ternary rule")
   Call: (189) [system] string_concat(a, "ternary rule", _1416142)
   Exit: (189) [system] string_concat(a, "ternary rule", "aternary rule")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "aternary rule")
   Call: (188) [system] string_concat(u, "aternary rule", _1409642)
   Exit: (188) [system] string_concat(u, "aternary rule", "uaternary rule")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "uaternary rule")
   Call: (187) [system] string_concat('Q', "uaternary rule", _1403142)
   Exit: (187) [system] string_concat('Q', "uaternary rule", "Quaternary rule")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "Quaternary rule")
   Call: (186) [system] string_concat(' ', "Quaternary rule", _1396642)
   Exit: (186) [system] string_concat(' ', "Quaternary rule", " Quaternary rule")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), " Quaternary rule")
   Call: (185) [system] string_concat(;, " Quaternary rule", _1390142)
   Exit: (185) [system] string_concat(;, " Quaternary rule", "; Quaternary rule")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "; Quaternary rule")
   Call: (184) [system] string_concat(;, "; Quaternary rule", _1383642)
   Exit: (184) [system] string_concat(;, "; Quaternary rule", ";; Quaternary rule")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";; Quaternary rule")
^  Call: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1562200)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1577278)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1313914)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1582848)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1597002)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1602572)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1604430)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1618584)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1602572)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1636226)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1637160)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1636226=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1602572)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1646470, _1646472), once(user:catch(read_from_chars([=], _1602572), _1646446, fail)), '$restore_trace'(_1646470, _1646472))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1646470, _1646472))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1646446, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1653970)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1655828)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1663566)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1666270)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1681348)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1686918)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1688776)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1702930)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1686918)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1708500)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1722654)
   Exit: (185) [system] peek_char((0x558d99e6bec0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1728224)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1730082)
   Exit: (187) [system] peek_char((0x558d99e6bec0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1744236)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, _1728224)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1761878)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1762812)
   Exit: (188) [system] peek_char((0x558d99e6bec0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1767532, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_1768464, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x558d99e6bec0), y)
   Exit: (188) [system] get_char((0x558d99e6bec0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1775814)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1776748)
   Exit: (189) [system] peek_char((0x558d99e6bec0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1781468, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_1782400, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x558d99e6bec0), n)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1789750)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1790684)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1795404, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_1796336, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1803686)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1804620)
   Exit: (191) [system] peek_char((0x558d99e6bec0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1809340, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_1810272, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x558d99e6bec0), h)
   Exit: (191) [system] get_char((0x558d99e6bec0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1817622)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1818556)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1823276, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_1824208, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1831558)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1832492)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1837212, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_1838144, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1845494)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1846428)
   Exit: (194) [system] peek_char((0x558d99e6bec0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1851148, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_1852080, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x558d99e6bec0), i)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1859430)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1860364)
   Exit: (195) [system] peek_char((0x558d99e6bec0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1865084, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_1866016, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x558d99e6bec0), z)
   Exit: (195) [system] get_char((0x558d99e6bec0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1873366)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1874300)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1879020, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1879952, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1887302)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1888236)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1887302=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1873366=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (195) [system] _1859430=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (194) [system] _1845494=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (193) [system] _1831558=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (192) [system] _1817622=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (191) [system] _1803686=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (190) [system] _1789750=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (189) [system] _1775814=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1761878=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1728224)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1922692, _1922694), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1728224), _1922668, fail)), '$restore_trace'(_1922692, _1922694))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1922692, _1922694))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1922668, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1930192)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1932050)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1939788)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1942492)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1957570)
   Exit: (186) [system] peek_char((0x558d99e6bec0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1963140)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1964998)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1979152)
   Exit: (187) [system] get_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _1963140)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1996794)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1997728)
   Exit: (189) [system] peek_char((0x558d99e6bec0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_2002448, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_2003380, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x558d99e6bec0), q)
   Exit: (189) [system] get_char((0x558d99e6bec0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2010730)
   Call: (190) [system] peek_char((0x558d99e6bec0), _2011664)
   Exit: (190) [system] peek_char((0x558d99e6bec0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_2016384, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_2017316, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x558d99e6bec0), u)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2024666)
   Call: (191) [system] peek_char((0x558d99e6bec0), _2025600)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_2030320, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_2031252, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2038602)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2039536)
   Exit: (192) [system] peek_char((0x558d99e6bec0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_2044256, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_2045188, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x558d99e6bec0), r)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2052538)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2053472)
   Exit: (193) [system] peek_char((0x558d99e6bec0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_2058192, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_2059124, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x558d99e6bec0), y)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2066474)
   Call: (194) [system] peek_char((0x558d99e6bec0), _2067408)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _2066474=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _2052538=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (192) [system] _2038602=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (191) [system] _2024666=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (190) [system] _2010730=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (189) [system] _1996794=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1963140)
   Call: (189) [system] atom_chars(_2090662, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _2095326)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _3776)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _11514)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _14218)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _29296)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _34866)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _36724)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _50878)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _34866)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68520)
   Call: (190) [system] peek_char((0x558d99e6bec0), _69454)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_74174, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_75106, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x558d99e6bec0), k)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _82456)
   Call: (191) [system] peek_char((0x558d99e6bec0), _83390)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_88110, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_89042, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _96392)
   Call: (192) [system] peek_char((0x558d99e6bec0), _97326)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _96392=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _82456=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (190) [system] _68520=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _34866)
   Call: (190) [system] atom_chars(_112198, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _116862)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _118720)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _126458)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _129162)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _144240)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _149810)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _151668)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _165822)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _149810)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _183464)
   Call: (191) [system] peek_char((0x558d99e6bec0), _184398)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_189118, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_190050, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _197400)
   Call: (192) [system] peek_char((0x558d99e6bec0), _198334)
   Exit: (192) [system] peek_char((0x558d99e6bec0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_203054, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_203986, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x558d99e6bec0), b)
   Exit: (192) [system] get_char((0x558d99e6bec0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _211336)
   Call: (193) [system] peek_char((0x558d99e6bec0), _212270)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _211336=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _197400=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (191) [system] _183464=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _149810)
   Call: (191) [system] atom_chars(_227142, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _231806)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _233664)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _241402)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _244106)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _259184)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _264754)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _266612)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _280766)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _264754)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _286336)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _300490)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _306060)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _307918)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _322072)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _306060)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _339714)
   Call: (194) [system] peek_char((0x558d99e6bec0), _340648)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _339714=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _306060)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_349958, _349960), once(user:catch(read_from_chars(['S'], _306060), _349934, fail)), '$restore_trace'(_349958, _349960))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_349958, _349960))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _306060), _349934, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_306060)
   Fail: (194) [system] atomic(_306060)
   Call: (194) [system] atom_chars(_306060, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _359334)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _361192)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _368930)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _371634)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _386712)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _392282)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _394140)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _408294)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _392282)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _425936)
   Call: (195) [system] peek_char((0x558d99e6bec0), _426870)
   Exit: (195) [system] peek_char((0x558d99e6bec0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_431590, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_432522, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x558d99e6bec0), k)
   Exit: (195) [system] get_char((0x558d99e6bec0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _439872)
   Call: (196) [system] peek_char((0x558d99e6bec0), _440806)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_445526, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _439872=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _425936=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _392282)
   Call: (195) [system] atom_chars(_454756, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _459420)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _461278)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _475432)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _479222)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _459420=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _359334=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (191) [system] _264754=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _490310)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _492168)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _506322)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _510112)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _490310=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _231806=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [['S', _k]])
   Call: (188) [system] _116862=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_rb, ['S', _k]])
   Call: (187) [system] _3384=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3374=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3366=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _529582)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _531440)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x558d99e6bec0), _541034)
   Exit: (185) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _543738)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _551476)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _554180)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _561918)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _564622)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _572360)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _575064)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _592914)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _598484)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _600342)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _614496)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _598484)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _620066)
   Exit: (187) [system] peek_char((0x558d99e6bec0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _634220)
   Exit: (186) [system] peek_char((0x558d99e6bec0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _639790)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _641648)
   Exit: (188) [system] peek_char((0x558d99e6bec0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _655802)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, _639790)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _673444)
   Call: (189) [system] peek_char((0x558d99e6bec0), _674378)
   Exit: (189) [system] peek_char((0x558d99e6bec0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_679098, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_680030, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x558d99e6bec0), e)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _687380)
   Call: (190) [system] peek_char((0x558d99e6bec0), _688314)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_693034, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_693966, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _701316)
   Call: (191) [system] peek_char((0x558d99e6bec0), _702250)
   Exit: (191) [system] peek_char((0x558d99e6bec0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_706970, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_707902, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x558d99e6bec0), *)
   Exit: (191) [system] get_char((0x558d99e6bec0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _715252)
   Call: (192) [system] peek_char((0x558d99e6bec0), _716186)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _715252=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _701316=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [*])
   Call: (190) [system] _687380=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, *])
   Call: (189) [system] _673444=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _639790)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_733878, _733880), once(user:catch(read_from_chars([l, e, t, *], _639790), _733854, fail)), '$restore_trace'(_733878, _733880))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_733878, _733880))
   Call: (189) [system] atom_chars(_3436, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), 'let*')
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _8208)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _10066)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _17804)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _20508)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _35586)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _41156)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _43014)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _57168)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _41156)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _62738)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _76892)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _82462)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _84320)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _98474)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _82462)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _104044)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _118198)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _123768)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _125626)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _139780)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _123768)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _145350)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _159504)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _165074)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _166932)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _181086)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _165074)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198728)
   Call: (196) [system] peek_char((0x558d99e6bec0), _199662)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _198728=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _165074)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_208972, _208974), once(user:catch(read_from_chars([:], _165074), _208948, fail)), '$restore_trace'(_208972, _208974))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_208972, _208974))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _208948, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _216472)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _218330)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _226068)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228772)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _243850)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _249420)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _251278)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _265432)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _249420)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _283074)
   Call: (197) [system] peek_char((0x558d99e6bec0), _284008)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_288728, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_289660, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _297010)
   Call: (198) [system] peek_char((0x558d99e6bec0), _297944)
   Exit: (198) [system] peek_char((0x558d99e6bec0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_302664, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_303596, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x558d99e6bec0), u)
   Exit: (198) [system] get_char((0x558d99e6bec0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310946)
   Call: (199) [system] peek_char((0x558d99e6bec0), _311880)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_316600, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_317532, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324882)
   Call: (200) [system] peek_char((0x558d99e6bec0), _325816)
   Exit: (200) [system] peek_char((0x558d99e6bec0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_330536, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_331468, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x558d99e6bec0), t)
   Exit: (200) [system] get_char((0x558d99e6bec0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338818)
   Call: (201) [system] peek_char((0x558d99e6bec0), _339752)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_344472, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_345404, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352754)
   Call: (202) [system] peek_char((0x558d99e6bec0), _353688)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_358408, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_359340, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366690)
   Call: (203) [system] peek_char((0x558d99e6bec0), _367624)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _366690=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _352754=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (201) [system] _338818=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (200) [system] _324882=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (199) [system] _310946=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (198) [system] _297010=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (197) [system] _283074=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _249420)
   Call: (197) [system] atom_chars(_393672, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _398336)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _400194)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _407932)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _410636)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _425714)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _431284)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _433142)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _447296)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _431284)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _452866)
   Exit: (198) [system] peek_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _467020)
   Exit: (197) [system] peek_char((0x558d99e6bec0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _472590)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _474448)
   Exit: (199) [system] peek_char((0x558d99e6bec0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _488602)
   Exit: (198) [system] get_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, _472590)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506244)
   Call: (200) [system] peek_char((0x558d99e6bec0), _507178)
   Exit: (200) [system] peek_char((0x558d99e6bec0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_511898, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_512830, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x558d99e6bec0), >)
   Exit: (200) [system] get_char((0x558d99e6bec0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520180)
   Call: (201) [system] peek_char((0x558d99e6bec0), _521114)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _520180=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _506244=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _472590)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_533218, _533220), once(user:catch(read_from_chars([-, >], _472590), _533194, fail)), '$restore_trace'(_533218, _533220))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_533218, _533220))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _533194, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _540718)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _542576)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _550314)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _553018)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _568096)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _573666)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _575524)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _589678)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _573666)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _607320)
   Call: (201) [system] peek_char((0x558d99e6bec0), _608254)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_612974, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_613906, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _621256)
   Call: (202) [system] peek_char((0x558d99e6bec0), _622190)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_626910, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_627842, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _635192)
   Call: (203) [system] peek_char((0x558d99e6bec0), _636126)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_640846, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_641778, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649128)
   Call: (204) [system] peek_char((0x558d99e6bec0), _650062)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_654782, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_655714, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663064)
   Call: (205) [system] peek_char((0x558d99e6bec0), _663998)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_668718, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_669650, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _677000)
   Call: (206) [system] peek_char((0x558d99e6bec0), _677934)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_682654, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_683586, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _690936)
   Call: (207) [system] peek_char((0x558d99e6bec0), _691870)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_696590, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_697522, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _704872)
   Call: (208) [system] peek_char((0x558d99e6bec0), _705806)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_710526, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_711458, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _718808)
   Call: (209) [system] peek_char((0x558d99e6bec0), _719742)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _718808=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _704872=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _690936=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (206) [system] _677000=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (205) [system] _663064=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (204) [system] _649128=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (203) [system] _635192=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (202) [system] _621256=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _607320=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _573666)
   Call: (201) [system] atom_chars(_751378, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _756042)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _757900)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _765638)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _768342)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _783420)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _788990)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _790848)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _805002)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _788990)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _822644)
   Call: (202) [system] peek_char((0x558d99e6bec0), _823578)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_828298, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_829230, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _836580)
   Call: (203) [system] peek_char((0x558d99e6bec0), _837514)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_842234, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_843166, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _850516)
   Call: (204) [system] peek_char((0x558d99e6bec0), _851450)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_856170, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_857102, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _864452)
   Call: (205) [system] peek_char((0x558d99e6bec0), _865386)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_870106, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_871038, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _878388)
   Call: (206) [system] peek_char((0x558d99e6bec0), _879322)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_884042, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_884974, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892324)
   Call: (207) [system] peek_char((0x558d99e6bec0), _893258)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_897978, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_898910, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _906260)
   Call: (208) [system] peek_char((0x558d99e6bec0), _907194)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_911914, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_912846, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _920196)
   Call: (209) [system] peek_char((0x558d99e6bec0), _921130)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_925850, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_926782, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934132)
   Call: (210) [system] peek_char((0x558d99e6bec0), _935066)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _934132=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _920196=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _906260=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (207) [system] _892324=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (206) [system] _878388=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (205) [system] _864452=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (204) [system] _850516=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (203) [system] _836580=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _822644=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _788990)
   Call: (202) [system] atom_chars(_966702, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _971366)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _973224)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _980962)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _983666)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _998744)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1004314)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1006172)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1020326)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1004314)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037968)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1038902)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1043622, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1044554, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051904)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1052838)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1057558, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1058490, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065840)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1066774)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1071494, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1072426, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1079776)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1080710)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1085430, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1086362, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093712)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1094646)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1099366, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1100298, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107648)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1108582)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1113302, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1114234, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121584)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1122518)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1127238, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1128170, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1135520)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1136454)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1141174, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1142106, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x558d99e6bec0), '3')
   Exit: (210) [system] get_char((0x558d99e6bec0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1149456)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1150390)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1149456=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1135520=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (209) [system] _1121584=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (208) [system] _1107648=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (207) [system] _1093712=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (206) [system] _1079776=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (205) [system] _1065840=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1051904=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1037968=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1004314)
   Call: (203) [system] atom_chars(_1182026, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1186690)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1188548)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1196286)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1198990)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1214068)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1219638)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1221496)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1235650)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1219638)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1253292)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1254226)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1258946, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1259878, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1267228)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1268162)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1272882, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1273814, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1281164)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1282098)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1286818, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1287750, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1295100)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1296034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1300754, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1301686, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1309036)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1309970)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1314690, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1315622, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1322972)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1323906)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1328626, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1329558, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1336908)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1337842)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1342562, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1343494, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1350844)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1351778)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1356498, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1357430, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x558d99e6bec0), '4')
   Exit: (211) [system] get_char((0x558d99e6bec0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1364780)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1365714)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1364780=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1350844=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (210) [system] _1336908=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '4'])
   Call: (209) [system] _1322972=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '4'])
   Call: (208) [system] _1309036=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '4'])
   Call: (207) [system] _1295100=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '4'])
   Call: (206) [system] _1281164=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '4'])
   Call: (205) [system] _1267228=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1253292=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _1219638)
   Call: (204) [system] atom_chars(_1397350, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise4)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1402014)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1403872)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1411610)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1414314)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1429392)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1434962)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1436820)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1450974)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1434962)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1468616)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1469550)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1474270, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1475202, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x558d99e6bec0), c)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1482552)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1483486)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1488206, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1489138, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1496488)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1497422)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1502142, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1503074, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1510424)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1511358)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1516078, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1517010, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x558d99e6bec0), c)
   Exit: (208) [system] get_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1524360)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1525294)
   Exit: (209) [system] peek_char((0x558d99e6bec0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1530014, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_1530946, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x558d99e6bec0), l)
   Exit: (209) [system] get_char((0x558d99e6bec0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1538296)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1539230)
   Exit: (210) [system] peek_char((0x558d99e6bec0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1543950, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_1544882, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x558d99e6bec0), u)
   Exit: (210) [system] get_char((0x558d99e6bec0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1552232)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1553166)
   Exit: (211) [system] peek_char((0x558d99e6bec0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1557886, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1558818, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x558d99e6bec0), s)
   Exit: (211) [system] get_char((0x558d99e6bec0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1566168)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1567102)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1571822, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1572754, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1580104)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1581038)
   Exit: (213) [system] peek_char((0x558d99e6bec0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1585758, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1586690, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x558d99e6bec0), o)
   Exit: (213) [system] get_char((0x558d99e6bec0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594040)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1594974)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1599694, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1600626, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1607976)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1608910)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1613630, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1607976=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1594040=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (213) [system] _1580104=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (212) [system] _1566168=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (211) [system] _1552232=[s, i, o, n]
   Exit: (211) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (210) [system] _1538296=[u, s, i, o, n]
   Exit: (210) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (209) [system] _1524360=[l, u, s, i, o, n]
   Exit: (209) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (208) [system] _1510424=[c, l, u, s, i, o, n]
   Exit: (208) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (207) [system] _1496488=[n, c, l, u, s, i, o, n]
   Exit: (207) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (206) [system] _1482552=[o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (205) [system] _1468616=[c, o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1434962)
   Call: (205) [system] atom_chars(_1648006, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (205) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1652670)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1654528)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1668682)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1672472)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1652670=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1402014=[_conclusion]
   Exit: (202) [system] [_conclusion]=[_conclusion]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (201) [system] _1186690=[_premise4, _conclusion]
   Exit: (201) [system] [_premise4, _conclusion]=[_premise4, _conclusion]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise4, _conclusion])
   Call: (200) [system] _971366=[_premise3, _premise4, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _conclusion]=[_premise3, _premise4, _conclusion]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_premise3, _premise4, _conclusion])
   Call: (199) [system] _756042=[_premise2, _premise3, _premise4, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _conclusion]=[_premise2, _premise3, _premise4, _conclusion]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise2, _premise3, _premise4, _conclusion])
   Call: (198) [system] _540718=[_premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (197) [system] _431284=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1694736)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1696594)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1710748)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1714538)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1694736=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _398336=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (194) [system] _216472=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (193) [system] _123768=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1728420)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1730278)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1738016)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1740720)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1755798)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1761368)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1763226)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1777380)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1761368)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1782950)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1797104)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1802674)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1804532)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1818686)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1802674)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1836328)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1837262)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1841982, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1842914, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1850264)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1851198)
   Exit: (198) [system] peek_char((0x558d99e6bec0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1855918, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_1856850, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x558d99e6bec0), b)
   Exit: (198) [system] get_char((0x558d99e6bec0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1864200)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1865134)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1869854, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1864200=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1850264=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (197) [system] _1836328=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1802674)
   Call: (197) [system] atom_chars(_1881878, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1886542)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1888400)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1902554)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1906344)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1886542=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1761368=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [_rb])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1914638)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1916496)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1930650)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1934440)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1914638=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1728420=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[_rb]])
   Call: (191) [system] _82462=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1945528)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1947386)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1956980)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1959684)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1967422)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1970126)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1977864)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1980568)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1988306)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1991010)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1998748)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2001452)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _2009190)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2011894)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _2019632)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2022336)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _2030074)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2032778)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _2040516)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2043220)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _2050958)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2053662)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _2061400)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2064104)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2088422)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _2093992)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _2095850)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _16714)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _3554)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _22284)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _36438)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _42008)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _43866)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _58020)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _42008)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _63590)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _77744)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _83314)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _85172)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _99326)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _83314)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _116968)
   Call: (197) [system] peek_char((0x558d99e6bec0), _117902)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _116968=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _83314)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_127212, _127214), once(user:catch(read_from_chars([:], _83314), _127188, fail)), '$restore_trace'(_127212, _127214))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_127212, _127214))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _127188, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _134712)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _136570)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _144308)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _147012)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _162090)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _167660)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _169518)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _183672)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _167660)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _189242)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _203396)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _208966)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _210824)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _224978)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _208966)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _242620)
   Call: (200) [system] peek_char((0x558d99e6bec0), _243554)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_248274, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_249206, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _256556)
   Call: (201) [system] peek_char((0x558d99e6bec0), _257490)
   Exit: (201) [system] peek_char((0x558d99e6bec0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_262210, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_263142, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x558d99e6bec0), u)
   Exit: (201) [system] get_char((0x558d99e6bec0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _270492)
   Call: (202) [system] peek_char((0x558d99e6bec0), _271426)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_276146, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_277078, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _284428)
   Call: (203) [system] peek_char((0x558d99e6bec0), _285362)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_290082, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_291014, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _298364)
   Call: (204) [system] peek_char((0x558d99e6bec0), _299298)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_304018, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_304950, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _312300)
   Call: (205) [system] peek_char((0x558d99e6bec0), _313234)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_317954, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_318886, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _326236)
   Call: (206) [system] peek_char((0x558d99e6bec0), _327170)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _326236=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _312300=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (204) [system] _298364=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (203) [system] _284428=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (202) [system] _270492=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (201) [system] _256556=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (200) [system] _242620=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _208966)
   Call: (200) [system] atom_chars(_353218, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _357882)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _359740)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _367478)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _370182)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _385260)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _390830)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _392688)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _406842)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _390830)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _424484)
   Call: (201) [system] peek_char((0x558d99e6bec0), _425418)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_430138, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_431070, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _438420)
   Call: (202) [system] peek_char((0x558d99e6bec0), _439354)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_444074, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_445006, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _452356)
   Call: (203) [system] peek_char((0x558d99e6bec0), _453290)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_458010, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_458942, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _466292)
   Call: (204) [system] peek_char((0x558d99e6bec0), _467226)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_471946, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_472878, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _480228)
   Call: (205) [system] peek_char((0x558d99e6bec0), _481162)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_485882, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_486814, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494164)
   Call: (206) [system] peek_char((0x558d99e6bec0), _495098)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_499818, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_500750, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x558d99e6bec0), '1')
   Exit: (206) [system] get_char((0x558d99e6bec0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _508100)
   Call: (207) [system] peek_char((0x558d99e6bec0), _509034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _508100=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _494164=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (205) [system] _480228=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (204) [system] _466292=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (203) [system] _452356=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (202) [system] _438420=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (201) [system] _424484=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _390830)
   Call: (201) [system] atom_chars(_535082, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _539746)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _541604)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _549342)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _552046)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _567124)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _572694)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _574552)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _588706)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _572694)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _606348)
   Call: (202) [system] peek_char((0x558d99e6bec0), _607282)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_612002, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_612934, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _620284)
   Call: (203) [system] peek_char((0x558d99e6bec0), _621218)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_625938, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_626870, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _634220)
   Call: (204) [system] peek_char((0x558d99e6bec0), _635154)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_639874, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_640806, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _648156)
   Call: (205) [system] peek_char((0x558d99e6bec0), _649090)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_653810, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_654742, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _662092)
   Call: (206) [system] peek_char((0x558d99e6bec0), _663026)
   Exit: (206) [system] peek_char((0x558d99e6bec0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_667746, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_668678, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x558d99e6bec0), f)
   Exit: (206) [system] get_char((0x558d99e6bec0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _676028)
   Call: (207) [system] peek_char((0x558d99e6bec0), _676962)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_681682, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_682614, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x558d99e6bec0), '2')
   Exit: (207) [system] get_char((0x558d99e6bec0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _689964)
   Call: (208) [system] peek_char((0x558d99e6bec0), _690898)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _689964=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _676028=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (206) [system] _662092=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (205) [system] _648156=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (204) [system] _634220=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (203) [system] _620284=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (202) [system] _606348=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _572694)
   Call: (202) [system] atom_chars(_716946, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _721610)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _723468)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _731206)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _733910)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _748988)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _754558)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _756416)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _770570)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _754558)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _788212)
   Call: (203) [system] peek_char((0x558d99e6bec0), _789146)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_793866, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_794798, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _802148)
   Call: (204) [system] peek_char((0x558d99e6bec0), _803082)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_807802, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_808734, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _816084)
   Call: (205) [system] peek_char((0x558d99e6bec0), _817018)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_821738, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_822670, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _830020)
   Call: (206) [system] peek_char((0x558d99e6bec0), _830954)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_835674, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_836606, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _843956)
   Call: (207) [system] peek_char((0x558d99e6bec0), _844890)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_849610, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_850542, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _857892)
   Call: (208) [system] peek_char((0x558d99e6bec0), _858826)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_863546, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_864478, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x558d99e6bec0), '3')
   Exit: (208) [system] get_char((0x558d99e6bec0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _871828)
   Call: (209) [system] peek_char((0x558d99e6bec0), _872762)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _871828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _857892=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (207) [system] _843956=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (206) [system] _830020=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (205) [system] _816084=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (204) [system] _802148=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (203) [system] _788212=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _754558)
   Call: (203) [system] atom_chars(_898810, ['_', p, r, o, o, f, '3'])
   Exit: (203) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _903474)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _905332)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _913070)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _915774)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _930852)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _936422)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _938280)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _952434)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _936422)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _970076)
   Call: (204) [system] peek_char((0x558d99e6bec0), _971010)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_975730, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_976662, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _984012)
   Call: (205) [system] peek_char((0x558d99e6bec0), _984946)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_989666, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_990598, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _997948)
   Call: (206) [system] peek_char((0x558d99e6bec0), _998882)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1003602, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1004534, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1011884)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1012818)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1017538, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1018470, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1025820)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1026754)
   Exit: (208) [system] peek_char((0x558d99e6bec0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1031474, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1032406, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x558d99e6bec0), f)
   Exit: (208) [system] get_char((0x558d99e6bec0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039756)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1040690)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1045410, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1046342, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x558d99e6bec0), '4')
   Exit: (209) [system] get_char((0x558d99e6bec0), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053692)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1054626)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1059346, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1053692=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1039756=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (208) [system] _1025820=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '4'])
   Call: (207) [system] _1011884=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '4'])
   Call: (206) [system] _997948=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '4'])
   Call: (205) [system] _984012=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '4'])
   Call: (204) [system] _970076=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _936422)
   Call: (204) [system] atom_chars(_1082546, ['_', p, r, o, o, f, '4'])
   Exit: (204) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _proof4)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1087210)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1089068)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1103222)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1107012)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1087210=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _903474=[_proof4]
   Exit: (201) [system] [_proof4]=[_proof4]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_proof4])
   Call: (200) [system] _721610=[_proof3, _proof4]
   Exit: (200) [system] [_proof3, _proof4]=[_proof3, _proof4]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof3, _proof4])
   Call: (199) [system] _539746=[_proof2, _proof3, _proof4]
   Exit: (199) [system] [_proof2, _proof3, _proof4]=[_proof2, _proof3, _proof4]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_proof2, _proof3, _proof4])
   Call: (198) [system] _357882=[_proof1, _proof2, _proof3, _proof4]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4]=[_proof1, _proof2, _proof3, _proof4]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof1, _proof2, _proof3, _proof4])
   Call: (197) [system] _167660=[_ructor, _proof1, _proof2, _proof3, _proof4]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4]=[_ructor, _proof1, _proof2, _proof3, _proof4]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1126482)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1128340)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1136078)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1138782)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1153860)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1159430)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1161288)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1175442)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _1159430)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1193084)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1194018)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1198738, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1199670, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1207020)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1207954)
   Exit: (200) [system] peek_char((0x558d99e6bec0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1212674, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1213606, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x558d99e6bec0), o)
   Exit: (200) [system] get_char((0x558d99e6bec0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1220956)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1221890)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1226610, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1227542, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1234892)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1235826)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1240546, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1241478, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1248828)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1249762)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1254482, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1255414, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1262764)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1263698)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1268418, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1269350, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1276700)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1277634)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1282354, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1283286, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1290636)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1291570)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1296290, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1297222, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1304572)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1305506)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1310226, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1311158, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1318508)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1319442)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1324162, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1325094, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1332444)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1333378)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1338098, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1332444=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1318508=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (207) [system] _1304572=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (206) [system] _1290636=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (205) [system] _1276700=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (204) [system] _1262764=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (203) [system] _1248828=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (202) [system] _1234892=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1220956=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1207020=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1193084=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1159430)
   Call: (199) [system] atom_chars(_1372474, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1377138)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1378996)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1393150)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1396940)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1377138=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1126482=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (195) [system] _134712=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (194) [system] _42008=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1410822)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1412680)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1420418)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1423122)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1438200)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1443770)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1445628)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1459782)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1443770)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1477424)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1478358)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1483078, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1484010, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1491360)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1492294)
   Exit: (197) [system] peek_char((0x558d99e6bec0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1497014, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1497946, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x558d99e6bec0), u)
   Exit: (197) [system] get_char((0x558d99e6bec0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1505296)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1506230)
   Exit: (198) [system] peek_char((0x558d99e6bec0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1510950, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1511882, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x558d99e6bec0), e)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1519232)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1520166)
   Exit: (199) [system] peek_char((0x558d99e6bec0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1524886, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1525818, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x558d99e6bec0), r)
   Exit: (199) [system] get_char((0x558d99e6bec0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1533168)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1534102)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1538822, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1539754, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1547104)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1548038)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1552758, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1547104=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1533168=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (199) [system] _1519232=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (198) [system] _1505296=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (197) [system] _1491360=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (196) [system] _1477424=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1443770)
   Call: (196) [system] atom_chars(_1573164, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1577828)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1579686)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1593840)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1597630)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1577828=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1410822=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (192) [system] _3554=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1608718)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1610576)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x558d99e6bec0), _1620170)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1622874)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1630612)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1633316)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1641054)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1643758)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1651496)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1654200)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1661938)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1664642)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1672380)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1675084)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1682822)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1685526)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1693264)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1695968)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1703706)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1706410)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1714148)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1716852)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1724590)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1727294)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1751612)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1757182)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1759040)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1773194)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1757182)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1778764)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1792918)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1798488)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1800346)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1814500)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1798488)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1820070)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1834224)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1839794)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1841652)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1855806)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _1839794)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1873448)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1874382)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1873448=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _1839794)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1883692, _1883694), once(user:catch(read_from_chars([:], _1839794), _1883668, fail)), '$restore_trace'(_1883692, _1883694))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1883692, _1883694))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1883668, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1891192)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1893050)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1900788)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1903492)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1918570)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1924140)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1925998)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1940152)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _1924140)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1957794)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1958728)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1963448, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1964380, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1971730)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1972664)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1977384, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_1978316, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1985666)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1986600)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1991320, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1992252, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1999602)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2000536)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_2005256, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_2006188, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2013538)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2014472)
   Exit: (203) [system] peek_char((0x558d99e6bec0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_2019192, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_2020124, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x558d99e6bec0), f)
   Exit: (203) [system] get_char((0x558d99e6bec0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2027474)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2028408)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_2033128, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_2034060, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x558d99e6bec0), '1')
   Exit: (204) [system] get_char((0x558d99e6bec0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2041410)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2042344)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _2041410=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _2027474=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (203) [system] _2013538=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (202) [system] _1999602=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (201) [system] _1985666=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (200) [system] _1971730=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (199) [system] _1957794=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1924140)
   Call: (199) [system] atom_chars(_2068392, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _2073056)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2074914)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _2082652)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2085356)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _7242)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _12812)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _14670)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _28824)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _12812)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _46466)
   Call: (200) [system] peek_char((0x558d99e6bec0), _47400)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_52120, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_53052, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _60402)
   Call: (201) [system] peek_char((0x558d99e6bec0), _61336)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_66056, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_66988, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _74338)
   Call: (202) [system] peek_char((0x558d99e6bec0), _75272)
   Exit: (202) [system] peek_char((0x558d99e6bec0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_79992, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_80924, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x558d99e6bec0), e)
   Exit: (202) [system] get_char((0x558d99e6bec0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _88274)
   Call: (203) [system] peek_char((0x558d99e6bec0), _89208)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_93928, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_94860, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _102210)
   Call: (204) [system] peek_char((0x558d99e6bec0), _103144)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_107864, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_108796, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _116146)
   Call: (205) [system] peek_char((0x558d99e6bec0), _117080)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_121800, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_122732, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _130082)
   Call: (206) [system] peek_char((0x558d99e6bec0), _131016)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_135736, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_136668, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _144018)
   Call: (207) [system] peek_char((0x558d99e6bec0), _144952)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_149672, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_150604, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x558d99e6bec0), '1')
   Exit: (207) [system] get_char((0x558d99e6bec0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _157954)
   Call: (208) [system] peek_char((0x558d99e6bec0), _158888)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_163608, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _157954=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _144018=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (206) [system] _130082=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (205) [system] _116146=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (204) [system] _102210=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (203) [system] _88274=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (202) [system] _74338=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (201) [system] _60402=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _46466=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _12812)
   Call: (200) [system] atom_chars(_192396, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _197060)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _198918)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _213072)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _216862)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _197060=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _3672=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (196) [system] _3662=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (195) [system] _3654=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _230744)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _232602)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _240340)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _243044)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _258122)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _263692)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _265550)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _279704)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _263692)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _285274)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _299428)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _304998)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _306856)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _321010)
   Exit: (197) [system] get_char((0x558d99e6bec0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, _304998)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338652)
   Call: (199) [system] peek_char((0x558d99e6bec0), _339586)
   Exit: (199) [system] peek_char((0x558d99e6bec0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_344306, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_345238, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x558d99e6bec0), y)
   Exit: (199) [system] get_char((0x558d99e6bec0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352588)
   Call: (200) [system] peek_char((0x558d99e6bec0), _353522)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_358242, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_359174, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366524)
   Call: (201) [system] peek_char((0x558d99e6bec0), _367458)
   Exit: (201) [system] peek_char((0x558d99e6bec0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_372178, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_373110, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x558d99e6bec0), t)
   Exit: (201) [system] get_char((0x558d99e6bec0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _380460)
   Call: (202) [system] peek_char((0x558d99e6bec0), _381394)
   Exit: (202) [system] peek_char((0x558d99e6bec0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_386114, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_387046, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x558d99e6bec0), h)
   Exit: (202) [system] get_char((0x558d99e6bec0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _394396)
   Call: (203) [system] peek_char((0x558d99e6bec0), _395330)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_400050, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_400982, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _408332)
   Call: (204) [system] peek_char((0x558d99e6bec0), _409266)
   Exit: (204) [system] peek_char((0x558d99e6bec0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_413986, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_414918, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x558d99e6bec0), s)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _422268)
   Call: (205) [system] peek_char((0x558d99e6bec0), _423202)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_427922, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_428854, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _436204)
   Call: (206) [system] peek_char((0x558d99e6bec0), _437138)
   Exit: (206) [system] peek_char((0x558d99e6bec0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_441858, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_442790, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x558d99e6bec0), z)
   Exit: (206) [system] get_char((0x558d99e6bec0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _450140)
   Call: (207) [system] peek_char((0x558d99e6bec0), _451074)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_455794, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_456726, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _464076)
   Call: (208) [system] peek_char((0x558d99e6bec0), _465010)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _464076=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _450140=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _436204=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (205) [system] _422268=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (204) [system] _408332=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (203) [system] _394396=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (202) [system] _380460=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (201) [system] _366524=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (200) [system] _352588=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _338652=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _304998)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_499466, _499468), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _304998), _499442, fail)), '$restore_trace'(_499466, _499468))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_499466, _499468))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _499442, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _506966)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _508824)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _516562)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _519266)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _534344)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _539914)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _541772)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _555926)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _539914)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _561496)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _575650)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _581220)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _583078)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _597232)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _581220)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _614874)
   Call: (202) [system] peek_char((0x558d99e6bec0), _615808)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _614874=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _581220)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_625118, _625120), once(user:catch(read_from_chars([:], _581220), _625094, fail)), '$restore_trace'(_625118, _625120))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_625118, _625120))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _625094, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _632618)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _634476)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _642214)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _644918)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _659996)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _665566)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _667424)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _681578)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _665566)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _699220)
   Call: (203) [system] peek_char((0x558d99e6bec0), _700154)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_704874, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_705806, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713156)
   Call: (204) [system] peek_char((0x558d99e6bec0), _714090)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_718810, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_719742, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _727092)
   Call: (205) [system] peek_char((0x558d99e6bec0), _728026)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_732746, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_733678, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _741028)
   Call: (206) [system] peek_char((0x558d99e6bec0), _741962)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_746682, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_747614, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _754964)
   Call: (207) [system] peek_char((0x558d99e6bec0), _755898)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_760618, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_761550, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _768900)
   Call: (208) [system] peek_char((0x558d99e6bec0), _769834)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_774554, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_775486, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _782836)
   Call: (209) [system] peek_char((0x558d99e6bec0), _783770)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _782836=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _768900=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _754964=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (206) [system] _741028=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (205) [system] _727092=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (204) [system] _713156=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (203) [system] _699220=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _665566)
   Call: (203) [system] atom_chars(_809818, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _814482)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _816340)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _824078)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _826782)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _841860)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _847430)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _849288)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _863442)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _847430)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _881084)
   Call: (204) [system] peek_char((0x558d99e6bec0), _882018)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_886738, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_887670, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _895020)
   Call: (205) [system] peek_char((0x558d99e6bec0), _895954)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_900674, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_901606, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _908956)
   Call: (206) [system] peek_char((0x558d99e6bec0), _909890)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_914610, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_915542, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _922892)
   Call: (207) [system] peek_char((0x558d99e6bec0), _923826)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_928546, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_929478, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _936828)
   Call: (208) [system] peek_char((0x558d99e6bec0), _937762)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_942482, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_943414, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _950764)
   Call: (209) [system] peek_char((0x558d99e6bec0), _951698)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_956418, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_957350, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _964700)
   Call: (210) [system] peek_char((0x558d99e6bec0), _965634)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_970354, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_971286, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _978636)
   Call: (211) [system] peek_char((0x558d99e6bec0), _979570)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_984290, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_985222, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x558d99e6bec0), '1')
   Exit: (211) [system] get_char((0x558d99e6bec0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _992572)
   Call: (212) [system] peek_char((0x558d99e6bec0), _993506)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_998226, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _992572=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _978636=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (210) [system] _964700=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (209) [system] _950764=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (208) [system] _936828=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (207) [system] _922892=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (206) [system] _908956=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (205) [system] _895020=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _881084=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _847430)
   Call: (204) [system] atom_chars(_1027014, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1031678)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1033536)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1047690)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1051480)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1031678=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _814482=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (200) [system] _632618=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (199) [system] _539914=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1065362)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1067220)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1074958)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1077662)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1092740)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1098310)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1100168)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1114322)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1098310)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1131964)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1132898)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1137618, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1138550, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1145900)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1146834)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1151554, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1152486, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1159836)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1160770)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1159836=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1145900=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (201) [system] _1131964=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _1098310)
   Call: (201) [system] atom_chars(_1175642, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1180306)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1182164)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1189902)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1192606)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1207684)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1213254)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1215112)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1229266)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1213254)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1246908)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1247842)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1252562, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1253494, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1260844)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1261778)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1266498, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1267430, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1274780)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1275714)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1274780=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1260844=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _1246908=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _1213254)
   Call: (202) [system] atom_chars(_1290586, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1295250)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1297108)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1304846)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1307550)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1322628)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1328198)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1330056)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1344210)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1328198)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1361852)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1362786)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1367506, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1368438, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1375788)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1376722)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1381442, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1375788=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1361852=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _1328198)
   Call: (203) [system] atom_chars(_1390672, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1395336)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1397194)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1411348)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1415138)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1395336=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1295250=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (199) [system] _1180306=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (198) [system] _1065362=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (197) [system] _506966=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _263692=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1434608)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1436466)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1450620)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1454410)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1434608=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _230744=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3648=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1465498)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1467356)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _1476950)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1479654)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1487392)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1490096)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1497834)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1500538)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1508276)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1510980)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1518718)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1521422)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1529160)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1531864)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1539602)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1542306)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1550044)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1552748)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1560486)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1563190)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1570928)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1573632)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1581370)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1584074)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1608392)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1613962)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1615820)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1629974)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1613962)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1635544)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1649698)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1655268)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1657126)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1671280)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1655268)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1676850)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1691004)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1696574)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1698432)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1712586)
   Exit: (197) [system] get_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, _1696574)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1730228)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1731162)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1730228=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _1696574)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1740472, _1740474), once(user:catch(read_from_chars([:], _1696574), _1740448, fail)), '$restore_trace'(_1740472, _1740474))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1740472, _1740474))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1740448, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1747972)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1749830)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1757568)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1760272)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1775350)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1780920)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1782778)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1796932)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1780920)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1814574)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1815508)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1820228, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_1821160, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1828510)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1829444)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1834164, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_1835096, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842446)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1843380)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1848100, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_1849032, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856382)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1857316)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1862036, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1862968, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1870318)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1871252)
   Exit: (204) [system] peek_char((0x558d99e6bec0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1875972, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_1876904, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x558d99e6bec0), f)
   Exit: (204) [system] get_char((0x558d99e6bec0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1884254)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1885188)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1889908, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_1890840, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x558d99e6bec0), '2')
   Exit: (205) [system] get_char((0x558d99e6bec0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1898190)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1899124)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1898190=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1884254=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (204) [system] _1870318=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (203) [system] _1856382=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (202) [system] _1842446=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (201) [system] _1828510=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (200) [system] _1814574=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1780920)
   Call: (200) [system] atom_chars(_1925172, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1929836)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1931694)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1939432)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1942136)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1957214)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1962784)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1964642)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1978796)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1962784)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1996438)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1997372)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2002092, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2003024, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2010374)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2011308)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2016028, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2016960, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2024310)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2025244)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_2029964, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_2030896, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2038246)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2039180)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_2043900, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_2044832, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2052182)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2053116)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2057836, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_2058768, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2066118)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2067052)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_2071772, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_2072704, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2080054)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2080988)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_2085708, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_2086640, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2093990)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2094924)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_6620, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_7552, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x558d99e6bec0), '2')
   Exit: (208) [system] get_char((0x558d99e6bec0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _14902)
   Call: (209) [system] peek_char((0x558d99e6bec0), _15836)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_20556, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _14902=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _3820=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (207) [system] _3816=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (206) [system] _3812=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (205) [system] _3808=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (204) [system] _3804=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (203) [system] _3800=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (202) [system] _3796=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _3792=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _3788)
   Call: (201) [system] atom_chars(_49344, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _54008)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _55866)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _70020)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _73810)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _54008=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _3784=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (197) [system] _3774=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (196) [system] _3766=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _87692)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _89550)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _97288)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _99992)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _115070)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _120640)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _122498)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _136652)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _120640)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _142222)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _156376)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _161946)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _163804)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _177958)
   Exit: (198) [system] get_char((0x558d99e6bec0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, _161946)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _195600)
   Call: (200) [system] peek_char((0x558d99e6bec0), _196534)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_201254, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_202186, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _209536)
   Call: (201) [system] peek_char((0x558d99e6bec0), _210470)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_215190, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_216122, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _223472)
   Call: (202) [system] peek_char((0x558d99e6bec0), _224406)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_229126, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_230058, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _237408)
   Call: (203) [system] peek_char((0x558d99e6bec0), _238342)
   Exit: (203) [system] peek_char((0x558d99e6bec0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_243062, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_243994, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x558d99e6bec0), h)
   Exit: (203) [system] get_char((0x558d99e6bec0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _251344)
   Call: (204) [system] peek_char((0x558d99e6bec0), _252278)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_256998, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_257930, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _265280)
   Call: (205) [system] peek_char((0x558d99e6bec0), _266214)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_270934, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_271866, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _279216)
   Call: (206) [system] peek_char((0x558d99e6bec0), _280150)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_284870, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_285802, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _293152)
   Call: (207) [system] peek_char((0x558d99e6bec0), _294086)
   Exit: (207) [system] peek_char((0x558d99e6bec0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_298806, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_299738, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x558d99e6bec0), z)
   Exit: (207) [system] get_char((0x558d99e6bec0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307088)
   Call: (208) [system] peek_char((0x558d99e6bec0), _308022)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_312742, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_313674, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321024)
   Call: (209) [system] peek_char((0x558d99e6bec0), _321958)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _321024=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _307088=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (207) [system] _293152=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (206) [system] _279216=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (205) [system] _265280=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (204) [system] _251344=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (203) [system] _237408=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (202) [system] _223472=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (201) [system] _209536=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _195600=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _161946)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_356414, _356416), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _161946), _356390, fail)), '$restore_trace'(_356414, _356416))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_356414, _356416))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _356390, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _363914)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _365772)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _373510)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _376214)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _391292)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _396862)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _398720)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _412874)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _396862)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _418444)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _432598)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _438168)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _440026)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _454180)
   Exit: (201) [system] get_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, _438168)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _471822)
   Call: (203) [system] peek_char((0x558d99e6bec0), _472756)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _471822=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _438168)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_482066, _482068), once(user:catch(read_from_chars([:], _438168), _482042, fail)), '$restore_trace'(_482066, _482068))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_482066, _482068))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _482042, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _489566)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _491424)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _499162)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _501866)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _516944)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _522514)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _524372)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _538526)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _522514)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _556168)
   Call: (204) [system] peek_char((0x558d99e6bec0), _557102)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_561822, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_562754, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _570104)
   Call: (205) [system] peek_char((0x558d99e6bec0), _571038)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_575758, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_576690, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584040)
   Call: (206) [system] peek_char((0x558d99e6bec0), _584974)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_589694, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_590626, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _597976)
   Call: (207) [system] peek_char((0x558d99e6bec0), _598910)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_603630, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_604562, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _611912)
   Call: (208) [system] peek_char((0x558d99e6bec0), _612846)
   Exit: (208) [system] peek_char((0x558d99e6bec0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_617566, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_618498, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x558d99e6bec0), f)
   Exit: (208) [system] get_char((0x558d99e6bec0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _625848)
   Call: (209) [system] peek_char((0x558d99e6bec0), _626782)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_631502, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_632434, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _639784)
   Call: (210) [system] peek_char((0x558d99e6bec0), _640718)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _639784=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _625848=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _611912=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (207) [system] _597976=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (206) [system] _584040=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (205) [system] _570104=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (204) [system] _556168=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _522514)
   Call: (204) [system] atom_chars(_666766, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _671430)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _673288)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _681026)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _683730)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _698808)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _704378)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _706236)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _720390)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _704378)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _738032)
   Call: (205) [system] peek_char((0x558d99e6bec0), _738966)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_743686, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_744618, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _751968)
   Call: (206) [system] peek_char((0x558d99e6bec0), _752902)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_757622, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_758554, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _765904)
   Call: (207) [system] peek_char((0x558d99e6bec0), _766838)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_771558, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_772490, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _779840)
   Call: (208) [system] peek_char((0x558d99e6bec0), _780774)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_785494, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_786426, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _793776)
   Call: (209) [system] peek_char((0x558d99e6bec0), _794710)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_799430, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_800362, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _807712)
   Call: (210) [system] peek_char((0x558d99e6bec0), _808646)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_813366, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_814298, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _821648)
   Call: (211) [system] peek_char((0x558d99e6bec0), _822582)
   Exit: (211) [system] peek_char((0x558d99e6bec0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_827302, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_828234, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x558d99e6bec0), e)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _835584)
   Call: (212) [system] peek_char((0x558d99e6bec0), _836518)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_841238, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_842170, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x558d99e6bec0), '2')
   Exit: (212) [system] get_char((0x558d99e6bec0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _849520)
   Call: (213) [system] peek_char((0x558d99e6bec0), _850454)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_855174, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _849520=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _835584=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (211) [system] _821648=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (210) [system] _807712=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (209) [system] _793776=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (208) [system] _779840=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (207) [system] _765904=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (206) [system] _751968=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _738032=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _704378)
   Call: (205) [system] atom_chars(_883962, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _888626)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _890484)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _904638)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _908428)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _888626=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _671430=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (201) [system] _489566=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (200) [system] _396862=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _922310)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _924168)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _931906)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _934610)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _949688)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _955258)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _957116)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _971270)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _955258)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _988912)
   Call: (202) [system] peek_char((0x558d99e6bec0), _989846)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_994566, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_995498, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1002848)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1003782)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1008502, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1009434, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1016784)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1017718)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1016784=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1002848=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _988912=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _955258)
   Call: (202) [system] atom_chars(_1032590, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1037254)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1039112)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1046850)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1049554)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1064632)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1070202)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1072060)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1086214)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1070202)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1103856)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1104790)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1109510, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1110442, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1117792)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1118726)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1123446, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1124378, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1131728)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1132662)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1131728=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1117792=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _1103856=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _1070202)
   Call: (203) [system] atom_chars(_1147534, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1152198)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1154056)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1161794)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1164498)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1179576)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1185146)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1187004)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1201158)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1185146)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1218800)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1219734)
   Exit: (204) [system] peek_char((0x558d99e6bec0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1224454, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1225386, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x558d99e6bec0), k)
   Exit: (204) [system] get_char((0x558d99e6bec0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1232736)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1233670)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1238390, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1232736=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1218800=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _1185146)
   Call: (204) [system] atom_chars(_1247620, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1252284)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1254142)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1268296)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1272086)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1252284=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1152198=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (200) [system] _1037254=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (199) [system] _922310=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (198) [system] _363914=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _120640=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1291556)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1293414)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1307568)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1311358)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1291556=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _87692=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3760=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1322446)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1324304)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x558d99e6bec0), _1333898)
   Exit: (194) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1336602)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1344340)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1347044)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1354782)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1357486)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1365224)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1367928)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1375666)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1378370)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1386108)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1388812)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1396550)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1399254)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1406992)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1409696)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1417434)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1420138)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1427876)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1430580)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1438318)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1441022)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1465340)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1470910)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1472768)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1486922)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1470910)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1492492)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1506646)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1512216)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1514074)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1528228)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1512216)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1533798)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1547952)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1553522)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1555380)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1569534)
   Exit: (198) [system] get_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, _1553522)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1587176)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1588110)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1587176=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1553522)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1597420, _1597422), once(user:catch(read_from_chars([:], _1553522), _1597396, fail)), '$restore_trace'(_1597420, _1597422))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1597420, _1597422))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1597396, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1604920)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1606778)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1614516)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1617220)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1632298)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1637868)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1639726)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1653880)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1637868)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1671522)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1672456)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1677176, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1678108, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1685458)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1686392)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1691112, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1692044, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1699394)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1700328)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1705048, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1705980, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1713330)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1714264)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1718984, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1719916, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1727266)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1728200)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1732920, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_1733852, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1741202)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1742136)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1746856, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_1747788, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x558d99e6bec0), '3')
   Exit: (206) [system] get_char((0x558d99e6bec0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1755138)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1756072)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1755138=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1741202=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (205) [system] _1727266=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (204) [system] _1713330=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (203) [system] _1699394=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (202) [system] _1685458=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (201) [system] _1671522=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _1637868)
   Call: (201) [system] atom_chars(_1782120, ['_', p, r, o, o, f, '3'])
   Exit: (201) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1786784)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1788642)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1796380)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1799084)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1814162)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1819732)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1821590)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1835744)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1819732)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1853386)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1854320)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1859040, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1859972, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1867322)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1868256)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1872976, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1873908, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1881258)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1882192)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1886912, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_1887844, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1895194)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1896128)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_1900848, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_1901780, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1909130)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1910064)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1914784, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1915716, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1923066)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1924000)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1928720, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1929652, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1937002)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1937936)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1942656, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1943588, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1950938)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1951872)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_1956592, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_1957524, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x558d99e6bec0), '3')
   Exit: (209) [system] get_char((0x558d99e6bec0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1964874)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1965808)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1970528, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1964874=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1950938=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (208) [system] _1937002=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (207) [system] _1923066=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (206) [system] _1909130=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (205) [system] _1895194=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (204) [system] _1881258=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (203) [system] _1867322=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _1853386=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1819732)
   Call: (202) [system] atom_chars(_1999316, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (202) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _2003980)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2005838)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2019992)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _2023782)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _2003980=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1786784=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise3])
   Call: (198) [system] _1604920=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof3, _premise3])
   Call: (197) [system] _1512216=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _2037664)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2039522)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _2047260)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2049964)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2065042)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _2070612)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2072470)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _2086624)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _2070612)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2092194)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _13374)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _18944)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _20802)
   Exit: (200) [system] peek_char((0x558d99e6bec0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _34956)
   Exit: (199) [system] get_char((0x558d99e6bec0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), s, _18944)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52598)
   Call: (201) [system] peek_char((0x558d99e6bec0), _53532)
   Exit: (201) [system] peek_char((0x558d99e6bec0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_58252, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_59184, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x558d99e6bec0), y)
   Exit: (201) [system] get_char((0x558d99e6bec0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66534)
   Call: (202) [system] peek_char((0x558d99e6bec0), _67468)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_72188, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_73120, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80470)
   Call: (203) [system] peek_char((0x558d99e6bec0), _81404)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_86124, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_87056, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _94406)
   Call: (204) [system] peek_char((0x558d99e6bec0), _95340)
   Exit: (204) [system] peek_char((0x558d99e6bec0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_100060, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_100992, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x558d99e6bec0), h)
   Exit: (204) [system] get_char((0x558d99e6bec0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _108342)
   Call: (205) [system] peek_char((0x558d99e6bec0), _109276)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_113996, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_114928, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _122278)
   Call: (206) [system] peek_char((0x558d99e6bec0), _123212)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_127932, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_128864, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _136214)
   Call: (207) [system] peek_char((0x558d99e6bec0), _137148)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_141868, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_142800, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _150150)
   Call: (208) [system] peek_char((0x558d99e6bec0), _151084)
   Exit: (208) [system] peek_char((0x558d99e6bec0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_155804, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_156736, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x558d99e6bec0), z)
   Exit: (208) [system] get_char((0x558d99e6bec0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _164086)
   Call: (209) [system] peek_char((0x558d99e6bec0), _165020)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_169740, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_170672, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _178022)
   Call: (210) [system] peek_char((0x558d99e6bec0), _178956)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _178022=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _164086=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (208) [system] _150150=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (207) [system] _136214=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (206) [system] _122278=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (205) [system] _108342=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (204) [system] _94406=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (203) [system] _80470=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (202) [system] _66534=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _52598=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _18944)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_213412, _213414), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _18944), _213388, fail)), '$restore_trace'(_213412, _213414))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_213412, _213414))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _213388, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _220912)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _222770)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _230508)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _233212)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _248290)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _253860)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _255718)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _269872)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _253860)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _275442)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _289596)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _295166)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _297024)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _311178)
   Exit: (202) [system] get_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, _295166)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _328820)
   Call: (204) [system] peek_char((0x558d99e6bec0), _329754)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _328820=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _295166)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_339064, _339066), once(user:catch(read_from_chars([:], _295166), _339040, fail)), '$restore_trace'(_339064, _339066))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_339064, _339066))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _339040, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _346564)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _348422)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _356160)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _358864)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _373942)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _379512)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _381370)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _395524)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _379512)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _413166)
   Call: (205) [system] peek_char((0x558d99e6bec0), _414100)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_418820, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_419752, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _427102)
   Call: (206) [system] peek_char((0x558d99e6bec0), _428036)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_432756, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_433688, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _441038)
   Call: (207) [system] peek_char((0x558d99e6bec0), _441972)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_446692, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_447624, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _454974)
   Call: (208) [system] peek_char((0x558d99e6bec0), _455908)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_460628, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_461560, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _468910)
   Call: (209) [system] peek_char((0x558d99e6bec0), _469844)
   Exit: (209) [system] peek_char((0x558d99e6bec0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_474564, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_475496, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x558d99e6bec0), f)
   Exit: (209) [system] get_char((0x558d99e6bec0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _482846)
   Call: (210) [system] peek_char((0x558d99e6bec0), _483780)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_488500, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_489432, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x558d99e6bec0), '3')
   Exit: (210) [system] get_char((0x558d99e6bec0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _496782)
   Call: (211) [system] peek_char((0x558d99e6bec0), _497716)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _496782=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _482846=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (209) [system] _468910=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (208) [system] _454974=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (207) [system] _441038=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (206) [system] _427102=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (205) [system] _413166=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _379512)
   Call: (205) [system] atom_chars(_523764, ['_', p, r, o, o, f, '3'])
   Exit: (205) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _528428)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _530286)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _538024)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _540728)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _555806)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _561376)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _563234)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _577388)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _561376)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _595030)
   Call: (206) [system] peek_char((0x558d99e6bec0), _595964)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_600684, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_601616, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _608966)
   Call: (207) [system] peek_char((0x558d99e6bec0), _609900)
   Exit: (207) [system] peek_char((0x558d99e6bec0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_614620, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_615552, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x558d99e6bec0), r)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _622902)
   Call: (208) [system] peek_char((0x558d99e6bec0), _623836)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_628556, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_629488, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _636838)
   Call: (209) [system] peek_char((0x558d99e6bec0), _637772)
   Exit: (209) [system] peek_char((0x558d99e6bec0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_642492, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_643424, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x558d99e6bec0), m)
   Exit: (209) [system] get_char((0x558d99e6bec0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _650774)
   Call: (210) [system] peek_char((0x558d99e6bec0), _651708)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_656428, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_657360, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _664710)
   Call: (211) [system] peek_char((0x558d99e6bec0), _665644)
   Exit: (211) [system] peek_char((0x558d99e6bec0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_670364, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_671296, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x558d99e6bec0), s)
   Exit: (211) [system] get_char((0x558d99e6bec0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _678646)
   Call: (212) [system] peek_char((0x558d99e6bec0), _679580)
   Exit: (212) [system] peek_char((0x558d99e6bec0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_684300, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_685232, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x558d99e6bec0), e)
   Exit: (212) [system] get_char((0x558d99e6bec0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692582)
   Call: (213) [system] peek_char((0x558d99e6bec0), _693516)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_698236, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_699168, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x558d99e6bec0), '3')
   Exit: (213) [system] get_char((0x558d99e6bec0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _706518)
   Call: (214) [system] peek_char((0x558d99e6bec0), _707452)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_712172, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _706518=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _692582=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (212) [system] _678646=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (211) [system] _664710=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (210) [system] _650774=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (209) [system] _636838=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (208) [system] _622902=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (207) [system] _608966=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _595030=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _561376)
   Call: (206) [system] atom_chars(_740960, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (206) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _745624)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _747482)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _761636)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _765426)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _745624=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _528428=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_premise3])
   Call: (202) [system] _346564=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_proof3, _premise3])
   Call: (201) [system] _253860=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _779308)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _781166)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _788904)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _791608)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _806686)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _812256)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _814114)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _828268)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _812256)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _845910)
   Call: (203) [system] peek_char((0x558d99e6bec0), _846844)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_851564, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_852496, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _859846)
   Call: (204) [system] peek_char((0x558d99e6bec0), _860780)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_865500, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_866432, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _873782)
   Call: (205) [system] peek_char((0x558d99e6bec0), _874716)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _873782=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _859846=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _845910=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq($, [k, b], _812256)
   Call: (203) [system] atom_chars(_889588, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _894252)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _896110)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _903848)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _906552)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _921630)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _927200)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _929058)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _943212)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _927200)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _960854)
   Call: (204) [system] peek_char((0x558d99e6bec0), _961788)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_966508, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_967440, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _974790)
   Call: (205) [system] peek_char((0x558d99e6bec0), _975724)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_980444, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_981376, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _988726)
   Call: (206) [system] peek_char((0x558d99e6bec0), _989660)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _988726=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _974790=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (204) [system] _960854=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq($, [r, b], _927200)
   Call: (204) [system] atom_chars(_1004532, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1009196)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1011054)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1018792)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1021496)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1036574)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1042144)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1044002)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1058156)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1042144)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1075798)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1076732)
   Exit: (205) [system] peek_char((0x558d99e6bec0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1081452, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1082384, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x558d99e6bec0), k)
   Exit: (205) [system] get_char((0x558d99e6bec0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1089734)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1090668)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1095388, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1089734=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1075798=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (204) [user] classify_and_convert_charseq($, [k], _1042144)
   Call: (205) [system] atom_chars(_1104618, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1109282)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1111140)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1125294)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1129084)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1109282=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1009196=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (201) [system] _894252=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (200) [system] _779308=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (199) [system] _220912=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3910=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1148554)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1150412)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1164566)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1168356)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1148554=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _3906=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3872=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1179444)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1181302)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x558d99e6bec0), _1190896)
   Exit: (195) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1193600)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1201338)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1204042)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1211780)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1214484)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1222222)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1224926)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1232664)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1235368)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1243106)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1245810)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1253548)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1256252)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1263990)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1266694)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1274432)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1277136)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1284874)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1287578)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1295316)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1298020)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1322338)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1327908)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1329766)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1343920)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1327908)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1349490)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1363644)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1369214)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1371072)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1385226)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1369214)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1390796)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1404950)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1410520)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1412378)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1426532)
   Exit: (199) [system] get_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, _1410520)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444174)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1445108)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1444174=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _1410520)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1454418, _1454420), once(user:catch(read_from_chars([:], _1410520), _1454394, fail)), '$restore_trace'(_1454418, _1454420))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1454418, _1454420))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1454394, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1461918)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1463776)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1471514)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1474218)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1489296)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1494866)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1496724)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1510878)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1494866)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1528520)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1529454)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1534174, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1535106, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1542456)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1543390)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1548110, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1549042, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1556392)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1557326)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1562046, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1562978, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1570328)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1571262)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1575982, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1576914, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1584264)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1585198)
   Exit: (206) [system] peek_char((0x558d99e6bec0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1589918, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_1590850, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x558d99e6bec0), f)
   Exit: (206) [system] get_char((0x558d99e6bec0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1598200)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1599134)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_1603854, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_1604786, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x558d99e6bec0), '4')
   Exit: (207) [system] get_char((0x558d99e6bec0), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1612136)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1613070)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1612136=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1598200=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (206) [system] _1584264=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '4'])
   Call: (205) [system] _1570328=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '4'])
   Call: (204) [system] _1556392=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '4'])
   Call: (203) [system] _1542456=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '4'])
   Call: (202) [system] _1528520=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1494866)
   Call: (202) [system] atom_chars(_1639118, ['_', p, r, o, o, f, '4'])
   Exit: (202) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _proof4)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1643782)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1645640)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1653378)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1656082)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1671160)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1676730)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1678588)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1692742)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1676730)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1710384)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1711318)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1716038, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1716970, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724320)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1725254)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1729974, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1730906, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738256)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1739190)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1743910, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1744842, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752192)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1753126)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1757846, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1758778, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766128)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1767062)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1771782, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1772714, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1780064)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1780998)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1785718, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1786650, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1794000)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1794934)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1799654, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1800586, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1807936)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1808870)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_1813590, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_1814522, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x558d99e6bec0), '4')
   Exit: (210) [system] get_char((0x558d99e6bec0), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1821872)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1822806)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1827526, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1821872=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1807936=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (209) [system] _1794000=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '4'])
   Call: (208) [system] _1780064=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '4'])
   Call: (207) [system] _1766128=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '4'])
   Call: (206) [system] _1752192=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '4'])
   Call: (205) [system] _1738256=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '4'])
   Call: (204) [system] _1724320=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _1710384=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _1676730)
   Call: (203) [system] atom_chars(_1856314, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (203) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _premise4)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1860978)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1862836)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1876990)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1880780)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1860978=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1643782=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_premise4])
   Call: (199) [system] _1461918=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_proof4, _premise4])
   Call: (198) [system] _1369214=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1894662)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1896520)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1904258)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1906962)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1922040)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1927610)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1929468)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1943622)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1927610)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1949192)
   Exit: (200) [system] peek_char((0x558d99e6bec0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1963346)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1968916)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1970774)
   Exit: (201) [system] peek_char((0x558d99e6bec0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1984928)
   Exit: (200) [system] get_char((0x558d99e6bec0), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), s, _1968916)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2002570)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2003504)
   Exit: (202) [system] peek_char((0x558d99e6bec0), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_2008224, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_2009156, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x558d99e6bec0), y)
   Exit: (202) [system] get_char((0x558d99e6bec0), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2016506)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2017440)
   Exit: (203) [system] peek_char((0x558d99e6bec0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_2022160, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_2023092, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x558d99e6bec0), n)
   Exit: (203) [system] get_char((0x558d99e6bec0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2030442)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2031376)
   Exit: (204) [system] peek_char((0x558d99e6bec0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_2036096, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_2037028, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x558d99e6bec0), t)
   Exit: (204) [system] get_char((0x558d99e6bec0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2044378)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2045312)
   Exit: (205) [system] peek_char((0x558d99e6bec0), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_2050032, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_2050964, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x558d99e6bec0), h)
   Exit: (205) [system] get_char((0x558d99e6bec0), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2058314)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2059248)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_2063968, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_2064900, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2072250)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2073184)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_2077904, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_2078836, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2086186)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2087120)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2091840, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2092772, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _7424)
   Call: (209) [system] peek_char((0x558d99e6bec0), _8358)
   Exit: (209) [system] peek_char((0x558d99e6bec0), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_13078, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_14010, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x558d99e6bec0), z)
   Exit: (209) [system] get_char((0x558d99e6bec0), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _21360)
   Call: (210) [system] peek_char((0x558d99e6bec0), _22294)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_27014, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_27946, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _35296)
   Call: (211) [system] peek_char((0x558d99e6bec0), _36230)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _35296=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _21360=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (209) [system] _7424=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (208) [system] _4056=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (207) [system] _4052=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (206) [system] _4048=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (205) [system] _4044=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (204) [system] _4040=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (203) [system] _4036=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _4032=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _4028)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_70686, _70688), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _4028), _70662, fail)), '$restore_trace'(_70686, _70688))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_70686, _70688))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _70662, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _78186)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _80044)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _87782)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _90486)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _105564)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _111134)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _112992)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _127146)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _111134)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _132716)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _146870)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _152440)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _154298)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _168452)
   Exit: (203) [system] get_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, _152440)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _186094)
   Call: (205) [system] peek_char((0x558d99e6bec0), _187028)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _186094=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _152440)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_196338, _196340), once(user:catch(read_from_chars([:], _152440), _196314, fail)), '$restore_trace'(_196338, _196340))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_196338, _196340))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _196314, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _203838)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _205696)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _213434)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _216138)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _231216)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _236786)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _238644)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _252798)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _236786)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _270440)
   Call: (206) [system] peek_char((0x558d99e6bec0), _271374)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_276094, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_277026, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _284376)
   Call: (207) [system] peek_char((0x558d99e6bec0), _285310)
   Exit: (207) [system] peek_char((0x558d99e6bec0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_290030, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_290962, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x558d99e6bec0), r)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _298312)
   Call: (208) [system] peek_char((0x558d99e6bec0), _299246)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_303966, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_304898, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _312248)
   Call: (209) [system] peek_char((0x558d99e6bec0), _313182)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_317902, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_318834, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _326184)
   Call: (210) [system] peek_char((0x558d99e6bec0), _327118)
   Exit: (210) [system] peek_char((0x558d99e6bec0), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_331838, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_332770, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x558d99e6bec0), f)
   Exit: (210) [system] get_char((0x558d99e6bec0), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _340120)
   Call: (211) [system] peek_char((0x558d99e6bec0), _341054)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_345774, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_346706, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x558d99e6bec0), '4')
   Exit: (211) [system] get_char((0x558d99e6bec0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _354056)
   Call: (212) [system] peek_char((0x558d99e6bec0), _354990)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _354056=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _340120=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (210) [system] _326184=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '4'])
   Call: (209) [system] _312248=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '4'])
   Call: (208) [system] _298312=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '4'])
   Call: (207) [system] _284376=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '4'])
   Call: (206) [system] _270440=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _236786)
   Call: (206) [system] atom_chars(_381038, ['_', p, r, o, o, f, '4'])
   Exit: (206) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _proof4)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _385702)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _387560)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _395298)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _398002)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _413080)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _418650)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _420508)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _434662)
   Exit: (205) [system] get_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _418650)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _452304)
   Call: (207) [system] peek_char((0x558d99e6bec0), _453238)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_457958, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_458890, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _466240)
   Call: (208) [system] peek_char((0x558d99e6bec0), _467174)
   Exit: (208) [system] peek_char((0x558d99e6bec0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_471894, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_472826, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x558d99e6bec0), r)
   Exit: (208) [system] get_char((0x558d99e6bec0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _480176)
   Call: (209) [system] peek_char((0x558d99e6bec0), _481110)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_485830, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_486762, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494112)
   Call: (210) [system] peek_char((0x558d99e6bec0), _495046)
   Exit: (210) [system] peek_char((0x558d99e6bec0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_499766, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_500698, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x558d99e6bec0), m)
   Exit: (210) [system] get_char((0x558d99e6bec0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _508048)
   Call: (211) [system] peek_char((0x558d99e6bec0), _508982)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_513702, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_514634, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _521984)
   Call: (212) [system] peek_char((0x558d99e6bec0), _522918)
   Exit: (212) [system] peek_char((0x558d99e6bec0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_527638, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_528570, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x558d99e6bec0), s)
   Exit: (212) [system] get_char((0x558d99e6bec0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _535920)
   Call: (213) [system] peek_char((0x558d99e6bec0), _536854)
   Exit: (213) [system] peek_char((0x558d99e6bec0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_541574, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_542506, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x558d99e6bec0), e)
   Exit: (213) [system] get_char((0x558d99e6bec0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _549856)
   Call: (214) [system] peek_char((0x558d99e6bec0), _550790)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_555510, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_556442, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x558d99e6bec0), '4')
   Exit: (214) [system] get_char((0x558d99e6bec0), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _563792)
   Call: (215) [system] peek_char((0x558d99e6bec0), _564726)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_569446, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _563792=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _549856=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (213) [system] _535920=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '4'])
   Call: (212) [system] _521984=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '4'])
   Call: (211) [system] _508048=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '4'])
   Call: (210) [system] _494112=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '4'])
   Call: (209) [system] _480176=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '4'])
   Call: (208) [system] _466240=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _452304=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _418650)
   Call: (207) [system] atom_chars(_598234, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (207) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _premise4)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _602898)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _604756)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _618910)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _622700)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _602898=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _385702=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [_premise4])
   Call: (203) [system] _203838=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_proof4, _premise4])
   Call: (202) [system] _111134=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _636582)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _638440)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _646178)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _648882)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _663960)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _669530)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _671388)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _685542)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _669530)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _703184)
   Call: (204) [system] peek_char((0x558d99e6bec0), _704118)
   Exit: (204) [system] peek_char((0x558d99e6bec0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_708838, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_709770, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x558d99e6bec0), k)
   Exit: (204) [system] get_char((0x558d99e6bec0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _717120)
   Call: (205) [system] peek_char((0x558d99e6bec0), _718054)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_722774, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_723706, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _731056)
   Call: (206) [system] peek_char((0x558d99e6bec0), _731990)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _731056=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _717120=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (204) [system] _703184=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (203) [user] classify_and_convert_charseq($, [k, b], _669530)
   Call: (204) [system] atom_chars(_746862, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _751526)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _753384)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _761122)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _763826)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _778904)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _784474)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _786332)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _800486)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _784474)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _818128)
   Call: (205) [system] peek_char((0x558d99e6bec0), _819062)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_823782, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_824714, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _832064)
   Call: (206) [system] peek_char((0x558d99e6bec0), _832998)
   Exit: (206) [system] peek_char((0x558d99e6bec0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_837718, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_838650, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x558d99e6bec0), b)
   Exit: (206) [system] get_char((0x558d99e6bec0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _846000)
   Call: (207) [system] peek_char((0x558d99e6bec0), _846934)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _846000=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _832064=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (205) [system] _818128=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (204) [user] classify_and_convert_charseq($, [r, b], _784474)
   Call: (205) [system] atom_chars(_861806, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _866470)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _868328)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _876066)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _878770)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _893848)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _899418)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _901276)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _915430)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _899418)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _933072)
   Call: (206) [system] peek_char((0x558d99e6bec0), _934006)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_938726, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_939658, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _947008)
   Call: (207) [system] peek_char((0x558d99e6bec0), _947942)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_952662, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _947008=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _933072=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (205) [user] classify_and_convert_charseq($, [k], _899418)
   Call: (206) [system] atom_chars(_961892, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _966556)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _968414)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _982568)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _986358)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _966556=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _866470=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (202) [system] _751526=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (201) [system] _636582=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (200) [system] _78186=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _4022=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1005828)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1007686)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1021840)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1025630)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1005828=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _4018=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _3984=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1036718)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1038576)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1052730)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1056520)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1036718=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _3980=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (193) [system] _3868=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (192) [system] _3756=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (191) [system] _3644=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (190) [system] _3550=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1078784)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1080642)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x558d99e6bec0), _1090236)
   Exit: (189) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1092940)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1100678)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1103382)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _1111120)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1113824)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1121562)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1124266)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1132004)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1134708)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1142446)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1145150)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1164848)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1170418)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1172276)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1186430)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1170418)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1204072)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1205006)
   Exit: (191) [system] peek_char((0x558d99e6bec0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1209726, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1210658, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x558d99e6bec0), q)
   Exit: (191) [system] get_char((0x558d99e6bec0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1218008)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1218942)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1223662, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1224594, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1231944)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1232878)
   Exit: (193) [system] peek_char((0x558d99e6bec0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1237598, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1238530, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x558d99e6bec0), e)
   Exit: (193) [system] get_char((0x558d99e6bec0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1245880)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1246814)
   Exit: (194) [system] peek_char((0x558d99e6bec0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1251534, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1252466, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x558d99e6bec0), r)
   Exit: (194) [system] get_char((0x558d99e6bec0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1259816)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1260750)
   Exit: (195) [system] peek_char((0x558d99e6bec0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1265470, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1266402, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x558d99e6bec0), y)
   Exit: (195) [system] get_char((0x558d99e6bec0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1273752)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1274686)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1279406, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1273752=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1259816=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (194) [system] _1245880=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (193) [system] _1231944=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (192) [system] _1218008=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (191) [system] _1204072=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1170418)
   Call: (191) [system] atom_chars(_1299812, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1304476)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1306334)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1320488)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1324278)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1304476=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1078784=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1338160)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1340018)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1354172)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1357962)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1338160=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755)), read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1376480, _1376482, _1376484, _1376486, _1376488))
^  Exit: (177) [user] retract(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1379328))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1379328)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1379328)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1382144))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1382144))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1382144)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1384944))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1384944)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1384944)
   Call: (187) [system] var('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] atom('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==true
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==false
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==[_1391464, _1391470]
   Call: (187) [system] is_list('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] string('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1396098, _1396100)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _1399840)
   Call: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _1399840, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", _1401720)
   Call: (190) [system] var(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==[_1406362, _1406368]
   Call: (190) [system] is_list(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=_1401720
   Exit: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([42, 0], _1401722, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(42, _1420242)
   Call: (191) [system] var(42)
   Call: (191) [system] atom(42)
   Call: (191) [system] 42==true
   Call: (191) [system] 42==false
   Call: (191) [system] 42==[_1424884, _1424890]
   Call: (191) [system] is_list(42)
   Call: (191) [system] string(42)
   Call: (191) [system] compound(42)
^  Call: (191) [user] symbol(42)
   Call: (192) [system] atom(42)
   Fail: (192) [system] atom(42)
^  Fail: (191) [user] symbol(42)
   Call: (191) [system] 42=_1420242
   Exit: (191) [system] 42=42
^  Exit: (190) [user] mfix_vars1(42, 42)
   Call: (190) [apply] apply:maplist_([0], _1420244, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1436008)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1440650, _1440656]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1436008
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1436010, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([42, 0], [42, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] compound_name_arguments(_1384944, '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1464826))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1464826))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1464826)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1467626))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1467626)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1467626)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1379328))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1379328))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1379328)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1481584))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1481584)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _1481584)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (178) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1726258747_317601, 73)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258754.4908116)
   Call: (173) [system] arg(1, t(1726258751.5709498), _3148)
   Exit: (173) [system] arg(1, t(1726258751.5709498), 1726258751.5709498)
   Call: (173) [system] _3158 is 1726258754.4908116-1726258751.5709498
   Exit: (173) [system] 2.9198617935180664 is 1726258754.4908116-1726258751.5709498
   Call: (173) [system] 2.9198617935180664>4
   Fail: (173) [system] 2.9198617935180664>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 8)
   Call: (175) [system] atom(8+1)
   Call: (175) [system] set_flag(translated_forms, 9)
   Exit: (175) [system] set_flag(translated_forms, 9)
   Exit: (174) [$syspreds] update_flag(translated_forms, 8, 8+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 8, 8+1))
   Exit: (171) [$syspreds] flag(translated_forms, 8, 8+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1726258747_317601, 73)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1726258747_317601, 73)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 8, 8+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), ynthesize_long_1726258747_317601, 73)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 82)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 82))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 82))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1556368)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1563790)
   Exit: (175) [system] peek_char((0x558d99e6bec0), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1572128)
   Exit: (177) [system] peek_char((0x558d99e6bec0), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1574914=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1576782, _1576784, _1576786, _1576788), read_sexpr((0x558d99e6bec0), _1576800), assertz(metta_file_comment(_1576782, _1576784, _1576786, _1576800, _1576788))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1576782, _1576784, _1576786, _1576788)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1576788))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1576788))
   Exit: (181) [system] nonvar(position(_1576788))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _1576782)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1587040)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _1576782)
   Exit: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _1576784)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1594474)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _1576784)
   Exit: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _1576786)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1601908)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _1576786)
   Exit: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1576800)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1576800)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1612134)
   Exit: (182) [system] peek_char((0x558d99e6bec0), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] read_position((0x558d99e6bec0), _1616772, _1616774, _1616776, _1616778)
   Call: (184) [system] stream_property((0x558d99e6bec0), position(_1616778))
   Call: (185) [system] nonvar((0x558d99e6bec0))
   Exit: (185) [system] nonvar((0x558d99e6bec0))
   Call: (185) [system] nonvar(position(_1616778))
   Exit: (185) [system] nonvar(position(_1616778))
   Exit: (184) [system] stream_property((0x558d99e6bec0), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _1616772)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1626066)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _1616772)
   Exit: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _1616774)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1633500)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _1616774)
   Exit: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _1616776)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1640934)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _1616776)
   Exit: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (183) [user] read_position((0x558d99e6bec0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
^  Call: (183) [user] read_until_eol((0x558d99e6bec0), _1646528)
   Call: (184) [system] get_char((0x558d99e6bec0), _1647458)
   Exit: (184) [system] get_char((0x558d99e6bec0), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Fail: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
   Fail: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _1653028)
   Call: (185) [system] get_char((0x558d99e6bec0), _1653958)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _1659528)
   Call: (186) [system] get_char((0x558d99e6bec0), _1660458)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Fail: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
   Fail: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _1666028)
   Call: (187) [system] get_char((0x558d99e6bec0), _1666958)
   Exit: (187) [system] get_char((0x558d99e6bec0), 'Q')
   Call: (187) [system] char_type('Q', end_of_line)
   Fail: (187) [system] char_type('Q', end_of_line)
   Call: (187) [system] 'Q'=end_of_file
   Fail: (187) [system] 'Q'=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _1672528)
   Call: (188) [system] get_char((0x558d99e6bec0), _1673458)
   Exit: (188) [system] get_char((0x558d99e6bec0), u)
   Call: (188) [system] char_type(u, end_of_line)
   Fail: (188) [system] char_type(u, end_of_line)
   Call: (188) [system] u=end_of_file
   Fail: (188) [system] u=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _1679028)
   Call: (189) [system] get_char((0x558d99e6bec0), _1679958)
   Exit: (189) [system] get_char((0x558d99e6bec0), i)
   Call: (189) [system] char_type(i, end_of_line)
   Fail: (189) [system] char_type(i, end_of_line)
   Call: (189) [system] i=end_of_file
   Fail: (189) [system] i=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _1685528)
   Call: (190) [system] get_char((0x558d99e6bec0), _1686458)
   Exit: (190) [system] get_char((0x558d99e6bec0), n)
   Call: (190) [system] char_type(n, end_of_line)
   Fail: (190) [system] char_type(n, end_of_line)
   Call: (190) [system] n=end_of_file
   Fail: (190) [system] n=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _1692028)
   Call: (191) [system] get_char((0x558d99e6bec0), _1692958)
   Exit: (191) [system] get_char((0x558d99e6bec0), t)
   Call: (191) [system] char_type(t, end_of_line)
   Fail: (191) [system] char_type(t, end_of_line)
   Call: (191) [system] t=end_of_file
   Fail: (191) [system] t=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _1698528)
   Call: (192) [system] get_char((0x558d99e6bec0), _1699458)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] char_type(e, end_of_line)
   Fail: (192) [system] char_type(e, end_of_line)
   Call: (192) [system] e=end_of_file
   Fail: (192) [system] e=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _1705028)
   Call: (193) [system] get_char((0x558d99e6bec0), _1705958)
   Exit: (193) [system] get_char((0x558d99e6bec0), n)
   Call: (193) [system] char_type(n, end_of_line)
   Fail: (193) [system] char_type(n, end_of_line)
   Call: (193) [system] n=end_of_file
   Fail: (193) [system] n=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _1711528)
   Call: (194) [system] get_char((0x558d99e6bec0), _1712458)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] char_type(a, end_of_line)
   Fail: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _1718028)
   Call: (195) [system] get_char((0x558d99e6bec0), _1718958)
   Exit: (195) [system] get_char((0x558d99e6bec0), r)
   Call: (195) [system] char_type(r, end_of_line)
   Fail: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
   Fail: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _1724528)
   Call: (196) [system] get_char((0x558d99e6bec0), _1725458)
   Exit: (196) [system] get_char((0x558d99e6bec0), y)
   Call: (196) [system] char_type(y, end_of_line)
   Fail: (196) [system] char_type(y, end_of_line)
   Call: (196) [system] y=end_of_file
   Fail: (196) [system] y=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _1731028)
   Call: (197) [system] get_char((0x558d99e6bec0), _1731958)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Fail: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
   Fail: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _1737528)
   Call: (198) [system] get_char((0x558d99e6bec0), _1738458)
   Exit: (198) [system] get_char((0x558d99e6bec0), r)
   Call: (198) [system] char_type(r, end_of_line)
   Fail: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
   Fail: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _1744028)
   Call: (199) [system] get_char((0x558d99e6bec0), _1744958)
   Exit: (199) [system] get_char((0x558d99e6bec0), u)
   Call: (199) [system] char_type(u, end_of_line)
   Fail: (199) [system] char_type(u, end_of_line)
   Call: (199) [system] u=end_of_file
   Fail: (199) [system] u=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _1750528)
   Call: (200) [system] get_char((0x558d99e6bec0), _1751458)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] char_type(l, end_of_line)
   Fail: (200) [system] char_type(l, end_of_line)
   Call: (200) [system] l=end_of_file
   Fail: (200) [system] l=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _1757028)
   Call: (201) [system] get_char((0x558d99e6bec0), _1757958)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] char_type(e, end_of_line)
   Fail: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
   Fail: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _1763528)
   Call: (202) [system] get_char((0x558d99e6bec0), _1764458)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _1763528=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (201) [system] string_concat(e, "", _1757028)
   Exit: (201) [system] string_concat(e, "", "e")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), "e")
   Call: (200) [system] string_concat(l, "e", _1750528)
   Exit: (200) [system] string_concat(l, "e", "le")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "le")
   Call: (199) [system] string_concat(u, "le", _1744028)
   Exit: (199) [system] string_concat(u, "le", "ule")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), "ule")
   Call: (198) [system] string_concat(r, "ule", _1737528)
   Exit: (198) [system] string_concat(r, "ule", "rule")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "rule")
   Call: (197) [system] string_concat(' ', "rule", _1731028)
   Exit: (197) [system] string_concat(' ', "rule", " rule")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), " rule")
   Call: (196) [system] string_concat(y, " rule", _1724528)
   Exit: (196) [system] string_concat(y, " rule", "y rule")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "y rule")
   Call: (195) [system] string_concat(r, "y rule", _1718028)
   Exit: (195) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "ry rule")
   Call: (194) [system] string_concat(a, "ry rule", _1711528)
   Exit: (194) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "ary rule")
   Call: (193) [system] string_concat(n, "ary rule", _1705028)
   Exit: (193) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), "nary rule")
   Call: (192) [system] string_concat(e, "nary rule", _1698528)
   Exit: (192) [system] string_concat(e, "nary rule", "enary rule")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "enary rule")
   Call: (191) [system] string_concat(t, "enary rule", _1692028)
   Exit: (191) [system] string_concat(t, "enary rule", "tenary rule")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "tenary rule")
   Call: (190) [system] string_concat(n, "tenary rule", _1685528)
   Exit: (190) [system] string_concat(n, "tenary rule", "ntenary rule")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "ntenary rule")
   Call: (189) [system] string_concat(i, "ntenary rule", _1679028)
   Exit: (189) [system] string_concat(i, "ntenary rule", "intenary rule")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "intenary rule")
   Call: (188) [system] string_concat(u, "intenary rule", _1672528)
   Exit: (188) [system] string_concat(u, "intenary rule", "uintenary rule")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "uintenary rule")
   Call: (187) [system] string_concat('Q', "uintenary rule", _1666028)
   Exit: (187) [system] string_concat('Q', "uintenary rule", "Quintenary rule")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), "Quintenary rule")
   Call: (186) [system] string_concat(' ', "Quintenary rule", _1659528)
   Exit: (186) [system] string_concat(' ', "Quintenary rule", " Quintenary rule")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), " Quintenary rule")
   Call: (185) [system] string_concat(;, " Quintenary rule", _1653028)
   Exit: (185) [system] string_concat(;, " Quintenary rule", "; Quintenary rule")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), "; Quintenary rule")
   Call: (184) [system] string_concat(;, "; Quintenary rule", _1646528)
   Exit: (184) [system] string_concat(;, "; Quintenary rule", ";; Quintenary rule")
^  Exit: (183) [user] read_until_eol((0x558d99e6bec0), ";; Quintenary rule")
^  Call: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (182) [user] read_comment((0x558d99e6bec0))
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1825086)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1840164)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1576800)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1845734)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1859888)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1865458)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1867316)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1881470)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1865458)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899112)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1900046)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1899112=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1865458)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1909356, _1909358), once(user:catch(read_from_chars([=], _1865458), _1909332, fail)), '$restore_trace'(_1909356, _1909358))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1909356, _1909358))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1909332, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1916856)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1918714)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1926452)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1929156)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1944234)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1949804)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1951662)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1965816)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1949804)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1971386)
   Exit: (186) [system] peek_char((0x558d99e6bec0), s)
   Call: (186) [system] s=(;)
   Fail: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Fail: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Fail: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Fail: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
   Fail: (187) [system] char_type(s, cntrl)
^  Fail: (186) [user] is_like_space(s)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1985540)
   Exit: (185) [system] peek_char((0x558d99e6bec0), s)
   Call: (185) [system] s=')'
   Fail: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
   Fail: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1991110)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1992968)
   Exit: (187) [system] peek_char((0x558d99e6bec0), s)
   Call: (187) [system] s=(;)
   Fail: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Fail: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Fail: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Fail: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
   Fail: (188) [system] char_type(s, cntrl)
^  Fail: (187) [user] is_like_space(s)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _2007122)
   Exit: (186) [system] get_char((0x558d99e6bec0), s)
   Call: (186) [system] s='('
   Fail: (186) [system] s='('
   Call: (186) [system] s='['
   Fail: (186) [system] s='['
   Call: (186) [system] s='{'
   Fail: (186) [system] s='{'
   Call: (186) [system] s='"'
   Fail: (186) [system] s='"'
   Call: (186) [system] s=!
   Fail: (186) [system] s=!
   Call: (186) [system] s='\''
   Fail: (186) [system] s='\''
   Call: (186) [system] s='`'
   Fail: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
   Fail: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, _1991110)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2024764)
   Call: (188) [system] peek_char((0x558d99e6bec0), _2025698)
   Exit: (188) [system] peek_char((0x558d99e6bec0), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Fail: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_2030418, v('(', ')', end_of_file), y)
   Fail: (189) [system] arg(_2031350, v('(', ')', end_of_file), y)
^  Fail: (188) [user] is_delimiter(y)
   Call: (188) [system] ')'==y
   Fail: (188) [system] ')'==y
   Call: (188) [system] get_char((0x558d99e6bec0), y)
   Exit: (188) [system] get_char((0x558d99e6bec0), y)
   Call: (188) [system] y=(\)
   Fail: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2038700)
   Call: (189) [system] peek_char((0x558d99e6bec0), _2039634)
   Exit: (189) [system] peek_char((0x558d99e6bec0), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Fail: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_2044354, v('(', ')', end_of_file), n)
   Fail: (190) [system] arg(_2045286, v('(', ')', end_of_file), n)
^  Fail: (189) [user] is_delimiter(n)
   Call: (189) [system] ')'==n
   Fail: (189) [system] ')'==n
   Call: (189) [system] get_char((0x558d99e6bec0), n)
   Exit: (189) [system] get_char((0x558d99e6bec0), n)
   Call: (189) [system] n=(\)
   Fail: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2052636)
   Call: (190) [system] peek_char((0x558d99e6bec0), _2053570)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_2058290, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_2059222, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2066572)
   Call: (191) [system] peek_char((0x558d99e6bec0), _2067506)
   Exit: (191) [system] peek_char((0x558d99e6bec0), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Fail: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_2072226, v('(', ')', end_of_file), h)
   Fail: (192) [system] arg(_2073158, v('(', ')', end_of_file), h)
^  Fail: (191) [user] is_delimiter(h)
   Call: (191) [system] ')'==h
   Fail: (191) [system] ')'==h
   Call: (191) [system] get_char((0x558d99e6bec0), h)
   Exit: (191) [system] get_char((0x558d99e6bec0), h)
   Call: (191) [system] h=(\)
   Fail: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2080508)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2081442)
   Exit: (192) [system] peek_char((0x558d99e6bec0), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Fail: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_2086162, v('(', ')', end_of_file), e)
   Fail: (193) [system] arg(_2087094, v('(', ')', end_of_file), e)
^  Fail: (192) [user] is_delimiter(e)
   Call: (192) [system] ')'==e
   Fail: (192) [system] ')'==e
   Call: (192) [system] get_char((0x558d99e6bec0), e)
   Exit: (192) [system] get_char((0x558d99e6bec0), e)
   Call: (192) [system] e=(\)
   Fail: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2094444)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2095378)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_6692, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_7624, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _14974)
   Call: (194) [system] peek_char((0x558d99e6bec0), _15908)
   Exit: (194) [system] peek_char((0x558d99e6bec0), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Fail: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_20628, v('(', ')', end_of_file), i)
   Fail: (195) [system] arg(_21560, v('(', ')', end_of_file), i)
^  Fail: (194) [user] is_delimiter(i)
   Call: (194) [system] ')'==i
   Fail: (194) [system] ')'==i
   Call: (194) [system] get_char((0x558d99e6bec0), i)
   Exit: (194) [system] get_char((0x558d99e6bec0), i)
   Call: (194) [system] i=(\)
   Fail: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _28910)
   Call: (195) [system] peek_char((0x558d99e6bec0), _29844)
   Exit: (195) [system] peek_char((0x558d99e6bec0), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Fail: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_34564, v('(', ')', end_of_file), z)
   Fail: (196) [system] arg(_35496, v('(', ')', end_of_file), z)
^  Fail: (195) [user] is_delimiter(z)
   Call: (195) [system] ')'==z
   Fail: (195) [system] ')'==z
   Call: (195) [system] get_char((0x558d99e6bec0), z)
   Exit: (195) [system] get_char((0x558d99e6bec0), z)
   Call: (195) [system] z=(\)
   Fail: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _42846)
   Call: (196) [system] peek_char((0x558d99e6bec0), _43780)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_48500, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_49432, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _56782)
   Call: (197) [system] peek_char((0x558d99e6bec0), _57716)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _56782=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _42846=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (195) [system] _28910=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (194) [system] _14974=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (193) [system] _3396=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (192) [system] _3392=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (191) [system] _3388=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (190) [system] _3384=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (189) [system] _3380=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _3376=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _3372)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_92172, _92174), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _3372), _92148, fail)), '$restore_trace'(_92172, _92174))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_92172, _92174))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _92148, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _99672)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _101530)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _109268)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _111972)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _127050)
   Exit: (186) [system] peek_char((0x558d99e6bec0), $)
   Call: (186) [system] ($)=')'
   Fail: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
   Fail: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _132620)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _134478)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=(;)
   Fail: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Fail: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Fail: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Fail: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
   Fail: (189) [system] char_type($, cntrl)
^  Fail: (188) [user] is_like_space($)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _148632)
   Exit: (187) [system] get_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)='('
   Fail: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Fail: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Fail: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Fail: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Fail: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Fail: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Fail: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _132620)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _166274)
   Call: (189) [system] peek_char((0x558d99e6bec0), _167208)
   Exit: (189) [system] peek_char((0x558d99e6bec0), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Fail: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_171928, v('(', ')', end_of_file), q)
   Fail: (190) [system] arg(_172860, v('(', ')', end_of_file), q)
^  Fail: (189) [user] is_delimiter(q)
   Call: (189) [system] ')'==q
   Fail: (189) [system] ')'==q
   Call: (189) [system] get_char((0x558d99e6bec0), q)
   Exit: (189) [system] get_char((0x558d99e6bec0), q)
   Call: (189) [system] q=(\)
   Fail: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180210)
   Call: (190) [system] peek_char((0x558d99e6bec0), _181144)
   Exit: (190) [system] peek_char((0x558d99e6bec0), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Fail: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_185864, v('(', ')', end_of_file), u)
   Fail: (191) [system] arg(_186796, v('(', ')', end_of_file), u)
^  Fail: (190) [user] is_delimiter(u)
   Call: (190) [system] ')'==u
   Fail: (190) [system] ')'==u
   Call: (190) [system] get_char((0x558d99e6bec0), u)
   Exit: (190) [system] get_char((0x558d99e6bec0), u)
   Call: (190) [system] u=(\)
   Fail: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _194146)
   Call: (191) [system] peek_char((0x558d99e6bec0), _195080)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_199800, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_200732, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _208082)
   Call: (192) [system] peek_char((0x558d99e6bec0), _209016)
   Exit: (192) [system] peek_char((0x558d99e6bec0), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Fail: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_213736, v('(', ')', end_of_file), r)
   Fail: (193) [system] arg(_214668, v('(', ')', end_of_file), r)
^  Fail: (192) [user] is_delimiter(r)
   Call: (192) [system] ')'==r
   Fail: (192) [system] ')'==r
   Call: (192) [system] get_char((0x558d99e6bec0), r)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r=(\)
   Fail: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _222018)
   Call: (193) [system] peek_char((0x558d99e6bec0), _222952)
   Exit: (193) [system] peek_char((0x558d99e6bec0), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Fail: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_227672, v('(', ')', end_of_file), y)
   Fail: (194) [system] arg(_228604, v('(', ')', end_of_file), y)
^  Fail: (193) [user] is_delimiter(y)
   Call: (193) [system] ')'==y
   Fail: (193) [system] ')'==y
   Call: (193) [system] get_char((0x558d99e6bec0), y)
   Exit: (193) [system] get_char((0x558d99e6bec0), y)
   Call: (193) [system] y=(\)
   Fail: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _235954)
   Call: (194) [system] peek_char((0x558d99e6bec0), _236888)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _235954=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _222018=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (192) [system] _208082=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (191) [system] _194146=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (190) [system] _180210=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (189) [system] _166274=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _132620)
   Call: (189) [system] atom_chars(_260142, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _264806)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _266664)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _274402)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _277106)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _292184)
   Exit: (187) [system] peek_char((0x558d99e6bec0), $)
   Call: (187) [system] ($)=')'
   Fail: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
   Fail: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _297754)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _299612)
   Exit: (189) [system] peek_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)=(;)
   Fail: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Fail: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Fail: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Fail: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
   Fail: (190) [system] char_type($, cntrl)
^  Fail: (189) [user] is_like_space($)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _313766)
   Exit: (188) [system] get_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)='('
   Fail: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Fail: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Fail: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Fail: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Fail: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Fail: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Fail: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _297754)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _331408)
   Call: (190) [system] peek_char((0x558d99e6bec0), _332342)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_337062, v('(', ')', end_of_file), k)
   Fail: (191) [system] arg(_337994, v('(', ')', end_of_file), k)
^  Fail: (190) [user] is_delimiter(k)
   Call: (190) [system] ')'==k
   Fail: (190) [system] ')'==k
   Call: (190) [system] get_char((0x558d99e6bec0), k)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(\)
   Fail: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _345344)
   Call: (191) [system] peek_char((0x558d99e6bec0), _346278)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_350998, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_351930, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _359280)
   Call: (192) [system] peek_char((0x558d99e6bec0), _360214)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _359280=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _345344=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (190) [system] _331408=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _297754)
   Call: (190) [system] atom_chars(_375086, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _379750)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _381608)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _389346)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _392050)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _407128)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _412698)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _414556)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _428710)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _412698)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _446352)
   Call: (191) [system] peek_char((0x558d99e6bec0), _447286)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_452006, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_452938, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _460288)
   Call: (192) [system] peek_char((0x558d99e6bec0), _461222)
   Exit: (192) [system] peek_char((0x558d99e6bec0), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Fail: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_465942, v('(', ')', end_of_file), b)
   Fail: (193) [system] arg(_466874, v('(', ')', end_of_file), b)
^  Fail: (192) [user] is_delimiter(b)
   Call: (192) [system] ')'==b
   Fail: (192) [system] ')'==b
   Call: (192) [system] get_char((0x558d99e6bec0), b)
   Exit: (192) [system] get_char((0x558d99e6bec0), b)
   Call: (192) [system] b=(\)
   Fail: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _474224)
   Call: (193) [system] peek_char((0x558d99e6bec0), _475158)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _474224=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (192) [system] _460288=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (191) [system] _446352=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _412698)
   Call: (191) [system] atom_chars(_490030, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _494694)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _496552)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _504290)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _506994)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _522072)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _527642)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _529500)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _543654)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _527642)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _549224)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'=(;)
   Fail: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Fail: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Fail: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Fail: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
   Fail: (193) [system] char_type('S', cntrl)
^  Fail: (192) [user] is_like_space('S')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _563378)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (191) [system] 'S'=')'
   Fail: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
   Fail: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _568948)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _570806)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (193) [system] 'S'=(;)
   Fail: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Fail: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Fail: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Fail: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
   Fail: (194) [system] char_type('S', cntrl)
^  Fail: (193) [user] is_like_space('S')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _584960)
   Exit: (192) [system] get_char((0x558d99e6bec0), 'S')
   Call: (192) [system] 'S'='('
   Fail: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Fail: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Fail: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Fail: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Fail: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Fail: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Fail: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
   Fail: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _568948)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _602602)
   Call: (194) [system] peek_char((0x558d99e6bec0), _603536)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _602602=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _568948)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_612846, _612848), once(user:catch(read_from_chars(['S'], _568948), _612822, fail)), '$restore_trace'(_612846, _612848))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_612846, _612848))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _568948), _612822, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_568948)
   Fail: (194) [system] atomic(_568948)
   Call: (194) [system] atom_chars(_568948, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _622222)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _624080)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _631818)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _634522)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _649600)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _655170)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _657028)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _671182)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _655170)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _688824)
   Call: (195) [system] peek_char((0x558d99e6bec0), _689758)
   Exit: (195) [system] peek_char((0x558d99e6bec0), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Fail: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_694478, v('(', ')', end_of_file), k)
   Fail: (196) [system] arg(_695410, v('(', ')', end_of_file), k)
^  Fail: (195) [user] is_delimiter(k)
   Call: (195) [system] ')'==k
   Fail: (195) [system] ')'==k
   Call: (195) [system] get_char((0x558d99e6bec0), k)
   Exit: (195) [system] get_char((0x558d99e6bec0), k)
   Call: (195) [system] k=(\)
   Fail: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _702760)
   Call: (196) [system] peek_char((0x558d99e6bec0), _703694)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_708414, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _702760=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _688824=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _655170)
   Call: (195) [system] atom_chars(_717644, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _722308)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _724166)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _738320)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _742110)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _722308=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _622222=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (191) [system] _527642=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', _k])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _753198)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _755056)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _769210)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _773000)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _753198=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _494694=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [['S', _k]])
   Call: (188) [system] _379750=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_rb, ['S', _k]])
   Call: (187) [system] _264806=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _99672=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3366=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _792470)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _794328)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (185) [system] '\n'=(;)
   Fail: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Fail: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x558d99e6bec0), _803922)
   Exit: (185) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _806626)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _814364)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _817068)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _824806)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _827510)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _835248)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _837952)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _855802)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _861372)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _863230)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _877384)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _861372)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _882954)
   Exit: (187) [system] peek_char((0x558d99e6bec0), l)
   Call: (187) [system] l=(;)
   Fail: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Fail: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Fail: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Fail: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
   Fail: (188) [system] char_type(l, cntrl)
^  Fail: (187) [user] is_like_space(l)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _897108)
   Exit: (186) [system] peek_char((0x558d99e6bec0), l)
   Call: (186) [system] l=')'
   Fail: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
   Fail: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _902678)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _904536)
   Exit: (188) [system] peek_char((0x558d99e6bec0), l)
   Call: (188) [system] l=(;)
   Fail: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Fail: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Fail: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Fail: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
   Fail: (189) [system] char_type(l, cntrl)
^  Fail: (188) [user] is_like_space(l)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _918690)
   Exit: (187) [system] get_char((0x558d99e6bec0), l)
   Call: (187) [system] l='('
   Fail: (187) [system] l='('
   Call: (187) [system] l='['
   Fail: (187) [system] l='['
   Call: (187) [system] l='{'
   Fail: (187) [system] l='{'
   Call: (187) [system] l='"'
   Fail: (187) [system] l='"'
   Call: (187) [system] l=!
   Fail: (187) [system] l=!
   Call: (187) [system] l='\''
   Fail: (187) [system] l='\''
   Call: (187) [system] l='`'
   Fail: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
   Fail: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, _902678)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _936332)
   Call: (189) [system] peek_char((0x558d99e6bec0), _937266)
   Exit: (189) [system] peek_char((0x558d99e6bec0), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Fail: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_941986, v('(', ')', end_of_file), e)
   Fail: (190) [system] arg(_942918, v('(', ')', end_of_file), e)
^  Fail: (189) [user] is_delimiter(e)
   Call: (189) [system] ')'==e
   Fail: (189) [system] ')'==e
   Call: (189) [system] get_char((0x558d99e6bec0), e)
   Exit: (189) [system] get_char((0x558d99e6bec0), e)
   Call: (189) [system] e=(\)
   Fail: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _950268)
   Call: (190) [system] peek_char((0x558d99e6bec0), _951202)
   Exit: (190) [system] peek_char((0x558d99e6bec0), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Fail: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_955922, v('(', ')', end_of_file), t)
   Fail: (191) [system] arg(_956854, v('(', ')', end_of_file), t)
^  Fail: (190) [user] is_delimiter(t)
   Call: (190) [system] ')'==t
   Fail: (190) [system] ')'==t
   Call: (190) [system] get_char((0x558d99e6bec0), t)
   Exit: (190) [system] get_char((0x558d99e6bec0), t)
   Call: (190) [system] t=(\)
   Fail: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _964204)
   Call: (191) [system] peek_char((0x558d99e6bec0), _965138)
   Exit: (191) [system] peek_char((0x558d99e6bec0), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Fail: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_969858, v('(', ')', end_of_file), *)
   Fail: (192) [system] arg(_970790, v('(', ')', end_of_file), *)
^  Fail: (191) [user] is_delimiter(*)
   Call: (191) [system] ')'==(*)
   Fail: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x558d99e6bec0), *)
   Exit: (191) [system] get_char((0x558d99e6bec0), *)
   Call: (191) [system] (*)=(\)
   Fail: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _978140)
   Call: (192) [system] peek_char((0x558d99e6bec0), _979074)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _978140=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _964204=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [*])
   Call: (190) [system] _950268=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, *])
   Call: (189) [system] _936332=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _902678)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_996766, _996768), once(user:catch(read_from_chars([l, e, t, *], _902678), _996742, fail)), '$restore_trace'(_996766, _996768))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_996766, _996768))
   Call: (189) [system] atom_chars(_3436, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), 'let*')
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _8208)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _10066)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _17804)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _20508)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _35586)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _41156)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _43014)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _57168)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _41156)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _62738)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _76892)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _82462)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _84320)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _98474)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _82462)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _104044)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _118198)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _123768)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _125626)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _139780)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _123768)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _145350)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _159504)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _165074)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _166932)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _181086)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _165074)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198728)
   Call: (196) [system] peek_char((0x558d99e6bec0), _199662)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _198728=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _165074)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_208972, _208974), once(user:catch(read_from_chars([:], _165074), _208948, fail)), '$restore_trace'(_208972, _208974))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_208972, _208974))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _208948, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _216472)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _218330)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _226068)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228772)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _243850)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _249420)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _251278)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _265432)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _249420)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _283074)
   Call: (197) [system] peek_char((0x558d99e6bec0), _284008)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_288728, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_289660, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _297010)
   Call: (198) [system] peek_char((0x558d99e6bec0), _297944)
   Exit: (198) [system] peek_char((0x558d99e6bec0), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Fail: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_302664, v('(', ')', end_of_file), u)
   Fail: (199) [system] arg(_303596, v('(', ')', end_of_file), u)
^  Fail: (198) [user] is_delimiter(u)
   Call: (198) [system] ')'==u
   Fail: (198) [system] ')'==u
   Call: (198) [system] get_char((0x558d99e6bec0), u)
   Exit: (198) [system] get_char((0x558d99e6bec0), u)
   Call: (198) [system] u=(\)
   Fail: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310946)
   Call: (199) [system] peek_char((0x558d99e6bec0), _311880)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_316600, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_317532, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324882)
   Call: (200) [system] peek_char((0x558d99e6bec0), _325816)
   Exit: (200) [system] peek_char((0x558d99e6bec0), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Fail: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_330536, v('(', ')', end_of_file), t)
   Fail: (201) [system] arg(_331468, v('(', ')', end_of_file), t)
^  Fail: (200) [user] is_delimiter(t)
   Call: (200) [system] ')'==t
   Fail: (200) [system] ')'==t
   Call: (200) [system] get_char((0x558d99e6bec0), t)
   Exit: (200) [system] get_char((0x558d99e6bec0), t)
   Call: (200) [system] t=(\)
   Fail: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338818)
   Call: (201) [system] peek_char((0x558d99e6bec0), _339752)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_344472, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_345404, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352754)
   Call: (202) [system] peek_char((0x558d99e6bec0), _353688)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_358408, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_359340, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366690)
   Call: (203) [system] peek_char((0x558d99e6bec0), _367624)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _366690=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _352754=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (201) [system] _338818=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (200) [system] _324882=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (199) [system] _310946=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (198) [system] _297010=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (197) [system] _283074=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _249420)
   Call: (197) [system] atom_chars(_393672, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _398336)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _400194)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _407932)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _410636)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _425714)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _431284)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _433142)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _447296)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _431284)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _452866)
   Exit: (198) [system] peek_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)=(;)
   Fail: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Fail: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Fail: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Fail: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
   Fail: (199) [system] char_type(-, cntrl)
^  Fail: (198) [user] is_like_space(-)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _467020)
   Exit: (197) [system] peek_char((0x558d99e6bec0), -)
   Call: (197) [system] (-)=')'
   Fail: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
   Fail: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _472590)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _474448)
   Exit: (199) [system] peek_char((0x558d99e6bec0), -)
   Call: (199) [system] (-)=(;)
   Fail: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Fail: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Fail: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Fail: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
   Fail: (200) [system] char_type(-, cntrl)
^  Fail: (199) [user] is_like_space(-)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _488602)
   Exit: (198) [system] get_char((0x558d99e6bec0), -)
   Call: (198) [system] (-)='('
   Fail: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Fail: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Fail: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Fail: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Fail: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Fail: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Fail: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
   Fail: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, _472590)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506244)
   Call: (200) [system] peek_char((0x558d99e6bec0), _507178)
   Exit: (200) [system] peek_char((0x558d99e6bec0), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Fail: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_511898, v('(', ')', end_of_file), >)
   Fail: (201) [system] arg(_512830, v('(', ')', end_of_file), >)
^  Fail: (200) [user] is_delimiter(>)
   Call: (200) [system] ')'==(>)
   Fail: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x558d99e6bec0), >)
   Exit: (200) [system] get_char((0x558d99e6bec0), >)
   Call: (200) [system] (>)=(\)
   Fail: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520180)
   Call: (201) [system] peek_char((0x558d99e6bec0), _521114)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _520180=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _506244=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _472590)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_533218, _533220), once(user:catch(read_from_chars([-, >], _472590), _533194, fail)), '$restore_trace'(_533218, _533220))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_533218, _533220))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _533194, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _540718)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _542576)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _550314)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _553018)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _568096)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _573666)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _575524)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _589678)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _573666)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _607320)
   Call: (201) [system] peek_char((0x558d99e6bec0), _608254)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_612974, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_613906, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _621256)
   Call: (202) [system] peek_char((0x558d99e6bec0), _622190)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_626910, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_627842, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _635192)
   Call: (203) [system] peek_char((0x558d99e6bec0), _636126)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_640846, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_641778, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649128)
   Call: (204) [system] peek_char((0x558d99e6bec0), _650062)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_654782, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_655714, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663064)
   Call: (205) [system] peek_char((0x558d99e6bec0), _663998)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_668718, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_669650, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _677000)
   Call: (206) [system] peek_char((0x558d99e6bec0), _677934)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_682654, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_683586, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _690936)
   Call: (207) [system] peek_char((0x558d99e6bec0), _691870)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_696590, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_697522, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _704872)
   Call: (208) [system] peek_char((0x558d99e6bec0), _705806)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_710526, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_711458, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _718808)
   Call: (209) [system] peek_char((0x558d99e6bec0), _719742)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _718808=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _704872=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _690936=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (206) [system] _677000=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (205) [system] _663064=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (204) [system] _649128=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (203) [system] _635192=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (202) [system] _621256=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _607320=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _573666)
   Call: (201) [system] atom_chars(_751378, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _756042)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _757900)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _765638)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _768342)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _783420)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _788990)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _790848)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _805002)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _788990)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _822644)
   Call: (202) [system] peek_char((0x558d99e6bec0), _823578)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_828298, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_829230, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _836580)
   Call: (203) [system] peek_char((0x558d99e6bec0), _837514)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_842234, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_843166, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _850516)
   Call: (204) [system] peek_char((0x558d99e6bec0), _851450)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_856170, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_857102, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _864452)
   Call: (205) [system] peek_char((0x558d99e6bec0), _865386)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_870106, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_871038, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _878388)
   Call: (206) [system] peek_char((0x558d99e6bec0), _879322)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_884042, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_884974, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892324)
   Call: (207) [system] peek_char((0x558d99e6bec0), _893258)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_897978, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_898910, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _906260)
   Call: (208) [system] peek_char((0x558d99e6bec0), _907194)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_911914, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_912846, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _920196)
   Call: (209) [system] peek_char((0x558d99e6bec0), _921130)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_925850, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_926782, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934132)
   Call: (210) [system] peek_char((0x558d99e6bec0), _935066)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _934132=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _920196=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _906260=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (207) [system] _892324=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (206) [system] _878388=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (205) [system] _864452=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (204) [system] _850516=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (203) [system] _836580=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _822644=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _788990)
   Call: (202) [system] atom_chars(_966702, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _971366)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _973224)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _980962)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _983666)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _998744)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1004314)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1006172)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1020326)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1004314)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037968)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1038902)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1043622, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1044554, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051904)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1052838)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1057558, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1058490, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065840)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1066774)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1071494, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_1072426, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1079776)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1080710)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1085430, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1086362, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093712)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1094646)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1099366, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1100298, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107648)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1108582)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1113302, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_1114234, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121584)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1122518)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1127238, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1128170, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1135520)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1136454)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_1141174, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_1142106, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x558d99e6bec0), '3')
   Exit: (210) [system] get_char((0x558d99e6bec0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1149456)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1150390)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1149456=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1135520=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (209) [system] _1121584=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (208) [system] _1107648=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (207) [system] _1093712=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (206) [system] _1079776=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (205) [system] _1065840=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (204) [system] _1051904=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _1037968=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1004314)
   Call: (203) [system] atom_chars(_1182026, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1186690)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1188548)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1196286)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1198990)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1214068)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1219638)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1221496)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1235650)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1219638)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1253292)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1254226)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1258946, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1259878, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1267228)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1268162)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1272882, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1273814, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1281164)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1282098)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1286818, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1287750, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1295100)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1296034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1300754, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1301686, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1309036)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1309970)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1314690, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1315622, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1322972)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1323906)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1328626, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1329558, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1336908)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1337842)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1342562, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1343494, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1350844)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1351778)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1356498, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_1357430, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x558d99e6bec0), '4')
   Exit: (211) [system] get_char((0x558d99e6bec0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1364780)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1365714)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1364780=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1350844=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (210) [system] _1336908=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '4'])
   Call: (209) [system] _1322972=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '4'])
   Call: (208) [system] _1309036=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '4'])
   Call: (207) [system] _1295100=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '4'])
   Call: (206) [system] _1281164=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '4'])
   Call: (205) [system] _1267228=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _1253292=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _1219638)
   Call: (204) [system] atom_chars(_1397350, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise4)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1402014)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1403872)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1411610)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1414314)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1429392)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1434962)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1436820)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1450974)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1434962)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1468616)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1469550)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1474270, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1475202, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1482552)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1483486)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1488206, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1489138, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1496488)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1497422)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1502142, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1503074, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1510424)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1511358)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1516078, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1517010, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1524360)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1525294)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1530014, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1530946, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1538296)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1539230)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1543950, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1544882, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1552232)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1553166)
   Exit: (211) [system] peek_char((0x558d99e6bec0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1557886, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1558818, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x558d99e6bec0), e)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1566168)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1567102)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1571822, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_1572754, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x558d99e6bec0), '5')
   Exit: (212) [system] get_char((0x558d99e6bec0), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1580104)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1581038)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1580104=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1566168=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['5'])
   Call: (211) [system] _1552232=[e, '5']
   Exit: (211) [system] [e, '5']=[e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '5'])
   Call: (210) [system] _1538296=[s, e, '5']
   Exit: (210) [system] [s, e, '5']=[s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '5'])
   Call: (209) [system] _1524360=[i, s, e, '5']
   Exit: (209) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '5'])
   Call: (208) [system] _1510424=[m, i, s, e, '5']
   Exit: (208) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '5'])
   Call: (207) [system] _1496488=[e, m, i, s, e, '5']
   Exit: (207) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '5'])
   Call: (206) [system] _1482552=[r, e, m, i, s, e, '5']
   Exit: (206) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '5'])
   Call: (205) [system] _1468616=[p, r, e, m, i, s, e, '5']
   Exit: (205) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '5'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _1434962)
   Call: (205) [system] atom_chars(_1612674, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (205) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise5)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _premise5)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1617338)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1619196)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1626934)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1629638)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1644716)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1650286)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1652144)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1666298)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _1650286)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1683940)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1684874)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1689594, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1690526, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x558d99e6bec0), c)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1697876)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1698810)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1703530, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1704462, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711812)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1712746)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1717466, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1718398, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1725748)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1726682)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1731402, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1732334, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x558d99e6bec0), c)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1739684)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1740618)
   Exit: (210) [system] peek_char((0x558d99e6bec0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1745338, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1746270, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x558d99e6bec0), l)
   Exit: (210) [system] get_char((0x558d99e6bec0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1753620)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1754554)
   Exit: (211) [system] peek_char((0x558d99e6bec0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1759274, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1760206, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x558d99e6bec0), u)
   Exit: (211) [system] get_char((0x558d99e6bec0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1767556)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1768490)
   Exit: (212) [system] peek_char((0x558d99e6bec0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1773210, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1774142, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x558d99e6bec0), s)
   Exit: (212) [system] get_char((0x558d99e6bec0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781492)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1782426)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1787146, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1788078, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1795428)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1796362)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1801082, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1802014, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1809364)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1810298)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1815018, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1815950, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1823300)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1824234)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1828954, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1823300=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1809364=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (214) [system] _1795428=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (213) [system] _1781492=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (212) [system] _1767556=[s, i, o, n]
   Exit: (212) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (211) [system] _1753620=[u, s, i, o, n]
   Exit: (211) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (210) [system] _1739684=[l, u, s, i, o, n]
   Exit: (210) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (209) [system] _1725748=[c, l, u, s, i, o, n]
   Exit: (209) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (208) [system] _1711812=[n, c, l, u, s, i, o, n]
   Exit: (208) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (207) [system] _1697876=[o, n, c, l, u, s, i, o, n]
   Exit: (207) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (206) [system] _1683940=[c, o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1650286)
   Call: (206) [system] atom_chars(_1863330, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (206) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1867994)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1869852)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1884006)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _1887796)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _1867994=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1617338=[_conclusion]
   Exit: (203) [system] [_conclusion]=[_conclusion]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (202) [system] _1402014=[_premise5, _conclusion]
   Exit: (202) [system] [_premise5, _conclusion]=[_premise5, _conclusion]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_premise5, _conclusion])
   Call: (201) [system] _1186690=[_premise4, _premise5, _conclusion]
   Exit: (201) [system] [_premise4, _premise5, _conclusion]=[_premise4, _premise5, _conclusion]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise4, _premise5, _conclusion])
   Call: (200) [system] _971366=[_premise3, _premise4, _premise5, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _premise5, _conclusion]=[_premise3, _premise4, _premise5, _conclusion]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_premise3, _premise4, _premise5, _conclusion])
   Call: (199) [system] _756042=[_premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (198) [system] _540718=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (197) [system] _431284=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1912854)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1914712)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1928866)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1932656)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1912854=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _398336=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (194) [system] _216472=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (193) [system] _123768=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1946538)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1948396)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1956134)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1958838)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1973916)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1979486)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1981344)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1995498)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1979486)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2001068)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2015222)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _2020792)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2022650)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _2036804)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _2020792)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2054446)
   Call: (197) [system] peek_char((0x558d99e6bec0), _2055380)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_2060100, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_2061032, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2068382)
   Call: (198) [system] peek_char((0x558d99e6bec0), _2069316)
   Exit: (198) [system] peek_char((0x558d99e6bec0), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Fail: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_2074036, v('(', ')', end_of_file), b)
   Fail: (199) [system] arg(_2074968, v('(', ')', end_of_file), b)
^  Fail: (198) [user] is_delimiter(b)
   Call: (198) [system] ')'==b
   Fail: (198) [system] ')'==b
   Call: (198) [system] get_char((0x558d99e6bec0), b)
   Exit: (198) [system] get_char((0x558d99e6bec0), b)
   Call: (198) [system] b=(\)
   Fail: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2082318)
   Call: (199) [system] peek_char((0x558d99e6bec0), _2083252)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_2087972, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _2082318=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _2068382=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (197) [system] _3558=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _3554)
   Call: (197) [system] atom_chars(_6762, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _11426)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _13284)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _27438)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _31228)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _11426=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _3548=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [_rb])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _39522)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _41380)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _55534)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _59324)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _39522=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _3544=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[_rb]])
   Call: (191) [system] _3448=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _70412)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _72270)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _81864)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _84568)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _92306)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _95010)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _102748)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _105452)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _113190)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _115894)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _123632)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _126336)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _134074)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _136778)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _144516)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _147220)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _154958)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _157662)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _165400)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _168104)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _175842)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _178546)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _186284)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _188988)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _213306)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _218876)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _220734)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _234888)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _218876)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _240458)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _254612)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _260182)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _262040)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _276194)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _260182)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _281764)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _295918)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _301488)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _303346)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _317500)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _301488)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335142)
   Call: (197) [system] peek_char((0x558d99e6bec0), _336076)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _335142=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _301488)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_345386, _345388), once(user:catch(read_from_chars([:], _301488), _345362, fail)), '$restore_trace'(_345386, _345388))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_345386, _345388))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _345362, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _352886)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _354744)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _362482)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _365186)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _380264)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _385834)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _387692)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _401846)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _385834)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _407416)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _421570)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _427140)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _428998)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _443152)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _427140)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _460794)
   Call: (200) [system] peek_char((0x558d99e6bec0), _461728)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_466448, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_467380, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _474730)
   Call: (201) [system] peek_char((0x558d99e6bec0), _475664)
   Exit: (201) [system] peek_char((0x558d99e6bec0), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Fail: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_480384, v('(', ')', end_of_file), u)
   Fail: (202) [system] arg(_481316, v('(', ')', end_of_file), u)
^  Fail: (201) [user] is_delimiter(u)
   Call: (201) [system] ')'==u
   Fail: (201) [system] ')'==u
   Call: (201) [system] get_char((0x558d99e6bec0), u)
   Exit: (201) [system] get_char((0x558d99e6bec0), u)
   Call: (201) [system] u=(\)
   Fail: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _488666)
   Call: (202) [system] peek_char((0x558d99e6bec0), _489600)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_494320, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_495252, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _502602)
   Call: (203) [system] peek_char((0x558d99e6bec0), _503536)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_508256, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_509188, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _516538)
   Call: (204) [system] peek_char((0x558d99e6bec0), _517472)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_522192, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_523124, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _530474)
   Call: (205) [system] peek_char((0x558d99e6bec0), _531408)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_536128, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_537060, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _544410)
   Call: (206) [system] peek_char((0x558d99e6bec0), _545344)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _544410=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _530474=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
   Call: (204) [system] _516538=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, r])
   Call: (203) [system] _502602=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, r])
   Call: (202) [system] _488666=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, o, r])
   Call: (201) [system] _474730=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, o, r])
   Call: (200) [system] _460794=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _427140)
   Call: (200) [system] atom_chars(_571392, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _ructor)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _576056)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _577914)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _585652)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _588356)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _603434)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _609004)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _610862)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _625016)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _609004)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _642658)
   Call: (201) [system] peek_char((0x558d99e6bec0), _643592)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_648312, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_649244, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _656594)
   Call: (202) [system] peek_char((0x558d99e6bec0), _657528)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_662248, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_663180, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _670530)
   Call: (203) [system] peek_char((0x558d99e6bec0), _671464)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_676184, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_677116, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _684466)
   Call: (204) [system] peek_char((0x558d99e6bec0), _685400)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_690120, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_691052, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _698402)
   Call: (205) [system] peek_char((0x558d99e6bec0), _699336)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_704056, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_704988, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _712338)
   Call: (206) [system] peek_char((0x558d99e6bec0), _713272)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Fail: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_717992, v('(', ')', end_of_file), '1')
   Fail: (207) [system] arg(_718924, v('(', ')', end_of_file), '1')
^  Fail: (206) [user] is_delimiter('1')
   Call: (206) [system] ')'=='1'
   Fail: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x558d99e6bec0), '1')
   Exit: (206) [system] get_char((0x558d99e6bec0), '1')
   Call: (206) [system] '1'=(\)
   Fail: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _726274)
   Call: (207) [system] peek_char((0x558d99e6bec0), _727208)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _726274=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _712338=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (205) [system] _698402=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (204) [system] _684466=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (203) [system] _670530=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (202) [system] _656594=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (201) [system] _642658=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _609004)
   Call: (201) [system] atom_chars(_753256, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _757920)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _759778)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _767516)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _770220)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _785298)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _790868)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _792726)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _806880)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _790868)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _824522)
   Call: (202) [system] peek_char((0x558d99e6bec0), _825456)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_830176, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_831108, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _838458)
   Call: (203) [system] peek_char((0x558d99e6bec0), _839392)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_844112, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_845044, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _852394)
   Call: (204) [system] peek_char((0x558d99e6bec0), _853328)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_858048, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_858980, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _866330)
   Call: (205) [system] peek_char((0x558d99e6bec0), _867264)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_871984, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_872916, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _880266)
   Call: (206) [system] peek_char((0x558d99e6bec0), _881200)
   Exit: (206) [system] peek_char((0x558d99e6bec0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_885920, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_886852, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x558d99e6bec0), f)
   Exit: (206) [system] get_char((0x558d99e6bec0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _894202)
   Call: (207) [system] peek_char((0x558d99e6bec0), _895136)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Fail: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_899856, v('(', ')', end_of_file), '2')
   Fail: (208) [system] arg(_900788, v('(', ')', end_of_file), '2')
^  Fail: (207) [user] is_delimiter('2')
   Call: (207) [system] ')'=='2'
   Fail: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x558d99e6bec0), '2')
   Exit: (207) [system] get_char((0x558d99e6bec0), '2')
   Call: (207) [system] '2'=(\)
   Fail: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _908138)
   Call: (208) [system] peek_char((0x558d99e6bec0), _909072)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _908138=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _894202=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (206) [system] _880266=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (205) [system] _866330=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (204) [system] _852394=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (203) [system] _838458=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (202) [system] _824522=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _790868)
   Call: (202) [system] atom_chars(_935120, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _939784)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _941642)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _949380)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _952084)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _967162)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _972732)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _974590)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _988744)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _972732)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1006386)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1007320)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1012040, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1012972, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1020322)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1021256)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1025976, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1026908, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1034258)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1035192)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1039912, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1040844, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1048194)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1049128)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1053848, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1054780, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1062130)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1063064)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1067784, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1068716, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1076066)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1077000)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Fail: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_1081720, v('(', ')', end_of_file), '3')
   Fail: (209) [system] arg(_1082652, v('(', ')', end_of_file), '3')
^  Fail: (208) [user] is_delimiter('3')
   Call: (208) [system] ')'=='3'
   Fail: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x558d99e6bec0), '3')
   Exit: (208) [system] get_char((0x558d99e6bec0), '3')
   Call: (208) [system] '3'=(\)
   Fail: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1090002)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1090936)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1090002=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1076066=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (207) [system] _1062130=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (206) [system] _1048194=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (205) [system] _1034258=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (204) [system] _1020322=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (203) [system] _1006386=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _972732)
   Call: (203) [system] atom_chars(_1116984, ['_', p, r, o, o, f, '3'])
   Exit: (203) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1121648)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1123506)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1131244)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1133948)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1149026)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1154596)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1156454)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1170608)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1154596)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1188250)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1189184)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1193904, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1194836, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1202186)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1203120)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1207840, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1208772, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1216122)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1217056)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1221776, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1222708, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1230058)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1230992)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1235712, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1236644, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1243994)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1244928)
   Exit: (208) [system] peek_char((0x558d99e6bec0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1249648, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1250580, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x558d99e6bec0), f)
   Exit: (208) [system] get_char((0x558d99e6bec0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1257930)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1258864)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Fail: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_1263584, v('(', ')', end_of_file), '4')
   Fail: (210) [system] arg(_1264516, v('(', ')', end_of_file), '4')
^  Fail: (209) [user] is_delimiter('4')
   Call: (209) [system] ')'=='4'
   Fail: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x558d99e6bec0), '4')
   Exit: (209) [system] get_char((0x558d99e6bec0), '4')
   Call: (209) [system] '4'=(\)
   Fail: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1271866)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1272800)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1271866=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1257930=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (208) [system] _1243994=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '4'])
   Call: (207) [system] _1230058=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '4'])
   Call: (206) [system] _1216122=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '4'])
   Call: (205) [system] _1202186=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '4'])
   Call: (204) [system] _1188250=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1154596)
   Call: (204) [system] atom_chars(_1298848, ['_', p, r, o, o, f, '4'])
   Exit: (204) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _proof4)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1303512)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1305370)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1313108)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1315812)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1330890)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1336460)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1338318)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1352472)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1336460)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1370114)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1371048)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1375768, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1376700, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1384050)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1384984)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1389704, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1390636, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1397986)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1398920)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1403640, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1404572, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1411922)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1412856)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1417576, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_1418508, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1425858)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1426792)
   Exit: (209) [system] peek_char((0x558d99e6bec0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_1431512, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_1432444, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x558d99e6bec0), f)
   Exit: (209) [system] get_char((0x558d99e6bec0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1439794)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1440728)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '5')
^  Call: (210) [user] is_delimiter('5')
   Call: (211) [system] char_type('5', space)
   Fail: (211) [system] char_type('5', space)
   Call: (211) [system] arg(_1445448, v('(', ')', end_of_file), '5')
   Fail: (211) [system] arg(_1446380, v('(', ')', end_of_file), '5')
^  Fail: (210) [user] is_delimiter('5')
   Call: (210) [system] ')'=='5'
   Fail: (210) [system] ')'=='5'
   Call: (210) [system] get_char((0x558d99e6bec0), '5')
   Exit: (210) [system] get_char((0x558d99e6bec0), '5')
   Call: (210) [system] '5'=(\)
   Fail: (210) [system] '5'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1453730)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1454664)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1459384, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1453730=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1439794=['5']
   Exit: (210) [system] ['5']=['5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['5'])
   Call: (209) [system] _1425858=[f, '5']
   Exit: (209) [system] [f, '5']=[f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '5'])
   Call: (208) [system] _1411922=[o, f, '5']
   Exit: (208) [system] [o, f, '5']=[o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '5'])
   Call: (207) [system] _1397986=[o, o, f, '5']
   Exit: (207) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '5'])
   Call: (206) [system] _1384050=[r, o, o, f, '5']
   Exit: (206) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '5'])
   Call: (205) [system] _1370114=[p, r, o, o, f, '5']
   Exit: (205) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '5'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _1336460)
   Call: (205) [system] atom_chars(_1482584, ['_', p, r, o, o, f, '5'])
   Exit: (205) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _proof5)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof5)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _proof5)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1487248)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1489106)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1503260)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1507050)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1487248=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1303512=[_proof5]
   Exit: (202) [system] [_proof5]=[_proof5]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_proof5])
   Call: (201) [system] _1121648=[_proof4, _proof5]
   Exit: (201) [system] [_proof4, _proof5]=[_proof4, _proof5]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_proof4, _proof5])
   Call: (200) [system] _939784=[_proof3, _proof4, _proof5]
   Exit: (200) [system] [_proof3, _proof4, _proof5]=[_proof3, _proof4, _proof5]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof3, _proof4, _proof5])
   Call: (199) [system] _757920=[_proof2, _proof3, _proof4, _proof5]
   Exit: (199) [system] [_proof2, _proof3, _proof4, _proof5]=[_proof2, _proof3, _proof4, _proof5]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_proof2, _proof3, _proof4, _proof5])
   Call: (198) [system] _576056=[_proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4, _proof5]=[_proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof1, _proof2, _proof3, _proof4, _proof5])
   Call: (197) [system] _385834=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1529314)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1531172)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1538910)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1541614)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1556692)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1562262)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1564120)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1578274)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _1562262)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1595916)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1596850)
   Exit: (199) [system] peek_char((0x558d99e6bec0), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Fail: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1601570, v('(', ')', end_of_file), c)
   Fail: (200) [system] arg(_1602502, v('(', ')', end_of_file), c)
^  Fail: (199) [user] is_delimiter(c)
   Call: (199) [system] ')'==c
   Fail: (199) [system] ')'==c
   Call: (199) [system] get_char((0x558d99e6bec0), c)
   Exit: (199) [system] get_char((0x558d99e6bec0), c)
   Call: (199) [system] c=(\)
   Fail: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1609852)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1610786)
   Exit: (200) [system] peek_char((0x558d99e6bec0), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Fail: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1615506, v('(', ')', end_of_file), o)
   Fail: (201) [system] arg(_1616438, v('(', ')', end_of_file), o)
^  Fail: (200) [user] is_delimiter(o)
   Call: (200) [system] ')'==o
   Fail: (200) [system] ')'==o
   Call: (200) [system] get_char((0x558d99e6bec0), o)
   Exit: (200) [system] get_char((0x558d99e6bec0), o)
   Call: (200) [system] o=(\)
   Fail: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1623788)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1624722)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1629442, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1630374, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1637724)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1638658)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1643378, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_1644310, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1651660)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1652594)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1657314, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1658246, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1665596)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1666530)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1671250, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1672182, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1679532)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1680466)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1685186, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_1686118, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1693468)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1694402)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1699122, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1700054, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1707404)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1708338)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1713058, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1713990, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1721340)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1722274)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1726994, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1727926, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1735276)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1736210)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1740930, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1735276=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1721340=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (207) [system] _1707404=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (206) [system] _1693468=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (205) [system] _1679532=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, o, n])
   Call: (204) [system] _1665596=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, i, o, n])
   Call: (203) [system] _1651660=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, u, s, i, o, n])
   Call: (202) [system] _1637724=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, l, u, s, i, o, n])
   Call: (201) [system] _1623788=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1609852=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1595916=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1562262)
   Call: (199) [system] atom_chars(_1775306, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _conclusion)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1779970)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1781828)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1795982)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1799772)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1779970=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1529314=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_conclusion])
   Call: (195) [system] _352886=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
   Call: (194) [system] _260182=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1813654)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1815512)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1823250)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1825954)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1841032)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1846602)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1848460)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1862614)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1846602)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1880256)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1881190)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1885910, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1886842, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1894192)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1895126)
   Exit: (197) [system] peek_char((0x558d99e6bec0), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Fail: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1899846, v('(', ')', end_of_file), u)
   Fail: (198) [system] arg(_1900778, v('(', ')', end_of_file), u)
^  Fail: (197) [user] is_delimiter(u)
   Call: (197) [system] ')'==u
   Fail: (197) [system] ')'==u
   Call: (197) [system] get_char((0x558d99e6bec0), u)
   Exit: (197) [system] get_char((0x558d99e6bec0), u)
   Call: (197) [system] u=(\)
   Fail: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1908128)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1909062)
   Exit: (198) [system] peek_char((0x558d99e6bec0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1913782, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1914714, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x558d99e6bec0), e)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1922064)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1922998)
   Exit: (199) [system] peek_char((0x558d99e6bec0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1927718, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_1928650, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x558d99e6bec0), r)
   Exit: (199) [system] get_char((0x558d99e6bec0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1936000)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1936934)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1941654, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_1942586, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1949936)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1950870)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1955590, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1949936=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1936000=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (199) [system] _1922064=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (198) [system] _1908128=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (197) [system] _1894192=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (196) [system] _1880256=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1846602)
   Call: (196) [system] atom_chars(_1975996, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1980660)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1982518)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1996672)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _2000462)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1980660=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1813654=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (192) [system] _218876=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _2011550)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _2013408)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x558d99e6bec0), _2023002)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2025706)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _2033444)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2036148)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _2043886)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2046590)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _2054328)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2057032)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _2064770)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2067474)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _2075212)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2077916)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _2085654)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2088358)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _2096096)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _5498)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _13236)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _15940)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _23678)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _26382)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _34120)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _36824)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _61142)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _66712)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _68570)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _82724)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _66712)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _88294)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _102448)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _108018)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _109876)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _124030)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _108018)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _129600)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _143754)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _149324)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _151182)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _165336)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _149324)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182978)
   Call: (198) [system] peek_char((0x558d99e6bec0), _183912)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _182978=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _149324)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_193222, _193224), once(user:catch(read_from_chars([:], _149324), _193198, fail)), '$restore_trace'(_193222, _193224))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_193222, _193224))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _193198, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _200722)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _202580)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _210318)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _213022)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228100)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _233670)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _235528)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _249682)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _233670)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _267324)
   Call: (199) [system] peek_char((0x558d99e6bec0), _268258)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_272978, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_273910, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _281260)
   Call: (200) [system] peek_char((0x558d99e6bec0), _282194)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_286914, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_287846, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _295196)
   Call: (201) [system] peek_char((0x558d99e6bec0), _296130)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_300850, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_301782, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _309132)
   Call: (202) [system] peek_char((0x558d99e6bec0), _310066)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_314786, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_315718, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _323068)
   Call: (203) [system] peek_char((0x558d99e6bec0), _324002)
   Exit: (203) [system] peek_char((0x558d99e6bec0), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Fail: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_328722, v('(', ')', end_of_file), f)
   Fail: (204) [system] arg(_329654, v('(', ')', end_of_file), f)
^  Fail: (203) [user] is_delimiter(f)
   Call: (203) [system] ')'==f
   Fail: (203) [system] ')'==f
   Call: (203) [system] get_char((0x558d99e6bec0), f)
   Exit: (203) [system] get_char((0x558d99e6bec0), f)
   Call: (203) [system] f=(\)
   Fail: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _337004)
   Call: (204) [system] peek_char((0x558d99e6bec0), _337938)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Fail: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_342658, v('(', ')', end_of_file), '1')
   Fail: (205) [system] arg(_343590, v('(', ')', end_of_file), '1')
^  Fail: (204) [user] is_delimiter('1')
   Call: (204) [system] ')'=='1'
   Fail: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x558d99e6bec0), '1')
   Exit: (204) [system] get_char((0x558d99e6bec0), '1')
   Call: (204) [system] '1'=(\)
   Fail: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _350940)
   Call: (205) [system] peek_char((0x558d99e6bec0), _351874)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _350940=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _337004=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (203) [system] _323068=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (202) [system] _309132=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (201) [system] _295196=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (200) [system] _281260=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (199) [system] _267324=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _233670)
   Call: (199) [system] atom_chars(_377922, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _382586)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _384444)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _392182)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _394886)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _409964)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _415534)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _417392)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _431546)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _415534)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _449188)
   Call: (200) [system] peek_char((0x558d99e6bec0), _450122)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_454842, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_455774, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _463124)
   Call: (201) [system] peek_char((0x558d99e6bec0), _464058)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_468778, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_469710, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _477060)
   Call: (202) [system] peek_char((0x558d99e6bec0), _477994)
   Exit: (202) [system] peek_char((0x558d99e6bec0), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Fail: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_482714, v('(', ')', end_of_file), e)
   Fail: (203) [system] arg(_483646, v('(', ')', end_of_file), e)
^  Fail: (202) [user] is_delimiter(e)
   Call: (202) [system] ')'==e
   Fail: (202) [system] ')'==e
   Call: (202) [system] get_char((0x558d99e6bec0), e)
   Exit: (202) [system] get_char((0x558d99e6bec0), e)
   Call: (202) [system] e=(\)
   Fail: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _490996)
   Call: (203) [system] peek_char((0x558d99e6bec0), _491930)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_496650, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_497582, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _504932)
   Call: (204) [system] peek_char((0x558d99e6bec0), _505866)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_510586, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_511518, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _518868)
   Call: (205) [system] peek_char((0x558d99e6bec0), _519802)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_524522, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_525454, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _532804)
   Call: (206) [system] peek_char((0x558d99e6bec0), _533738)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_538458, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_539390, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _546740)
   Call: (207) [system] peek_char((0x558d99e6bec0), _547674)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Fail: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_552394, v('(', ')', end_of_file), '1')
   Fail: (208) [system] arg(_553326, v('(', ')', end_of_file), '1')
^  Fail: (207) [user] is_delimiter('1')
   Call: (207) [system] ')'=='1'
   Fail: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x558d99e6bec0), '1')
   Exit: (207) [system] get_char((0x558d99e6bec0), '1')
   Call: (207) [system] '1'=(\)
   Fail: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _560676)
   Call: (208) [system] peek_char((0x558d99e6bec0), _561610)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_566330, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _560676=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _546740=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (206) [system] _532804=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (205) [system] _518868=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (204) [system] _504932=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (203) [system] _490996=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (202) [system] _477060=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (201) [system] _463124=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _449188=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _415534)
   Call: (200) [system] atom_chars(_595118, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _599782)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _601640)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _615794)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _619584)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _599782=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _382586=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (196) [system] _200722=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (195) [system] _108018=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _633466)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _635324)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _643062)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _645766)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _660844)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _666414)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _668272)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _682426)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _666414)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _687996)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=(;)
   Fail: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Fail: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Fail: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Fail: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
   Fail: (198) [system] char_type(s, cntrl)
^  Fail: (197) [user] is_like_space(s)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _702150)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
   Call: (196) [system] s=')'
   Fail: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
   Fail: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _707720)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _709578)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _723732)
   Exit: (197) [system] get_char((0x558d99e6bec0), s)
   Call: (197) [system] s='('
   Fail: (197) [system] s='('
   Call: (197) [system] s='['
   Fail: (197) [system] s='['
   Call: (197) [system] s='{'
   Fail: (197) [system] s='{'
   Call: (197) [system] s='"'
   Fail: (197) [system] s='"'
   Call: (197) [system] s=!
   Fail: (197) [system] s=!
   Call: (197) [system] s='\''
   Fail: (197) [system] s='\''
   Call: (197) [system] s='`'
   Fail: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, _707720)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _741374)
   Call: (199) [system] peek_char((0x558d99e6bec0), _742308)
   Exit: (199) [system] peek_char((0x558d99e6bec0), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Fail: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_747028, v('(', ')', end_of_file), y)
   Fail: (200) [system] arg(_747960, v('(', ')', end_of_file), y)
^  Fail: (199) [user] is_delimiter(y)
   Call: (199) [system] ')'==y
   Fail: (199) [system] ')'==y
   Call: (199) [system] get_char((0x558d99e6bec0), y)
   Exit: (199) [system] get_char((0x558d99e6bec0), y)
   Call: (199) [system] y=(\)
   Fail: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _755310)
   Call: (200) [system] peek_char((0x558d99e6bec0), _756244)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_760964, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_761896, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _769246)
   Call: (201) [system] peek_char((0x558d99e6bec0), _770180)
   Exit: (201) [system] peek_char((0x558d99e6bec0), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Fail: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_774900, v('(', ')', end_of_file), t)
   Fail: (202) [system] arg(_775832, v('(', ')', end_of_file), t)
^  Fail: (201) [user] is_delimiter(t)
   Call: (201) [system] ')'==t
   Fail: (201) [system] ')'==t
   Call: (201) [system] get_char((0x558d99e6bec0), t)
   Exit: (201) [system] get_char((0x558d99e6bec0), t)
   Call: (201) [system] t=(\)
   Fail: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _783182)
   Call: (202) [system] peek_char((0x558d99e6bec0), _784116)
   Exit: (202) [system] peek_char((0x558d99e6bec0), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Fail: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_788836, v('(', ')', end_of_file), h)
   Fail: (203) [system] arg(_789768, v('(', ')', end_of_file), h)
^  Fail: (202) [user] is_delimiter(h)
   Call: (202) [system] ')'==h
   Fail: (202) [system] ')'==h
   Call: (202) [system] get_char((0x558d99e6bec0), h)
   Exit: (202) [system] get_char((0x558d99e6bec0), h)
   Call: (202) [system] h=(\)
   Fail: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _797118)
   Call: (203) [system] peek_char((0x558d99e6bec0), _798052)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_802772, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_803704, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _811054)
   Call: (204) [system] peek_char((0x558d99e6bec0), _811988)
   Exit: (204) [system] peek_char((0x558d99e6bec0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_816708, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_817640, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x558d99e6bec0), s)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _824990)
   Call: (205) [system] peek_char((0x558d99e6bec0), _825924)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_830644, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_831576, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _838926)
   Call: (206) [system] peek_char((0x558d99e6bec0), _839860)
   Exit: (206) [system] peek_char((0x558d99e6bec0), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Fail: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_844580, v('(', ')', end_of_file), z)
   Fail: (207) [system] arg(_845512, v('(', ')', end_of_file), z)
^  Fail: (206) [user] is_delimiter(z)
   Call: (206) [system] ')'==z
   Fail: (206) [system] ')'==z
   Call: (206) [system] get_char((0x558d99e6bec0), z)
   Exit: (206) [system] get_char((0x558d99e6bec0), z)
   Call: (206) [system] z=(\)
   Fail: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _852862)
   Call: (207) [system] peek_char((0x558d99e6bec0), _853796)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_858516, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_859448, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _866798)
   Call: (208) [system] peek_char((0x558d99e6bec0), _867732)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _866798=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _852862=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _838926=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (205) [system] _824990=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (204) [system] _811054=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (203) [system] _797118=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (202) [system] _783182=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (201) [system] _769246=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (200) [system] _755310=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _741374=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _707720)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_902188, _902190), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _707720), _902164, fail)), '$restore_trace'(_902188, _902190))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_902188, _902190))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _902164, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _909688)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _911546)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _919284)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _921988)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _937066)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _942636)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _944494)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _958648)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _942636)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _964218)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _978372)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _983942)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _985800)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _999954)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _983942)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1017596)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1018530)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1017596=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _983942)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1027840, _1027842), once(user:catch(read_from_chars([:], _983942), _1027816, fail)), '$restore_trace'(_1027840, _1027842))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1027840, _1027842))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1027816, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1035340)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1037198)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1044936)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1047640)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1062718)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1068288)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1070146)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1084300)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1068288)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1101942)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1102876)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1107596, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1108528, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1115878)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1116812)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1121532, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1122464, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1129814)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1130748)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1135468, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1136400, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1143750)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1144684)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1149404, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1150336, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1157686)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1158620)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1163340, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1164272, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1171622)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1172556)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Fail: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1177276, v('(', ')', end_of_file), '1')
   Fail: (209) [system] arg(_1178208, v('(', ')', end_of_file), '1')
^  Fail: (208) [user] is_delimiter('1')
   Call: (208) [system] ')'=='1'
   Fail: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x558d99e6bec0), '1')
   Exit: (208) [system] get_char((0x558d99e6bec0), '1')
   Call: (208) [system] '1'=(\)
   Fail: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1185558)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1186492)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1185558=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1171622=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (207) [system] _1157686=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '1'])
   Call: (206) [system] _1143750=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '1'])
   Call: (205) [system] _1129814=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '1'])
   Call: (204) [system] _1115878=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '1'])
   Call: (203) [system] _1101942=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1068288)
   Call: (203) [system] atom_chars(_1212540, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof1)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1217204)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1219062)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1226800)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1229504)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1244582)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1250152)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1252010)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1266164)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1250152)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1283806)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1284740)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1289460, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1290392, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1297742)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1298676)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1303396, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1304328, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1311678)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1312612)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1317332, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_1318264, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1325614)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1326548)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1331268, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_1332200, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1339550)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1340484)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1345204, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1346136, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1353486)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1354420)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1359140, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1360072, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1367422)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1368356)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1373076, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1374008, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1381358)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1382292)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Fail: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1387012, v('(', ')', end_of_file), '1')
   Fail: (212) [system] arg(_1387944, v('(', ')', end_of_file), '1')
^  Fail: (211) [user] is_delimiter('1')
   Call: (211) [system] ')'=='1'
   Fail: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x558d99e6bec0), '1')
   Exit: (211) [system] get_char((0x558d99e6bec0), '1')
   Call: (211) [system] '1'=(\)
   Fail: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1395294)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1396228)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1400948, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1395294=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1381358=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['1'])
   Call: (210) [system] _1367422=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '1'])
   Call: (209) [system] _1353486=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '1'])
   Call: (208) [system] _1339550=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '1'])
   Call: (207) [system] _1325614=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '1'])
   Call: (206) [system] _1311678=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '1'])
   Call: (205) [system] _1297742=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1283806=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1250152)
   Call: (204) [system] atom_chars(_1429736, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise1)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1434400)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1436258)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1450412)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1454202)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1434400=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1217204=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise1])
   Call: (200) [system] _1035340=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof1, _premise1])
   Call: (199) [system] _942636=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1468084)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1469942)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1477680)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1480384)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1495462)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1501032)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1502890)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1517044)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _1501032)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1534686)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1535620)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1540340, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1541272, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1548622)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1549556)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1554276, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1555208, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1562558)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1563492)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1562558=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1548622=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (201) [system] _1534686=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _1501032)
   Call: (201) [system] atom_chars(_1578364, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1583028)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1584886)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1592624)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1595328)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1610406)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1615976)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1617834)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1631988)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1615976)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1649630)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1650564)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1655284, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1656216, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1663566)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1664500)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1669220, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1670152, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1677502)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1678436)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1677502=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1663566=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _1649630=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _1615976)
   Call: (202) [system] atom_chars(_1693308, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1697972)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1699830)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1707568)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1710272)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1725350)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1730920)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1732778)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1746932)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1730920)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1764574)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1765508)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1770228, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1771160, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1778510)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1779444)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1784164, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1778510=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1764574=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _1730920)
   Call: (203) [system] atom_chars(_1793394, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1798058)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1799916)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1814070)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1817860)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1798058=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1697972=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (199) [system] _1583028=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (198) [system] _1468084=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (197) [system] _909688=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _666414=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1837330)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1839188)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1853342)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1857132)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1837330=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _633466=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _66712=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1868220)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1870078)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _1879672)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1882376)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1890114)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1892818)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1900556)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1903260)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1910998)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1913702)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1921440)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1924144)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1931882)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1934586)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1942324)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1945028)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1952766)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1955470)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1963208)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1965912)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1973650)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1976354)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1984092)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1986796)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _2011114)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _2016684)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2018542)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _2032696)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _2016684)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2038266)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2052420)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _2057990)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2059848)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _2074002)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _2057990)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2079572)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2093726)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _6294)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _8152)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _22306)
   Exit: (197) [system] get_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, _6294)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _39948)
   Call: (199) [system] peek_char((0x558d99e6bec0), _40882)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _39948=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _6294)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_50192, _50194), once(user:catch(read_from_chars([:], _6294), _50168, fail)), '$restore_trace'(_50192, _50194))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_50192, _50194))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _50168, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _57692)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _59550)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _67288)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _69992)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _85070)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _90640)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _92498)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _106652)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _90640)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _124294)
   Call: (200) [system] peek_char((0x558d99e6bec0), _125228)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_129948, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_130880, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _138230)
   Call: (201) [system] peek_char((0x558d99e6bec0), _139164)
   Exit: (201) [system] peek_char((0x558d99e6bec0), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Fail: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_143884, v('(', ')', end_of_file), r)
   Fail: (202) [system] arg(_144816, v('(', ')', end_of_file), r)
^  Fail: (201) [user] is_delimiter(r)
   Call: (201) [system] ')'==r
   Fail: (201) [system] ')'==r
   Call: (201) [system] get_char((0x558d99e6bec0), r)
   Exit: (201) [system] get_char((0x558d99e6bec0), r)
   Call: (201) [system] r=(\)
   Fail: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _152166)
   Call: (202) [system] peek_char((0x558d99e6bec0), _153100)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_157820, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_158752, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _166102)
   Call: (203) [system] peek_char((0x558d99e6bec0), _167036)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_171756, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_172688, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180038)
   Call: (204) [system] peek_char((0x558d99e6bec0), _180972)
   Exit: (204) [system] peek_char((0x558d99e6bec0), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Fail: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_185692, v('(', ')', end_of_file), f)
   Fail: (205) [system] arg(_186624, v('(', ')', end_of_file), f)
^  Fail: (204) [user] is_delimiter(f)
   Call: (204) [system] ')'==f
   Fail: (204) [system] ')'==f
   Call: (204) [system] get_char((0x558d99e6bec0), f)
   Exit: (204) [system] get_char((0x558d99e6bec0), f)
   Call: (204) [system] f=(\)
   Fail: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _193974)
   Call: (205) [system] peek_char((0x558d99e6bec0), _194908)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Fail: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_199628, v('(', ')', end_of_file), '2')
   Fail: (206) [system] arg(_200560, v('(', ')', end_of_file), '2')
^  Fail: (205) [user] is_delimiter('2')
   Call: (205) [system] ')'=='2'
   Fail: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x558d99e6bec0), '2')
   Exit: (205) [system] get_char((0x558d99e6bec0), '2')
   Call: (205) [system] '2'=(\)
   Fail: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _207910)
   Call: (206) [system] peek_char((0x558d99e6bec0), _208844)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _207910=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _193974=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (204) [system] _180038=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (203) [system] _166102=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (202) [system] _152166=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (201) [system] _138230=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (200) [system] _124294=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _90640)
   Call: (200) [system] atom_chars(_234892, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _239556)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _241414)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _249152)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _251856)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _266934)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _272504)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _274362)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _288516)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _272504)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _306158)
   Call: (201) [system] peek_char((0x558d99e6bec0), _307092)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_311812, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_312744, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _320094)
   Call: (202) [system] peek_char((0x558d99e6bec0), _321028)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_325748, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_326680, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _334030)
   Call: (203) [system] peek_char((0x558d99e6bec0), _334964)
   Exit: (203) [system] peek_char((0x558d99e6bec0), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Fail: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_339684, v('(', ')', end_of_file), e)
   Fail: (204) [system] arg(_340616, v('(', ')', end_of_file), e)
^  Fail: (203) [user] is_delimiter(e)
   Call: (203) [system] ')'==e
   Fail: (203) [system] ')'==e
   Call: (203) [system] get_char((0x558d99e6bec0), e)
   Exit: (203) [system] get_char((0x558d99e6bec0), e)
   Call: (203) [system] e=(\)
   Fail: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _347966)
   Call: (204) [system] peek_char((0x558d99e6bec0), _348900)
   Exit: (204) [system] peek_char((0x558d99e6bec0), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Fail: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_353620, v('(', ')', end_of_file), m)
   Fail: (205) [system] arg(_354552, v('(', ')', end_of_file), m)
^  Fail: (204) [user] is_delimiter(m)
   Call: (204) [system] ')'==m
   Fail: (204) [system] ')'==m
   Call: (204) [system] get_char((0x558d99e6bec0), m)
   Exit: (204) [system] get_char((0x558d99e6bec0), m)
   Call: (204) [system] m=(\)
   Fail: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _361902)
   Call: (205) [system] peek_char((0x558d99e6bec0), _362836)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_367556, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_368488, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _375838)
   Call: (206) [system] peek_char((0x558d99e6bec0), _376772)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_381492, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_382424, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _389774)
   Call: (207) [system] peek_char((0x558d99e6bec0), _390708)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_395428, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_396360, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _403710)
   Call: (208) [system] peek_char((0x558d99e6bec0), _404644)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Fail: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_409364, v('(', ')', end_of_file), '2')
   Fail: (209) [system] arg(_410296, v('(', ')', end_of_file), '2')
^  Fail: (208) [user] is_delimiter('2')
   Call: (208) [system] ')'=='2'
   Fail: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x558d99e6bec0), '2')
   Exit: (208) [system] get_char((0x558d99e6bec0), '2')
   Call: (208) [system] '2'=(\)
   Fail: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _417646)
   Call: (209) [system] peek_char((0x558d99e6bec0), _418580)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_423300, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _417646=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _403710=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (207) [system] _389774=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (206) [system] _375838=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (205) [system] _361902=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (204) [system] _347966=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (203) [system] _334030=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (202) [system] _320094=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _306158=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _272504)
   Call: (201) [system] atom_chars(_452088, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _456752)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _458610)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _472764)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _476554)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _456752=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _239556=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (197) [system] _57692=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (196) [system] _3786=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _490436)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _492294)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _500032)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _502736)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _517814)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _523384)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _525242)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _539396)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _523384)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _544966)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=(;)
   Fail: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Fail: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Fail: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Fail: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
   Fail: (199) [system] char_type(s, cntrl)
^  Fail: (198) [user] is_like_space(s)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _559120)
   Exit: (197) [system] peek_char((0x558d99e6bec0), s)
   Call: (197) [system] s=')'
   Fail: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
   Fail: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _564690)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _566548)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _580702)
   Exit: (198) [system] get_char((0x558d99e6bec0), s)
   Call: (198) [system] s='('
   Fail: (198) [system] s='('
   Call: (198) [system] s='['
   Fail: (198) [system] s='['
   Call: (198) [system] s='{'
   Fail: (198) [system] s='{'
   Call: (198) [system] s='"'
   Fail: (198) [system] s='"'
   Call: (198) [system] s=!
   Fail: (198) [system] s=!
   Call: (198) [system] s='\''
   Fail: (198) [system] s='\''
   Call: (198) [system] s='`'
   Fail: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, _564690)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _598344)
   Call: (200) [system] peek_char((0x558d99e6bec0), _599278)
   Exit: (200) [system] peek_char((0x558d99e6bec0), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Fail: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_603998, v('(', ')', end_of_file), y)
   Fail: (201) [system] arg(_604930, v('(', ')', end_of_file), y)
^  Fail: (200) [user] is_delimiter(y)
   Call: (200) [system] ')'==y
   Fail: (200) [system] ')'==y
   Call: (200) [system] get_char((0x558d99e6bec0), y)
   Exit: (200) [system] get_char((0x558d99e6bec0), y)
   Call: (200) [system] y=(\)
   Fail: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _612280)
   Call: (201) [system] peek_char((0x558d99e6bec0), _613214)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_617934, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_618866, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _626216)
   Call: (202) [system] peek_char((0x558d99e6bec0), _627150)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_631870, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_632802, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640152)
   Call: (203) [system] peek_char((0x558d99e6bec0), _641086)
   Exit: (203) [system] peek_char((0x558d99e6bec0), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Fail: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_645806, v('(', ')', end_of_file), h)
   Fail: (204) [system] arg(_646738, v('(', ')', end_of_file), h)
^  Fail: (203) [user] is_delimiter(h)
   Call: (203) [system] ')'==h
   Fail: (203) [system] ')'==h
   Call: (203) [system] get_char((0x558d99e6bec0), h)
   Exit: (203) [system] get_char((0x558d99e6bec0), h)
   Call: (203) [system] h=(\)
   Fail: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654088)
   Call: (204) [system] peek_char((0x558d99e6bec0), _655022)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_659742, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_660674, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _668024)
   Call: (205) [system] peek_char((0x558d99e6bec0), _668958)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_673678, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_674610, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _681960)
   Call: (206) [system] peek_char((0x558d99e6bec0), _682894)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_687614, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_688546, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _695896)
   Call: (207) [system] peek_char((0x558d99e6bec0), _696830)
   Exit: (207) [system] peek_char((0x558d99e6bec0), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Fail: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_701550, v('(', ')', end_of_file), z)
   Fail: (208) [system] arg(_702482, v('(', ')', end_of_file), z)
^  Fail: (207) [user] is_delimiter(z)
   Call: (207) [system] ')'==z
   Fail: (207) [system] ')'==z
   Call: (207) [system] get_char((0x558d99e6bec0), z)
   Exit: (207) [system] get_char((0x558d99e6bec0), z)
   Call: (207) [system] z=(\)
   Fail: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _709832)
   Call: (208) [system] peek_char((0x558d99e6bec0), _710766)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_715486, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_716418, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _723768)
   Call: (209) [system] peek_char((0x558d99e6bec0), _724702)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _723768=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _709832=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (207) [system] _695896=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (206) [system] _681960=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (205) [system] _668024=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (204) [system] _654088=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (203) [system] _640152=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (202) [system] _626216=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (201) [system] _612280=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _598344=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _564690)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_759158, _759160), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _564690), _759134, fail)), '$restore_trace'(_759158, _759160))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_759158, _759160))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _759134, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _766658)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _768516)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _776254)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _778958)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _794036)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _799606)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _801464)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _815618)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _799606)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _821188)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _835342)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _840912)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _842770)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _856924)
   Exit: (201) [system] get_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, _840912)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _874566)
   Call: (203) [system] peek_char((0x558d99e6bec0), _875500)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _874566=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _840912)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_884810, _884812), once(user:catch(read_from_chars([:], _840912), _884786, fail)), '$restore_trace'(_884810, _884812))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_884810, _884812))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _884786, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _892310)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _894168)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _901906)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _904610)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _919688)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _925258)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _927116)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _941270)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _925258)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _958912)
   Call: (204) [system] peek_char((0x558d99e6bec0), _959846)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_964566, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_965498, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _972848)
   Call: (205) [system] peek_char((0x558d99e6bec0), _973782)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_978502, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_979434, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _986784)
   Call: (206) [system] peek_char((0x558d99e6bec0), _987718)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_992438, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_993370, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1000720)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1001654)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1006374, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_1007306, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1014656)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1015590)
   Exit: (208) [system] peek_char((0x558d99e6bec0), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Fail: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1020310, v('(', ')', end_of_file), f)
   Fail: (209) [system] arg(_1021242, v('(', ')', end_of_file), f)
^  Fail: (208) [user] is_delimiter(f)
   Call: (208) [system] ')'==f
   Fail: (208) [system] ')'==f
   Call: (208) [system] get_char((0x558d99e6bec0), f)
   Exit: (208) [system] get_char((0x558d99e6bec0), f)
   Call: (208) [system] f=(\)
   Fail: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028592)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1029526)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Fail: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1034246, v('(', ')', end_of_file), '2')
   Fail: (210) [system] arg(_1035178, v('(', ')', end_of_file), '2')
^  Fail: (209) [user] is_delimiter('2')
   Call: (209) [system] ')'=='2'
   Fail: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x558d99e6bec0), '2')
   Exit: (209) [system] get_char((0x558d99e6bec0), '2')
   Call: (209) [system] '2'=(\)
   Fail: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1042528)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1043462)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1042528=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1028592=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (208) [system] _1014656=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '2'])
   Call: (207) [system] _1000720=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '2'])
   Call: (206) [system] _986784=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '2'])
   Call: (205) [system] _972848=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '2'])
   Call: (204) [system] _958912=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _925258)
   Call: (204) [system] atom_chars(_1069510, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _proof2)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1074174)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1076032)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1083770)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1086474)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1101552)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1107122)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1108980)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1123134)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1107122)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1140776)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1141710)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1146430, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_1147362, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154712)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1155646)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1160366, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1161298, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168648)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1169582)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1174302, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1175234, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1182584)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1183518)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1188238, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1189170, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1196520)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1197454)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1202174, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1203106, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1210456)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1211390)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1216110, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1217042, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1224392)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1225326)
   Exit: (211) [system] peek_char((0x558d99e6bec0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1230046, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_1230978, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x558d99e6bec0), e)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1238328)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1239262)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Fail: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1243982, v('(', ')', end_of_file), '2')
   Fail: (213) [system] arg(_1244914, v('(', ')', end_of_file), '2')
^  Fail: (212) [user] is_delimiter('2')
   Call: (212) [system] ')'=='2'
   Fail: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x558d99e6bec0), '2')
   Exit: (212) [system] get_char((0x558d99e6bec0), '2')
   Call: (212) [system] '2'=(\)
   Fail: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1252264)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1253198)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1257918, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1252264=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1238328=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['2'])
   Call: (211) [system] _1224392=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '2'])
   Call: (210) [system] _1210456=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '2'])
   Call: (209) [system] _1196520=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '2'])
   Call: (208) [system] _1182584=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '2'])
   Call: (207) [system] _1168648=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '2'])
   Call: (206) [system] _1154712=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1140776=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _1107122)
   Call: (205) [system] atom_chars(_1286706, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _premise2)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1291370)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1293228)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1307382)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1311172)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1291370=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1074174=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_premise2])
   Call: (201) [system] _892310=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_proof2, _premise2])
   Call: (200) [system] _799606=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1325054)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1326912)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1334650)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1337354)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1352432)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1358002)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1359860)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1374014)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1358002)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391656)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1392590)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1397310, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1398242, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405592)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1406526)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1411246, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1412178, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419528)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1420462)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1419528=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1405592=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (202) [system] _1391656=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _1358002)
   Call: (202) [system] atom_chars(_1435334, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1439998)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1441856)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1449594)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1452298)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1467376)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1472946)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1474804)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1488958)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1472946)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1506600)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1507534)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1512254, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1513186, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1520536)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1521470)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1526190, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1527122, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1534472)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1535406)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1534472=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1520536=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _1506600=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _1472946)
   Call: (203) [system] atom_chars(_1550278, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1554942)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1556800)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1564538)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1567242)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1582320)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1587890)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1589748)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1603902)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1587890)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1621544)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1622478)
   Exit: (204) [system] peek_char((0x558d99e6bec0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1627198, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1628130, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x558d99e6bec0), k)
   Exit: (204) [system] get_char((0x558d99e6bec0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1635480)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1636414)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1641134, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1635480=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1621544=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _1587890)
   Call: (204) [system] atom_chars(_1650364, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1655028)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1656886)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1671040)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1674830)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1655028=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1554942=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (200) [system] _1439998=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (199) [system] _1325054=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (198) [system] _766658=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _523384=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1694300)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1696158)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1710312)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1714102)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1694300=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _490436=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3780=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1725190)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1727048)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x558d99e6bec0), _1736642)
   Exit: (194) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1739346)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1747084)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1749788)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1757526)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1760230)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1767968)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1770672)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1778410)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1781114)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1788852)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1791556)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1799294)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1801998)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1809736)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1812440)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1820178)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1822882)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1830620)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1833324)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1841062)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1843766)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1868084)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1873654)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1875512)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1889666)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1873654)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1895236)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1909390)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1914960)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1916818)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1930972)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1914960)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1936542)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1950696)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1956266)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1958124)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1972278)
   Exit: (198) [system] get_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, _1956266)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1989920)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1990854)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1989920=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1956266)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_2000164, _2000166), once(user:catch(read_from_chars([:], _1956266), _2000140, fail)), '$restore_trace'(_2000164, _2000166))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_2000164, _2000166))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2000140, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _2007664)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2009522)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _2017260)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2019964)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2035042)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=')'
   Fail: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _2040612)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2042470)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=(;)
   Fail: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Fail: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Fail: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Fail: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
   Fail: (201) [system] char_type($, cntrl)
^  Fail: (200) [user] is_like_space($)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _2056624)
   Exit: (199) [system] get_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)='('
   Fail: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Fail: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Fail: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Fail: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Fail: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Fail: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Fail: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _2040612)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2074266)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2075200)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2079920, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2080852, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2088202)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2089136)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2093856, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_2094788, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _9270)
   Call: (203) [system] peek_char((0x558d99e6bec0), _10204)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_14924, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_15856, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _23206)
   Call: (204) [system] peek_char((0x558d99e6bec0), _24140)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_28860, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_29792, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _37142)
   Call: (205) [system] peek_char((0x558d99e6bec0), _38076)
   Exit: (205) [system] peek_char((0x558d99e6bec0), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Fail: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_42796, v('(', ')', end_of_file), f)
   Fail: (206) [system] arg(_43728, v('(', ')', end_of_file), f)
^  Fail: (205) [user] is_delimiter(f)
   Call: (205) [system] ')'==f
   Fail: (205) [system] ')'==f
   Call: (205) [system] get_char((0x558d99e6bec0), f)
   Exit: (205) [system] get_char((0x558d99e6bec0), f)
   Call: (205) [system] f=(\)
   Fail: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _51078)
   Call: (206) [system] peek_char((0x558d99e6bec0), _52012)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Fail: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_56732, v('(', ')', end_of_file), '3')
   Fail: (207) [system] arg(_57664, v('(', ')', end_of_file), '3')
^  Fail: (206) [user] is_delimiter('3')
   Call: (206) [system] ')'=='3'
   Fail: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x558d99e6bec0), '3')
   Exit: (206) [system] get_char((0x558d99e6bec0), '3')
   Call: (206) [system] '3'=(\)
   Fail: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _65014)
   Call: (207) [system] peek_char((0x558d99e6bec0), _65948)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _65014=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _51078=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (205) [system] _37142=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (204) [system] _23206=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (203) [system] _9270=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (202) [system] _3918=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (201) [system] _3914=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _3910)
   Call: (201) [system] atom_chars(_91996, ['_', p, r, o, o, f, '3'])
   Exit: (201) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _96660)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _98518)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _106256)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _108960)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _124038)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _129608)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _131466)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _145620)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _129608)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _163262)
   Call: (202) [system] peek_char((0x558d99e6bec0), _164196)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_168916, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_169848, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _177198)
   Call: (203) [system] peek_char((0x558d99e6bec0), _178132)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_182852, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_183784, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _191134)
   Call: (204) [system] peek_char((0x558d99e6bec0), _192068)
   Exit: (204) [system] peek_char((0x558d99e6bec0), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Fail: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_196788, v('(', ')', end_of_file), e)
   Fail: (205) [system] arg(_197720, v('(', ')', end_of_file), e)
^  Fail: (204) [user] is_delimiter(e)
   Call: (204) [system] ')'==e
   Fail: (204) [system] ')'==e
   Call: (204) [system] get_char((0x558d99e6bec0), e)
   Exit: (204) [system] get_char((0x558d99e6bec0), e)
   Call: (204) [system] e=(\)
   Fail: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _205070)
   Call: (205) [system] peek_char((0x558d99e6bec0), _206004)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_210724, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_211656, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _219006)
   Call: (206) [system] peek_char((0x558d99e6bec0), _219940)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_224660, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_225592, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _232942)
   Call: (207) [system] peek_char((0x558d99e6bec0), _233876)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_238596, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_239528, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _246878)
   Call: (208) [system] peek_char((0x558d99e6bec0), _247812)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_252532, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_253464, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _260814)
   Call: (209) [system] peek_char((0x558d99e6bec0), _261748)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Fail: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_266468, v('(', ')', end_of_file), '3')
   Fail: (210) [system] arg(_267400, v('(', ')', end_of_file), '3')
^  Fail: (209) [user] is_delimiter('3')
   Call: (209) [system] ')'=='3'
   Fail: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x558d99e6bec0), '3')
   Exit: (209) [system] get_char((0x558d99e6bec0), '3')
   Call: (209) [system] '3'=(\)
   Fail: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _274750)
   Call: (210) [system] peek_char((0x558d99e6bec0), _275684)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_280404, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _274750=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _260814=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (208) [system] _246878=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (207) [system] _232942=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (206) [system] _219006=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (205) [system] _205070=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (204) [system] _191134=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (203) [system] _177198=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _163262=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _129608)
   Call: (202) [system] atom_chars(_309192, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (202) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _313856)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _315714)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _329868)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _333658)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _313856=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _96660=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_premise3])
   Call: (198) [system] _3906=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [_proof3, _premise3])
   Call: (197) [system] _3898=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _347540)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _349398)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _357136)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _359840)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _374918)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _380488)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _382346)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _396500)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _380488)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _402070)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(;)
   Fail: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Fail: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Fail: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
   Fail: (200) [system] char_type(s, cntrl)
^  Fail: (199) [user] is_like_space(s)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _416224)
   Exit: (198) [system] peek_char((0x558d99e6bec0), s)
   Call: (198) [system] s=')'
   Fail: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
   Fail: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _421794)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _423652)
   Exit: (200) [system] peek_char((0x558d99e6bec0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _437806)
   Exit: (199) [system] get_char((0x558d99e6bec0), s)
   Call: (199) [system] s='('
   Fail: (199) [system] s='('
   Call: (199) [system] s='['
   Fail: (199) [system] s='['
   Call: (199) [system] s='{'
   Fail: (199) [system] s='{'
   Call: (199) [system] s='"'
   Fail: (199) [system] s='"'
   Call: (199) [system] s=!
   Fail: (199) [system] s=!
   Call: (199) [system] s='\''
   Fail: (199) [system] s='\''
   Call: (199) [system] s='`'
   Fail: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), s, _421794)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _455448)
   Call: (201) [system] peek_char((0x558d99e6bec0), _456382)
   Exit: (201) [system] peek_char((0x558d99e6bec0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_461102, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_462034, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x558d99e6bec0), y)
   Exit: (201) [system] get_char((0x558d99e6bec0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _469384)
   Call: (202) [system] peek_char((0x558d99e6bec0), _470318)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_475038, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_475970, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _483320)
   Call: (203) [system] peek_char((0x558d99e6bec0), _484254)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_488974, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_489906, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497256)
   Call: (204) [system] peek_char((0x558d99e6bec0), _498190)
   Exit: (204) [system] peek_char((0x558d99e6bec0), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Fail: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_502910, v('(', ')', end_of_file), h)
   Fail: (205) [system] arg(_503842, v('(', ')', end_of_file), h)
^  Fail: (204) [user] is_delimiter(h)
   Call: (204) [system] ')'==h
   Fail: (204) [system] ')'==h
   Call: (204) [system] get_char((0x558d99e6bec0), h)
   Exit: (204) [system] get_char((0x558d99e6bec0), h)
   Call: (204) [system] h=(\)
   Fail: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _511192)
   Call: (205) [system] peek_char((0x558d99e6bec0), _512126)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_516846, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_517778, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _525128)
   Call: (206) [system] peek_char((0x558d99e6bec0), _526062)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_530782, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_531714, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _539064)
   Call: (207) [system] peek_char((0x558d99e6bec0), _539998)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_544718, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_545650, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _553000)
   Call: (208) [system] peek_char((0x558d99e6bec0), _553934)
   Exit: (208) [system] peek_char((0x558d99e6bec0), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Fail: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_558654, v('(', ')', end_of_file), z)
   Fail: (209) [system] arg(_559586, v('(', ')', end_of_file), z)
^  Fail: (208) [user] is_delimiter(z)
   Call: (208) [system] ')'==z
   Fail: (208) [system] ')'==z
   Call: (208) [system] get_char((0x558d99e6bec0), z)
   Exit: (208) [system] get_char((0x558d99e6bec0), z)
   Call: (208) [system] z=(\)
   Fail: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _566936)
   Call: (209) [system] peek_char((0x558d99e6bec0), _567870)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_572590, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_573522, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _580872)
   Call: (210) [system] peek_char((0x558d99e6bec0), _581806)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _580872=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _566936=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (208) [system] _553000=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (207) [system] _539064=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (206) [system] _525128=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (205) [system] _511192=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (204) [system] _497256=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (203) [system] _483320=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (202) [system] _469384=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _455448=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _421794)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_616262, _616264), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _421794), _616238, fail)), '$restore_trace'(_616262, _616264))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_616262, _616264))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _616238, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _623762)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _625620)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _633358)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _636062)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _651140)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _656710)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _658568)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _672722)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _656710)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _678292)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _692446)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _698016)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _699874)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _714028)
   Exit: (202) [system] get_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, _698016)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _731670)
   Call: (204) [system] peek_char((0x558d99e6bec0), _732604)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _731670=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _698016)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_741914, _741916), once(user:catch(read_from_chars([:], _698016), _741890, fail)), '$restore_trace'(_741914, _741916))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_741914, _741916))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _741890, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _749414)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _751272)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _759010)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _761714)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _776792)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _782362)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _784220)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _798374)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _782362)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _816016)
   Call: (205) [system] peek_char((0x558d99e6bec0), _816950)
   Exit: (205) [system] peek_char((0x558d99e6bec0), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Fail: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_821670, v('(', ')', end_of_file), p)
   Fail: (206) [system] arg(_822602, v('(', ')', end_of_file), p)
^  Fail: (205) [user] is_delimiter(p)
   Call: (205) [system] ')'==p
   Fail: (205) [system] ')'==p
   Call: (205) [system] get_char((0x558d99e6bec0), p)
   Exit: (205) [system] get_char((0x558d99e6bec0), p)
   Call: (205) [system] p=(\)
   Fail: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _829952)
   Call: (206) [system] peek_char((0x558d99e6bec0), _830886)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_835606, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_836538, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _843888)
   Call: (207) [system] peek_char((0x558d99e6bec0), _844822)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_849542, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_850474, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _857824)
   Call: (208) [system] peek_char((0x558d99e6bec0), _858758)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_863478, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_864410, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _871760)
   Call: (209) [system] peek_char((0x558d99e6bec0), _872694)
   Exit: (209) [system] peek_char((0x558d99e6bec0), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Fail: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_877414, v('(', ')', end_of_file), f)
   Fail: (210) [system] arg(_878346, v('(', ')', end_of_file), f)
^  Fail: (209) [user] is_delimiter(f)
   Call: (209) [system] ')'==f
   Fail: (209) [system] ')'==f
   Call: (209) [system] get_char((0x558d99e6bec0), f)
   Exit: (209) [system] get_char((0x558d99e6bec0), f)
   Call: (209) [system] f=(\)
   Fail: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _885696)
   Call: (210) [system] peek_char((0x558d99e6bec0), _886630)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Fail: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_891350, v('(', ')', end_of_file), '3')
   Fail: (211) [system] arg(_892282, v('(', ')', end_of_file), '3')
^  Fail: (210) [user] is_delimiter('3')
   Call: (210) [system] ')'=='3'
   Fail: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x558d99e6bec0), '3')
   Exit: (210) [system] get_char((0x558d99e6bec0), '3')
   Call: (210) [system] '3'=(\)
   Fail: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _899632)
   Call: (211) [system] peek_char((0x558d99e6bec0), _900566)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _899632=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _885696=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (209) [system] _871760=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '3'])
   Call: (208) [system] _857824=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '3'])
   Call: (207) [system] _843888=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '3'])
   Call: (206) [system] _829952=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '3'])
   Call: (205) [system] _816016=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _782362)
   Call: (205) [system] atom_chars(_926614, ['_', p, r, o, o, f, '3'])
   Exit: (205) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _proof3)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _931278)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _933136)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _940874)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _943578)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _958656)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _964226)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _966084)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _980238)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _964226)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _997880)
   Call: (206) [system] peek_char((0x558d99e6bec0), _998814)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1003534, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_1004466, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1011816)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1012750)
   Exit: (207) [system] peek_char((0x558d99e6bec0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1017470, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_1018402, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x558d99e6bec0), r)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1025752)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1026686)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1031406, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_1032338, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039688)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1040622)
   Exit: (209) [system] peek_char((0x558d99e6bec0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1045342, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_1046274, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x558d99e6bec0), m)
   Exit: (209) [system] get_char((0x558d99e6bec0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053624)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1054558)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1059278, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1060210, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1067560)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1068494)
   Exit: (211) [system] peek_char((0x558d99e6bec0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1073214, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1074146, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x558d99e6bec0), s)
   Exit: (211) [system] get_char((0x558d99e6bec0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1081496)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1082430)
   Exit: (212) [system] peek_char((0x558d99e6bec0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1087150, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1088082, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x558d99e6bec0), e)
   Exit: (212) [system] get_char((0x558d99e6bec0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1095432)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1096366)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Fail: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_1101086, v('(', ')', end_of_file), '3')
   Fail: (214) [system] arg(_1102018, v('(', ')', end_of_file), '3')
^  Fail: (213) [user] is_delimiter('3')
   Call: (213) [system] ')'=='3'
   Fail: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x558d99e6bec0), '3')
   Exit: (213) [system] get_char((0x558d99e6bec0), '3')
   Call: (213) [system] '3'=(\)
   Fail: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1109368)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1110302)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1115022, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1109368=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1095432=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['3'])
   Call: (212) [system] _1081496=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '3'])
   Call: (211) [system] _1067560=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '3'])
   Call: (210) [system] _1053624=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '3'])
   Call: (209) [system] _1039688=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '3'])
   Call: (208) [system] _1025752=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '3'])
   Call: (207) [system] _1011816=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _997880=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _964226)
   Call: (206) [system] atom_chars(_1143810, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (206) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _premise3)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1148474)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1150332)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1164486)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _1168276)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _1148474=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _931278=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_premise3])
   Call: (202) [system] _749414=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_proof3, _premise3])
   Call: (201) [system] _656710=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1182158)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1184016)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1191754)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1194458)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1209536)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1215106)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1216964)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1231118)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1215106)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1248760)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1249694)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1254414, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1255346, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1262696)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1263630)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1268350, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1269282, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1276632)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1277566)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1276632=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1262696=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (203) [system] _1248760=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (202) [user] classify_and_convert_charseq($, [k, b], _1215106)
   Call: (203) [system] atom_chars(_1292438, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1297102)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1298960)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1306698)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1309402)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1324480)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1330050)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1331908)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1346062)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1330050)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1363704)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1364638)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1369358, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1370290, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377640)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1378574)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1383294, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1384226, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391576)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1392510)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1391576=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1377640=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (204) [system] _1363704=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (203) [user] classify_and_convert_charseq($, [r, b], _1330050)
   Call: (204) [system] atom_chars(_1407382, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1412046)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1413904)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1421642)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1424346)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1439424)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1444994)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1446852)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1461006)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1444994)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1478648)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1479582)
   Exit: (205) [system] peek_char((0x558d99e6bec0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1484302, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_1485234, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x558d99e6bec0), k)
   Exit: (205) [system] get_char((0x558d99e6bec0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1492584)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1493518)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1498238, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1492584=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1478648=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (204) [user] classify_and_convert_charseq($, [k], _1444994)
   Call: (205) [system] atom_chars(_1507468, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1512132)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1513990)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1528144)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1531934)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1512132=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1412046=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (201) [system] _1297102=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (200) [system] _1182158=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (199) [system] _623762=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _380488=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1551404)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1553262)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1567416)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1571206)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1551404=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _347540=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3892=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1582294)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1584152)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x558d99e6bec0), _1593746)
   Exit: (195) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1596450)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1604188)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1606892)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1614630)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1617334)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1625072)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1627776)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1635514)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1638218)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1645956)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1648660)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1656398)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1659102)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1666840)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1669544)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1677282)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1679986)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1687724)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1690428)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1698166)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1700870)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1725188)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1730758)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1732616)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1746770)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1730758)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1752340)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1766494)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1772064)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1773922)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1788076)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1772064)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1793646)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1807800)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1813370)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1815228)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1829382)
   Exit: (199) [system] get_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, _1813370)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1847024)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1847958)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1847024=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _1813370)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1857268, _1857270), once(user:catch(read_from_chars([:], _1813370), _1857244, fail)), '$restore_trace'(_1857268, _1857270))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1857268, _1857270))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1857244, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1864768)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1866626)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1874364)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1877068)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1892146)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=')'
   Fail: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
   Fail: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1897716)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1899574)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=(;)
   Fail: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Fail: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Fail: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Fail: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
   Fail: (202) [system] char_type($, cntrl)
^  Fail: (201) [user] is_like_space($)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1913728)
   Exit: (200) [system] get_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)='('
   Fail: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Fail: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Fail: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Fail: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Fail: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Fail: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Fail: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _1897716)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1931370)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1932304)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1937024, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1937956, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1945306)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1946240)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1950960, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1951892, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1959242)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1960176)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1964896, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1965828, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1973178)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1974112)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1978832, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1979764, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1987114)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1988048)
   Exit: (206) [system] peek_char((0x558d99e6bec0), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Fail: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1992768, v('(', ')', end_of_file), f)
   Fail: (207) [system] arg(_1993700, v('(', ')', end_of_file), f)
^  Fail: (206) [user] is_delimiter(f)
   Call: (206) [system] ')'==f
   Fail: (206) [system] ')'==f
   Call: (206) [system] get_char((0x558d99e6bec0), f)
   Exit: (206) [system] get_char((0x558d99e6bec0), f)
   Call: (206) [system] f=(\)
   Fail: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2001050)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2001984)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Fail: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_2006704, v('(', ')', end_of_file), '4')
   Fail: (208) [system] arg(_2007636, v('(', ')', end_of_file), '4')
^  Fail: (207) [user] is_delimiter('4')
   Call: (207) [system] ')'=='4'
   Fail: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x558d99e6bec0), '4')
   Exit: (207) [system] get_char((0x558d99e6bec0), '4')
   Call: (207) [system] '4'=(\)
   Fail: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2014986)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2015920)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _2014986=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _2001050=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (206) [system] _1987114=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '4'])
   Call: (205) [system] _1973178=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '4'])
   Call: (204) [system] _1959242=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '4'])
   Call: (203) [system] _1945306=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '4'])
   Call: (202) [system] _1931370=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1897716)
   Call: (202) [system] atom_chars(_2041968, ['_', p, r, o, o, f, '4'])
   Exit: (202) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _proof4)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _2046632)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2048490)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _2056228)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2058932)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2074010)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _2079580)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2081438)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _2095592)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _4032)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _20484)
   Call: (203) [system] peek_char((0x558d99e6bec0), _21418)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_26138, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_27070, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _34420)
   Call: (204) [system] peek_char((0x558d99e6bec0), _35354)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_40074, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_41006, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _48356)
   Call: (205) [system] peek_char((0x558d99e6bec0), _49290)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_54010, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_54942, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _62292)
   Call: (206) [system] peek_char((0x558d99e6bec0), _63226)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_67946, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_68878, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _76228)
   Call: (207) [system] peek_char((0x558d99e6bec0), _77162)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_81882, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_82814, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _90164)
   Call: (208) [system] peek_char((0x558d99e6bec0), _91098)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_95818, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_96750, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _104100)
   Call: (209) [system] peek_char((0x558d99e6bec0), _105034)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_109754, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_110686, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _118036)
   Call: (210) [system] peek_char((0x558d99e6bec0), _118970)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Fail: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_123690, v('(', ')', end_of_file), '4')
   Fail: (211) [system] arg(_124622, v('(', ')', end_of_file), '4')
^  Fail: (210) [user] is_delimiter('4')
   Call: (210) [system] ')'=='4'
   Fail: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x558d99e6bec0), '4')
   Exit: (210) [system] get_char((0x558d99e6bec0), '4')
   Call: (210) [system] '4'=(\)
   Fail: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _131972)
   Call: (211) [system] peek_char((0x558d99e6bec0), _132906)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_137626, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _131972=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _118036=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (209) [system] _104100=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '4'])
   Call: (208) [system] _90164=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '4'])
   Call: (207) [system] _76228=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '4'])
   Call: (206) [system] _62292=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '4'])
   Call: (205) [system] _48356=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '4'])
   Call: (204) [system] _34420=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _20484=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _4032)
   Call: (203) [system] atom_chars(_166414, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (203) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _premise4)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _171078)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _172936)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _187090)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _190880)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _171078=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _4028=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_premise4])
   Call: (199) [system] _4018=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [_proof4, _premise4])
   Call: (198) [system] _4010=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _204762)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _206620)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _214358)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _217062)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _232140)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _237710)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _239568)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _253722)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _237710)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _259292)
   Exit: (200) [system] peek_char((0x558d99e6bec0), s)
   Call: (200) [system] s=(;)
   Fail: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Fail: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Fail: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Fail: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
   Fail: (201) [system] char_type(s, cntrl)
^  Fail: (200) [user] is_like_space(s)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _273446)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
   Call: (199) [system] s=')'
   Fail: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
   Fail: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _279016)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _280874)
   Exit: (201) [system] peek_char((0x558d99e6bec0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _295028)
   Exit: (200) [system] get_char((0x558d99e6bec0), s)
   Call: (200) [system] s='('
   Fail: (200) [system] s='('
   Call: (200) [system] s='['
   Fail: (200) [system] s='['
   Call: (200) [system] s='{'
   Fail: (200) [system] s='{'
   Call: (200) [system] s='"'
   Fail: (200) [system] s='"'
   Call: (200) [system] s=!
   Fail: (200) [system] s=!
   Call: (200) [system] s='\''
   Fail: (200) [system] s='\''
   Call: (200) [system] s='`'
   Fail: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), s, _279016)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _312670)
   Call: (202) [system] peek_char((0x558d99e6bec0), _313604)
   Exit: (202) [system] peek_char((0x558d99e6bec0), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Fail: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_318324, v('(', ')', end_of_file), y)
   Fail: (203) [system] arg(_319256, v('(', ')', end_of_file), y)
^  Fail: (202) [user] is_delimiter(y)
   Call: (202) [system] ')'==y
   Fail: (202) [system] ')'==y
   Call: (202) [system] get_char((0x558d99e6bec0), y)
   Exit: (202) [system] get_char((0x558d99e6bec0), y)
   Call: (202) [system] y=(\)
   Fail: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _326606)
   Call: (203) [system] peek_char((0x558d99e6bec0), _327540)
   Exit: (203) [system] peek_char((0x558d99e6bec0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_332260, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_333192, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x558d99e6bec0), n)
   Exit: (203) [system] get_char((0x558d99e6bec0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _340542)
   Call: (204) [system] peek_char((0x558d99e6bec0), _341476)
   Exit: (204) [system] peek_char((0x558d99e6bec0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_346196, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_347128, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x558d99e6bec0), t)
   Exit: (204) [system] get_char((0x558d99e6bec0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _354478)
   Call: (205) [system] peek_char((0x558d99e6bec0), _355412)
   Exit: (205) [system] peek_char((0x558d99e6bec0), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Fail: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_360132, v('(', ')', end_of_file), h)
   Fail: (206) [system] arg(_361064, v('(', ')', end_of_file), h)
^  Fail: (205) [user] is_delimiter(h)
   Call: (205) [system] ')'==h
   Fail: (205) [system] ')'==h
   Call: (205) [system] get_char((0x558d99e6bec0), h)
   Exit: (205) [system] get_char((0x558d99e6bec0), h)
   Call: (205) [system] h=(\)
   Fail: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _368414)
   Call: (206) [system] peek_char((0x558d99e6bec0), _369348)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_374068, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_375000, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _382350)
   Call: (207) [system] peek_char((0x558d99e6bec0), _383284)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_388004, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_388936, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _396286)
   Call: (208) [system] peek_char((0x558d99e6bec0), _397220)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_401940, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_402872, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _410222)
   Call: (209) [system] peek_char((0x558d99e6bec0), _411156)
   Exit: (209) [system] peek_char((0x558d99e6bec0), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Fail: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_415876, v('(', ')', end_of_file), z)
   Fail: (210) [system] arg(_416808, v('(', ')', end_of_file), z)
^  Fail: (209) [user] is_delimiter(z)
   Call: (209) [system] ')'==z
   Fail: (209) [system] ')'==z
   Call: (209) [system] get_char((0x558d99e6bec0), z)
   Exit: (209) [system] get_char((0x558d99e6bec0), z)
   Call: (209) [system] z=(\)
   Fail: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _424158)
   Call: (210) [system] peek_char((0x558d99e6bec0), _425092)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_429812, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_430744, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _438094)
   Call: (211) [system] peek_char((0x558d99e6bec0), _439028)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _438094=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _424158=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (209) [system] _410222=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (208) [system] _396286=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (207) [system] _382350=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (206) [system] _368414=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (205) [system] _354478=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (204) [system] _340542=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (203) [system] _326606=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _312670=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _279016)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_473484, _473486), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _279016), _473460, fail)), '$restore_trace'(_473484, _473486))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_473484, _473486))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _473460, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _480984)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _482842)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _490580)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _493284)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _508362)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _513932)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _515790)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _529944)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _513932)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _535514)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _549668)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _555238)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _557096)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _571250)
   Exit: (203) [system] get_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, _555238)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _588892)
   Call: (205) [system] peek_char((0x558d99e6bec0), _589826)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _588892=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _555238)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_599136, _599138), once(user:catch(read_from_chars([:], _555238), _599112, fail)), '$restore_trace'(_599136, _599138))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_599136, _599138))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _599112, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _606636)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _608494)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _616232)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _618936)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _634014)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _639584)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _641442)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _655596)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _639584)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _673238)
   Call: (206) [system] peek_char((0x558d99e6bec0), _674172)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_678892, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_679824, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _687174)
   Call: (207) [system] peek_char((0x558d99e6bec0), _688108)
   Exit: (207) [system] peek_char((0x558d99e6bec0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_692828, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_693760, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x558d99e6bec0), r)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _701110)
   Call: (208) [system] peek_char((0x558d99e6bec0), _702044)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_706764, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_707696, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _715046)
   Call: (209) [system] peek_char((0x558d99e6bec0), _715980)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_720700, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_721632, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _728982)
   Call: (210) [system] peek_char((0x558d99e6bec0), _729916)
   Exit: (210) [system] peek_char((0x558d99e6bec0), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Fail: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_734636, v('(', ')', end_of_file), f)
   Fail: (211) [system] arg(_735568, v('(', ')', end_of_file), f)
^  Fail: (210) [user] is_delimiter(f)
   Call: (210) [system] ')'==f
   Fail: (210) [system] ')'==f
   Call: (210) [system] get_char((0x558d99e6bec0), f)
   Exit: (210) [system] get_char((0x558d99e6bec0), f)
   Call: (210) [system] f=(\)
   Fail: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _742918)
   Call: (211) [system] peek_char((0x558d99e6bec0), _743852)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Fail: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_748572, v('(', ')', end_of_file), '4')
   Fail: (212) [system] arg(_749504, v('(', ')', end_of_file), '4')
^  Fail: (211) [user] is_delimiter('4')
   Call: (211) [system] ')'=='4'
   Fail: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x558d99e6bec0), '4')
   Exit: (211) [system] get_char((0x558d99e6bec0), '4')
   Call: (211) [system] '4'=(\)
   Fail: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _756854)
   Call: (212) [system] peek_char((0x558d99e6bec0), _757788)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _756854=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _742918=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (210) [system] _728982=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '4'])
   Call: (209) [system] _715046=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '4'])
   Call: (208) [system] _701110=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '4'])
   Call: (207) [system] _687174=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '4'])
   Call: (206) [system] _673238=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _639584)
   Call: (206) [system] atom_chars(_783836, ['_', p, r, o, o, f, '4'])
   Exit: (206) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _proof4)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _788500)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _790358)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _798096)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _800800)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _815878)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _821448)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _823306)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _837460)
   Exit: (205) [system] get_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _821448)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _855102)
   Call: (207) [system] peek_char((0x558d99e6bec0), _856036)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_860756, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_861688, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _869038)
   Call: (208) [system] peek_char((0x558d99e6bec0), _869972)
   Exit: (208) [system] peek_char((0x558d99e6bec0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_874692, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_875624, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x558d99e6bec0), r)
   Exit: (208) [system] get_char((0x558d99e6bec0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _882974)
   Call: (209) [system] peek_char((0x558d99e6bec0), _883908)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_888628, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_889560, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _896910)
   Call: (210) [system] peek_char((0x558d99e6bec0), _897844)
   Exit: (210) [system] peek_char((0x558d99e6bec0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_902564, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_903496, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x558d99e6bec0), m)
   Exit: (210) [system] get_char((0x558d99e6bec0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _910846)
   Call: (211) [system] peek_char((0x558d99e6bec0), _911780)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_916500, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_917432, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _924782)
   Call: (212) [system] peek_char((0x558d99e6bec0), _925716)
   Exit: (212) [system] peek_char((0x558d99e6bec0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_930436, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_931368, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x558d99e6bec0), s)
   Exit: (212) [system] get_char((0x558d99e6bec0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _938718)
   Call: (213) [system] peek_char((0x558d99e6bec0), _939652)
   Exit: (213) [system] peek_char((0x558d99e6bec0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_944372, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_945304, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x558d99e6bec0), e)
   Exit: (213) [system] get_char((0x558d99e6bec0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _952654)
   Call: (214) [system] peek_char((0x558d99e6bec0), _953588)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Fail: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_958308, v('(', ')', end_of_file), '4')
   Fail: (215) [system] arg(_959240, v('(', ')', end_of_file), '4')
^  Fail: (214) [user] is_delimiter('4')
   Call: (214) [system] ')'=='4'
   Fail: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x558d99e6bec0), '4')
   Exit: (214) [system] get_char((0x558d99e6bec0), '4')
   Call: (214) [system] '4'=(\)
   Fail: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _966590)
   Call: (215) [system] peek_char((0x558d99e6bec0), _967524)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_972244, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _966590=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _952654=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['4'])
   Call: (213) [system] _938718=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '4'])
   Call: (212) [system] _924782=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '4'])
   Call: (211) [system] _910846=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '4'])
   Call: (210) [system] _896910=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '4'])
   Call: (209) [system] _882974=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '4'])
   Call: (208) [system] _869038=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _855102=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _821448)
   Call: (207) [system] atom_chars(_1001032, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (207) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _premise4)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1005696)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1007554)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1021708)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _1025498)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _1005696=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _788500=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [_premise4])
   Call: (203) [system] _606636=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_proof4, _premise4])
   Call: (202) [system] _513932=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1039380)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1041238)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1048976)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1051680)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1066758)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1072328)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1074186)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1088340)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1072328)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1105982)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1106916)
   Exit: (204) [system] peek_char((0x558d99e6bec0), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Fail: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1111636, v('(', ')', end_of_file), k)
   Fail: (205) [system] arg(_1112568, v('(', ')', end_of_file), k)
^  Fail: (204) [user] is_delimiter(k)
   Call: (204) [system] ')'==k
   Fail: (204) [system] ')'==k
   Call: (204) [system] get_char((0x558d99e6bec0), k)
   Exit: (204) [system] get_char((0x558d99e6bec0), k)
   Call: (204) [system] k=(\)
   Fail: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1119918)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1120852)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1125572, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1126504, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1133854)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1134788)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1133854=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1119918=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (204) [system] _1105982=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (203) [user] classify_and_convert_charseq($, [k, b], _1072328)
   Call: (204) [system] atom_chars(_1149660, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1154324)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1156182)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1163920)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1166624)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1181702)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1187272)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1189130)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1203284)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _1187272)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1220926)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1221860)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1226580, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1227512, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1234862)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1235796)
   Exit: (206) [system] peek_char((0x558d99e6bec0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1240516, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1241448, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x558d99e6bec0), b)
   Exit: (206) [system] get_char((0x558d99e6bec0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1248798)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1249732)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1248798=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1234862=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (205) [system] _1220926=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (204) [user] classify_and_convert_charseq($, [r, b], _1187272)
   Call: (205) [system] atom_chars(_1264604, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1269268)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1271126)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1278864)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1281568)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1296646)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1302216)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1304074)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1318228)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _1302216)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1335870)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1336804)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1341524, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1342456, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1349806)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1350740)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1355460, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1349806=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1335870=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (205) [user] classify_and_convert_charseq($, [k], _1302216)
   Call: (206) [system] atom_chars(_1364690, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1369354)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1371212)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1385366)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _1389156)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _1369354=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1269268=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (202) [system] _1154324=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (201) [system] _1039380=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (200) [system] _480984=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _237710=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1408626)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1410484)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1424638)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1428428)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1408626=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _204762=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _4004=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1439516)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1441374)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x558d99e6bec0), _1450968)
   Exit: (196) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1453672)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1461410)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1464114)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1471852)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1474556)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1482294)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1484998)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1492736)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1495440)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1503178)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1505882)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1513620)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1516324)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1524062)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1526766)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1534504)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1537208)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1544946)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1547650)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1555388)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1558092)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1582410)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1587980)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1589838)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1603992)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1587980)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1609562)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1623716)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1629286)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1631144)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1645298)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1629286)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1650868)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1665022)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1670592)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1672450)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1686604)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _1670592)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1704246)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1705180)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1704246=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1670592)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1714490, _1714492), once(user:catch(read_from_chars([:], _1670592), _1714466, fail)), '$restore_trace'(_1714490, _1714492))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1714490, _1714492))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1714466, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1721990)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1723848)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1731586)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1734290)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1749368)
   Exit: (200) [system] peek_char((0x558d99e6bec0), $)
   Call: (200) [system] ($)=')'
   Fail: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
   Fail: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1754938)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1756796)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=(;)
   Fail: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Fail: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Fail: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Fail: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
   Fail: (203) [system] char_type($, cntrl)
^  Fail: (202) [user] is_like_space($)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1770950)
   Exit: (201) [system] get_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)='('
   Fail: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Fail: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Fail: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Fail: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Fail: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Fail: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Fail: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _1754938)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1788592)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1789526)
   Exit: (203) [system] peek_char((0x558d99e6bec0), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Fail: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1794246, v('(', ')', end_of_file), p)
   Fail: (204) [system] arg(_1795178, v('(', ')', end_of_file), p)
^  Fail: (203) [user] is_delimiter(p)
   Call: (203) [system] ')'==p
   Fail: (203) [system] ')'==p
   Call: (203) [system] get_char((0x558d99e6bec0), p)
   Exit: (203) [system] get_char((0x558d99e6bec0), p)
   Call: (203) [system] p=(\)
   Fail: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1802528)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1803462)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1808182, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1809114, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1816464)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1817398)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1822118, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1823050, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1830400)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1831334)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1836054, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1836986, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1844336)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1845270)
   Exit: (207) [system] peek_char((0x558d99e6bec0), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Fail: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1849990, v('(', ')', end_of_file), f)
   Fail: (208) [system] arg(_1850922, v('(', ')', end_of_file), f)
^  Fail: (207) [user] is_delimiter(f)
   Call: (207) [system] ')'==f
   Fail: (207) [system] ')'==f
   Call: (207) [system] get_char((0x558d99e6bec0), f)
   Exit: (207) [system] get_char((0x558d99e6bec0), f)
   Call: (207) [system] f=(\)
   Fail: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1858272)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1859206)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '5')
^  Call: (208) [user] is_delimiter('5')
   Call: (209) [system] char_type('5', space)
   Fail: (209) [system] char_type('5', space)
   Call: (209) [system] arg(_1863926, v('(', ')', end_of_file), '5')
   Fail: (209) [system] arg(_1864858, v('(', ')', end_of_file), '5')
^  Fail: (208) [user] is_delimiter('5')
   Call: (208) [system] ')'=='5'
   Fail: (208) [system] ')'=='5'
   Call: (208) [system] get_char((0x558d99e6bec0), '5')
   Exit: (208) [system] get_char((0x558d99e6bec0), '5')
   Call: (208) [system] '5'=(\)
   Fail: (208) [system] '5'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1872208)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1873142)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1872208=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1858272=['5']
   Exit: (208) [system] ['5']=['5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['5'])
   Call: (207) [system] _1844336=[f, '5']
   Exit: (207) [system] [f, '5']=[f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '5'])
   Call: (206) [system] _1830400=[o, f, '5']
   Exit: (206) [system] [o, f, '5']=[o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '5'])
   Call: (205) [system] _1816464=[o, o, f, '5']
   Exit: (205) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '5'])
   Call: (204) [system] _1802528=[r, o, o, f, '5']
   Exit: (204) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '5'])
   Call: (203) [system] _1788592=[p, r, o, o, f, '5']
   Exit: (203) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '5'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _1754938)
   Call: (203) [system] atom_chars(_1899190, ['_', p, r, o, o, f, '5'])
   Exit: (203) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _proof5)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof5)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _proof5)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1903854)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1905712)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1913450)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1916154)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1931232)
   Exit: (201) [system] peek_char((0x558d99e6bec0), $)
   Call: (201) [system] ($)=')'
   Fail: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
   Fail: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1936802)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1938660)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=(;)
   Fail: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Fail: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Fail: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Fail: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
   Fail: (204) [system] char_type($, cntrl)
^  Fail: (203) [user] is_like_space($)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1952814)
   Exit: (202) [system] get_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)='('
   Fail: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Fail: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Fail: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Fail: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Fail: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Fail: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Fail: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _1936802)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1970456)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1971390)
   Exit: (204) [system] peek_char((0x558d99e6bec0), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Fail: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1976110, v('(', ')', end_of_file), p)
   Fail: (205) [system] arg(_1977042, v('(', ')', end_of_file), p)
^  Fail: (204) [user] is_delimiter(p)
   Call: (204) [system] ')'==p
   Fail: (204) [system] ')'==p
   Call: (204) [system] get_char((0x558d99e6bec0), p)
   Exit: (204) [system] get_char((0x558d99e6bec0), p)
   Call: (204) [system] p=(\)
   Fail: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1984392)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1985326)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1990046, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1990978, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1998328)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1999262)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_2003982, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_2004914, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2012264)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2013198)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_2017918, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_2018850, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2026200)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2027134)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2031854, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2032786, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2040136)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2041070)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_2045790, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_2046722, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2054072)
   Call: (210) [system] peek_char((0x558d99e6bec0), _2055006)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_2059726, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_2060658, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2068008)
   Call: (211) [system] peek_char((0x558d99e6bec0), _2068942)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '5')
^  Call: (211) [user] is_delimiter('5')
   Call: (212) [system] char_type('5', space)
   Fail: (212) [system] char_type('5', space)
   Call: (212) [system] arg(_2073662, v('(', ')', end_of_file), '5')
   Fail: (212) [system] arg(_2074594, v('(', ')', end_of_file), '5')
^  Fail: (211) [user] is_delimiter('5')
   Call: (211) [system] ')'=='5'
   Fail: (211) [system] ')'=='5'
   Call: (211) [system] get_char((0x558d99e6bec0), '5')
   Exit: (211) [system] get_char((0x558d99e6bec0), '5')
   Call: (211) [system] '5'=(\)
   Fail: (211) [system] '5'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2081944)
   Call: (212) [system] peek_char((0x558d99e6bec0), _2082878)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_2087598, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _2081944=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _2068008=['5']
   Exit: (211) [system] ['5']=['5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['5'])
   Call: (210) [system] _2054072=[e, '5']
   Exit: (210) [system] [e, '5']=[e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '5'])
   Call: (209) [system] _4168=[s, e, '5']
   Exit: (209) [system] [s, e, '5']=[s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '5'])
   Call: (208) [system] _4164=[i, s, e, '5']
   Exit: (208) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '5'])
   Call: (207) [system] _4160=[m, i, s, e, '5']
   Exit: (207) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '5'])
   Call: (206) [system] _4156=[e, m, i, s, e, '5']
   Exit: (206) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '5'])
   Call: (205) [system] _4152=[r, e, m, i, s, e, '5']
   Exit: (205) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '5'])
   Call: (204) [system] _4148=[p, r, e, m, i, s, e, '5']
   Exit: (204) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '5'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _4144)
   Call: (204) [system] atom_chars(_23690, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (204) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise5)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _premise5)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _28354)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _30212)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _44366)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _48156)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _28354=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _4140=[_premise5]
   Exit: (201) [system] [_premise5]=[_premise5]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [_premise5])
   Call: (200) [system] _4130=[_proof5, _premise5]
   Exit: (200) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [_proof5, _premise5])
   Call: (199) [system] _4122=[:, _proof5, _premise5]
   Exit: (199) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, _proof5, _premise5])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof5, _premise5])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _62038)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _63896)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _71634)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _74338)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _89416)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _94986)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _96844)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _110998)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _94986)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _116568)
   Exit: (201) [system] peek_char((0x558d99e6bec0), s)
   Call: (201) [system] s=(;)
   Fail: (201) [system] s=(;)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Fail: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Fail: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Fail: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
   Fail: (202) [system] char_type(s, cntrl)
^  Fail: (201) [user] is_like_space(s)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _130722)
   Exit: (200) [system] peek_char((0x558d99e6bec0), s)
   Call: (200) [system] s=')'
   Fail: (200) [system] s=')'
   Call: (200) [system] s=end_of_file
   Fail: (200) [system] s=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _136292)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _138150)
   Exit: (202) [system] peek_char((0x558d99e6bec0), s)
   Call: (202) [system] s=(;)
   Fail: (202) [system] s=(;)
^  Call: (202) [user] is_like_space(s)
   Call: (203) [system] char_type(s, 'white')
   Fail: (203) [system] char_type(s, 'white')
   Call: (203) [system] char_type(s, end_of_line)
   Fail: (203) [system] char_type(s, end_of_line)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] char_type(s, cntrl)
   Fail: (203) [system] char_type(s, cntrl)
^  Fail: (202) [user] is_like_space(s)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _152304)
   Exit: (201) [system] get_char((0x558d99e6bec0), s)
   Call: (201) [system] s='('
   Fail: (201) [system] s='('
   Call: (201) [system] s='['
   Fail: (201) [system] s='['
   Call: (201) [system] s='{'
   Fail: (201) [system] s='{'
   Call: (201) [system] s='"'
   Fail: (201) [system] s='"'
   Call: (201) [system] s=!
   Fail: (201) [system] s=!
   Call: (201) [system] s='\''
   Fail: (201) [system] s='\''
   Call: (201) [system] s='`'
   Fail: (201) [system] s='`'
   Call: (201) [system] s=end_of_file
   Fail: (201) [system] s=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), s, _136292)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _169946)
   Call: (203) [system] peek_char((0x558d99e6bec0), _170880)
   Exit: (203) [system] peek_char((0x558d99e6bec0), y)
^  Call: (203) [user] is_delimiter(y)
   Call: (204) [system] char_type(y, space)
   Fail: (204) [system] char_type(y, space)
   Call: (204) [system] arg(_175600, v('(', ')', end_of_file), y)
   Fail: (204) [system] arg(_176532, v('(', ')', end_of_file), y)
^  Fail: (203) [user] is_delimiter(y)
   Call: (203) [system] ')'==y
   Fail: (203) [system] ')'==y
   Call: (203) [system] get_char((0x558d99e6bec0), y)
   Exit: (203) [system] get_char((0x558d99e6bec0), y)
   Call: (203) [system] y=(\)
   Fail: (203) [system] y=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _183882)
   Call: (204) [system] peek_char((0x558d99e6bec0), _184816)
   Exit: (204) [system] peek_char((0x558d99e6bec0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_189536, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_190468, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x558d99e6bec0), n)
   Exit: (204) [system] get_char((0x558d99e6bec0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _197818)
   Call: (205) [system] peek_char((0x558d99e6bec0), _198752)
   Exit: (205) [system] peek_char((0x558d99e6bec0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_203472, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_204404, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x558d99e6bec0), t)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _211754)
   Call: (206) [system] peek_char((0x558d99e6bec0), _212688)
   Exit: (206) [system] peek_char((0x558d99e6bec0), h)
^  Call: (206) [user] is_delimiter(h)
   Call: (207) [system] char_type(h, space)
   Fail: (207) [system] char_type(h, space)
   Call: (207) [system] arg(_217408, v('(', ')', end_of_file), h)
   Fail: (207) [system] arg(_218340, v('(', ')', end_of_file), h)
^  Fail: (206) [user] is_delimiter(h)
   Call: (206) [system] ')'==h
   Fail: (206) [system] ')'==h
   Call: (206) [system] get_char((0x558d99e6bec0), h)
   Exit: (206) [system] get_char((0x558d99e6bec0), h)
   Call: (206) [system] h=(\)
   Fail: (206) [system] h=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _225690)
   Call: (207) [system] peek_char((0x558d99e6bec0), _226624)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_231344, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_232276, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _239626)
   Call: (208) [system] peek_char((0x558d99e6bec0), _240560)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_245280, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_246212, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _253562)
   Call: (209) [system] peek_char((0x558d99e6bec0), _254496)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_259216, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_260148, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _267498)
   Call: (210) [system] peek_char((0x558d99e6bec0), _268432)
   Exit: (210) [system] peek_char((0x558d99e6bec0), z)
^  Call: (210) [user] is_delimiter(z)
   Call: (211) [system] char_type(z, space)
   Fail: (211) [system] char_type(z, space)
   Call: (211) [system] arg(_273152, v('(', ')', end_of_file), z)
   Fail: (211) [system] arg(_274084, v('(', ')', end_of_file), z)
^  Fail: (210) [user] is_delimiter(z)
   Call: (210) [system] ')'==z
   Fail: (210) [system] ')'==z
   Call: (210) [system] get_char((0x558d99e6bec0), z)
   Exit: (210) [system] get_char((0x558d99e6bec0), z)
   Call: (210) [system] z=(\)
   Fail: (210) [system] z=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _281434)
   Call: (211) [system] peek_char((0x558d99e6bec0), _282368)
   Exit: (211) [system] peek_char((0x558d99e6bec0), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Fail: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_287088, v('(', ')', end_of_file), e)
   Fail: (212) [system] arg(_288020, v('(', ')', end_of_file), e)
^  Fail: (211) [user] is_delimiter(e)
   Call: (211) [system] ')'==e
   Fail: (211) [system] ')'==e
   Call: (211) [system] get_char((0x558d99e6bec0), e)
   Exit: (211) [system] get_char((0x558d99e6bec0), e)
   Call: (211) [system] e=(\)
   Fail: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _295370)
   Call: (212) [system] peek_char((0x558d99e6bec0), _296304)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _295370=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _281434=[e]
   Exit: (211) [system] [e]=[e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (210) [system] _267498=[z, e]
   Exit: (210) [system] [z, e]=[z, e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (209) [system] _253562=[i, z, e]
   Exit: (209) [system] [i, z, e]=[i, z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (208) [system] _239626=[s, i, z, e]
   Exit: (208) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (207) [system] _225690=[e, s, i, z, e]
   Exit: (207) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (206) [system] _211754=[h, e, s, i, z, e]
   Exit: (206) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (205) [system] _197818=[t, h, e, s, i, z, e]
   Exit: (205) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (204) [system] _183882=[n, t, h, e, s, i, z, e]
   Exit: (204) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (203) [system] _169946=[y, n, t, h, e, s, i, z, e]
   Exit: (203) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (202) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _136292)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_330760, _330762), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _136292), _330736, fail)), '$restore_trace'(_330760, _330762))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_330760, _330762))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _330736, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _338260)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _340118)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _347856)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _350560)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _365638)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _371208)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _373066)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _387220)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _371208)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _392790)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _406944)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _412514)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _414372)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _428526)
   Exit: (204) [system] get_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), :, _412514)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _446168)
   Call: (206) [system] peek_char((0x558d99e6bec0), _447102)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _446168=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq(:, [], _412514)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_456412, _456414), once(user:catch(read_from_chars([:], _412514), _456388, fail)), '$restore_trace'(_456412, _456414))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_456412, _456414))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _456388, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _463912)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _465770)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _473508)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _476212)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _491290)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _496860)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _498718)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _512872)
   Exit: (205) [system] get_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _496860)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _530514)
   Call: (207) [system] peek_char((0x558d99e6bec0), _531448)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_536168, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_537100, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _544450)
   Call: (208) [system] peek_char((0x558d99e6bec0), _545384)
   Exit: (208) [system] peek_char((0x558d99e6bec0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_550104, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_551036, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x558d99e6bec0), r)
   Exit: (208) [system] get_char((0x558d99e6bec0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _558386)
   Call: (209) [system] peek_char((0x558d99e6bec0), _559320)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_564040, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_564972, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _572322)
   Call: (210) [system] peek_char((0x558d99e6bec0), _573256)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_577976, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_578908, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _586258)
   Call: (211) [system] peek_char((0x558d99e6bec0), _587192)
   Exit: (211) [system] peek_char((0x558d99e6bec0), f)
^  Call: (211) [user] is_delimiter(f)
   Call: (212) [system] char_type(f, space)
   Fail: (212) [system] char_type(f, space)
   Call: (212) [system] arg(_591912, v('(', ')', end_of_file), f)
   Fail: (212) [system] arg(_592844, v('(', ')', end_of_file), f)
^  Fail: (211) [user] is_delimiter(f)
   Call: (211) [system] ')'==f
   Fail: (211) [system] ')'==f
   Call: (211) [system] get_char((0x558d99e6bec0), f)
   Exit: (211) [system] get_char((0x558d99e6bec0), f)
   Call: (211) [system] f=(\)
   Fail: (211) [system] f=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _600194)
   Call: (212) [system] peek_char((0x558d99e6bec0), _601128)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Fail: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_605848, v('(', ')', end_of_file), '5')
   Fail: (213) [system] arg(_606780, v('(', ')', end_of_file), '5')
^  Fail: (212) [user] is_delimiter('5')
   Call: (212) [system] ')'=='5'
   Fail: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x558d99e6bec0), '5')
   Exit: (212) [system] get_char((0x558d99e6bec0), '5')
   Call: (212) [system] '5'=(\)
   Fail: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _614130)
   Call: (213) [system] peek_char((0x558d99e6bec0), _615064)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _614130=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _600194=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['5'])
   Call: (211) [system] _586258=[f, '5']
   Exit: (211) [system] [f, '5']=[f, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, '5'])
   Call: (210) [system] _572322=[o, f, '5']
   Exit: (210) [system] [o, f, '5']=[o, f, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, f, '5'])
   Call: (209) [system] _558386=[o, o, f, '5']
   Exit: (209) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, o, f, '5'])
   Call: (208) [system] _544450=[r, o, o, f, '5']
   Exit: (208) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, o, f, '5'])
   Call: (207) [system] _530514=[p, r, o, o, f, '5']
   Exit: (207) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, o, o, f, '5'])
^  Call: (206) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _496860)
   Call: (207) [system] atom_chars(_641112, ['_', p, r, o, o, f, '5'])
   Exit: (207) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (206) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _proof5)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _proof5)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _proof5)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _645776)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _647634)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _655372)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _658076)
   Exit: (207) [system] peek_char((0x558d99e6bec0), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _673154)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=')'
   Fail: (205) [system] ($)=')'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _678724)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _680582)
   Exit: (207) [system] peek_char((0x558d99e6bec0), $)
   Call: (207) [system] ($)=(;)
   Fail: (207) [system] ($)=(;)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Fail: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Fail: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Fail: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
   Fail: (208) [system] char_type($, cntrl)
^  Fail: (207) [user] is_like_space($)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _694736)
   Exit: (206) [system] get_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)='('
   Fail: (206) [system] ($)='('
   Call: (206) [system] ($)='['
   Fail: (206) [system] ($)='['
   Call: (206) [system] ($)='{'
   Fail: (206) [system] ($)='{'
   Call: (206) [system] ($)='"'
   Fail: (206) [system] ($)='"'
   Call: (206) [system] ($)=!
   Fail: (206) [system] ($)=!
   Call: (206) [system] ($)='\''
   Fail: (206) [system] ($)='\''
   Call: (206) [system] ($)='`'
   Fail: (206) [system] ($)='`'
   Call: (206) [system] ($)=end_of_file
   Fail: (206) [system] ($)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), $, _678724)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _712378)
   Call: (208) [system] peek_char((0x558d99e6bec0), _713312)
   Exit: (208) [system] peek_char((0x558d99e6bec0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_718032, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_718964, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x558d99e6bec0), p)
   Exit: (208) [system] get_char((0x558d99e6bec0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _726314)
   Call: (209) [system] peek_char((0x558d99e6bec0), _727248)
   Exit: (209) [system] peek_char((0x558d99e6bec0), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_731968, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_732900, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x558d99e6bec0), r)
   Exit: (209) [system] get_char((0x558d99e6bec0), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _740250)
   Call: (210) [system] peek_char((0x558d99e6bec0), _741184)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_745904, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_746836, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _754186)
   Call: (211) [system] peek_char((0x558d99e6bec0), _755120)
   Exit: (211) [system] peek_char((0x558d99e6bec0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_759840, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_760772, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x558d99e6bec0), m)
   Exit: (211) [system] get_char((0x558d99e6bec0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _768122)
   Call: (212) [system] peek_char((0x558d99e6bec0), _769056)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_773776, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_774708, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _782058)
   Call: (213) [system] peek_char((0x558d99e6bec0), _782992)
   Exit: (213) [system] peek_char((0x558d99e6bec0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_787712, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_788644, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x558d99e6bec0), s)
   Exit: (213) [system] get_char((0x558d99e6bec0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _795994)
   Call: (214) [system] peek_char((0x558d99e6bec0), _796928)
   Exit: (214) [system] peek_char((0x558d99e6bec0), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_801648, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_802580, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x558d99e6bec0), e)
   Exit: (214) [system] get_char((0x558d99e6bec0), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _809930)
   Call: (215) [system] peek_char((0x558d99e6bec0), _810864)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '5')
^  Call: (215) [user] is_delimiter('5')
   Call: (216) [system] char_type('5', space)
   Fail: (216) [system] char_type('5', space)
   Call: (216) [system] arg(_815584, v('(', ')', end_of_file), '5')
   Fail: (216) [system] arg(_816516, v('(', ')', end_of_file), '5')
^  Fail: (215) [user] is_delimiter('5')
   Call: (215) [system] ')'=='5'
   Fail: (215) [system] ')'=='5'
   Call: (215) [system] get_char((0x558d99e6bec0), '5')
   Exit: (215) [system] get_char((0x558d99e6bec0), '5')
   Call: (215) [system] '5'=(\)
   Fail: (215) [system] '5'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _823866)
   Call: (216) [system] peek_char((0x558d99e6bec0), _824800)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_829520, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _823866=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _809930=['5']
   Exit: (215) [system] ['5']=['5']
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['5'])
   Call: (214) [system] _795994=[e, '5']
   Exit: (214) [system] [e, '5']=[e, '5']
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, '5'])
   Call: (213) [system] _782058=[s, e, '5']
   Exit: (213) [system] [s, e, '5']=[s, e, '5']
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, '5'])
   Call: (212) [system] _768122=[i, s, e, '5']
   Exit: (212) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, e, '5'])
   Call: (211) [system] _754186=[m, i, s, e, '5']
   Exit: (211) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, s, e, '5'])
   Call: (210) [system] _740250=[e, m, i, s, e, '5']
   Exit: (210) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, m, i, s, e, '5'])
   Call: (209) [system] _726314=[r, e, m, i, s, e, '5']
   Exit: (209) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, e, m, i, s, e, '5'])
   Call: (208) [system] _712378=[p, r, e, m, i, s, e, '5']
   Exit: (208) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, r, e, m, i, s, e, '5'])
^  Call: (207) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _678724)
   Call: (208) [system] atom_chars(_858308, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (208) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (207) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), $, _premise5)
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _premise5)
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _862972)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _864830)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _878984)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _882774)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _862972=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _645776=[_premise5]
   Exit: (205) [system] [_premise5]=[_premise5]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [_premise5])
   Call: (204) [system] _463912=[_proof5, _premise5]
   Exit: (204) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [_proof5, _premise5])
   Call: (203) [system] _371208=[:, _proof5, _premise5]
   Exit: (203) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [:, _proof5, _premise5])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _proof5, _premise5])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _896656)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _898514)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _906252)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _908956)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _924034)
   Exit: (202) [system] peek_char((0x558d99e6bec0), $)
   Call: (202) [system] ($)=')'
   Fail: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
   Fail: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _929604)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _931462)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=(;)
   Fail: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Fail: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Fail: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Fail: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
   Fail: (205) [system] char_type($, cntrl)
^  Fail: (204) [user] is_like_space($)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _945616)
   Exit: (203) [system] get_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)='('
   Fail: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Fail: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Fail: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Fail: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Fail: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Fail: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Fail: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _929604)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _963258)
   Call: (205) [system] peek_char((0x558d99e6bec0), _964192)
   Exit: (205) [system] peek_char((0x558d99e6bec0), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Fail: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_968912, v('(', ')', end_of_file), k)
   Fail: (206) [system] arg(_969844, v('(', ')', end_of_file), k)
^  Fail: (205) [user] is_delimiter(k)
   Call: (205) [system] ')'==k
   Fail: (205) [system] ')'==k
   Call: (205) [system] get_char((0x558d99e6bec0), k)
   Exit: (205) [system] get_char((0x558d99e6bec0), k)
   Call: (205) [system] k=(\)
   Fail: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _977194)
   Call: (206) [system] peek_char((0x558d99e6bec0), _978128)
   Exit: (206) [system] peek_char((0x558d99e6bec0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_982848, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_983780, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x558d99e6bec0), b)
   Exit: (206) [system] get_char((0x558d99e6bec0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _991130)
   Call: (207) [system] peek_char((0x558d99e6bec0), _992064)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _991130=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _977194=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (205) [system] _963258=[k, b]
   Exit: (205) [system] [k, b]=[k, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k, b])
^  Call: (204) [user] classify_and_convert_charseq($, [k, b], _929604)
   Call: (205) [system] atom_chars(_1006936, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), $, _kb)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _kb)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1011600)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1013458)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1021196)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1023900)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1038978)
   Exit: (203) [system] peek_char((0x558d99e6bec0), $)
   Call: (203) [system] ($)=')'
   Fail: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
   Fail: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1044548)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1046406)
   Exit: (205) [system] peek_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)=(;)
   Fail: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Fail: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Fail: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Fail: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
   Fail: (206) [system] char_type($, cntrl)
^  Fail: (205) [user] is_like_space($)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1060560)
   Exit: (204) [system] get_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)='('
   Fail: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Fail: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Fail: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Fail: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Fail: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Fail: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Fail: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _1044548)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1078202)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1079136)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1083856, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_1084788, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1092138)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1093072)
   Exit: (207) [system] peek_char((0x558d99e6bec0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1097792, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1098724, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x558d99e6bec0), b)
   Exit: (207) [system] get_char((0x558d99e6bec0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1106074)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1107008)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1106074=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1092138=[b]
   Exit: (207) [system] [b]=[b]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
   Call: (206) [system] _1078202=[r, b]
   Exit: (206) [system] [r, b]=[r, b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, b])
^  Call: (205) [user] classify_and_convert_charseq($, [r, b], _1044548)
   Call: (206) [system] atom_chars(_1121880, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), $, _rb)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _rb)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1126544)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1128402)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1136140)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1138844)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1153922)
   Exit: (204) [system] peek_char((0x558d99e6bec0), $)
   Call: (204) [system] ($)=')'
   Fail: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
   Fail: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1159492)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1161350)
   Exit: (206) [system] peek_char((0x558d99e6bec0), $)
   Call: (206) [system] ($)=(;)
   Fail: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Fail: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Fail: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Fail: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
   Fail: (207) [system] char_type($, cntrl)
^  Fail: (206) [user] is_like_space($)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1175504)
   Exit: (205) [system] get_char((0x558d99e6bec0), $)
   Call: (205) [system] ($)='('
   Fail: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Fail: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Fail: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Fail: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Fail: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Fail: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Fail: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
   Fail: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _1159492)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1193146)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1194080)
   Exit: (207) [system] peek_char((0x558d99e6bec0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1198800, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_1199732, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x558d99e6bec0), k)
   Exit: (207) [system] get_char((0x558d99e6bec0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1207082)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1208016)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1212736, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1207082=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1193146=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
^  Call: (206) [user] classify_and_convert_charseq($, [k], _1159492)
   Call: (207) [system] atom_chars(_1221966, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), $, _k)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _k)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1226630)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1228488)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1242642)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _1246432)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _1226630=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1126544=[_k]
   Exit: (204) [system] [_k]=[_k]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [_k])
   Call: (203) [system] _1011600=[_rb, _k]
   Exit: (203) [system] [_rb, _k]=[_rb, _k]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [_rb, _k])
   Call: (202) [system] _896656=[_kb, _rb, _k]
   Exit: (202) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [_kb, _rb, _k])
   Call: (201) [system] _338260=[[:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (201) [system] [[:, _proof5, _premise5], _kb, _rb, _k]=[[:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [[:, _proof5, _premise5], _kb, _rb, _k])
   Call: (200) [system] _94986=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (200) [system] [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1265902)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1267760)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1281914)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _1285704)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _1265902=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _62038=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (198) [system] [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
   Call: (197) [system] _4116=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (197) [system] [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1296792)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1298650)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1312804)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1316594)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1296792=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _4112=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (195) [system] [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (194) [system] _4000=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (193) [system] _3888=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (192) [system] _3776=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (191) [system] _3664=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (190) [system] _3560=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1341652)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1343510)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (189) [system] '\n'=(;)
   Fail: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Fail: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x558d99e6bec0), _1353104)
   Exit: (189) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1355808)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1363546)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1366250)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _1373988)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1376692)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1384430)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1387134)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1394872)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1397576)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1405314)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1408018)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1427716)
   Exit: (188) [system] peek_char((0x558d99e6bec0), $)
   Call: (188) [system] ($)=')'
   Fail: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
   Fail: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1433286)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1435144)
   Exit: (190) [system] peek_char((0x558d99e6bec0), $)
   Call: (190) [system] ($)=(;)
   Fail: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Fail: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Fail: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Fail: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
   Fail: (191) [system] char_type($, cntrl)
^  Fail: (190) [user] is_like_space($)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1449298)
   Exit: (189) [system] get_char((0x558d99e6bec0), $)
   Call: (189) [system] ($)='('
   Fail: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Fail: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Fail: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Fail: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Fail: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Fail: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Fail: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
   Fail: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _1433286)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1466940)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1467874)
   Exit: (191) [system] peek_char((0x558d99e6bec0), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Fail: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1472594, v('(', ')', end_of_file), q)
   Fail: (192) [system] arg(_1473526, v('(', ')', end_of_file), q)
^  Fail: (191) [user] is_delimiter(q)
   Call: (191) [system] ')'==q
   Fail: (191) [system] ')'==q
   Call: (191) [system] get_char((0x558d99e6bec0), q)
   Exit: (191) [system] get_char((0x558d99e6bec0), q)
   Call: (191) [system] q=(\)
   Fail: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1480876)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1481810)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1486530, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_1487462, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1494812)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1495746)
   Exit: (193) [system] peek_char((0x558d99e6bec0), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Fail: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1500466, v('(', ')', end_of_file), e)
   Fail: (194) [system] arg(_1501398, v('(', ')', end_of_file), e)
^  Fail: (193) [user] is_delimiter(e)
   Call: (193) [system] ')'==e
   Fail: (193) [system] ')'==e
   Call: (193) [system] get_char((0x558d99e6bec0), e)
   Exit: (193) [system] get_char((0x558d99e6bec0), e)
   Call: (193) [system] e=(\)
   Fail: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1508748)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1509682)
   Exit: (194) [system] peek_char((0x558d99e6bec0), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Fail: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1514402, v('(', ')', end_of_file), r)
   Fail: (195) [system] arg(_1515334, v('(', ')', end_of_file), r)
^  Fail: (194) [user] is_delimiter(r)
   Call: (194) [system] ')'==r
   Fail: (194) [system] ')'==r
   Call: (194) [system] get_char((0x558d99e6bec0), r)
   Exit: (194) [system] get_char((0x558d99e6bec0), r)
   Call: (194) [system] r=(\)
   Fail: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1522684)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1523618)
   Exit: (195) [system] peek_char((0x558d99e6bec0), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Fail: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1528338, v('(', ')', end_of_file), y)
   Fail: (196) [system] arg(_1529270, v('(', ')', end_of_file), y)
^  Fail: (195) [user] is_delimiter(y)
   Call: (195) [system] ')'==y
   Fail: (195) [system] ')'==y
   Call: (195) [system] get_char((0x558d99e6bec0), y)
   Exit: (195) [system] get_char((0x558d99e6bec0), y)
   Call: (195) [system] y=(\)
   Fail: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1536620)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1537554)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1542274, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1536620=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1522684=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y])
   Call: (194) [system] _1508748=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, y])
   Call: (193) [system] _1494812=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, y])
   Call: (192) [system] _1480876=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, e, r, y])
   Call: (191) [system] _1466940=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1433286)
   Call: (191) [system] atom_chars(_1562680, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _query)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1567344)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1569202)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1583356)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1587146)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1567344=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1341652=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1601028)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1602886)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1617040)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1620830)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1601028=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311)), read_sexpr((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1639348, _1639350, _1639352, _1639354, _1639356))
^  Exit: (177) [user] retract(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _1642180))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _1642180)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), _1642180)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _1644996))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _1644996))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _1644996)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 43, 0), _1647796))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 43, 0), _1647796)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), _1647796)
   Call: (187) [system] var('$COMMENT'(";;", 43, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 43, 0))
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==[_1654316, _1654322]
   Call: (187) [system] is_list('$COMMENT'(";;", 43, 0))
   Call: (187) [system] string('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), _1658950, _1658952)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 43, 0], _1662692)
   Call: (188) [apply] apply:maplist_([";;", 43, 0], _1662692, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _1664572)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_1669214, _1669220]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_1664572
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([43, 0], _1664574, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(43, _1683094)
   Call: (191) [system] var(43)
   Call: (191) [system] atom(43)
   Call: (191) [system] 43==true
   Call: (191) [system] 43==false
   Call: (191) [system] 43==[_1687736, _1687742]
   Call: (191) [system] is_list(43)
   Call: (191) [system] string(43)
   Call: (191) [system] compound(43)
^  Call: (191) [user] symbol(43)
   Call: (192) [system] atom(43)
   Fail: (192) [system] atom(43)
^  Fail: (191) [user] symbol(43)
   Call: (191) [system] 43=_1683094
   Exit: (191) [system] 43=43
^  Exit: (190) [user] mfix_vars1(43, 43)
   Call: (190) [apply] apply:maplist_([0], _1683096, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1698860)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1703502, _1703508]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1698860
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1698862, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([43, 0], [43, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 43, 0], [";;", 43, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 43, 0], [";;", 43, 0])
   Call: (187) [system] compound_name_arguments(_1647796, '$COMMENT', [";;", 43, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 43, 0), _1727678))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), _1727678))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), _1727678)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 43, 0), _1730478))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 43, 0), _1730478)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), _1730478)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 43, 0), _1642180))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), _1642180))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), _1642180)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 43, 0), _1744436))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 43, 0), _1744436)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), _1744436)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (178) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;", 43, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;", 43, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;", 43, 0)))
   Call: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 43, 0), ynthesize_long_1726258747_317601, 82)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258751.5709498), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258751.5709498), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258756.3628235)
   Call: (173) [system] arg(1, t(1726258751.5709498), _3148)
   Exit: (173) [system] arg(1, t(1726258751.5709498), 1726258751.5709498)
   Call: (173) [system] _3158 is 1726258756.3628235-1726258751.5709498
   Exit: (173) [system] 4.7918736934661865 is 1726258756.3628235-1726258751.5709498
   Call: (173) [system] 4.7918736934661865>4
   Exit: (173) [system] 4.7918736934661865>4
   Call: (173) [system] nb_setarg(1, t(1726258751.5709498), 1726258756.3628235)
   Exit: (173) [system] nb_setarg(1, t(1726258756.3628235), 1726258756.3628235)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;", 43, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1790440, _1790442), once(user:with_indents(false, write_src('$COMMENT'(";;", 43, 0)))), '$restore_trace'(_1790440, _1790442))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1790440, _1790442))
(%COMMENT  ";;" 43 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;", 43, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;", 43, 0))
 ; line: 82 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1726258756.3628235), arg(1, t(1726258756.3628235), 1726258751.5709498), 4.7918736934661865 is 1726258756.3628235-1726258751.5709498, 4.7918736934661865>4), (nb_setarg(1, t(1726258756.3628235), 1726258756.3628235), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 9)
   Call: (175) [system] atom(9+1)
   Call: (175) [system] set_flag(translated_forms, 10)
   Exit: (175) [system] set_flag(translated_forms, 10)
   Exit: (174) [$syspreds] update_flag(translated_forms, 9, 9+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 9, 9+1))
   Exit: (171) [$syspreds] flag(translated_forms, 9, 9+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 43, 0), ynthesize_long_1726258747_317601, 82)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 43, 0), ynthesize_long_1726258747_317601, 82)
^  Exit: (169) [system] once(user:(if_t((get_time(1726258756.3628235), arg(1, t(1726258756.3628235), 1726258751.5709498), 4.7918736934661865 is 1726258756.3628235-1726258751.5709498, 4.7918736934661865>4), (nb_setarg(1, t(1726258756.3628235), 1726258756.3628235), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 9, 9+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 43, 0), ynthesize_long_1726258747_317601, 82)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 92)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 92))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 92))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1837998)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1845420)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _1852842)
   Exit: (176) [system] peek_char((0x558d99e6bec0), '(')
   Call: (176) [system] char_type('(', space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (177) [system] string((0x558d99e6bec0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (178) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (178) [system] peek_char((0x558d99e6bec0), _1861180)
   Exit: (178) [system] peek_char((0x558d99e6bec0), '(')
   Call: (178) [system] char_type('(', space)
   Call: (178) [system] _1863966=(0x558d99e6bec0)
   Exit: (178) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (178) [user] once((read_position((0x558d99e6bec0), _1865834, _1865836, _1865838, _1865840), read_sexpr((0x558d99e6bec0), _1865852), assertz(metta_file_comment(_1865834, _1865836, _1865838, _1865852, _1865840))))
^  Call: (180) [user] read_position((0x558d99e6bec0), _1865834, _1865836, _1865838, _1865840)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_1865840))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_1865840))
   Exit: (182) [system] nonvar(position(_1865840))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(3966, 94, 0, 3966)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), _1865834)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1876092)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), _1865834)
   Exit: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), 94)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), 94)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), _1865836)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1883526)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), _1865836)
   Exit: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), _1865838)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1890960)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), _1865838)
   Exit: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), 3966)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), 3966)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966))
^  Call: (180) [user] read_sexpr((0x558d99e6bec0), _1865852)
   Call: (181) [system] string((0x558d99e6bec0))
   Fail: (181) [system] string((0x558d99e6bec0))
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _1865852)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1901186)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=(;)
   Fail: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Fail: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Fail: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Fail: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
   Fail: (184) [system] char_type('(', cntrl)
^  Fail: (183) [user] is_like_space('(')
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _1915340)
   Exit: (182) [system] get_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1865852)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1920910)
   Exit: (184) [system] peek_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)=(;)
   Fail: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Fail: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Fail: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Fail: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
   Fail: (185) [system] char_type(:, cntrl)
^  Fail: (184) [user] is_like_space(:)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1935064)
   Exit: (183) [system] peek_char((0x558d99e6bec0), :)
   Call: (183) [system] (:)=')'
   Fail: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
   Fail: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1940634)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1942492)
   Exit: (185) [system] peek_char((0x558d99e6bec0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1956646)
   Exit: (184) [system] get_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)='('
   Fail: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Fail: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Fail: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Fail: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Fail: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Fail: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Fail: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x558d99e6bec0), :, _1940634)
^  Call: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1974288)
   Call: (186) [system] peek_char((0x558d99e6bec0), _1975222)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1974288=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (185) [user] classify_and_convert_charseq(:, [], _1940634)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1984532, _1984534), once(user:catch(read_from_chars([:], _1940634), _1984508, fail)), '$restore_trace'(_1984532, _1984534))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1984532, _1984534))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1984508, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (184) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1992032)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1993890)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _2001628)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2004332)
   Exit: (186) [system] peek_char((0x558d99e6bec0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _2019410)
   Exit: (184) [system] peek_char((0x558d99e6bec0), k)
   Call: (184) [system] k=')'
   Fail: (184) [system] k=')'
   Call: (184) [system] k=end_of_file
   Fail: (184) [system] k=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _2024980)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2026838)
   Exit: (186) [system] peek_char((0x558d99e6bec0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _2040992)
   Exit: (185) [system] get_char((0x558d99e6bec0), k)
   Call: (185) [system] k='('
   Fail: (185) [system] k='('
   Call: (185) [system] k='['
   Fail: (185) [system] k='['
   Call: (185) [system] k='{'
   Fail: (185) [system] k='{'
   Call: (185) [system] k='"'
   Fail: (185) [system] k='"'
   Call: (185) [system] k=!
   Fail: (185) [system] k=!
   Call: (185) [system] k='\''
   Fail: (185) [system] k='\''
   Call: (185) [system] k='`'
   Fail: (185) [system] k='`'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x558d99e6bec0), k, _2024980)
^  Call: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2058634)
   Call: (187) [system] peek_char((0x558d99e6bec0), _2059568)
   Exit: (187) [system] peek_char((0x558d99e6bec0), b)
^  Call: (187) [user] is_delimiter(b)
   Call: (188) [system] char_type(b, space)
   Fail: (188) [system] char_type(b, space)
   Call: (188) [system] arg(_2064288, v('(', ')', end_of_file), b)
   Fail: (188) [system] arg(_2065220, v('(', ')', end_of_file), b)
^  Fail: (187) [user] is_delimiter(b)
   Call: (187) [system] ')'==b
   Fail: (187) [system] ')'==b
   Call: (187) [system] get_char((0x558d99e6bec0), b)
   Exit: (187) [system] get_char((0x558d99e6bec0), b)
   Call: (187) [system] b=(\)
   Fail: (187) [system] b=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2072570)
   Call: (188) [system] peek_char((0x558d99e6bec0), _2073504)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] is_delimiter(' ')
   Call: (189) [system] char_type(' ', space)
   Exit: (189) [system] char_type(' ', space)
^  Exit: (188) [user] is_delimiter(' ')
   Call: (188) [system] _2072570=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (187) [system] _2058634=[b]
   Exit: (187) [system] [b]=[b]
^  Exit: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (186) [user] classify_and_convert_charseq(k, [b], _2024980)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_2085608, _2085610), once(user:catch(read_from_chars([k, b], _2024980), _2085584, fail)), '$restore_trace'(_2085608, _2085610))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_2085608, _2085610))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _2085584, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(kb)
   Exit: (187) [system] atomic(kb)
^  Exit: (186) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (185) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _2093108)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2094966)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _9196)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _11900)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _26978)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=')'
   Fail: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
   Fail: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _32548)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _34406)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=(;)
   Fail: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Fail: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Fail: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Fail: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
   Fail: (188) [system] char_type('(', cntrl)
^  Fail: (187) [user] is_like_space('(')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _48560)
   Exit: (186) [system] get_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _32548)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _54130)
   Exit: (188) [system] peek_char((0x558d99e6bec0), -)
   Call: (188) [system] (-)=(;)
   Fail: (188) [system] (-)=(;)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Fail: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Fail: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Fail: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
   Fail: (189) [system] char_type(-, cntrl)
^  Fail: (188) [user] is_like_space(-)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _68284)
   Exit: (187) [system] peek_char((0x558d99e6bec0), -)
   Call: (187) [system] (-)=')'
   Fail: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
   Fail: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _73854)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _75712)
   Exit: (189) [system] peek_char((0x558d99e6bec0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _89866)
   Exit: (188) [system] get_char((0x558d99e6bec0), -)
   Call: (188) [system] (-)='('
   Fail: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Fail: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Fail: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Fail: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Fail: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Fail: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Fail: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), -, _73854)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _107508)
   Call: (190) [system] peek_char((0x558d99e6bec0), _108442)
   Exit: (190) [system] peek_char((0x558d99e6bec0), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Fail: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_113162, v('(', ')', end_of_file), >)
   Fail: (191) [system] arg(_114094, v('(', ')', end_of_file), >)
^  Fail: (190) [user] is_delimiter(>)
   Call: (190) [system] ')'==(>)
   Fail: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x558d99e6bec0), >)
   Exit: (190) [system] get_char((0x558d99e6bec0), >)
   Call: (190) [system] (>)=(\)
   Fail: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _121444)
   Call: (191) [system] peek_char((0x558d99e6bec0), _122378)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _121444=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (190) [system] _107508=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (189) [user] classify_and_convert_charseq(-, [>], _73854)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_134482, _134484), once(user:catch(read_from_chars([-, >], _73854), _134458, fail)), '$restore_trace'(_134482, _134484))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_134482, _134484))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _134458, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _141982)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _143840)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _151578)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _154282)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _169360)
   Exit: (188) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _174930)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _176788)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _190942)
   Exit: (189) [system] get_char((0x558d99e6bec0), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _174930)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _208584)
   Call: (191) [system] peek_char((0x558d99e6bec0), _209518)
   Exit: (191) [system] peek_char((0x558d99e6bec0), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Fail: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_214238, v('(', ')', end_of_file), t)
   Fail: (192) [system] arg(_215170, v('(', ')', end_of_file), t)
^  Fail: (191) [user] is_delimiter(t)
   Call: (191) [system] ')'==t
   Fail: (191) [system] ')'==t
   Call: (191) [system] get_char((0x558d99e6bec0), t)
   Exit: (191) [system] get_char((0x558d99e6bec0), t)
   Call: (191) [system] t=(\)
   Fail: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _222520)
   Call: (192) [system] peek_char((0x558d99e6bec0), _223454)
   Exit: (192) [system] peek_char((0x558d99e6bec0), o)
^  Call: (192) [user] is_delimiter(o)
   Call: (193) [system] char_type(o, space)
   Fail: (193) [system] char_type(o, space)
   Call: (193) [system] arg(_228174, v('(', ')', end_of_file), o)
   Fail: (193) [system] arg(_229106, v('(', ')', end_of_file), o)
^  Fail: (192) [user] is_delimiter(o)
   Call: (192) [system] ')'==o
   Fail: (192) [system] ')'==o
   Call: (192) [system] get_char((0x558d99e6bec0), o)
   Exit: (192) [system] get_char((0x558d99e6bec0), o)
   Call: (192) [system] o=(\)
   Fail: (192) [system] o=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _236456)
   Call: (193) [system] peek_char((0x558d99e6bec0), _237390)
   Exit: (193) [system] peek_char((0x558d99e6bec0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_242110, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_243042, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x558d99e6bec0), m)
   Exit: (193) [system] get_char((0x558d99e6bec0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _250392)
   Call: (194) [system] peek_char((0x558d99e6bec0), _251326)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (194) [user] is_delimiter(')')
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] arg(_256046, v('(', ')', end_of_file), ')')
   Exit: (195) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (194) [user] is_delimiter(')')
   Call: (194) [system] _250392=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _236456=[m]
   Exit: (193) [system] [m]=[m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (192) [system] _222520=[o, m]
   Exit: (192) [system] [o, m]=[o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, m])
   Call: (191) [system] _208584=[t, o, m]
   Exit: (191) [system] [t, o, m]=[t, o, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, m])
^  Call: (190) [user] classify_and_convert_charseq('A', [t, o, m], _174930)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_270890, _270892), once(user:catch(read_from_chars(['A', t, o, m], _174930), _270866, fail)), '$restore_trace'(_270890, _270892))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_270890, _270892))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _174930), _270866, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_174930)
   Fail: (191) [system] atomic(_174930)
   Call: (191) [system] atom_chars(_174930, ['A', t, o, m])
   Exit: (191) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (190) [user] classify_and_convert_charseq('A', [t, o, m], 'Atom')
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'Atom')
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), 'Atom')
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _280266)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _282124)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _296278)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _300068)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _280266=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _141982=['Atom']
   Exit: (188) [system] ['Atom']=['Atom']
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), ['Atom'])
   Call: (187) [system] _32548=[->, 'Atom']
   Exit: (187) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [->, 'Atom'])
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), [->, 'Atom'])
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _311156)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _313014)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _327168)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _330958)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _311156=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _3370=[[->, 'Atom']]
   Exit: (185) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [[->, 'Atom']])
   Call: (184) [system] _3364=[kb, [->, 'Atom']]
   Exit: (184) [system] [kb, [->, 'Atom']]=[kb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [kb, [->, 'Atom']])
   Call: (183) [system] _3324=[:, kb, [->, 'Atom']]
   Exit: (183) [system] [:, kb, [->, 'Atom']]=[:, kb, [->, 'Atom']]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [:, kb, [->, 'Atom']])
^  Exit: (181) [user] cont_sexpr(')', (0x558d99e6bec0), [:, kb, [->, 'Atom']])
^  Exit: (180) [user] read_sexpr((0x558d99e6bec0), [:, kb, [->, 'Atom']])
^  Call: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (178) [system] once(user:(read_position((0x558d99e6bec0), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966)), read_sexpr((0x558d99e6bec0), [:, kb, [->, 'Atom']]), assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_349476, _349478, _349480, _349482, _349484))
^  Exit: (178) [user] retract(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _352324))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _352324)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _352324)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _355140))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _355140))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _355140)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _357940))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _357940)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _357940)
   Call: (188) [system] var('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] atom('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==true
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==false
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==[_364460, _364466]
   Call: (188) [system] is_list('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] string('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Exit: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _369094, _369096)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _372836)
   Call: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _372836, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", _374716)
   Call: (191) [system] var(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==true
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==false
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==[_379358, _379364]
   Call: (191) [system] is_list(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
   Exit: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Fail: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
^  Fail: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=_374716
   Exit: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
^  Exit: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [apply] apply:maplist_([44, 0], _374718, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(44, _393238)
   Call: (192) [system] var(44)
   Call: (192) [system] atom(44)
   Call: (192) [system] 44==true
   Call: (192) [system] 44==false
   Call: (192) [system] 44==[_397880, _397886]
   Call: (192) [system] is_list(44)
   Call: (192) [system] string(44)
   Call: (192) [system] compound(44)
^  Call: (192) [user] symbol(44)
   Call: (193) [system] atom(44)
   Fail: (193) [system] atom(44)
^  Fail: (192) [user] symbol(44)
   Call: (192) [system] 44=_393238
   Exit: (192) [system] 44=44
^  Exit: (191) [user] mfix_vars1(44, 44)
   Call: (191) [apply] apply:maplist_([0], _393240, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _409004)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_413646, _413652]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_409004
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _409006, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([44, 0], [44, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] compound_name_arguments(_357940, '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _437822))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _437822))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _437822)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _440622))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _440622)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _440622)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _352324))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _352324))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _352324)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _454580))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _454580)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _454580)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (179) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1726258747_317601, 92)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258756.4574585)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258756.4574585-1726258756.3628235
   Exit: (173) [system] 0.094635009765625 is 1726258756.4574585-1726258756.3628235
   Call: (173) [system] 0.094635009765625>4
   Fail: (173) [system] 0.094635009765625>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 10)
   Call: (175) [system] atom(10+1)
   Call: (175) [system] set_flag(translated_forms, 11)
   Exit: (175) [system] set_flag(translated_forms, 11)
   Exit: (174) [$syspreds] update_flag(translated_forms, 10, 10+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 10, 10+1))
   Exit: (171) [$syspreds] flag(translated_forms, 10, 10+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1726258747_317601, 92)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1726258747_317601, 92)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 10, 10+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), ynthesize_long_1726258747_317601, 92)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 94)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 94))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 94))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _530292)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _537714)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _546052)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _548838=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _550706, _550708, _550710, _550712), read_sexpr((0x558d99e6bec0), _550724), assertz(metta_file_comment(_550706, _550708, _550710, _550724, _550712))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _550706, _550708, _550710, _550712)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_550712))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_550712))
   Exit: (181) [system] nonvar(position(_550712))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(3983, 95, 0, 3983)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), _550706)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _560964)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), _550706)
   Exit: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), 95)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), 95)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), _550708)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _568398)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), _550708)
   Exit: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), _550710)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _575832)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), _550710)
   Exit: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), 3983)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), 3983)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _550724)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _550724)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _586058)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _600212)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _550724)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _605782)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _619936)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _625506)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _627364)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _641518)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _625506)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _659160)
   Call: (185) [system] peek_char((0x558d99e6bec0), _660094)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _659160=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _625506)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_669404, _669406), once(user:catch(read_from_chars([=], _625506), _669380, fail)), '$restore_trace'(_669404, _669406))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_669404, _669406))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _669380, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _676904)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _678762)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _686500)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _689204)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _704282)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _709852)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _711710)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _725864)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _709852)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _731434)
   Exit: (186) [system] peek_char((0x558d99e6bec0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _745588)
   Exit: (185) [system] peek_char((0x558d99e6bec0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _751158)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _753016)
   Exit: (187) [system] peek_char((0x558d99e6bec0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _767170)
   Exit: (186) [system] get_char((0x558d99e6bec0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, _751158)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _784812)
   Call: (188) [system] peek_char((0x558d99e6bec0), _785746)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_790466, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_791398, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _798748)
   Call: (189) [system] peek_char((0x558d99e6bec0), _799682)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_804402, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _798748=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _784812=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _751158)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_813658, _813660), once(user:catch(read_from_chars([k, b], _751158), _813634, fail)), '$restore_trace'(_813658, _813660))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_813658, _813660))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _813634, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _821158)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _823016)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _837170)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _840960)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _821158=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _709852=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [kb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _849254)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _851112)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _858850)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _861554)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _876632)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _882202)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _884060)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _898214)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _882202)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _903784)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _917938)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _923508)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _925366)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _939520)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _923508)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _957162)
   Call: (189) [system] peek_char((0x558d99e6bec0), _958096)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _957162=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _923508)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_967406, _967408), once(user:catch(read_from_chars([:], _923508), _967382, fail)), '$restore_trace'(_967406, _967408))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_967406, _967408))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _967382, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _974906)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _976764)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _984502)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _987206)
   Exit: (189) [system] peek_char((0x558d99e6bec0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1002284)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1007854)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1009712)
   Exit: (189) [system] peek_char((0x558d99e6bec0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1023866)
   Exit: (188) [system] get_char((0x558d99e6bec0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), a, _1007854)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1041508)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1042442)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1041508=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (189) [user] classify_and_convert_charseq(a, [], _1007854)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1051752, _1051754), once(user:catch(read_from_chars([a], _1007854), _1051728, fail)), '$restore_trace'(_1051752, _1051754))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1051752, _1051754))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1051728, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(a)
   Exit: (190) [system] atomic(a)
^  Exit: (189) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1059252)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1061110)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1068848)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1071552)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1086630)
   Exit: (188) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (188) [system] 'A'=')'
   Fail: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
   Fail: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1092200)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1094058)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (190) [system] 'A'=(;)
   Fail: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Fail: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Fail: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Fail: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
   Fail: (191) [system] char_type('A', cntrl)
^  Fail: (190) [user] is_like_space('A')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1108212)
   Exit: (189) [system] get_char((0x558d99e6bec0), 'A')
   Call: (189) [system] 'A'='('
   Fail: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Fail: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Fail: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Fail: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Fail: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Fail: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Fail: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1092200)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1125854)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1126788)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_1131508, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _1125854=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (190) [user] classify_and_convert_charseq('A', [], _1092200)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1137970, _1137972), once(user:catch(read_from_chars(['A'], _1092200), _1137946, fail)), '$restore_trace'(_1137970, _1137972))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1137970, _1137972))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1092200), _1137946, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1092200)
   Fail: (191) [system] atomic(_1092200)
   Call: (191) [system] atom_chars(_1092200, ['A'])
   Exit: (191) [system] atom_chars('A', ['A'])
^  Exit: (190) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1147346)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1149204)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1163358)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1167148)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1147346=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1059252=['A']
   Exit: (188) [system] ['A']=['A']
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (187) [system] _974906=[a, 'A']
   Exit: (187) [system] [a, 'A']=[a, 'A']
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [a, 'A'])
   Call: (186) [system] _882202=[:, a, 'A']
   Exit: (186) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, a, 'A'])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'A'])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1181030)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1182888)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1197042)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1200832)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1181030=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _849254=[[:, a, 'A']]
   Exit: (184) [system] [[:, a, 'A']]=[[:, a, 'A']]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'A']])
   Call: (183) [system] _676904=[[kb], [:, a, 'A']]
   Exit: (183) [system] [[kb], [:, a, 'A']]=[[kb], [:, a, 'A']]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[kb], [:, a, 'A']])
   Call: (182) [system] _550724=[=, [kb], [:, a, 'A']]
   Exit: (182) [system] [=, [kb], [:, a, 'A']]=[=, [kb], [:, a, 'A']]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [kb], [:, a, 'A']])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [kb], [:, a, 'A']])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [kb], [:, a, 'A']])
^  Call: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983)), read_sexpr((0x558d99e6bec0), [=, [kb], [:, a, 'A']]), assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1219350, _1219352, _1219354, _1219356, _1219358))
^  Exit: (177) [user] retract(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _1222186))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _1222186)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), _1222186)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1225002))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1225002))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1225002)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1227802))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1227802)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), _1227802)
   Call: (187) [system] var('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] atom('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==true
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==false
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==[_1234322, _1234328]
   Call: (187) [system] is_list('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] string('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Exit: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), _1238956, _1238958)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;         programs.", 45, 0], _1242698)
   Call: (188) [apply] apply:maplist_([";;         programs.", 45, 0], _1242698, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;         programs.", _1244578)
   Call: (190) [system] var(";;         programs.")
   Call: (190) [system] atom(";;         programs.")
   Call: (190) [system] ";;         programs."==true
   Call: (190) [system] ";;         programs."==false
   Call: (190) [system] ";;         programs."==[_1249220, _1249226]
   Call: (190) [system] is_list(";;         programs.")
   Call: (190) [system] string(";;         programs.")
   Exit: (190) [system] string(";;         programs.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;         programs.")
^  Call: (190) [user] symbol(";;         programs.")
   Call: (191) [system] atom(";;         programs.")
   Fail: (191) [system] atom(";;         programs.")
^  Fail: (190) [user] symbol(";;         programs.")
   Call: (190) [system] ";;         programs."=_1244578
   Exit: (190) [system] ";;         programs."=";;         programs."
^  Exit: (189) [user] mfix_vars1(";;         programs.", ";;         programs.")
   Call: (189) [apply] apply:maplist_([45, 0], _1244580, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(45, _1263100)
   Call: (191) [system] var(45)
   Call: (191) [system] atom(45)
   Call: (191) [system] 45==true
   Call: (191) [system] 45==false
   Call: (191) [system] 45==[_1267742, _1267748]
   Call: (191) [system] is_list(45)
   Call: (191) [system] string(45)
   Call: (191) [system] compound(45)
^  Call: (191) [user] symbol(45)
   Call: (192) [system] atom(45)
   Fail: (192) [system] atom(45)
^  Fail: (191) [user] symbol(45)
   Call: (191) [system] 45=_1263100
   Exit: (191) [system] 45=45
^  Exit: (190) [user] mfix_vars1(45, 45)
   Call: (190) [apply] apply:maplist_([0], _1263102, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1278866)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1283508, _1283514]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1278866
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1278868, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([45, 0], [45, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;         programs.", 45, 0], [";;         programs.", 45, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;         programs.", 45, 0], [";;         programs.", 45, 0])
   Call: (187) [system] compound_name_arguments(_1227802, '$COMMENT', [";;         programs.", 45, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1307684))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1307684))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1307684)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1310484))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1310484)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), _1310484)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1222186))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1222186))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1222186)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1324442))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1324442)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), _1324442)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (178) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1726258747_317601, 94)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258756.5596259)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258756.5596259-1726258756.3628235
   Exit: (173) [system] 0.19680237770080566 is 1726258756.5596259-1726258756.3628235
   Call: (173) [system] 0.19680237770080566>4
   Fail: (173) [system] 0.19680237770080566>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 11)
   Call: (175) [system] atom(11+1)
   Call: (175) [system] set_flag(translated_forms, 12)
   Exit: (175) [system] set_flag(translated_forms, 12)
   Exit: (174) [$syspreds] update_flag(translated_forms, 11, 11+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 11, 11+1))
   Exit: (171) [$syspreds] flag(translated_forms, 11, 11+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1726258747_317601, 94)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;         programs."])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;         programs."])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1726258747_317601, 94)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 11, 11+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;         programs.", 45, 0), ynthesize_long_1726258747_317601, 94)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 95)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 95))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 95))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1399226)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1406648)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1414986)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1417772=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1419640, _1419642, _1419644, _1419646), read_sexpr((0x558d99e6bec0), _1419658), assertz(metta_file_comment(_1419640, _1419642, _1419644, _1419658, _1419646))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1419640, _1419642, _1419644, _1419646)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1419646))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1419646))
   Exit: (181) [system] nonvar(position(_1419646))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4000, 96, 0, 4000)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), _1419640)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1429898)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), _1419640)
   Exit: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), 96)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), 96)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), _1419642)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1437332)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), _1419642)
   Exit: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), _1419644)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1444766)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), _1419644)
   Exit: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), 4000)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), 4000)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1419658)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1419658)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1454992)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1469146)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1419658)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1474716)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1488870)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1494440)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1496298)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1510452)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1494440)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1528094)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1529028)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1528094=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1494440)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1538338, _1538340), once(user:catch(read_from_chars([=], _1494440), _1538314, fail)), '$restore_trace'(_1538338, _1538340))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1538338, _1538340))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1538314, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1545838)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1547696)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1555434)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1558138)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1573216)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1578786)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1580644)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1594798)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1578786)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1600368)
   Exit: (186) [system] peek_char((0x558d99e6bec0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1614522)
   Exit: (185) [system] peek_char((0x558d99e6bec0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1620092)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1621950)
   Exit: (187) [system] peek_char((0x558d99e6bec0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1636104)
   Exit: (186) [system] get_char((0x558d99e6bec0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, _1620092)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1653746)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1654680)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1659400, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1660332, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1667682)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1668616)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1673336, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1667682=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1653746=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _1620092)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1682592, _1682594), once(user:catch(read_from_chars([k, b], _1620092), _1682568, fail)), '$restore_trace'(_1682592, _1682594))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1682592, _1682594))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1682568, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1690092)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1691950)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1706104)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _1709894)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _1690092=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _1578786=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [kb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1718188)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1720046)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _1727784)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1730488)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1745566)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1751136)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1752994)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _1767148)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1751136)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1772718)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1786872)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1792442)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1794300)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1808454)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _1792442)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1826096)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1827030)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1826096=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1792442)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1836340, _1836342), once(user:catch(read_from_chars([:], _1792442), _1836316, fail)), '$restore_trace'(_1836340, _1836342))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1836340, _1836342))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1836316, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1843840)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1845698)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1853436)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1856140)
   Exit: (189) [system] peek_char((0x558d99e6bec0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1871218)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1876788)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1878646)
   Exit: (189) [system] peek_char((0x558d99e6bec0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1892800)
   Exit: (188) [system] get_char((0x558d99e6bec0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), a, _1876788)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1910442)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1911376)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1910442=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (189) [user] classify_and_convert_charseq(a, [], _1876788)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1920686, _1920688), once(user:catch(read_from_chars([a], _1876788), _1920662, fail)), '$restore_trace'(_1920686, _1920688))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1920686, _1920688))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1920662, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(a)
   Exit: (190) [system] atomic(a)
^  Exit: (189) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1928186)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1930044)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1937782)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1940486)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1955564)
   Exit: (188) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (188) [system] 'B'=')'
   Fail: (188) [system] 'B'=')'
   Call: (188) [system] 'B'=end_of_file
   Fail: (188) [system] 'B'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1961134)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1962992)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (190) [system] 'B'=(;)
   Fail: (190) [system] 'B'=(;)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Fail: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Fail: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Fail: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
   Fail: (191) [system] char_type('B', cntrl)
^  Fail: (190) [user] is_like_space('B')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1977146)
   Exit: (189) [system] get_char((0x558d99e6bec0), 'B')
   Call: (189) [system] 'B'='('
   Fail: (189) [system] 'B'='('
   Call: (189) [system] 'B'='['
   Fail: (189) [system] 'B'='['
   Call: (189) [system] 'B'='{'
   Fail: (189) [system] 'B'='{'
   Call: (189) [system] 'B'='"'
   Fail: (189) [system] 'B'='"'
   Call: (189) [system] 'B'=!
   Fail: (189) [system] 'B'=!
   Call: (189) [system] 'B'='\''
   Fail: (189) [system] 'B'='\''
   Call: (189) [system] 'B'='`'
   Fail: (189) [system] 'B'='`'
   Call: (189) [system] 'B'=end_of_file
   Fail: (189) [system] 'B'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1961134)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1994788)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1995722)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_2000442, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _1994788=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (190) [user] classify_and_convert_charseq('B', [], _1961134)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2006904, _2006906), once(user:catch(read_from_chars(['B'], _1961134), _2006880, fail)), '$restore_trace'(_2006904, _2006906))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2006904, _2006906))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1961134), _2006880, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1961134)
   Fail: (191) [system] atomic(_1961134)
   Call: (191) [system] atom_chars(_1961134, ['B'])
   Exit: (191) [system] atom_chars('B', ['B'])
^  Exit: (190) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _2016280)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2018138)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2032292)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _2036082)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _2016280=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1928186=['B']
   Exit: (188) [system] ['B']=['B']
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (187) [system] _1843840=[a, 'B']
   Exit: (187) [system] [a, 'B']=[a, 'B']
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [a, 'B'])
   Call: (186) [system] _1751136=[:, a, 'B']
   Exit: (186) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, a, 'B'])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'B'])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _2049964)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2051822)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _2065976)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _2069766)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _2049964=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _1718188=[[:, a, 'B']]
   Exit: (184) [system] [[:, a, 'B']]=[[:, a, 'B']]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'B']])
   Call: (183) [system] _1545838=[[kb], [:, a, 'B']]
   Exit: (183) [system] [[kb], [:, a, 'B']]=[[kb], [:, a, 'B']]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[kb], [:, a, 'B']])
   Call: (182) [system] _1419658=[=, [kb], [:, a, 'B']]
   Exit: (182) [system] [=, [kb], [:, a, 'B']]=[=, [kb], [:, a, 'B']]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [kb], [:, a, 'B']])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [kb], [:, a, 'B']])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [kb], [:, a, 'B']])
^  Call: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000)), read_sexpr((0x558d99e6bec0), [=, [kb], [:, a, 'B']]), assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2088284, _2088286, _2088288, _2088290, _2088292))
^  Exit: (177) [user] retract(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _2091116))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _2091116)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), _2091116)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _2093932))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _2093932))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _2093932)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 46, 0), _3360))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 46, 0), _3360)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), _3360)
   Call: (187) [system] var('$COMMENT'(";;", 46, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 46, 0))
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==[_9744, _9750]
   Call: (187) [system] is_list('$COMMENT'(";;", 46, 0))
   Call: (187) [system] string('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), _14378, _14380)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 46, 0], _18120)
   Call: (188) [apply] apply:maplist_([";;", 46, 0], _18120, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _20000)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_24642, _24648]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_20000
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([46, 0], _20002, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(46, _38522)
   Call: (191) [system] var(46)
   Call: (191) [system] atom(46)
   Call: (191) [system] 46==true
   Call: (191) [system] 46==false
   Call: (191) [system] 46==[_43164, _43170]
   Call: (191) [system] is_list(46)
   Call: (191) [system] string(46)
   Call: (191) [system] compound(46)
^  Call: (191) [user] symbol(46)
   Call: (192) [system] atom(46)
   Fail: (192) [system] atom(46)
^  Fail: (191) [user] symbol(46)
   Call: (191) [system] 46=_38522
   Exit: (191) [system] 46=46
^  Exit: (190) [user] mfix_vars1(46, 46)
   Call: (190) [apply] apply:maplist_([0], _38524, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _54288)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_58930, _58936]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_54288
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _54290, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([46, 0], [46, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 46, 0], [";;", 46, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 46, 0], [";;", 46, 0])
   Call: (187) [system] compound_name_arguments(_3360, '$COMMENT', [";;", 46, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 46, 0), _83106))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), _83106))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), _83106)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 46, 0), _85906))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 46, 0), _85906)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), _85906)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 46, 0), _3324))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), _3324))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), _3324)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 46, 0), _99864))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 46, 0), _99864)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), _99864)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (178) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";;", 46, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;", 46, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";;", 46, 0)))
   Call: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 46, 0), ynthesize_long_1726258747_317601, 95)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258756.6630628)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258756.6630628-1726258756.3628235
   Exit: (173) [system] 0.30023932456970215 is 1726258756.6630628-1726258756.3628235
   Call: (173) [system] 0.30023932456970215>4
   Fail: (173) [system] 0.30023932456970215>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 12)
   Call: (175) [system] atom(12+1)
   Call: (175) [system] set_flag(translated_forms, 13)
   Exit: (175) [system] set_flag(translated_forms, 13)
   Exit: (174) [$syspreds] update_flag(translated_forms, 12, 12+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 12, 12+1))
   Exit: (171) [$syspreds] flag(translated_forms, 12, 12+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 46, 0), ynthesize_long_1726258747_317601, 95)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 46, 0), ynthesize_long_1726258747_317601, 95)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 12, 12+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";;", 46, 0), ynthesize_long_1726258747_317601, 95)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 96)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 96))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 96))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _174648)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _182070)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _190408)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _193194=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _195062, _195064, _195066, _195068), read_sexpr((0x558d99e6bec0), _195080), assertz(metta_file_comment(_195062, _195064, _195066, _195080, _195068))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _195062, _195064, _195066, _195068)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_195068))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_195068))
   Exit: (181) [system] nonvar(position(_195068))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4017, 97, 0, 4017)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), _195062)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _205320)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), _195062)
   Exit: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), 97)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), 97)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), _195064)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _212754)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), _195064)
   Exit: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), _195066)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _220188)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), _195066)
   Exit: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), 4017)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), 4017)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _195080)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _195080)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _230414)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _244568)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _195080)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _250138)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _264292)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _269862)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _271720)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _285874)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _269862)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _303516)
   Call: (185) [system] peek_char((0x558d99e6bec0), _304450)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _303516=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _269862)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_313760, _313762), once(user:catch(read_from_chars([=], _269862), _313736, fail)), '$restore_trace'(_313760, _313762))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_313760, _313762))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _313736, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _321260)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _323118)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _330856)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _333560)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _348638)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _354208)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _356066)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _370220)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _354208)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _375790)
   Exit: (186) [system] peek_char((0x558d99e6bec0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _389944)
   Exit: (185) [system] peek_char((0x558d99e6bec0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _395514)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _397372)
   Exit: (187) [system] peek_char((0x558d99e6bec0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _411526)
   Exit: (186) [system] get_char((0x558d99e6bec0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, _395514)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _429168)
   Call: (188) [system] peek_char((0x558d99e6bec0), _430102)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_434822, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_435754, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443104)
   Call: (189) [system] peek_char((0x558d99e6bec0), _444038)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_448758, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _443104=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _429168=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _395514)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_458014, _458016), once(user:catch(read_from_chars([k, b], _395514), _457990, fail)), '$restore_trace'(_458014, _458016))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_458014, _458016))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _457990, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _465514)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _467372)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _481526)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _485316)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _465514=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _354208=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [kb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _493610)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _495468)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _503206)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _505910)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _520988)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _526558)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _528416)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _542570)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _526558)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _548140)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _562294)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _567864)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _569722)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _583876)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _567864)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _601518)
   Call: (189) [system] peek_char((0x558d99e6bec0), _602452)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _601518=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _567864)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_611762, _611764), once(user:catch(read_from_chars([:], _567864), _611738, fail)), '$restore_trace'(_611762, _611764))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_611762, _611764))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _611738, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _619262)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _621120)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _628858)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _631562)
   Exit: (189) [system] peek_char((0x558d99e6bec0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _646640)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=')'
   Fail: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
   Fail: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _652210)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _654068)
   Exit: (189) [system] peek_char((0x558d99e6bec0), a)
   Call: (189) [system] a=(;)
   Fail: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Fail: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Fail: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Fail: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
   Fail: (190) [system] char_type(a, cntrl)
^  Fail: (189) [user] is_like_space(a)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _668222)
   Exit: (188) [system] get_char((0x558d99e6bec0), a)
   Call: (188) [system] a='('
   Fail: (188) [system] a='('
   Call: (188) [system] a='['
   Fail: (188) [system] a='['
   Call: (188) [system] a='{'
   Fail: (188) [system] a='{'
   Call: (188) [system] a='"'
   Fail: (188) [system] a='"'
   Call: (188) [system] a=!
   Fail: (188) [system] a=!
   Call: (188) [system] a='\''
   Fail: (188) [system] a='\''
   Call: (188) [system] a='`'
   Fail: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
   Fail: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), a, _652210)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _685864)
   Call: (190) [system] peek_char((0x558d99e6bec0), _686798)
   Exit: (190) [system] peek_char((0x558d99e6bec0), b)
^  Call: (190) [user] is_delimiter(b)
   Call: (191) [system] char_type(b, space)
   Fail: (191) [system] char_type(b, space)
   Call: (191) [system] arg(_691518, v('(', ')', end_of_file), b)
   Fail: (191) [system] arg(_692450, v('(', ')', end_of_file), b)
^  Fail: (190) [user] is_delimiter(b)
   Call: (190) [system] ')'==b
   Fail: (190) [system] ')'==b
   Call: (190) [system] get_char((0x558d99e6bec0), b)
   Exit: (190) [system] get_char((0x558d99e6bec0), b)
   Call: (190) [system] b=(\)
   Fail: (190) [system] b=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _699800)
   Call: (191) [system] peek_char((0x558d99e6bec0), _700734)
   Exit: (191) [system] peek_char((0x558d99e6bec0), c)
^  Call: (191) [user] is_delimiter(c)
   Call: (192) [system] char_type(c, space)
   Fail: (192) [system] char_type(c, space)
   Call: (192) [system] arg(_705454, v('(', ')', end_of_file), c)
   Fail: (192) [system] arg(_706386, v('(', ')', end_of_file), c)
^  Fail: (191) [user] is_delimiter(c)
   Call: (191) [system] ')'==c
   Fail: (191) [system] ')'==c
   Call: (191) [system] get_char((0x558d99e6bec0), c)
   Exit: (191) [system] get_char((0x558d99e6bec0), c)
   Call: (191) [system] c=(\)
   Fail: (191) [system] c=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713736)
   Call: (192) [system] peek_char((0x558d99e6bec0), _714670)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _713736=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _699800=[c]
   Exit: (191) [system] [c]=[c]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (190) [system] _685864=[b, c]
   Exit: (190) [system] [b, c]=[b, c]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (189) [user] classify_and_convert_charseq(a, [b, c], _652210)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_729568, _729570), once(user:catch(read_from_chars([a, b, c], _652210), _729544, fail)), '$restore_trace'(_729568, _729570))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_729568, _729570))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _729544, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(abc)
   Exit: (190) [system] atomic(abc)
^  Exit: (189) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _737068)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _738926)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _746664)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _749368)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _764446)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _770016)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _771874)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _786028)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _770016)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _791598)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _805752)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _811322)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _813180)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _827334)
   Exit: (191) [system] get_char((0x558d99e6bec0), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _811322)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _844976)
   Call: (193) [system] peek_char((0x558d99e6bec0), _845910)
   Exit: (193) [system] peek_char((0x558d99e6bec0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_850630, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_851562, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x558d99e6bec0), m)
   Exit: (193) [system] get_char((0x558d99e6bec0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _858912)
   Call: (194) [system] peek_char((0x558d99e6bec0), _859846)
   Exit: (194) [system] peek_char((0x558d99e6bec0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_864566, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_865498, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x558d99e6bec0), p)
   Exit: (194) [system] get_char((0x558d99e6bec0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _872848)
   Call: (195) [system] peek_char((0x558d99e6bec0), _873782)
   Exit: (195) [system] peek_char((0x558d99e6bec0), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_878502, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_879434, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x558d99e6bec0), l)
   Exit: (195) [system] get_char((0x558d99e6bec0), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _886784)
   Call: (196) [system] peek_char((0x558d99e6bec0), _887718)
   Exit: (196) [system] peek_char((0x558d99e6bec0), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_892438, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_893370, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x558d99e6bec0), i)
   Exit: (196) [system] get_char((0x558d99e6bec0), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _900720)
   Call: (197) [system] peek_char((0x558d99e6bec0), _901654)
   Exit: (197) [system] peek_char((0x558d99e6bec0), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_906374, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_907306, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x558d99e6bec0), c)
   Exit: (197) [system] get_char((0x558d99e6bec0), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _914656)
   Call: (198) [system] peek_char((0x558d99e6bec0), _915590)
   Exit: (198) [system] peek_char((0x558d99e6bec0), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_920310, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_921242, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x558d99e6bec0), a)
   Exit: (198) [system] get_char((0x558d99e6bec0), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _928592)
   Call: (199) [system] peek_char((0x558d99e6bec0), _929526)
   Exit: (199) [system] peek_char((0x558d99e6bec0), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_934246, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_935178, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x558d99e6bec0), t)
   Exit: (199) [system] get_char((0x558d99e6bec0), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _942528)
   Call: (200) [system] peek_char((0x558d99e6bec0), _943462)
   Exit: (200) [system] peek_char((0x558d99e6bec0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_948182, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_949114, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x558d99e6bec0), i)
   Exit: (200) [system] get_char((0x558d99e6bec0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _956464)
   Call: (201) [system] peek_char((0x558d99e6bec0), _957398)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_962118, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_963050, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _970400)
   Call: (202) [system] peek_char((0x558d99e6bec0), _971334)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_976054, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_976986, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _984336)
   Call: (203) [system] peek_char((0x558d99e6bec0), _985270)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _984336=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _970400=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (201) [system] _956464=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (200) [system] _942528=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (199) [system] _928592=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (198) [system] _914656=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (197) [system] _900720=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (196) [system] _886784=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (195) [system] _872848=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _858912=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _844976=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _811322)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1022520, _1022522), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _811322), _1022496, fail)), '$restore_trace'(_1022520, _1022522))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1022520, _1022522))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _811322), _1022496, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_811322)
   Fail: (193) [system] atomic(_811322)
   Call: (193) [system] atom_chars(_811322, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (193) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1031896)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1033754)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1041492)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1044196)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1059274)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1064844)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1066702)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1080856)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1064844)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1086426)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1100580)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1106150)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1108008)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1122162)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1106150)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1139804)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1140738)
   Exit: (196) [system] peek_char((0x558d99e6bec0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_1145458, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_1146390, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x558d99e6bec0), n)
   Exit: (196) [system] get_char((0x558d99e6bec0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1153740)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1154674)
   Exit: (197) [system] peek_char((0x558d99e6bec0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1159394, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_1160326, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x558d99e6bec0), d)
   Exit: (197) [system] get_char((0x558d99e6bec0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1167676)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1168610)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_1173330, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_1174262, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1181612)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1182546)
   Exit: (199) [system] peek_char((0x558d99e6bec0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1187266, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1188198, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x558d99e6bec0), i)
   Exit: (199) [system] get_char((0x558d99e6bec0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1195548)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1196482)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1201202, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1202134, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1209484)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1210418)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1215138, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1216070, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1223420)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1224354)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1223420=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1209484=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (200) [system] _1195548=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (199) [system] _1181612=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (198) [system] _1167676=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (197) [system] _1153740=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (196) [system] _1139804=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1106150)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1250428, _1250430), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1106150), _1250404, fail)), '$restore_trace'(_1250428, _1250430))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1250428, _1250430))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1106150), _1250404, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1106150)
   Fail: (196) [system] atomic(_1106150)
   Call: (196) [system] atom_chars(_1106150, ['A', n, d, 'L', i, n, k])
   Exit: (196) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1259804)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1261662)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1269400)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1272104)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1287182)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1292752)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1294610)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1308764)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1292752)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1326406)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1327340)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1326406=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('A', [], _1292752)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1336650, _1336652), once(user:catch(read_from_chars(['A'], _1292752), _1336626, fail)), '$restore_trace'(_1336650, _1336652))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1336650, _1336652))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1292752), _1336626, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1292752)
   Fail: (197) [system] atomic(_1292752)
   Call: (197) [system] atom_chars(_1292752, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1346026)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1347884)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1355622)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1358326)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1373404)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1378974)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1380832)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1394986)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1378974)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1412628)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1413562)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1418282, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1412628=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq('B', [], _1378974)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1424744, _1424746), once(user:catch(read_from_chars(['B'], _1378974), _1424720, fail)), '$restore_trace'(_1424744, _1424746))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1424744, _1424746))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1378974), _1424720, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1378974)
   Fail: (198) [system] atomic(_1378974)
   Call: (198) [system] atom_chars(_1378974, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1434120)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1435978)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1450132)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1453922)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1434120=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1346026=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (194) [system] _1259804=['A', 'B']
   Exit: (194) [system] ['A', 'B']=['A', 'B']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (193) [system] _1064844=['AndLink', 'A', 'B']
   Exit: (193) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1467804)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1469662)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1477400)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1480104)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1495182)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (192) [system] 'C'=')'
   Fail: (192) [system] 'C'=')'
   Call: (192) [system] 'C'=end_of_file
   Fail: (192) [system] 'C'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1500752)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1502610)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (194) [system] 'C'=(;)
   Fail: (194) [system] 'C'=(;)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Fail: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Fail: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Fail: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
   Fail: (195) [system] char_type('C', cntrl)
^  Fail: (194) [user] is_like_space('C')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1516764)
   Exit: (193) [system] get_char((0x558d99e6bec0), 'C')
   Call: (193) [system] 'C'='('
   Fail: (193) [system] 'C'='('
   Call: (193) [system] 'C'='['
   Fail: (193) [system] 'C'='['
   Call: (193) [system] 'C'='{'
   Fail: (193) [system] 'C'='{'
   Call: (193) [system] 'C'='"'
   Fail: (193) [system] 'C'='"'
   Call: (193) [system] 'C'=!
   Fail: (193) [system] 'C'=!
   Call: (193) [system] 'C'='\''
   Fail: (193) [system] 'C'='\''
   Call: (193) [system] 'C'='`'
   Fail: (193) [system] 'C'='`'
   Call: (193) [system] 'C'=end_of_file
   Fail: (193) [system] 'C'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1500752)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1534406)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1535340)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1540060, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1534406=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq('C', [], _1500752)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1546522, _1546524), once(user:catch(read_from_chars(['C'], _1500752), _1546498, fail)), '$restore_trace'(_1546522, _1546524))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1546522, _1546524))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1500752), _1546498, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1500752)
   Fail: (195) [system] atomic(_1500752)
   Call: (195) [system] atom_chars(_1500752, ['C'])
   Exit: (195) [system] atom_chars('C', ['C'])
^  Exit: (194) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1555898)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1557756)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1571910)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1575700)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1555898=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1467804=['C']
   Exit: (192) [system] ['C']=['C']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (191) [system] _1031896=[['AndLink', 'A', 'B'], 'C']
   Exit: (191) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (190) [system] _770016=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (190) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1589582)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1591440)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1605594)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1609384)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1589582=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _737068=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (188) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (187) [system] _619262=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (187) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (186) [system] _526558=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (186) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1623266)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1625124)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1639278)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1643068)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1623266=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _493610=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (184) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (183) [system] _321260=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (183) [system] [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (182) [system] _195080=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (182) [system] [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017)), read_sexpr((0x558d99e6bec0), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]), assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1661586, _1661588, _1661590, _1661592, _1661594))
^  Exit: (177) [user] retract(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1664434))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1664434)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1664434)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1667250))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1667250))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1667250)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1670050))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1670050)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1670050)
   Call: (187) [system] var('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] atom('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==true
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==false
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==[_1676570, _1676576]
   Call: (187) [system] is_list('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] string('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Exit: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1681204, _1681206)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _1684946)
   Call: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _1684946, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", _1686826)
   Call: (190) [system] var(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==true
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==false
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==[_1691468, _1691474]
   Call: (190) [system] is_list(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
   Exit: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Fail: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
^  Fail: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=_1686826
   Exit: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
^  Exit: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (189) [apply] apply:maplist_([47, 0], _1686828, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(47, _1705348)
   Call: (191) [system] var(47)
   Call: (191) [system] atom(47)
   Call: (191) [system] 47==true
   Call: (191) [system] 47==false
   Call: (191) [system] 47==[_1709990, _1709996]
   Call: (191) [system] is_list(47)
   Call: (191) [system] string(47)
   Call: (191) [system] compound(47)
^  Call: (191) [user] symbol(47)
   Call: (192) [system] atom(47)
   Fail: (192) [system] atom(47)
^  Fail: (191) [user] symbol(47)
   Call: (191) [system] 47=_1705348
   Exit: (191) [system] 47=47
^  Exit: (190) [user] mfix_vars1(47, 47)
   Call: (190) [apply] apply:maplist_([0], _1705350, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1721114)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1725756, _1725762]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1721114
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1721116, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([47, 0], [47, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] compound_name_arguments(_1670050, '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1749932))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1749932))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1749932)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1752732))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1752732)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1752732)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1664434))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1664434))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1664434)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1766690))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1766690)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1766690)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (178) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1726258747_317601, 96)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258756.8616827)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258756.8616827-1726258756.3628235
   Exit: (173) [system] 0.498859167098999 is 1726258756.8616827-1726258756.3628235
   Call: (173) [system] 0.498859167098999>4
   Fail: (173) [system] 0.498859167098999>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 13)
   Call: (175) [system] atom(13+1)
   Call: (175) [system] set_flag(translated_forms, 14)
   Exit: (175) [system] set_flag(translated_forms, 14)
   Exit: (174) [$syspreds] update_flag(translated_forms, 13, 13+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 13, 13+1))
   Exit: (171) [$syspreds] flag(translated_forms, 13, 13+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1726258747_317601, 96)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1726258747_317601, 96)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 13, 13+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), ynthesize_long_1726258747_317601, 96)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 97)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 97))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 97))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1841474)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1848896)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1857234)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1860020=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1861888, _1861890, _1861892, _1861894), read_sexpr((0x558d99e6bec0), _1861906), assertz(metta_file_comment(_1861888, _1861890, _1861892, _1861906, _1861894))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1861888, _1861890, _1861892, _1861894)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1861894))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1861894))
   Exit: (181) [system] nonvar(position(_1861894))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4064, 98, 0, 4064)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), _1861888)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1872146)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), _1861888)
   Exit: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), 98)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), 98)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), _1861890)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1879580)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), _1861890)
   Exit: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), _1861892)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1887014)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), _1861892)
   Exit: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), 4064)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), 4064)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1861906)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1861906)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1897240)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1911394)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1861906)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1916964)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1931118)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1936688)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1938546)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1952700)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1936688)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1970342)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1971276)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1970342=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1936688)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1980586, _1980588), once(user:catch(read_from_chars([=], _1936688), _1980562, fail)), '$restore_trace'(_1980586, _1980588))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1980586, _1980588))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1980562, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1988086)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1989944)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1997682)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _2000386)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _2015464)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _2021034)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _2022892)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _2037046)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _2021034)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2042616)
   Exit: (186) [system] peek_char((0x558d99e6bec0), k)
   Call: (186) [system] k=(;)
   Fail: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Fail: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Fail: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Fail: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
   Fail: (187) [system] char_type(k, cntrl)
^  Fail: (186) [user] is_like_space(k)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _2056770)
   Exit: (185) [system] peek_char((0x558d99e6bec0), k)
   Call: (185) [system] k=')'
   Fail: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
   Fail: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _2062340)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _2064198)
   Exit: (187) [system] peek_char((0x558d99e6bec0), k)
   Call: (187) [system] k=(;)
   Fail: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Fail: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Fail: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Fail: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
   Fail: (188) [system] char_type(k, cntrl)
^  Fail: (187) [user] is_like_space(k)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _2078352)
   Exit: (186) [system] get_char((0x558d99e6bec0), k)
   Call: (186) [system] k='('
   Fail: (186) [system] k='('
   Call: (186) [system] k='['
   Fail: (186) [system] k='['
   Call: (186) [system] k='{'
   Fail: (186) [system] k='{'
   Call: (186) [system] k='"'
   Fail: (186) [system] k='"'
   Call: (186) [system] k=!
   Fail: (186) [system] k=!
   Call: (186) [system] k='\''
   Fail: (186) [system] k='\''
   Call: (186) [system] k='`'
   Fail: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
   Fail: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, _2062340)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2095994)
   Call: (188) [system] peek_char((0x558d99e6bec0), _3380)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_8056, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_8988, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _16338)
   Call: (189) [system] peek_char((0x558d99e6bec0), _17272)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_21992, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _16338=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _3376=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _3372)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_31248, _31250), once(user:catch(read_from_chars([k, b], _3372), _31224, fail)), '$restore_trace'(_31248, _31250))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_31248, _31250))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _31224, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _38748)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _40606)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _54760)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _58550)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _38748=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _3366=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [kb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _66844)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _68702)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _76440)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _79144)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _94222)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _99792)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _101650)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _115804)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _99792)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _121374)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _135528)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _141098)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _142956)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _157110)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _141098)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _174752)
   Call: (189) [system] peek_char((0x558d99e6bec0), _175686)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _174752=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _141098)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_184996, _184998), once(user:catch(read_from_chars([:], _141098), _184972, fail)), '$restore_trace'(_184996, _184998))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_184996, _184998))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _184972, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _192496)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _194354)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _202092)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _204796)
   Exit: (189) [system] peek_char((0x558d99e6bec0), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _219874)
   Exit: (187) [system] peek_char((0x558d99e6bec0), c)
   Call: (187) [system] c=')'
   Fail: (187) [system] c=')'
   Call: (187) [system] c=end_of_file
   Fail: (187) [system] c=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _225444)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _227302)
   Exit: (189) [system] peek_char((0x558d99e6bec0), c)
   Call: (189) [system] c=(;)
   Fail: (189) [system] c=(;)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Fail: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Fail: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Fail: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
   Fail: (190) [system] char_type(c, cntrl)
^  Fail: (189) [user] is_like_space(c)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _241456)
   Exit: (188) [system] get_char((0x558d99e6bec0), c)
   Call: (188) [system] c='('
   Fail: (188) [system] c='('
   Call: (188) [system] c='['
   Fail: (188) [system] c='['
   Call: (188) [system] c='{'
   Fail: (188) [system] c='{'
   Call: (188) [system] c='"'
   Fail: (188) [system] c='"'
   Call: (188) [system] c=!
   Fail: (188) [system] c=!
   Call: (188) [system] c='\''
   Fail: (188) [system] c='\''
   Call: (188) [system] c='`'
   Fail: (188) [system] c='`'
   Call: (188) [system] c=end_of_file
   Fail: (188) [system] c=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), c, _225444)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _259098)
   Call: (190) [system] peek_char((0x558d99e6bec0), _260032)
   Exit: (190) [system] peek_char((0x558d99e6bec0), d)
^  Call: (190) [user] is_delimiter(d)
   Call: (191) [system] char_type(d, space)
   Fail: (191) [system] char_type(d, space)
   Call: (191) [system] arg(_264752, v('(', ')', end_of_file), d)
   Fail: (191) [system] arg(_265684, v('(', ')', end_of_file), d)
^  Fail: (190) [user] is_delimiter(d)
   Call: (190) [system] ')'==d
   Fail: (190) [system] ')'==d
   Call: (190) [system] get_char((0x558d99e6bec0), d)
   Exit: (190) [system] get_char((0x558d99e6bec0), d)
   Call: (190) [system] d=(\)
   Fail: (190) [system] d=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _273034)
   Call: (191) [system] peek_char((0x558d99e6bec0), _273968)
   Exit: (191) [system] peek_char((0x558d99e6bec0), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Fail: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_278688, v('(', ')', end_of_file), e)
   Fail: (192) [system] arg(_279620, v('(', ')', end_of_file), e)
^  Fail: (191) [user] is_delimiter(e)
   Call: (191) [system] ')'==e
   Fail: (191) [system] ')'==e
   Call: (191) [system] get_char((0x558d99e6bec0), e)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] e=(\)
   Fail: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _286970)
   Call: (192) [system] peek_char((0x558d99e6bec0), _287904)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _286970=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _273034=[e]
   Exit: (191) [system] [e]=[e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (190) [system] _259098=[d, e]
   Exit: (190) [system] [d, e]=[d, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (189) [user] classify_and_convert_charseq(c, [d, e], _225444)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_302802, _302804), once(user:catch(read_from_chars([c, d, e], _225444), _302778, fail)), '$restore_trace'(_302802, _302804))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_302802, _302804))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _302778, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(cde)
   Exit: (190) [system] atomic(cde)
^  Exit: (189) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _310302)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _312160)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _319898)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _322602)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _337680)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _343250)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _345108)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _359262)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _343250)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _364832)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (191) [system] 'I'=(;)
   Fail: (191) [system] 'I'=(;)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Fail: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Fail: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Fail: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
   Fail: (192) [system] char_type('I', cntrl)
^  Fail: (191) [user] is_like_space('I')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _378986)
   Exit: (190) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (190) [system] 'I'=')'
   Fail: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
   Fail: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _384556)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _386414)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (192) [system] 'I'=(;)
   Fail: (192) [system] 'I'=(;)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Fail: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Fail: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Fail: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
   Fail: (193) [system] char_type('I', cntrl)
^  Fail: (192) [user] is_like_space('I')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _400568)
   Exit: (191) [system] get_char((0x558d99e6bec0), 'I')
   Call: (191) [system] 'I'='('
   Fail: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Fail: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Fail: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Fail: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Fail: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Fail: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Fail: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
   Fail: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _384556)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _418210)
   Call: (193) [system] peek_char((0x558d99e6bec0), _419144)
   Exit: (193) [system] peek_char((0x558d99e6bec0), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Fail: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_423864, v('(', ')', end_of_file), m)
   Fail: (194) [system] arg(_424796, v('(', ')', end_of_file), m)
^  Fail: (193) [user] is_delimiter(m)
   Call: (193) [system] ')'==m
   Fail: (193) [system] ')'==m
   Call: (193) [system] get_char((0x558d99e6bec0), m)
   Exit: (193) [system] get_char((0x558d99e6bec0), m)
   Call: (193) [system] m=(\)
   Fail: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _432146)
   Call: (194) [system] peek_char((0x558d99e6bec0), _433080)
   Exit: (194) [system] peek_char((0x558d99e6bec0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_437800, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_438732, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x558d99e6bec0), p)
   Exit: (194) [system] get_char((0x558d99e6bec0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _446082)
   Call: (195) [system] peek_char((0x558d99e6bec0), _447016)
   Exit: (195) [system] peek_char((0x558d99e6bec0), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Fail: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_451736, v('(', ')', end_of_file), l)
   Fail: (196) [system] arg(_452668, v('(', ')', end_of_file), l)
^  Fail: (195) [user] is_delimiter(l)
   Call: (195) [system] ')'==l
   Fail: (195) [system] ')'==l
   Call: (195) [system] get_char((0x558d99e6bec0), l)
   Exit: (195) [system] get_char((0x558d99e6bec0), l)
   Call: (195) [system] l=(\)
   Fail: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _460018)
   Call: (196) [system] peek_char((0x558d99e6bec0), _460952)
   Exit: (196) [system] peek_char((0x558d99e6bec0), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Fail: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_465672, v('(', ')', end_of_file), i)
   Fail: (197) [system] arg(_466604, v('(', ')', end_of_file), i)
^  Fail: (196) [user] is_delimiter(i)
   Call: (196) [system] ')'==i
   Fail: (196) [system] ')'==i
   Call: (196) [system] get_char((0x558d99e6bec0), i)
   Exit: (196) [system] get_char((0x558d99e6bec0), i)
   Call: (196) [system] i=(\)
   Fail: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _473954)
   Call: (197) [system] peek_char((0x558d99e6bec0), _474888)
   Exit: (197) [system] peek_char((0x558d99e6bec0), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_479608, v('(', ')', end_of_file), c)
   Fail: (198) [system] arg(_480540, v('(', ')', end_of_file), c)
^  Fail: (197) [user] is_delimiter(c)
   Call: (197) [system] ')'==c
   Fail: (197) [system] ')'==c
   Call: (197) [system] get_char((0x558d99e6bec0), c)
   Exit: (197) [system] get_char((0x558d99e6bec0), c)
   Call: (197) [system] c=(\)
   Fail: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _487890)
   Call: (198) [system] peek_char((0x558d99e6bec0), _488824)
   Exit: (198) [system] peek_char((0x558d99e6bec0), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Fail: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_493544, v('(', ')', end_of_file), a)
   Fail: (199) [system] arg(_494476, v('(', ')', end_of_file), a)
^  Fail: (198) [user] is_delimiter(a)
   Call: (198) [system] ')'==a
   Fail: (198) [system] ')'==a
   Call: (198) [system] get_char((0x558d99e6bec0), a)
   Exit: (198) [system] get_char((0x558d99e6bec0), a)
   Call: (198) [system] a=(\)
   Fail: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _501826)
   Call: (199) [system] peek_char((0x558d99e6bec0), _502760)
   Exit: (199) [system] peek_char((0x558d99e6bec0), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Fail: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_507480, v('(', ')', end_of_file), t)
   Fail: (200) [system] arg(_508412, v('(', ')', end_of_file), t)
^  Fail: (199) [user] is_delimiter(t)
   Call: (199) [system] ')'==t
   Fail: (199) [system] ')'==t
   Call: (199) [system] get_char((0x558d99e6bec0), t)
   Exit: (199) [system] get_char((0x558d99e6bec0), t)
   Call: (199) [system] t=(\)
   Fail: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _515762)
   Call: (200) [system] peek_char((0x558d99e6bec0), _516696)
   Exit: (200) [system] peek_char((0x558d99e6bec0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_521416, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_522348, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x558d99e6bec0), i)
   Exit: (200) [system] get_char((0x558d99e6bec0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _529698)
   Call: (201) [system] peek_char((0x558d99e6bec0), _530632)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_535352, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_536284, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _543634)
   Call: (202) [system] peek_char((0x558d99e6bec0), _544568)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_549288, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_550220, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _557570)
   Call: (203) [system] peek_char((0x558d99e6bec0), _558504)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _557570=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _543634=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (201) [system] _529698=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (200) [system] _515762=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (199) [system] _501826=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (198) [system] _487890=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (197) [system] _473954=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (196) [system] _460018=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (195) [system] _446082=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _432146=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _418210=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _384556)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_595754, _595756), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _384556), _595730, fail)), '$restore_trace'(_595754, _595756))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_595754, _595756))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _384556), _595730, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_384556)
   Fail: (193) [system] atomic(_384556)
   Call: (193) [system] atom_chars(_384556, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (193) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _605130)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _606988)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _614726)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _617430)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _632508)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _638078)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _639936)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _654090)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _638078)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _659660)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _673814)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _679384)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _681242)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _695396)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _679384)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713038)
   Call: (196) [system] peek_char((0x558d99e6bec0), _713972)
   Exit: (196) [system] peek_char((0x558d99e6bec0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_718692, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_719624, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x558d99e6bec0), r)
   Exit: (196) [system] get_char((0x558d99e6bec0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _726974)
   Call: (197) [system] peek_char((0x558d99e6bec0), _727908)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_732628, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_733560, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (197) [system] get_char((0x558d99e6bec0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _740910)
   Call: (198) [system] peek_char((0x558d99e6bec0), _741844)
   Exit: (198) [system] peek_char((0x558d99e6bec0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_746564, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_747496, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x558d99e6bec0), i)
   Exit: (198) [system] get_char((0x558d99e6bec0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _754846)
   Call: (199) [system] peek_char((0x558d99e6bec0), _755780)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_760500, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_761432, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _768782)
   Call: (200) [system] peek_char((0x558d99e6bec0), _769716)
   Exit: (200) [system] peek_char((0x558d99e6bec0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_774436, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_775368, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x558d99e6bec0), k)
   Exit: (200) [system] get_char((0x558d99e6bec0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _782718)
   Call: (201) [system] peek_char((0x558d99e6bec0), _783652)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _782718=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _768782=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (199) [system] _754846=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (198) [system] _740910=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (197) [system] _726974=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (196) [system] _713038=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _679384)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_806932, _806934), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _679384), _806908, fail)), '$restore_trace'(_806932, _806934))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_806932, _806934))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _679384), _806908, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_679384)
   Fail: (196) [system] atomic(_679384)
   Call: (196) [system] atom_chars(_679384, ['O', r, 'L', i, n, k])
   Exit: (196) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _816308)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _818166)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _825904)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _828608)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _843686)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (194) [system] 'C'=')'
   Fail: (194) [system] 'C'=')'
   Call: (194) [system] 'C'=end_of_file
   Fail: (194) [system] 'C'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _849256)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _851114)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (196) [system] 'C'=(;)
   Fail: (196) [system] 'C'=(;)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Fail: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Fail: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Fail: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
   Fail: (197) [system] char_type('C', cntrl)
^  Fail: (196) [user] is_like_space('C')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _865268)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'C')
   Call: (195) [system] 'C'='('
   Fail: (195) [system] 'C'='('
   Call: (195) [system] 'C'='['
   Fail: (195) [system] 'C'='['
   Call: (195) [system] 'C'='{'
   Fail: (195) [system] 'C'='{'
   Call: (195) [system] 'C'='"'
   Fail: (195) [system] 'C'='"'
   Call: (195) [system] 'C'=!
   Fail: (195) [system] 'C'=!
   Call: (195) [system] 'C'='\''
   Fail: (195) [system] 'C'='\''
   Call: (195) [system] 'C'='`'
   Fail: (195) [system] 'C'='`'
   Call: (195) [system] 'C'=end_of_file
   Fail: (195) [system] 'C'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _849256)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _882910)
   Call: (197) [system] peek_char((0x558d99e6bec0), _883844)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _882910=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('C', [], _849256)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_893154, _893156), once(user:catch(read_from_chars(['C'], _849256), _893130, fail)), '$restore_trace'(_893154, _893156))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_893154, _893156))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _849256), _893130, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_849256)
   Fail: (197) [system] atomic(_849256)
   Call: (197) [system] atom_chars(_849256, ['C'])
   Exit: (197) [system] atom_chars('C', ['C'])
^  Exit: (196) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _902530)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _904388)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _912126)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _914830)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _929908)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (195) [system] 'D'=')'
   Fail: (195) [system] 'D'=')'
   Call: (195) [system] 'D'=end_of_file
   Fail: (195) [system] 'D'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _935478)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _937336)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (197) [system] 'D'=(;)
   Fail: (197) [system] 'D'=(;)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Fail: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Fail: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Fail: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
   Fail: (198) [system] char_type('D', cntrl)
^  Fail: (197) [user] is_like_space('D')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _951490)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'D')
   Call: (196) [system] 'D'='('
   Fail: (196) [system] 'D'='('
   Call: (196) [system] 'D'='['
   Fail: (196) [system] 'D'='['
   Call: (196) [system] 'D'='{'
   Fail: (196) [system] 'D'='{'
   Call: (196) [system] 'D'='"'
   Fail: (196) [system] 'D'='"'
   Call: (196) [system] 'D'=!
   Fail: (196) [system] 'D'=!
   Call: (196) [system] 'D'='\''
   Fail: (196) [system] 'D'='\''
   Call: (196) [system] 'D'='`'
   Fail: (196) [system] 'D'='`'
   Call: (196) [system] 'D'=end_of_file
   Fail: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _935478)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _969132)
   Call: (198) [system] peek_char((0x558d99e6bec0), _970066)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_974786, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _969132=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq('D', [], _935478)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_981248, _981250), once(user:catch(read_from_chars(['D'], _935478), _981224, fail)), '$restore_trace'(_981248, _981250))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_981248, _981250))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _935478), _981224, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_935478)
   Fail: (198) [system] atomic(_935478)
   Call: (198) [system] atom_chars(_935478, ['D'])
   Exit: (198) [system] atom_chars('D', ['D'])
^  Exit: (197) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _990624)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _992482)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1006636)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1010426)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _990624=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _902530=['D']
   Exit: (195) [system] ['D']=['D']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (194) [system] _816308=['C', 'D']
   Exit: (194) [system] ['C', 'D']=['C', 'D']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (193) [system] _638078=['OrLink', 'C', 'D']
   Exit: (193) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1024308)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1026166)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1033904)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1036608)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1051686)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (192) [system] 'E'=')'
   Fail: (192) [system] 'E'=')'
   Call: (192) [system] 'E'=end_of_file
   Fail: (192) [system] 'E'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1057256)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1059114)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (194) [system] 'E'=(;)
   Fail: (194) [system] 'E'=(;)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Fail: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Fail: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Fail: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
   Fail: (195) [system] char_type('E', cntrl)
^  Fail: (194) [user] is_like_space('E')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1073268)
   Exit: (193) [system] get_char((0x558d99e6bec0), 'E')
   Call: (193) [system] 'E'='('
   Fail: (193) [system] 'E'='('
   Call: (193) [system] 'E'='['
   Fail: (193) [system] 'E'='['
   Call: (193) [system] 'E'='{'
   Fail: (193) [system] 'E'='{'
   Call: (193) [system] 'E'='"'
   Fail: (193) [system] 'E'='"'
   Call: (193) [system] 'E'=!
   Fail: (193) [system] 'E'=!
   Call: (193) [system] 'E'='\''
   Fail: (193) [system] 'E'='\''
   Call: (193) [system] 'E'='`'
   Fail: (193) [system] 'E'='`'
   Call: (193) [system] 'E'=end_of_file
   Fail: (193) [system] 'E'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1057256)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1090910)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1091844)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1096564, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1090910=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq('E', [], _1057256)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1103026, _1103028), once(user:catch(read_from_chars(['E'], _1057256), _1103002, fail)), '$restore_trace'(_1103026, _1103028))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1103026, _1103028))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1057256), _1103002, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1057256)
   Fail: (195) [system] atomic(_1057256)
   Call: (195) [system] atom_chars(_1057256, ['E'])
   Exit: (195) [system] atom_chars('E', ['E'])
^  Exit: (194) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1112402)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1114260)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1128414)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1132204)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1112402=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1024308=['E']
   Exit: (192) [system] ['E']=['E']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (191) [system] _605130=[['OrLink', 'C', 'D'], 'E']
   Exit: (191) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (190) [system] _343250=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (190) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1146086)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1147944)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1162098)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1165888)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1146086=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _310302=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (188) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (187) [system] _192496=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (187) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (186) [system] _99792=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (186) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1179770)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1181628)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1195782)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1199572)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1179770=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _66844=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (184) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (183) [system] _3362=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (183) [system] [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (182) [system] _3322=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (182) [system] [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064)), read_sexpr((0x558d99e6bec0), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]), assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1218090, _1218092, _1218094, _1218096, _1218098))
^  Exit: (177) [user] retract(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _1220924))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _1220924)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), _1220924)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _1223740))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _1223740))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _1223740)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _1226540))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _1226540)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), _1226540)
   Call: (187) [system] var('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] atom('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==true
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==false
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==[_1233060, _1233066]
   Call: (187) [system] is_list('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] string('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Exit: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), _1237694, _1237696)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; tuples.", 48, 0], _1241436)
   Call: (188) [apply] apply:maplist_([";; tuples.", 48, 0], _1241436, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; tuples.", _1243316)
   Call: (190) [system] var(";; tuples.")
   Call: (190) [system] atom(";; tuples.")
   Call: (190) [system] ";; tuples."==true
   Call: (190) [system] ";; tuples."==false
   Call: (190) [system] ";; tuples."==[_1247958, _1247964]
   Call: (190) [system] is_list(";; tuples.")
   Call: (190) [system] string(";; tuples.")
   Exit: (190) [system] string(";; tuples.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; tuples.")
^  Call: (190) [user] symbol(";; tuples.")
   Call: (191) [system] atom(";; tuples.")
   Fail: (191) [system] atom(";; tuples.")
^  Fail: (190) [user] symbol(";; tuples.")
   Call: (190) [system] ";; tuples."=_1243316
   Exit: (190) [system] ";; tuples."=";; tuples."
^  Exit: (189) [user] mfix_vars1(";; tuples.", ";; tuples.")
   Call: (189) [apply] apply:maplist_([48, 0], _1243318, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(48, _1261838)
   Call: (191) [system] var(48)
   Call: (191) [system] atom(48)
   Call: (191) [system] 48==true
   Call: (191) [system] 48==false
   Call: (191) [system] 48==[_1266480, _1266486]
   Call: (191) [system] is_list(48)
   Call: (191) [system] string(48)
   Call: (191) [system] compound(48)
^  Call: (191) [user] symbol(48)
   Call: (192) [system] atom(48)
   Fail: (192) [system] atom(48)
^  Fail: (191) [user] symbol(48)
   Call: (191) [system] 48=_1261838
   Exit: (191) [system] 48=48
^  Exit: (190) [user] mfix_vars1(48, 48)
   Call: (190) [apply] apply:maplist_([0], _1261840, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1277604)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1282246, _1282252]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1277604
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1277606, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([48, 0], [48, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; tuples.", 48, 0], [";; tuples.", 48, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; tuples.", 48, 0], [";; tuples.", 48, 0])
   Call: (187) [system] compound_name_arguments(_1226540, '$COMMENT', [";; tuples.", 48, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _1306422))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _1306422))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _1306422)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _1309222))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _1309222)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), _1309222)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _1220924))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _1220924))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _1220924)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _1323180))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _1323180)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), _1323180)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (178) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1726258747_317601, 97)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258757.0593426)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258757.0593426-1726258756.3628235
   Exit: (173) [system] 0.696519136428833 is 1726258757.0593426-1726258756.3628235
   Call: (173) [system] 0.696519136428833>4
   Fail: (173) [system] 0.696519136428833>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 14)
   Call: (175) [system] atom(14+1)
   Call: (175) [system] set_flag(translated_forms, 15)
   Exit: (175) [system] set_flag(translated_forms, 15)
   Exit: (174) [$syspreds] update_flag(translated_forms, 14, 14+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 14, 14+1))
   Exit: (171) [$syspreds] flag(translated_forms, 14, 14+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1726258747_317601, 97)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; tuples."])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; tuples."])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1726258747_317601, 97)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 14, 14+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; tuples.", 48, 0), ynthesize_long_1726258747_317601, 97)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 98)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 98))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 98))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1397964)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1405386)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _1412808)
   Exit: (176) [system] peek_char((0x558d99e6bec0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (177) [system] string((0x558d99e6bec0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (178) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (178) [system] peek_char((0x558d99e6bec0), _1421146)
   Exit: (178) [system] peek_char((0x558d99e6bec0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1423932=(0x558d99e6bec0)
   Exit: (178) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (178) [user] once((read_position((0x558d99e6bec0), _1425800, _1425802, _1425804, _1425806), read_sexpr((0x558d99e6bec0), _1425818), assertz(metta_file_comment(_1425800, _1425802, _1425804, _1425818, _1425806))))
^  Call: (180) [user] read_position((0x558d99e6bec0), _1425800, _1425802, _1425804, _1425806)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_1425806))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_1425806))
   Exit: (182) [system] nonvar(position(_1425806))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4111, 100, 0, 4111)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), _1425800)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1436058)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), _1425800)
   Exit: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), 100)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), 100)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), _1425802)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1443492)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), _1425802)
   Exit: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), _1425804)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1450926)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), _1425804)
   Exit: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), 4111)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), 4111)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111))
^  Call: (180) [user] read_sexpr((0x558d99e6bec0), _1425818)
   Call: (181) [system] string((0x558d99e6bec0))
   Fail: (181) [system] string((0x558d99e6bec0))
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _1425818)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1461152)
   Exit: (183) [system] peek_char((0x558d99e6bec0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _1475306)
   Exit: (182) [system] get_char((0x558d99e6bec0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x558d99e6bec0), _1486444)
   Call: (183) [system] string((0x558d99e6bec0))
   Fail: (183) [system] string((0x558d99e6bec0))
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1486444)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1491078)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1505232)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1486444)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1510802)
   Exit: (186) [system] peek_char((0x558d99e6bec0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1524956)
   Exit: (185) [system] peek_char((0x558d99e6bec0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1530526)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1532384)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1546538)
   Exit: (186) [system] get_char((0x558d99e6bec0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, _1530526)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1564180)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1565114)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1569834, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_1570766, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x558d99e6bec0), s)
   Exit: (188) [system] get_char((0x558d99e6bec0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1578116)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1579050)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1583770, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1584702, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x558d99e6bec0), s)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1592052)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1592986)
   Exit: (190) [system] peek_char((0x558d99e6bec0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1597706, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1598638, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x558d99e6bec0), e)
   Exit: (190) [system] get_char((0x558d99e6bec0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1605988)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1606922)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1611642, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1612574, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1619924)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1620858)
   Exit: (192) [system] peek_char((0x558d99e6bec0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1625578, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1626510, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x558d99e6bec0), t)
   Exit: (192) [system] get_char((0x558d99e6bec0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1633860)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1634794)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1639514, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1640446, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x558d99e6bec0), 'E')
   Exit: (193) [system] get_char((0x558d99e6bec0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1647796)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1648730)
   Exit: (194) [system] peek_char((0x558d99e6bec0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1653450, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1654382, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x558d99e6bec0), q)
   Exit: (194) [system] get_char((0x558d99e6bec0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1661732)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1662666)
   Exit: (195) [system] peek_char((0x558d99e6bec0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1667386, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1668318, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x558d99e6bec0), u)
   Exit: (195) [system] get_char((0x558d99e6bec0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1675668)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1676602)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1681322, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1682254, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x558d99e6bec0), a)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1689604)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1690538)
   Exit: (197) [system] peek_char((0x558d99e6bec0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1695258, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1696190, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x558d99e6bec0), l)
   Exit: (197) [system] get_char((0x558d99e6bec0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1703540)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1704474)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1709194, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1710126, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x558d99e6bec0), 'T')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1717476)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1718410)
   Exit: (199) [system] peek_char((0x558d99e6bec0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1723130, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1724062, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x558d99e6bec0), o)
   Exit: (199) [system] get_char((0x558d99e6bec0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1731412)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1732346)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1737066, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1737998, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x558d99e6bec0), 'R')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1745348)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1746282)
   Exit: (201) [system] peek_char((0x558d99e6bec0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1751002, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1751934, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x558d99e6bec0), e)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1759284)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1760218)
   Exit: (202) [system] peek_char((0x558d99e6bec0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1764938, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1765870, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x558d99e6bec0), s)
   Exit: (202) [system] get_char((0x558d99e6bec0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1773220)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1774154)
   Exit: (203) [system] peek_char((0x558d99e6bec0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1778874, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1779806, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x558d99e6bec0), u)
   Exit: (203) [system] get_char((0x558d99e6bec0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1787156)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1788090)
   Exit: (204) [system] peek_char((0x558d99e6bec0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1792810, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1793742, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x558d99e6bec0), l)
   Exit: (204) [system] get_char((0x558d99e6bec0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1801092)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1802026)
   Exit: (205) [system] peek_char((0x558d99e6bec0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1806746, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1807678, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x558d99e6bec0), t)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1815028)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1815962)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _1815028=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1801092=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (204) [system] _1787156=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, t])
   Call: (203) [system] _1773220=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, l, t])
   Call: (202) [system] _1759284=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, u, l, t])
   Call: (201) [system] _1745348=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, u, l, t])
   Call: (200) [system] _1731412=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['R', e, s, u, l, t])
   Call: (199) [system] _1717476=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1703540=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1689604=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1675668=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1661732=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1647796=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1633860=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1619924=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1605988=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1592052=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1578116=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1564180=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1530526)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1875564, _1875566), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1530526), _1875540, fail)), '$restore_trace'(_1875564, _1875566))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1875564, _1875566))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1875540, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1883064)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1884922)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x558d99e6bec0), _1894516)
   Exit: (187) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1897220)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1904958)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1907662)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1915400)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1918104)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1925842)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1928546)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _1936284)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1938988)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1957762)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1963332)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1965190)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1979344)
   Exit: (187) [system] get_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1963332)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1984914)
   Exit: (189) [system] peek_char((0x558d99e6bec0), k)
   Call: (189) [system] k=(;)
   Fail: (189) [system] k=(;)
^  Call: (189) [user] is_like_space(k)
   Call: (190) [system] char_type(k, 'white')
   Fail: (190) [system] char_type(k, 'white')
   Call: (190) [system] char_type(k, end_of_line)
   Fail: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] char_type(k, space)
   Fail: (190) [system] char_type(k, space)
   Call: (190) [system] char_type(k, cntrl)
   Fail: (190) [system] char_type(k, cntrl)
^  Fail: (189) [user] is_like_space(k)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1999068)
   Exit: (188) [system] peek_char((0x558d99e6bec0), k)
   Call: (188) [system] k=')'
   Fail: (188) [system] k=')'
   Call: (188) [system] k=end_of_file
   Fail: (188) [system] k=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _2004638)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2006496)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
   Call: (190) [system] k=(;)
   Fail: (190) [system] k=(;)
^  Call: (190) [user] is_like_space(k)
   Call: (191) [system] char_type(k, 'white')
   Fail: (191) [system] char_type(k, 'white')
   Call: (191) [system] char_type(k, end_of_line)
   Fail: (191) [system] char_type(k, end_of_line)
   Call: (191) [system] char_type(k, space)
   Fail: (191) [system] char_type(k, space)
   Call: (191) [system] char_type(k, cntrl)
   Fail: (191) [system] char_type(k, cntrl)
^  Fail: (190) [user] is_like_space(k)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _2020650)
   Exit: (189) [system] get_char((0x558d99e6bec0), k)
   Call: (189) [system] k='('
   Fail: (189) [system] k='('
   Call: (189) [system] k='['
   Fail: (189) [system] k='['
   Call: (189) [system] k='{'
   Fail: (189) [system] k='{'
   Call: (189) [system] k='"'
   Fail: (189) [system] k='"'
   Call: (189) [system] k=!
   Fail: (189) [system] k=!
   Call: (189) [system] k='\''
   Fail: (189) [system] k='\''
   Call: (189) [system] k='`'
   Fail: (189) [system] k='`'
   Call: (189) [system] k=end_of_file
   Fail: (189) [system] k=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), k, _2004638)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2038292)
   Call: (191) [system] peek_char((0x558d99e6bec0), _2039226)
   Exit: (191) [system] peek_char((0x558d99e6bec0), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Fail: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_2043946, v('(', ')', end_of_file), b)
   Fail: (192) [system] arg(_2044878, v('(', ')', end_of_file), b)
^  Fail: (191) [user] is_delimiter(b)
   Call: (191) [system] ')'==b
   Fail: (191) [system] ')'==b
   Call: (191) [system] get_char((0x558d99e6bec0), b)
   Exit: (191) [system] get_char((0x558d99e6bec0), b)
   Call: (191) [system] b=(\)
   Fail: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2052228)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2053162)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (192) [user] is_delimiter(')')
   Call: (193) [system] char_type(')', space)
   Fail: (193) [system] char_type(')', space)
   Call: (193) [system] arg(_2057882, v('(', ')', end_of_file), ')')
   Exit: (193) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (192) [user] is_delimiter(')')
   Call: (192) [system] _2052228=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _2038292=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (190) [user] classify_and_convert_charseq(k, [b], _2004638)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2067138, _2067140), once(user:catch(read_from_chars([k, b], _2004638), _2067114, fail)), '$restore_trace'(_2067138, _2067140))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2067138, _2067140))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _2067114, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(kb)
   Exit: (191) [system] atomic(kb)
^  Exit: (190) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _2074638)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2076496)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2090650)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _2094440)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _3380=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _3372=[kb]
   Exit: (188) [system] [kb]=[kb]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [kb])
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), [kb])
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _9324)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _11182)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _20776)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _23480)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _31218)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _33922)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _41660)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _44364)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _52102)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _54806)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _62544)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _65248)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _84022)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _89592)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _91450)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _105604)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _89592)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _111174)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _118912)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _121616)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _136694)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _142264)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _144122)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _158276)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _142264)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _163846)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _178000)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _183570)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _185428)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _199582)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _183570)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _217224)
   Call: (194) [system] peek_char((0x558d99e6bec0), _218158)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _217224=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _183570)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_227468, _227470), once(user:catch(read_from_chars([:], _183570), _227444, fail)), '$restore_trace'(_227468, _227470))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_227468, _227470))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _227444, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _234968)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _236826)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _244564)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _247268)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _262346)
   Exit: (192) [system] peek_char((0x558d99e6bec0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _267916)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _269774)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _283928)
   Exit: (193) [system] get_char((0x558d99e6bec0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, _267916)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _301570)
   Call: (195) [system] peek_char((0x558d99e6bec0), _302504)
   Exit: (195) [system] peek_char((0x558d99e6bec0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_307224, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_308156, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x558d99e6bec0), b)
   Exit: (195) [system] get_char((0x558d99e6bec0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _315506)
   Call: (196) [system] peek_char((0x558d99e6bec0), _316440)
   Exit: (196) [system] peek_char((0x558d99e6bec0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_321160, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_322092, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x558d99e6bec0), c)
   Exit: (196) [system] get_char((0x558d99e6bec0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _329442)
   Call: (197) [system] peek_char((0x558d99e6bec0), _330376)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _329442=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _315506=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (195) [system] _301570=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq(a, [b, c], _267916)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_345274, _345276), once(user:catch(read_from_chars([a, b, c], _267916), _345250, fail)), '$restore_trace'(_345274, _345276))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_345274, _345276))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _345250, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(abc)
   Exit: (195) [system] atomic(abc)
^  Exit: (194) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _352774)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _354632)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _362370)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _365074)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _380152)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _385722)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _387580)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _401734)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _385722)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _407304)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _421458)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _427028)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _428886)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _443040)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _427028)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _460682)
   Call: (198) [system] peek_char((0x558d99e6bec0), _461616)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_466336, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_467268, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _474618)
   Call: (199) [system] peek_char((0x558d99e6bec0), _475552)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_480272, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_481204, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _488554)
   Call: (200) [system] peek_char((0x558d99e6bec0), _489488)
   Exit: (200) [system] peek_char((0x558d99e6bec0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_494208, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_495140, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x558d99e6bec0), l)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _502490)
   Call: (201) [system] peek_char((0x558d99e6bec0), _503424)
   Exit: (201) [system] peek_char((0x558d99e6bec0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_508144, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_509076, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x558d99e6bec0), i)
   Exit: (201) [system] get_char((0x558d99e6bec0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _516426)
   Call: (202) [system] peek_char((0x558d99e6bec0), _517360)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_522080, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_523012, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _530362)
   Call: (203) [system] peek_char((0x558d99e6bec0), _531296)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_536016, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_536948, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x558d99e6bec0), a)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _544298)
   Call: (204) [system] peek_char((0x558d99e6bec0), _545232)
   Exit: (204) [system] peek_char((0x558d99e6bec0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_549952, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_550884, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x558d99e6bec0), t)
   Exit: (204) [system] get_char((0x558d99e6bec0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _558234)
   Call: (205) [system] peek_char((0x558d99e6bec0), _559168)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_563888, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_564820, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _572170)
   Call: (206) [system] peek_char((0x558d99e6bec0), _573104)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_577824, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_578756, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _586106)
   Call: (207) [system] peek_char((0x558d99e6bec0), _587040)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_591760, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_592692, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _600042)
   Call: (208) [system] peek_char((0x558d99e6bec0), _600976)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _600042=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _586106=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (206) [system] _572170=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (205) [system] _558234=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (204) [system] _544298=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (203) [system] _530362=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (202) [system] _516426=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (201) [system] _502490=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (200) [system] _488554=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _474618=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _460682=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _427028)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_638226, _638228), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _427028), _638202, fail)), '$restore_trace'(_638226, _638228))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_638226, _638228))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _427028), _638202, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_427028)
   Fail: (198) [system] atomic(_427028)
   Call: (198) [system] atom_chars(_427028, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (198) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _647602)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _649460)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _657198)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _659902)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _674980)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _680550)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _682408)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _696562)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _680550)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _702132)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _716286)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _721856)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _723714)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _737868)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _721856)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _755510)
   Call: (201) [system] peek_char((0x558d99e6bec0), _756444)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_761164, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_762096, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _769446)
   Call: (202) [system] peek_char((0x558d99e6bec0), _770380)
   Exit: (202) [system] peek_char((0x558d99e6bec0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_775100, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_776032, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x558d99e6bec0), d)
   Exit: (202) [system] get_char((0x558d99e6bec0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _783382)
   Call: (203) [system] peek_char((0x558d99e6bec0), _784316)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_789036, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_789968, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (203) [system] get_char((0x558d99e6bec0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _797318)
   Call: (204) [system] peek_char((0x558d99e6bec0), _798252)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_802972, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_803904, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _811254)
   Call: (205) [system] peek_char((0x558d99e6bec0), _812188)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_816908, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_817840, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _825190)
   Call: (206) [system] peek_char((0x558d99e6bec0), _826124)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_830844, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_831776, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _839126)
   Call: (207) [system] peek_char((0x558d99e6bec0), _840060)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _839126=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _825190=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (205) [system] _811254=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (204) [system] _797318=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (203) [system] _783382=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (202) [system] _769446=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (201) [system] _755510=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _721856)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_866134, _866136), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _721856), _866110, fail)), '$restore_trace'(_866134, _866136))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_866134, _866136))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _721856), _866110, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_721856)
   Fail: (201) [system] atomic(_721856)
   Call: (201) [system] atom_chars(_721856, ['A', n, d, 'L', i, n, k])
   Exit: (201) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _875510)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _877368)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _885106)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _887810)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _902888)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _908458)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _910316)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _924470)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _908458)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _942112)
   Call: (202) [system] peek_char((0x558d99e6bec0), _943046)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _942112=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq('A', [], _908458)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_952356, _952358), once(user:catch(read_from_chars(['A'], _908458), _952332, fail)), '$restore_trace'(_952356, _952358))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_952356, _952358))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _908458), _952332, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_908458)
   Fail: (202) [system] atomic(_908458)
   Call: (202) [system] atom_chars(_908458, ['A'])
   Exit: (202) [system] atom_chars('A', ['A'])
^  Exit: (201) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _961732)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _963590)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _971328)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _974032)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _989110)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _994680)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _996538)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1010692)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _994680)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028334)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1029268)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1033988, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1028334=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq('B', [], _994680)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1040450, _1040452), once(user:catch(read_from_chars(['B'], _994680), _1040426, fail)), '$restore_trace'(_1040450, _1040452))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1040450, _1040452))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _994680), _1040426, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_994680)
   Fail: (203) [system] atomic(_994680)
   Call: (203) [system] atom_chars(_994680, ['B'])
   Exit: (203) [system] atom_chars('B', ['B'])
^  Exit: (202) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1049826)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1051684)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1065838)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1069628)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1049826=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _961732=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (199) [system] _875510=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (198) [system] _680550=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1083510)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1085368)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1093106)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1095810)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1110888)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1116458)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1118316)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1132470)
   Exit: (198) [system] get_char((0x558d99e6bec0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1116458)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1150112)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1151046)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1155766, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1150112=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq('C', [], _1116458)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1162228, _1162230), once(user:catch(read_from_chars(['C'], _1116458), _1162204, fail)), '$restore_trace'(_1162228, _1162230))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1162228, _1162230))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1116458), _1162204, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1116458)
   Fail: (200) [system] atomic(_1116458)
   Call: (200) [system] atom_chars(_1116458, ['C'])
   Exit: (200) [system] atom_chars('C', ['C'])
^  Exit: (199) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1171604)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1173462)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1187616)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1191406)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1171604=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1083510=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (196) [system] _647602=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _385722=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1205288)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1207146)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1221300)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1225090)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1205288=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _352774=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _234968=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _142264=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1238972)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1240830)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1250424)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1253128)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1260866)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1263570)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1271308)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1274012)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1281750)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1284454)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1292192)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1294896)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1302634)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1305338)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1313076)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1315780)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1336402)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1341972)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1343830)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1357984)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1341972)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1363554)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1377708)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1383278)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1385136)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1399290)
   Exit: (193) [system] get_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, _1383278)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1416932)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1417866)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1416932=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1383278)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1427176, _1427178), once(user:catch(read_from_chars([:], _1383278), _1427152, fail)), '$restore_trace'(_1427176, _1427178))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1427176, _1427178))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1427152, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1434676)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1436534)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1444272)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1446976)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1462054)
   Exit: (193) [system] peek_char((0x558d99e6bec0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1467624)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1469482)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1483636)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), a, _1467624)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1501278)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1502212)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1501278=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(a, [], _1467624)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1511522, _1511524), once(user:catch(read_from_chars([a], _1467624), _1511498, fail)), '$restore_trace'(_1511522, _1511524))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1511522, _1511524))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1511498, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1519022)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1520880)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1528618)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1531322)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1546400)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'=')'
   Fail: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1551970)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1553828)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1567982)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'='('
   Fail: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Fail: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Fail: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Fail: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Fail: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Fail: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Fail: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1551970)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1585624)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1586558)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1591278, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1585624=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('A', [], _1551970)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1597740, _1597742), once(user:catch(read_from_chars(['A'], _1551970), _1597716, fail)), '$restore_trace'(_1597740, _1597742))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1597740, _1597742))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1551970), _1597716, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1551970)
   Fail: (197) [system] atomic(_1551970)
   Call: (197) [system] atom_chars(_1551970, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1607116)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1608974)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1623128)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1626918)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1607116=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1519022=['A']
   Exit: (194) [system] ['A']=['A']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (193) [system] _1434676=[a, 'A']
   Exit: (193) [system] [a, 'A']=[a, 'A']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [a, 'A'])
   Call: (192) [system] _1341972=[:, a, 'A']
   Exit: (192) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [:, a, 'A'])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'A'])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1640800)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1642658)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1650396)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1653100)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _1662694)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1665398)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (194) [system] '\t'=(;)
   Fail: (194) [system] '\t'=(;)
^  Call: (194) [user] is_like_space('\t')
   Call: (195) [system] char_type('\t', 'white')
   Exit: (195) [system] char_type('\t', 'white')
^  Exit: (194) [user] is_like_space('\t')
   Call: (194) [system] get_char((0x558d99e6bec0), _1673136)
   Exit: (194) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1675840)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1683578)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1686282)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1694020)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1696724)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1715498)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1721068)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1722926)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1737080)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1721068)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1742650)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1756804)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1762374)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1764232)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1778386)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _1762374)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1796028)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1796962)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1796028=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _1762374)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1806272, _1806274), once(user:catch(read_from_chars([:], _1762374), _1806248, fail)), '$restore_trace'(_1806272, _1806274))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1806272, _1806274))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1806248, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1813772)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1815630)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1823368)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1826072)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1841150)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1846720)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1848578)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1862732)
   Exit: (195) [system] get_char((0x558d99e6bec0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), a, _1846720)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1880374)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1881308)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1880374=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(a, [], _1846720)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1890618, _1890620), once(user:catch(read_from_chars([a], _1846720), _1890594, fail)), '$restore_trace'(_1890618, _1890620))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1890618, _1890620))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1890594, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1898118)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1899976)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1907714)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1910418)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1925496)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (195) [system] 'B'=')'
   Fail: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1931066)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1932924)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (197) [system] 'B'=(;)
   Fail: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Fail: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Fail: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Fail: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
   Fail: (198) [system] char_type('B', cntrl)
^  Fail: (197) [user] is_like_space('B')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1947078)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'='('
   Fail: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Fail: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Fail: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Fail: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Fail: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Fail: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Fail: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1931066)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1964720)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1965654)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1970374, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1964720=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq('B', [], _1931066)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1976836, _1976838), once(user:catch(read_from_chars(['B'], _1931066), _1976812, fail)), '$restore_trace'(_1976836, _1976838))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1976836, _1976838))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1931066), _1976812, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1931066)
   Fail: (198) [system] atomic(_1931066)
   Call: (198) [system] atom_chars(_1931066, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1986212)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1988070)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2002224)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _2006014)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1986212=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1898118=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (194) [system] _1813772=[a, 'B']
   Exit: (194) [system] [a, 'B']=[a, 'B']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [a, 'B'])
   Call: (193) [system] _1721068=[:, a, 'B']
   Exit: (193) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, a, 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'B'])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _2019896)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2021754)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _2031348)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2034052)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _2041790)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2044494)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _2052232)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2054936)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _2062674)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2065378)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _2073116)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2075820)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _2083558)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2086262)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _2094000)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _3512)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _23972)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _29542)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _31400)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _45554)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _29542)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _51124)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _65278)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _70848)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _72706)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _86860)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _70848)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _104502)
   Call: (197) [system] peek_char((0x558d99e6bec0), _105436)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _104502=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _70848)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_114746, _114748), once(user:catch(read_from_chars([:], _70848), _114722, fail)), '$restore_trace'(_114746, _114748))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_114746, _114748))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _114722, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _122246)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _124104)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _131842)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _134546)
   Exit: (197) [system] peek_char((0x558d99e6bec0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _149624)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _155194)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _157052)
   Exit: (197) [system] peek_char((0x558d99e6bec0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _171206)
   Exit: (196) [system] get_char((0x558d99e6bec0), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), c, _155194)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _188848)
   Call: (198) [system] peek_char((0x558d99e6bec0), _189782)
   Exit: (198) [system] peek_char((0x558d99e6bec0), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_194502, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_195434, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x558d99e6bec0), d)
   Exit: (198) [system] get_char((0x558d99e6bec0), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _202784)
   Call: (199) [system] peek_char((0x558d99e6bec0), _203718)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_208438, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_209370, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _216720)
   Call: (200) [system] peek_char((0x558d99e6bec0), _217654)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _216720=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _202784=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _188848=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (197) [user] classify_and_convert_charseq(c, [d, e], _155194)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_232552, _232554), once(user:catch(read_from_chars([c, d, e], _155194), _232528, fail)), '$restore_trace'(_232552, _232554))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_232552, _232554))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _232528, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _240052)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _241910)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _249648)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _252352)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _267430)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _273000)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _274858)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _289012)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _273000)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _294582)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _308736)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _314306)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _316164)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _330318)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _314306)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _347960)
   Call: (201) [system] peek_char((0x558d99e6bec0), _348894)
   Exit: (201) [system] peek_char((0x558d99e6bec0), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_353614, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_354546, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x558d99e6bec0), m)
   Exit: (201) [system] get_char((0x558d99e6bec0), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _361896)
   Call: (202) [system] peek_char((0x558d99e6bec0), _362830)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_367550, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_368482, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _375832)
   Call: (203) [system] peek_char((0x558d99e6bec0), _376766)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_381486, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_382418, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _389768)
   Call: (204) [system] peek_char((0x558d99e6bec0), _390702)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_395422, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_396354, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _403704)
   Call: (205) [system] peek_char((0x558d99e6bec0), _404638)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_409358, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_410290, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x558d99e6bec0), c)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _417640)
   Call: (206) [system] peek_char((0x558d99e6bec0), _418574)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_423294, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_424226, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x558d99e6bec0), a)
   Exit: (206) [system] get_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _431576)
   Call: (207) [system] peek_char((0x558d99e6bec0), _432510)
   Exit: (207) [system] peek_char((0x558d99e6bec0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_437230, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_438162, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x558d99e6bec0), t)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _445512)
   Call: (208) [system] peek_char((0x558d99e6bec0), _446446)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_451166, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_452098, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _459448)
   Call: (209) [system] peek_char((0x558d99e6bec0), _460382)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_465102, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_466034, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _473384)
   Call: (210) [system] peek_char((0x558d99e6bec0), _474318)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_479038, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_479970, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _487320)
   Call: (211) [system] peek_char((0x558d99e6bec0), _488254)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _487320=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _473384=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (209) [system] _459448=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (208) [system] _445512=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (207) [system] _431576=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (206) [system] _417640=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (205) [system] _403704=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (204) [system] _389768=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (203) [system] _375832=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _361896=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _347960=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _314306)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_525504, _525506), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _314306), _525480, fail)), '$restore_trace'(_525504, _525506))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_525504, _525506))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _314306), _525480, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_314306)
   Fail: (201) [system] atomic(_314306)
   Call: (201) [system] atom_chars(_314306, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _534880)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _536738)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _544476)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _547180)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _562258)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _567828)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _569686)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _583840)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _567828)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _589410)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _603564)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _609134)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _610992)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _625146)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _609134)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _642788)
   Call: (204) [system] peek_char((0x558d99e6bec0), _643722)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_648442, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_649374, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _656724)
   Call: (205) [system] peek_char((0x558d99e6bec0), _657658)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_662378, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_663310, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (205) [system] get_char((0x558d99e6bec0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _670660)
   Call: (206) [system] peek_char((0x558d99e6bec0), _671594)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_676314, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_677246, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _684596)
   Call: (207) [system] peek_char((0x558d99e6bec0), _685530)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_690250, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_691182, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _698532)
   Call: (208) [system] peek_char((0x558d99e6bec0), _699466)
   Exit: (208) [system] peek_char((0x558d99e6bec0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_704186, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_705118, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x558d99e6bec0), k)
   Exit: (208) [system] get_char((0x558d99e6bec0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _712468)
   Call: (209) [system] peek_char((0x558d99e6bec0), _713402)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _712468=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _698532=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (207) [system] _684596=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (206) [system] _670660=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (205) [system] _656724=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (204) [system] _642788=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _609134)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_736682, _736684), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _609134), _736658, fail)), '$restore_trace'(_736682, _736684))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_736682, _736684))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _609134), _736658, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_609134)
   Fail: (204) [system] atomic(_609134)
   Call: (204) [system] atom_chars(_609134, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _746058)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _747916)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _755654)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _758358)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _773436)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _779006)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _780864)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _795018)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _779006)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _812660)
   Call: (205) [system] peek_char((0x558d99e6bec0), _813594)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _812660=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq('C', [], _779006)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_822904, _822906), once(user:catch(read_from_chars(['C'], _779006), _822880, fail)), '$restore_trace'(_822904, _822906))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_822904, _822906))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _779006), _822880, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_779006)
   Fail: (205) [system] atomic(_779006)
   Call: (205) [system] atom_chars(_779006, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _832280)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _834138)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _841876)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _844580)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _859658)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _865228)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _867086)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _881240)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _865228)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _898882)
   Call: (206) [system] peek_char((0x558d99e6bec0), _899816)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_904536, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _898882=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq('D', [], _865228)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_910998, _911000), once(user:catch(read_from_chars(['D'], _865228), _910974, fail)), '$restore_trace'(_910998, _911000))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_910998, _911000))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _865228), _910974, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_865228)
   Fail: (206) [system] atomic(_865228)
   Call: (206) [system] atom_chars(_865228, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _920374)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _922232)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _936386)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _940176)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _920374=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _832280=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (202) [system] _746058=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (201) [system] _567828=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _954058)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _955916)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _963654)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _966358)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _981436)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _987006)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _988864)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1003018)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _987006)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1020660)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1021594)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1026314, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1020660=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq('E', [], _987006)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1032776, _1032778), once(user:catch(read_from_chars(['E'], _987006), _1032752, fail)), '$restore_trace'(_1032776, _1032778))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1032776, _1032778))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _987006), _1032752, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_987006)
   Fail: (203) [system] atomic(_987006)
   Call: (203) [system] atom_chars(_987006, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1042152)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1044010)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1058164)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1061954)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1042152=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _954058=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (199) [system] _534880=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _273000=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1075836)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1077694)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1091848)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1095638)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1075836=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _240052=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _122246=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _29542=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1109520)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1111378)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1125532)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1129322)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1109520=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _3494=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3470=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3446=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3384=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1145998)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1147856)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1162010)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x558d99e6bec0), _1165800)
   Exit: (188) [system] get_char((0x558d99e6bec0), ')')
   Call: (188) [system] _1145998=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (187) [system] _3380=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x558d99e6bec0), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x558d99e6bec0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x558d99e6bec0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (178) [system] once(user:(read_position((0x558d99e6bec0), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111)), read_sexpr((0x558d99e6bec0), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1188038, _1188040, _1188042, _1188044, _1188046))
^  Exit: (178) [user] retract(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Call: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1190950))
^  Call: (180) [user] call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1190950)
^  Call: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1190950)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1193766))
^  Call: (183) [user] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1193766))
^  Call: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1193766)
^  Call: (185) [user] once(call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1196566))
^  Call: (186) [user] call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1196566)
^  Call: (187) [user] mfix_vars1([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1196566)
   Call: (188) [system] var([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] atom([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==true
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==false
   Call: (188) [system] (:)=='['
   Call: (188) [system] (:)=='{'
   Call: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1206788)
   Call: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, _1206788)
   Call: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1206788)
   Exit: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=='}'
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==[_1213304, _1213310]
   Call: (188) [system] fail
   Call: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1196566)
   Call: (189) [apply] apply:maplist_([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1196566, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(:, _1218884)
   Call: (191) [system] var(:)
   Call: (191) [system] atom(:)
   Exit: (191) [system] atom(:)
^  Call: (191) [user] symbol_concat($, _1222592, :)
   Call: (192) [system] atom_concat($, _1222592, :)
   Fail: (192) [system] atom_concat($, _1222592, :)
^  Fail: (191) [user] symbol_concat($, _1222592, :)
   Call: (191) [system] (:)==true
   Call: (191) [system] (:)==false
   Call: (191) [system] (:)==[_1228180, _1228186]
   Call: (191) [system] is_list(:)
   Call: (191) [system] string(:)
   Call: (191) [system] compound(:)
^  Call: (191) [user] symbol(:)
   Call: (192) [system] atom(:)
   Exit: (192) [system] atom(:)
^  Exit: (191) [user] symbol(:)
^  Exit: (190) [user] mfix_vars1(:, :)
   Call: (190) [apply] apply:maplist_([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1218886, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(synthesize, _1237448)
   Call: (192) [system] var(synthesize)
   Call: (192) [system] atom(synthesize)
   Exit: (192) [system] atom(synthesize)
^  Call: (192) [user] symbol_concat($, _1241156, synthesize)
   Call: (193) [system] atom_concat($, _1241156, synthesize)
   Fail: (193) [system] atom_concat($, _1241156, synthesize)
^  Fail: (192) [user] symbol_concat($, _1241156, synthesize)
   Call: (192) [system] synthesize==true
   Call: (192) [system] synthesize==false
   Call: (192) [system] synthesize==[_1246744, _1246750]
   Call: (192) [system] is_list(synthesize)
   Call: (192) [system] string(synthesize)
   Call: (192) [system] compound(synthesize)
^  Call: (192) [user] symbol(synthesize)
   Call: (193) [system] atom(synthesize)
   Exit: (193) [system] atom(synthesize)
^  Exit: (192) [user] symbol(synthesize)
^  Exit: (191) [user] mfix_vars1(synthesize, synthesize)
   Call: (191) [apply] apply:maplist_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1237450, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1256012)
   Call: (193) [system] var([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] atom([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==true
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==false
   Call: (193) [system] (->)=='['
   Call: (193) [system] (->)=='{'
   Call: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _1264356)
   Call: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _1264356)
   Call: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _1264356)
   Call: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _1264356)
   Call: (197) [lists] lists:last_([_a], 'Nat', _1264356)
   Call: (198) [lists] lists:last_([], _a, _1264356)
   Exit: (198) [lists] lists:last_([], _a, _a)
   Exit: (197) [lists] lists:last_([_a], 'Nat', _a)
   Exit: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _a)
   Exit: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _a)
   Exit: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _a)
   Exit: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _a)
   Call: (193) [system] _a=='}'
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==[_1276464, _1276470]
   Call: (193) [system] fail
   Call: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (193) [user] apply:maplist(mfix_vars1, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1256012)
   Call: (194) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1256012, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(->, _1282044)
   Call: (196) [system] var(->)
   Call: (196) [system] atom(->)
   Exit: (196) [system] atom(->)
^  Call: (196) [user] symbol_concat($, _1285752, ->)
   Call: (197) [system] atom_concat($, _1285752, ->)
   Fail: (197) [system] atom_concat($, _1285752, ->)
^  Fail: (196) [user] symbol_concat($, _1285752, ->)
   Call: (196) [system] (->)==true
   Call: (196) [system] (->)==false
   Call: (196) [system] (->)==[_1291340, _1291346]
   Call: (196) [system] is_list(->)
   Call: (196) [system] string(->)
   Call: (196) [system] compound(->)
^  Call: (196) [user] symbol(->)
   Call: (197) [system] atom(->)
   Exit: (197) [system] atom(->)
^  Exit: (196) [user] symbol(->)
^  Exit: (195) [user] mfix_vars1(->, ->)
   Call: (195) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1282046, user:mfix_vars1)
^  Call: (196) [user] mfix_vars1(_a, _1300608)
   Call: (197) [system] var(_a)
   Call: (197) [system] atom(_a)
   Call: (197) [system] _a==true
   Call: (197) [system] _a==false
   Call: (197) [system] _a==[_1305250, _1305256]
   Call: (197) [system] is_list(_a)
   Call: (197) [system] string(_a)
   Call: (197) [system] compound(_a)
   Exit: (197) [system] compound(_a)
   Call: (197) [system] compound_name_arguments(_a, _1309884, _1309886)
   Exit: (197) [system] compound_name_arguments(_a, '$VAR', ['_a'])
   Call: (197) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1315478))
^  Call: (183) [user] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1315478))
^  Call: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1315478)
^  Call: (185) [user] once(call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1318278))
^  Call: (186) [user] call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1318278)
^  Call: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1318278)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1190950))
^  Call: (183) [user] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1190950))
^  Call: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1190950)
^  Call: (185) [user] once(call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1332236))
^  Call: (186) [user] call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1332236)
^  Call: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1332236)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [system] call(user:untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (179) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (171) [user] read_sform((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
   Fail: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1726258747_317601, 98)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258757.5658052)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258757.5658052-1726258756.3628235
   Exit: (173) [system] 1.20298171043396 is 1726258757.5658052-1726258756.3628235
   Call: (173) [system] 1.20298171043396>4
   Fail: (173) [system] 1.20298171043396>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 15)
   Call: (175) [system] atom(15+1)
   Call: (175) [system] set_flag(translated_forms, 16)
   Exit: (175) [system] set_flag(translated_forms, 16)
   Exit: (174) [$syspreds] update_flag(translated_forms, 15, 15+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 15, 15+1))
   Exit: (171) [$syspreds] flag(translated_forms, 15, 15+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1726258747_317601, 98)
^  Call: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, _1384634, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1384636)
   Call: (173) [system] (:)==(:)
   Exit: (173) [system] (:)==(:)
   Call: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (173) [user] mangle_iz(ynthesize_long_1726258747_317601, _1384634)
^  Call: (174) [user] symbol_concat(ynthesize_long_1726258747_317601, '_iz', _1384634)
   Call: (175) [system] atom_concat(ynthesize_long_1726258747_317601, '_iz', _1384634)
   Exit: (175) [system] atom_concat(ynthesize_long_1726258747_317601, '_iz', ynthesize_long_1726258747_317601_iz)
^  Exit: (174) [user] symbol_concat(ynthesize_long_1726258747_317601, '_iz', ynthesize_long_1726258747_317601_iz)
^  Exit: (173) [user] mangle_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601_iz)
^  Call: (173) [user] apply:maplist(s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1385578)
   Call: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1385578, user:s2t)
^  Call: (175) [user] s2t(->, _1396746)
   Call: (176) [system] compound(->)
   Call: (176) [system] (->)=_1396746
   Exit: (176) [system] (->)=(->)
^  Exit: (175) [user] s2t(->, ->)
   Call: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1396748, user:s2t)
^  Call: (176) [user] s2t(_a, _1402320)
   Call: (177) [system] compound(_a)
   Exit: (177) [system] compound(_a)
   Call: (177) [system] is_list(_a)
^  Call: (177) [user] s2tl(_a, _1402320)
   Call: (178) [system] compound(_a)
   Exit: (178) [system] compound(_a)
^  Exit: (177) [user] s2tl(_a, _a)
^  Exit: (176) [user] s2t(_a, _a)
   Call: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], _1402322, user:s2t)
^  Call: (177) [user] s2t([->, _kt], _1411590)
   Call: (178) [system] compound([->, _kt])
   Exit: (178) [system] compound([->, _kt])
   Call: (178) [system] (->)==(->)
   Exit: (178) [system] (->)==(->)
^  Call: (178) [user] s2tl([_kt], _1416226)
   Call: (179) [system] compound([_kt])
   Exit: (179) [system] compound([_kt])
^  Call: (179) [user] s2t(_kt, _1419006)
   Call: (180) [system] compound(_kt)
   Exit: (180) [system] compound(_kt)
   Call: (180) [system] is_list(_kt)
^  Call: (180) [user] s2tl(_kt, _1419006)
   Call: (181) [system] compound(_kt)
   Exit: (181) [system] compound(_kt)
^  Exit: (180) [user] s2tl(_kt, _kt)
^  Exit: (179) [user] s2t(_kt, _kt)
^  Call: (179) [user] s2tl([], _1419008)
   Call: (180) [system] compound([])
   Call: (180) [system] []=_1419008
   Exit: (180) [system] []=[]
^  Exit: (179) [user] s2tl([], [])
^  Exit: (178) [user] s2tl([_kt], [_kt])
   Call: (178) [system] _1411590=..[->, [_kt]]
   Exit: (178) [system] ->([_kt])=..[->, [_kt]]
^  Exit: (177) [user] s2t([->, _kt], ->([_kt]))
   Call: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], _1411592, user:s2t)
^  Call: (178) [user] s2t([->, _rt], _1436640)
   Call: (179) [system] compound([->, _rt])
   Exit: (179) [system] compound([->, _rt])
   Call: (179) [system] (->)==(->)
   Exit: (179) [system] (->)==(->)
^  Call: (179) [user] s2tl([_rt], _1441276)
   Call: (180) [system] compound([_rt])
   Exit: (180) [system] compound([_rt])
^  Call: (180) [user] s2t(_rt, _1444056)
   Call: (181) [system] compound(_rt)
   Exit: (181) [system] compound(_rt)
   Call: (181) [system] is_list(_rt)
^  Call: (181) [user] s2tl(_rt, _1444056)
   Call: (182) [system] compound(_rt)
   Exit: (182) [system] compound(_rt)
^  Exit: (181) [user] s2tl(_rt, _rt)
^  Exit: (180) [user] s2t(_rt, _rt)
^  Call: (180) [user] s2tl([], _1444058)
   Call: (181) [system] compound([])
   Call: (181) [system] []=_1444058
   Exit: (181) [system] []=[]
^  Exit: (180) [user] s2tl([], [])
^  Exit: (179) [user] s2tl([_rt], [_rt])
   Call: (179) [system] _1436640=..[->, [_rt]]
   Exit: (179) [system] ->([_rt])=..[->, [_rt]]
^  Exit: (178) [user] s2t([->, _rt], ->([_rt]))
   Call: (178) [apply] apply:maplist_(['Nat', _a], _1436642, user:s2t)
^  Call: (179) [user] s2t('Nat', _1461690)
   Call: (180) [system] compound('Nat')
   Call: (180) [system] 'Nat'=_1461690
   Exit: (180) [system] 'Nat'='Nat'
^  Exit: (179) [user] s2t('Nat', 'Nat')
   Call: (179) [apply] apply:maplist_([_a], _1461692, user:s2t)
^  Call: (180) [user] s2t(_a, _1467264)
   Call: (181) [system] compound(_a)
   Exit: (181) [system] compound(_a)
   Call: (181) [system] is_list(_a)
^  Call: (181) [user] s2tl(_a, _1467264)
   Call: (182) [system] compound(_a)
   Exit: (182) [system] compound(_a)
^  Exit: (181) [user] s2tl(_a, _a)
^  Exit: (180) [user] s2t(_a, _a)
   Call: (180) [apply] apply:maplist_([], _1467266, user:s2t)
   Exit: (180) [apply] apply:maplist_([], [], user:s2t)
   Exit: (179) [apply] apply:maplist_([_a], [_a], user:s2t)
   Exit: (178) [apply] apply:maplist_(['Nat', _a], ['Nat', _a], user:s2t)
   Exit: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], [->([_rt]), 'Nat', _a], user:s2t)
   Exit: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], [->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], [_a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
^  Exit: (173) [apply] apply:maplist(user:s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601_iz, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Call: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], _1484930)
   Call: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Exit: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (173) [system] _1484930=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (173) [system] [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Exit: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (172) [system] _1490492=..[ynthesize_long_1726258747_317601_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (172) [system] ynthesize_long_1726258747_317601_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)=..[ynthesize_long_1726258747_317601_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Call: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1726258747_317601, 98)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 15, 15+1), write_metta_datalog_term((0x558d99f9b220), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], ynthesize_long_1726258747_317601, 98)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 105)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 105))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 105))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1515692)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1523114)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _1530536)
   Exit: (176) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (176) [system] char_type('\n', space)
   Exit: (176) [system] char_type('\n', space)
   Call: (176) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (176) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (176) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1537958)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
^  Call: (177) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (178) [system] string((0x558d99e6bec0))
^  Exit: (177) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (177) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (178) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (179) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (179) [system] peek_char((0x558d99e6bec0), _1546296)
   Exit: (179) [system] peek_char((0x558d99e6bec0), '(')
   Call: (179) [system] char_type('(', space)
   Call: (179) [system] _1549082=(0x558d99e6bec0)
   Exit: (179) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (179) [user] once((read_position((0x558d99e6bec0), _1550950, _1550952, _1550954, _1550956), read_sexpr((0x558d99e6bec0), _1550968), assertz(metta_file_comment(_1550950, _1550952, _1550954, _1550968, _1550956))))
^  Call: (181) [user] read_position((0x558d99e6bec0), _1550950, _1550952, _1550954, _1550956)
   Call: (182) [system] stream_property((0x558d99e6bec0), position(_1550956))
   Call: (183) [system] nonvar((0x558d99e6bec0))
   Exit: (183) [system] nonvar((0x558d99e6bec0))
   Call: (183) [system] nonvar(position(_1550956))
   Exit: (183) [system] nonvar(position(_1550956))
   Exit: (182) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4259, 108, 0, 4259)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), _1550950)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1561208)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), _1550950)
   Exit: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), 108)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), 108)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), _1550952)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1568642)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), _1550952)
   Exit: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), _1550954)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1576076)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), _1550954)
   Exit: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), 4259)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), 4259)
^  Exit: (181) [user] read_position((0x558d99e6bec0), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259))
^  Call: (181) [user] read_sexpr((0x558d99e6bec0), _1550968)
   Call: (182) [system] string((0x558d99e6bec0))
   Fail: (182) [system] string((0x558d99e6bec0))
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1550968)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1586302)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=(;)
   Fail: (184) [system] '('=(;)
^  Call: (184) [user] is_like_space('(')
   Call: (185) [system] char_type('(', 'white')
   Fail: (185) [system] char_type('(', 'white')
   Call: (185) [system] char_type('(', end_of_line)
   Fail: (185) [system] char_type('(', end_of_line)
   Call: (185) [system] char_type('(', space)
   Fail: (185) [system] char_type('(', space)
   Call: (185) [system] char_type('(', cntrl)
   Fail: (185) [system] char_type('(', cntrl)
^  Fail: (184) [user] is_like_space('(')
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1600456)
   Exit: (183) [system] get_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('='('
   Exit: (183) [system] '('='('
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1550968)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1606026)
   Exit: (185) [system] peek_char((0x558d99e6bec0), :)
   Call: (185) [system] (:)=(;)
   Fail: (185) [system] (:)=(;)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Fail: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Fail: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Fail: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
   Fail: (186) [system] char_type(:, cntrl)
^  Fail: (185) [user] is_like_space(:)
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1620180)
   Exit: (184) [system] peek_char((0x558d99e6bec0), :)
   Call: (184) [system] (:)=')'
   Fail: (184) [system] (:)=')'
   Call: (184) [system] (:)=end_of_file
   Fail: (184) [system] (:)=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1625750)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1627608)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=(;)
   Fail: (186) [system] (:)=(;)
^  Call: (186) [user] is_like_space(:)
   Call: (187) [system] char_type(:, 'white')
   Fail: (187) [system] char_type(:, 'white')
   Call: (187) [system] char_type(:, end_of_line)
   Fail: (187) [system] char_type(:, end_of_line)
   Call: (187) [system] char_type(:, space)
   Fail: (187) [system] char_type(:, space)
   Call: (187) [system] char_type(:, cntrl)
   Fail: (187) [system] char_type(:, cntrl)
^  Fail: (186) [user] is_like_space(:)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _1641762)
   Exit: (185) [system] get_char((0x558d99e6bec0), :)
   Call: (185) [system] (:)='('
   Fail: (185) [system] (:)='('
   Call: (185) [system] (:)='['
   Fail: (185) [system] (:)='['
   Call: (185) [system] (:)='{'
   Fail: (185) [system] (:)='{'
   Call: (185) [system] (:)='"'
   Fail: (185) [system] (:)='"'
   Call: (185) [system] (:)=!
   Fail: (185) [system] (:)=!
   Call: (185) [system] (:)='\''
   Fail: (185) [system] (:)='\''
   Call: (185) [system] (:)='`'
   Fail: (185) [system] (:)='`'
   Call: (185) [system] (:)=end_of_file
   Fail: (185) [system] (:)=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x558d99e6bec0), :, _1625750)
^  Call: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1659404)
   Call: (187) [system] peek_char((0x558d99e6bec0), _1660338)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] is_delimiter(' ')
   Call: (188) [system] char_type(' ', space)
   Exit: (188) [system] char_type(' ', space)
^  Exit: (187) [user] is_delimiter(' ')
   Call: (187) [system] _1659404=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (186) [user] classify_and_convert_charseq(:, [], _1625750)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_1669648, _1669650), once(user:catch(read_from_chars([:], _1625750), _1669624, fail)), '$restore_trace'(_1669648, _1669650))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_1669648, _1669650))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1669624, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (185) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1677148)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1679006)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (186) [system] ' '=(;)
   Fail: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x558d99e6bec0), _1686744)
   Exit: (186) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1689448)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1704526)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1710096)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1711954)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1726108)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _1710096)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1743750)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1744684)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1749404, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1750336, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1757686)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1758620)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1757686=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1743750=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1710096)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1770724, _1770726), once(user:catch(read_from_chars([r, b], _1710096), _1770700, fail)), '$restore_trace'(_1770724, _1770726))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1770724, _1770726))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1770700, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1778224)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1780082)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1787820)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1790524)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1805602)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1811172)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1813030)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1827184)
   Exit: (187) [system] get_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1811172)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1832754)
   Exit: (189) [system] peek_char((0x558d99e6bec0), -)
   Call: (189) [system] (-)=(;)
   Fail: (189) [system] (-)=(;)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Fail: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Fail: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Fail: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
   Fail: (190) [system] char_type(-, cntrl)
^  Fail: (189) [user] is_like_space(-)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1846908)
   Exit: (188) [system] peek_char((0x558d99e6bec0), -)
   Call: (188) [system] (-)=')'
   Fail: (188) [system] (-)=')'
   Call: (188) [system] (-)=end_of_file
   Fail: (188) [system] (-)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1852478)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1854336)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=(;)
   Fail: (190) [system] (-)=(;)
^  Call: (190) [user] is_like_space(-)
   Call: (191) [system] char_type(-, 'white')
   Fail: (191) [system] char_type(-, 'white')
   Call: (191) [system] char_type(-, end_of_line)
   Fail: (191) [system] char_type(-, end_of_line)
   Call: (191) [system] char_type(-, space)
   Fail: (191) [system] char_type(-, space)
   Call: (191) [system] char_type(-, cntrl)
   Fail: (191) [system] char_type(-, cntrl)
^  Fail: (190) [user] is_like_space(-)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1868490)
   Exit: (189) [system] get_char((0x558d99e6bec0), -)
   Call: (189) [system] (-)='('
   Fail: (189) [system] (-)='('
   Call: (189) [system] (-)='['
   Fail: (189) [system] (-)='['
   Call: (189) [system] (-)='{'
   Fail: (189) [system] (-)='{'
   Call: (189) [system] (-)='"'
   Fail: (189) [system] (-)='"'
   Call: (189) [system] (-)=!
   Fail: (189) [system] (-)=!
   Call: (189) [system] (-)='\''
   Fail: (189) [system] (-)='\''
   Call: (189) [system] (-)='`'
   Fail: (189) [system] (-)='`'
   Call: (189) [system] (-)=end_of_file
   Fail: (189) [system] (-)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), -, _1852478)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1886132)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1887066)
   Exit: (191) [system] peek_char((0x558d99e6bec0), >)
^  Call: (191) [user] is_delimiter(>)
   Call: (192) [system] char_type(>, space)
   Fail: (192) [system] char_type(>, space)
   Call: (192) [system] arg(_1891786, v('(', ')', end_of_file), >)
   Fail: (192) [system] arg(_1892718, v('(', ')', end_of_file), >)
^  Fail: (191) [user] is_delimiter(>)
   Call: (191) [system] ')'==(>)
   Fail: (191) [system] ')'==(>)
   Call: (191) [system] get_char((0x558d99e6bec0), >)
   Exit: (191) [system] get_char((0x558d99e6bec0), >)
   Call: (191) [system] (>)=(\)
   Fail: (191) [system] (>)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1900068)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1901002)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1900068=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (191) [system] _1886132=[>]
   Exit: (191) [system] [>]=[>]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (190) [user] classify_and_convert_charseq(-, [>], _1852478)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1913106, _1913108), once(user:catch(read_from_chars([-, >], _1852478), _1913082, fail)), '$restore_trace'(_1913106, _1913108))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1913106, _1913108))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1913082, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1920606)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1922464)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1930202)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1932906)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1947984)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (189) [system] 'A'=')'
   Fail: (189) [system] 'A'=')'
   Call: (189) [system] 'A'=end_of_file
   Fail: (189) [system] 'A'=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _1953554)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1955412)
   Exit: (191) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (191) [system] 'A'=(;)
   Fail: (191) [system] 'A'=(;)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Fail: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Fail: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Fail: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
   Fail: (192) [system] char_type('A', cntrl)
^  Fail: (191) [user] is_like_space('A')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _1969566)
   Exit: (190) [system] get_char((0x558d99e6bec0), 'A')
   Call: (190) [system] 'A'='('
   Fail: (190) [system] 'A'='('
   Call: (190) [system] 'A'='['
   Fail: (190) [system] 'A'='['
   Call: (190) [system] 'A'='{'
   Fail: (190) [system] 'A'='{'
   Call: (190) [system] 'A'='"'
   Fail: (190) [system] 'A'='"'
   Call: (190) [system] 'A'=!
   Fail: (190) [system] 'A'=!
   Call: (190) [system] 'A'='\''
   Fail: (190) [system] 'A'='\''
   Call: (190) [system] 'A'='`'
   Fail: (190) [system] 'A'='`'
   Call: (190) [system] 'A'=end_of_file
   Fail: (190) [system] 'A'=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1953554)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1987208)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1988142)
   Exit: (192) [system] peek_char((0x558d99e6bec0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1992862, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1993794, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x558d99e6bec0), t)
   Exit: (192) [system] get_char((0x558d99e6bec0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2001144)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2002078)
   Exit: (193) [system] peek_char((0x558d99e6bec0), o)
^  Call: (193) [user] is_delimiter(o)
   Call: (194) [system] char_type(o, space)
   Fail: (194) [system] char_type(o, space)
   Call: (194) [system] arg(_2006798, v('(', ')', end_of_file), o)
   Fail: (194) [system] arg(_2007730, v('(', ')', end_of_file), o)
^  Fail: (193) [user] is_delimiter(o)
   Call: (193) [system] ')'==o
   Fail: (193) [system] ')'==o
   Call: (193) [system] get_char((0x558d99e6bec0), o)
   Exit: (193) [system] get_char((0x558d99e6bec0), o)
   Call: (193) [system] o=(\)
   Fail: (193) [system] o=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2015080)
   Call: (194) [system] peek_char((0x558d99e6bec0), _2016014)
   Exit: (194) [system] peek_char((0x558d99e6bec0), m)
^  Call: (194) [user] is_delimiter(m)
   Call: (195) [system] char_type(m, space)
   Fail: (195) [system] char_type(m, space)
   Call: (195) [system] arg(_2020734, v('(', ')', end_of_file), m)
   Fail: (195) [system] arg(_2021666, v('(', ')', end_of_file), m)
^  Fail: (194) [user] is_delimiter(m)
   Call: (194) [system] ')'==m
   Fail: (194) [system] ')'==m
   Call: (194) [system] get_char((0x558d99e6bec0), m)
   Exit: (194) [system] get_char((0x558d99e6bec0), m)
   Call: (194) [system] m=(\)
   Fail: (194) [system] m=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2029016)
   Call: (195) [system] peek_char((0x558d99e6bec0), _2029950)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_2034670, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _2029016=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _2015080=[m]
   Exit: (194) [system] [m]=[m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (193) [system] _2001144=[o, m]
   Exit: (193) [system] [o, m]=[o, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, m])
   Call: (192) [system] _1987208=[t, o, m]
   Exit: (192) [system] [t, o, m]=[t, o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, o, m])
^  Call: (191) [user] classify_and_convert_charseq('A', [t, o, m], _1953554)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_2049514, _2049516), once(user:catch(read_from_chars(['A', t, o, m], _1953554), _2049490, fail)), '$restore_trace'(_2049514, _2049516))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_2049514, _2049516))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _1953554), _2049490, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_1953554)
   Fail: (192) [system] atomic(_1953554)
   Call: (192) [system] atom_chars(_1953554, ['A', t, o, m])
   Exit: (192) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (191) [user] classify_and_convert_charseq('A', [t, o, m], 'Atom')
^  Exit: (190) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'Atom')
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), 'Atom')
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _2058890)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2060748)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ')')
   Call: (191) [system] ')'=(;)
   Fail: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Fail: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Fail: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Fail: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
   Fail: (192) [system] char_type(')', cntrl)
^  Fail: (191) [user] is_like_space(')')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2074902)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x558d99e6bec0), _2078692)
   Exit: (190) [system] get_char((0x558d99e6bec0), ')')
   Call: (190) [system] _2058890=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (189) [system] _1920606=['Atom']
   Exit: (189) [system] ['Atom']=['Atom']
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), ['Atom'])
   Call: (188) [system] _1811172=[->, 'Atom']
   Exit: (188) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [->, 'Atom'])
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), [->, 'Atom'])
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _2089780)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _2091638)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ')')
   Call: (188) [system] ')'=(;)
   Fail: (188) [system] ')'=(;)
^  Call: (188) [user] is_like_space(')')
   Call: (189) [system] char_type(')', 'white')
   Fail: (189) [system] char_type(')', 'white')
   Call: (189) [system] char_type(')', end_of_line)
   Fail: (189) [system] char_type(')', end_of_line)
   Call: (189) [system] char_type(')', space)
   Fail: (189) [system] char_type(')', space)
   Call: (189) [system] char_type(')', cntrl)
   Fail: (189) [system] char_type(')', cntrl)
^  Fail: (188) [user] is_like_space(')')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _12374)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=')'
   Exit: (187) [system] ')'=')'
   Call: (187) [system] get_char((0x558d99e6bec0), _16164)
   Exit: (187) [system] get_char((0x558d99e6bec0), ')')
   Call: (187) [system] _3390=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (186) [system] _3372=[[->, 'Atom']]
   Exit: (186) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [[->, 'Atom']])
   Call: (185) [system] _3366=[rb, [->, 'Atom']]
   Exit: (185) [system] [rb, [->, 'Atom']]=[rb, [->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb, [->, 'Atom']])
   Call: (184) [system] _3326=[:, rb, [->, 'Atom']]
   Exit: (184) [system] [:, rb, [->, 'Atom']]=[:, rb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [:, rb, [->, 'Atom']])
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), [:, rb, [->, 'Atom']])
^  Exit: (181) [user] read_sexpr((0x558d99e6bec0), [:, rb, [->, 'Atom']])
^  Call: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (179) [system] once(user:(read_position((0x558d99e6bec0), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259)), read_sexpr((0x558d99e6bec0), [:, rb, [->, 'Atom']]), assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))))
   Call: (179) [system] fail
^  Call: (179) [user] retract(metta_file_comment(_34682, _34684, _34686, _34688, _34690))
^  Exit: (179) [user] retract(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Call: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _3084)
^  Call: (180) [user] once(call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _37520))
^  Call: (181) [user] call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _37520)
^  Call: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _37520)
^  Call: (183) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _40336))
^  Call: (184) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _40336))
^  Call: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _40336)
^  Call: (186) [user] once(call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _43136))
^  Call: (187) [user] call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _43136)
^  Call: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _43136)
   Call: (189) [system] var('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] atom('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==true
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==false
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==[_49656, _49662]
   Call: (189) [system] is_list('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] string('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Exit: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _54290, _54292)
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] '$COMMENT'\=='$VAR'
   Exit: (189) [system] '$COMMENT'\=='$VAR'
^  Call: (189) [user] apply:maplist(mfix_vars1, [";; Nullary rule (axiom)", 50, 0], _58032)
   Call: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], _58032, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(";; Nullary rule (axiom)", _59912)
   Call: (192) [system] var(";; Nullary rule (axiom)")
   Call: (192) [system] atom(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"==true
   Call: (192) [system] ";; Nullary rule (axiom)"==false
   Call: (192) [system] ";; Nullary rule (axiom)"==[_64554, _64560]
   Call: (192) [system] is_list(";; Nullary rule (axiom)")
   Call: (192) [system] string(";; Nullary rule (axiom)")
   Exit: (192) [system] string(";; Nullary rule (axiom)")
^  Call: (192) [user] string_to_syms
   Call: (193) [system] fail
   Call: (192) [system] compound(";; Nullary rule (axiom)")
^  Call: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (193) [system] atom(";; Nullary rule (axiom)")
   Fail: (193) [system] atom(";; Nullary rule (axiom)")
^  Fail: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"=_59912
   Exit: (192) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
^  Exit: (191) [user] mfix_vars1(";; Nullary rule (axiom)", ";; Nullary rule (axiom)")
   Call: (191) [apply] apply:maplist_([50, 0], _59914, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(50, _78434)
   Call: (193) [system] var(50)
   Call: (193) [system] atom(50)
   Call: (193) [system] 50==true
   Call: (193) [system] 50==false
   Call: (193) [system] 50==[_83076, _83082]
   Call: (193) [system] is_list(50)
   Call: (193) [system] string(50)
   Call: (193) [system] compound(50)
^  Call: (193) [user] symbol(50)
   Call: (194) [system] atom(50)
   Fail: (194) [system] atom(50)
^  Fail: (193) [user] symbol(50)
   Call: (193) [system] 50=_78434
   Exit: (193) [system] 50=50
^  Exit: (192) [user] mfix_vars1(50, 50)
   Call: (192) [apply] apply:maplist_([0], _78436, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(0, _94200)
   Call: (194) [system] var(0)
   Call: (194) [system] atom(0)
   Call: (194) [system] 0==true
   Call: (194) [system] 0==false
   Call: (194) [system] 0==[_98842, _98848]
   Call: (194) [system] is_list(0)
   Call: (194) [system] string(0)
   Call: (194) [system] compound(0)
^  Call: (194) [user] symbol(0)
   Call: (195) [system] atom(0)
   Fail: (195) [system] atom(0)
^  Fail: (194) [user] symbol(0)
   Call: (194) [system] 0=_94200
   Exit: (194) [system] 0=0
^  Exit: (193) [user] mfix_vars1(0, 0)
   Call: (193) [apply] apply:maplist_([], _94202, user:mfix_vars1)
   Exit: (193) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([50, 0], [50, 0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0], user:mfix_vars1)
^  Exit: (189) [apply] apply:maplist(user:mfix_vars1, [";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] compound_name_arguments(_43136, '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
^  Exit: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _123018))
^  Call: (184) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _123018))
^  Call: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _123018)
^  Call: (186) [user] once(call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _125818))
^  Call: (187) [user] call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _125818)
^  Call: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _125818)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _37520))
^  Call: (184) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _37520))
^  Call: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _37520)
^  Call: (186) [user] once(call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _139776))
^  Call: (187) [user] call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _139776)
^  Call: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _139776)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (181) [system] call(user:untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (180) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (180) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (178) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (177) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (176) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1726258747_317601, 105)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258757.672585)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258757.672585-1726258756.3628235
   Exit: (173) [system] 1.3097615242004395 is 1726258757.672585-1726258756.3628235
   Call: (173) [system] 1.3097615242004395>4
   Fail: (173) [system] 1.3097615242004395>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 16)
   Call: (175) [system] atom(16+1)
   Call: (175) [system] set_flag(translated_forms, 17)
   Exit: (175) [system] set_flag(translated_forms, 17)
   Exit: (174) [$syspreds] update_flag(translated_forms, 16, 16+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 16, 16+1))
   Exit: (171) [$syspreds] flag(translated_forms, 16, 16+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1726258747_317601, 105)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1726258747_317601, 105)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 16, 16+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), ynthesize_long_1726258747_317601, 105)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 108)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 108))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 108))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _216416)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _223838)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _232176)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _234962=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _236830, _236832, _236834, _236836), read_sexpr((0x558d99e6bec0), _236848), assertz(metta_file_comment(_236830, _236832, _236834, _236848, _236836))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _236830, _236832, _236834, _236836)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_236836))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_236836))
   Exit: (181) [system] nonvar(position(_236836))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4276, 109, 0, 4276)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), _236830)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _247088)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), _236830)
   Exit: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), 109)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), 109)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), _236832)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _254522)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), _236832)
   Exit: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), _236834)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _261956)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), _236834)
   Exit: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), 4276)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), 4276)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _236848)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _236848)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _272182)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _286336)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _236848)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _291906)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _306060)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _311630)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _313488)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _327642)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _311630)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _345284)
   Call: (185) [system] peek_char((0x558d99e6bec0), _346218)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _345284=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _311630)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_355528, _355530), once(user:catch(read_from_chars([=], _311630), _355504, fail)), '$restore_trace'(_355528, _355530))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_355528, _355530))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _355504, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _363028)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _364886)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _372624)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _375328)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _390406)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _395976)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _397834)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _411988)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _395976)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _417558)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _431712)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _437282)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _439140)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _453294)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _437282)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _470936)
   Call: (188) [system] peek_char((0x558d99e6bec0), _471870)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_476590, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_477522, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _484872)
   Call: (189) [system] peek_char((0x558d99e6bec0), _485806)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_490526, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _484872=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _470936=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _437282)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_499782, _499784), once(user:catch(read_from_chars([r, b], _437282), _499758, fail)), '$restore_trace'(_499782, _499784))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_499782, _499784))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _499758, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _507282)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _509140)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _523294)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _527084)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _507282=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _395976=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _535378)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _537236)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _544974)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _547678)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _562756)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _568326)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _570184)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _584338)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _568326)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _589908)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _604062)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _609632)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _611490)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _625644)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _609632)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _643286)
   Call: (189) [system] peek_char((0x558d99e6bec0), _644220)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _643286=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _609632)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_653530, _653532), once(user:catch(read_from_chars([:], _609632), _653506, fail)), '$restore_trace'(_653530, _653532))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_653530, _653532))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _653506, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _661030)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _662888)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _670626)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _673330)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _688408)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'M')
   Call: (187) [system] 'M'=')'
   Fail: (187) [system] 'M'=')'
   Call: (187) [system] 'M'=end_of_file
   Fail: (187) [system] 'M'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _693978)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _695836)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'M')
   Call: (189) [system] 'M'=(;)
   Fail: (189) [system] 'M'=(;)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Fail: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Fail: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Fail: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
   Fail: (190) [system] char_type('M', cntrl)
^  Fail: (189) [user] is_like_space('M')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _709990)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'M')
   Call: (188) [system] 'M'='('
   Fail: (188) [system] 'M'='('
   Call: (188) [system] 'M'='['
   Fail: (188) [system] 'M'='['
   Call: (188) [system] 'M'='{'
   Fail: (188) [system] 'M'='{'
   Call: (188) [system] 'M'='"'
   Fail: (188) [system] 'M'='"'
   Call: (188) [system] 'M'=!
   Fail: (188) [system] 'M'=!
   Call: (188) [system] 'M'='\''
   Fail: (188) [system] 'M'='\''
   Call: (188) [system] 'M'='`'
   Fail: (188) [system] 'M'='`'
   Call: (188) [system] 'M'=end_of_file
   Fail: (188) [system] 'M'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'M', _693978)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _727632)
   Call: (190) [system] peek_char((0x558d99e6bec0), _728566)
   Exit: (190) [system] peek_char((0x558d99e6bec0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_733286, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_734218, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x558d99e6bec0), o)
   Exit: (190) [system] get_char((0x558d99e6bec0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _741568)
   Call: (191) [system] peek_char((0x558d99e6bec0), _742502)
   Exit: (191) [system] peek_char((0x558d99e6bec0), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_747222, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_748154, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x558d99e6bec0), d)
   Exit: (191) [system] get_char((0x558d99e6bec0), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _755504)
   Call: (192) [system] peek_char((0x558d99e6bec0), _756438)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_761158, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_762090, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _769440)
   Call: (193) [system] peek_char((0x558d99e6bec0), _770374)
   Exit: (193) [system] peek_char((0x558d99e6bec0), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Fail: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_775094, v('(', ')', end_of_file), s)
   Fail: (194) [system] arg(_776026, v('(', ')', end_of_file), s)
^  Fail: (193) [user] is_delimiter(s)
   Call: (193) [system] ')'==s
   Fail: (193) [system] ')'==s
   Call: (193) [system] get_char((0x558d99e6bec0), s)
   Exit: (193) [system] get_char((0x558d99e6bec0), s)
   Call: (193) [system] s=(\)
   Fail: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _783376)
   Call: (194) [system] peek_char((0x558d99e6bec0), _784310)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'P')
^  Call: (194) [user] is_delimiter('P')
   Call: (195) [system] char_type('P', space)
   Fail: (195) [system] char_type('P', space)
   Call: (195) [system] arg(_789030, v('(', ')', end_of_file), 'P')
   Fail: (195) [system] arg(_789962, v('(', ')', end_of_file), 'P')
^  Fail: (194) [user] is_delimiter('P')
   Call: (194) [system] ')'=='P'
   Fail: (194) [system] ')'=='P'
   Call: (194) [system] get_char((0x558d99e6bec0), 'P')
   Exit: (194) [system] get_char((0x558d99e6bec0), 'P')
   Call: (194) [system] 'P'=(\)
   Fail: (194) [system] 'P'=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _797312)
   Call: (195) [system] peek_char((0x558d99e6bec0), _798246)
   Exit: (195) [system] peek_char((0x558d99e6bec0), o)
^  Call: (195) [user] is_delimiter(o)
   Call: (196) [system] char_type(o, space)
   Fail: (196) [system] char_type(o, space)
   Call: (196) [system] arg(_802966, v('(', ')', end_of_file), o)
   Fail: (196) [system] arg(_803898, v('(', ')', end_of_file), o)
^  Fail: (195) [user] is_delimiter(o)
   Call: (195) [system] ')'==o
   Fail: (195) [system] ')'==o
   Call: (195) [system] get_char((0x558d99e6bec0), o)
   Exit: (195) [system] get_char((0x558d99e6bec0), o)
   Call: (195) [system] o=(\)
   Fail: (195) [system] o=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _811248)
   Call: (196) [system] peek_char((0x558d99e6bec0), _812182)
   Exit: (196) [system] peek_char((0x558d99e6bec0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_816902, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_817834, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x558d99e6bec0), n)
   Exit: (196) [system] get_char((0x558d99e6bec0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _825184)
   Call: (197) [system] peek_char((0x558d99e6bec0), _826118)
   Exit: (197) [system] peek_char((0x558d99e6bec0), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_830838, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_831770, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x558d99e6bec0), e)
   Exit: (197) [system] get_char((0x558d99e6bec0), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _839120)
   Call: (198) [system] peek_char((0x558d99e6bec0), _840054)
   Exit: (198) [system] peek_char((0x558d99e6bec0), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_844774, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_845706, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x558d99e6bec0), n)
   Exit: (198) [system] get_char((0x558d99e6bec0), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _853056)
   Call: (199) [system] peek_char((0x558d99e6bec0), _853990)
   Exit: (199) [system] peek_char((0x558d99e6bec0), s)
^  Call: (199) [user] is_delimiter(s)
   Call: (200) [system] char_type(s, space)
   Fail: (200) [system] char_type(s, space)
   Call: (200) [system] arg(_858710, v('(', ')', end_of_file), s)
   Fail: (200) [system] arg(_859642, v('(', ')', end_of_file), s)
^  Fail: (199) [user] is_delimiter(s)
   Call: (199) [system] ')'==s
   Fail: (199) [system] ')'==s
   Call: (199) [system] get_char((0x558d99e6bec0), s)
   Exit: (199) [system] get_char((0x558d99e6bec0), s)
   Call: (199) [system] s=(\)
   Fail: (199) [system] s=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _866992)
   Call: (200) [system] peek_char((0x558d99e6bec0), _867926)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _866992=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _853056=[s]
   Exit: (199) [system] [s]=[s]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s])
   Call: (198) [system] _839120=[n, s]
   Exit: (198) [system] [n, s]=[n, s]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, s])
   Call: (197) [system] _825184=[e, n, s]
   Exit: (197) [system] [e, n, s]=[e, n, s]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, n, s])
   Call: (196) [system] _811248=[n, e, n, s]
   Exit: (196) [system] [n, e, n, s]=[n, e, n, s]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, e, n, s])
   Call: (195) [system] _797312=[o, n, e, n, s]
   Exit: (195) [system] [o, n, e, n, s]=[o, n, e, n, s]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, e, n, s])
   Call: (194) [system] _783376=['P', o, n, e, n, s]
   Exit: (194) [system] ['P', o, n, e, n, s]=['P', o, n, e, n, s]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['P', o, n, e, n, s])
   Call: (193) [system] _769440=[s, 'P', o, n, e, n, s]
   Exit: (193) [system] [s, 'P', o, n, e, n, s]=[s, 'P', o, n, e, n, s]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, 'P', o, n, e, n, s])
   Call: (192) [system] _755504=[u, s, 'P', o, n, e, n, s]
   Exit: (192) [system] [u, s, 'P', o, n, e, n, s]=[u, s, 'P', o, n, e, n, s]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, s, 'P', o, n, e, n, s])
   Call: (191) [system] _741568=[d, u, s, 'P', o, n, e, n, s]
   Exit: (191) [system] [d, u, s, 'P', o, n, e, n, s]=[d, u, s, 'P', o, n, e, n, s]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, s, 'P', o, n, e, n, s])
   Call: (190) [system] _727632=[o, d, u, s, 'P', o, n, e, n, s]
   Exit: (190) [system] [o, d, u, s, 'P', o, n, e, n, s]=[o, d, u, s, 'P', o, n, e, n, s]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, s, 'P', o, n, e, n, s])
^  Call: (189) [user] classify_and_convert_charseq('M', [o, d, u, s, 'P', o, n, e, n, s], _693978)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_905176, _905178), once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _693978), _905152, fail)), '$restore_trace'(_905176, _905178))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_905176, _905178))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _693978), _905152, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_693978)
   Fail: (190) [system] atomic(_693978)
   Call: (190) [system] atom_chars(_693978, ['M', o, d, u, s, 'P', o, n, e, n, s])
   Exit: (190) [system] atom_chars('ModusPonens', ['M', o, d, u, s, 'P', o, n, e, n, s])
^  Exit: (189) [user] classify_and_convert_charseq('M', [o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'M', 'ModusPonens')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'ModusPonens')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _914552)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _916410)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _924148)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _926852)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _941930)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _947500)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _949358)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _963512)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _947500)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _969082)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _983236)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _988806)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _990664)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1004818)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _988806)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1022460)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1023394)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1028114, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1029046, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1036396)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1037330)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1036396=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1022460=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _988806)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1049434, _1049436), once(user:catch(read_from_chars([-, >], _988806), _1049410, fail)), '$restore_trace'(_1049434, _1049436))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1049434, _1049436))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1049410, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1056934)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1058792)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1066530)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1069234)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1084312)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1089882)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1091740)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1105894)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1089882)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1111464)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1125618)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1131188)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1133046)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1147200)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1131188)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1164842)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1165776)
   Exit: (196) [system] peek_char((0x558d99e6bec0), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1170496, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1171428, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x558d99e6bec0), m)
   Exit: (196) [system] get_char((0x558d99e6bec0), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1178778)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1179712)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1184432, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1185364, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1192714)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1193648)
   Exit: (198) [system] peek_char((0x558d99e6bec0), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1198368, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1199300, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x558d99e6bec0), l)
   Exit: (198) [system] get_char((0x558d99e6bec0), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1206650)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1207584)
   Exit: (199) [system] peek_char((0x558d99e6bec0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1212304, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1213236, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x558d99e6bec0), i)
   Exit: (199) [system] get_char((0x558d99e6bec0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1220586)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1221520)
   Exit: (200) [system] peek_char((0x558d99e6bec0), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1226240, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1227172, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x558d99e6bec0), c)
   Exit: (200) [system] get_char((0x558d99e6bec0), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1234522)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1235456)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1240176, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1241108, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x558d99e6bec0), a)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1248458)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1249392)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1254112, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1255044, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1262394)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1263328)
   Exit: (203) [system] peek_char((0x558d99e6bec0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1268048, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1268980, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x558d99e6bec0), i)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1276330)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1277264)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1281984, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1282916, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1290266)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1291200)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1295920, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1296852, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1304202)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1305136)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1309856, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1310788, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (206) [system] get_char((0x558d99e6bec0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1318138)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1319072)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1323792, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1324724, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1332074)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1333008)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1337728, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1338660, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1346010)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1346944)
   Exit: (209) [system] peek_char((0x558d99e6bec0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1351664, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1352596, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x558d99e6bec0), k)
   Exit: (209) [system] get_char((0x558d99e6bec0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1359946)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1360880)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1359946=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1346010=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (208) [system] _1332074=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (207) [system] _1318138=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (206) [system] _1304202=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (205) [system] _1290266=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'L', i, n, k])
   Call: (204) [system] _1276330=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'L', i, n, k])
   Call: (203) [system] _1262394=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1248458=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1234522=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1220586=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1206650=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1192714=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1178778=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1164842=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1131188)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1409306, _1409308), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1131188), _1409282, fail)), '$restore_trace'(_1409306, _1409308))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1409306, _1409308))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1131188), _1409282, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1131188)
   Fail: (196) [system] atomic(_1131188)
   Call: (196) [system] atom_chars(_1131188, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (196) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1418682)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1420540)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1428278)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1430982)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1446060)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1451630)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1453488)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1467642)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1451630)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1485284)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1486218)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1490938, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1491870, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1499220)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1500154)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1499220=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1485284=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1451630)
   Call: (197) [system] atom_chars(_1512232, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1516896)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1518754)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1526492)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1529196)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1544274)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1549844)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1551702)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1565856)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _1549844)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1583498)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1584432)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1589152, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1590084, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1597434)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1598368)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1603088, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1597434=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1583498=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1549844)
   Call: (198) [system] atom_chars(_1612318, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1616982)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1618840)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1632994)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1636784)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1616982=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1516896=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _1418682=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (193) [system] _1089882=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1650666)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1652524)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1660262)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1662966)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1678044)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1683614)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1685472)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1699626)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _1683614)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1717268)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1718202)
   Exit: (195) [system] peek_char((0x558d99e6bec0), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1722922, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_1723854, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x558d99e6bec0), p)
   Exit: (195) [system] get_char((0x558d99e6bec0), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1731204)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1732138)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1731204=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1717268=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (194) [user] classify_and_convert_charseq($, [p], _1683614)
   Call: (195) [system] atom_chars(_1744216, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1748880)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1750738)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1758476)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1761180)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1776258)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1781828)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1783686)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1797840)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1781828)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1815482)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1816416)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1821136, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_1822068, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1829418)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1830352)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1835072, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1829418=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1815482=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (195) [user] classify_and_convert_charseq($, [q], _1781828)
   Call: (196) [system] atom_chars(_1844302, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1848966)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1850824)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1864978)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1868768)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1848966=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1748880=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (192) [system] _1650666=[_p, _q]
   Exit: (192) [system] [_p, _q]=[_p, _q]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (191) [system] _1056934=[['ImplicationLink', _p, _q], _p, _q]
   Exit: (191) [system] [['ImplicationLink', _p, _q], _p, _q]=[['ImplicationLink', _p, _q], _p, _q]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['ImplicationLink', _p, _q], _p, _q])
   Call: (190) [system] _947500=[->, ['ImplicationLink', _p, _q], _p, _q]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], _p, _q]=[->, ['ImplicationLink', _p, _q], _p, _q]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1885444)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1887302)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1901456)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1905246)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1885444=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _914552=[[->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], _p, _q]]=[[->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (187) [system] _661030=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (187) [system] ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (186) [system] _568326=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (186) [system] [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1919128)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1920986)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1935140)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1938930)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1919128=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _535378=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (184) [system] [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (183) [system] _363028=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (183) [system] [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (182) [system] _236848=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Call: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]), assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1957448, _1957450, _1957452, _1957454, _1957456))
^  Exit: (177) [user] retract(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1960372))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1960372)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1960372)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1963188))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1963188))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1963188)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1965988))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1965988)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1965988)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1976210)
   Call: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], _1976210)
   Call: (189) [lists] lists:last_([], [let, _query, [_kb], _query], _1976210)
   Exit: (189) [lists] lists:last_([], [let, _query, [_kb], _query], [let, _query, [_kb], _query])
   Exit: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [let, _query, [_kb], _query])
   Call: (187) [system] [let, _query, [_kb], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==[_1982726, _1982732]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1965988)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1965988, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1988306)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1992014, =)
   Call: (191) [system] atom_concat($, _1992014, =)
   Fail: (191) [system] atom_concat($, _1992014, =)
^  Fail: (190) [user] symbol_concat($, _1992014, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1997602, _1997608]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1988308, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, _depth], _2006870)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([_query, _kb, _rb, _depth])
   Call: (191) [lists] lists:last([_query, _kb, _rb, _depth], _2015214)
   Call: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _2015214)
   Call: (193) [lists] lists:last_([_rb, _depth], _kb, _2015214)
   Call: (194) [lists] lists:last_([_depth], _rb, _2015214)
   Call: (195) [lists] lists:last_([], _depth, _2015214)
   Exit: (195) [lists] lists:last_([], _depth, _depth)
   Exit: (194) [lists] lists:last_([_depth], _rb, _depth)
   Exit: (193) [lists] lists:last_([_rb, _depth], _kb, _depth)
   Exit: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _depth)
   Exit: (191) [lists] lists:last([_query, _kb, _rb, _depth], _depth)
   Call: (191) [system] _depth=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==[_2025458, _2025464]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, _depth], _2006870)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _2006870, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _2031038)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _2034746, synthesize)
   Call: (195) [system] atom_concat($, _2034746, synthesize)
   Fail: (195) [system] atom_concat($, _2034746, synthesize)
^  Fail: (194) [user] symbol_concat($, _2034746, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_2040334, _2040340]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, _depth], _2031040, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _2049602)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_2054244, _2054250]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _2058878, _2058880)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2064472))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2064472))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2064472)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2067272))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2067272)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2067272)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1960372))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1960372))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1960372)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2081230))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2081230)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _2081230)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (171) [user] read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1726258747_317601, 108)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258757.9095395)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258757.9095395-1726258756.3628235
   Exit: (173) [system] 1.5467159748077393 is 1726258757.9095395-1726258756.3628235
   Call: (173) [system] 1.5467159748077393>4
   Fail: (173) [system] 1.5467159748077393>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 17)
   Call: (175) [system] atom(17+1)
   Call: (175) [system] set_flag(translated_forms, 18)
   Exit: (175) [system] set_flag(translated_forms, 18)
   Exit: (174) [$syspreds] update_flag(translated_forms, 17, 17+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 17, 17+1))
   Exit: (171) [$syspreds] flag(translated_forms, 17, 17+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1726258747_317601, 108)
^  Call: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, _39426, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _39428)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _39428)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (174) [user] s2t(=, _44078)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_44078
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _44080)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], _51496)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, _depth], _58908)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _58908, user:s2t)
^  Call: (178) [user] s2t(synthesize, _60788)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_60788
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], _60790, user:s2t)
^  Call: (179) [user] s2t(_query, _66362)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _66362)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, _depth], _66364, user:s2t)
^  Call: (180) [user] s2t(_kb, _75632)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _75632)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, _depth], _75634, user:s2t)
^  Call: (181) [user] s2t(_rb, _84902)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _84902)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([_depth], _84904, user:s2t)
^  Call: (182) [user] s2t(_depth, _94172)
   Call: (183) [system] compound(_depth)
   Exit: (183) [system] compound(_depth)
   Call: (183) [system] is_list(_depth)
^  Call: (183) [user] s2tl(_depth, _94172)
   Call: (184) [system] compound(_depth)
   Exit: (184) [system] compound(_depth)
^  Exit: (183) [user] s2tl(_depth, _depth)
^  Exit: (182) [user] s2t(_depth, _depth)
   Call: (182) [apply] apply:maplist_([], _94174, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_depth], [_depth], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, _depth], [_rb, _depth], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, _depth], [_kb, _rb, _depth], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], [_query, _kb, _rb, _depth], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] compound_name_arguments(_51496, t, [synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, _depth), t, [synthesize, _query, _kb, _rb, _depth])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], t(synthesize, _query, _kb, _rb, _depth))
^  Call: (175) [user] s2tl([[let, _query, [_kb], _query]], _51498)
   Call: (176) [system] compound([[let, _query, [_kb], _query]])
   Exit: (176) [system] compound([[let, _query, [_kb], _query]])
^  Call: (176) [user] s2t([let, _query, [_kb], _query], _115552)
   Call: (177) [system] compound([let, _query, [_kb], _query])
   Exit: (177) [system] compound([let, _query, [_kb], _query])
   Call: (177) [system] let==(->)
   Call: (177) [system] let=='Cons'
   Call: (177) [system] let==(=)
   Call: (177) [system] is_list([let, _query, [_kb], _query])
   Exit: (177) [system] is_list([let, _query, [_kb], _query])
^  Call: (177) [user] apply:maplist(s2t, [let, _query, [_kb], _query], _122964)
   Call: (178) [apply] apply:maplist_([let, _query, [_kb], _query], _122964, user:s2t)
^  Call: (179) [user] s2t(let, _124844)
   Call: (180) [system] compound(let)
   Call: (180) [system] let=_124844
   Exit: (180) [system] let=let
^  Exit: (179) [user] s2t(let, let)
   Call: (179) [apply] apply:maplist_([_query, [_kb], _query], _124846, user:s2t)
^  Call: (180) [user] s2t(_query, _130418)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
   Call: (181) [system] is_list(_query)
^  Call: (181) [user] s2tl(_query, _130418)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
^  Exit: (181) [user] s2tl(_query, _query)
^  Exit: (180) [user] s2t(_query, _query)
   Call: (180) [apply] apply:maplist_([[_kb], _query], _130420, user:s2t)
^  Call: (181) [user] s2t([_kb], _139688)
   Call: (182) [system] compound([_kb])
   Exit: (182) [system] compound([_kb])
   Call: (182) [system] _kb==(->)
   Call: (182) [system] _kb=='Cons'
   Call: (182) [system] _kb==(=)
   Call: (182) [system] is_list([_kb])
   Exit: (182) [system] is_list([_kb])
^  Call: (182) [user] apply:maplist(s2t, [_kb], _147100)
   Call: (183) [apply] apply:maplist_([_kb], _147100, user:s2t)
^  Call: (184) [user] s2t(_kb, _148980)
   Call: (185) [system] compound(_kb)
   Exit: (185) [system] compound(_kb)
   Call: (185) [system] is_list(_kb)
^  Call: (185) [user] s2tl(_kb, _148980)
   Call: (186) [system] compound(_kb)
   Exit: (186) [system] compound(_kb)
^  Exit: (185) [user] s2tl(_kb, _kb)
^  Exit: (184) [user] s2t(_kb, _kb)
   Call: (184) [apply] apply:maplist_([], _148982, user:s2t)
   Exit: (184) [apply] apply:maplist_([], [], user:s2t)
   Exit: (183) [apply] apply:maplist_([_kb], [_kb], user:s2t)
^  Exit: (182) [apply] apply:maplist(user:s2t, [_kb], [_kb])
   Call: (182) [system] compound_name_arguments(_139688, t, [_kb])
   Exit: (182) [system] compound_name_arguments(t(_kb), t, [_kb])
^  Exit: (181) [user] s2t([_kb], t(_kb))
   Call: (181) [apply] apply:maplist_([_query], _139690, user:s2t)
^  Call: (182) [user] s2t(_query, _164780)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
   Call: (183) [system] is_list(_query)
^  Call: (183) [user] s2tl(_query, _164780)
   Call: (184) [system] compound(_query)
   Exit: (184) [system] compound(_query)
^  Exit: (183) [user] s2tl(_query, _query)
^  Exit: (182) [user] s2t(_query, _query)
   Call: (182) [apply] apply:maplist_([], _164782, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (180) [apply] apply:maplist_([[_kb], _query], [t(_kb), _query], user:s2t)
   Exit: (179) [apply] apply:maplist_([_query, [_kb], _query], [_query, t(_kb), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_([let, _query, [_kb], _query], [let, _query, t(_kb), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, [let, _query, [_kb], _query], [let, _query, t(_kb), _query])
   Call: (177) [system] compound_name_arguments(_115552, t, [let, _query, t(_kb), _query])
   Exit: (177) [system] compound_name_arguments(t(let, _query, t(_kb), _query), t, [let, _query, t(_kb), _query])
^  Exit: (176) [user] s2t([let, _query, [_kb], _query], t(let, _query, t(_kb), _query))
^  Call: (176) [user] s2tl([], _115554)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_115554
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([[let, _query, [_kb], _query]], [t(let, _query, t(_kb), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], _190804)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (173) [system] _190804=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (172) [system] _196366=..[ynthesize_long_1726258747_317601, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (172) [system] ynthesize_long_1726258747_317601(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))=..[ynthesize_long_1726258747_317601, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Call: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1726258747_317601, 108)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 17, 17+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], ynthesize_long_1726258747_317601, 108)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 109)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 109))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 109))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _221558)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _228980)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _237318)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _240104=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _241972, _241974, _241976, _241978), read_sexpr((0x558d99e6bec0), _241990), assertz(metta_file_comment(_241972, _241974, _241976, _241990, _241978))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _241972, _241974, _241976, _241978)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_241978))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_241978))
   Exit: (181) [system] nonvar(position(_241978))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4336, 110, 0, 4336)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), _241972)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _252230)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), _241972)
   Exit: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), 110)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), 110)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), _241974)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _259664)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), _241974)
   Exit: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), _241976)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _267098)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), _241976)
   Exit: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), 4336)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), 4336)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _241990)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _241990)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _277324)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _291478)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _241990)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _297048)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _311202)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _316772)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _318630)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _332784)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _316772)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _350426)
   Call: (185) [system] peek_char((0x558d99e6bec0), _351360)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _350426=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _316772)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_360670, _360672), once(user:catch(read_from_chars([=], _316772), _360646, fail)), '$restore_trace'(_360670, _360672))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_360670, _360672))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _360646, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _368170)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _370028)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _377766)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _380470)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _395548)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _401118)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _402976)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _417130)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _401118)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _422700)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _436854)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _442424)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _444282)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _458436)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _442424)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _476078)
   Call: (188) [system] peek_char((0x558d99e6bec0), _477012)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_481732, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_482664, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _490014)
   Call: (189) [system] peek_char((0x558d99e6bec0), _490948)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_495668, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _490014=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _476078=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _442424)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_504924, _504926), once(user:catch(read_from_chars([r, b], _442424), _504900, fail)), '$restore_trace'(_504924, _504926))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_504924, _504926))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _504900, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _512424)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _514282)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _528436)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _532226)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _512424=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _401118=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _540520)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _542378)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _550116)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _552820)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _567898)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _573468)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _575326)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _589480)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _573468)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _595050)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _609204)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _614774)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _616632)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _630786)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _614774)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _648428)
   Call: (189) [system] peek_char((0x558d99e6bec0), _649362)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _648428=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _614774)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_658672, _658674), once(user:catch(read_from_chars([:], _614774), _658648, fail)), '$restore_trace'(_658672, _658674))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_658672, _658674))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _658648, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _666172)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _668030)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _675768)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _678472)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _693550)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _699120)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _700978)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _715132)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _699120)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _732774)
   Call: (190) [system] peek_char((0x558d99e6bec0), _733708)
   Exit: (190) [system] peek_char((0x558d99e6bec0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_738428, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_739360, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x558d99e6bec0), e)
   Exit: (190) [system] get_char((0x558d99e6bec0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _746710)
   Call: (191) [system] peek_char((0x558d99e6bec0), _747644)
   Exit: (191) [system] peek_char((0x558d99e6bec0), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Fail: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_752364, v('(', ')', end_of_file), d)
   Fail: (192) [system] arg(_753296, v('(', ')', end_of_file), d)
^  Fail: (191) [user] is_delimiter(d)
   Call: (191) [system] ')'==d
   Fail: (191) [system] ')'==d
   Call: (191) [system] get_char((0x558d99e6bec0), d)
   Exit: (191) [system] get_char((0x558d99e6bec0), d)
   Call: (191) [system] d=(\)
   Fail: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _760646)
   Call: (192) [system] peek_char((0x558d99e6bec0), _761580)
   Exit: (192) [system] peek_char((0x558d99e6bec0), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Fail: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_766300, v('(', ')', end_of_file), u)
   Fail: (193) [system] arg(_767232, v('(', ')', end_of_file), u)
^  Fail: (192) [user] is_delimiter(u)
   Call: (192) [system] ')'==u
   Fail: (192) [system] ')'==u
   Call: (192) [system] get_char((0x558d99e6bec0), u)
   Exit: (192) [system] get_char((0x558d99e6bec0), u)
   Call: (192) [system] u=(\)
   Fail: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _774582)
   Call: (193) [system] peek_char((0x558d99e6bec0), _775516)
   Exit: (193) [system] peek_char((0x558d99e6bec0), c)
^  Call: (193) [user] is_delimiter(c)
   Call: (194) [system] char_type(c, space)
   Fail: (194) [system] char_type(c, space)
   Call: (194) [system] arg(_780236, v('(', ')', end_of_file), c)
   Fail: (194) [system] arg(_781168, v('(', ')', end_of_file), c)
^  Fail: (193) [user] is_delimiter(c)
   Call: (193) [system] ')'==c
   Fail: (193) [system] ')'==c
   Call: (193) [system] get_char((0x558d99e6bec0), c)
   Exit: (193) [system] get_char((0x558d99e6bec0), c)
   Call: (193) [system] c=(\)
   Fail: (193) [system] c=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _788518)
   Call: (194) [system] peek_char((0x558d99e6bec0), _789452)
   Exit: (194) [system] peek_char((0x558d99e6bec0), t)
^  Call: (194) [user] is_delimiter(t)
   Call: (195) [system] char_type(t, space)
   Fail: (195) [system] char_type(t, space)
   Call: (195) [system] arg(_794172, v('(', ')', end_of_file), t)
   Fail: (195) [system] arg(_795104, v('(', ')', end_of_file), t)
^  Fail: (194) [user] is_delimiter(t)
   Call: (194) [system] ')'==t
   Fail: (194) [system] ')'==t
   Call: (194) [system] get_char((0x558d99e6bec0), t)
   Exit: (194) [system] get_char((0x558d99e6bec0), t)
   Call: (194) [system] t=(\)
   Fail: (194) [system] t=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _802454)
   Call: (195) [system] peek_char((0x558d99e6bec0), _803388)
   Exit: (195) [system] peek_char((0x558d99e6bec0), i)
^  Call: (195) [user] is_delimiter(i)
   Call: (196) [system] char_type(i, space)
   Fail: (196) [system] char_type(i, space)
   Call: (196) [system] arg(_808108, v('(', ')', end_of_file), i)
   Fail: (196) [system] arg(_809040, v('(', ')', end_of_file), i)
^  Fail: (195) [user] is_delimiter(i)
   Call: (195) [system] ')'==i
   Fail: (195) [system] ')'==i
   Call: (195) [system] get_char((0x558d99e6bec0), i)
   Exit: (195) [system] get_char((0x558d99e6bec0), i)
   Call: (195) [system] i=(\)
   Fail: (195) [system] i=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _816390)
   Call: (196) [system] peek_char((0x558d99e6bec0), _817324)
   Exit: (196) [system] peek_char((0x558d99e6bec0), o)
^  Call: (196) [user] is_delimiter(o)
   Call: (197) [system] char_type(o, space)
   Fail: (197) [system] char_type(o, space)
   Call: (197) [system] arg(_822044, v('(', ')', end_of_file), o)
   Fail: (197) [system] arg(_822976, v('(', ')', end_of_file), o)
^  Fail: (196) [user] is_delimiter(o)
   Call: (196) [system] ')'==o
   Fail: (196) [system] ')'==o
   Call: (196) [system] get_char((0x558d99e6bec0), o)
   Exit: (196) [system] get_char((0x558d99e6bec0), o)
   Call: (196) [system] o=(\)
   Fail: (196) [system] o=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _830326)
   Call: (197) [system] peek_char((0x558d99e6bec0), _831260)
   Exit: (197) [system] peek_char((0x558d99e6bec0), n)
^  Call: (197) [user] is_delimiter(n)
   Call: (198) [system] char_type(n, space)
   Fail: (198) [system] char_type(n, space)
   Call: (198) [system] arg(_835980, v('(', ')', end_of_file), n)
   Fail: (198) [system] arg(_836912, v('(', ')', end_of_file), n)
^  Fail: (197) [user] is_delimiter(n)
   Call: (197) [system] ')'==n
   Fail: (197) [system] ')'==n
   Call: (197) [system] get_char((0x558d99e6bec0), n)
   Exit: (197) [system] get_char((0x558d99e6bec0), n)
   Call: (197) [system] n=(\)
   Fail: (197) [system] n=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _844262)
   Call: (198) [system] peek_char((0x558d99e6bec0), _845196)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _844262=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _830326=[n]
   Exit: (197) [system] [n]=[n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (196) [system] _816390=[o, n]
   Exit: (196) [system] [o, n]=[o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (195) [system] _802454=[i, o, n]
   Exit: (195) [system] [i, o, n]=[i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (194) [system] _788518=[t, i, o, n]
   Exit: (194) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (193) [system] _774582=[c, t, i, o, n]
   Exit: (193) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (192) [system] _760646=[u, c, t, i, o, n]
   Exit: (192) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (191) [system] _746710=[d, u, c, t, i, o, n]
   Exit: (191) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (190) [system] _732774=[e, d, u, c, t, i, o, n]
   Exit: (190) [system] [e, d, u, c, t, i, o, n]=[e, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq('D', [e, d, u, c, t, i, o, n], _699120)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_876858, _876860), once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _699120), _876834, fail)), '$restore_trace'(_876858, _876860))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_876858, _876860))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _699120), _876834, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_699120)
   Fail: (190) [system] atomic(_699120)
   Call: (190) [system] atom_chars(_699120, ['D', e, d, u, c, t, i, o, n])
   Exit: (190) [system] atom_chars('Deduction', ['D', e, d, u, c, t, i, o, n])
^  Exit: (189) [user] classify_and_convert_charseq('D', [e, d, u, c, t, i, o, n], 'Deduction')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'Deduction')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'Deduction')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _886234)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _888092)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _895830)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _898534)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _913612)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _919182)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _921040)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _935194)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _919182)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _940764)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _954918)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _960488)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _962346)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _976500)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _960488)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _994142)
   Call: (193) [system] peek_char((0x558d99e6bec0), _995076)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_999796, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1000728, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1008078)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1009012)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1008078=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _994142=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _960488)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1021116, _1021118), once(user:catch(read_from_chars([-, >], _960488), _1021092, fail)), '$restore_trace'(_1021116, _1021118))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1021116, _1021118))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1021092, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1028616)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1030474)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1038212)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1040916)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1055994)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1061564)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1063422)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1077576)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1061564)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1083146)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (194) [system] 'I'=(;)
   Fail: (194) [system] 'I'=(;)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Fail: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Fail: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Fail: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
   Fail: (195) [system] char_type('I', cntrl)
^  Fail: (194) [user] is_like_space('I')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1097300)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (193) [system] 'I'=')'
   Fail: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
   Fail: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1102870)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1104728)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1118882)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'I')
   Call: (194) [system] 'I'='('
   Fail: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Fail: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Fail: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Fail: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Fail: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Fail: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Fail: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1102870)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1136524)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1137458)
   Exit: (196) [system] peek_char((0x558d99e6bec0), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Fail: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1142178, v('(', ')', end_of_file), m)
   Fail: (197) [system] arg(_1143110, v('(', ')', end_of_file), m)
^  Fail: (196) [user] is_delimiter(m)
   Call: (196) [system] ')'==m
   Fail: (196) [system] ')'==m
   Call: (196) [system] get_char((0x558d99e6bec0), m)
   Exit: (196) [system] get_char((0x558d99e6bec0), m)
   Call: (196) [system] m=(\)
   Fail: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1150460)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1151394)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1156114, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1157046, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1164396)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1165330)
   Exit: (198) [system] peek_char((0x558d99e6bec0), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Fail: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1170050, v('(', ')', end_of_file), l)
   Fail: (199) [system] arg(_1170982, v('(', ')', end_of_file), l)
^  Fail: (198) [user] is_delimiter(l)
   Call: (198) [system] ')'==l
   Fail: (198) [system] ')'==l
   Call: (198) [system] get_char((0x558d99e6bec0), l)
   Exit: (198) [system] get_char((0x558d99e6bec0), l)
   Call: (198) [system] l=(\)
   Fail: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1178332)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1179266)
   Exit: (199) [system] peek_char((0x558d99e6bec0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1183986, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1184918, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x558d99e6bec0), i)
   Exit: (199) [system] get_char((0x558d99e6bec0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1192268)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1193202)
   Exit: (200) [system] peek_char((0x558d99e6bec0), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Fail: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1197922, v('(', ')', end_of_file), c)
   Fail: (201) [system] arg(_1198854, v('(', ')', end_of_file), c)
^  Fail: (200) [user] is_delimiter(c)
   Call: (200) [system] ')'==c
   Fail: (200) [system] ')'==c
   Call: (200) [system] get_char((0x558d99e6bec0), c)
   Exit: (200) [system] get_char((0x558d99e6bec0), c)
   Call: (200) [system] c=(\)
   Fail: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1206204)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1207138)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1211858, v('(', ')', end_of_file), a)
   Fail: (202) [system] arg(_1212790, v('(', ')', end_of_file), a)
^  Fail: (201) [user] is_delimiter(a)
   Call: (201) [system] ')'==a
   Fail: (201) [system] ')'==a
   Call: (201) [system] get_char((0x558d99e6bec0), a)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] a=(\)
   Fail: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1220140)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1221074)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1225794, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1226726, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1234076)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1235010)
   Exit: (203) [system] peek_char((0x558d99e6bec0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1239730, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_1240662, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x558d99e6bec0), i)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1248012)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1248946)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1253666, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1254598, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1261948)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1262882)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1267602, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1268534, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1275884)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1276818)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1281538, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1282470, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (206) [system] get_char((0x558d99e6bec0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1289820)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1290754)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1295474, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1296406, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1303756)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1304690)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1309410, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1310342, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1317692)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1318626)
   Exit: (209) [system] peek_char((0x558d99e6bec0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1323346, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1324278, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x558d99e6bec0), k)
   Exit: (209) [system] get_char((0x558d99e6bec0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1331628)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1332562)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1331628=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1317692=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (208) [system] _1303756=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (207) [system] _1289820=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (206) [system] _1275884=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (205) [system] _1261948=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'L', i, n, k])
   Call: (204) [system] _1248012=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'L', i, n, k])
   Call: (203) [system] _1234076=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1220140=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1206204=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1192268=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1178332=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1164396=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1150460=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1136524=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1102870)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1380988, _1380990), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1102870), _1380964, fail)), '$restore_trace'(_1380988, _1380990))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1380988, _1380990))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1102870), _1380964, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1102870)
   Fail: (196) [system] atomic(_1102870)
   Call: (196) [system] atom_chars(_1102870, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (196) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1390364)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1392222)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1399960)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1402664)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1417742)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1423312)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1425170)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1439324)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1423312)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1456966)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1457900)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1462620, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1463552, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1470902)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1471836)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1470902=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1456966=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1423312)
   Call: (197) [system] atom_chars(_1483914, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1488578)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1490436)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1498174)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1500878)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1515956)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1521526)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1523384)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1537538)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _1521526)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1555180)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1556114)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1560834, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1561766, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1569116)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1570050)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1574770, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1569116=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1555180=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1521526)
   Call: (198) [system] atom_chars(_1584000, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1588664)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1590522)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1604676)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1608466)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1588664=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1488578=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _1390364=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (193) [system] _1061564=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1622348)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1624206)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1631944)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1634648)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1649726)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1655296)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1657154)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1671308)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1655296)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1676878)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=(;)
   Fail: (195) [system] 'I'=(;)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Fail: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Fail: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Fail: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
   Fail: (196) [system] char_type('I', cntrl)
^  Fail: (195) [user] is_like_space('I')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1691032)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (194) [system] 'I'=')'
   Fail: (194) [system] 'I'=')'
   Call: (194) [system] 'I'=end_of_file
   Fail: (194) [system] 'I'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1696602)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1698460)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1712614)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'='('
   Fail: (195) [system] 'I'='('
   Call: (195) [system] 'I'='['
   Fail: (195) [system] 'I'='['
   Call: (195) [system] 'I'='{'
   Fail: (195) [system] 'I'='{'
   Call: (195) [system] 'I'='"'
   Fail: (195) [system] 'I'='"'
   Call: (195) [system] 'I'=!
   Fail: (195) [system] 'I'=!
   Call: (195) [system] 'I'='\''
   Fail: (195) [system] 'I'='\''
   Call: (195) [system] 'I'='`'
   Fail: (195) [system] 'I'='`'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1696602)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1730256)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1731190)
   Exit: (197) [system] peek_char((0x558d99e6bec0), m)
^  Call: (197) [user] is_delimiter(m)
   Call: (198) [system] char_type(m, space)
   Fail: (198) [system] char_type(m, space)
   Call: (198) [system] arg(_1735910, v('(', ')', end_of_file), m)
   Fail: (198) [system] arg(_1736842, v('(', ')', end_of_file), m)
^  Fail: (197) [user] is_delimiter(m)
   Call: (197) [system] ')'==m
   Fail: (197) [system] ')'==m
   Call: (197) [system] get_char((0x558d99e6bec0), m)
   Exit: (197) [system] get_char((0x558d99e6bec0), m)
   Call: (197) [system] m=(\)
   Fail: (197) [system] m=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1744192)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1745126)
   Exit: (198) [system] peek_char((0x558d99e6bec0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1749846, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1750778, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x558d99e6bec0), p)
   Exit: (198) [system] get_char((0x558d99e6bec0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1758128)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1759062)
   Exit: (199) [system] peek_char((0x558d99e6bec0), l)
^  Call: (199) [user] is_delimiter(l)
   Call: (200) [system] char_type(l, space)
   Fail: (200) [system] char_type(l, space)
   Call: (200) [system] arg(_1763782, v('(', ')', end_of_file), l)
   Fail: (200) [system] arg(_1764714, v('(', ')', end_of_file), l)
^  Fail: (199) [user] is_delimiter(l)
   Call: (199) [system] ')'==l
   Fail: (199) [system] ')'==l
   Call: (199) [system] get_char((0x558d99e6bec0), l)
   Exit: (199) [system] get_char((0x558d99e6bec0), l)
   Call: (199) [system] l=(\)
   Fail: (199) [system] l=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1772064)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1772998)
   Exit: (200) [system] peek_char((0x558d99e6bec0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1777718, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1778650, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x558d99e6bec0), i)
   Exit: (200) [system] get_char((0x558d99e6bec0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1786000)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1786934)
   Exit: (201) [system] peek_char((0x558d99e6bec0), c)
^  Call: (201) [user] is_delimiter(c)
   Call: (202) [system] char_type(c, space)
   Fail: (202) [system] char_type(c, space)
   Call: (202) [system] arg(_1791654, v('(', ')', end_of_file), c)
   Fail: (202) [system] arg(_1792586, v('(', ')', end_of_file), c)
^  Fail: (201) [user] is_delimiter(c)
   Call: (201) [system] ')'==c
   Fail: (201) [system] ')'==c
   Call: (201) [system] get_char((0x558d99e6bec0), c)
   Exit: (201) [system] get_char((0x558d99e6bec0), c)
   Call: (201) [system] c=(\)
   Fail: (201) [system] c=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1799936)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1800870)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
^  Call: (202) [user] is_delimiter(a)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] arg(_1805590, v('(', ')', end_of_file), a)
   Fail: (203) [system] arg(_1806522, v('(', ')', end_of_file), a)
^  Fail: (202) [user] is_delimiter(a)
   Call: (202) [system] ')'==a
   Fail: (202) [system] ')'==a
   Call: (202) [system] get_char((0x558d99e6bec0), a)
   Exit: (202) [system] get_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(\)
   Fail: (202) [system] a=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1813872)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1814806)
   Exit: (203) [system] peek_char((0x558d99e6bec0), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Fail: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1819526, v('(', ')', end_of_file), t)
   Fail: (204) [system] arg(_1820458, v('(', ')', end_of_file), t)
^  Fail: (203) [user] is_delimiter(t)
   Call: (203) [system] ')'==t
   Fail: (203) [system] ')'==t
   Call: (203) [system] get_char((0x558d99e6bec0), t)
   Exit: (203) [system] get_char((0x558d99e6bec0), t)
   Call: (203) [system] t=(\)
   Fail: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1827808)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1828742)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1833462, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1834394, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1841744)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1842678)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1847398, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1848330, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1855680)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1856614)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1861334, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1862266, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1869616)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1870550)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1875270, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_1876202, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (207) [system] get_char((0x558d99e6bec0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1883552)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1884486)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1889206, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1890138, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1897488)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1898422)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1903142, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1904074, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1911424)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1912358)
   Exit: (210) [system] peek_char((0x558d99e6bec0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1917078, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_1918010, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x558d99e6bec0), k)
   Exit: (210) [system] get_char((0x558d99e6bec0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1925360)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1926294)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1925360=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1911424=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (209) [system] _1897488=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (208) [system] _1883552=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (207) [system] _1869616=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (206) [system] _1855680=[n, 'L', i, n, k]
   Exit: (206) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'L', i, n, k])
   Call: (205) [system] _1841744=[o, n, 'L', i, n, k]
   Exit: (205) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'L', i, n, k])
   Call: (204) [system] _1827808=[i, o, n, 'L', i, n, k]
   Exit: (204) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'L', i, n, k])
   Call: (203) [system] _1813872=[t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _1799936=[a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1786000=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1772064=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1758128=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1744192=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1730256=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1696602)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1974720, _1974722), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1696602), _1974696, fail)), '$restore_trace'(_1974720, _1974722))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1974720, _1974722))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1696602), _1974696, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1696602)
   Fail: (197) [system] atomic(_1696602)
   Call: (197) [system] atom_chars(_1696602, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'ImplicationLink')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'ImplicationLink')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1984096)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1985954)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1993692)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1996396)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2011474)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _2017044)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2018902)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _2033056)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _2017044)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2050698)
   Call: (198) [system] peek_char((0x558d99e6bec0), _2051632)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_2056352, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_2057284, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2064634)
   Call: (199) [system] peek_char((0x558d99e6bec0), _2065568)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _2064634=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _2050698=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _2017044)
   Call: (198) [system] atom_chars(_2077646, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _2082310)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _2084168)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _2091906)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2094610)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _16356)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _21926)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _23784)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _37938)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _21926)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _55580)
   Call: (199) [system] peek_char((0x558d99e6bec0), _56514)
   Exit: (199) [system] peek_char((0x558d99e6bec0), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Fail: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_61234, v('(', ')', end_of_file), r)
   Fail: (200) [system] arg(_62166, v('(', ')', end_of_file), r)
^  Fail: (199) [user] is_delimiter(r)
   Call: (199) [system] ')'==r
   Fail: (199) [system] ')'==r
   Call: (199) [system] get_char((0x558d99e6bec0), r)
   Exit: (199) [system] get_char((0x558d99e6bec0), r)
   Call: (199) [system] r=(\)
   Fail: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _69516)
   Call: (200) [system] peek_char((0x558d99e6bec0), _70450)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_75170, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _69516=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _55580=[r]
   Exit: (199) [system] [r]=[r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
^  Call: (198) [user] classify_and_convert_charseq($, [r], _21926)
   Call: (199) [system] atom_chars(_84400, ['_', r])
   Exit: (199) [system] atom_chars('_r', ['_', r])
^  Exit: (198) [user] classify_and_convert_charseq($, [r], _r)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _r)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _r)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _89064)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _90922)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _105076)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _108866)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _89064=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _3458=[_r]
   Exit: (196) [system] [_r]=[_r]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_r])
   Call: (195) [system] _3448=[_q, _r]
   Exit: (195) [system] [_q, _r]=[_q, _r]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q, _r])
   Call: (194) [system] _3440=['ImplicationLink', _q, _r]
   Exit: (194) [system] ['ImplicationLink', _q, _r]=['ImplicationLink', _q, _r]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['ImplicationLink', _q, _r])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), ['ImplicationLink', _q, _r])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _122748)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _124606)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _132344)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _135048)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _150126)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _155696)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _157554)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _171708)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _155696)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _177278)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _191432)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _197002)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _198860)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _213014)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _197002)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _230656)
   Call: (198) [system] peek_char((0x558d99e6bec0), _231590)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_236310, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_237242, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _244592)
   Call: (199) [system] peek_char((0x558d99e6bec0), _245526)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_250246, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_251178, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _258528)
   Call: (200) [system] peek_char((0x558d99e6bec0), _259462)
   Exit: (200) [system] peek_char((0x558d99e6bec0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_264182, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_265114, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x558d99e6bec0), l)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _272464)
   Call: (201) [system] peek_char((0x558d99e6bec0), _273398)
   Exit: (201) [system] peek_char((0x558d99e6bec0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_278118, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_279050, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x558d99e6bec0), i)
   Exit: (201) [system] get_char((0x558d99e6bec0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _286400)
   Call: (202) [system] peek_char((0x558d99e6bec0), _287334)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_292054, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_292986, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _300336)
   Call: (203) [system] peek_char((0x558d99e6bec0), _301270)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_305990, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_306922, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x558d99e6bec0), a)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _314272)
   Call: (204) [system] peek_char((0x558d99e6bec0), _315206)
   Exit: (204) [system] peek_char((0x558d99e6bec0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_319926, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_320858, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x558d99e6bec0), t)
   Exit: (204) [system] get_char((0x558d99e6bec0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _328208)
   Call: (205) [system] peek_char((0x558d99e6bec0), _329142)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_333862, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_334794, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _342144)
   Call: (206) [system] peek_char((0x558d99e6bec0), _343078)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_347798, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_348730, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _356080)
   Call: (207) [system] peek_char((0x558d99e6bec0), _357014)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_361734, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_362666, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _370016)
   Call: (208) [system] peek_char((0x558d99e6bec0), _370950)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_375670, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_376602, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (208) [system] get_char((0x558d99e6bec0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _383952)
   Call: (209) [system] peek_char((0x558d99e6bec0), _384886)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_389606, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_390538, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _397888)
   Call: (210) [system] peek_char((0x558d99e6bec0), _398822)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_403542, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_404474, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _411824)
   Call: (211) [system] peek_char((0x558d99e6bec0), _412758)
   Exit: (211) [system] peek_char((0x558d99e6bec0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_417478, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_418410, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x558d99e6bec0), k)
   Exit: (211) [system] get_char((0x558d99e6bec0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _425760)
   Call: (212) [system] peek_char((0x558d99e6bec0), _426694)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _425760=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _411824=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (210) [system] _397888=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (209) [system] _383952=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (208) [system] _370016=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (207) [system] _356080=[n, 'L', i, n, k]
   Exit: (207) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'L', i, n, k])
   Call: (206) [system] _342144=[o, n, 'L', i, n, k]
   Exit: (206) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'L', i, n, k])
   Call: (205) [system] _328208=[i, o, n, 'L', i, n, k]
   Exit: (205) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'L', i, n, k])
   Call: (204) [system] _314272=[t, i, o, n, 'L', i, n, k]
   Exit: (204) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'L', i, n, k])
   Call: (203) [system] _300336=[a, t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _286400=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _272464=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _258528=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _244592=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _230656=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _197002)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_475120, _475122), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _197002), _475096, fail)), '$restore_trace'(_475120, _475122))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_475120, _475122))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _197002), _475096, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_197002)
   Fail: (198) [system] atomic(_197002)
   Call: (198) [system] atom_chars(_197002, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (198) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'ImplicationLink')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'ImplicationLink')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _484496)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _486354)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _494092)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _496796)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _511874)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _517444)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _519302)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _533456)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _517444)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _551098)
   Call: (199) [system] peek_char((0x558d99e6bec0), _552032)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_556752, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_557684, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _565034)
   Call: (200) [system] peek_char((0x558d99e6bec0), _565968)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _565034=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _551098=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (198) [user] classify_and_convert_charseq($, [p], _517444)
   Call: (199) [system] atom_chars(_578046, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _582710)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _584568)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _592306)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _595010)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _610088)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _615658)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _617516)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _631670)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _615658)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649312)
   Call: (200) [system] peek_char((0x558d99e6bec0), _650246)
   Exit: (200) [system] peek_char((0x558d99e6bec0), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Fail: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_654966, v('(', ')', end_of_file), r)
   Fail: (201) [system] arg(_655898, v('(', ')', end_of_file), r)
^  Fail: (200) [user] is_delimiter(r)
   Call: (200) [system] ')'==r
   Fail: (200) [system] ')'==r
   Call: (200) [system] get_char((0x558d99e6bec0), r)
   Exit: (200) [system] get_char((0x558d99e6bec0), r)
   Call: (200) [system] r=(\)
   Fail: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663248)
   Call: (201) [system] peek_char((0x558d99e6bec0), _664182)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_668902, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _663248=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _649312=[r]
   Exit: (200) [system] [r]=[r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r])
^  Call: (199) [user] classify_and_convert_charseq($, [r], _615658)
   Call: (200) [system] atom_chars(_678132, ['_', r])
   Exit: (200) [system] atom_chars('_r', ['_', r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r], _r)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _r)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _r)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _682796)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _684654)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _698808)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _702598)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _682796=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _582710=[_r]
   Exit: (197) [system] [_r]=[_r]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_r])
   Call: (196) [system] _484496=[_p, _r]
   Exit: (196) [system] [_p, _r]=[_p, _r]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_p, _r])
   Call: (195) [system] _155696=['ImplicationLink', _p, _r]
   Exit: (195) [system] ['ImplicationLink', _p, _r]=['ImplicationLink', _p, _r]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['ImplicationLink', _p, _r])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), ['ImplicationLink', _p, _r])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _716480)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _718338)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _732492)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _736282)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _716480=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _122748=[['ImplicationLink', _p, _r]]
   Exit: (193) [system] [['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _r]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [['ImplicationLink', _p, _r]])
   Call: (192) [system] _3436=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (192) [system] [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (191) [system] _3404=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (191) [system] [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (190) [system] _3396=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _752958)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _754816)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _768970)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _772760)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _752958=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _3392=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (187) [system] _3386=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (187) [system] ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (186) [system] _3378=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (186) [system] [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _786642)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _788500)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _802654)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _806444)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _786642=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3374=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (184) [system] [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (183) [system] _3362=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (183) [system] [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (182) [system] [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Call: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]), assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_824962, _824964, _824966, _824968, _824970))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _827796))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _827796)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), _827796)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _830612))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _830612))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _830612)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _833412))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _833412)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), _833412)
   Call: (187) [system] var('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] atom('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==true
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==false
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==[_839932, _839938]
   Call: (187) [system] is_list('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] string('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), _844566, _844568)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Unary rule", 53, 0], _848308)
   Call: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], _848308, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Unary rule", _850188)
   Call: (190) [system] var(";; Unary rule")
   Call: (190) [system] atom(";; Unary rule")
   Call: (190) [system] ";; Unary rule"==true
   Call: (190) [system] ";; Unary rule"==false
   Call: (190) [system] ";; Unary rule"==[_854830, _854836]
   Call: (190) [system] is_list(";; Unary rule")
   Call: (190) [system] string(";; Unary rule")
   Exit: (190) [system] string(";; Unary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Unary rule")
^  Call: (190) [user] symbol(";; Unary rule")
   Call: (191) [system] atom(";; Unary rule")
   Fail: (191) [system] atom(";; Unary rule")
^  Fail: (190) [user] symbol(";; Unary rule")
   Call: (190) [system] ";; Unary rule"=_850188
   Exit: (190) [system] ";; Unary rule"=";; Unary rule"
^  Exit: (189) [user] mfix_vars1(";; Unary rule", ";; Unary rule")
   Call: (189) [apply] apply:maplist_([53, 0], _850190, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(53, _868710)
   Call: (191) [system] var(53)
   Call: (191) [system] atom(53)
   Call: (191) [system] 53==true
   Call: (191) [system] 53==false
   Call: (191) [system] 53==[_873352, _873358]
   Call: (191) [system] is_list(53)
   Call: (191) [system] string(53)
   Call: (191) [system] compound(53)
^  Call: (191) [user] symbol(53)
   Call: (192) [system] atom(53)
   Fail: (192) [system] atom(53)
^  Fail: (191) [user] symbol(53)
   Call: (191) [system] 53=_868710
   Exit: (191) [system] 53=53
^  Exit: (190) [user] mfix_vars1(53, 53)
   Call: (190) [apply] apply:maplist_([0], _868712, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _884476)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_889118, _889124]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_884476
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _884478, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([53, 0], [53, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], [";; Unary rule", 53, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Unary rule", 53, 0], [";; Unary rule", 53, 0])
   Call: (187) [system] compound_name_arguments(_833412, '$COMMENT', [";; Unary rule", 53, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _913294))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _913294))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _913294)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _916094))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _916094)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), _916094)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _827796))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _827796))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _827796)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _930052))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _930052)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), _930052)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (178) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1726258747_317601, 109)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258758.2756846)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258758.2756846-1726258756.3628235
   Exit: (173) [system] 1.9128611087799072 is 1726258758.2756846-1726258756.3628235
   Call: (173) [system] 1.9128611087799072>4
   Fail: (173) [system] 1.9128611087799072>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 18)
   Call: (175) [system] atom(18+1)
   Call: (175) [system] set_flag(translated_forms, 19)
   Exit: (175) [system] set_flag(translated_forms, 19)
   Exit: (174) [$syspreds] update_flag(translated_forms, 18, 18+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 18, 18+1))
   Exit: (171) [$syspreds] flag(translated_forms, 18, 18+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1726258747_317601, 109)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Unary rule"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Unary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1726258747_317601, 109)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 18, 18+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Unary rule", 53, 0), ynthesize_long_1726258747_317601, 109)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 110)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 110))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 110))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1004836)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1012258)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1020596)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1023382=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1025250, _1025252, _1025254, _1025256), read_sexpr((0x558d99e6bec0), _1025268), assertz(metta_file_comment(_1025250, _1025252, _1025254, _1025268, _1025256))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1025250, _1025252, _1025254, _1025256)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1025256))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1025256))
   Exit: (181) [system] nonvar(position(_1025256))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4436, 111, 0, 4436)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), _1025250)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1035508)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), _1025250)
   Exit: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), 111)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), 111)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), _1025252)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1042942)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), _1025252)
   Exit: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), _1025254)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1050376)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), _1025254)
   Exit: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), 4436)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), 4436)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1025268)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1025268)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1060602)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1074756)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1025268)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1080326)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1094480)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1100050)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1101908)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1116062)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1100050)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1133704)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1134638)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1133704=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1100050)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1143948, _1143950), once(user:catch(read_from_chars([=], _1100050), _1143924, fail)), '$restore_trace'(_1143948, _1143950))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1143948, _1143950))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1143924, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1151448)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1153306)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1161044)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1163748)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1178826)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1184396)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1186254)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1200408)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1184396)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1205978)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1220132)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1225702)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1227560)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1241714)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _1225702)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1259356)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1260290)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1265010, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1265942, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1273292)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1274226)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1278946, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1273292=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1259356=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1225702)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1288202, _1288204), once(user:catch(read_from_chars([r, b], _1225702), _1288178, fail)), '$restore_trace'(_1288202, _1288204))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1288202, _1288204))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1288178, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1295702)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1297560)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1311714)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _1315504)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _1295702=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _1184396=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1323798)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1325656)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _1333394)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1336098)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1351176)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1356746)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1358604)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _1372758)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1356746)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1378328)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1392482)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1398052)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1399910)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1414064)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _1398052)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1431706)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1432640)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1431706=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1398052)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1441950, _1441952), once(user:catch(read_from_chars([:], _1398052), _1441926, fail)), '$restore_trace'(_1441950, _1441952))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1441950, _1441952))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1441926, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1449450)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1451308)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1459046)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1461750)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1476828)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1482398)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1484256)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1498410)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1482398)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1516052)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1516986)
   Exit: (190) [system] peek_char((0x558d99e6bec0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1521706, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1522638, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x558d99e6bec0), i)
   Exit: (190) [system] get_char((0x558d99e6bec0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1529988)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1530922)
   Exit: (191) [system] peek_char((0x558d99e6bec0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1535642, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1536574, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x558d99e6bec0), s)
   Exit: (191) [system] get_char((0x558d99e6bec0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1543924)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1544858)
   Exit: (192) [system] peek_char((0x558d99e6bec0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1549578, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1550510, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x558d99e6bec0), j)
   Exit: (192) [system] get_char((0x558d99e6bec0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1557860)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1558794)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1563514, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1564446, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1571796)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1572730)
   Exit: (194) [system] peek_char((0x558d99e6bec0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1577450, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1578382, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x558d99e6bec0), n)
   Exit: (194) [system] get_char((0x558d99e6bec0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1585732)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1586666)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1591386, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1592318, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x558d99e6bec0), c)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1599668)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1600602)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1605322, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1606254, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1613604)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1614538)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1619258, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1620190, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1627540)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1628474)
   Exit: (198) [system] peek_char((0x558d99e6bec0), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_1633194, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_1634126, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x558d99e6bec0), v)
   Exit: (198) [system] get_char((0x558d99e6bec0), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1641476)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1642410)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1647130, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1648062, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1655412)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1656346)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_1661066, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_1661998, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x558d99e6bec0), 'S')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1669348)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1670282)
   Exit: (201) [system] peek_char((0x558d99e6bec0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1675002, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_1675934, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x558d99e6bec0), y)
   Exit: (201) [system] get_char((0x558d99e6bec0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1683284)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1684218)
   Exit: (202) [system] peek_char((0x558d99e6bec0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1688938, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_1689870, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x558d99e6bec0), l)
   Exit: (202) [system] get_char((0x558d99e6bec0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1697220)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1698154)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1702874, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1703806, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711156)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1712090)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1716810, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1717742, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1725092)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1726026)
   Exit: (205) [system] peek_char((0x558d99e6bec0), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_1730746, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_1731678, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x558d99e6bec0), g)
   Exit: (205) [system] get_char((0x558d99e6bec0), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1739028)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1739962)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1744682, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1745614, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752964)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1753898)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1758618, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1759550, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766900)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1767834)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1772554, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1773486, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1780836)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1781770)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1780836=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1766900=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (207) [system] _1752964=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, m])
   Call: (206) [system] _1739028=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, m])
   Call: (205) [system] _1725092=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [g, i, s, m])
   Call: (204) [system] _1711156=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, g, i, s, m])
   Call: (203) [system] _1697220=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, o, g, i, s, m])
   Call: (202) [system] _1683284=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, l, o, g, i, s, m])
   Call: (201) [system] _1669348=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _1655412=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _1641476=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _1627540=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _1613604=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _1599668=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _1585732=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _1571796=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _1557860=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _1543924=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _1529988=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _1516052=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _1482398)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1844166, _1844168), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _1482398), _1844142, fail)), '$restore_trace'(_1844166, _1844168))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1844166, _1844168))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _1482398), _1844142, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_1482398)
   Fail: (190) [system] atomic(_1482398)
   Call: (190) [system] atom_chars(_1482398, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (190) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1853542)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1855400)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1863138)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1865842)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1880920)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1886490)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1888348)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1902502)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1886490)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1908072)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1922226)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1927796)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1929654)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1943808)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _1927796)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1961450)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1962384)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1967104, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1968036, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1975386)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1976320)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1975386=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1961450=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _1927796)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1988424, _1988426), once(user:catch(read_from_chars([-, >], _1927796), _1988400, fail)), '$restore_trace'(_1988424, _1988426))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1988424, _1988426))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1988400, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1995924)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1997782)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _2005520)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2008224)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2023302)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _2028872)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2030730)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _2044884)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _2028872)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2050454)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _2064608)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _2070178)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2072036)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _2086190)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _3414)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _10500)
   Call: (196) [system] peek_char((0x558d99e6bec0), _11434)
   Exit: (196) [system] peek_char((0x558d99e6bec0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_16154, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_17086, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x558d99e6bec0), r)
   Exit: (196) [system] get_char((0x558d99e6bec0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _24436)
   Call: (197) [system] peek_char((0x558d99e6bec0), _25370)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_30090, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_31022, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (197) [system] get_char((0x558d99e6bec0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _38372)
   Call: (198) [system] peek_char((0x558d99e6bec0), _39306)
   Exit: (198) [system] peek_char((0x558d99e6bec0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_44026, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_44958, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x558d99e6bec0), i)
   Exit: (198) [system] get_char((0x558d99e6bec0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52308)
   Call: (199) [system] peek_char((0x558d99e6bec0), _53242)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_57962, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_58894, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66244)
   Call: (200) [system] peek_char((0x558d99e6bec0), _67178)
   Exit: (200) [system] peek_char((0x558d99e6bec0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_71898, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_72830, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x558d99e6bec0), k)
   Exit: (200) [system] get_char((0x558d99e6bec0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80180)
   Call: (201) [system] peek_char((0x558d99e6bec0), _81114)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _80180=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _66244=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (199) [system] _52308=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (198) [system] _38372=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (197) [system] _24436=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (196) [system] _10500=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _3414)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_104394, _104396), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _3414), _104370, fail)), '$restore_trace'(_104394, _104396))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_104394, _104396))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _3414), _104370, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_3414)
   Fail: (196) [system] atomic(_3414)
   Call: (196) [system] atom_chars(_3414, ['O', r, 'L', i, n, k])
   Exit: (196) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _113770)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _115628)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _123366)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _126070)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _141148)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _146718)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _148576)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _162730)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _146718)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180372)
   Call: (197) [system] peek_char((0x558d99e6bec0), _181306)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_186026, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_186958, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _194308)
   Call: (198) [system] peek_char((0x558d99e6bec0), _195242)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _194308=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _180372=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _146718)
   Call: (197) [system] atom_chars(_207320, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _211984)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _213842)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _221580)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _224284)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _239362)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _244932)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _246790)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _260944)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _244932)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _278586)
   Call: (198) [system] peek_char((0x558d99e6bec0), _279520)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_284240, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_285172, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _292522)
   Call: (199) [system] peek_char((0x558d99e6bec0), _293456)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_298176, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _292522=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _278586=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _244932)
   Call: (198) [system] atom_chars(_307406, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _312070)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _313928)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _328082)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _331872)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _312070=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _211984=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _113770=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (193) [system] _3408=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _345754)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _347612)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _355350)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _358054)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _373132)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _378702)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _380560)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _394714)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _378702)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _400284)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _414438)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _420008)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _421866)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _436020)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _420008)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _453662)
   Call: (197) [system] peek_char((0x558d99e6bec0), _454596)
   Exit: (197) [system] peek_char((0x558d99e6bec0), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_459316, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_460248, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x558d99e6bec0), o)
   Exit: (197) [system] get_char((0x558d99e6bec0), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _467598)
   Call: (198) [system] peek_char((0x558d99e6bec0), _468532)
   Exit: (198) [system] peek_char((0x558d99e6bec0), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_473252, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_474184, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x558d99e6bec0), t)
   Exit: (198) [system] get_char((0x558d99e6bec0), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _481534)
   Call: (199) [system] peek_char((0x558d99e6bec0), _482468)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_487188, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_488120, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (199) [system] get_char((0x558d99e6bec0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _495470)
   Call: (200) [system] peek_char((0x558d99e6bec0), _496404)
   Exit: (200) [system] peek_char((0x558d99e6bec0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_501124, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_502056, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x558d99e6bec0), i)
   Exit: (200) [system] get_char((0x558d99e6bec0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _509406)
   Call: (201) [system] peek_char((0x558d99e6bec0), _510340)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_515060, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_515992, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _523342)
   Call: (202) [system] peek_char((0x558d99e6bec0), _524276)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_528996, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_529928, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _537278)
   Call: (203) [system] peek_char((0x558d99e6bec0), _538212)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _537278=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _523342=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (201) [system] _509406=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (200) [system] _495470=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (199) [system] _481534=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (198) [system] _467598=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, 'L', i, n, k])
   Call: (197) [system] _453662=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], _420008)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_564286, _564288), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _420008), _564262, fail)), '$restore_trace'(_564286, _564288))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_564286, _564288))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _420008), _564262, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_420008)
   Fail: (197) [system] atomic(_420008)
   Call: (197) [system] atom_chars(_420008, ['N', o, t, 'L', i, n, k])
   Exit: (197) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'NotLink')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _573662)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _575520)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _583258)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _585962)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _601040)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _606610)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _608468)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _622622)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _606610)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640264)
   Call: (198) [system] peek_char((0x558d99e6bec0), _641198)
   Exit: (198) [system] peek_char((0x558d99e6bec0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_645918, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_646850, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x558d99e6bec0), p)
   Exit: (198) [system] get_char((0x558d99e6bec0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654200)
   Call: (199) [system] peek_char((0x558d99e6bec0), _655134)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_659854, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _654200=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _640264=[p]
   Exit: (198) [system] [p]=[p]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (197) [user] classify_and_convert_charseq($, [p], _606610)
   Call: (198) [system] atom_chars(_669084, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _673748)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _675606)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _689760)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _693550)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _673748=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _573662=[_p]
   Exit: (195) [system] [_p]=[_p]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_p])
   Call: (194) [system] _378702=['NotLink', _p]
   Exit: (194) [system] ['NotLink', _p]=['NotLink', _p]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['NotLink', _p])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), ['NotLink', _p])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _704638)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _706496)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _714234)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _716938)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _732016)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _737586)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _739444)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _753598)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _737586)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _771240)
   Call: (196) [system] peek_char((0x558d99e6bec0), _772174)
   Exit: (196) [system] peek_char((0x558d99e6bec0), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Fail: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_776894, v('(', ')', end_of_file), q)
   Fail: (197) [system] arg(_777826, v('(', ')', end_of_file), q)
^  Fail: (196) [user] is_delimiter(q)
   Call: (196) [system] ')'==q
   Fail: (196) [system] ')'==q
   Call: (196) [system] get_char((0x558d99e6bec0), q)
   Exit: (196) [system] get_char((0x558d99e6bec0), q)
   Call: (196) [system] q=(\)
   Fail: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _785176)
   Call: (197) [system] peek_char((0x558d99e6bec0), _786110)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_790830, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _785176=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _771240=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (195) [user] classify_and_convert_charseq($, [q], _737586)
   Call: (196) [system] atom_chars(_800060, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _804724)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _806582)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _820736)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _824526)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _804724=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _704638=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (192) [system] _345754=[['NotLink', _p], _q]
   Exit: (192) [system] [['NotLink', _p], _q]=[['NotLink', _p], _q]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [['NotLink', _p], _q])
   Call: (191) [system] _3404=[['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _p], _q]=[['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['OrLink', _p, _q], ['NotLink', _p], _q])
   Call: (190) [system] _3396=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _p], _q]=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _841202)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _843060)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _857214)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _861004)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _841202=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _3392=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (187) [system] _3386=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (186) [system] _3378=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _874886)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _876744)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _890898)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _894688)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _874886=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]), assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_913206, _913208, _913210, _913212, _913214))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _916374))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _916374)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _916374)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _919190))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _919190))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _919190)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _921990))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _921990)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _921990)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _932212)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _932212)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _932212)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==[_938728, _938734]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _921990)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _921990, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _944308)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _948016, =)
   Call: (191) [system] atom_concat($, _948016, =)
   Fail: (191) [system] atom_concat($, _948016, =)
^  Fail: (190) [user] symbol_concat($, _948016, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_953604, _953610]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _944310, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _962872)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _971216)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _971216)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _971216)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _971216)
   Call: (195) [lists] lists:last_([], ['S', _k], _971216)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_981460, _981466]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _962872)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _962872, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _987040)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _990748, synthesize)
   Call: (195) [system] atom_concat($, _990748, synthesize)
   Fail: (195) [system] atom_concat($, _990748, synthesize)
^  Fail: (194) [user] symbol_concat($, _990748, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_996336, _996342]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _987042, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1005604)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1010246, _1010252]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1014880, _1014882)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1020474))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1020474))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1020474)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1023274))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1023274)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1023274)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _916374))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _916374))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _916374)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1037232))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1037232)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1037232)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 110)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258758.5511696)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258758.5511696-1726258756.3628235
   Exit: (173) [system] 2.1883461475372314 is 1726258758.5511696-1726258756.3628235
   Call: (173) [system] 2.1883461475372314>4
   Fail: (173) [system] 2.1883461475372314>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 19)
   Call: (175) [system] atom(19+1)
   Call: (175) [system] set_flag(translated_forms, 20)
   Exit: (175) [system] set_flag(translated_forms, 20)
   Exit: (174) [$syspreds] update_flag(translated_forms, 19, 19+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 19, 19+1))
   Exit: (171) [$syspreds] flag(translated_forms, 19, 19+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 110)
^  Call: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, _1088702, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1088704)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1088704)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1093354)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1093354
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1093356)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1100772)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1108184)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1108184, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1110064)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1110064
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1110066, user:s2t)
^  Call: (179) [user] s2t(_query, _1115638)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1115638)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1115640, user:s2t)
^  Call: (180) [user] s2t(_kb, _1124908)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1124908)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1124910, user:s2t)
^  Call: (181) [user] s2t(_rb, _1134178)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1134178)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1134180, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1143448)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1150860)
   Call: (184) [apply] apply:maplist_(['S', _k], _1150860, user:s2t)
^  Call: (185) [user] s2t('S', _1152740)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1152740
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1152742, user:s2t)
^  Call: (186) [user] s2t(_k, _1158314)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1158314)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1158316, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1143448, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1143450, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1100772, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1100774)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1187158)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1194570)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1194570, user:s2t)
^  Call: (179) [user] s2t('let*', _1196450)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1196450
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1196452, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1202024)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1209436)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1209436, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1211316)
   Call: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1218728)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1218728, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], _1220608)
   Call: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise, _conclusion]], _1228020)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], _1228020, user:s2t)
^  Call: (189) [user] s2t(:, _1229900)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1229900
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], _1229902, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1235474)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1235474)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], _1235476, user:s2t)
^  Call: (191) [user] s2t([->, _premise, _conclusion], _1244744)
   Call: (192) [system] compound([->, _premise, _conclusion])
   Exit: (192) [system] compound([->, _premise, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise, _conclusion], _1249380)
   Call: (193) [system] compound([_premise, _conclusion])
   Exit: (193) [system] compound([_premise, _conclusion])
^  Call: (193) [user] s2t(_premise, _1252160)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1252160)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
^  Call: (193) [user] s2tl([_conclusion], _1252162)
   Call: (194) [system] compound([_conclusion])
   Exit: (194) [system] compound([_conclusion])
^  Call: (194) [user] s2t(_conclusion, _1263274)
   Call: (195) [system] compound(_conclusion)
   Exit: (195) [system] compound(_conclusion)
   Call: (195) [system] is_list(_conclusion)
^  Call: (195) [user] s2tl(_conclusion, _1263274)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
^  Exit: (195) [user] s2tl(_conclusion, _conclusion)
^  Exit: (194) [user] s2t(_conclusion, _conclusion)
^  Call: (194) [user] s2tl([], _1263276)
   Call: (195) [system] compound([])
   Call: (195) [system] []=_1263276
   Exit: (195) [system] []=[]
^  Exit: (194) [user] s2tl([], [])
^  Exit: (193) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (192) [user] s2tl([_premise, _conclusion], [_premise, _conclusion])
   Call: (192) [system] _1244744=..[->, [_premise, _conclusion]]
   Exit: (192) [system] ->([_premise, _conclusion])=..[->, [_premise, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise, _conclusion], ->([_premise, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1244746, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], [->([_premise, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], [_ructor, ->([_premise, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1220608, t, [:, _ructor, ->([_premise, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise, _conclusion])), t, [:, _ructor, ->([_premise, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], t(:, _ructor, ->([_premise, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1220610, user:s2t)
^  Call: (187) [user] s2t([_rb], _1290234)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1297646)
   Call: (189) [apply] apply:maplist_([_rb], _1297646, user:s2t)
^  Call: (190) [user] s2t(_rb, _1299526)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1299526)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1299528, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1290234, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1290236, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1211316, t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1211318, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], _1322790)
   Call: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof], _conclusion], _query], _1330202)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], _1330202, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof], _conclusion], _1332082)
   Call: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof], _conclusion], _1339494)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], _1339494, user:s2t)
^  Call: (190) [user] s2t(:, _1341374)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1341374
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], _1341376, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof], _1346948)
   Call: (192) [system] compound([_ructor, _proof])
   Exit: (192) [system] compound([_ructor, _proof])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof])
   Exit: (192) [system] is_list([_ructor, _proof])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof], _1354360)
   Call: (193) [apply] apply:maplist_([_ructor, _proof], _1354360, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1356240)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1356240)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof], _1356242, user:s2t)
^  Call: (195) [user] s2t(_proof, _1365510)
   Call: (196) [system] compound(_proof)
   Exit: (196) [system] compound(_proof)
   Call: (196) [system] is_list(_proof)
^  Call: (196) [user] s2tl(_proof, _1365510)
   Call: (197) [system] compound(_proof)
   Exit: (197) [system] compound(_proof)
^  Exit: (196) [user] s2tl(_proof, _proof)
^  Exit: (195) [user] s2t(_proof, _proof)
   Call: (195) [apply] apply:maplist_([], _1365512, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof], [_proof], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof], [_ructor, _proof], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof], [_ructor, _proof])
   Call: (192) [system] compound_name_arguments(_1346948, t, [_ructor, _proof])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof), t, [_ructor, _proof])
^  Exit: (191) [user] s2t([_ructor, _proof], t(_ructor, _proof))
   Call: (191) [apply] apply:maplist_([_conclusion], _1346950, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1382244)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1382244)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1382246, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], [t(_ructor, _proof), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion])
   Call: (188) [system] compound_name_arguments(_1332082, t, [:, t(_ructor, _proof), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof), _conclusion), t, [:, t(_ructor, _proof), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof], _conclusion], t(:, t(_ructor, _proof), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1332084, user:s2t)
^  Call: (188) [user] s2t(_query, _1399912)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1399912)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1399914, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1322790, t, [t(:, t(_ructor, _proof), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof), _conclusion), _query), t, [t(:, t(_ructor, _proof), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], t(t(:, t(_ructor, _proof), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1322792, user:s2t)
^  Call: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1416646)
   Call: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof, _premise]==(->)
   Call: (186) [system] [:, _proof, _premise]=='Cons'
   Call: (186) [system] [:, _proof, _premise]==(=)
   Call: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1424058)
   Call: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1424058, user:s2t)
^  Call: (188) [user] s2t([:, _proof, _premise], _1425938)
   Call: (189) [system] compound([:, _proof, _premise])
   Exit: (189) [system] compound([:, _proof, _premise])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof, _premise])
   Exit: (189) [system] is_list([:, _proof, _premise])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof, _premise], _1433350)
   Call: (190) [apply] apply:maplist_([:, _proof, _premise], _1433350, user:s2t)
^  Call: (191) [user] s2t(:, _1435230)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1435230
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof, _premise], _1435232, user:s2t)
^  Call: (192) [user] s2t(_proof, _1440804)
   Call: (193) [system] compound(_proof)
   Exit: (193) [system] compound(_proof)
   Call: (193) [system] is_list(_proof)
^  Call: (193) [user] s2tl(_proof, _1440804)
   Call: (194) [system] compound(_proof)
   Exit: (194) [system] compound(_proof)
^  Exit: (193) [user] s2tl(_proof, _proof)
^  Exit: (192) [user] s2t(_proof, _proof)
   Call: (192) [apply] apply:maplist_([_premise], _1440806, user:s2t)
^  Call: (193) [user] s2t(_premise, _1450074)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1450074)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
   Call: (193) [apply] apply:maplist_([], _1450076, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (189) [system] compound_name_arguments(_1425938, t, [:, _proof, _premise])
   Exit: (189) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (188) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], _1425940, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1467742)
   Call: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], _1475154)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], _1475154, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1477034)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1477034
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], _1477036, user:s2t)
^  Call: (193) [user] s2t([:, _proof, _premise], _1482608)
   Call: (194) [system] compound([:, _proof, _premise])
   Exit: (194) [system] compound([:, _proof, _premise])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof, _premise])
   Exit: (194) [system] is_list([:, _proof, _premise])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof, _premise], _1490020)
   Call: (195) [apply] apply:maplist_([:, _proof, _premise], _1490020, user:s2t)
^  Call: (196) [user] s2t(:, _1491900)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1491900
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof, _premise], _1491902, user:s2t)
^  Call: (197) [user] s2t(_proof, _1497474)
   Call: (198) [system] compound(_proof)
   Exit: (198) [system] compound(_proof)
   Call: (198) [system] is_list(_proof)
^  Call: (198) [user] s2tl(_proof, _1497474)
   Call: (199) [system] compound(_proof)
   Exit: (199) [system] compound(_proof)
^  Exit: (198) [user] s2tl(_proof, _proof)
^  Exit: (197) [user] s2t(_proof, _proof)
   Call: (197) [apply] apply:maplist_([_premise], _1497476, user:s2t)
^  Call: (198) [user] s2t(_premise, _1506744)
   Call: (199) [system] compound(_premise)
   Exit: (199) [system] compound(_premise)
   Call: (199) [system] is_list(_premise)
^  Call: (199) [user] s2tl(_premise, _1506744)
   Call: (200) [system] compound(_premise)
   Exit: (200) [system] compound(_premise)
^  Exit: (199) [user] s2tl(_premise, _premise)
^  Exit: (198) [user] s2t(_premise, _premise)
   Call: (198) [apply] apply:maplist_([], _1506746, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (194) [system] compound_name_arguments(_1482608, t, [:, _proof, _premise])
   Exit: (194) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (193) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1482610, user:s2t)
^  Call: (194) [user] s2t(_kb, _1524412)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1524412)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1524414, user:s2t)
^  Call: (195) [user] s2t(_rb, _1533682)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1533682)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1533684, user:s2t)
^  Call: (196) [user] s2t(_k, _1542952)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1542952)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1542954, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], [t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1467742, t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof, _premise), _kb, _rb, _k), t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1467744, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1416646, t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)), t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([], _1416648, user:s2t)
   Exit: (185) [apply] apply:maplist_([], [], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_1202024, t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _1202026, user:s2t)
^  Call: (181) [user] s2t(_query, _1578350)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1578350)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1578352, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_1187158, t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _1187160)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_1187160
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], _1603440)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1603440=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1609002=..[ynthesize_long_1726258747_317601, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1726258747_317601(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))=..[ynthesize_long_1726258747_317601, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 110)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 19, 19+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 110)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 111)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 111))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 111))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1634194)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1641616)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1649954)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1652740=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1654608, _1654610, _1654612, _1654614), read_sexpr((0x558d99e6bec0), _1654626), assertz(metta_file_comment(_1654608, _1654610, _1654612, _1654626, _1654614))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1654608, _1654610, _1654612, _1654614)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1654614))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1654614))
   Exit: (181) [system] nonvar(position(_1654614))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4506, 112, 0, 4506)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), _1654608)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1664866)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), _1654608)
   Exit: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), 112)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), 112)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), _1654610)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1672300)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), _1654610)
   Exit: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), _1654612)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1679734)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), _1654612)
   Exit: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), 4506)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), 4506)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1654626)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1654626)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1689960)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1704114)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1654626)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1709684)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1723838)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1729408)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1731266)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1745420)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1729408)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1763062)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1763996)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1763062=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1729408)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1773306, _1773308), once(user:catch(read_from_chars([=], _1729408), _1773282, fail)), '$restore_trace'(_1773306, _1773308))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1773306, _1773308))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1773282, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1780806)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1782664)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1790402)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1793106)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1808184)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1813754)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1815612)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1829766)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1813754)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1835336)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1849490)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1855060)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1856918)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1871072)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _1855060)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1888714)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1889648)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1894368, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1895300, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1902650)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1903584)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1908304, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1902650=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1888714=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1855060)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1917560, _1917562), once(user:catch(read_from_chars([r, b], _1855060), _1917536, fail)), '$restore_trace'(_1917560, _1917562))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1917560, _1917562))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1917536, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1925060)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1926918)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1941072)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _1944862)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _1925060=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _1813754=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1953156)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1955014)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _1962752)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1965456)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1980534)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1986104)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1987962)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _2002116)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1986104)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _2007686)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2021840)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _2027410)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _2029268)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _2043422)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _2027410)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2061064)
   Call: (189) [system] peek_char((0x558d99e6bec0), _2061998)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _2061064=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _2027410)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_2071308, _2071310), once(user:catch(read_from_chars([:], _2027410), _2071284, fail)), '$restore_trace'(_2071308, _2071310))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_2071308, _2071310))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2071284, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _2078808)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _2080666)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _2088404)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _2091108)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _13212)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _18782)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _20640)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _34794)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _18782)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52436)
   Call: (190) [system] peek_char((0x558d99e6bec0), _53370)
   Exit: (190) [system] peek_char((0x558d99e6bec0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_58090, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_59022, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x558d99e6bec0), i)
   Exit: (190) [system] get_char((0x558d99e6bec0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66372)
   Call: (191) [system] peek_char((0x558d99e6bec0), _67306)
   Exit: (191) [system] peek_char((0x558d99e6bec0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_72026, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_72958, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x558d99e6bec0), s)
   Exit: (191) [system] get_char((0x558d99e6bec0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80308)
   Call: (192) [system] peek_char((0x558d99e6bec0), _81242)
   Exit: (192) [system] peek_char((0x558d99e6bec0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_85962, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_86894, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x558d99e6bec0), j)
   Exit: (192) [system] get_char((0x558d99e6bec0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _94244)
   Call: (193) [system] peek_char((0x558d99e6bec0), _95178)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_99898, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_100830, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _108180)
   Call: (194) [system] peek_char((0x558d99e6bec0), _109114)
   Exit: (194) [system] peek_char((0x558d99e6bec0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_113834, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_114766, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x558d99e6bec0), n)
   Exit: (194) [system] get_char((0x558d99e6bec0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _122116)
   Call: (195) [system] peek_char((0x558d99e6bec0), _123050)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_127770, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_128702, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x558d99e6bec0), c)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _136052)
   Call: (196) [system] peek_char((0x558d99e6bec0), _136986)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_141706, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_142638, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _149988)
   Call: (197) [system] peek_char((0x558d99e6bec0), _150922)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_155642, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_156574, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _163924)
   Call: (198) [system] peek_char((0x558d99e6bec0), _164858)
   Exit: (198) [system] peek_char((0x558d99e6bec0), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Fail: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_169578, v('(', ')', end_of_file), v)
   Fail: (199) [system] arg(_170510, v('(', ')', end_of_file), v)
^  Fail: (198) [user] is_delimiter(v)
   Call: (198) [system] ')'==v
   Fail: (198) [system] ')'==v
   Call: (198) [system] get_char((0x558d99e6bec0), v)
   Exit: (198) [system] get_char((0x558d99e6bec0), v)
   Call: (198) [system] v=(\)
   Fail: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _177860)
   Call: (199) [system] peek_char((0x558d99e6bec0), _178794)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_183514, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_184446, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _191796)
   Call: (200) [system] peek_char((0x558d99e6bec0), _192730)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Fail: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_197450, v('(', ')', end_of_file), 'S')
   Fail: (201) [system] arg(_198382, v('(', ')', end_of_file), 'S')
^  Fail: (200) [user] is_delimiter('S')
   Call: (200) [system] ')'=='S'
   Fail: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x558d99e6bec0), 'S')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'S')
   Call: (200) [system] 'S'=(\)
   Fail: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _205732)
   Call: (201) [system] peek_char((0x558d99e6bec0), _206666)
   Exit: (201) [system] peek_char((0x558d99e6bec0), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Fail: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_211386, v('(', ')', end_of_file), y)
   Fail: (202) [system] arg(_212318, v('(', ')', end_of_file), y)
^  Fail: (201) [user] is_delimiter(y)
   Call: (201) [system] ')'==y
   Fail: (201) [system] ')'==y
   Call: (201) [system] get_char((0x558d99e6bec0), y)
   Exit: (201) [system] get_char((0x558d99e6bec0), y)
   Call: (201) [system] y=(\)
   Fail: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _219668)
   Call: (202) [system] peek_char((0x558d99e6bec0), _220602)
   Exit: (202) [system] peek_char((0x558d99e6bec0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_225322, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_226254, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x558d99e6bec0), l)
   Exit: (202) [system] get_char((0x558d99e6bec0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _233604)
   Call: (203) [system] peek_char((0x558d99e6bec0), _234538)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_239258, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_240190, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247540)
   Call: (204) [system] peek_char((0x558d99e6bec0), _248474)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_253194, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_254126, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _261476)
   Call: (205) [system] peek_char((0x558d99e6bec0), _262410)
   Exit: (205) [system] peek_char((0x558d99e6bec0), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Fail: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_267130, v('(', ')', end_of_file), g)
   Fail: (206) [system] arg(_268062, v('(', ')', end_of_file), g)
^  Fail: (205) [user] is_delimiter(g)
   Call: (205) [system] ')'==g
   Fail: (205) [system] ')'==g
   Call: (205) [system] get_char((0x558d99e6bec0), g)
   Exit: (205) [system] get_char((0x558d99e6bec0), g)
   Call: (205) [system] g=(\)
   Fail: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _275412)
   Call: (206) [system] peek_char((0x558d99e6bec0), _276346)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_281066, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_281998, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _289348)
   Call: (207) [system] peek_char((0x558d99e6bec0), _290282)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_295002, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_295934, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _303284)
   Call: (208) [system] peek_char((0x558d99e6bec0), _304218)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_308938, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_309870, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _317220)
   Call: (209) [system] peek_char((0x558d99e6bec0), _318154)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _317220=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _303284=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (207) [system] _289348=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, m])
   Call: (206) [system] _275412=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, m])
   Call: (205) [system] _261476=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [g, i, s, m])
   Call: (204) [system] _247540=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, g, i, s, m])
   Call: (203) [system] _233604=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, o, g, i, s, m])
   Call: (202) [system] _219668=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, l, o, g, i, s, m])
   Call: (201) [system] _205732=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _191796=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _177860=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _163924=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _149988=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _136052=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _122116=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _108180=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _94244=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _80308=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _66372=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _52436=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _18782)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_380550, _380552), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _18782), _380526, fail)), '$restore_trace'(_380550, _380552))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_380550, _380552))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _18782), _380526, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_18782)
   Fail: (190) [system] atomic(_18782)
   Call: (190) [system] atom_chars(_18782, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (190) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _389926)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _391784)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _399522)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _402226)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _417304)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _422874)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _424732)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _438886)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _422874)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _444456)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _458610)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _464180)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _466038)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _480192)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _464180)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497834)
   Call: (193) [system] peek_char((0x558d99e6bec0), _498768)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_503488, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_504420, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _511770)
   Call: (194) [system] peek_char((0x558d99e6bec0), _512704)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _511770=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _497834=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _464180)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_524808, _524810), once(user:catch(read_from_chars([-, >], _464180), _524784, fail)), '$restore_trace'(_524808, _524810))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_524808, _524810))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _524784, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _532308)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _534166)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _541904)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _544608)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _559686)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _565256)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _567114)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _581268)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _565256)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _586838)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (194) [system] 'O'=(;)
   Fail: (194) [system] 'O'=(;)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Fail: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Fail: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Fail: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
   Fail: (195) [system] char_type('O', cntrl)
^  Fail: (194) [user] is_like_space('O')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _600992)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (193) [system] 'O'=')'
   Fail: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
   Fail: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _606562)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _608420)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (195) [system] 'O'=(;)
   Fail: (195) [system] 'O'=(;)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Fail: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Fail: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Fail: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
   Fail: (196) [system] char_type('O', cntrl)
^  Fail: (195) [user] is_like_space('O')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _622574)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'O')
   Call: (194) [system] 'O'='('
   Fail: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Fail: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Fail: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Fail: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Fail: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Fail: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Fail: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
   Fail: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _606562)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640216)
   Call: (196) [system] peek_char((0x558d99e6bec0), _641150)
   Exit: (196) [system] peek_char((0x558d99e6bec0), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Fail: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_645870, v('(', ')', end_of_file), r)
   Fail: (197) [system] arg(_646802, v('(', ')', end_of_file), r)
^  Fail: (196) [user] is_delimiter(r)
   Call: (196) [system] ')'==r
   Fail: (196) [system] ')'==r
   Call: (196) [system] get_char((0x558d99e6bec0), r)
   Exit: (196) [system] get_char((0x558d99e6bec0), r)
   Call: (196) [system] r=(\)
   Fail: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654152)
   Call: (197) [system] peek_char((0x558d99e6bec0), _655086)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Fail: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_659806, v('(', ')', end_of_file), 'L')
   Fail: (198) [system] arg(_660738, v('(', ')', end_of_file), 'L')
^  Fail: (197) [user] is_delimiter('L')
   Call: (197) [system] ')'=='L'
   Fail: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (197) [system] get_char((0x558d99e6bec0), 'L')
   Call: (197) [system] 'L'=(\)
   Fail: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _668088)
   Call: (198) [system] peek_char((0x558d99e6bec0), _669022)
   Exit: (198) [system] peek_char((0x558d99e6bec0), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Fail: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_673742, v('(', ')', end_of_file), i)
   Fail: (199) [system] arg(_674674, v('(', ')', end_of_file), i)
^  Fail: (198) [user] is_delimiter(i)
   Call: (198) [system] ')'==i
   Fail: (198) [system] ')'==i
   Call: (198) [system] get_char((0x558d99e6bec0), i)
   Exit: (198) [system] get_char((0x558d99e6bec0), i)
   Call: (198) [system] i=(\)
   Fail: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _682024)
   Call: (199) [system] peek_char((0x558d99e6bec0), _682958)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_687678, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_688610, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _695960)
   Call: (200) [system] peek_char((0x558d99e6bec0), _696894)
   Exit: (200) [system] peek_char((0x558d99e6bec0), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Fail: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_701614, v('(', ')', end_of_file), k)
   Fail: (201) [system] arg(_702546, v('(', ')', end_of_file), k)
^  Fail: (200) [user] is_delimiter(k)
   Call: (200) [system] ')'==k
   Fail: (200) [system] ')'==k
   Call: (200) [system] get_char((0x558d99e6bec0), k)
   Exit: (200) [system] get_char((0x558d99e6bec0), k)
   Call: (200) [system] k=(\)
   Fail: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _709896)
   Call: (201) [system] peek_char((0x558d99e6bec0), _710830)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _709896=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _695960=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (199) [system] _682024=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (198) [system] _668088=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (197) [system] _654152=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (196) [system] _640216=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _606562)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_734110, _734112), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _606562), _734086, fail)), '$restore_trace'(_734110, _734112))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_734110, _734112))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _606562), _734086, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_606562)
   Fail: (196) [system] atomic(_606562)
   Call: (196) [system] atom_chars(_606562, ['O', r, 'L', i, n, k])
   Exit: (196) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _743486)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _745344)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _753082)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _755786)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _770864)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _776434)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _778292)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _792446)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _776434)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _810088)
   Call: (197) [system] peek_char((0x558d99e6bec0), _811022)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_815742, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_816674, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _824024)
   Call: (198) [system] peek_char((0x558d99e6bec0), _824958)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _824024=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _810088=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _776434)
   Call: (197) [system] atom_chars(_837036, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _841700)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _843558)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _851296)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _854000)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _869078)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _874648)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _876506)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _890660)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _874648)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _908302)
   Call: (198) [system] peek_char((0x558d99e6bec0), _909236)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_913956, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_914888, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _922238)
   Call: (199) [system] peek_char((0x558d99e6bec0), _923172)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_927892, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _922238=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _908302=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _874648)
   Call: (198) [system] atom_chars(_937122, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _941786)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _943644)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _957798)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _961588)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _941786=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _841700=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _743486=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (193) [system] _565256=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _975470)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _977328)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _985066)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _987770)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1002848)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1008418)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1010276)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1024430)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1008418)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1030000)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (195) [system] 'N'=(;)
   Fail: (195) [system] 'N'=(;)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Fail: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Fail: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Fail: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
   Fail: (196) [system] char_type('N', cntrl)
^  Fail: (195) [user] is_like_space('N')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1044154)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (194) [system] 'N'=')'
   Fail: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
   Fail: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1049724)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1051582)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'N')
   Call: (196) [system] 'N'=(;)
   Fail: (196) [system] 'N'=(;)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Fail: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Fail: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Fail: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
   Fail: (197) [system] char_type('N', cntrl)
^  Fail: (196) [user] is_like_space('N')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1065736)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'N')
   Call: (195) [system] 'N'='('
   Fail: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Fail: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Fail: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Fail: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Fail: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Fail: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Fail: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
   Fail: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'N', _1049724)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1083378)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1084312)
   Exit: (197) [system] peek_char((0x558d99e6bec0), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Fail: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_1089032, v('(', ')', end_of_file), o)
   Fail: (198) [system] arg(_1089964, v('(', ')', end_of_file), o)
^  Fail: (197) [user] is_delimiter(o)
   Call: (197) [system] ')'==o
   Fail: (197) [system] ')'==o
   Call: (197) [system] get_char((0x558d99e6bec0), o)
   Exit: (197) [system] get_char((0x558d99e6bec0), o)
   Call: (197) [system] o=(\)
   Fail: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1097314)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1098248)
   Exit: (198) [system] peek_char((0x558d99e6bec0), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Fail: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_1102968, v('(', ')', end_of_file), t)
   Fail: (199) [system] arg(_1103900, v('(', ')', end_of_file), t)
^  Fail: (198) [user] is_delimiter(t)
   Call: (198) [system] ')'==t
   Fail: (198) [system] ')'==t
   Call: (198) [system] get_char((0x558d99e6bec0), t)
   Exit: (198) [system] get_char((0x558d99e6bec0), t)
   Call: (198) [system] t=(\)
   Fail: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1111250)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1112184)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1116904, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_1117836, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (199) [system] get_char((0x558d99e6bec0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1125186)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1126120)
   Exit: (200) [system] peek_char((0x558d99e6bec0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1130840, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_1131772, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x558d99e6bec0), i)
   Exit: (200) [system] get_char((0x558d99e6bec0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1139122)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1140056)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1144776, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1145708, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1153058)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1153992)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1158712, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_1159644, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1166994)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1167928)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1166994=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1153058=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (201) [system] _1139122=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (200) [system] _1125186=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (199) [system] _1111250=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (198) [system] _1097314=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, 'L', i, n, k])
   Call: (197) [system] _1083378=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], _1049724)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1194002, _1194004), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1049724), _1193978, fail)), '$restore_trace'(_1194002, _1194004))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1194002, _1194004))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1049724), _1193978, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1049724)
   Fail: (197) [system] atomic(_1049724)
   Call: (197) [system] atom_chars(_1049724, ['N', o, t, 'L', i, n, k])
   Exit: (197) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'NotLink')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1203378)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1205236)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1212974)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1215678)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1230756)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1236326)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1238184)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1252338)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _1236326)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1269980)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1270914)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1275634, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1276566, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1283916)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1284850)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1289570, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1283916=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1269980=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1236326)
   Call: (198) [system] atom_chars(_1298800, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1303464)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1305322)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1319476)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1323266)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1303464=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1203378=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _1008418=['NotLink', _q]
   Exit: (194) [system] ['NotLink', _q]=['NotLink', _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['NotLink', _q])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), ['NotLink', _q])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1334354)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1336212)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1343950)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1346654)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1361732)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1367302)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1369160)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1383314)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1367302)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1400956)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1401890)
   Exit: (196) [system] peek_char((0x558d99e6bec0), p)
^  Call: (196) [user] is_delimiter(p)
   Call: (197) [system] char_type(p, space)
   Fail: (197) [system] char_type(p, space)
   Call: (197) [system] arg(_1406610, v('(', ')', end_of_file), p)
   Fail: (197) [system] arg(_1407542, v('(', ')', end_of_file), p)
^  Fail: (196) [user] is_delimiter(p)
   Call: (196) [system] ')'==p
   Fail: (196) [system] ')'==p
   Call: (196) [system] get_char((0x558d99e6bec0), p)
   Exit: (196) [system] get_char((0x558d99e6bec0), p)
   Call: (196) [system] p=(\)
   Fail: (196) [system] p=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1414892)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1415826)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1420546, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1414892=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1400956=[p]
   Exit: (196) [system] [p]=[p]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (195) [user] classify_and_convert_charseq($, [p], _1367302)
   Call: (196) [system] atom_chars(_1429776, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1434440)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1436298)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1450452)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1454242)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1434440=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1334354=[_p]
   Exit: (193) [system] [_p]=[_p]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_p])
   Call: (192) [system] _975470=[['NotLink', _q], _p]
   Exit: (192) [system] [['NotLink', _q], _p]=[['NotLink', _q], _p]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [['NotLink', _q], _p])
   Call: (191) [system] _532308=[['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _q], _p]=[['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['OrLink', _p, _q], ['NotLink', _q], _p])
   Call: (190) [system] _422874=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _q], _p]=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1470918)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1472776)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1486930)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1490720)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1470918=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _389926=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (187) [system] _3386=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (186) [system] _3378=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1504602)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1506460)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1520614)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1524404)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1504602=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]), assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1542922, _1542924, _1542926, _1542928, _1542930))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1545756))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1545756)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), _1545756)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1548572))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1548572))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1548572)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1551372))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1551372)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), _1551372)
   Call: (187) [system] var('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] atom('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==true
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==false
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==[_1557892, _1557898]
   Call: (187) [system] is_list('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] string('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), _1562526, _1562528)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Binary rule", 59, 0], _1566268)
   Call: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], _1566268, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Binary rule", _1568148)
   Call: (190) [system] var(";; Binary rule")
   Call: (190) [system] atom(";; Binary rule")
   Call: (190) [system] ";; Binary rule"==true
   Call: (190) [system] ";; Binary rule"==false
   Call: (190) [system] ";; Binary rule"==[_1572790, _1572796]
   Call: (190) [system] is_list(";; Binary rule")
   Call: (190) [system] string(";; Binary rule")
   Exit: (190) [system] string(";; Binary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Binary rule")
^  Call: (190) [user] symbol(";; Binary rule")
   Call: (191) [system] atom(";; Binary rule")
   Fail: (191) [system] atom(";; Binary rule")
^  Fail: (190) [user] symbol(";; Binary rule")
   Call: (190) [system] ";; Binary rule"=_1568148
   Exit: (190) [system] ";; Binary rule"=";; Binary rule"
^  Exit: (189) [user] mfix_vars1(";; Binary rule", ";; Binary rule")
   Call: (189) [apply] apply:maplist_([59, 0], _1568150, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(59, _1586670)
   Call: (191) [system] var(59)
   Call: (191) [system] atom(59)
   Call: (191) [system] 59==true
   Call: (191) [system] 59==false
   Call: (191) [system] 59==[_1591312, _1591318]
   Call: (191) [system] is_list(59)
   Call: (191) [system] string(59)
   Call: (191) [system] compound(59)
^  Call: (191) [user] symbol(59)
   Call: (192) [system] atom(59)
   Fail: (192) [system] atom(59)
^  Fail: (191) [user] symbol(59)
   Call: (191) [system] 59=_1586670
   Exit: (191) [system] 59=59
^  Exit: (190) [user] mfix_vars1(59, 59)
   Call: (190) [apply] apply:maplist_([0], _1586672, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1602436)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1607078, _1607084]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1602436
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1602438, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([59, 0], [59, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], [";; Binary rule", 59, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Binary rule", 59, 0], [";; Binary rule", 59, 0])
   Call: (187) [system] compound_name_arguments(_1551372, '$COMMENT', [";; Binary rule", 59, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1631254))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1631254))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1631254)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1634054))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1634054)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), _1634054)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1545756))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1545756))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1545756)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1648012))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1648012)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), _1648012)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (178) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1726258747_317601, 111)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258758.8814332)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258758.8814332-1726258756.3628235
   Exit: (173) [system] 2.5186097621917725 is 1726258758.8814332-1726258756.3628235
   Call: (173) [system] 2.5186097621917725>4
   Fail: (173) [system] 2.5186097621917725>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 20)
   Call: (175) [system] atom(20+1)
   Call: (175) [system] set_flag(translated_forms, 21)
   Exit: (175) [system] set_flag(translated_forms, 21)
   Exit: (174) [$syspreds] update_flag(translated_forms, 20, 20+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 20, 20+1))
   Exit: (171) [$syspreds] flag(translated_forms, 20, 20+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1726258747_317601, 111)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Binary rule"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Binary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1726258747_317601, 111)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 20, 20+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Binary rule", 59, 0), ynthesize_long_1726258747_317601, 111)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 112)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 112))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 112))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1722796)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1730218)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _1738556)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1741342=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _1743210, _1743212, _1743214, _1743216), read_sexpr((0x558d99e6bec0), _1743228), assertz(metta_file_comment(_1743210, _1743212, _1743214, _1743228, _1743216))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _1743210, _1743212, _1743214, _1743216)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_1743216))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_1743216))
   Exit: (181) [system] nonvar(position(_1743216))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4576, 113, 0, 4576)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), _1743210)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1753468)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), _1743210)
   Exit: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), 113)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), 113)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), _1743212)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1760902)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), _1743212)
   Exit: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), _1743214)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1768336)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), _1743214)
   Exit: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), 4576)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), 4576)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _1743228)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _1743228)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1778562)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _1792716)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _1743228)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1798286)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _1812440)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _1818010)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1819868)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _1834022)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _1818010)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1851664)
   Call: (185) [system] peek_char((0x558d99e6bec0), _1852598)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1851664=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1818010)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1861908, _1861910), once(user:catch(read_from_chars([=], _1818010), _1861884, fail)), '$restore_trace'(_1861908, _1861910))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1861908, _1861910))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1861884, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _1869408)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1871266)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _1879004)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1881708)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1896786)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1902356)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1904214)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1918368)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1902356)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1923938)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1938092)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1943662)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1945520)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1959674)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _1943662)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1977316)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1978250)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1982970, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1983902, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1991252)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1992186)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1996906, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1991252=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1977316=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1943662)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_2006162, _2006164), once(user:catch(read_from_chars([r, b], _1943662), _2006138, fail)), '$restore_trace'(_2006162, _2006164))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_2006162, _2006164))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _2006138, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _2013662)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _2015520)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2029674)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _2033464)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _2013662=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _1902356=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _2041758)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _2043616)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _2051354)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2054058)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _2069136)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _2074706)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _2076564)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _2090718)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _2074706)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _3384)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _17036)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _22606)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _24464)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _38618)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _22606)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _56260)
   Call: (189) [system] peek_char((0x558d99e6bec0), _57194)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _56260=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _22606)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_66504, _66506), once(user:catch(read_from_chars([:], _22606), _66480, fail)), '$restore_trace'(_66504, _66506))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_66504, _66506))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _66480, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _74004)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _75862)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _83600)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _86304)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _101382)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _106952)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _108810)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _122964)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _106952)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _140606)
   Call: (190) [system] peek_char((0x558d99e6bec0), _141540)
   Exit: (190) [system] peek_char((0x558d99e6bec0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_146260, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_147192, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x558d99e6bec0), o)
   Exit: (190) [system] get_char((0x558d99e6bec0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _154542)
   Call: (191) [system] peek_char((0x558d99e6bec0), _155476)
   Exit: (191) [system] peek_char((0x558d99e6bec0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_160196, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_161128, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x558d99e6bec0), n)
   Exit: (191) [system] get_char((0x558d99e6bec0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168478)
   Call: (192) [system] peek_char((0x558d99e6bec0), _169412)
   Exit: (192) [system] peek_char((0x558d99e6bec0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_174132, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_175064, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x558d99e6bec0), j)
   Exit: (192) [system] get_char((0x558d99e6bec0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182414)
   Call: (193) [system] peek_char((0x558d99e6bec0), _183348)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_188068, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_189000, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _196350)
   Call: (194) [system] peek_char((0x558d99e6bec0), _197284)
   Exit: (194) [system] peek_char((0x558d99e6bec0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_202004, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_202936, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x558d99e6bec0), n)
   Exit: (194) [system] get_char((0x558d99e6bec0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _210286)
   Call: (195) [system] peek_char((0x558d99e6bec0), _211220)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_215940, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_216872, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x558d99e6bec0), c)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _224222)
   Call: (196) [system] peek_char((0x558d99e6bec0), _225156)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_229876, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_230808, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _238158)
   Call: (197) [system] peek_char((0x558d99e6bec0), _239092)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_243812, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_244744, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _252094)
   Call: (198) [system] peek_char((0x558d99e6bec0), _253028)
   Exit: (198) [system] peek_char((0x558d99e6bec0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_257748, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_258680, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x558d99e6bec0), o)
   Exit: (198) [system] get_char((0x558d99e6bec0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _266030)
   Call: (199) [system] peek_char((0x558d99e6bec0), _266964)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_271684, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_272616, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _279966)
   Call: (200) [system] peek_char((0x558d99e6bec0), _280900)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_285620, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_286552, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _293902)
   Call: (201) [system] peek_char((0x558d99e6bec0), _294836)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_299556, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_300488, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307838)
   Call: (202) [system] peek_char((0x558d99e6bec0), _308772)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_313492, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_314424, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321774)
   Call: (203) [system] peek_char((0x558d99e6bec0), _322708)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_327428, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_328360, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335710)
   Call: (204) [system] peek_char((0x558d99e6bec0), _336644)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_341364, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_342296, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _349646)
   Call: (205) [system] peek_char((0x558d99e6bec0), _350580)
   Exit: (205) [system] peek_char((0x558d99e6bec0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_355300, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_356232, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x558d99e6bec0), d)
   Exit: (205) [system] get_char((0x558d99e6bec0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _363582)
   Call: (206) [system] peek_char((0x558d99e6bec0), _364516)
   Exit: (206) [system] peek_char((0x558d99e6bec0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_369236, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_370168, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x558d99e6bec0), u)
   Exit: (206) [system] get_char((0x558d99e6bec0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _377518)
   Call: (207) [system] peek_char((0x558d99e6bec0), _378452)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_383172, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_384104, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x558d99e6bec0), c)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _391454)
   Call: (208) [system] peek_char((0x558d99e6bec0), _392388)
   Exit: (208) [system] peek_char((0x558d99e6bec0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_397108, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_398040, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x558d99e6bec0), t)
   Exit: (208) [system] get_char((0x558d99e6bec0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _405390)
   Call: (209) [system] peek_char((0x558d99e6bec0), _406324)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_411044, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_411976, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _419326)
   Call: (210) [system] peek_char((0x558d99e6bec0), _420260)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_424980, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_425912, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _433262)
   Call: (211) [system] peek_char((0x558d99e6bec0), _434196)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_438916, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_439848, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _447198)
   Call: (212) [system] peek_char((0x558d99e6bec0), _448132)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _447198=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _433262=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (210) [system] _419326=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (209) [system] _405390=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (208) [system] _391454=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (207) [system] _377518=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (206) [system] _363582=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (205) [system] _349646=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (204) [system] _335710=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _321774=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _307838=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _293902=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _279966=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _266030=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _252094=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _238158=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _224222=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _210286=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _196350=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _182414=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _168478=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _154542=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _140606=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _106952)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_518910, _518912), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _106952), _518886, fail)), '$restore_trace'(_518910, _518912))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_518910, _518912))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _106952), _518886, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_106952)
   Fail: (190) [system] atomic(_106952)
   Call: (190) [system] atom_chars(_106952, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (190) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _528286)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _530144)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _537882)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _540586)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _555664)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _561234)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _563092)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _577246)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _561234)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _582816)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _596970)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _602540)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _604398)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _618552)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _602540)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _636194)
   Call: (193) [system] peek_char((0x558d99e6bec0), _637128)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_641848, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_642780, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _650130)
   Call: (194) [system] peek_char((0x558d99e6bec0), _651064)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _650130=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _636194=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _602540)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_663168, _663170), once(user:catch(read_from_chars([-, >], _602540), _663144, fail)), '$restore_trace'(_663168, _663170))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_663168, _663170))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _663144, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _670668)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _672526)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _680264)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _682968)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _698046)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _703616)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _705474)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _719628)
   Exit: (192) [system] get_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), $, _703616)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _737270)
   Call: (194) [system] peek_char((0x558d99e6bec0), _738204)
   Exit: (194) [system] peek_char((0x558d99e6bec0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_742924, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_743856, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x558d99e6bec0), p)
   Exit: (194) [system] get_char((0x558d99e6bec0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _751206)
   Call: (195) [system] peek_char((0x558d99e6bec0), _752140)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _751206=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _737270=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (193) [user] classify_and_convert_charseq($, [p], _703616)
   Call: (194) [system] atom_chars(_764218, ['_', p])
   Exit: (194) [system] atom_chars('_p', ['_', p])
^  Exit: (193) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _768882)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _770740)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _778478)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _781182)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _796260)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _801830)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _803688)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _817842)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _801830)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _835484)
   Call: (195) [system] peek_char((0x558d99e6bec0), _836418)
   Exit: (195) [system] peek_char((0x558d99e6bec0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_841138, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_842070, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x558d99e6bec0), q)
   Exit: (195) [system] get_char((0x558d99e6bec0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _849420)
   Call: (196) [system] peek_char((0x558d99e6bec0), _850354)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _849420=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _835484=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (194) [user] classify_and_convert_charseq($, [q], _801830)
   Call: (195) [system] atom_chars(_862432, ['_', q])
   Exit: (195) [system] atom_chars('_q', ['_', q])
^  Exit: (194) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _867096)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _868954)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _876692)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _879396)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _894474)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _900044)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _901902)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _916056)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _900044)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _921626)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'=(;)
   Fail: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Fail: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Fail: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Fail: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
   Fail: (197) [system] char_type('A', cntrl)
^  Fail: (196) [user] is_like_space('A')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _935780)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _941350)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _943208)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _957362)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _941350)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _975004)
   Call: (198) [system] peek_char((0x558d99e6bec0), _975938)
   Exit: (198) [system] peek_char((0x558d99e6bec0), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Fail: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_980658, v('(', ')', end_of_file), n)
   Fail: (199) [system] arg(_981590, v('(', ')', end_of_file), n)
^  Fail: (198) [user] is_delimiter(n)
   Call: (198) [system] ')'==n
   Fail: (198) [system] ')'==n
   Call: (198) [system] get_char((0x558d99e6bec0), n)
   Exit: (198) [system] get_char((0x558d99e6bec0), n)
   Call: (198) [system] n=(\)
   Fail: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _988940)
   Call: (199) [system] peek_char((0x558d99e6bec0), _989874)
   Exit: (199) [system] peek_char((0x558d99e6bec0), d)
^  Call: (199) [user] is_delimiter(d)
   Call: (200) [system] char_type(d, space)
   Fail: (200) [system] char_type(d, space)
   Call: (200) [system] arg(_994594, v('(', ')', end_of_file), d)
   Fail: (200) [system] arg(_995526, v('(', ')', end_of_file), d)
^  Fail: (199) [user] is_delimiter(d)
   Call: (199) [system] ')'==d
   Fail: (199) [system] ')'==d
   Call: (199) [system] get_char((0x558d99e6bec0), d)
   Exit: (199) [system] get_char((0x558d99e6bec0), d)
   Call: (199) [system] d=(\)
   Fail: (199) [system] d=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1002876)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1003810)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (200) [user] is_delimiter('L')
   Call: (201) [system] char_type('L', space)
   Fail: (201) [system] char_type('L', space)
   Call: (201) [system] arg(_1008530, v('(', ')', end_of_file), 'L')
   Fail: (201) [system] arg(_1009462, v('(', ')', end_of_file), 'L')
^  Fail: (200) [user] is_delimiter('L')
   Call: (200) [system] ')'=='L'
   Fail: (200) [system] ')'=='L'
   Call: (200) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'L')
   Call: (200) [system] 'L'=(\)
   Fail: (200) [system] 'L'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1016812)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1017746)
   Exit: (201) [system] peek_char((0x558d99e6bec0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1022466, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1023398, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x558d99e6bec0), i)
   Exit: (201) [system] get_char((0x558d99e6bec0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1030748)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1031682)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1036402, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1037334, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1044684)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1045618)
   Exit: (203) [system] peek_char((0x558d99e6bec0), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Fail: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1050338, v('(', ')', end_of_file), k)
   Fail: (204) [system] arg(_1051270, v('(', ')', end_of_file), k)
^  Fail: (203) [user] is_delimiter(k)
   Call: (203) [system] ')'==k
   Fail: (203) [system] ')'==k
   Call: (203) [system] get_char((0x558d99e6bec0), k)
   Exit: (203) [system] get_char((0x558d99e6bec0), k)
   Call: (203) [system] k=(\)
   Fail: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1058620)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1059554)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1058620=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1044684=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (202) [system] _1030748=[n, k]
   Exit: (202) [system] [n, k]=[n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (201) [system] _1016812=[i, n, k]
   Exit: (201) [system] [i, n, k]=[i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (200) [system] _1002876=['L', i, n, k]
   Exit: (200) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (199) [system] _988940=[d, 'L', i, n, k]
   Exit: (199) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (198) [system] _975004=[n, d, 'L', i, n, k]
   Exit: (198) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _941350)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1085628, _1085630), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _941350), _1085604, fail)), '$restore_trace'(_1085628, _1085630))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1085628, _1085630))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _941350), _1085604, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_941350)
   Fail: (198) [system] atomic(_941350)
   Call: (198) [system] atom_chars(_941350, ['A', n, d, 'L', i, n, k])
   Exit: (198) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1095004)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1096862)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1104600)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1107304)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1122382)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1127952)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1129810)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1143964)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _1127952)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1161606)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1162540)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1167260, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_1168192, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1175542)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1176476)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1175542=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1161606=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (198) [user] classify_and_convert_charseq($, [p], _1127952)
   Call: (199) [system] atom_chars(_1188554, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1193218)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1195076)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1202814)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1205518)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1220596)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1226166)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1228024)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1242178)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _1226166)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1259820)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1260754)
   Exit: (200) [system] peek_char((0x558d99e6bec0), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1265474, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_1266406, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x558d99e6bec0), q)
   Exit: (200) [system] get_char((0x558d99e6bec0), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1273756)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1274690)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1279410, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1273756=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1259820=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (199) [user] classify_and_convert_charseq($, [q], _1226166)
   Call: (200) [system] atom_chars(_1288640, ['_', q])
   Exit: (200) [system] atom_chars('_q', ['_', q])
^  Exit: (199) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1293304)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1295162)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1309316)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1313106)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1293304=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1193218=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (196) [system] _1095004=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (195) [system] _900044=['AndLink', _p, _q]
   Exit: (195) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['AndLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1326988)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1328846)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1343000)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1346790)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1326988=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _867096=[['AndLink', _p, _q]]
   Exit: (193) [system] [['AndLink', _p, _q]]=[['AndLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [['AndLink', _p, _q]])
   Call: (192) [system] _768882=[_q, ['AndLink', _p, _q]]
   Exit: (192) [system] [_q, ['AndLink', _p, _q]]=[_q, ['AndLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_q, ['AndLink', _p, _q]])
   Call: (191) [system] _670668=[_p, _q, ['AndLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['AndLink', _p, _q]]=[_p, _q, ['AndLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [_p, _q, ['AndLink', _p, _q]])
   Call: (190) [system] _561234=[->, _p, _q, ['AndLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['AndLink', _p, _q]]=[->, _p, _q, ['AndLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, _p, _q, ['AndLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _p, _q, ['AndLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1363466)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1365324)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1379478)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1383268)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1363466=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _528286=[[->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['AndLink', _p, _q]]]=[[->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, _p, _q, ['AndLink', _p, _q]]])
   Call: (187) [system] _74004=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (187) [system] ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
   Call: (186) [system] _3378=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (186) [system] [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1397150)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1399008)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1413162)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1416952)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1397150=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]), assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1435470, _1435472, _1435474, _1435476, _1435478))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1438770))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1438770)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1438770)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1441586))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1441586))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1441586)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1444386))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1444386)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1444386)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1454608)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1454608)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1454608)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==[_1461124, _1461130]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1444386)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1444386, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1466704)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1470412, =)
   Call: (191) [system] atom_concat($, _1470412, =)
   Fail: (191) [system] atom_concat($, _1470412, =)
^  Fail: (190) [user] symbol_concat($, _1470412, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1476000, _1476006]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1466706, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1485268)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1493612)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1493612)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1493612)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1493612)
   Call: (195) [lists] lists:last_([], ['S', _k], _1493612)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1503856, _1503862]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1485268)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1485268, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1509436)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1513144, synthesize)
   Call: (195) [system] atom_concat($, _1513144, synthesize)
   Fail: (195) [system] atom_concat($, _1513144, synthesize)
^  Fail: (194) [user] symbol_concat($, _1513144, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1518732, _1518738]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1509438, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1528000)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1532642, _1532648]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1537276, _1537278)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1542870))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1542870))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1542870)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1545670))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1545670)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1545670)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1438770))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1438770))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1438770)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1559628))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1559628)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1559628)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 112)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258759.1400154)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258759.1400154-1726258756.3628235
   Exit: (173) [system] 2.7771918773651123 is 1726258759.1400154-1726258756.3628235
   Call: (173) [system] 2.7771918773651123>4
   Fail: (173) [system] 2.7771918773651123>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 21)
   Call: (175) [system] atom(21+1)
   Call: (175) [system] set_flag(translated_forms, 22)
   Exit: (175) [system] set_flag(translated_forms, 22)
   Exit: (174) [$syspreds] update_flag(translated_forms, 21, 21+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 21, 21+1))
   Exit: (171) [$syspreds] flag(translated_forms, 21, 21+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 112)
^  Call: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, _1611098, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1611100)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1611100)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1615750)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1615750
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1615752)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1623168)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1630580)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1630580, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1632460)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1632460
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1632462, user:s2t)
^  Call: (179) [user] s2t(_query, _1638034)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1638034)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1638036, user:s2t)
^  Call: (180) [user] s2t(_kb, _1647304)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1647304)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1647306, user:s2t)
^  Call: (181) [user] s2t(_rb, _1656574)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1656574)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1656576, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1665844)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1673256)
   Call: (184) [apply] apply:maplist_(['S', _k], _1673256, user:s2t)
^  Call: (185) [user] s2t('S', _1675136)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1675136
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1675138, user:s2t)
^  Call: (186) [user] s2t(_k, _1680710)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1680710)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1680712, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1665844, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1665846, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1623168, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1623170)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1709554)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1716966)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1716966, user:s2t)
^  Call: (179) [user] s2t('let*', _1718846)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1718846
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1718848, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1724420)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1731832)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1731832, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _1733712)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _1741124)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _1741124, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], _1743004)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], _1750416)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], _1750416, user:s2t)
^  Call: (189) [user] s2t(:, _1752296)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1752296
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], _1752298, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1757870)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1757870)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], _1757872, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _conclusion], _1767140)
   Call: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _conclusion], _1771776)
   Call: (193) [system] compound([_premise1, _premise2, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _conclusion])
^  Call: (193) [user] s2t(_premise1, _1774556)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1774556)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _conclusion], _1774558)
   Call: (194) [system] compound([_premise2, _conclusion])
   Exit: (194) [system] compound([_premise2, _conclusion])
^  Call: (194) [user] s2t(_premise2, _1785670)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1785670)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_conclusion], _1785672)
   Call: (195) [system] compound([_conclusion])
   Exit: (195) [system] compound([_conclusion])
^  Call: (195) [user] s2t(_conclusion, _1796784)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
   Call: (196) [system] is_list(_conclusion)
^  Call: (196) [user] s2tl(_conclusion, _1796784)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
^  Exit: (196) [user] s2tl(_conclusion, _conclusion)
^  Exit: (195) [user] s2t(_conclusion, _conclusion)
^  Call: (195) [user] s2tl([], _1796786)
   Call: (196) [system] compound([])
   Call: (196) [system] []=_1796786
   Exit: (196) [system] []=[]
^  Exit: (195) [user] s2tl([], [])
^  Exit: (194) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (193) [user] s2tl([_premise2, _conclusion], [_premise2, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _conclusion], [_premise1, _premise2, _conclusion])
   Call: (192) [system] _1767140=..[->, [_premise1, _premise2, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _conclusion])=..[->, [_premise1, _premise2, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _conclusion], ->([_premise1, _premise2, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1767142, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], [->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], [_ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1743004, t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1743006, user:s2t)
^  Call: (187) [user] s2t([_rb], _1824672)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1832084)
   Call: (189) [apply] apply:maplist_([_rb], _1832084, user:s2t)
^  Call: (190) [user] s2t(_rb, _1833964)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1833964)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1833966, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1824672, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1824674, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1733712, t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1733714, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _1857228)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], _1864640)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _1864640, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], _1866520)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2], _conclusion], _1873932)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], _1873932, user:s2t)
^  Call: (190) [user] s2t(:, _1875812)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1875812
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], _1875814, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2], _1881386)
   Call: (192) [system] compound([_ructor, _proof1, _proof2])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2], _1888798)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], _1888798, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1890678)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1890678)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2], _1890680, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1899948)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1899948)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2], _1899950, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1909218)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1909218)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([], _1909220, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2], [_proof2], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2], [_proof1, _proof2], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2])
   Call: (192) [system] compound_name_arguments(_1881386, t, [_ructor, _proof1, _proof2])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2), t, [_ructor, _proof1, _proof2])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2], t(_ructor, _proof1, _proof2))
   Call: (191) [apply] apply:maplist_([_conclusion], _1881388, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1926886)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1926886)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1926888, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], [t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion])
   Call: (188) [system] compound_name_arguments(_1866520, t, [:, t(_ructor, _proof1, _proof2), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2), _conclusion), t, [:, t(_ructor, _proof1, _proof2), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], t(:, t(_ructor, _proof1, _proof2), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1866522, user:s2t)
^  Call: (188) [user] s2t(_query, _1944554)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1944554)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1944556, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1857228, t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1857230, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1961288)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1968700)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1968700, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1970580)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1977992)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1977992, user:s2t)
^  Call: (191) [user] s2t(:, _1979872)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1979872
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1979874, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1985446)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1985446)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1985448, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1994716)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1994716)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1994718, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1970580, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1970582, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _2012384)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _2019796)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _2019796, user:s2t)
^  Call: (192) [user] s2t(synthesize, _2021676)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_2021676
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _2021678, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _2027250)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _2034662)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _2034662, user:s2t)
^  Call: (196) [user] s2t(:, _2036542)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_2036542
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _2036544, user:s2t)
^  Call: (197) [user] s2t(_proof1, _2042116)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _2042116)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _2042118, user:s2t)
^  Call: (198) [user] s2t(_premise1, _2051386)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _2051386)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _2051388, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_2027250, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _2027252, user:s2t)
^  Call: (194) [user] s2t(_kb, _2069054)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _2069054)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _2069056, user:s2t)
^  Call: (195) [user] s2t(_rb, _2078324)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _2078324)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _2078326, user:s2t)
^  Call: (196) [user] s2t(_k, _2087594)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _2087594)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _2087596, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_3944, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _3946, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_3916, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _3918, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _21678)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _29090)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _29090, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _30970)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _38382)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _38382, user:s2t)
^  Call: (192) [user] s2t(:, _40262)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_40262
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _40264, user:s2t)
^  Call: (193) [user] s2t(_proof2, _45836)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _45836)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _45838, user:s2t)
^  Call: (194) [user] s2t(_premise2, _55106)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _55106)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _55108, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_30970, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _30972, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _72774)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _80186)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _80186, user:s2t)
^  Call: (193) [user] s2t(synthesize, _82066)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_82066
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _82068, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _87640)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _95052)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _95052, user:s2t)
^  Call: (197) [user] s2t(:, _96932)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_96932
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _96934, user:s2t)
^  Call: (198) [user] s2t(_proof2, _102506)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _102506)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _102508, user:s2t)
^  Call: (199) [user] s2t(_premise2, _111776)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _111776)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _111778, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_87640, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _87642, user:s2t)
^  Call: (195) [user] s2t(_kb, _129444)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _129444)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _129446, user:s2t)
^  Call: (196) [user] s2t(_rb, _138714)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _138714)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _138716, user:s2t)
^  Call: (197) [user] s2t(_k, _147984)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _147984)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _147986, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_72774, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _72776, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_21678, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([], _21680, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_3828, t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _3830, user:s2t)
^  Call: (181) [user] s2t(_query, _184316)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _184316)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _184318, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_3808, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _3810)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_3810
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], _209406)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (173) [system] _209406=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (172) [system] _214968=..[ynthesize_long_1726258747_317601, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1726258747_317601(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))=..[ynthesize_long_1726258747_317601, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 112)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 21, 21+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 112)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 113)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 113))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 113))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _240160)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _247582)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _255920)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _258706=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _260574, _260576, _260578, _260580), read_sexpr((0x558d99e6bec0), _260592), assertz(metta_file_comment(_260574, _260576, _260578, _260592, _260580))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _260574, _260576, _260578, _260580)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_260580))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_260580))
   Exit: (181) [system] nonvar(position(_260580))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4640, 114, 0, 4640)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), _260574)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _270832)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), _260574)
   Exit: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), 114)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), 114)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), _260576)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _278266)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), _260576)
   Exit: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), _260578)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _285700)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), _260578)
   Exit: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), 4640)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), 4640)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _260592)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _260592)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _295926)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _310080)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _260592)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _315650)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _329804)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _335374)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _337232)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _351386)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _335374)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _369028)
   Call: (185) [system] peek_char((0x558d99e6bec0), _369962)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _369028=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _335374)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_379272, _379274), once(user:catch(read_from_chars([=], _335374), _379248, fail)), '$restore_trace'(_379272, _379274))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_379272, _379274))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _379248, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _386772)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _388630)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _396368)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _399072)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _414150)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _419720)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _421578)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _435732)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _419720)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _441302)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _455456)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _461026)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _462884)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _477038)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _461026)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494680)
   Call: (188) [system] peek_char((0x558d99e6bec0), _495614)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_500334, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_501266, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _508616)
   Call: (189) [system] peek_char((0x558d99e6bec0), _509550)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_514270, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _508616=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _494680=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _461026)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_523526, _523528), once(user:catch(read_from_chars([r, b], _461026), _523502, fail)), '$restore_trace'(_523526, _523528))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_523526, _523528))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _523502, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _531026)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _532884)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _547038)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _550828)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _531026=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _419720=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _559122)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _560980)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _568718)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _571422)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _586500)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _592070)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _593928)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _608082)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _592070)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _613652)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _627806)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _633376)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _635234)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _649388)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _633376)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _667030)
   Call: (189) [system] peek_char((0x558d99e6bec0), _667964)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _667030=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _633376)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_677274, _677276), once(user:catch(read_from_chars([:], _633376), _677250, fail)), '$restore_trace'(_677274, _677276))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_677274, _677276))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _677250, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _684774)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _686632)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _694370)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _697074)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _712152)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _717722)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _719580)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _733734)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _717722)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _751376)
   Call: (190) [system] peek_char((0x558d99e6bec0), _752310)
   Exit: (190) [system] peek_char((0x558d99e6bec0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_757030, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_757962, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x558d99e6bec0), o)
   Exit: (190) [system] get_char((0x558d99e6bec0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _765312)
   Call: (191) [system] peek_char((0x558d99e6bec0), _766246)
   Exit: (191) [system] peek_char((0x558d99e6bec0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_770966, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_771898, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x558d99e6bec0), n)
   Exit: (191) [system] get_char((0x558d99e6bec0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _779248)
   Call: (192) [system] peek_char((0x558d99e6bec0), _780182)
   Exit: (192) [system] peek_char((0x558d99e6bec0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_784902, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_785834, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x558d99e6bec0), j)
   Exit: (192) [system] get_char((0x558d99e6bec0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _793184)
   Call: (193) [system] peek_char((0x558d99e6bec0), _794118)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_798838, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_799770, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _807120)
   Call: (194) [system] peek_char((0x558d99e6bec0), _808054)
   Exit: (194) [system] peek_char((0x558d99e6bec0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_812774, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_813706, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x558d99e6bec0), n)
   Exit: (194) [system] get_char((0x558d99e6bec0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _821056)
   Call: (195) [system] peek_char((0x558d99e6bec0), _821990)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_826710, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_827642, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x558d99e6bec0), c)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _834992)
   Call: (196) [system] peek_char((0x558d99e6bec0), _835926)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_840646, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_841578, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _848928)
   Call: (197) [system] peek_char((0x558d99e6bec0), _849862)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_854582, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_855514, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _862864)
   Call: (198) [system] peek_char((0x558d99e6bec0), _863798)
   Exit: (198) [system] peek_char((0x558d99e6bec0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_868518, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_869450, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x558d99e6bec0), o)
   Exit: (198) [system] get_char((0x558d99e6bec0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _876800)
   Call: (199) [system] peek_char((0x558d99e6bec0), _877734)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_882454, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_883386, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _890736)
   Call: (200) [system] peek_char((0x558d99e6bec0), _891670)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_896390, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_897322, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x558d99e6bec0), 'E')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _904672)
   Call: (201) [system] peek_char((0x558d99e6bec0), _905606)
   Exit: (201) [system] peek_char((0x558d99e6bec0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_910326, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_911258, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x558d99e6bec0), l)
   Exit: (201) [system] get_char((0x558d99e6bec0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _918608)
   Call: (202) [system] peek_char((0x558d99e6bec0), _919542)
   Exit: (202) [system] peek_char((0x558d99e6bec0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_924262, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_925194, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x558d99e6bec0), i)
   Exit: (202) [system] get_char((0x558d99e6bec0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _932544)
   Call: (203) [system] peek_char((0x558d99e6bec0), _933478)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_938198, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_939130, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _946480)
   Call: (204) [system] peek_char((0x558d99e6bec0), _947414)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_952134, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_953066, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _960416)
   Call: (205) [system] peek_char((0x558d99e6bec0), _961350)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_966070, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_967002, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _974352)
   Call: (206) [system] peek_char((0x558d99e6bec0), _975286)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_980006, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_980938, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x558d99e6bec0), a)
   Exit: (206) [system] get_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _988288)
   Call: (207) [system] peek_char((0x558d99e6bec0), _989222)
   Exit: (207) [system] peek_char((0x558d99e6bec0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_993942, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_994874, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x558d99e6bec0), t)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1002224)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1003158)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1007878, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1008810, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1016160)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1017094)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1021814, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1022746, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1030096)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1031030)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1035750, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1036682, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1044032)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1044966)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1049686, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1050618, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1057968)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1058902)
   Exit: (212) [system] peek_char((0x558d99e6bec0), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Fail: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_1063622, v('(', ')', end_of_file), e)
   Fail: (213) [system] arg(_1064554, v('(', ')', end_of_file), e)
^  Fail: (212) [user] is_delimiter(e)
   Call: (212) [system] ')'==e
   Fail: (212) [system] ')'==e
   Call: (212) [system] get_char((0x558d99e6bec0), e)
   Exit: (212) [system] get_char((0x558d99e6bec0), e)
   Call: (212) [system] e=(\)
   Fail: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1071904)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1072838)
   Exit: (213) [system] peek_char((0x558d99e6bec0), f)
^  Call: (213) [user] is_delimiter(f)
   Call: (214) [system] char_type(f, space)
   Fail: (214) [system] char_type(f, space)
   Call: (214) [system] arg(_1077558, v('(', ')', end_of_file), f)
   Fail: (214) [system] arg(_1078490, v('(', ')', end_of_file), f)
^  Fail: (213) [user] is_delimiter(f)
   Call: (213) [system] ')'==f
   Fail: (213) [system] ')'==f
   Call: (213) [system] get_char((0x558d99e6bec0), f)
   Exit: (213) [system] get_char((0x558d99e6bec0), f)
   Call: (213) [system] f=(\)
   Fail: (213) [system] f=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1085840)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1086774)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1091494, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1092426, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1099776)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1100710)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1099776=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1085840=[t]
   Exit: (214) [system] [t]=[t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (213) [system] _1071904=[f, t]
   Exit: (213) [system] [f, t]=[f, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [f, t])
   Call: (212) [system] _1057968=[e, f, t]
   Exit: (212) [system] [e, f, t]=[e, f, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, f, t])
   Call: (211) [system] _1044032=['L', e, f, t]
   Exit: (211) [system] ['L', e, f, t]=['L', e, f, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', e, f, t])
   Call: (210) [system] _1030096=[n, 'L', e, f, t]
   Exit: (210) [system] [n, 'L', e, f, t]=[n, 'L', e, f, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'L', e, f, t])
   Call: (209) [system] _1016160=[o, n, 'L', e, f, t]
   Exit: (209) [system] [o, n, 'L', e, f, t]=[o, n, 'L', e, f, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'L', e, f, t])
   Call: (208) [system] _1002224=[i, o, n, 'L', e, f, t]
   Exit: (208) [system] [i, o, n, 'L', e, f, t]=[i, o, n, 'L', e, f, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'L', e, f, t])
   Call: (207) [system] _988288=[t, i, o, n, 'L', e, f, t]
   Exit: (207) [system] [t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'L', e, f, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'L', e, f, t])
   Call: (206) [system] _974352=[a, t, i, o, n, 'L', e, f, t]
   Exit: (206) [system] [a, t, i, o, n, 'L', e, f, t]=[a, t, i, o, n, 'L', e, f, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n, 'L', e, f, t])
   Call: (205) [system] _960416=[n, a, t, i, o, n, 'L', e, f, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'L', e, f, t]=[n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, a, t, i, o, n, 'L', e, f, t])
   Call: (204) [system] _946480=[i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'L', e, f, t]=[i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (203) [system] _932544=[m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'L', e, f, t]=[m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (202) [system] _918608=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (201) [system] _904672=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (200) [system] _890736=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (199) [system] _876800=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (198) [system] _862864=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (197) [system] _848928=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (196) [system] _834992=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (195) [system] _821056=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (194) [system] _807120=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (193) [system] _793184=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (192) [system] _779248=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (191) [system] _765312=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (190) [system] _751376=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Call: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _717722)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1179870, _1179872), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _717722), _1179846, fail)), '$restore_trace'(_1179870, _1179872))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1179870, _1179872))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _717722), _1179846, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_717722)
   Fail: (190) [system] atomic(_717722)
   Call: (190) [system] atom_chars(_717722, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Exit: (190) [system] atom_chars('ConjunctionEliminationLeft', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Exit: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionEliminationLeft')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionEliminationLeft')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1189246)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1191104)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1198842)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1201546)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1216624)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1222194)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1224052)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1238206)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1222194)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1243776)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1257930)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1263500)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1265358)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1279512)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _1263500)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1297154)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1298088)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1302808, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1303740, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1311090)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1312024)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1311090=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1297154=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _1263500)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1324128, _1324130), once(user:catch(read_from_chars([-, >], _1263500), _1324104, fail)), '$restore_trace'(_1324128, _1324130))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1324128, _1324130))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1324104, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1331628)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1333486)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1341224)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1343928)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1359006)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1364576)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1366434)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1380588)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1364576)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1386158)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1400312)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1405882)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1407740)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1421894)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1405882)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1439536)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1440470)
   Exit: (196) [system] peek_char((0x558d99e6bec0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_1445190, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_1446122, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x558d99e6bec0), n)
   Exit: (196) [system] get_char((0x558d99e6bec0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1453472)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1454406)
   Exit: (197) [system] peek_char((0x558d99e6bec0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1459126, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_1460058, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x558d99e6bec0), d)
   Exit: (197) [system] get_char((0x558d99e6bec0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1467408)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1468342)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_1473062, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_1473994, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1481344)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1482278)
   Exit: (199) [system] peek_char((0x558d99e6bec0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1486998, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1487930, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x558d99e6bec0), i)
   Exit: (199) [system] get_char((0x558d99e6bec0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1495280)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1496214)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1500934, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1501866, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1509216)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1510150)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1514870, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1515802, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1523152)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1524086)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1523152=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1509216=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (200) [system] _1495280=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (199) [system] _1481344=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (198) [system] _1467408=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (197) [system] _1453472=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (196) [system] _1439536=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1405882)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1550160, _1550162), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1405882), _1550136, fail)), '$restore_trace'(_1550160, _1550162))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1550160, _1550162))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1405882), _1550136, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1405882)
   Fail: (196) [system] atomic(_1405882)
   Call: (196) [system] atom_chars(_1405882, ['A', n, d, 'L', i, n, k])
   Exit: (196) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1559536)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1561394)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1569132)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1571836)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1586914)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1592484)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1594342)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1608496)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1592484)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1626138)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1627072)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1631792, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1632724, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1640074)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1641008)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1640074=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1626138=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1592484)
   Call: (197) [system] atom_chars(_1653086, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1657750)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1659608)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1667346)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1670050)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1685128)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1690698)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1692556)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1706710)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _1690698)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724352)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1725286)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1730006, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1730938, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738288)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1739222)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1743942, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1738288=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1724352=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1690698)
   Call: (198) [system] atom_chars(_1753172, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1757836)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1759694)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1773848)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1777638)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1757836=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1657750=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _1559536=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (193) [system] _1364576=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1791520)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1793378)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1801116)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1803820)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1818898)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1824468)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1826326)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1840480)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _1824468)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1858122)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1859056)
   Exit: (195) [system] peek_char((0x558d99e6bec0), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Fail: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1863776, v('(', ')', end_of_file), p)
   Fail: (196) [system] arg(_1864708, v('(', ')', end_of_file), p)
^  Fail: (195) [user] is_delimiter(p)
   Call: (195) [system] ')'==p
   Fail: (195) [system] ')'==p
   Call: (195) [system] get_char((0x558d99e6bec0), p)
   Exit: (195) [system] get_char((0x558d99e6bec0), p)
   Call: (195) [system] p=(\)
   Fail: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1872058)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1872992)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1877712, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1872058=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1858122=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (194) [user] classify_and_convert_charseq($, [p], _1824468)
   Call: (195) [system] atom_chars(_1886942, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1891606)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1893464)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1907618)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1911408)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1891606=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1791520=[_p]
   Exit: (192) [system] [_p]=[_p]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_p])
   Call: (191) [system] _1331628=[['AndLink', _p, _q], _p]
   Exit: (191) [system] [['AndLink', _p, _q], _p]=[['AndLink', _p, _q], _p]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['AndLink', _p, _q], _p])
   Call: (190) [system] _1222194=[->, ['AndLink', _p, _q], _p]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _p]=[->, ['AndLink', _p, _q], _p]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, ['AndLink', _p, _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, ['AndLink', _p, _q], _p])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1925290)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1927148)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1941302)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1945092)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1925290=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1189246=[[->, ['AndLink', _p, _q], _p]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _p]]=[[->, ['AndLink', _p, _q], _p]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, ['AndLink', _p, _q], _p]])
   Call: (187) [system] _684774=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (187) [system] ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
   Call: (186) [system] _592070=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (186) [system] [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1958974)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1960832)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1974986)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1978776)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1958974=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _559122=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (183) [system] _386772=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (182) [system] _260592=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]), assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1997294, _1997296, _1997298, _1997300, _1997302))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _2000130))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _2000130)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), _2000130)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _2002946))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _2002946))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _2002946)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _2005746))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _2005746)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), _2005746)
   Call: (187) [system] var('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] atom('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==true
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==false
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==[_2012266, _2012272]
   Call: (187) [system] is_list('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] string('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), _2016900, _2016902)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Trinary rule", 66, 0], _2020642)
   Call: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], _2020642, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Trinary rule", _2022522)
   Call: (190) [system] var(";; Trinary rule")
   Call: (190) [system] atom(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"==true
   Call: (190) [system] ";; Trinary rule"==false
   Call: (190) [system] ";; Trinary rule"==[_2027164, _2027170]
   Call: (190) [system] is_list(";; Trinary rule")
   Call: (190) [system] string(";; Trinary rule")
   Exit: (190) [system] string(";; Trinary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Trinary rule")
^  Call: (190) [user] symbol(";; Trinary rule")
   Call: (191) [system] atom(";; Trinary rule")
   Fail: (191) [system] atom(";; Trinary rule")
^  Fail: (190) [user] symbol(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"=_2022522
   Exit: (190) [system] ";; Trinary rule"=";; Trinary rule"
^  Exit: (189) [user] mfix_vars1(";; Trinary rule", ";; Trinary rule")
   Call: (189) [apply] apply:maplist_([66, 0], _2022524, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(66, _2041044)
   Call: (191) [system] var(66)
   Call: (191) [system] atom(66)
   Call: (191) [system] 66==true
   Call: (191) [system] 66==false
   Call: (191) [system] 66==[_2045686, _2045692]
   Call: (191) [system] is_list(66)
   Call: (191) [system] string(66)
   Call: (191) [system] compound(66)
^  Call: (191) [user] symbol(66)
   Call: (192) [system] atom(66)
   Fail: (192) [system] atom(66)
^  Fail: (191) [user] symbol(66)
   Call: (191) [system] 66=_2041044
   Exit: (191) [system] 66=66
^  Exit: (190) [user] mfix_vars1(66, 66)
   Call: (190) [apply] apply:maplist_([0], _2041046, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2056810)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2061452, _2061458]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2056810
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2056812, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([66, 0], [66, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0])
   Call: (187) [system] compound_name_arguments(_2005746, '$COMMENT', [";; Trinary rule", 66, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _2085628))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _2085628))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _2085628)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _2088428))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _2088428)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), _2088428)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _3328))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _3328))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _3328)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _8890))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _8890)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), _8890)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (178) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1726258747_317601, 113)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258759.4700878)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258759.4700878-1726258756.3628235
   Exit: (173) [system] 3.107264280319214 is 1726258759.4700878-1726258756.3628235
   Call: (173) [system] 3.107264280319214>4
   Fail: (173) [system] 3.107264280319214>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 22)
   Call: (175) [system] atom(22+1)
   Call: (175) [system] set_flag(translated_forms, 23)
   Exit: (175) [system] set_flag(translated_forms, 23)
   Exit: (174) [$syspreds] update_flag(translated_forms, 22, 22+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 22, 22+1))
   Exit: (171) [$syspreds] flag(translated_forms, 22, 22+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1726258747_317601, 113)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1726258747_317601, 113)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 22, 22+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Trinary rule", 66, 0), ynthesize_long_1726258747_317601, 113)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 114)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 114))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 114))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _83674)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _91096)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _99434)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _102220=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _104088, _104090, _104092, _104094), read_sexpr((0x558d99e6bec0), _104106), assertz(metta_file_comment(_104088, _104090, _104092, _104106, _104094))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _104088, _104090, _104092, _104094)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_104094))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_104094))
   Exit: (181) [system] nonvar(position(_104094))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4704, 115, 0, 4704)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), _104088)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _114346)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), _104088)
   Exit: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), 115)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), 115)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), _104090)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _121780)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), _104090)
   Exit: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), _104092)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _129214)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), _104092)
   Exit: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), 4704)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), 4704)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _104106)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _104106)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _139440)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _153594)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _104106)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _159164)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _173318)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _178888)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _180746)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _194900)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _178888)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212542)
   Call: (185) [system] peek_char((0x558d99e6bec0), _213476)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _212542=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _178888)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_222786, _222788), once(user:catch(read_from_chars([=], _178888), _222762, fail)), '$restore_trace'(_222786, _222788))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_222786, _222788))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _222762, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _230286)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _232144)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _239882)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _242586)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _257664)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _263234)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _265092)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _279246)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _263234)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _284816)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _298970)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _304540)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _306398)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _320552)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _304540)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338194)
   Call: (188) [system] peek_char((0x558d99e6bec0), _339128)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_343848, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_344780, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352130)
   Call: (189) [system] peek_char((0x558d99e6bec0), _353064)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_357784, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _352130=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _338194=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _304540)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_367040, _367042), once(user:catch(read_from_chars([r, b], _304540), _367016, fail)), '$restore_trace'(_367040, _367042))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_367040, _367042))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _367016, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _374540)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _376398)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _390552)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _394342)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _374540=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _263234=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _402636)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _404494)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _412232)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _414936)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _430014)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _435584)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _437442)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _451596)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _435584)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _457166)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _471320)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _476890)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _478748)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _492902)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _476890)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _510544)
   Call: (189) [system] peek_char((0x558d99e6bec0), _511478)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _510544=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _476890)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_520788, _520790), once(user:catch(read_from_chars([:], _476890), _520764, fail)), '$restore_trace'(_520788, _520790))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_520788, _520790))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _520764, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _528288)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _530146)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _537884)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _540588)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _555666)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (187) [system] 'C'=')'
   Fail: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
   Fail: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _561236)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _563094)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (189) [system] 'C'=(;)
   Fail: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Fail: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Fail: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Fail: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
   Fail: (190) [system] char_type('C', cntrl)
^  Fail: (189) [user] is_like_space('C')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _577248)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'C')
   Call: (188) [system] 'C'='('
   Fail: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Fail: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Fail: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Fail: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Fail: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Fail: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Fail: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
   Fail: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _561236)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _594890)
   Call: (190) [system] peek_char((0x558d99e6bec0), _595824)
   Exit: (190) [system] peek_char((0x558d99e6bec0), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Fail: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_600544, v('(', ')', end_of_file), o)
   Fail: (191) [system] arg(_601476, v('(', ')', end_of_file), o)
^  Fail: (190) [user] is_delimiter(o)
   Call: (190) [system] ')'==o
   Fail: (190) [system] ')'==o
   Call: (190) [system] get_char((0x558d99e6bec0), o)
   Exit: (190) [system] get_char((0x558d99e6bec0), o)
   Call: (190) [system] o=(\)
   Fail: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _608826)
   Call: (191) [system] peek_char((0x558d99e6bec0), _609760)
   Exit: (191) [system] peek_char((0x558d99e6bec0), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Fail: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_614480, v('(', ')', end_of_file), n)
   Fail: (192) [system] arg(_615412, v('(', ')', end_of_file), n)
^  Fail: (191) [user] is_delimiter(n)
   Call: (191) [system] ')'==n
   Fail: (191) [system] ')'==n
   Call: (191) [system] get_char((0x558d99e6bec0), n)
   Exit: (191) [system] get_char((0x558d99e6bec0), n)
   Call: (191) [system] n=(\)
   Fail: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _622762)
   Call: (192) [system] peek_char((0x558d99e6bec0), _623696)
   Exit: (192) [system] peek_char((0x558d99e6bec0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_628416, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_629348, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x558d99e6bec0), j)
   Exit: (192) [system] get_char((0x558d99e6bec0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _636698)
   Call: (193) [system] peek_char((0x558d99e6bec0), _637632)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_642352, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_643284, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _650634)
   Call: (194) [system] peek_char((0x558d99e6bec0), _651568)
   Exit: (194) [system] peek_char((0x558d99e6bec0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_656288, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_657220, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x558d99e6bec0), n)
   Exit: (194) [system] get_char((0x558d99e6bec0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _664570)
   Call: (195) [system] peek_char((0x558d99e6bec0), _665504)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_670224, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_671156, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x558d99e6bec0), c)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _678506)
   Call: (196) [system] peek_char((0x558d99e6bec0), _679440)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_684160, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_685092, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692442)
   Call: (197) [system] peek_char((0x558d99e6bec0), _693376)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_698096, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_699028, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _706378)
   Call: (198) [system] peek_char((0x558d99e6bec0), _707312)
   Exit: (198) [system] peek_char((0x558d99e6bec0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_712032, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_712964, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x558d99e6bec0), o)
   Exit: (198) [system] get_char((0x558d99e6bec0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _720314)
   Call: (199) [system] peek_char((0x558d99e6bec0), _721248)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_725968, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_726900, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _734250)
   Call: (200) [system] peek_char((0x558d99e6bec0), _735184)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_739904, v('(', ')', end_of_file), 'E')
   Fail: (201) [system] arg(_740836, v('(', ')', end_of_file), 'E')
^  Fail: (200) [user] is_delimiter('E')
   Call: (200) [system] ')'=='E'
   Fail: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x558d99e6bec0), 'E')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'=(\)
   Fail: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _748186)
   Call: (201) [system] peek_char((0x558d99e6bec0), _749120)
   Exit: (201) [system] peek_char((0x558d99e6bec0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_753840, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_754772, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x558d99e6bec0), l)
   Exit: (201) [system] get_char((0x558d99e6bec0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _762122)
   Call: (202) [system] peek_char((0x558d99e6bec0), _763056)
   Exit: (202) [system] peek_char((0x558d99e6bec0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_767776, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_768708, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x558d99e6bec0), i)
   Exit: (202) [system] get_char((0x558d99e6bec0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _776058)
   Call: (203) [system] peek_char((0x558d99e6bec0), _776992)
   Exit: (203) [system] peek_char((0x558d99e6bec0), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Fail: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_781712, v('(', ')', end_of_file), m)
   Fail: (204) [system] arg(_782644, v('(', ')', end_of_file), m)
^  Fail: (203) [user] is_delimiter(m)
   Call: (203) [system] ')'==m
   Fail: (203) [system] ')'==m
   Call: (203) [system] get_char((0x558d99e6bec0), m)
   Exit: (203) [system] get_char((0x558d99e6bec0), m)
   Call: (203) [system] m=(\)
   Fail: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _789994)
   Call: (204) [system] peek_char((0x558d99e6bec0), _790928)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_795648, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_796580, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _803930)
   Call: (205) [system] peek_char((0x558d99e6bec0), _804864)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_809584, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_810516, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _817866)
   Call: (206) [system] peek_char((0x558d99e6bec0), _818800)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_823520, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_824452, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x558d99e6bec0), a)
   Exit: (206) [system] get_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _831802)
   Call: (207) [system] peek_char((0x558d99e6bec0), _832736)
   Exit: (207) [system] peek_char((0x558d99e6bec0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_837456, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_838388, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x558d99e6bec0), t)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _845738)
   Call: (208) [system] peek_char((0x558d99e6bec0), _846672)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_851392, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_852324, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _859674)
   Call: (209) [system] peek_char((0x558d99e6bec0), _860608)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_865328, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_866260, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _873610)
   Call: (210) [system] peek_char((0x558d99e6bec0), _874544)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_879264, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_880196, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _887546)
   Call: (211) [system] peek_char((0x558d99e6bec0), _888480)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'R')
^  Call: (211) [user] is_delimiter('R')
   Call: (212) [system] char_type('R', space)
   Fail: (212) [system] char_type('R', space)
   Call: (212) [system] arg(_893200, v('(', ')', end_of_file), 'R')
   Fail: (212) [system] arg(_894132, v('(', ')', end_of_file), 'R')
^  Fail: (211) [user] is_delimiter('R')
   Call: (211) [system] ')'=='R'
   Fail: (211) [system] ')'=='R'
   Call: (211) [system] get_char((0x558d99e6bec0), 'R')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'R')
   Call: (211) [system] 'R'=(\)
   Fail: (211) [system] 'R'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _901482)
   Call: (212) [system] peek_char((0x558d99e6bec0), _902416)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_907136, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_908068, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _915418)
   Call: (213) [system] peek_char((0x558d99e6bec0), _916352)
   Exit: (213) [system] peek_char((0x558d99e6bec0), g)
^  Call: (213) [user] is_delimiter(g)
   Call: (214) [system] char_type(g, space)
   Fail: (214) [system] char_type(g, space)
   Call: (214) [system] arg(_921072, v('(', ')', end_of_file), g)
   Fail: (214) [system] arg(_922004, v('(', ')', end_of_file), g)
^  Fail: (213) [user] is_delimiter(g)
   Call: (213) [system] ')'==g
   Fail: (213) [system] ')'==g
   Call: (213) [system] get_char((0x558d99e6bec0), g)
   Exit: (213) [system] get_char((0x558d99e6bec0), g)
   Call: (213) [system] g=(\)
   Fail: (213) [system] g=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _929354)
   Call: (214) [system] peek_char((0x558d99e6bec0), _930288)
   Exit: (214) [system] peek_char((0x558d99e6bec0), h)
^  Call: (214) [user] is_delimiter(h)
   Call: (215) [system] char_type(h, space)
   Fail: (215) [system] char_type(h, space)
   Call: (215) [system] arg(_935008, v('(', ')', end_of_file), h)
   Fail: (215) [system] arg(_935940, v('(', ')', end_of_file), h)
^  Fail: (214) [user] is_delimiter(h)
   Call: (214) [system] ')'==h
   Fail: (214) [system] ')'==h
   Call: (214) [system] get_char((0x558d99e6bec0), h)
   Exit: (214) [system] get_char((0x558d99e6bec0), h)
   Call: (214) [system] h=(\)
   Fail: (214) [system] h=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _943290)
   Call: (215) [system] peek_char((0x558d99e6bec0), _944224)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_948944, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_949876, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _957226)
   Call: (216) [system] peek_char((0x558d99e6bec0), _958160)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _957226=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _943290=[t]
   Exit: (215) [system] [t]=[t]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (214) [system] _929354=[h, t]
   Exit: (214) [system] [h, t]=[h, t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, t])
   Call: (213) [system] _915418=[g, h, t]
   Exit: (213) [system] [g, h, t]=[g, h, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [g, h, t])
   Call: (212) [system] _901482=[i, g, h, t]
   Exit: (212) [system] [i, g, h, t]=[i, g, h, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, g, h, t])
   Call: (211) [system] _887546=['R', i, g, h, t]
   Exit: (211) [system] ['R', i, g, h, t]=['R', i, g, h, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['R', i, g, h, t])
   Call: (210) [system] _873610=[n, 'R', i, g, h, t]
   Exit: (210) [system] [n, 'R', i, g, h, t]=[n, 'R', i, g, h, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'R', i, g, h, t])
   Call: (209) [system] _859674=[o, n, 'R', i, g, h, t]
   Exit: (209) [system] [o, n, 'R', i, g, h, t]=[o, n, 'R', i, g, h, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'R', i, g, h, t])
   Call: (208) [system] _845738=[i, o, n, 'R', i, g, h, t]
   Exit: (208) [system] [i, o, n, 'R', i, g, h, t]=[i, o, n, 'R', i, g, h, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'R', i, g, h, t])
   Call: (207) [system] _831802=[t, i, o, n, 'R', i, g, h, t]
   Exit: (207) [system] [t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'R', i, g, h, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'R', i, g, h, t])
   Call: (206) [system] _817866=[a, t, i, o, n, 'R', i, g, h, t]
   Exit: (206) [system] [a, t, i, o, n, 'R', i, g, h, t]=[a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n, 'R', i, g, h, t])
   Call: (205) [system] _803930=[n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'R', i, g, h, t]=[n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (204) [system] _789994=[i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (203) [system] _776058=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (202) [system] _762122=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (201) [system] _748186=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (200) [system] _734250=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (199) [system] _720314=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (198) [system] _706378=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (197) [system] _692442=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (196) [system] _678506=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (195) [system] _664570=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (194) [system] _650634=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (193) [system] _636698=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (192) [system] _622762=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (191) [system] _608826=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (190) [system] _594890=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Call: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _561236)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1040114, _1040116), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _561236), _1040090, fail)), '$restore_trace'(_1040114, _1040116))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1040114, _1040116))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _561236), _1040090, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_561236)
   Fail: (190) [system] atomic(_561236)
   Call: (190) [system] atom_chars(_561236, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Exit: (190) [system] atom_chars('ConjunctionEliminationRight', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Exit: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionEliminationRight')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionEliminationRight')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1049490)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1051348)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1059086)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1061790)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1076868)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1082438)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1084296)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1098450)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1082438)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1104020)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1118174)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1123744)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1125602)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1139756)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _1123744)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1157398)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1158332)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1163052, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1163984, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1171334)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1172268)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1171334=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1157398=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _1123744)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1184372, _1184374), once(user:catch(read_from_chars([-, >], _1123744), _1184348, fail)), '$restore_trace'(_1184372, _1184374))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1184372, _1184374))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1184348, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1191872)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1193730)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1201468)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1204172)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1219250)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1224820)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1226678)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1240832)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1224820)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1246402)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'=(;)
   Fail: (194) [system] 'A'=(;)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Fail: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Fail: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Fail: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
   Fail: (195) [system] char_type('A', cntrl)
^  Fail: (194) [user] is_like_space('A')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1260556)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1266126)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1267984)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1282138)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1266126)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1299780)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1300714)
   Exit: (196) [system] peek_char((0x558d99e6bec0), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Fail: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_1305434, v('(', ')', end_of_file), n)
   Fail: (197) [system] arg(_1306366, v('(', ')', end_of_file), n)
^  Fail: (196) [user] is_delimiter(n)
   Call: (196) [system] ')'==n
   Fail: (196) [system] ')'==n
   Call: (196) [system] get_char((0x558d99e6bec0), n)
   Exit: (196) [system] get_char((0x558d99e6bec0), n)
   Call: (196) [system] n=(\)
   Fail: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1313716)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1314650)
   Exit: (197) [system] peek_char((0x558d99e6bec0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1319370, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_1320302, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x558d99e6bec0), d)
   Exit: (197) [system] get_char((0x558d99e6bec0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1327652)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1328586)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Fail: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_1333306, v('(', ')', end_of_file), 'L')
   Fail: (199) [system] arg(_1334238, v('(', ')', end_of_file), 'L')
^  Fail: (198) [user] is_delimiter('L')
   Call: (198) [system] ')'=='L'
   Fail: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'L')
   Call: (198) [system] 'L'=(\)
   Fail: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1341588)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1342522)
   Exit: (199) [system] peek_char((0x558d99e6bec0), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Fail: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1347242, v('(', ')', end_of_file), i)
   Fail: (200) [system] arg(_1348174, v('(', ')', end_of_file), i)
^  Fail: (199) [user] is_delimiter(i)
   Call: (199) [system] ')'==i
   Fail: (199) [system] ')'==i
   Call: (199) [system] get_char((0x558d99e6bec0), i)
   Exit: (199) [system] get_char((0x558d99e6bec0), i)
   Call: (199) [system] i=(\)
   Fail: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1355524)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1356458)
   Exit: (200) [system] peek_char((0x558d99e6bec0), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Fail: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1361178, v('(', ')', end_of_file), n)
   Fail: (201) [system] arg(_1362110, v('(', ')', end_of_file), n)
^  Fail: (200) [user] is_delimiter(n)
   Call: (200) [system] ')'==n
   Fail: (200) [system] ')'==n
   Call: (200) [system] get_char((0x558d99e6bec0), n)
   Exit: (200) [system] get_char((0x558d99e6bec0), n)
   Call: (200) [system] n=(\)
   Fail: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1369460)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1370394)
   Exit: (201) [system] peek_char((0x558d99e6bec0), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Fail: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1375114, v('(', ')', end_of_file), k)
   Fail: (202) [system] arg(_1376046, v('(', ')', end_of_file), k)
^  Fail: (201) [user] is_delimiter(k)
   Call: (201) [system] ')'==k
   Fail: (201) [system] ')'==k
   Call: (201) [system] get_char((0x558d99e6bec0), k)
   Exit: (201) [system] get_char((0x558d99e6bec0), k)
   Call: (201) [system] k=(\)
   Fail: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1383396)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1384330)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1383396=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (201) [system] _1369460=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (200) [system] _1355524=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (199) [system] _1341588=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (198) [system] _1327652=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (197) [system] _1313716=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (196) [system] _1299780=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1266126)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1410404, _1410406), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1266126), _1410380, fail)), '$restore_trace'(_1410404, _1410406))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1410404, _1410406))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1266126), _1410380, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1266126)
   Fail: (196) [system] atomic(_1266126)
   Call: (196) [system] atom_chars(_1266126, ['A', n, d, 'L', i, n, k])
   Exit: (196) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1419780)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1421638)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1429376)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1432080)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1447158)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=')'
   Fail: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1452728)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1454586)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=(;)
   Fail: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Fail: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Fail: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Fail: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
   Fail: (197) [system] char_type($, cntrl)
^  Fail: (196) [user] is_like_space($)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1468740)
   Exit: (195) [system] get_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)='('
   Fail: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Fail: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Fail: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Fail: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Fail: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Fail: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Fail: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _1452728)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1486382)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1487316)
   Exit: (197) [system] peek_char((0x558d99e6bec0), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Fail: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1492036, v('(', ')', end_of_file), p)
   Fail: (198) [system] arg(_1492968, v('(', ')', end_of_file), p)
^  Fail: (197) [user] is_delimiter(p)
   Call: (197) [system] ')'==p
   Fail: (197) [system] ')'==p
   Call: (197) [system] get_char((0x558d99e6bec0), p)
   Exit: (197) [system] get_char((0x558d99e6bec0), p)
   Call: (197) [system] p=(\)
   Fail: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1500318)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1501252)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1500318=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1486382=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1452728)
   Call: (197) [system] atom_chars(_1513330, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1517994)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1519852)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1527590)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1530294)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1545372)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=')'
   Fail: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
   Fail: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1550942)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1552800)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=(;)
   Fail: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Fail: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Fail: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Fail: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
   Fail: (198) [system] char_type($, cntrl)
^  Fail: (197) [user] is_like_space($)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1566954)
   Exit: (196) [system] get_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)='('
   Fail: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Fail: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Fail: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Fail: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Fail: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Fail: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Fail: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _1550942)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1584596)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1585530)
   Exit: (198) [system] peek_char((0x558d99e6bec0), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Fail: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1590250, v('(', ')', end_of_file), q)
   Fail: (199) [system] arg(_1591182, v('(', ')', end_of_file), q)
^  Fail: (198) [user] is_delimiter(q)
   Call: (198) [system] ')'==q
   Fail: (198) [system] ')'==q
   Call: (198) [system] get_char((0x558d99e6bec0), q)
   Exit: (198) [system] get_char((0x558d99e6bec0), q)
   Call: (198) [system] q=(\)
   Fail: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1598532)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1599466)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1604186, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1598532=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1584596=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1550942)
   Call: (198) [system] atom_chars(_1613416, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1618080)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1619938)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1634092)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1637882)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1618080=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1517994=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (194) [system] _1419780=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (193) [system] _1224820=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1651764)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1653622)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1661360)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1664064)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1679142)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1684712)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1686570)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1700724)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _1684712)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1718366)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1719300)
   Exit: (195) [system] peek_char((0x558d99e6bec0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_1724020, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_1724952, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x558d99e6bec0), q)
   Exit: (195) [system] get_char((0x558d99e6bec0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1732302)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1733236)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1737956, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1732302=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _1718366=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (194) [user] classify_and_convert_charseq($, [q], _1684712)
   Call: (195) [system] atom_chars(_1747186, ['_', q])
   Exit: (195) [system] atom_chars('_q', ['_', q])
^  Exit: (194) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1751850)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1753708)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1767862)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1771652)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1751850=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _1651764=[_q]
   Exit: (192) [system] [_q]=[_q]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (191) [system] _1191872=[['AndLink', _p, _q], _q]
   Exit: (191) [system] [['AndLink', _p, _q], _q]=[['AndLink', _p, _q], _q]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [['AndLink', _p, _q], _q])
   Call: (190) [system] _1082438=[->, ['AndLink', _p, _q], _q]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _q]=[->, ['AndLink', _p, _q], _q]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, ['AndLink', _p, _q], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, ['AndLink', _p, _q], _q])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1785534)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1787392)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1801546)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _1805336)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _1785534=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1049490=[[->, ['AndLink', _p, _q], _q]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _q]]=[[->, ['AndLink', _p, _q], _q]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, ['AndLink', _p, _q], _q]])
   Call: (187) [system] _528288=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (187) [system] ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
   Call: (186) [system] _435584=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (186) [system] [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1819218)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1821076)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1835230)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _1839020)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _1819218=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _402636=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (183) [system] _230286=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (182) [system] _104106=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]), assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1857538, _1857540, _1857542, _1857544, _1857546))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1860970))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1860970)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1860970)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1863786))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1863786))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1863786)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1866586))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1866586)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1866586)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1876808)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1876808)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _1876808)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==[_1883324, _1883330]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1866586)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1866586, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1888904)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1892612, =)
   Call: (191) [system] atom_concat($, _1892612, =)
   Fail: (191) [system] atom_concat($, _1892612, =)
^  Fail: (190) [user] symbol_concat($, _1892612, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1898200, _1898206]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1888906, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1907468)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1915812)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1915812)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1915812)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1915812)
   Call: (195) [lists] lists:last_([], ['S', _k], _1915812)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1926056, _1926062]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1907468)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1907468, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1931636)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1935344, synthesize)
   Call: (195) [system] atom_concat($, _1935344, synthesize)
   Fail: (195) [system] atom_concat($, _1935344, synthesize)
^  Fail: (194) [user] symbol_concat($, _1935344, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1940932, _1940938]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1931638, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1950200)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1954842, _1954848]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1959476, _1959478)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1965070))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1965070))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1965070)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1967870))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1967870)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1967870)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1860970))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1860970))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1860970)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1981828))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1981828)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _1981828)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 114)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258759.7314727)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258759.7314727-1726258756.3628235
   Exit: (173) [system] 3.3686492443084717 is 1726258759.7314727-1726258756.3628235
   Call: (173) [system] 3.3686492443084717>4
   Fail: (173) [system] 3.3686492443084717>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 23)
   Call: (175) [system] atom(23+1)
   Call: (175) [system] set_flag(translated_forms, 24)
   Exit: (175) [system] set_flag(translated_forms, 24)
   Exit: (174) [$syspreds] update_flag(translated_forms, 23, 23+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 23, 23+1))
   Exit: (171) [$syspreds] flag(translated_forms, 23, 23+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 114)
^  Call: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, _2033298, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _2033300)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _2033300)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _2037950)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_2037950
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _2037952)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _2045368)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _2052780)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _2052780, user:s2t)
^  Call: (178) [user] s2t(synthesize, _2054660)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_2054660
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _2054662, user:s2t)
^  Call: (179) [user] s2t(_query, _2060234)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _2060234)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _2060236, user:s2t)
^  Call: (180) [user] s2t(_kb, _2069504)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _2069504)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _2069506, user:s2t)
^  Call: (181) [user] s2t(_rb, _2078774)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _2078774)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _2078776, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _2088044)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _2095456)
   Call: (184) [apply] apply:maplist_(['S', _k], _3958, user:s2t)
^  Call: (185) [user] s2t('S', _4556)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_4556
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _4558, user:s2t)
^  Call: (186) [user] s2t(_k, _10130)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _10130)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _10132, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_3954, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _3956, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_3916, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _3918)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _38974)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _46386)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _46386, user:s2t)
^  Call: (179) [user] s2t('let*', _48266)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_48266
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _48268, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _53840)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _61252)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _61252, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _63132)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _70544)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _70544, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _72424)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _79836)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _79836, user:s2t)
^  Call: (189) [user] s2t(:, _81716)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_81716
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _81718, user:s2t)
^  Call: (190) [user] s2t(_ructor, _87290)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _87290)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], _87292, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], _96560)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], _101196)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
^  Call: (193) [user] s2t(_premise1, _103976)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _103976)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _conclusion], _103978)
   Call: (194) [system] compound([_premise2, _premise3, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _conclusion])
^  Call: (194) [user] s2t(_premise2, _115090)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _115090)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _conclusion], _115092)
   Call: (195) [system] compound([_premise3, _conclusion])
   Exit: (195) [system] compound([_premise3, _conclusion])
^  Call: (195) [user] s2t(_premise3, _126204)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _126204)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_conclusion], _126206)
   Call: (196) [system] compound([_conclusion])
   Exit: (196) [system] compound([_conclusion])
^  Call: (196) [user] s2t(_conclusion, _137318)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
   Call: (197) [system] is_list(_conclusion)
^  Call: (197) [user] s2tl(_conclusion, _137318)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
^  Exit: (197) [user] s2tl(_conclusion, _conclusion)
^  Exit: (196) [user] s2t(_conclusion, _conclusion)
^  Call: (196) [user] s2tl([], _137320)
   Call: (197) [system] compound([])
   Call: (197) [system] []=_137320
   Exit: (197) [system] []=[]
^  Exit: (196) [user] s2tl([], [])
^  Exit: (195) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (194) [user] s2tl([_premise3, _conclusion], [_premise3, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _conclusion], [_premise2, _premise3, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], [_premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] _96560=..[->, [_premise1, _premise2, _premise3, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _conclusion])=..[->, [_premise1, _premise2, _premise3, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], ->([_premise1, _premise2, _premise3, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _96562, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], [->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Call: (187) [system] compound_name_arguments(_72424, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _72426, user:s2t)
^  Call: (187) [user] s2t([_rb], _166134)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _173546)
   Call: (189) [apply] apply:maplist_([_rb], _173546, user:s2t)
^  Call: (190) [user] s2t(_rb, _175426)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _175426)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _175428, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_166134, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _166136, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_63132, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _63134, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _198690)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _206102)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _206102, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _207982)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _215394)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _215394, user:s2t)
^  Call: (190) [user] s2t(:, _217274)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_217274
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], _217276, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], _222848)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3], _230260)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], _230260, user:s2t)
^  Call: (194) [user] s2t(_ructor, _232140)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _232140)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], _232142, user:s2t)
^  Call: (195) [user] s2t(_proof1, _241410)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _241410)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3], _241412, user:s2t)
^  Call: (196) [user] s2t(_proof2, _250680)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _250680)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3], _250682, user:s2t)
^  Call: (197) [user] s2t(_proof3, _259950)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _259950)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([], _259952, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3], [_proof3], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3], [_proof2, _proof3], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], [_proof1, _proof2, _proof3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] compound_name_arguments(_222848, t, [_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3), t, [_ructor, _proof1, _proof2, _proof3])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], t(_ructor, _proof1, _proof2, _proof3))
   Call: (191) [apply] apply:maplist_([_conclusion], _222850, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _278552)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _278552)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _278554, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], [t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Call: (188) [system] compound_name_arguments(_207982, t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _207984, user:s2t)
^  Call: (188) [user] s2t(_query, _296220)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _296220)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _296222, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_198690, t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _198692, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _312954)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _320366)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _320366, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _322246)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _329658)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _329658, user:s2t)
^  Call: (191) [user] s2t(:, _331538)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_331538
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _331540, user:s2t)
^  Call: (192) [user] s2t(_proof1, _337112)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _337112)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _337114, user:s2t)
^  Call: (193) [user] s2t(_premise1, _346382)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _346382)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _346384, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_322246, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _322248, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _364050)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _371462)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _371462, user:s2t)
^  Call: (192) [user] s2t(synthesize, _373342)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_373342
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _373344, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _378916)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _386328)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _386328, user:s2t)
^  Call: (196) [user] s2t(:, _388208)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_388208
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _388210, user:s2t)
^  Call: (197) [user] s2t(_proof1, _393782)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _393782)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _393784, user:s2t)
^  Call: (198) [user] s2t(_premise1, _403052)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _403052)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _403054, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_378916, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _378918, user:s2t)
^  Call: (194) [user] s2t(_kb, _420720)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _420720)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _420722, user:s2t)
^  Call: (195) [user] s2t(_rb, _429990)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _429990)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _429992, user:s2t)
^  Call: (196) [user] s2t(_k, _439260)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _439260)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _439262, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_364050, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _364052, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_312954, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _312956, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _466260)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _473672)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _473672, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _475552)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _482964)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _482964, user:s2t)
^  Call: (192) [user] s2t(:, _484844)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_484844
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _484846, user:s2t)
^  Call: (193) [user] s2t(_proof2, _490418)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _490418)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _490420, user:s2t)
^  Call: (194) [user] s2t(_premise2, _499688)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _499688)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _499690, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_475552, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _475554, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _517356)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _524768)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _524768, user:s2t)
^  Call: (193) [user] s2t(synthesize, _526648)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_526648
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _526650, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _532222)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _539634)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _539634, user:s2t)
^  Call: (197) [user] s2t(:, _541514)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_541514
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _541516, user:s2t)
^  Call: (198) [user] s2t(_proof2, _547088)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _547088)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _547090, user:s2t)
^  Call: (199) [user] s2t(_premise2, _556358)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _556358)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _556360, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_532222, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _532224, user:s2t)
^  Call: (195) [user] s2t(_kb, _574026)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _574026)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _574028, user:s2t)
^  Call: (196) [user] s2t(_rb, _583296)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _583296)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _583298, user:s2t)
^  Call: (197) [user] s2t(_k, _592566)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _592566)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _592568, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_517356, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _517358, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_466260, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _466262, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _619566)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _626978)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _626978, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _628858)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _636270)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _636270, user:s2t)
^  Call: (193) [user] s2t(:, _638150)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_638150
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _638152, user:s2t)
^  Call: (194) [user] s2t(_proof3, _643724)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _643724)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _643726, user:s2t)
^  Call: (195) [user] s2t(_premise3, _652994)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _652994)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _652996, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_628858, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _628860, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _670662)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _678074)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _678074, user:s2t)
^  Call: (194) [user] s2t(synthesize, _679954)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_679954
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _679956, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _685528)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _692940)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _692940, user:s2t)
^  Call: (198) [user] s2t(:, _694820)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_694820
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _694822, user:s2t)
^  Call: (199) [user] s2t(_proof3, _700394)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _700394)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _700396, user:s2t)
^  Call: (200) [user] s2t(_premise3, _709664)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _709664)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _709666, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_685528, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _685530, user:s2t)
^  Call: (196) [user] s2t(_kb, _727332)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _727332)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _727334, user:s2t)
^  Call: (197) [user] s2t(_rb, _736602)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _736602)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _736604, user:s2t)
^  Call: (198) [user] s2t(_k, _745872)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _745872)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _745874, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_670662, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _670664, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_619566, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([], _619568, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_53840, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _53842, user:s2t)
^  Call: (181) [user] s2t(_query, _783138)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _783138)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _783140, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_38974, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _38976)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_38976
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], _808228)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (173) [system] _808228=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (172) [system] _813790=..[ynthesize_long_1726258747_317601, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1726258747_317601(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))=..[ynthesize_long_1726258747_317601, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 114)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 23, 23+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 114)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 115)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 115))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 115))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _838982)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _846404)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (176) [system] string((0x558d99e6bec0))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (177) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (177) [system] peek_char((0x558d99e6bec0), _854742)
   Exit: (177) [system] peek_char((0x558d99e6bec0), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _857528=(0x558d99e6bec0)
   Exit: (177) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (177) [user] once((read_position((0x558d99e6bec0), _859396, _859398, _859400, _859402), read_sexpr((0x558d99e6bec0), _859414), assertz(metta_file_comment(_859396, _859398, _859400, _859414, _859402))))
^  Call: (179) [user] read_position((0x558d99e6bec0), _859396, _859398, _859400, _859402)
   Call: (180) [system] stream_property((0x558d99e6bec0), position(_859402))
   Call: (181) [system] nonvar((0x558d99e6bec0))
   Exit: (181) [system] nonvar((0x558d99e6bec0))
   Call: (181) [system] nonvar(position(_859402))
   Exit: (181) [system] nonvar(position(_859402))
   Exit: (180) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4769, 116, 0, 4769)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), _859396)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _869654)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), _859396)
   Exit: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), 116)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), 116)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), _859398)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _877088)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), _859398)
   Exit: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), _859400)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _884522)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), _859400)
   Exit: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), 4769)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), 4769)
^  Exit: (179) [user] read_position((0x558d99e6bec0), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769))
^  Call: (179) [user] read_sexpr((0x558d99e6bec0), _859414)
   Call: (180) [system] string((0x558d99e6bec0))
   Fail: (180) [system] string((0x558d99e6bec0))
^  Call: (180) [user] cont_sexpr(')', (0x558d99e6bec0), _859414)
^  Call: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _894748)
   Exit: (182) [system] peek_char((0x558d99e6bec0), '(')
   Call: (182) [system] '('=(;)
   Fail: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Fail: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Fail: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Fail: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
   Fail: (183) [system] char_type('(', cntrl)
^  Fail: (182) [user] is_like_space('(')
^  Exit: (181) [user] skip_spaces((0x558d99e6bec0))
   Call: (181) [system] get_char((0x558d99e6bec0), _908902)
   Exit: (181) [system] get_char((0x558d99e6bec0), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x558d99e6bec0), _859414)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _914472)
   Exit: (183) [system] peek_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)=(;)
   Fail: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Fail: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Fail: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Fail: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
   Fail: (184) [system] char_type(=, cntrl)
^  Fail: (183) [user] is_like_space(=)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] peek_char((0x558d99e6bec0), _928626)
   Exit: (182) [system] peek_char((0x558d99e6bec0), =)
   Call: (182) [system] (=)=')'
   Fail: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
   Fail: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x558d99e6bec0), _934196)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _936054)
   Exit: (184) [system] peek_char((0x558d99e6bec0), =)
   Call: (184) [system] (=)=(;)
   Fail: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Fail: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Fail: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Fail: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
   Fail: (185) [system] char_type(=, cntrl)
^  Fail: (184) [user] is_like_space(=)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] get_char((0x558d99e6bec0), _950208)
   Exit: (183) [system] get_char((0x558d99e6bec0), =)
   Call: (183) [system] (=)='('
   Fail: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Fail: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Fail: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Fail: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Fail: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Fail: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Fail: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
   Fail: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, _934196)
^  Call: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), _967850)
   Call: (185) [system] peek_char((0x558d99e6bec0), _968784)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _967850=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _934196)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_978094, _978096), once(user:catch(read_from_chars([=], _934196), _978070, fail)), '$restore_trace'(_978094, _978096))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_978094, _978096))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _978070, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x558d99e6bec0), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x558d99e6bec0), =)
^  Call: (182) [user] read_list(')', (0x558d99e6bec0), _985594)
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _987452)
   Exit: (184) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (184) [system] ' '=(;)
   Fail: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x558d99e6bec0), _995190)
   Exit: (184) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _997894)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1012972)
   Exit: (183) [system] peek_char((0x558d99e6bec0), '(')
   Call: (183) [system] '('=')'
   Fail: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
   Fail: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1018542)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1020400)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1034554)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1018542)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1040124)
   Exit: (186) [system] peek_char((0x558d99e6bec0), r)
   Call: (186) [system] r=(;)
   Fail: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Fail: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Fail: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Fail: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
   Fail: (187) [system] char_type(r, cntrl)
^  Fail: (186) [user] is_like_space(r)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1054278)
   Exit: (185) [system] peek_char((0x558d99e6bec0), r)
   Call: (185) [system] r=')'
   Fail: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
   Fail: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1059848)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1061706)
   Exit: (187) [system] peek_char((0x558d99e6bec0), r)
   Call: (187) [system] r=(;)
   Fail: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Fail: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Fail: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Fail: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
   Fail: (188) [system] char_type(r, cntrl)
^  Fail: (187) [user] is_like_space(r)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1075860)
   Exit: (186) [system] get_char((0x558d99e6bec0), r)
   Call: (186) [system] r='('
   Fail: (186) [system] r='('
   Call: (186) [system] r='['
   Fail: (186) [system] r='['
   Call: (186) [system] r='{'
   Fail: (186) [system] r='{'
   Call: (186) [system] r='"'
   Fail: (186) [system] r='"'
   Call: (186) [system] r=!
   Fail: (186) [system] r=!
   Call: (186) [system] r='\''
   Fail: (186) [system] r='\''
   Call: (186) [system] r='`'
   Fail: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
   Fail: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, _1059848)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093502)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1094436)
   Exit: (188) [system] peek_char((0x558d99e6bec0), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Fail: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1099156, v('(', ')', end_of_file), b)
   Fail: (189) [system] arg(_1100088, v('(', ')', end_of_file), b)
^  Fail: (188) [user] is_delimiter(b)
   Call: (188) [system] ')'==b
   Fail: (188) [system] ')'==b
   Call: (188) [system] get_char((0x558d99e6bec0), b)
   Exit: (188) [system] get_char((0x558d99e6bec0), b)
   Call: (188) [system] b=(\)
   Fail: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107438)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1108372)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1113092, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1107438=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (188) [system] _1093502=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1059848)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1122348, _1122350), once(user:catch(read_from_chars([r, b], _1059848), _1122324, fail)), '$restore_trace'(_1122348, _1122350))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1122348, _1122350))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1122324, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1129848)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1131706)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ')')
   Call: (187) [system] ')'=(;)
   Fail: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Fail: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Fail: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Fail: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
   Fail: (188) [system] char_type(')', cntrl)
^  Fail: (187) [user] is_like_space(')')
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1145860)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x558d99e6bec0), _1149650)
   Exit: (186) [system] get_char((0x558d99e6bec0), ')')
   Call: (186) [system] _1129848=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (185) [system] _1018542=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [rb])
^  Call: (183) [user] read_list(')', (0x558d99e6bec0), _1157944)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1159802)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (185) [system] ' '=(;)
   Fail: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x558d99e6bec0), _1167540)
   Exit: (185) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1170244)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _1185322)
   Exit: (184) [system] peek_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('=')'
   Fail: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
   Fail: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x558d99e6bec0), _1190892)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1192750)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=(;)
   Fail: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Fail: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Fail: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Fail: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
   Fail: (187) [system] char_type('(', cntrl)
^  Fail: (186) [user] is_like_space('(')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] get_char((0x558d99e6bec0), _1206904)
   Exit: (185) [system] get_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1190892)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1212474)
   Exit: (187) [system] peek_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)=(;)
   Fail: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Fail: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Fail: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Fail: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
   Fail: (188) [system] char_type(:, cntrl)
^  Fail: (187) [user] is_like_space(:)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1226628)
   Exit: (186) [system] peek_char((0x558d99e6bec0), :)
   Call: (186) [system] (:)=')'
   Fail: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
   Fail: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1232198)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1234056)
   Exit: (188) [system] peek_char((0x558d99e6bec0), :)
   Call: (188) [system] (:)=(;)
   Fail: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Fail: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Fail: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Fail: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
   Fail: (189) [system] char_type(:, cntrl)
^  Fail: (188) [user] is_like_space(:)
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1248210)
   Exit: (187) [system] get_char((0x558d99e6bec0), :)
   Call: (187) [system] (:)='('
   Fail: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Fail: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Fail: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Fail: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Fail: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Fail: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Fail: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
   Fail: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, _1232198)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1265852)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1266786)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1265852=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1232198)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1276096, _1276098), once(user:catch(read_from_chars([:], _1232198), _1276072, fail)), '$restore_trace'(_1276096, _1276098))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1276096, _1276098))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1276072, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _1283596)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1285454)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _1293192)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1295896)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1310974)
   Exit: (187) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (187) [system] 'D'=')'
   Fail: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
   Fail: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _1316544)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1318402)
   Exit: (189) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (189) [system] 'D'=(;)
   Fail: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Fail: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Fail: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Fail: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
   Fail: (190) [system] char_type('D', cntrl)
^  Fail: (189) [user] is_like_space('D')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _1332556)
   Exit: (188) [system] get_char((0x558d99e6bec0), 'D')
   Call: (188) [system] 'D'='('
   Fail: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Fail: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Fail: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Fail: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Fail: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Fail: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Fail: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
   Fail: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1316544)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1350198)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1351132)
   Exit: (190) [system] peek_char((0x558d99e6bec0), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Fail: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_1355852, v('(', ')', end_of_file), i)
   Fail: (191) [system] arg(_1356784, v('(', ')', end_of_file), i)
^  Fail: (190) [user] is_delimiter(i)
   Call: (190) [system] ')'==i
   Fail: (190) [system] ')'==i
   Call: (190) [system] get_char((0x558d99e6bec0), i)
   Exit: (190) [system] get_char((0x558d99e6bec0), i)
   Call: (190) [system] i=(\)
   Fail: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1364134)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1365068)
   Exit: (191) [system] peek_char((0x558d99e6bec0), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Fail: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_1369788, v('(', ')', end_of_file), s)
   Fail: (192) [system] arg(_1370720, v('(', ')', end_of_file), s)
^  Fail: (191) [user] is_delimiter(s)
   Call: (191) [system] ')'==s
   Fail: (191) [system] ')'==s
   Call: (191) [system] get_char((0x558d99e6bec0), s)
   Exit: (191) [system] get_char((0x558d99e6bec0), s)
   Call: (191) [system] s=(\)
   Fail: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1378070)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1379004)
   Exit: (192) [system] peek_char((0x558d99e6bec0), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Fail: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1383724, v('(', ')', end_of_file), j)
   Fail: (193) [system] arg(_1384656, v('(', ')', end_of_file), j)
^  Fail: (192) [user] is_delimiter(j)
   Call: (192) [system] ')'==j
   Fail: (192) [system] ')'==j
   Call: (192) [system] get_char((0x558d99e6bec0), j)
   Exit: (192) [system] get_char((0x558d99e6bec0), j)
   Call: (192) [system] j=(\)
   Fail: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1392006)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1392940)
   Exit: (193) [system] peek_char((0x558d99e6bec0), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Fail: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1397660, v('(', ')', end_of_file), u)
   Fail: (194) [system] arg(_1398592, v('(', ')', end_of_file), u)
^  Fail: (193) [user] is_delimiter(u)
   Call: (193) [system] ')'==u
   Fail: (193) [system] ')'==u
   Call: (193) [system] get_char((0x558d99e6bec0), u)
   Exit: (193) [system] get_char((0x558d99e6bec0), u)
   Call: (193) [system] u=(\)
   Fail: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405942)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1406876)
   Exit: (194) [system] peek_char((0x558d99e6bec0), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Fail: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1411596, v('(', ')', end_of_file), n)
   Fail: (195) [system] arg(_1412528, v('(', ')', end_of_file), n)
^  Fail: (194) [user] is_delimiter(n)
   Call: (194) [system] ')'==n
   Fail: (194) [system] ')'==n
   Call: (194) [system] get_char((0x558d99e6bec0), n)
   Exit: (194) [system] get_char((0x558d99e6bec0), n)
   Call: (194) [system] n=(\)
   Fail: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419878)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1420812)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1425532, v('(', ')', end_of_file), c)
   Fail: (196) [system] arg(_1426464, v('(', ')', end_of_file), c)
^  Fail: (195) [user] is_delimiter(c)
   Call: (195) [system] ')'==c
   Fail: (195) [system] ')'==c
   Call: (195) [system] get_char((0x558d99e6bec0), c)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(\)
   Fail: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1433814)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1434748)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1439468, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1440400, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1447750)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1448684)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1453404, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1454336, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1461686)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1462620)
   Exit: (198) [system] peek_char((0x558d99e6bec0), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Fail: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1467340, v('(', ')', end_of_file), o)
   Fail: (199) [system] arg(_1468272, v('(', ')', end_of_file), o)
^  Fail: (198) [user] is_delimiter(o)
   Call: (198) [system] ')'==o
   Fail: (198) [system] ')'==o
   Call: (198) [system] get_char((0x558d99e6bec0), o)
   Exit: (198) [system] get_char((0x558d99e6bec0), o)
   Call: (198) [system] o=(\)
   Fail: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1475622)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1476556)
   Exit: (199) [system] peek_char((0x558d99e6bec0), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Fail: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1481276, v('(', ')', end_of_file), n)
   Fail: (200) [system] arg(_1482208, v('(', ')', end_of_file), n)
^  Fail: (199) [user] is_delimiter(n)
   Call: (199) [system] ')'==n
   Fail: (199) [system] ')'==n
   Call: (199) [system] get_char((0x558d99e6bec0), n)
   Exit: (199) [system] get_char((0x558d99e6bec0), n)
   Call: (199) [system] n=(\)
   Fail: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1489558)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1490492)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_1495212, v('(', ')', end_of_file), 'I')
   Fail: (201) [system] arg(_1496144, v('(', ')', end_of_file), 'I')
^  Fail: (200) [user] is_delimiter('I')
   Call: (200) [system] ')'=='I'
   Fail: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'I')
   Call: (200) [system] 'I'=(\)
   Fail: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1503494)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1504428)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1509148, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1510080, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1517430)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1518364)
   Exit: (202) [system] peek_char((0x558d99e6bec0), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Fail: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1523084, v('(', ')', end_of_file), t)
   Fail: (203) [system] arg(_1524016, v('(', ')', end_of_file), t)
^  Fail: (202) [user] is_delimiter(t)
   Call: (202) [system] ')'==t
   Fail: (202) [system] ')'==t
   Call: (202) [system] get_char((0x558d99e6bec0), t)
   Exit: (202) [system] get_char((0x558d99e6bec0), t)
   Call: (202) [system] t=(\)
   Fail: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1531366)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1532300)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1537020, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_1537952, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1545302)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1546236)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1550956, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1551888, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1559238)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1560172)
   Exit: (205) [system] peek_char((0x558d99e6bec0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1564892, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1565824, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x558d99e6bec0), d)
   Exit: (205) [system] get_char((0x558d99e6bec0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1573174)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1574108)
   Exit: (206) [system] peek_char((0x558d99e6bec0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_1578828, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_1579760, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x558d99e6bec0), u)
   Exit: (206) [system] get_char((0x558d99e6bec0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1587110)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1588044)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1592764, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1593696, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x558d99e6bec0), c)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1601046)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1601980)
   Exit: (208) [system] peek_char((0x558d99e6bec0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_1606700, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_1607632, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x558d99e6bec0), t)
   Exit: (208) [system] get_char((0x558d99e6bec0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1614982)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1615916)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1620636, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1621568, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1628918)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1629852)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1634572, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_1635504, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1642854)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1643788)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1648508, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1649440, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1656790)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1657724)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1656790=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1642854=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (210) [system] _1628918=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (209) [system] _1614982=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (208) [system] _1601046=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (207) [system] _1587110=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (206) [system] _1573174=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (205) [system] _1559238=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (204) [system] _1545302=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _1531366=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _1517430=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _1503494=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _1489558=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _1475622=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _1461686=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _1447750=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _1433814=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _1419878=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _1405942=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _1392006=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _1378070=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _1364134=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _1350198=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1316544)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1728502, _1728504), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1316544), _1728478, fail)), '$restore_trace'(_1728502, _1728504))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1728502, _1728504))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1316544), _1728478, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_1316544)
   Fail: (190) [system] atomic(_1316544)
   Call: (190) [system] atom_chars(_1316544, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (190) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1737878)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1739736)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1747474)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1750178)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1765256)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=')'
   Fail: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
   Fail: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1770826)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1772684)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1786838)
   Exit: (189) [system] get_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1770826)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1792408)
   Exit: (191) [system] peek_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)=(;)
   Fail: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Fail: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Fail: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Fail: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
   Fail: (192) [system] char_type(-, cntrl)
^  Fail: (191) [user] is_like_space(-)
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1806562)
   Exit: (190) [system] peek_char((0x558d99e6bec0), -)
   Call: (190) [system] (-)=')'
   Fail: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
   Fail: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1812132)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1813990)
   Exit: (192) [system] peek_char((0x558d99e6bec0), -)
   Call: (192) [system] (-)=(;)
   Fail: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Fail: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Fail: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Fail: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
   Fail: (193) [system] char_type(-, cntrl)
^  Fail: (192) [user] is_like_space(-)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1828144)
   Exit: (191) [system] get_char((0x558d99e6bec0), -)
   Call: (191) [system] (-)='('
   Fail: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Fail: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Fail: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Fail: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Fail: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Fail: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Fail: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
   Fail: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, _1812132)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1845786)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1846720)
   Exit: (193) [system] peek_char((0x558d99e6bec0), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Fail: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1851440, v('(', ')', end_of_file), >)
   Fail: (194) [system] arg(_1852372, v('(', ')', end_of_file), >)
^  Fail: (193) [user] is_delimiter(>)
   Call: (193) [system] ')'==(>)
   Fail: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x558d99e6bec0), >)
   Exit: (193) [system] get_char((0x558d99e6bec0), >)
   Call: (193) [system] (>)=(\)
   Fail: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1859722)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1860656)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1859722=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1845786=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _1812132)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1872760, _1872762), once(user:catch(read_from_chars([-, >], _1812132), _1872736, fail)), '$restore_trace'(_1872760, _1872762))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1872760, _1872762))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1872736, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), ->)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1880260)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1882118)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1889856)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1892560)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1907638)
   Exit: (191) [system] peek_char((0x558d99e6bec0), $)
   Call: (191) [system] ($)=')'
   Fail: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
   Fail: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1913208)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1915066)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=(;)
   Fail: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Fail: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Fail: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Fail: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
   Fail: (194) [system] char_type($, cntrl)
^  Fail: (193) [user] is_like_space($)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1929220)
   Exit: (192) [system] get_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)='('
   Fail: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Fail: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Fail: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Fail: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Fail: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Fail: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Fail: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), $, _1913208)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1946862)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1947796)
   Exit: (194) [system] peek_char((0x558d99e6bec0), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Fail: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_1952516, v('(', ')', end_of_file), p)
   Fail: (195) [system] arg(_1953448, v('(', ')', end_of_file), p)
^  Fail: (194) [user] is_delimiter(p)
   Call: (194) [system] ')'==p
   Fail: (194) [system] ')'==p
   Call: (194) [system] get_char((0x558d99e6bec0), p)
   Exit: (194) [system] get_char((0x558d99e6bec0), p)
   Call: (194) [system] p=(\)
   Fail: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1960798)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1961732)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1960798=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1946862=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (193) [user] classify_and_convert_charseq($, [p], _1913208)
   Call: (194) [system] atom_chars(_1973810, ['_', p])
   Exit: (194) [system] atom_chars('_p', ['_', p])
^  Exit: (193) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1978474)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1980332)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1988070)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1990774)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _2005852)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _2011422)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2013280)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _2027434)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _2011422)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2045076)
   Call: (195) [system] peek_char((0x558d99e6bec0), _2046010)
   Exit: (195) [system] peek_char((0x558d99e6bec0), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Fail: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_2050730, v('(', ')', end_of_file), q)
   Fail: (196) [system] arg(_2051662, v('(', ')', end_of_file), q)
^  Fail: (195) [user] is_delimiter(q)
   Call: (195) [system] ')'==q
   Fail: (195) [system] ')'==q
   Call: (195) [system] get_char((0x558d99e6bec0), q)
   Exit: (195) [system] get_char((0x558d99e6bec0), q)
   Call: (195) [system] q=(\)
   Fail: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2059012)
   Call: (196) [system] peek_char((0x558d99e6bec0), _2059946)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _2059012=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (195) [system] _2045076=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (194) [user] classify_and_convert_charseq($, [q], _2011422)
   Call: (195) [system] atom_chars(_2072024, ['_', q])
   Exit: (195) [system] atom_chars('_q', ['_', q])
^  Exit: (194) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _2076688)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _2078546)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _2086284)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _2088988)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _10662)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _16232)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _18090)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _32244)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _16232)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _37814)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (196) [system] 'O'=(;)
   Fail: (196) [system] 'O'=(;)
^  Call: (196) [user] is_like_space('O')
   Call: (197) [system] char_type('O', 'white')
   Fail: (197) [system] char_type('O', 'white')
   Call: (197) [system] char_type('O', end_of_line)
   Fail: (197) [system] char_type('O', end_of_line)
   Call: (197) [system] char_type('O', space)
   Fail: (197) [system] char_type('O', space)
   Call: (197) [system] char_type('O', cntrl)
   Fail: (197) [system] char_type('O', cntrl)
^  Fail: (196) [user] is_like_space('O')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _51968)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (195) [system] 'O'=')'
   Fail: (195) [system] 'O'=')'
   Call: (195) [system] 'O'=end_of_file
   Fail: (195) [system] 'O'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _57538)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _59396)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (197) [system] 'O'=(;)
   Fail: (197) [system] 'O'=(;)
^  Call: (197) [user] is_like_space('O')
   Call: (198) [system] char_type('O', 'white')
   Fail: (198) [system] char_type('O', 'white')
   Call: (198) [system] char_type('O', end_of_line)
   Fail: (198) [system] char_type('O', end_of_line)
   Call: (198) [system] char_type('O', space)
   Fail: (198) [system] char_type('O', space)
   Call: (198) [system] char_type('O', cntrl)
   Fail: (198) [system] char_type('O', cntrl)
^  Fail: (197) [user] is_like_space('O')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _73550)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'O')
   Call: (196) [system] 'O'='('
   Fail: (196) [system] 'O'='('
   Call: (196) [system] 'O'='['
   Fail: (196) [system] 'O'='['
   Call: (196) [system] 'O'='{'
   Fail: (196) [system] 'O'='{'
   Call: (196) [system] 'O'='"'
   Fail: (196) [system] 'O'='"'
   Call: (196) [system] 'O'=!
   Fail: (196) [system] 'O'=!
   Call: (196) [system] 'O'='\''
   Fail: (196) [system] 'O'='\''
   Call: (196) [system] 'O'='`'
   Fail: (196) [system] 'O'='`'
   Call: (196) [system] 'O'=end_of_file
   Fail: (196) [system] 'O'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _57538)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _91192)
   Call: (198) [system] peek_char((0x558d99e6bec0), _92126)
   Exit: (198) [system] peek_char((0x558d99e6bec0), r)
^  Call: (198) [user] is_delimiter(r)
   Call: (199) [system] char_type(r, space)
   Fail: (199) [system] char_type(r, space)
   Call: (199) [system] arg(_96846, v('(', ')', end_of_file), r)
   Fail: (199) [system] arg(_97778, v('(', ')', end_of_file), r)
^  Fail: (198) [user] is_delimiter(r)
   Call: (198) [system] ')'==r
   Fail: (198) [system] ')'==r
   Call: (198) [system] get_char((0x558d99e6bec0), r)
   Exit: (198) [system] get_char((0x558d99e6bec0), r)
   Call: (198) [system] r=(\)
   Fail: (198) [system] r=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _105128)
   Call: (199) [system] peek_char((0x558d99e6bec0), _106062)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Fail: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_110782, v('(', ')', end_of_file), 'L')
   Fail: (200) [system] arg(_111714, v('(', ')', end_of_file), 'L')
^  Fail: (199) [user] is_delimiter('L')
   Call: (199) [system] ')'=='L'
   Fail: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (199) [system] get_char((0x558d99e6bec0), 'L')
   Call: (199) [system] 'L'=(\)
   Fail: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _119064)
   Call: (200) [system] peek_char((0x558d99e6bec0), _119998)
   Exit: (200) [system] peek_char((0x558d99e6bec0), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Fail: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_124718, v('(', ')', end_of_file), i)
   Fail: (201) [system] arg(_125650, v('(', ')', end_of_file), i)
^  Fail: (200) [user] is_delimiter(i)
   Call: (200) [system] ')'==i
   Fail: (200) [system] ')'==i
   Call: (200) [system] get_char((0x558d99e6bec0), i)
   Exit: (200) [system] get_char((0x558d99e6bec0), i)
   Call: (200) [system] i=(\)
   Fail: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _133000)
   Call: (201) [system] peek_char((0x558d99e6bec0), _133934)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_138654, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_139586, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _146936)
   Call: (202) [system] peek_char((0x558d99e6bec0), _147870)
   Exit: (202) [system] peek_char((0x558d99e6bec0), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Fail: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_152590, v('(', ')', end_of_file), k)
   Fail: (203) [system] arg(_153522, v('(', ')', end_of_file), k)
^  Fail: (202) [user] is_delimiter(k)
   Call: (202) [system] ')'==k
   Fail: (202) [system] ')'==k
   Call: (202) [system] get_char((0x558d99e6bec0), k)
   Exit: (202) [system] get_char((0x558d99e6bec0), k)
   Call: (202) [system] k=(\)
   Fail: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _160872)
   Call: (203) [system] peek_char((0x558d99e6bec0), _161806)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _160872=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (202) [system] _146936=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (201) [system] _133000=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (200) [system] _119064=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (199) [system] _105128=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (198) [system] _91192=[r, 'L', i, n, k]
   Exit: (198) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _57538)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_185086, _185088), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _57538), _185062, fail)), '$restore_trace'(_185086, _185088))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_185086, _185088))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _57538), _185062, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_57538)
   Fail: (198) [system] atomic(_57538)
   Call: (198) [system] atom_chars(_57538, ['O', r, 'L', i, n, k])
   Exit: (198) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _194462)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _196320)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _204058)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _206762)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _221840)
   Exit: (196) [system] peek_char((0x558d99e6bec0), $)
   Call: (196) [system] ($)=')'
   Fail: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
   Fail: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _227410)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _229268)
   Exit: (198) [system] peek_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)=(;)
   Fail: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Fail: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Fail: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Fail: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
   Fail: (199) [system] char_type($, cntrl)
^  Fail: (198) [user] is_like_space($)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _243422)
   Exit: (197) [system] get_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)='('
   Fail: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Fail: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Fail: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Fail: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Fail: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Fail: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Fail: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _227410)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _261064)
   Call: (199) [system] peek_char((0x558d99e6bec0), _261998)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_266718, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_267650, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _275000)
   Call: (200) [system] peek_char((0x558d99e6bec0), _275934)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _275000=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _261064=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p])
^  Call: (198) [user] classify_and_convert_charseq($, [p], _227410)
   Call: (199) [system] atom_chars(_288012, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _p)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _292676)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _294534)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _302272)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _304976)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _320054)
   Exit: (197) [system] peek_char((0x558d99e6bec0), $)
   Call: (197) [system] ($)=')'
   Fail: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
   Fail: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _325624)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _327482)
   Exit: (199) [system] peek_char((0x558d99e6bec0), $)
   Call: (199) [system] ($)=(;)
   Fail: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Fail: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Fail: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Fail: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
   Fail: (200) [system] char_type($, cntrl)
^  Fail: (199) [user] is_like_space($)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _341636)
   Exit: (198) [system] get_char((0x558d99e6bec0), $)
   Call: (198) [system] ($)='('
   Fail: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Fail: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Fail: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Fail: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Fail: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Fail: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Fail: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
   Fail: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _325624)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _359278)
   Call: (200) [system] peek_char((0x558d99e6bec0), _360212)
   Exit: (200) [system] peek_char((0x558d99e6bec0), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Fail: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_364932, v('(', ')', end_of_file), q)
   Fail: (201) [system] arg(_365864, v('(', ')', end_of_file), q)
^  Fail: (200) [user] is_delimiter(q)
   Call: (200) [system] ')'==q
   Fail: (200) [system] ')'==q
   Call: (200) [system] get_char((0x558d99e6bec0), q)
   Exit: (200) [system] get_char((0x558d99e6bec0), q)
   Call: (200) [system] q=(\)
   Fail: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _373214)
   Call: (201) [system] peek_char((0x558d99e6bec0), _374148)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_378868, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _373214=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (200) [system] _359278=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q])
^  Call: (199) [user] classify_and_convert_charseq($, [q], _325624)
   Call: (200) [system] atom_chars(_388098, ['_', q])
   Exit: (200) [system] atom_chars('_q', ['_', q])
^  Exit: (199) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _q)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _392762)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _394620)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _408774)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _412564)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _392762=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _292676=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [_q])
   Call: (196) [system] _194462=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [_p, _q])
   Call: (195) [system] _16232=['OrLink', _p, _q]
   Exit: (195) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['OrLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _426446)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _428304)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _442458)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _446248)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _426446=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _3424=[['OrLink', _p, _q]]
   Exit: (193) [system] [['OrLink', _p, _q]]=[['OrLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [['OrLink', _p, _q]])
   Call: (192) [system] _3414=[_q, ['OrLink', _p, _q]]
   Exit: (192) [system] [_q, ['OrLink', _p, _q]]=[_q, ['OrLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_q, ['OrLink', _p, _q]])
   Call: (191) [system] _3404=[_p, _q, ['OrLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['OrLink', _p, _q]]=[_p, _q, ['OrLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [_p, _q, ['OrLink', _p, _q]])
   Call: (190) [system] _3396=[->, _p, _q, ['OrLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['OrLink', _p, _q]]=[->, _p, _q, ['OrLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [->, _p, _q, ['OrLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), [->, _p, _q, ['OrLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _462924)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _464782)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ')')
   Call: (190) [system] ')'=(;)
   Fail: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Fail: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Fail: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Fail: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
   Fail: (191) [system] char_type(')', cntrl)
^  Fail: (190) [user] is_like_space(')')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _478936)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x558d99e6bec0), _482726)
   Exit: (189) [system] get_char((0x558d99e6bec0), ')')
   Call: (189) [system] _462924=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (188) [system] _3392=[[->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['OrLink', _p, _q]]]=[[->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [[->, _p, _q, ['OrLink', _p, _q]]])
   Call: (187) [system] _3386=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (187) [system] ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
   Call: (186) [system] _3378=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (186) [system] [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x558d99e6bec0), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _496608)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _498466)
   Exit: (186) [system] peek_char((0x558d99e6bec0), ')')
   Call: (186) [system] ')'=(;)
   Fail: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Fail: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Fail: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Fail: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
   Fail: (187) [system] char_type(')', cntrl)
^  Fail: (186) [user] is_like_space(')')
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _512620)
   Exit: (185) [system] peek_char((0x558d99e6bec0), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x558d99e6bec0), _516410)
   Exit: (185) [system] get_char((0x558d99e6bec0), ')')
   Call: (185) [system] _496608=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (184) [system] _3374=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x558d99e6bec0), [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x558d99e6bec0), [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x558d99e6bec0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x558d99e6bec0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (177) [system] once(user:(read_position((0x558d99e6bec0), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769)), read_sexpr((0x558d99e6bec0), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]), assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_534928, _534930, _534932, _534934, _534936))
^  Exit: (177) [user] retract(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _537764))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _537764)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), _537764)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _540580))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _540580))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _540580)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _543380))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _543380)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), _543380)
   Call: (187) [system] var('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] atom('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==true
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==false
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==[_549900, _549906]
   Call: (187) [system] is_list('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] string('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), _554534, _554536)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Quaternary rule", 74, 0], _558276)
   Call: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], _558276, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Quaternary rule", _560156)
   Call: (190) [system] var(";; Quaternary rule")
   Call: (190) [system] atom(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"==true
   Call: (190) [system] ";; Quaternary rule"==false
   Call: (190) [system] ";; Quaternary rule"==[_564798, _564804]
   Call: (190) [system] is_list(";; Quaternary rule")
   Call: (190) [system] string(";; Quaternary rule")
   Exit: (190) [system] string(";; Quaternary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Quaternary rule")
^  Call: (190) [user] symbol(";; Quaternary rule")
   Call: (191) [system] atom(";; Quaternary rule")
   Fail: (191) [system] atom(";; Quaternary rule")
^  Fail: (190) [user] symbol(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"=_560156
   Exit: (190) [system] ";; Quaternary rule"=";; Quaternary rule"
^  Exit: (189) [user] mfix_vars1(";; Quaternary rule", ";; Quaternary rule")
   Call: (189) [apply] apply:maplist_([74, 0], _560158, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(74, _578678)
   Call: (191) [system] var(74)
   Call: (191) [system] atom(74)
   Call: (191) [system] 74==true
   Call: (191) [system] 74==false
   Call: (191) [system] 74==[_583320, _583326]
   Call: (191) [system] is_list(74)
   Call: (191) [system] string(74)
   Call: (191) [system] compound(74)
^  Call: (191) [user] symbol(74)
   Call: (192) [system] atom(74)
   Fail: (192) [system] atom(74)
^  Fail: (191) [user] symbol(74)
   Call: (191) [system] 74=_578678
   Exit: (191) [system] 74=74
^  Exit: (190) [user] mfix_vars1(74, 74)
   Call: (190) [apply] apply:maplist_([0], _578680, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _594444)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_599086, _599092]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_594444
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _594446, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([74, 0], [74, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0])
   Call: (187) [system] compound_name_arguments(_543380, '$COMMENT', [";; Quaternary rule", 74, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _623262))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _623262))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _623262)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _626062))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _626062)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), _626062)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _537764))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _537764))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _537764)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _640020))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _640020)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), _640020)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (178) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1726258747_317601, 115)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258760.0888274)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258760.0888274-1726258756.3628235
   Exit: (173) [system] 3.726003885269165 is 1726258760.0888274-1726258756.3628235
   Call: (173) [system] 3.726003885269165>4
   Fail: (173) [system] 3.726003885269165>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 24)
   Call: (175) [system] atom(24+1)
   Call: (175) [system] set_flag(translated_forms, 25)
   Exit: (175) [system] set_flag(translated_forms, 25)
   Exit: (174) [$syspreds] update_flag(translated_forms, 24, 24+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 24, 24+1))
   Exit: (171) [$syspreds] flag(translated_forms, 24, 24+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1726258747_317601, 115)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1726258747_317601, 115)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 24, 24+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quaternary rule", 74, 0), ynthesize_long_1726258747_317601, 115)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 116)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 116))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 116))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _714804)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _722226)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _729648)
   Exit: (176) [system] peek_char((0x558d99e6bec0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (177) [system] string((0x558d99e6bec0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (178) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (178) [system] peek_char((0x558d99e6bec0), _737986)
   Exit: (178) [system] peek_char((0x558d99e6bec0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _740772=(0x558d99e6bec0)
   Exit: (178) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (178) [user] once((read_position((0x558d99e6bec0), _742640, _742642, _742644, _742646), read_sexpr((0x558d99e6bec0), _742658), assertz(metta_file_comment(_742640, _742642, _742644, _742658, _742646))))
^  Call: (180) [user] read_position((0x558d99e6bec0), _742640, _742642, _742644, _742646)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_742646))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_742646))
   Exit: (182) [system] nonvar(position(_742646))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(4833, 118, 0, 4833)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), _742640)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _752898)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), _742640)
   Exit: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), 118)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), 118)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), _742642)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _760332)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), _742642)
   Exit: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), _742644)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _767766)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), _742644)
   Exit: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), 4833)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), 4833)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833))
^  Call: (180) [user] read_sexpr((0x558d99e6bec0), _742658)
   Call: (181) [system] string((0x558d99e6bec0))
   Fail: (181) [system] string((0x558d99e6bec0))
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _742658)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _777992)
   Exit: (183) [system] peek_char((0x558d99e6bec0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _792146)
   Exit: (182) [system] get_char((0x558d99e6bec0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x558d99e6bec0), _803284)
   Call: (183) [system] string((0x558d99e6bec0))
   Fail: (183) [system] string((0x558d99e6bec0))
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _803284)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _807918)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _822072)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _803284)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _827642)
   Exit: (186) [system] peek_char((0x558d99e6bec0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _841796)
   Exit: (185) [system] peek_char((0x558d99e6bec0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _847366)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _849224)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _863378)
   Exit: (186) [system] get_char((0x558d99e6bec0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, _847366)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _881020)
   Call: (188) [system] peek_char((0x558d99e6bec0), _881954)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_886674, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_887606, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x558d99e6bec0), s)
   Exit: (188) [system] get_char((0x558d99e6bec0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _894956)
   Call: (189) [system] peek_char((0x558d99e6bec0), _895890)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_900610, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_901542, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x558d99e6bec0), s)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _908892)
   Call: (190) [system] peek_char((0x558d99e6bec0), _909826)
   Exit: (190) [system] peek_char((0x558d99e6bec0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_914546, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_915478, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x558d99e6bec0), e)
   Exit: (190) [system] get_char((0x558d99e6bec0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _922828)
   Call: (191) [system] peek_char((0x558d99e6bec0), _923762)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_928482, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_929414, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _936764)
   Call: (192) [system] peek_char((0x558d99e6bec0), _937698)
   Exit: (192) [system] peek_char((0x558d99e6bec0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_942418, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_943350, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x558d99e6bec0), t)
   Exit: (192) [system] get_char((0x558d99e6bec0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _950700)
   Call: (193) [system] peek_char((0x558d99e6bec0), _951634)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_956354, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_957286, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x558d99e6bec0), 'E')
   Exit: (193) [system] get_char((0x558d99e6bec0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _964636)
   Call: (194) [system] peek_char((0x558d99e6bec0), _965570)
   Exit: (194) [system] peek_char((0x558d99e6bec0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_970290, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_971222, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x558d99e6bec0), q)
   Exit: (194) [system] get_char((0x558d99e6bec0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _978572)
   Call: (195) [system] peek_char((0x558d99e6bec0), _979506)
   Exit: (195) [system] peek_char((0x558d99e6bec0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_984226, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_985158, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x558d99e6bec0), u)
   Exit: (195) [system] get_char((0x558d99e6bec0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _992508)
   Call: (196) [system] peek_char((0x558d99e6bec0), _993442)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_998162, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_999094, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x558d99e6bec0), a)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1006444)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1007378)
   Exit: (197) [system] peek_char((0x558d99e6bec0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1012098, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1013030, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x558d99e6bec0), l)
   Exit: (197) [system] get_char((0x558d99e6bec0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1020380)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1021314)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1026034, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1026966, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x558d99e6bec0), 'T')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1034316)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1035250)
   Exit: (199) [system] peek_char((0x558d99e6bec0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1039970, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1040902, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x558d99e6bec0), o)
   Exit: (199) [system] get_char((0x558d99e6bec0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1048252)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1049186)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1053906, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1054838, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x558d99e6bec0), 'R')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1062188)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1063122)
   Exit: (201) [system] peek_char((0x558d99e6bec0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1067842, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1068774, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x558d99e6bec0), e)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1076124)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1077058)
   Exit: (202) [system] peek_char((0x558d99e6bec0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1081778, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1082710, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x558d99e6bec0), s)
   Exit: (202) [system] get_char((0x558d99e6bec0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1090060)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1090994)
   Exit: (203) [system] peek_char((0x558d99e6bec0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1095714, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1096646, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x558d99e6bec0), u)
   Exit: (203) [system] get_char((0x558d99e6bec0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1103996)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1104930)
   Exit: (204) [system] peek_char((0x558d99e6bec0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1109650, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1110582, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x558d99e6bec0), l)
   Exit: (204) [system] get_char((0x558d99e6bec0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1117932)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1118866)
   Exit: (205) [system] peek_char((0x558d99e6bec0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1123586, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1124518, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x558d99e6bec0), t)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1131868)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1132802)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1131868=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1117932=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (204) [system] _1103996=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, t])
   Call: (203) [system] _1090060=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, l, t])
   Call: (202) [system] _1076124=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, u, l, t])
   Call: (201) [system] _1062188=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, u, l, t])
   Call: (200) [system] _1048252=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['R', e, s, u, l, t])
   Call: (199) [system] _1034316=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1020380=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1006444=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _992508=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _978572=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _964636=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _950700=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _936764=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _922828=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _908892=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _894956=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _881020=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _847366)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1192404, _1192406), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _847366), _1192380, fail)), '$restore_trace'(_1192404, _1192406))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1192404, _1192406))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1192380, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1199904)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1201762)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1209500)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1212204)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _1221798)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1224502)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1232240)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1234944)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1242682)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1245386)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _1253124)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1255828)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1263566)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1266270)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1274008)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1276712)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1297334)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1302904)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1304762)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1318916)
   Exit: (187) [system] get_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1302904)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1324486)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1338640)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _1344210)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1346068)
   Exit: (190) [system] peek_char((0x558d99e6bec0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _1360222)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), s, _1344210)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377864)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1378798)
   Exit: (191) [system] peek_char((0x558d99e6bec0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_1383518, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_1384450, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x558d99e6bec0), y)
   Exit: (191) [system] get_char((0x558d99e6bec0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391800)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1392734)
   Exit: (192) [system] peek_char((0x558d99e6bec0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_1397454, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_1398386, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x558d99e6bec0), n)
   Exit: (192) [system] get_char((0x558d99e6bec0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405736)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1406670)
   Exit: (193) [system] peek_char((0x558d99e6bec0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1411390, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_1412322, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x558d99e6bec0), t)
   Exit: (193) [system] get_char((0x558d99e6bec0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419672)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1420606)
   Exit: (194) [system] peek_char((0x558d99e6bec0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_1425326, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_1426258, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x558d99e6bec0), h)
   Exit: (194) [system] get_char((0x558d99e6bec0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1433608)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1434542)
   Exit: (195) [system] peek_char((0x558d99e6bec0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1439262, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_1440194, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x558d99e6bec0), e)
   Exit: (195) [system] get_char((0x558d99e6bec0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1447544)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1448478)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_1453198, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_1454130, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x558d99e6bec0), s)
   Exit: (196) [system] get_char((0x558d99e6bec0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1461480)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1462414)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1467134, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_1468066, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1475416)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1476350)
   Exit: (198) [system] peek_char((0x558d99e6bec0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1481070, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_1482002, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x558d99e6bec0), z)
   Exit: (198) [system] get_char((0x558d99e6bec0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1489352)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1490286)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1495006, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1495938, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1503288)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1504222)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1503288=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1489352=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _1475416=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (197) [system] _1461480=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (196) [system] _1447544=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (195) [system] _1433608=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (194) [system] _1419672=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (193) [system] _1405736=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (192) [system] _1391800=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _1377864=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1344210)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1538678, _1538680), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1344210), _1538654, fail)), '$restore_trace'(_1538678, _1538680))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1538678, _1538680))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1538654, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(synthesize)
   Exit: (191) [system] atomic(synthesize)
^  Exit: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1546178)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1548036)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1555774)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1558478)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1573556)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _1579126)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1580984)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _1595138)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1579126)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1600708)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1614862)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1620432)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1622290)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1636444)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _1620432)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1654086)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1655020)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1654086=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _1620432)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1664330, _1664332), once(user:catch(read_from_chars([:], _1620432), _1664306, fail)), '$restore_trace'(_1664330, _1664332))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1664330, _1664332))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1664306, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1671830)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1673688)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1681426)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1684130)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1699208)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1704778)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1706636)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1720790)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _1704778)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738432)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1739366)
   Exit: (195) [system] peek_char((0x558d99e6bec0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1744086, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1745018, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x558d99e6bec0), t)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752368)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1753302)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1758022, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1758954, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766304)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1767238)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1771958, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1772890, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1780240)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1781174)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1785894, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_1786826, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1794176)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1795110)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1794176=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1780240=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (197) [system] _1766304=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, m])
   Call: (196) [system] _1752368=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, m])
   Call: (195) [system] _1738432=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _1704778)
   Call: (195) [system] atom_chars(_1815570, ['_', t, e, r, m])
   Exit: (195) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _term)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1820234)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1822092)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1829830)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1832534)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1847612)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1853182)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1855040)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1869194)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1853182)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1886836)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1887770)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1892490, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1893422, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1900772)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1901706)
   Exit: (197) [system] peek_char((0x558d99e6bec0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_1906426, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_1907358, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x558d99e6bec0), y)
   Exit: (197) [system] get_char((0x558d99e6bec0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1914708)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1915642)
   Exit: (198) [system] peek_char((0x558d99e6bec0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1920362, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1921294, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x558d99e6bec0), p)
   Exit: (198) [system] get_char((0x558d99e6bec0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1928644)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1929578)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1934298, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1935230, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1942580)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1943514)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1948234, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1942580=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1928644=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _1914708=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, e])
   Call: (197) [system] _1900772=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, p, e])
   Call: (196) [system] _1886836=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _1853182)
   Call: (196) [system] atom_chars(_1965846, ['_', t, y, p, e])
   Exit: (196) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _type)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1970510)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1972368)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1986522)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1990312)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1970510=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1820234=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_type])
   Call: (192) [system] _1671830=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_term, _type])
   Call: (191) [system] _1579126=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _2004194)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _2006052)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _2013790)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _2016494)
   Exit: (192) [system] peek_char((0x558d99e6bec0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2031572)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _2037142)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _2039000)
   Exit: (192) [system] peek_char((0x558d99e6bec0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _2053154)
   Exit: (191) [system] get_char((0x558d99e6bec0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), k, _2037142)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2070796)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2071730)
   Exit: (193) [system] peek_char((0x558d99e6bec0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_2076450, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_2077382, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x558d99e6bec0), b)
   Exit: (193) [system] get_char((0x558d99e6bec0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2084732)
   Call: (194) [system] peek_char((0x558d99e6bec0), _2085666)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _2084732=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _2070796=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (192) [user] classify_and_convert_charseq(k, [b], _3416)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_4328, _4330), once(user:catch(read_from_chars([k, b], _3416), _4304, fail)), '$restore_trace'(_4328, _4330))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_4328, _4330))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _4304, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(kb)
   Exit: (193) [system] atomic(kb)
^  Exit: (192) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _11828)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _13686)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _21424)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _24128)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _39206)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _44776)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _46634)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _60788)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), r, _44776)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _78430)
   Call: (194) [system] peek_char((0x558d99e6bec0), _79364)
   Exit: (194) [system] peek_char((0x558d99e6bec0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_84084, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_85016, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x558d99e6bec0), b)
   Exit: (194) [system] get_char((0x558d99e6bec0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _92366)
   Call: (195) [system] peek_char((0x558d99e6bec0), _93300)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _92366=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _78430=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (193) [user] classify_and_convert_charseq(r, [b], _44776)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_105404, _105406), once(user:catch(read_from_chars([r, b], _44776), _105380, fail)), '$restore_trace'(_105404, _105406))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_105404, _105406))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _105380, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(rb)
   Exit: (194) [system] atomic(rb)
^  Exit: (193) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _112904)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _114762)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _122500)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _125204)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _140282)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _145852)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _147710)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _161864)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _145852)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _167434)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (195) [system] 'S'=(;)
   Fail: (195) [system] 'S'=(;)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Fail: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Fail: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Fail: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
   Fail: (196) [system] char_type('S', cntrl)
^  Fail: (195) [user] is_like_space('S')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _181588)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (194) [system] 'S'=')'
   Fail: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
   Fail: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _187158)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _189016)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _203170)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'S')
   Call: (195) [system] 'S'='('
   Fail: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Fail: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Fail: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Fail: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Fail: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Fail: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Fail: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _187158)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _220812)
   Call: (197) [system] peek_char((0x558d99e6bec0), _221746)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _220812=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('S', [], _187158)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_231056, _231058), once(user:catch(read_from_chars(['S'], _187158), _231032, fail)), '$restore_trace'(_231056, _231058))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_231056, _231058))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _187158), _231032, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_187158)
   Fail: (197) [system] atomic(_187158)
   Call: (197) [system] atom_chars(_187158, ['S'])
   Exit: (197) [system] atom_chars('S', ['S'])
^  Exit: (196) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _240432)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _242290)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _250028)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _252732)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (197) [system] 'Z'=(;)
   Fail: (197) [system] 'Z'=(;)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Fail: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Fail: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Fail: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
   Fail: (198) [system] char_type('Z', cntrl)
^  Fail: (197) [user] is_like_space('Z')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _267810)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (195) [system] 'Z'=')'
   Fail: (195) [system] 'Z'=')'
   Call: (195) [system] 'Z'=end_of_file
   Fail: (195) [system] 'Z'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _273380)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _275238)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (197) [system] 'Z'=(;)
   Fail: (197) [system] 'Z'=(;)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Fail: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Fail: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Fail: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
   Fail: (198) [system] char_type('Z', cntrl)
^  Fail: (197) [user] is_like_space('Z')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _289392)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'Z')
   Call: (196) [system] 'Z'='('
   Fail: (196) [system] 'Z'='('
   Call: (196) [system] 'Z'='['
   Fail: (196) [system] 'Z'='['
   Call: (196) [system] 'Z'='{'
   Fail: (196) [system] 'Z'='{'
   Call: (196) [system] 'Z'='"'
   Fail: (196) [system] 'Z'='"'
   Call: (196) [system] 'Z'=!
   Fail: (196) [system] 'Z'=!
   Call: (196) [system] 'Z'='\''
   Fail: (196) [system] 'Z'='\''
   Call: (196) [system] 'Z'='`'
   Fail: (196) [system] 'Z'='`'
   Call: (196) [system] 'Z'=end_of_file
   Fail: (196) [system] 'Z'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', _273380)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307034)
   Call: (198) [system] peek_char((0x558d99e6bec0), _307968)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_312688, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _307034=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq('Z', [], _273380)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_319150, _319152), once(user:catch(read_from_chars(['Z'], _273380), _319126, fail)), '$restore_trace'(_319150, _319152))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_319150, _319152))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _273380), _319126, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_273380)
   Fail: (198) [system] atomic(_273380)
   Call: (198) [system] atom_chars(_273380, ['Z'])
   Exit: (198) [system] atom_chars('Z', ['Z'])
^  Exit: (197) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', 'Z')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'Z')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _328526)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _330384)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _344538)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _348328)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _328526=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _240432=['Z']
   Exit: (195) [system] ['Z']=['Z']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['Z'])
   Call: (194) [system] _145852=['S', 'Z']
   Exit: (194) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['S', 'Z'])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', 'Z'])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _359416)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _361274)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _375428)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _379218)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _359416=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _112904=[['S', 'Z']]
   Exit: (192) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [['S', 'Z']])
   Call: (191) [system] _11828=[rb, ['S', 'Z']]
   Exit: (191) [system] [rb, ['S', 'Z']]=[rb, ['S', 'Z']]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [rb, ['S', 'Z']])
   Call: (190) [system] _3412=[kb, rb, ['S', 'Z']]
   Exit: (190) [system] [kb, rb, ['S', 'Z']]=[kb, rb, ['S', 'Z']]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [kb, rb, ['S', 'Z']])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', 'Z']]=[[:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[:, _term, _type], kb, rb, ['S', 'Z']])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _398688)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _400546)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _410140)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _412844)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _420582)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _423286)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _431024)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _433728)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _441466)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _444170)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _451908)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _454612)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _462350)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _465054)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _472792)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _475496)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _483234)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _485938)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _493676)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _496380)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _518850)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _524420)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _526278)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _540432)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _524420)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _546002)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _560156)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _565726)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _567584)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _581738)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _565726)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _587308)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _601462)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _607032)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _608890)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _623044)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _607032)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640686)
   Call: (194) [system] peek_char((0x558d99e6bec0), _641620)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _640686=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _607032)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_650930, _650932), once(user:catch(read_from_chars([:], _607032), _650906, fail)), '$restore_trace'(_650930, _650932))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_650930, _650932))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _650906, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _658430)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _660288)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _668026)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _670730)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _685808)
   Exit: (192) [system] peek_char((0x558d99e6bec0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _691378)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _693236)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _707390)
   Exit: (193) [system] get_char((0x558d99e6bec0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, _691378)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _725032)
   Call: (195) [system] peek_char((0x558d99e6bec0), _725966)
   Exit: (195) [system] peek_char((0x558d99e6bec0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_730686, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_731618, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x558d99e6bec0), b)
   Exit: (195) [system] get_char((0x558d99e6bec0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _738968)
   Call: (196) [system] peek_char((0x558d99e6bec0), _739902)
   Exit: (196) [system] peek_char((0x558d99e6bec0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_744622, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_745554, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x558d99e6bec0), c)
   Exit: (196) [system] get_char((0x558d99e6bec0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _752904)
   Call: (197) [system] peek_char((0x558d99e6bec0), _753838)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _752904=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _738968=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (195) [system] _725032=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq(a, [b, c], _691378)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_768736, _768738), once(user:catch(read_from_chars([a, b, c], _691378), _768712, fail)), '$restore_trace'(_768736, _768738))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_768736, _768738))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _768712, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(abc)
   Exit: (195) [system] atomic(abc)
^  Exit: (194) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _776236)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _778094)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _785832)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _788536)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _803614)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _809184)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _811042)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _825196)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _809184)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _830766)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _844920)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _850490)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _852348)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _866502)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _850490)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _884144)
   Call: (198) [system] peek_char((0x558d99e6bec0), _885078)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_889798, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_890730, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _898080)
   Call: (199) [system] peek_char((0x558d99e6bec0), _899014)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_903734, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_904666, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _912016)
   Call: (200) [system] peek_char((0x558d99e6bec0), _912950)
   Exit: (200) [system] peek_char((0x558d99e6bec0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_917670, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_918602, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x558d99e6bec0), l)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _925952)
   Call: (201) [system] peek_char((0x558d99e6bec0), _926886)
   Exit: (201) [system] peek_char((0x558d99e6bec0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_931606, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_932538, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x558d99e6bec0), i)
   Exit: (201) [system] get_char((0x558d99e6bec0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _939888)
   Call: (202) [system] peek_char((0x558d99e6bec0), _940822)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_945542, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_946474, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _953824)
   Call: (203) [system] peek_char((0x558d99e6bec0), _954758)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_959478, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_960410, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x558d99e6bec0), a)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _967760)
   Call: (204) [system] peek_char((0x558d99e6bec0), _968694)
   Exit: (204) [system] peek_char((0x558d99e6bec0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_973414, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_974346, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x558d99e6bec0), t)
   Exit: (204) [system] get_char((0x558d99e6bec0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _981696)
   Call: (205) [system] peek_char((0x558d99e6bec0), _982630)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_987350, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_988282, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _995632)
   Call: (206) [system] peek_char((0x558d99e6bec0), _996566)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1001286, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_1002218, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1009568)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1010502)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1015222, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1016154, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1023504)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1024438)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1023504=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1009568=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (206) [system] _995632=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (205) [system] _981696=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (204) [system] _967760=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (203) [system] _953824=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (202) [system] _939888=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (201) [system] _925952=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (200) [system] _912016=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _898080=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _884144=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _850490)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1061688, _1061690), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _850490), _1061664, fail)), '$restore_trace'(_1061688, _1061690))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1061688, _1061690))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _850490), _1061664, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_850490)
   Fail: (198) [system] atomic(_850490)
   Call: (198) [system] atom_chars(_850490, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (198) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1071064)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1072922)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1080660)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1083364)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1098442)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1104012)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1105870)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1120024)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1104012)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1125594)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1139748)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1145318)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1147176)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1161330)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1145318)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1178972)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1179906)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1184626, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_1185558, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1192908)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1193842)
   Exit: (202) [system] peek_char((0x558d99e6bec0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_1198562, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_1199494, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x558d99e6bec0), d)
   Exit: (202) [system] get_char((0x558d99e6bec0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1206844)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1207778)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1212498, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_1213430, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (203) [system] get_char((0x558d99e6bec0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1220780)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1221714)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1226434, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1227366, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1234716)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1235650)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1240370, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1241302, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1248652)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1249586)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1254306, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_1255238, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1262588)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1263522)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1262588=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1248652=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (205) [system] _1234716=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (204) [system] _1220780=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (203) [system] _1206844=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (202) [system] _1192908=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (201) [system] _1178972=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1145318)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1289596, _1289598), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1145318), _1289572, fail)), '$restore_trace'(_1289596, _1289598))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1289596, _1289598))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1145318), _1289572, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1145318)
   Fail: (201) [system] atomic(_1145318)
   Call: (201) [system] atom_chars(_1145318, ['A', n, d, 'L', i, n, k])
   Exit: (201) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1298972)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1300830)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1308568)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1311272)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1326350)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1331920)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1333778)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1347932)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1331920)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1365574)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1366508)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1365574=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq('A', [], _1331920)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1375818, _1375820), once(user:catch(read_from_chars(['A'], _1331920), _1375794, fail)), '$restore_trace'(_1375818, _1375820))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1375818, _1375820))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1331920), _1375794, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1331920)
   Fail: (202) [system] atomic(_1331920)
   Call: (202) [system] atom_chars(_1331920, ['A'])
   Exit: (202) [system] atom_chars('A', ['A'])
^  Exit: (201) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1385194)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1387052)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1394790)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1397494)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1412572)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1418142)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1420000)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1434154)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1418142)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1451796)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1452730)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1457450, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1451796=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq('B', [], _1418142)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1463912, _1463914), once(user:catch(read_from_chars(['B'], _1418142), _1463888, fail)), '$restore_trace'(_1463912, _1463914))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1463912, _1463914))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1418142), _1463888, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1418142)
   Fail: (203) [system] atomic(_1418142)
   Call: (203) [system] atom_chars(_1418142, ['B'])
   Exit: (203) [system] atom_chars('B', ['B'])
^  Exit: (202) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1473288)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1475146)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1489300)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1493090)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1473288=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1385194=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (199) [system] _1298972=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (198) [system] _1104012=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1506972)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1508830)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1516568)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1519272)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1534350)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1539920)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1541778)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1555932)
   Exit: (198) [system] get_char((0x558d99e6bec0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1539920)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1573574)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1574508)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1579228, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1573574=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq('C', [], _1539920)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1585690, _1585692), once(user:catch(read_from_chars(['C'], _1539920), _1585666, fail)), '$restore_trace'(_1585690, _1585692))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1585690, _1585692))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1539920), _1585666, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1539920)
   Fail: (200) [system] atomic(_1539920)
   Call: (200) [system] atom_chars(_1539920, ['C'])
   Exit: (200) [system] atom_chars('C', ['C'])
^  Exit: (199) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1595066)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1596924)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1611078)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1614868)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1595066=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1506972=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (196) [system] _1071064=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _809184=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1628750)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1630608)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1644762)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1648552)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1628750=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _776236=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _658430=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _565726=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1662434)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1664292)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1673886)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1676590)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (192) [system] '\t'=(;)
   Fail: (192) [system] '\t'=(;)
^  Call: (192) [user] is_like_space('\t')
   Call: (193) [system] char_type('\t', 'white')
   Exit: (193) [system] char_type('\t', 'white')
^  Exit: (192) [user] is_like_space('\t')
   Call: (192) [system] get_char((0x558d99e6bec0), _1684328)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1687032)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (193) [system] '\t'=(;)
   Fail: (193) [system] '\t'=(;)
^  Call: (193) [user] is_like_space('\t')
   Call: (194) [system] char_type('\t', 'white')
   Exit: (194) [system] char_type('\t', 'white')
^  Exit: (193) [user] is_like_space('\t')
   Call: (193) [system] get_char((0x558d99e6bec0), _1694770)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1697474)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1705212)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1707916)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1725766)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1731336)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1733194)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1747348)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1731336)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1752918)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1767072)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1772642)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1774500)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1788654)
   Exit: (193) [system] get_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, _1772642)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1806296)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1807230)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1806296=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1772642)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1816540, _1816542), once(user:catch(read_from_chars([:], _1772642), _1816516, fail)), '$restore_trace'(_1816540, _1816542))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1816540, _1816542))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1816516, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1824040)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1825898)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1833636)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1836340)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(;)
   Fail: (195) [system] c=(;)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Fail: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Fail: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
   Fail: (196) [system] char_type(c, cntrl)
^  Fail: (195) [user] is_like_space(c)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1851418)
   Exit: (193) [system] peek_char((0x558d99e6bec0), c)
   Call: (193) [system] c=')'
   Fail: (193) [system] c=')'
   Call: (193) [system] c=end_of_file
   Fail: (193) [system] c=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1856988)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1858846)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
   Call: (195) [system] c=(;)
   Fail: (195) [system] c=(;)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Fail: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Fail: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Fail: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
   Fail: (196) [system] char_type(c, cntrl)
^  Fail: (195) [user] is_like_space(c)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1873000)
   Exit: (194) [system] get_char((0x558d99e6bec0), c)
   Call: (194) [system] c='('
   Fail: (194) [system] c='('
   Call: (194) [system] c='['
   Fail: (194) [system] c='['
   Call: (194) [system] c='{'
   Fail: (194) [system] c='{'
   Call: (194) [system] c='"'
   Fail: (194) [system] c='"'
   Call: (194) [system] c=!
   Fail: (194) [system] c=!
   Call: (194) [system] c='\''
   Fail: (194) [system] c='\''
   Call: (194) [system] c='`'
   Fail: (194) [system] c='`'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), c, _1856988)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1890642)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1891576)
   Exit: (196) [system] peek_char((0x558d99e6bec0), d)
^  Call: (196) [user] is_delimiter(d)
   Call: (197) [system] char_type(d, space)
   Fail: (197) [system] char_type(d, space)
   Call: (197) [system] arg(_1896296, v('(', ')', end_of_file), d)
   Fail: (197) [system] arg(_1897228, v('(', ')', end_of_file), d)
^  Fail: (196) [user] is_delimiter(d)
   Call: (196) [system] ')'==d
   Fail: (196) [system] ')'==d
   Call: (196) [system] get_char((0x558d99e6bec0), d)
   Exit: (196) [system] get_char((0x558d99e6bec0), d)
   Call: (196) [system] d=(\)
   Fail: (196) [system] d=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1904578)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1905512)
   Exit: (197) [system] peek_char((0x558d99e6bec0), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Fail: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_1910232, v('(', ')', end_of_file), e)
   Fail: (198) [system] arg(_1911164, v('(', ')', end_of_file), e)
^  Fail: (197) [user] is_delimiter(e)
   Call: (197) [system] ')'==e
   Fail: (197) [system] ')'==e
   Call: (197) [system] get_char((0x558d99e6bec0), e)
   Exit: (197) [system] get_char((0x558d99e6bec0), e)
   Call: (197) [system] e=(\)
   Fail: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1918514)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1919448)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1918514=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1904578=[e]
   Exit: (197) [system] [e]=[e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (196) [system] _1890642=[d, e]
   Exit: (196) [system] [d, e]=[d, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (195) [user] classify_and_convert_charseq(c, [d, e], _1856988)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1934346, _1934348), once(user:catch(read_from_chars([c, d, e], _1856988), _1934322, fail)), '$restore_trace'(_1934346, _1934348))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1934346, _1934348))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1934322, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(cde)
   Exit: (196) [system] atomic(cde)
^  Exit: (195) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1941846)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1943704)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1951442)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1954146)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1969224)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1974794)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1976652)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1990806)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1974794)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1996376)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _2010530)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'=')'
   Fail: (196) [system] 'I'=')'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _2016100)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2017958)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _2032112)
   Exit: (197) [system] get_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'='('
   Fail: (197) [system] 'I'='('
   Call: (197) [system] 'I'='['
   Fail: (197) [system] 'I'='['
   Call: (197) [system] 'I'='{'
   Fail: (197) [system] 'I'='{'
   Call: (197) [system] 'I'='"'
   Fail: (197) [system] 'I'='"'
   Call: (197) [system] 'I'=!
   Fail: (197) [system] 'I'=!
   Call: (197) [system] 'I'='\''
   Fail: (197) [system] 'I'='\''
   Call: (197) [system] 'I'='`'
   Fail: (197) [system] 'I'='`'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _2016100)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2049754)
   Call: (199) [system] peek_char((0x558d99e6bec0), _2050688)
   Exit: (199) [system] peek_char((0x558d99e6bec0), m)
^  Call: (199) [user] is_delimiter(m)
   Call: (200) [system] char_type(m, space)
   Fail: (200) [system] char_type(m, space)
   Call: (200) [system] arg(_2055408, v('(', ')', end_of_file), m)
   Fail: (200) [system] arg(_2056340, v('(', ')', end_of_file), m)
^  Fail: (199) [user] is_delimiter(m)
   Call: (199) [system] ')'==m
   Fail: (199) [system] ')'==m
   Call: (199) [system] get_char((0x558d99e6bec0), m)
   Exit: (199) [system] get_char((0x558d99e6bec0), m)
   Call: (199) [system] m=(\)
   Fail: (199) [system] m=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063690)
   Call: (200) [system] peek_char((0x558d99e6bec0), _2064624)
   Exit: (200) [system] peek_char((0x558d99e6bec0), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Fail: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_2069344, v('(', ')', end_of_file), p)
   Fail: (201) [system] arg(_2070276, v('(', ')', end_of_file), p)
^  Fail: (200) [user] is_delimiter(p)
   Call: (200) [system] ')'==p
   Fail: (200) [system] ')'==p
   Call: (200) [system] get_char((0x558d99e6bec0), p)
   Exit: (200) [system] get_char((0x558d99e6bec0), p)
   Call: (200) [system] p=(\)
   Fail: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077626)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2078560)
   Exit: (201) [system] peek_char((0x558d99e6bec0), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Fail: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_2083280, v('(', ')', end_of_file), l)
   Fail: (202) [system] arg(_2084212, v('(', ')', end_of_file), l)
^  Fail: (201) [user] is_delimiter(l)
   Call: (201) [system] ')'==l
   Fail: (201) [system] ')'==l
   Call: (201) [system] get_char((0x558d99e6bec0), l)
   Exit: (201) [system] get_char((0x558d99e6bec0), l)
   Call: (201) [system] l=(\)
   Fail: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091562)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2092496)
   Exit: (202) [system] peek_char((0x558d99e6bec0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_3990, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_4922, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x558d99e6bec0), i)
   Exit: (202) [system] get_char((0x558d99e6bec0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _12272)
   Call: (203) [system] peek_char((0x558d99e6bec0), _13206)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_17926, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_18858, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x558d99e6bec0), c)
   Exit: (203) [system] get_char((0x558d99e6bec0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _26208)
   Call: (204) [system] peek_char((0x558d99e6bec0), _27142)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
^  Call: (204) [user] is_delimiter(a)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] arg(_31862, v('(', ')', end_of_file), a)
   Fail: (205) [system] arg(_32794, v('(', ')', end_of_file), a)
^  Fail: (204) [user] is_delimiter(a)
   Call: (204) [system] ')'==a
   Fail: (204) [system] ')'==a
   Call: (204) [system] get_char((0x558d99e6bec0), a)
   Exit: (204) [system] get_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(\)
   Fail: (204) [system] a=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40144)
   Call: (205) [system] peek_char((0x558d99e6bec0), _41078)
   Exit: (205) [system] peek_char((0x558d99e6bec0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_45798, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_46730, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x558d99e6bec0), t)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _54080)
   Call: (206) [system] peek_char((0x558d99e6bec0), _55014)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_59734, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_60666, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68016)
   Call: (207) [system] peek_char((0x558d99e6bec0), _68950)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_73670, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_74602, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _81952)
   Call: (208) [system] peek_char((0x558d99e6bec0), _82886)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_87606, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_88538, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _95888)
   Call: (209) [system] peek_char((0x558d99e6bec0), _96822)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _95888=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _81952=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (207) [system] _68016=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (206) [system] _54080=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (205) [system] _40144=[t, i, o, n]
   Exit: (205) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (204) [system] _26208=[a, t, i, o, n]
   Exit: (204) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (203) [system] _12272=[c, a, t, i, o, n]
   Exit: (203) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (202) [system] _3552=[i, c, a, t, i, o, n]
   Exit: (202) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (201) [system] _3548=[l, i, c, a, t, i, o, n]
   Exit: (201) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (200) [system] _3544=[p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (199) [system] _3540=[m, p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _3536)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_134072, _134074), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3536), _134048, fail)), '$restore_trace'(_134072, _134074))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_134072, _134074))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3536), _134048, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_3536)
   Fail: (199) [system] atomic(_3536)
   Call: (199) [system] atom_chars(_3536, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _143448)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _145306)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _153044)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _155748)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _170826)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _176396)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _178254)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _192408)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _176396)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _197978)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (200) [system] 'O'=(;)
   Fail: (200) [system] 'O'=(;)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Fail: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Fail: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Fail: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
   Fail: (201) [system] char_type('O', cntrl)
^  Fail: (200) [user] is_like_space('O')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _212132)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (199) [system] 'O'=')'
   Fail: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
   Fail: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _217702)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _219560)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _233714)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'O')
   Call: (200) [system] 'O'='('
   Fail: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Fail: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Fail: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Fail: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Fail: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Fail: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Fail: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _217702)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _251356)
   Call: (202) [system] peek_char((0x558d99e6bec0), _252290)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_257010, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_257942, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _265292)
   Call: (203) [system] peek_char((0x558d99e6bec0), _266226)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_270946, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_271878, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (203) [system] get_char((0x558d99e6bec0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _279228)
   Call: (204) [system] peek_char((0x558d99e6bec0), _280162)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_284882, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_285814, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _293164)
   Call: (205) [system] peek_char((0x558d99e6bec0), _294098)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_298818, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_299750, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307100)
   Call: (206) [system] peek_char((0x558d99e6bec0), _308034)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_312754, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_313686, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321036)
   Call: (207) [system] peek_char((0x558d99e6bec0), _321970)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _321036=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _307100=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (205) [system] _293164=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (204) [system] _279228=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (203) [system] _265292=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (202) [system] _251356=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _217702)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_345250, _345252), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _217702), _345226, fail)), '$restore_trace'(_345250, _345252))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_345250, _345252))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _217702), _345226, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_217702)
   Fail: (202) [system] atomic(_217702)
   Call: (202) [system] atom_chars(_217702, ['O', r, 'L', i, n, k])
   Exit: (202) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _354626)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _356484)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _364222)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _366926)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _382004)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _387574)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _389432)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _403586)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _387574)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _421228)
   Call: (203) [system] peek_char((0x558d99e6bec0), _422162)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _421228=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq('C', [], _387574)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_431472, _431474), once(user:catch(read_from_chars(['C'], _387574), _431448, fail)), '$restore_trace'(_431472, _431474))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_431472, _431474))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _387574), _431448, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_387574)
   Fail: (203) [system] atomic(_387574)
   Call: (203) [system] atom_chars(_387574, ['C'])
   Exit: (203) [system] atom_chars('C', ['C'])
^  Exit: (202) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _440848)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _442706)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _450444)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _453148)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _468226)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (201) [system] 'D'=')'
   Fail: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _473796)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _475654)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _489808)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'D')
   Call: (202) [system] 'D'='('
   Fail: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Fail: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Fail: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Fail: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Fail: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Fail: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Fail: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _473796)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _507450)
   Call: (204) [system] peek_char((0x558d99e6bec0), _508384)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_513104, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _507450=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq('D', [], _473796)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_519566, _519568), once(user:catch(read_from_chars(['D'], _473796), _519542, fail)), '$restore_trace'(_519566, _519568))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_519566, _519568))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _473796), _519542, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_473796)
   Fail: (204) [system] atomic(_473796)
   Call: (204) [system] atom_chars(_473796, ['D'])
   Exit: (204) [system] atom_chars('D', ['D'])
^  Exit: (203) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _528942)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _530800)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _544954)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _548744)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _528942=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _440848=['D']
   Exit: (201) [system] ['D']=['D']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (200) [system] _354626=['C', 'D']
   Exit: (200) [system] ['C', 'D']=['C', 'D']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (199) [system] _176396=['OrLink', 'C', 'D']
   Exit: (199) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _562626)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _564484)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _572222)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _574926)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'=(;)
   Fail: (200) [system] 'E'=(;)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Fail: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Fail: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
   Fail: (201) [system] char_type('E', cntrl)
^  Fail: (200) [user] is_like_space('E')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _590004)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (198) [system] 'E'=')'
   Fail: (198) [system] 'E'=')'
   Call: (198) [system] 'E'=end_of_file
   Fail: (198) [system] 'E'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _595574)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _597432)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'=(;)
   Fail: (200) [system] 'E'=(;)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Fail: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Fail: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Fail: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
   Fail: (201) [system] char_type('E', cntrl)
^  Fail: (200) [user] is_like_space('E')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _611586)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'E')
   Call: (199) [system] 'E'='('
   Fail: (199) [system] 'E'='('
   Call: (199) [system] 'E'='['
   Fail: (199) [system] 'E'='['
   Call: (199) [system] 'E'='{'
   Fail: (199) [system] 'E'='{'
   Call: (199) [system] 'E'='"'
   Fail: (199) [system] 'E'='"'
   Call: (199) [system] 'E'=!
   Fail: (199) [system] 'E'=!
   Call: (199) [system] 'E'='\''
   Fail: (199) [system] 'E'='\''
   Call: (199) [system] 'E'='`'
   Fail: (199) [system] 'E'='`'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _595574)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _629228)
   Call: (201) [system] peek_char((0x558d99e6bec0), _630162)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_634882, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _629228=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (200) [user] classify_and_convert_charseq('E', [], _595574)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_641344, _641346), once(user:catch(read_from_chars(['E'], _595574), _641320, fail)), '$restore_trace'(_641344, _641346))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_641344, _641346))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _595574), _641320, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_595574)
   Fail: (201) [system] atomic(_595574)
   Call: (201) [system] atom_chars(_595574, ['E'])
   Exit: (201) [system] atom_chars('E', ['E'])
^  Exit: (200) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _650720)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _652578)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _666732)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _670522)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _650720=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _562626=['E']
   Exit: (198) [system] ['E']=['E']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (197) [system] _143448=[['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (196) [system] _3530=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (196) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _684404)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _686262)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _700416)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _704206)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _684404=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _3526=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _3520=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (192) [system] _3512=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (192) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _718088)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _719946)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _727684)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _730388)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _745466)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _751036)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _752894)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _767048)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _751036)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _772618)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _786772)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _792342)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _794200)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _808354)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _792342)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _825996)
   Call: (196) [system] peek_char((0x558d99e6bec0), _826930)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _825996=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _792342)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_836240, _836242), once(user:catch(read_from_chars([:], _792342), _836216, fail)), '$restore_trace'(_836240, _836242))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_836240, _836242))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _836216, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _843740)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _845598)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _853336)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _856040)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _871118)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _876688)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _878546)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _892700)
   Exit: (195) [system] get_char((0x558d99e6bec0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), a, _876688)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _910342)
   Call: (197) [system] peek_char((0x558d99e6bec0), _911276)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _910342=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(a, [], _876688)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_920586, _920588), once(user:catch(read_from_chars([a], _876688), _920562, fail)), '$restore_trace'(_920586, _920588))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_920586, _920588))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _920562, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _928086)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _929944)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _937682)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _940386)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _955464)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=')'
   Fail: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
   Fail: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _961034)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _962892)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (197) [system] 'A'=(;)
   Fail: (197) [system] 'A'=(;)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Fail: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Fail: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Fail: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
   Fail: (198) [system] char_type('A', cntrl)
^  Fail: (197) [user] is_like_space('A')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _977046)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'='('
   Fail: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Fail: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Fail: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Fail: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Fail: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Fail: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Fail: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _961034)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _994688)
   Call: (198) [system] peek_char((0x558d99e6bec0), _995622)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1000342, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _994688=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq('A', [], _961034)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1006804, _1006806), once(user:catch(read_from_chars(['A'], _961034), _1006780, fail)), '$restore_trace'(_1006804, _1006806))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1006804, _1006806))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _961034), _1006780, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_961034)
   Fail: (198) [system] atomic(_961034)
   Call: (198) [system] atom_chars(_961034, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1016180)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1018038)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1032192)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _1035982)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _1016180=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _928086=['A']
   Exit: (195) [system] ['A']=['A']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (194) [system] _843740=[a, 'A']
   Exit: (194) [system] [a, 'A']=[a, 'A']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [a, 'A'])
   Call: (193) [system] _751036=[:, a, 'A']
   Exit: (193) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, a, 'A'])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'A'])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1049864)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1051722)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1059460)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1062164)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1077242)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1082812)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1084670)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1098824)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1082812)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1104394)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1118548)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1124118)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1125976)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1140130)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _1124118)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1157772)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1158706)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1157772=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1124118)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1168016, _1168018), once(user:catch(read_from_chars([:], _1124118), _1167992, fail)), '$restore_trace'(_1168016, _1168018))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1168016, _1168018))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1167992, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1175516)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1177374)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1185112)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1187816)
   Exit: (197) [system] peek_char((0x558d99e6bec0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1202894)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1208464)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1210322)
   Exit: (197) [system] peek_char((0x558d99e6bec0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1224476)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), a, _1208464)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1242118)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1243052)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1242118=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(a, [], _1208464)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1252362, _1252364), once(user:catch(read_from_chars([a], _1208464), _1252338, fail)), '$restore_trace'(_1252362, _1252364))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1252362, _1252364))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1252338, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1259862)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1261720)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1269458)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1272162)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (198) [system] 'B'=(;)
   Fail: (198) [system] 'B'=(;)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Fail: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Fail: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Fail: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
   Fail: (199) [system] char_type('B', cntrl)
^  Fail: (198) [user] is_like_space('B')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1287240)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'=')'
   Fail: (196) [system] 'B'=')'
   Call: (196) [system] 'B'=end_of_file
   Fail: (196) [system] 'B'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1292810)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1294668)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (198) [system] 'B'=(;)
   Fail: (198) [system] 'B'=(;)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Fail: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Fail: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Fail: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
   Fail: (199) [system] char_type('B', cntrl)
^  Fail: (198) [user] is_like_space('B')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1308822)
   Exit: (197) [system] get_char((0x558d99e6bec0), 'B')
   Call: (197) [system] 'B'='('
   Fail: (197) [system] 'B'='('
   Call: (197) [system] 'B'='['
   Fail: (197) [system] 'B'='['
   Call: (197) [system] 'B'='{'
   Fail: (197) [system] 'B'='{'
   Call: (197) [system] 'B'='"'
   Fail: (197) [system] 'B'='"'
   Call: (197) [system] 'B'=!
   Fail: (197) [system] 'B'=!
   Call: (197) [system] 'B'='\''
   Fail: (197) [system] 'B'='\''
   Call: (197) [system] 'B'='`'
   Fail: (197) [system] 'B'='`'
   Call: (197) [system] 'B'=end_of_file
   Fail: (197) [system] 'B'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1292810)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1326464)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1327398)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1332118, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1326464=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq('B', [], _1292810)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1338580, _1338582), once(user:catch(read_from_chars(['B'], _1292810), _1338556, fail)), '$restore_trace'(_1338580, _1338582))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1338580, _1338582))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1292810), _1338556, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1292810)
   Fail: (199) [system] atomic(_1292810)
   Call: (199) [system] atom_chars(_1292810, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1347956)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1349814)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1363968)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1367758)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1347956=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _1259862=['B']
   Exit: (196) [system] ['B']=['B']
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (195) [system] _1175516=[a, 'B']
   Exit: (195) [system] [a, 'B']=[a, 'B']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [a, 'B'])
   Call: (194) [system] _1082812=[:, a, 'B']
   Exit: (194) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, a, 'B'])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'B'])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1381640)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1383498)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x558d99e6bec0), _1393092)
   Exit: (194) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1395796)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (195) [system] '\t'=(;)
   Fail: (195) [system] '\t'=(;)
^  Call: (195) [user] is_like_space('\t')
   Call: (196) [system] char_type('\t', 'white')
   Exit: (196) [system] char_type('\t', 'white')
^  Exit: (195) [user] is_like_space('\t')
   Call: (195) [system] get_char((0x558d99e6bec0), _1403534)
   Exit: (195) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1406238)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x558d99e6bec0), _1413976)
   Exit: (196) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1416680)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1424418)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1427122)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1444972)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1450542)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1452400)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1466554)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1450542)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1472124)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1486278)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1491848)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1493706)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1507860)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _1491848)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1525502)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1526436)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1525502=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _1491848)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1535746, _1535748), once(user:catch(read_from_chars([:], _1491848), _1535722, fail)), '$restore_trace'(_1535746, _1535748))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1535746, _1535748))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1535722, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1543246)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1545104)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1552842)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1555546)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1570624)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1576194)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1578052)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1592206)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1576194)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1597776)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1611930)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (198) [system] 'C'=')'
   Fail: (198) [system] 'C'=')'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1617500)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1619358)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1633512)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'='('
   Fail: (199) [system] 'C'='('
   Call: (199) [system] 'C'='['
   Fail: (199) [system] 'C'='['
   Call: (199) [system] 'C'='{'
   Fail: (199) [system] 'C'='{'
   Call: (199) [system] 'C'='"'
   Fail: (199) [system] 'C'='"'
   Call: (199) [system] 'C'=!
   Fail: (199) [system] 'C'=!
   Call: (199) [system] 'C'='\''
   Fail: (199) [system] 'C'='\''
   Call: (199) [system] 'C'='`'
   Fail: (199) [system] 'C'='`'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1617500)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1651154)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1652088)
   Exit: (201) [system] peek_char((0x558d99e6bec0), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Fail: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1656808, v('(', ')', end_of_file), o)
   Fail: (202) [system] arg(_1657740, v('(', ')', end_of_file), o)
^  Fail: (201) [user] is_delimiter(o)
   Call: (201) [system] ')'==o
   Fail: (201) [system] ')'==o
   Call: (201) [system] get_char((0x558d99e6bec0), o)
   Exit: (201) [system] get_char((0x558d99e6bec0), o)
   Call: (201) [system] o=(\)
   Fail: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1665090)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1666024)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1670744, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_1671676, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1679026)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1679960)
   Exit: (203) [system] peek_char((0x558d99e6bec0), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Fail: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1684680, v('(', ')', end_of_file), j)
   Fail: (204) [system] arg(_1685612, v('(', ')', end_of_file), j)
^  Fail: (203) [user] is_delimiter(j)
   Call: (203) [system] ')'==j
   Fail: (203) [system] ')'==j
   Call: (203) [system] get_char((0x558d99e6bec0), j)
   Exit: (203) [system] get_char((0x558d99e6bec0), j)
   Call: (203) [system] j=(\)
   Fail: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1692962)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1693896)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1698616, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1699548, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1706898)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1707832)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1712552, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1713484, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1720834)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1721768)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1726488, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1727420, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x558d99e6bec0), c)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1734770)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1735704)
   Exit: (207) [system] peek_char((0x558d99e6bec0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1740424, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1741356, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x558d99e6bec0), t)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1748706)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1749640)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1754360, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1755292, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1762642)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1763576)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1768296, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1769228, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1776578)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1777512)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1782232, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1783164, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1790514)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1791448)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_1796168, v('(', ')', end_of_file), 'I')
   Fail: (212) [system] arg(_1797100, v('(', ')', end_of_file), 'I')
^  Fail: (211) [user] is_delimiter('I')
   Call: (211) [system] ')'=='I'
   Fail: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=(\)
   Fail: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1804450)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1805384)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1810104, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1811036, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1818386)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1819320)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1824040, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1824972, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1832322)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1833256)
   Exit: (214) [system] peek_char((0x558d99e6bec0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1837976, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1838908, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x558d99e6bec0), r)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1846258)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1847192)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1851912, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1852844, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1860194)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1861128)
   Exit: (216) [system] peek_char((0x558d99e6bec0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1865848, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1866780, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x558d99e6bec0), d)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1874130)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1875064)
   Exit: (217) [system] peek_char((0x558d99e6bec0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1879784, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1880716, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x558d99e6bec0), u)
   Exit: (217) [system] get_char((0x558d99e6bec0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1888066)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1889000)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1893720, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1894652, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1902002)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1902936)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1907656, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1908588, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1915938)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1916872)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1921592, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1922524, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1929874)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1930808)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1935528, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1936460, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1943810)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1944744)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1949464, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1950396, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1957746)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1958680)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1957746=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1943810=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (221) [system] _1929874=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (220) [system] _1915938=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (219) [system] _1902002=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (218) [system] _1888066=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (217) [system] _1874130=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (216) [system] _1860194=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (215) [system] _1846258=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _1832322=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1818386=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1804450=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1790514=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1776578=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1762642=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1748706=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1734770=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1720834=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1706898=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1692962=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _1679026=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _1665090=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _1651154=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1617500)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_2029458, _2029460), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1617500), _2029434, fail)), '$restore_trace'(_2029458, _2029460))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_2029458, _2029460))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1617500), _2029434, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1617500)
   Fail: (201) [system] atomic(_1617500)
   Call: (201) [system] atom_chars(_1617500, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (201) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _2038834)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2040692)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _2048430)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2051134)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2066212)
   Exit: (199) [system] peek_char((0x558d99e6bec0), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _2071782)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2073640)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _2087794)
   Exit: (200) [system] get_char((0x558d99e6bec0), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), a, _3644)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _12360)
   Call: (202) [system] peek_char((0x558d99e6bec0), _13294)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_18014, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_18946, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _26296)
   Call: (203) [system] peek_char((0x558d99e6bec0), _27230)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_31950, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_32882, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x558d99e6bec0), c)
   Exit: (203) [system] get_char((0x558d99e6bec0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40232)
   Call: (204) [system] peek_char((0x558d99e6bec0), _41166)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _40232=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _26296=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (202) [system] _12360=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (201) [user] classify_and_convert_charseq(a, [b, c], _3644)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_56064, _56066), once(user:catch(read_from_chars([a, b, c], _3644), _56040, fail)), '$restore_trace'(_56064, _56066))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_56064, _56066))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _56040, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(abc)
   Exit: (202) [system] atomic(abc)
^  Exit: (201) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _63564)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _65422)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _73160)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _75864)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _90942)
   Exit: (200) [system] peek_char((0x558d99e6bec0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _96512)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _98370)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _112524)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, _96512)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _130166)
   Call: (203) [system] peek_char((0x558d99e6bec0), _131100)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_135820, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_136752, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _144102)
   Call: (204) [system] peek_char((0x558d99e6bec0), _145036)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_149756, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_150688, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _158038)
   Call: (205) [system] peek_char((0x558d99e6bec0), _158972)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_163692, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _158038=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _144102=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (203) [system] _130166=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _96512)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_175742, _175744), once(user:catch(read_from_chars([a, b, c], _96512), _175718, fail)), '$restore_trace'(_175742, _175744))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_175742, _175744))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _175718, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _183242)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _185100)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _199254)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _203044)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _183242=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _63564=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (199) [system] _3640=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [abc, abc])
   Call: (198) [system] _3632=['ConjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _216926)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _218784)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _226522)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _229226)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _244304)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _249874)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _251732)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _265886)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _249874)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _271456)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _285610)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _291180)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _293038)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _307192)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _291180)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324834)
   Call: (202) [system] peek_char((0x558d99e6bec0), _325768)
   Exit: (202) [system] peek_char((0x558d99e6bec0), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Fail: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_330488, v('(', ')', end_of_file), n)
   Fail: (203) [system] arg(_331420, v('(', ')', end_of_file), n)
^  Fail: (202) [user] is_delimiter(n)
   Call: (202) [system] ')'==n
   Fail: (202) [system] ')'==n
   Call: (202) [system] get_char((0x558d99e6bec0), n)
   Exit: (202) [system] get_char((0x558d99e6bec0), n)
   Call: (202) [system] n=(\)
   Fail: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338770)
   Call: (203) [system] peek_char((0x558d99e6bec0), _339704)
   Exit: (203) [system] peek_char((0x558d99e6bec0), d)
^  Call: (203) [user] is_delimiter(d)
   Call: (204) [system] char_type(d, space)
   Fail: (204) [system] char_type(d, space)
   Call: (204) [system] arg(_344424, v('(', ')', end_of_file), d)
   Fail: (204) [system] arg(_345356, v('(', ')', end_of_file), d)
^  Fail: (203) [user] is_delimiter(d)
   Call: (203) [system] ')'==d
   Fail: (203) [system] ')'==d
   Call: (203) [system] get_char((0x558d99e6bec0), d)
   Exit: (203) [system] get_char((0x558d99e6bec0), d)
   Call: (203) [system] d=(\)
   Fail: (203) [system] d=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352706)
   Call: (204) [system] peek_char((0x558d99e6bec0), _353640)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_358360, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_359292, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (204) [system] get_char((0x558d99e6bec0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366642)
   Call: (205) [system] peek_char((0x558d99e6bec0), _367576)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_372296, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_373228, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _380578)
   Call: (206) [system] peek_char((0x558d99e6bec0), _381512)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_386232, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_387164, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _394514)
   Call: (207) [system] peek_char((0x558d99e6bec0), _395448)
   Exit: (207) [system] peek_char((0x558d99e6bec0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_400168, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_401100, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x558d99e6bec0), k)
   Exit: (207) [system] get_char((0x558d99e6bec0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _408450)
   Call: (208) [system] peek_char((0x558d99e6bec0), _409384)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _408450=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _394514=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (206) [system] _380578=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (205) [system] _366642=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (204) [system] _352706=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (203) [system] _338770=[d, 'L', i, n, k]
   Exit: (203) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (202) [system] _324834=[n, d, 'L', i, n, k]
   Exit: (202) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _291180)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_435458, _435460), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _291180), _435434, fail)), '$restore_trace'(_435458, _435460))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_435458, _435460))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _291180), _435434, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_291180)
   Fail: (202) [system] atomic(_291180)
   Call: (202) [system] atom_chars(_291180, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _444834)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _446692)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _454430)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _457134)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _472212)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _477782)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _479640)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _493794)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _477782)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _499364)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _513518)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (202) [system] 'I'=')'
   Fail: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _519088)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _520946)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _535100)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'='('
   Fail: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Fail: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Fail: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Fail: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Fail: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Fail: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Fail: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _519088)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _552742)
   Call: (205) [system] peek_char((0x558d99e6bec0), _553676)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_558396, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_559328, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _566678)
   Call: (206) [system] peek_char((0x558d99e6bec0), _567612)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_572332, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_573264, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _580614)
   Call: (207) [system] peek_char((0x558d99e6bec0), _581548)
   Exit: (207) [system] peek_char((0x558d99e6bec0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_586268, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_587200, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x558d99e6bec0), l)
   Exit: (207) [system] get_char((0x558d99e6bec0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _594550)
   Call: (208) [system] peek_char((0x558d99e6bec0), _595484)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_600204, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_601136, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _608486)
   Call: (209) [system] peek_char((0x558d99e6bec0), _609420)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_614140, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_615072, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x558d99e6bec0), c)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _622422)
   Call: (210) [system] peek_char((0x558d99e6bec0), _623356)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_628076, v('(', ')', end_of_file), a)
   Fail: (211) [system] arg(_629008, v('(', ')', end_of_file), a)
^  Fail: (210) [user] is_delimiter(a)
   Call: (210) [system] ')'==a
   Fail: (210) [system] ')'==a
   Call: (210) [system] get_char((0x558d99e6bec0), a)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(\)
   Fail: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _636358)
   Call: (211) [system] peek_char((0x558d99e6bec0), _637292)
   Exit: (211) [system] peek_char((0x558d99e6bec0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_642012, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_642944, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x558d99e6bec0), t)
   Exit: (211) [system] get_char((0x558d99e6bec0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _650294)
   Call: (212) [system] peek_char((0x558d99e6bec0), _651228)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_655948, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_656880, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _664230)
   Call: (213) [system] peek_char((0x558d99e6bec0), _665164)
   Exit: (213) [system] peek_char((0x558d99e6bec0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_669884, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_670816, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x558d99e6bec0), o)
   Exit: (213) [system] get_char((0x558d99e6bec0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _678166)
   Call: (214) [system] peek_char((0x558d99e6bec0), _679100)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_683820, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_684752, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692102)
   Call: (215) [system] peek_char((0x558d99e6bec0), _693036)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _692102=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _678166=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (213) [system] _664230=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (212) [system] _650294=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (211) [system] _636358=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (210) [system] _622422=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (209) [system] _608486=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (208) [system] _594550=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (207) [system] _580614=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _566678=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _552742=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _519088)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_730286, _730288), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _519088), _730262, fail)), '$restore_trace'(_730286, _730288))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_730286, _730288))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _519088), _730262, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_519088)
   Fail: (205) [system] atomic(_519088)
   Call: (205) [system] atom_chars(_519088, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (205) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _739662)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _741520)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _749258)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _751962)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _767040)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _772610)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _774468)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _788622)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _772610)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _794192)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _808346)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _813916)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _815774)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _829928)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _813916)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _847570)
   Call: (208) [system] peek_char((0x558d99e6bec0), _848504)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_853224, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_854156, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861506)
   Call: (209) [system] peek_char((0x558d99e6bec0), _862440)
   Exit: (209) [system] peek_char((0x558d99e6bec0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_867160, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_868092, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x558d99e6bec0), d)
   Exit: (209) [system] get_char((0x558d99e6bec0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875442)
   Call: (210) [system] peek_char((0x558d99e6bec0), _876376)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_881096, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_882028, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (210) [system] get_char((0x558d99e6bec0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889378)
   Call: (211) [system] peek_char((0x558d99e6bec0), _890312)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_895032, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_895964, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _903314)
   Call: (212) [system] peek_char((0x558d99e6bec0), _904248)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_908968, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_909900, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _917250)
   Call: (213) [system] peek_char((0x558d99e6bec0), _918184)
   Exit: (213) [system] peek_char((0x558d99e6bec0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_922904, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_923836, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x558d99e6bec0), k)
   Exit: (213) [system] get_char((0x558d99e6bec0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _931186)
   Call: (214) [system] peek_char((0x558d99e6bec0), _932120)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _931186=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _917250=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (212) [system] _903314=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (211) [system] _889378=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (210) [system] _875442=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (209) [system] _861506=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (208) [system] _847570=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _813916)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_958194, _958196), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _813916), _958170, fail)), '$restore_trace'(_958194, _958196))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_958194, _958196))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _813916), _958170, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_813916)
   Fail: (208) [system] atomic(_813916)
   Call: (208) [system] atom_chars(_813916, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _967570)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _969428)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _977166)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _979870)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _994948)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1000518)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1002376)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1016530)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1000518)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1034172)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1035106)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1034172=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq('A', [], _1000518)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1044416, _1044418), once(user:catch(read_from_chars(['A'], _1000518), _1044392, fail)), '$restore_trace'(_1044416, _1044418))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1044416, _1044418))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1000518), _1044392, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1000518)
   Fail: (209) [system] atomic(_1000518)
   Call: (209) [system] atom_chars(_1000518, ['A'])
   Exit: (209) [system] atom_chars('A', ['A'])
^  Exit: (208) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1053792)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1055650)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1063388)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1066092)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1081170)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (207) [system] 'B'=')'
   Fail: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1086740)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1088598)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1102752)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'='('
   Fail: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Fail: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Fail: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Fail: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Fail: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Fail: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Fail: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1086740)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1120394)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1121328)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1126048, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1120394=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('B', [], _1086740)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1132510, _1132512), once(user:catch(read_from_chars(['B'], _1086740), _1132486, fail)), '$restore_trace'(_1132510, _1132512))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1132510, _1132512))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1086740), _1132486, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1086740)
   Fail: (210) [system] atomic(_1086740)
   Call: (210) [system] atom_chars(_1086740, ['B'])
   Exit: (210) [system] atom_chars('B', ['B'])
^  Exit: (209) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1141886)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1143744)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1157898)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _1161688)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _1141886=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1053792=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (206) [system] _967570=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (205) [system] _772610=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1175570)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1177428)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1185166)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1187870)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1202948)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1208518)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1210376)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1224530)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1208518)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1242172)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1243106)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1247826, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1242172=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (206) [user] classify_and_convert_charseq('C', [], _1208518)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1254288, _1254290), once(user:catch(read_from_chars(['C'], _1208518), _1254264, fail)), '$restore_trace'(_1254288, _1254290))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1254288, _1254290))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1208518), _1254264, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1208518)
   Fail: (207) [system] atomic(_1208518)
   Call: (207) [system] atom_chars(_1208518, ['C'])
   Exit: (207) [system] atom_chars('C', ['C'])
^  Exit: (206) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1263664)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1265522)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1279676)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _1283466)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _1263664=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1175570=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (203) [system] _739662=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _477782=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1297348)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1299206)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1306944)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1309648)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1324726)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1330296)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1332154)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1346308)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1330296)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1351878)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1366032)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1371602)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1373460)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1387614)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1371602)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405256)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1406190)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1410910, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1411842, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419192)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1420126)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1424846, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1425778, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1433128)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1434062)
   Exit: (208) [system] peek_char((0x558d99e6bec0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1438782, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1439714, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x558d99e6bec0), l)
   Exit: (208) [system] get_char((0x558d99e6bec0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1447064)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1447998)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1452718, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1453650, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1461000)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1461934)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1466654, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1467586, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1474936)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1475870)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1480590, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1481522, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x558d99e6bec0), a)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1488872)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1489806)
   Exit: (212) [system] peek_char((0x558d99e6bec0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1494526, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1495458, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x558d99e6bec0), t)
   Exit: (212) [system] get_char((0x558d99e6bec0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1502808)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1503742)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1508462, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1509394, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1516744)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1517678)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1522398, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1523330, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1530680)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1531614)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1536334, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1537266, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1544616)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1545550)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1544616=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1530680=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (214) [system] _1516744=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (213) [system] _1502808=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (212) [system] _1488872=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (211) [system] _1474936=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (210) [system] _1461000=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (209) [system] _1447064=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (208) [system] _1433128=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1419192=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1405256=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1371602)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1582800, _1582802), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1371602), _1582776, fail)), '$restore_trace'(_1582800, _1582802))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1582800, _1582802))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1371602), _1582776, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1371602)
   Fail: (206) [system] atomic(_1371602)
   Call: (206) [system] atom_chars(_1371602, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1592176)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1594034)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1601772)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1604476)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1619554)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1625124)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1626982)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1641136)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1625124)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1646706)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1660860)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1666430)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1668288)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1682442)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1666430)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1700084)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1701018)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1705738, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1706670, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1714020)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1714954)
   Exit: (210) [system] peek_char((0x558d99e6bec0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1719674, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1720606, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x558d99e6bec0), d)
   Exit: (210) [system] get_char((0x558d99e6bec0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1727956)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1728890)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1733610, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1734542, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1741892)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1742826)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1747546, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1748478, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1755828)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1756762)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1761482, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1762414, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1769764)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1770698)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1775418, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1776350, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1783700)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1784634)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1783700=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1769764=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _1755828=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _1741892=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _1727956=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _1714020=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (209) [system] _1700084=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1666430)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1810708, _1810710), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1666430), _1810684, fail)), '$restore_trace'(_1810708, _1810710))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1810708, _1810710))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1666430), _1810684, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1666430)
   Fail: (209) [system] atomic(_1666430)
   Call: (209) [system] atom_chars(_1666430, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1820084)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1821942)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1829680)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1832384)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1847462)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1853032)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1854890)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1869044)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1853032)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1886686)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1887620)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1886686=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _1853032)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1896930, _1896932), once(user:catch(read_from_chars(['A'], _1853032), _1896906, fail)), '$restore_trace'(_1896930, _1896932))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1896930, _1896932))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1853032), _1896906, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1853032)
   Fail: (210) [system] atomic(_1853032)
   Call: (210) [system] atom_chars(_1853032, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1906306)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1908164)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1915902)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1918606)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1933684)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1939254)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1941112)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1955266)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1939254)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1972908)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1973842)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1978562, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1972908=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _1939254)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1985024, _1985026), once(user:catch(read_from_chars(['B'], _1939254), _1985000, fail)), '$restore_trace'(_1985024, _1985026))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1985024, _1985026))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1939254), _1985000, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1939254)
   Fail: (211) [system] atomic(_1939254)
   Call: (211) [system] atom_chars(_1939254, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1994400)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1996258)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _2010412)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _2014202)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1994400=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1906306=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (207) [system] _1820084=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (206) [system] _1625124=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _2028084)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _2029942)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _2037680)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2040384)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _2055462)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _2061032)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2062890)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _2077044)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _2061032)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2094686)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2095620)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_7288, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _3750=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _3746)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_13750, _13752), once(user:catch(read_from_chars(['C'], _3746), _13726, fail)), '$restore_trace'(_13750, _13752))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_13750, _13752))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _3746), _13726, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_3746)
   Fail: (208) [system] atomic(_3746)
   Call: (208) [system] atom_chars(_3746, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _23126)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _24984)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _39138)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _42928)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _23126=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _3742=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (204) [system] _3718=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3710=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _56810)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _58668)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _72822)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _76612)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _56810=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _3706=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3664=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3656=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _90494)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _92352)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _106506)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _110296)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _90494=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _3652=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3628=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3620=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _124178)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _126036)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x558d99e6bec0), _135630)
   Exit: (195) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _138334)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (196) [system] '\t'=(;)
   Fail: (196) [system] '\t'=(;)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x558d99e6bec0), _146072)
   Exit: (196) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _148776)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x558d99e6bec0), _156514)
   Exit: (197) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _159218)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _166956)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _169660)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _187510)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _193080)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _194938)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _209092)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _193080)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _214662)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _228816)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _234386)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _236244)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _250398)
   Exit: (197) [system] get_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, _234386)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _268040)
   Call: (199) [system] peek_char((0x558d99e6bec0), _268974)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _268040=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _234386)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_278284, _278286), once(user:catch(read_from_chars([:], _234386), _278260, fail)), '$restore_trace'(_278284, _278286))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_278284, _278286))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _278260, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _285784)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _287642)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _295380)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _298084)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _313162)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _318732)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _320590)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _334744)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _318732)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _340314)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (200) [system] 'C'=(;)
   Fail: (200) [system] 'C'=(;)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Fail: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Fail: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Fail: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
   Fail: (201) [system] char_type('C', cntrl)
^  Fail: (200) [user] is_like_space('C')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _354468)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _360038)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _361896)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _376050)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _360038)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _393692)
   Call: (202) [system] peek_char((0x558d99e6bec0), _394626)
   Exit: (202) [system] peek_char((0x558d99e6bec0), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Fail: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_399346, v('(', ')', end_of_file), o)
   Fail: (203) [system] arg(_400278, v('(', ')', end_of_file), o)
^  Fail: (202) [user] is_delimiter(o)
   Call: (202) [system] ')'==o
   Fail: (202) [system] ')'==o
   Call: (202) [system] get_char((0x558d99e6bec0), o)
   Exit: (202) [system] get_char((0x558d99e6bec0), o)
   Call: (202) [system] o=(\)
   Fail: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _407628)
   Call: (203) [system] peek_char((0x558d99e6bec0), _408562)
   Exit: (203) [system] peek_char((0x558d99e6bec0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_413282, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_414214, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x558d99e6bec0), n)
   Exit: (203) [system] get_char((0x558d99e6bec0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _421564)
   Call: (204) [system] peek_char((0x558d99e6bec0), _422498)
   Exit: (204) [system] peek_char((0x558d99e6bec0), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_427218, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_428150, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x558d99e6bec0), j)
   Exit: (204) [system] get_char((0x558d99e6bec0), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _435500)
   Call: (205) [system] peek_char((0x558d99e6bec0), _436434)
   Exit: (205) [system] peek_char((0x558d99e6bec0), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_441154, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_442086, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x558d99e6bec0), u)
   Exit: (205) [system] get_char((0x558d99e6bec0), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _449436)
   Call: (206) [system] peek_char((0x558d99e6bec0), _450370)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_455090, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_456022, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _463372)
   Call: (207) [system] peek_char((0x558d99e6bec0), _464306)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_469026, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_469958, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x558d99e6bec0), c)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _477308)
   Call: (208) [system] peek_char((0x558d99e6bec0), _478242)
   Exit: (208) [system] peek_char((0x558d99e6bec0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_482962, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_483894, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x558d99e6bec0), t)
   Exit: (208) [system] get_char((0x558d99e6bec0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _491244)
   Call: (209) [system] peek_char((0x558d99e6bec0), _492178)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_496898, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_497830, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _505180)
   Call: (210) [system] peek_char((0x558d99e6bec0), _506114)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_510834, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_511766, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _519116)
   Call: (211) [system] peek_char((0x558d99e6bec0), _520050)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_524770, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_525702, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _533052)
   Call: (212) [system] peek_char((0x558d99e6bec0), _533986)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_538706, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_539638, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _546988)
   Call: (213) [system] peek_char((0x558d99e6bec0), _547922)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_552642, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_553574, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _560924)
   Call: (214) [system] peek_char((0x558d99e6bec0), _561858)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_566578, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_567510, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _574860)
   Call: (215) [system] peek_char((0x558d99e6bec0), _575794)
   Exit: (215) [system] peek_char((0x558d99e6bec0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_580514, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_581446, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x558d99e6bec0), r)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _588796)
   Call: (216) [system] peek_char((0x558d99e6bec0), _589730)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_594450, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_595382, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _602732)
   Call: (217) [system] peek_char((0x558d99e6bec0), _603666)
   Exit: (217) [system] peek_char((0x558d99e6bec0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_608386, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_609318, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x558d99e6bec0), d)
   Exit: (217) [system] get_char((0x558d99e6bec0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _616668)
   Call: (218) [system] peek_char((0x558d99e6bec0), _617602)
   Exit: (218) [system] peek_char((0x558d99e6bec0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_622322, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_623254, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x558d99e6bec0), u)
   Exit: (218) [system] get_char((0x558d99e6bec0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _630604)
   Call: (219) [system] peek_char((0x558d99e6bec0), _631538)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_636258, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_637190, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _644540)
   Call: (220) [system] peek_char((0x558d99e6bec0), _645474)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_650194, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_651126, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _658476)
   Call: (221) [system] peek_char((0x558d99e6bec0), _659410)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_664130, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_665062, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _672412)
   Call: (222) [system] peek_char((0x558d99e6bec0), _673346)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_678066, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_678998, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _686348)
   Call: (223) [system] peek_char((0x558d99e6bec0), _687282)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_692002, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_692934, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _700284)
   Call: (224) [system] peek_char((0x558d99e6bec0), _701218)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _700284=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _686348=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (222) [system] _672412=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (221) [system] _658476=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (220) [system] _644540=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (219) [system] _630604=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (218) [system] _616668=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (217) [system] _602732=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (216) [system] _588796=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _574860=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _560924=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _546988=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _533052=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _519116=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _505180=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _491244=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _477308=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _463372=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _449436=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _435500=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _421564=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _407628=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _393692=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _360038)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_771996, _771998), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _360038), _771972, fail)), '$restore_trace'(_771996, _771998))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_771996, _771998))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _360038), _771972, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_360038)
   Fail: (202) [system] atomic(_360038)
   Call: (202) [system] atom_chars(_360038, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _781372)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _783230)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _790968)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _793672)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _808750)
   Exit: (200) [system] peek_char((0x558d99e6bec0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _814320)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _816178)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _830332)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, _814320)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _847974)
   Call: (203) [system] peek_char((0x558d99e6bec0), _848908)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_853628, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_854560, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861910)
   Call: (204) [system] peek_char((0x558d99e6bec0), _862844)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_867564, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_868496, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875846)
   Call: (205) [system] peek_char((0x558d99e6bec0), _876780)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _875846=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _861910=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (203) [system] _847974=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _814320)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_891678, _891680), once(user:catch(read_from_chars([a, b, c], _814320), _891654, fail)), '$restore_trace'(_891678, _891680))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_891678, _891680))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _891654, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _899178)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _901036)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _908774)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _911478)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
   Call: (203) [system] c=(;)
   Fail: (203) [system] c=(;)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Fail: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Fail: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
   Fail: (204) [system] char_type(c, cntrl)
^  Fail: (203) [user] is_like_space(c)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _926556)
   Exit: (201) [system] peek_char((0x558d99e6bec0), c)
   Call: (201) [system] c=')'
   Fail: (201) [system] c=')'
   Call: (201) [system] c=end_of_file
   Fail: (201) [system] c=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _932126)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _933984)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
   Call: (203) [system] c=(;)
   Fail: (203) [system] c=(;)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Fail: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Fail: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
   Fail: (204) [system] char_type(c, cntrl)
^  Fail: (203) [user] is_like_space(c)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _948138)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c='('
   Fail: (202) [system] c='('
   Call: (202) [system] c='['
   Fail: (202) [system] c='['
   Call: (202) [system] c='{'
   Fail: (202) [system] c='{'
   Call: (202) [system] c='"'
   Fail: (202) [system] c='"'
   Call: (202) [system] c=!
   Fail: (202) [system] c=!
   Call: (202) [system] c='\''
   Fail: (202) [system] c='\''
   Call: (202) [system] c='`'
   Fail: (202) [system] c='`'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), c, _932126)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _965780)
   Call: (204) [system] peek_char((0x558d99e6bec0), _966714)
   Exit: (204) [system] peek_char((0x558d99e6bec0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_971434, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_972366, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x558d99e6bec0), d)
   Exit: (204) [system] get_char((0x558d99e6bec0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _979716)
   Call: (205) [system] peek_char((0x558d99e6bec0), _980650)
   Exit: (205) [system] peek_char((0x558d99e6bec0), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Fail: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_985370, v('(', ')', end_of_file), e)
   Fail: (206) [system] arg(_986302, v('(', ')', end_of_file), e)
^  Fail: (205) [user] is_delimiter(e)
   Call: (205) [system] ')'==e
   Fail: (205) [system] ')'==e
   Call: (205) [system] get_char((0x558d99e6bec0), e)
   Exit: (205) [system] get_char((0x558d99e6bec0), e)
   Call: (205) [system] e=(\)
   Fail: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _993652)
   Call: (206) [system] peek_char((0x558d99e6bec0), _994586)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_999306, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _993652=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _979716=[e]
   Exit: (205) [system] [e]=[e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (204) [system] _965780=[d, e]
   Exit: (204) [system] [d, e]=[d, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (203) [user] classify_and_convert_charseq(c, [d, e], _932126)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1011356, _1011358), once(user:catch(read_from_chars([c, d, e], _932126), _1011332, fail)), '$restore_trace'(_1011356, _1011358))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1011356, _1011358))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1011332, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(cde)
   Exit: (204) [system] atomic(cde)
^  Exit: (203) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1018856)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1020714)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1034868)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1038658)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1018856=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _899178=[cde]
   Exit: (201) [system] [cde]=[cde]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (200) [system] _781372=[abc, cde]
   Exit: (200) [system] [abc, cde]=[abc, cde]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [abc, cde])
   Call: (199) [system] _318732=['ConjunctionIntroduction', abc, cde]
   Exit: (199) [system] ['ConjunctionIntroduction', abc, cde]=['ConjunctionIntroduction', abc, cde]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, cde])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, cde])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1052540)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1054398)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1062136)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1064840)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1079918)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1085488)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1087346)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1101500)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1085488)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1107070)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1121224)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1126794)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1128652)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1142806)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1126794)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1160448)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1161382)
   Exit: (203) [system] peek_char((0x558d99e6bec0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1166102, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_1167034, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x558d99e6bec0), n)
   Exit: (203) [system] get_char((0x558d99e6bec0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1174384)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1175318)
   Exit: (204) [system] peek_char((0x558d99e6bec0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_1180038, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_1180970, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x558d99e6bec0), d)
   Exit: (204) [system] get_char((0x558d99e6bec0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1188320)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1189254)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1193974, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1194906, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (205) [system] get_char((0x558d99e6bec0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1202256)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1203190)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1207910, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1208842, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1216192)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1217126)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1221846, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1222778, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1230128)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1231062)
   Exit: (208) [system] peek_char((0x558d99e6bec0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1235782, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1236714, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x558d99e6bec0), k)
   Exit: (208) [system] get_char((0x558d99e6bec0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1244064)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1244998)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1244064=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1230128=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (207) [system] _1216192=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (206) [system] _1202256=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (205) [system] _1188320=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (204) [system] _1174384=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (203) [system] _1160448=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1126794)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1271072, _1271074), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1126794), _1271048, fail)), '$restore_trace'(_1271072, _1271074))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1271072, _1271074))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1126794), _1271048, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1126794)
   Fail: (203) [system] atomic(_1126794)
   Call: (203) [system] atom_chars(_1126794, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1280448)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1282306)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1290044)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1292748)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1307826)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1313396)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1315254)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1329408)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1313396)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1334978)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1349132)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1354702)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1356560)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1370714)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1354702)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1388356)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1389290)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1394010, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_1394942, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1402292)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1403226)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1407946, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_1408878, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1416228)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1417162)
   Exit: (208) [system] peek_char((0x558d99e6bec0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1421882, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_1422814, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x558d99e6bec0), l)
   Exit: (208) [system] get_char((0x558d99e6bec0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1430164)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1431098)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1435818, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1436750, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444100)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1445034)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1449754, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1450686, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1458036)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1458970)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1463690, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1464622, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x558d99e6bec0), a)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1471972)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1472906)
   Exit: (212) [system] peek_char((0x558d99e6bec0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1477626, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1478558, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x558d99e6bec0), t)
   Exit: (212) [system] get_char((0x558d99e6bec0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1485908)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1486842)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1491562, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1492494, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1499844)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1500778)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1505498, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1506430, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1513780)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1514714)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1519434, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1520366, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1527716)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1528650)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1527716=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1513780=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (214) [system] _1499844=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (213) [system] _1485908=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (212) [system] _1471972=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (211) [system] _1458036=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (210) [system] _1444100=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (209) [system] _1430164=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (208) [system] _1416228=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1402292=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1388356=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1354702)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1565900, _1565902), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1354702), _1565876, fail)), '$restore_trace'(_1565900, _1565902))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1565900, _1565902))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1354702), _1565876, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1354702)
   Fail: (206) [system] atomic(_1354702)
   Call: (206) [system] atom_chars(_1354702, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1575276)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1577134)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1584872)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1587576)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1602654)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1608224)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1610082)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1624236)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1608224)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1629806)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1643960)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1649530)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1651388)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1665542)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1649530)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1683184)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1684118)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1688838, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1689770, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1697120)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1698054)
   Exit: (210) [system] peek_char((0x558d99e6bec0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1702774, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1703706, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x558d99e6bec0), d)
   Exit: (210) [system] get_char((0x558d99e6bec0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711056)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1711990)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1716710, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1717642, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724992)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1725926)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1730646, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1731578, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738928)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1739862)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1744582, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1745514, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752864)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1753798)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1758518, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1759450, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766800)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1767734)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1766800=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1752864=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _1738928=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _1724992=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _1711056=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _1697120=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (209) [system] _1683184=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1649530)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1793808, _1793810), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1649530), _1793784, fail)), '$restore_trace'(_1793808, _1793810))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1793808, _1793810))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1649530), _1793784, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1649530)
   Fail: (209) [system] atomic(_1649530)
   Call: (209) [system] atom_chars(_1649530, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1803184)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1805042)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1812780)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1815484)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1830562)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1836132)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1837990)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1852144)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1836132)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1869786)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1870720)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1869786=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _1836132)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1880030, _1880032), once(user:catch(read_from_chars(['A'], _1836132), _1880006, fail)), '$restore_trace'(_1880030, _1880032))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1880030, _1880032))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1836132), _1880006, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1836132)
   Fail: (210) [system] atomic(_1836132)
   Call: (210) [system] atom_chars(_1836132, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1889406)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1891264)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1899002)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1901706)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1916784)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1922354)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1924212)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1938366)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1922354)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1956008)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1956942)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1961662, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1956008=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _1922354)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1968124, _1968126), once(user:catch(read_from_chars(['B'], _1922354), _1968100, fail)), '$restore_trace'(_1968124, _1968126))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1968124, _1968126))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1922354), _1968100, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1922354)
   Fail: (211) [system] atomic(_1922354)
   Call: (211) [system] atom_chars(_1922354, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1977500)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1979358)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1993512)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1997302)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1977500=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1889406=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (207) [system] _1803184=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (206) [system] _1608224=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _2011184)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _2013042)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _2020780)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2023484)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _2038562)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _2044132)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2045990)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _2060144)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _2044132)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077786)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2078720)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_2083440, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _2077786=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _2044132)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_2089902, _2089904), once(user:catch(read_from_chars(['C'], _2044132), _2089878, fail)), '$restore_trace'(_2089902, _2089904))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_2089902, _2089904))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2044132), _2089878, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_2044132)
   Fail: (208) [system] atomic(_2044132)
   Call: (208) [system] atom_chars(_2044132, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _6312)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _8170)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _22324)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _26114)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _6312=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _3832=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (204) [system] _3808=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3800=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _39996)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _41854)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _49592)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _52296)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _67374)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _72944)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _74802)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _88956)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _72944)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _94526)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _108680)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _114250)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _116108)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _130262)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _114250)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _147904)
   Call: (207) [system] peek_char((0x558d99e6bec0), _148838)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_153558, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_154490, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _161840)
   Call: (208) [system] peek_char((0x558d99e6bec0), _162774)
   Exit: (208) [system] peek_char((0x558d99e6bec0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_167494, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_168426, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x558d99e6bec0), p)
   Exit: (208) [system] get_char((0x558d99e6bec0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _175776)
   Call: (209) [system] peek_char((0x558d99e6bec0), _176710)
   Exit: (209) [system] peek_char((0x558d99e6bec0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_181430, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_182362, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x558d99e6bec0), l)
   Exit: (209) [system] get_char((0x558d99e6bec0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _189712)
   Call: (210) [system] peek_char((0x558d99e6bec0), _190646)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_195366, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_196298, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _203648)
   Call: (211) [system] peek_char((0x558d99e6bec0), _204582)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_209302, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_210234, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _217584)
   Call: (212) [system] peek_char((0x558d99e6bec0), _218518)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_223238, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_224170, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x558d99e6bec0), a)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _231520)
   Call: (213) [system] peek_char((0x558d99e6bec0), _232454)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_237174, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_238106, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _245456)
   Call: (214) [system] peek_char((0x558d99e6bec0), _246390)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_251110, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_252042, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _259392)
   Call: (215) [system] peek_char((0x558d99e6bec0), _260326)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_265046, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_265978, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _273328)
   Call: (216) [system] peek_char((0x558d99e6bec0), _274262)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_278982, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_279914, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _287264)
   Call: (217) [system] peek_char((0x558d99e6bec0), _288198)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _287264=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _273328=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (215) [system] _259392=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (214) [system] _245456=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (213) [system] _231520=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (212) [system] _217584=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (211) [system] _203648=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (210) [system] _189712=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (209) [system] _175776=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _161840=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _147904=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _114250)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_325448, _325450), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _114250), _325424, fail)), '$restore_trace'(_325448, _325450))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_325448, _325450))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _114250), _325424, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_114250)
   Fail: (207) [system] atomic(_114250)
   Call: (207) [system] atom_chars(_114250, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _334824)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _336682)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _344420)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _347124)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _362202)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _367772)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _369630)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _383784)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _367772)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _389354)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _403508)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _409078)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _410936)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _425090)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _409078)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _442732)
   Call: (210) [system] peek_char((0x558d99e6bec0), _443666)
   Exit: (210) [system] peek_char((0x558d99e6bec0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_448386, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_449318, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x558d99e6bec0), r)
   Exit: (210) [system] get_char((0x558d99e6bec0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _456668)
   Call: (211) [system] peek_char((0x558d99e6bec0), _457602)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_462322, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_463254, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _470604)
   Call: (212) [system] peek_char((0x558d99e6bec0), _471538)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_476258, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_477190, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _484540)
   Call: (213) [system] peek_char((0x558d99e6bec0), _485474)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_490194, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_491126, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _498476)
   Call: (214) [system] peek_char((0x558d99e6bec0), _499410)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_504130, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_505062, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _512412)
   Call: (215) [system] peek_char((0x558d99e6bec0), _513346)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _512412=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _498476=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _484540=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _470604=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _456668=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _442732=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _409078)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_536626, _536628), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _409078), _536602, fail)), '$restore_trace'(_536626, _536628))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_536626, _536628))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _409078), _536602, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_409078)
   Fail: (210) [system] atomic(_409078)
   Call: (210) [system] atom_chars(_409078, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _546002)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _547860)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _555598)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _558302)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _573380)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _578950)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _580808)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _594962)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _578950)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _612604)
   Call: (211) [system] peek_char((0x558d99e6bec0), _613538)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _612604=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('C', [], _578950)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_622848, _622850), once(user:catch(read_from_chars(['C'], _578950), _622824, fail)), '$restore_trace'(_622848, _622850))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_622848, _622850))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _578950), _622824, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_578950)
   Fail: (211) [system] atomic(_578950)
   Call: (211) [system] atom_chars(_578950, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _632224)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _634082)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _641820)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _644524)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _659602)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _665172)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _667030)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _681184)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _665172)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _698826)
   Call: (212) [system] peek_char((0x558d99e6bec0), _699760)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_704480, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _698826=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('D', [], _665172)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_710942, _710944), once(user:catch(read_from_chars(['D'], _665172), _710918, fail)), '$restore_trace'(_710942, _710944))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_710942, _710944))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _665172), _710918, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_665172)
   Fail: (212) [system] atomic(_665172)
   Call: (212) [system] atom_chars(_665172, ['D'])
   Exit: (212) [system] atom_chars('D', ['D'])
^  Exit: (211) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _720318)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _722176)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _736330)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _740120)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _720318=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _632224=['D']
   Exit: (209) [system] ['D']=['D']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (208) [system] _546002=['C', 'D']
   Exit: (208) [system] ['C', 'D']=['C', 'D']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (207) [system] _367772=['OrLink', 'C', 'D']
   Exit: (207) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _754002)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _755860)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _763598)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _766302)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (208) [system] 'E'=(;)
   Fail: (208) [system] 'E'=(;)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Fail: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Fail: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Fail: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
   Fail: (209) [system] char_type('E', cntrl)
^  Fail: (208) [user] is_like_space('E')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _781380)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (206) [system] 'E'=')'
   Fail: (206) [system] 'E'=')'
   Call: (206) [system] 'E'=end_of_file
   Fail: (206) [system] 'E'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _786950)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _788808)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (208) [system] 'E'=(;)
   Fail: (208) [system] 'E'=(;)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Fail: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Fail: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Fail: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
   Fail: (209) [system] char_type('E', cntrl)
^  Fail: (208) [user] is_like_space('E')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _802962)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'E')
   Call: (207) [system] 'E'='('
   Fail: (207) [system] 'E'='('
   Call: (207) [system] 'E'='['
   Fail: (207) [system] 'E'='['
   Call: (207) [system] 'E'='{'
   Fail: (207) [system] 'E'='{'
   Call: (207) [system] 'E'='"'
   Fail: (207) [system] 'E'='"'
   Call: (207) [system] 'E'=!
   Fail: (207) [system] 'E'=!
   Call: (207) [system] 'E'='\''
   Fail: (207) [system] 'E'='\''
   Call: (207) [system] 'E'='`'
   Fail: (207) [system] 'E'='`'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _786950)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _820604)
   Call: (209) [system] peek_char((0x558d99e6bec0), _821538)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_826258, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _820604=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq('E', [], _786950)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_832720, _832722), once(user:catch(read_from_chars(['E'], _786950), _832696, fail)), '$restore_trace'(_832720, _832722))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_832720, _832722))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _786950), _832696, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_786950)
   Fail: (209) [system] atomic(_786950)
   Call: (209) [system] atom_chars(_786950, ['E'])
   Exit: (209) [system] atom_chars('E', ['E'])
^  Exit: (208) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _842096)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _843954)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _858108)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _861898)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _842096=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _754002=['E']
   Exit: (206) [system] ['E']=['E']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (205) [system] _334824=[['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (204) [system] _72944=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (204) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _875780)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _877638)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _891792)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _895582)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _875780=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _39996=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3796=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (200) [system] _3788=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (200) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _909464)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _911322)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _925476)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _929266)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _909464=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _3784=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3760=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (196) [system] _3752=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (196) [system] [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _943148)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _945006)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x558d99e6bec0), _954600)
   Exit: (196) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _957304)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (197) [system] '\t'=(;)
   Fail: (197) [system] '\t'=(;)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x558d99e6bec0), _965042)
   Exit: (197) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _967746)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x558d99e6bec0), _975484)
   Exit: (198) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _978188)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _985926)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _988630)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1006480)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1012050)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1013908)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1028062)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1012050)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1033632)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1047786)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1053356)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1055214)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1069368)
   Exit: (198) [system] get_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, _1053356)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1087010)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1087944)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1087010=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1053356)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1097254, _1097256), once(user:catch(read_from_chars([:], _1053356), _1097230, fail)), '$restore_trace'(_1097254, _1097256))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1097254, _1097256))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1097230, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1104754)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1106612)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1114350)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1117054)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1132132)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1137702)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1139560)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1153714)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1137702)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1159284)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1173438)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (200) [system] 'C'=')'
   Fail: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1179008)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1180866)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1195020)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'='('
   Fail: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Fail: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Fail: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Fail: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Fail: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Fail: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Fail: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1179008)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1212662)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1213596)
   Exit: (203) [system] peek_char((0x558d99e6bec0), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Fail: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1218316, v('(', ')', end_of_file), o)
   Fail: (204) [system] arg(_1219248, v('(', ')', end_of_file), o)
^  Fail: (203) [user] is_delimiter(o)
   Call: (203) [system] ')'==o
   Fail: (203) [system] ')'==o
   Call: (203) [system] get_char((0x558d99e6bec0), o)
   Exit: (203) [system] get_char((0x558d99e6bec0), o)
   Call: (203) [system] o=(\)
   Fail: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1226598)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1227532)
   Exit: (204) [system] peek_char((0x558d99e6bec0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1232252, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1233184, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x558d99e6bec0), n)
   Exit: (204) [system] get_char((0x558d99e6bec0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1240534)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1241468)
   Exit: (205) [system] peek_char((0x558d99e6bec0), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_1246188, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_1247120, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x558d99e6bec0), j)
   Exit: (205) [system] get_char((0x558d99e6bec0), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1254470)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1255404)
   Exit: (206) [system] peek_char((0x558d99e6bec0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_1260124, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_1261056, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x558d99e6bec0), u)
   Exit: (206) [system] get_char((0x558d99e6bec0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1268406)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1269340)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1274060, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1274992, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1282342)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1283276)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1287996, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1288928, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x558d99e6bec0), c)
   Exit: (208) [system] get_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1296278)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1297212)
   Exit: (209) [system] peek_char((0x558d99e6bec0), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_1301932, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_1302864, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x558d99e6bec0), t)
   Exit: (209) [system] get_char((0x558d99e6bec0), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1310214)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1311148)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1315868, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1316800, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1324150)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1325084)
   Exit: (211) [system] peek_char((0x558d99e6bec0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_1329804, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_1330736, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x558d99e6bec0), o)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1338086)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1339020)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1343740, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1344672, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1352022)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1352956)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_1357676, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_1358608, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1365958)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1366892)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1371612, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1372544, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1379894)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1380828)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1385548, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1386480, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1393830)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1394764)
   Exit: (216) [system] peek_char((0x558d99e6bec0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1399484, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1400416, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x558d99e6bec0), r)
   Exit: (216) [system] get_char((0x558d99e6bec0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1407766)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1408700)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1413420, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1414352, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1421702)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1422636)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1427356, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1428288, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1435638)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1436572)
   Exit: (219) [system] peek_char((0x558d99e6bec0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1441292, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1442224, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x558d99e6bec0), u)
   Exit: (219) [system] get_char((0x558d99e6bec0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1449574)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1450508)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1455228, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1456160, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1463510)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1464444)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1469164, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1470096, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1477446)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1478380)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1483100, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1484032, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1491382)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1492316)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1497036, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1497968, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1505318)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1506252)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1510972, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1511904, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1519254)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1520188)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1519254=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1505318=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (223) [system] _1491382=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (222) [system] _1477446=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (221) [system] _1463510=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (220) [system] _1449574=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (219) [system] _1435638=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (218) [system] _1421702=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (217) [system] _1407766=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _1393830=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1379894=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1365958=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1352022=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1338086=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1324150=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1310214=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1296278=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1282342=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1268406=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1254470=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1240534=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1226598=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _1212662=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1179008)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1590966, _1590968), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1179008), _1590942, fail)), '$restore_trace'(_1590966, _1590968))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1590966, _1590968))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1179008), _1590942, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1179008)
   Fail: (203) [system] atomic(_1179008)
   Call: (203) [system] atom_chars(_1179008, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1600342)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1602200)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1609938)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1612642)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1627720)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1633290)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1635148)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1649302)
   Exit: (202) [system] get_char((0x558d99e6bec0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), a, _1633290)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1666944)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1667878)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1672598, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_1673530, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1680880)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1681814)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1686534, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1687466, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x558d99e6bec0), c)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1694816)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1695750)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1694816=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1680880=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (204) [system] _1666944=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (203) [user] classify_and_convert_charseq(a, [b, c], _1633290)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1710648, _1710650), once(user:catch(read_from_chars([a, b, c], _1633290), _1710624, fail)), '$restore_trace'(_1710648, _1710650))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1710648, _1710650))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1710624, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1718148)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1720006)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1727744)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1730448)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1745526)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1751096)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1752954)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1767108)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), a, _1751096)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1784750)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1785684)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1790404, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1784750=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq(a, [], _1751096)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1796866, _1796868), once(user:catch(read_from_chars([a], _1751096), _1796842, fail)), '$restore_trace'(_1796866, _1796868))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1796866, _1796868))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1796842, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(a)
   Exit: (205) [system] atomic(a)
^  Exit: (204) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1804366)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1806224)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1820378)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1824168)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1804366=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1718148=[a]
   Exit: (202) [system] [a]=[a]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (201) [system] _1600342=[abc, a]
   Exit: (201) [system] [abc, a]=[abc, a]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (200) [system] _1137702=['ConjunctionIntroduction', abc, a]
   Exit: (200) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, a])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, a])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1838050)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1839908)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1847646)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1850350)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1865428)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1870998)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1872856)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1887010)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1870998)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1892580)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1906734)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1912304)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1914162)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1928316)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1912304)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1945958)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1946892)
   Exit: (204) [system] peek_char((0x558d99e6bec0), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Fail: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1951612, v('(', ')', end_of_file), n)
   Fail: (205) [system] arg(_1952544, v('(', ')', end_of_file), n)
^  Fail: (204) [user] is_delimiter(n)
   Call: (204) [system] ')'==n
   Fail: (204) [system] ')'==n
   Call: (204) [system] get_char((0x558d99e6bec0), n)
   Exit: (204) [system] get_char((0x558d99e6bec0), n)
   Call: (204) [system] n=(\)
   Fail: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1959894)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1960828)
   Exit: (205) [system] peek_char((0x558d99e6bec0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1965548, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_1966480, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x558d99e6bec0), d)
   Exit: (205) [system] get_char((0x558d99e6bec0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1973830)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1974764)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1979484, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1980416, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (206) [system] get_char((0x558d99e6bec0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1987766)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1988700)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1993420, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1994352, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2001702)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2002636)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_2007356, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_2008288, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2015638)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2016572)
   Exit: (209) [system] peek_char((0x558d99e6bec0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_2021292, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_2022224, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x558d99e6bec0), k)
   Exit: (209) [system] get_char((0x558d99e6bec0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2029574)
   Call: (210) [system] peek_char((0x558d99e6bec0), _2030508)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _2029574=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _2015638=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (208) [system] _2001702=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (207) [system] _1987766=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (206) [system] _1973830=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (205) [system] _1959894=[d, 'L', i, n, k]
   Exit: (205) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (204) [system] _1945958=[n, d, 'L', i, n, k]
   Exit: (204) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1912304)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_2056582, _2056584), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1912304), _2056558, fail)), '$restore_trace'(_2056582, _2056584))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_2056582, _2056584))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1912304), _2056558, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1912304)
   Fail: (204) [system] atomic(_1912304)
   Call: (204) [system] atom_chars(_1912304, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _2065958)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2067816)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _2075554)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2078258)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2093336)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _6140)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _7998)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _22152)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _6140)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _27722)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _41876)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _47446)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _49304)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _63458)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _47446)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _81100)
   Call: (207) [system] peek_char((0x558d99e6bec0), _82034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_86754, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_87686, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _95036)
   Call: (208) [system] peek_char((0x558d99e6bec0), _95970)
   Exit: (208) [system] peek_char((0x558d99e6bec0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_100690, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_101622, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x558d99e6bec0), p)
   Exit: (208) [system] get_char((0x558d99e6bec0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _108972)
   Call: (209) [system] peek_char((0x558d99e6bec0), _109906)
   Exit: (209) [system] peek_char((0x558d99e6bec0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_114626, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_115558, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x558d99e6bec0), l)
   Exit: (209) [system] get_char((0x558d99e6bec0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _122908)
   Call: (210) [system] peek_char((0x558d99e6bec0), _123842)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_128562, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_129494, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _136844)
   Call: (211) [system] peek_char((0x558d99e6bec0), _137778)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_142498, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_143430, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _150780)
   Call: (212) [system] peek_char((0x558d99e6bec0), _151714)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_156434, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_157366, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x558d99e6bec0), a)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _164716)
   Call: (213) [system] peek_char((0x558d99e6bec0), _165650)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_170370, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_171302, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _178652)
   Call: (214) [system] peek_char((0x558d99e6bec0), _179586)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_184306, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_185238, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _192588)
   Call: (215) [system] peek_char((0x558d99e6bec0), _193522)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_198242, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_199174, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _206524)
   Call: (216) [system] peek_char((0x558d99e6bec0), _207458)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_212178, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_213110, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _220460)
   Call: (217) [system] peek_char((0x558d99e6bec0), _221394)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _220460=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _206524=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (215) [system] _192588=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (214) [system] _178652=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (213) [system] _164716=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (212) [system] _150780=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (211) [system] _136844=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (210) [system] _122908=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (209) [system] _108972=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _95036=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _81100=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _47446)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_258644, _258646), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _47446), _258620, fail)), '$restore_trace'(_258644, _258646))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_258644, _258646))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _47446), _258620, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_47446)
   Fail: (207) [system] atomic(_47446)
   Call: (207) [system] atom_chars(_47446, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _268020)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _269878)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _277616)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _280320)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _295398)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _300968)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _302826)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _316980)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _300968)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _322550)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _336704)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _342274)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _344132)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _358286)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _342274)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _375928)
   Call: (210) [system] peek_char((0x558d99e6bec0), _376862)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_381582, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_382514, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _389864)
   Call: (211) [system] peek_char((0x558d99e6bec0), _390798)
   Exit: (211) [system] peek_char((0x558d99e6bec0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_395518, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_396450, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x558d99e6bec0), d)
   Exit: (211) [system] get_char((0x558d99e6bec0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _403800)
   Call: (212) [system] peek_char((0x558d99e6bec0), _404734)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_409454, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_410386, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _417736)
   Call: (213) [system] peek_char((0x558d99e6bec0), _418670)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_423390, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_424322, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _431672)
   Call: (214) [system] peek_char((0x558d99e6bec0), _432606)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_437326, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_438258, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _445608)
   Call: (215) [system] peek_char((0x558d99e6bec0), _446542)
   Exit: (215) [system] peek_char((0x558d99e6bec0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_451262, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_452194, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x558d99e6bec0), k)
   Exit: (215) [system] get_char((0x558d99e6bec0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _459544)
   Call: (216) [system] peek_char((0x558d99e6bec0), _460478)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _459544=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _445608=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (214) [system] _431672=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (213) [system] _417736=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (212) [system] _403800=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (211) [system] _389864=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (210) [system] _375928=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _342274)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_486552, _486554), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _342274), _486528, fail)), '$restore_trace'(_486552, _486554))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_486552, _486554))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _342274), _486528, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_342274)
   Fail: (210) [system] atomic(_342274)
   Call: (210) [system] atom_chars(_342274, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _495928)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _497786)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _505524)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _508228)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _523306)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _528876)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _530734)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _544888)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _528876)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _562530)
   Call: (211) [system] peek_char((0x558d99e6bec0), _563464)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _562530=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('A', [], _528876)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_572774, _572776), once(user:catch(read_from_chars(['A'], _528876), _572750, fail)), '$restore_trace'(_572774, _572776))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_572774, _572776))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _528876), _572750, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_528876)
   Fail: (211) [system] atomic(_528876)
   Call: (211) [system] atom_chars(_528876, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _582150)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _584008)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _591746)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _594450)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _609528)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _615098)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _616956)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _631110)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _615098)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _648752)
   Call: (212) [system] peek_char((0x558d99e6bec0), _649686)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_654406, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _648752=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('B', [], _615098)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_660868, _660870), once(user:catch(read_from_chars(['B'], _615098), _660844, fail)), '$restore_trace'(_660868, _660870))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_660868, _660870))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _615098), _660844, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_615098)
   Fail: (212) [system] atomic(_615098)
   Call: (212) [system] atom_chars(_615098, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _670244)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _672102)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _686256)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _690046)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _670244=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _582150=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (208) [system] _495928=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (207) [system] _300968=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _703928)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _705786)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _713524)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _716228)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _731306)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _736876)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _738734)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _752888)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _736876)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _770530)
   Call: (209) [system] peek_char((0x558d99e6bec0), _771464)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_776184, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _770530=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq('C', [], _736876)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_782646, _782648), once(user:catch(read_from_chars(['C'], _736876), _782622, fail)), '$restore_trace'(_782646, _782648))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_782646, _782648))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _736876), _782622, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_736876)
   Fail: (209) [system] atomic(_736876)
   Call: (209) [system] atom_chars(_736876, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _792022)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _793880)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _808034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _811824)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _792022=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _703928=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (205) [system] _268020=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _6140=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _825706)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _827564)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _835302)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _838006)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _853084)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _858654)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _860512)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _874666)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _858654)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892308)
   Call: (206) [system] peek_char((0x558d99e6bec0), _893242)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_897962, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _892308=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq('A', [], _858654)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_904424, _904426), once(user:catch(read_from_chars(['A'], _858654), _904400, fail)), '$restore_trace'(_904424, _904426))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_904424, _904426))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _858654), _904400, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_858654)
   Fail: (206) [system] atomic(_858654)
   Call: (206) [system] atom_chars(_858654, ['A'])
   Exit: (206) [system] atom_chars('A', ['A'])
^  Exit: (205) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _913800)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _915658)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _929812)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _933602)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _913800=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _825706=['A']
   Exit: (203) [system] ['A']=['A']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (202) [system] _3928=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (201) [system] _3920=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (201) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _947484)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _949342)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _963496)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _967286)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _947484=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _3916=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3892=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (197) [system] _3884=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (197) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _981168)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _983026)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x558d99e6bec0), _992620)
   Exit: (197) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _995324)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (198) [system] '\t'=(;)
   Fail: (198) [system] '\t'=(;)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x558d99e6bec0), _1003062)
   Exit: (198) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1005766)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x558d99e6bec0), _1013504)
   Exit: (199) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1016208)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1023946)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1026650)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1044500)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1050070)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1051928)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1066082)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1050070)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1071652)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1085806)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1091376)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1093234)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1107388)
   Exit: (199) [system] get_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, _1091376)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1125030)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1125964)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1125030=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _1091376)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1135274, _1135276), once(user:catch(read_from_chars([:], _1091376), _1135250, fail)), '$restore_trace'(_1135274, _1135276))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1135274, _1135276))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1135250, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1142774)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1144632)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1152370)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1155074)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1170152)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1175722)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1177580)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1191734)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1175722)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1197304)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=(;)
   Fail: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Fail: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Fail: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Fail: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
   Fail: (203) [system] char_type('C', cntrl)
^  Fail: (202) [user] is_like_space('C')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1211458)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1217028)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1218886)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1233040)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1217028)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1250682)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1251616)
   Exit: (204) [system] peek_char((0x558d99e6bec0), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Fail: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1256336, v('(', ')', end_of_file), o)
   Fail: (205) [system] arg(_1257268, v('(', ')', end_of_file), o)
^  Fail: (204) [user] is_delimiter(o)
   Call: (204) [system] ')'==o
   Fail: (204) [system] ')'==o
   Call: (204) [system] get_char((0x558d99e6bec0), o)
   Exit: (204) [system] get_char((0x558d99e6bec0), o)
   Call: (204) [system] o=(\)
   Fail: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1264618)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1265552)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1270272, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1271204, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1278554)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1279488)
   Exit: (206) [system] peek_char((0x558d99e6bec0), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_1284208, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_1285140, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x558d99e6bec0), j)
   Exit: (206) [system] get_char((0x558d99e6bec0), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1292490)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1293424)
   Exit: (207) [system] peek_char((0x558d99e6bec0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_1298144, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_1299076, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x558d99e6bec0), u)
   Exit: (207) [system] get_char((0x558d99e6bec0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1306426)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1307360)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1312080, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1313012, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1320362)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1321296)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1326016, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1326948, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x558d99e6bec0), c)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334298)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1335232)
   Exit: (210) [system] peek_char((0x558d99e6bec0), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_1339952, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_1340884, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x558d99e6bec0), t)
   Exit: (210) [system] get_char((0x558d99e6bec0), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348234)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1349168)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1353888, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1354820, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362170)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1363104)
   Exit: (212) [system] peek_char((0x558d99e6bec0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_1367824, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_1368756, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x558d99e6bec0), o)
   Exit: (212) [system] get_char((0x558d99e6bec0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1376106)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1377040)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1381760, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1382692, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1390042)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1390976)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_1395696, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_1396628, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1403978)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1404912)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1409632, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1410564, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1417914)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1418848)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1423568, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1424500, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1431850)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1432784)
   Exit: (217) [system] peek_char((0x558d99e6bec0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1437504, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1438436, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x558d99e6bec0), r)
   Exit: (217) [system] get_char((0x558d99e6bec0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1445786)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1446720)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1451440, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1452372, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1459722)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1460656)
   Exit: (219) [system] peek_char((0x558d99e6bec0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1465376, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1466308, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x558d99e6bec0), d)
   Exit: (219) [system] get_char((0x558d99e6bec0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1473658)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1474592)
   Exit: (220) [system] peek_char((0x558d99e6bec0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1479312, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_1480244, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x558d99e6bec0), u)
   Exit: (220) [system] get_char((0x558d99e6bec0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1487594)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1488528)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1493248, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1494180, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1501530)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1502464)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1507184, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1508116, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1515466)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1516400)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1521120, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1522052, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1529402)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1530336)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1535056, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1535988, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1543338)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1544272)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1548992, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1549924, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1557274)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1558208)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1557274=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1543338=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (224) [system] _1529402=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (223) [system] _1515466=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (222) [system] _1501530=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (221) [system] _1487594=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (220) [system] _1473658=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (219) [system] _1459722=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (218) [system] _1445786=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _1431850=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1417914=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1403978=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1390042=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1376106=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1362170=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1348234=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1334298=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1320362=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1306426=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1292490=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1278554=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1264618=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1250682=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1217028)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1628986, _1628988), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1217028), _1628962, fail)), '$restore_trace'(_1628986, _1628988))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1628986, _1628988))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1217028), _1628962, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1217028)
   Fail: (204) [system] atomic(_1217028)
   Call: (204) [system] atom_chars(_1217028, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1638362)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1640220)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1647958)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1650662)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1665740)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1671310)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1673168)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1687322)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), a, _1671310)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1704964)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1705898)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1710618, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1711550, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1718900)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1719834)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1724554, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1725486, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x558d99e6bec0), c)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1732836)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1733770)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1732836=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1718900=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (205) [system] _1704964=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (204) [user] classify_and_convert_charseq(a, [b, c], _1671310)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1748668, _1748670), once(user:catch(read_from_chars([a, b, c], _1671310), _1748644, fail)), '$restore_trace'(_1748668, _1748670))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1748668, _1748670))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1748644, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1756168)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1758026)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1765764)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1768468)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1783546)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1789116)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1790974)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1805128)
   Exit: (204) [system] get_char((0x558d99e6bec0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), a, _1789116)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1822770)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1823704)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1828424, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1822770=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq(a, [], _1789116)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1834886, _1834888), once(user:catch(read_from_chars([a], _1789116), _1834862, fail)), '$restore_trace'(_1834886, _1834888))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1834886, _1834888))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1834862, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(a)
   Exit: (206) [system] atomic(a)
^  Exit: (205) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1842386)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1844244)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1858398)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _1862188)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _1842386=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1756168=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (202) [system] _1638362=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (201) [system] _1175722=['ConjunctionIntroduction', abc, a]
   Exit: (201) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1876070)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1877928)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1885666)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1888370)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1903448)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1909018)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1910876)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1925030)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1909018)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1930600)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1944754)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (202) [system] 'A'=')'
   Fail: (202) [system] 'A'=')'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1950324)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1952182)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1966336)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'='('
   Fail: (203) [system] 'A'='('
   Call: (203) [system] 'A'='['
   Fail: (203) [system] 'A'='['
   Call: (203) [system] 'A'='{'
   Fail: (203) [system] 'A'='{'
   Call: (203) [system] 'A'='"'
   Fail: (203) [system] 'A'='"'
   Call: (203) [system] 'A'=!
   Fail: (203) [system] 'A'=!
   Call: (203) [system] 'A'='\''
   Fail: (203) [system] 'A'='\''
   Call: (203) [system] 'A'='`'
   Fail: (203) [system] 'A'='`'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1950324)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1983978)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1984912)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1989632, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1990564, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1997914)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1998848)
   Exit: (206) [system] peek_char((0x558d99e6bec0), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_2003568, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_2004500, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x558d99e6bec0), d)
   Exit: (206) [system] get_char((0x558d99e6bec0), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2011850)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2012784)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_2017504, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_2018436, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (207) [system] get_char((0x558d99e6bec0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2025786)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2026720)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2031440, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_2032372, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2039722)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2040656)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2045376, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_2046308, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2053658)
   Call: (210) [system] peek_char((0x558d99e6bec0), _2054592)
   Exit: (210) [system] peek_char((0x558d99e6bec0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_2059312, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_2060244, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x558d99e6bec0), k)
   Exit: (210) [system] get_char((0x558d99e6bec0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2067594)
   Call: (211) [system] peek_char((0x558d99e6bec0), _2068528)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _2067594=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _2053658=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (209) [system] _2039722=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (208) [system] _2025786=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (207) [system] _2011850=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (206) [system] _1997914=[d, 'L', i, n, k]
   Exit: (206) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (205) [system] _1983978=[n, d, 'L', i, n, k]
   Exit: (205) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1950324)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_2094602, _2094604), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1950324), _2094578, fail)), '$restore_trace'(_2094602, _2094604))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_2094602, _2094604))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4022), _4068, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_4022)
   Fail: (205) [system] atomic(_4022)
   Call: (205) [system] atom_chars(_4022, ['A', n, d, 'L', i, n, k])
   Exit: (205) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _11306)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _13164)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _20902)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _23606)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _38684)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _44254)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _46112)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _60266)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _44254)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _65836)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _79990)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _85560)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _87418)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _101572)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _85560)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _119214)
   Call: (208) [system] peek_char((0x558d99e6bec0), _120148)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_124868, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_125800, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _133150)
   Call: (209) [system] peek_char((0x558d99e6bec0), _134084)
   Exit: (209) [system] peek_char((0x558d99e6bec0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_138804, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_139736, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x558d99e6bec0), p)
   Exit: (209) [system] get_char((0x558d99e6bec0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _147086)
   Call: (210) [system] peek_char((0x558d99e6bec0), _148020)
   Exit: (210) [system] peek_char((0x558d99e6bec0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_152740, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_153672, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x558d99e6bec0), l)
   Exit: (210) [system] get_char((0x558d99e6bec0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _161022)
   Call: (211) [system] peek_char((0x558d99e6bec0), _161956)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_166676, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_167608, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _174958)
   Call: (212) [system] peek_char((0x558d99e6bec0), _175892)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_180612, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_181544, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _188894)
   Call: (213) [system] peek_char((0x558d99e6bec0), _189828)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_194548, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_195480, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x558d99e6bec0), a)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _202830)
   Call: (214) [system] peek_char((0x558d99e6bec0), _203764)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_208484, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_209416, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _216766)
   Call: (215) [system] peek_char((0x558d99e6bec0), _217700)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_222420, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_223352, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _230702)
   Call: (216) [system] peek_char((0x558d99e6bec0), _231636)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_236356, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_237288, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _244638)
   Call: (217) [system] peek_char((0x558d99e6bec0), _245572)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_250292, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_251224, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _258574)
   Call: (218) [system] peek_char((0x558d99e6bec0), _259508)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _258574=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _244638=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (216) [system] _230702=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (215) [system] _216766=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (214) [system] _202830=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (213) [system] _188894=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (212) [system] _174958=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (211) [system] _161022=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (210) [system] _147086=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _133150=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _119214=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _85560)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_296758, _296760), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _85560), _296734, fail)), '$restore_trace'(_296758, _296760))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_296758, _296760))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _85560), _296734, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_85560)
   Fail: (208) [system] atomic(_85560)
   Call: (208) [system] atom_chars(_85560, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _306134)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _307992)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _315730)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _318434)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _333512)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _339082)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _340940)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _355094)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _339082)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _360664)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _374818)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _380388)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _382246)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _396400)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _380388)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _414042)
   Call: (211) [system] peek_char((0x558d99e6bec0), _414976)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_419696, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_420628, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _427978)
   Call: (212) [system] peek_char((0x558d99e6bec0), _428912)
   Exit: (212) [system] peek_char((0x558d99e6bec0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_433632, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_434564, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x558d99e6bec0), d)
   Exit: (212) [system] get_char((0x558d99e6bec0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _441914)
   Call: (213) [system] peek_char((0x558d99e6bec0), _442848)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_447568, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_448500, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _455850)
   Call: (214) [system] peek_char((0x558d99e6bec0), _456784)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_461504, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_462436, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _469786)
   Call: (215) [system] peek_char((0x558d99e6bec0), _470720)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_475440, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_476372, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _483722)
   Call: (216) [system] peek_char((0x558d99e6bec0), _484656)
   Exit: (216) [system] peek_char((0x558d99e6bec0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_489376, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_490308, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x558d99e6bec0), k)
   Exit: (216) [system] get_char((0x558d99e6bec0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497658)
   Call: (217) [system] peek_char((0x558d99e6bec0), _498592)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _497658=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _483722=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (215) [system] _469786=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (214) [system] _455850=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (213) [system] _441914=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (212) [system] _427978=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (211) [system] _414042=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _380388)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_524666, _524668), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _380388), _524642, fail)), '$restore_trace'(_524666, _524668))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_524666, _524668))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _380388), _524642, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_380388)
   Fail: (211) [system] atomic(_380388)
   Call: (211) [system] atom_chars(_380388, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _534042)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _535900)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _543638)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _546342)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _561420)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _566990)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _568848)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _583002)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _566990)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _600644)
   Call: (212) [system] peek_char((0x558d99e6bec0), _601578)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _600644=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('A', [], _566990)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_610888, _610890), once(user:catch(read_from_chars(['A'], _566990), _610864, fail)), '$restore_trace'(_610888, _610890))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_610888, _610890))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _566990), _610864, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_566990)
   Fail: (212) [system] atomic(_566990)
   Call: (212) [system] atom_chars(_566990, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _620264)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _622122)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _629860)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _632564)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _647642)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _653212)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _655070)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _669224)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _653212)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _686866)
   Call: (213) [system] peek_char((0x558d99e6bec0), _687800)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_692520, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _686866=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('B', [], _653212)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_698982, _698984), once(user:catch(read_from_chars(['B'], _653212), _698958, fail)), '$restore_trace'(_698982, _698984))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_698982, _698984))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _653212), _698958, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_653212)
   Fail: (213) [system] atomic(_653212)
   Call: (213) [system] atom_chars(_653212, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _708358)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _710216)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _724370)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _728160)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _708358=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _620264=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (209) [system] _534042=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (208) [system] _339082=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _742042)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _743900)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _751638)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _754342)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _769420)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _774990)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _776848)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _791002)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _774990)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _808644)
   Call: (210) [system] peek_char((0x558d99e6bec0), _809578)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_814298, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _808644=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('C', [], _774990)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_820760, _820762), once(user:catch(read_from_chars(['C'], _774990), _820736, fail)), '$restore_trace'(_820760, _820762))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_820760, _820762))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _774990), _820736, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_774990)
   Fail: (210) [system] atomic(_774990)
   Call: (210) [system] atom_chars(_774990, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _830136)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _831994)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _846148)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _849938)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _830136=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _742042=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (206) [system] _306134=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _44254=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _863820)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _865678)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _873416)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _876120)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (206) [system] 'B'=(;)
   Fail: (206) [system] 'B'=(;)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Fail: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Fail: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Fail: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
   Fail: (207) [system] char_type('B', cntrl)
^  Fail: (206) [user] is_like_space('B')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _891198)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (204) [system] 'B'=')'
   Fail: (204) [system] 'B'=')'
   Call: (204) [system] 'B'=end_of_file
   Fail: (204) [system] 'B'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _896768)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _898626)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (206) [system] 'B'=(;)
   Fail: (206) [system] 'B'=(;)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Fail: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Fail: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Fail: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
   Fail: (207) [system] char_type('B', cntrl)
^  Fail: (206) [user] is_like_space('B')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _912780)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'B')
   Call: (205) [system] 'B'='('
   Fail: (205) [system] 'B'='('
   Call: (205) [system] 'B'='['
   Fail: (205) [system] 'B'='['
   Call: (205) [system] 'B'='{'
   Fail: (205) [system] 'B'='{'
   Call: (205) [system] 'B'='"'
   Fail: (205) [system] 'B'='"'
   Call: (205) [system] 'B'=!
   Fail: (205) [system] 'B'=!
   Call: (205) [system] 'B'='\''
   Fail: (205) [system] 'B'='\''
   Call: (205) [system] 'B'='`'
   Fail: (205) [system] 'B'='`'
   Call: (205) [system] 'B'=end_of_file
   Fail: (205) [system] 'B'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _896768)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _930422)
   Call: (207) [system] peek_char((0x558d99e6bec0), _931356)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_936076, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _930422=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (206) [user] classify_and_convert_charseq('B', [], _896768)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_942538, _942540), once(user:catch(read_from_chars(['B'], _896768), _942514, fail)), '$restore_trace'(_942538, _942540))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_942538, _942540))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _896768), _942514, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_896768)
   Fail: (207) [system] atomic(_896768)
   Call: (207) [system] atom_chars(_896768, ['B'])
   Exit: (207) [system] atom_chars('B', ['B'])
^  Exit: (206) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _951914)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _953772)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _967926)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _971716)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _951914=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _863820=['B']
   Exit: (204) [system] ['B']=['B']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (203) [system] _11306=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (202) [system] _4016=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (202) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _985598)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _987456)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1001610)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1005400)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _985598=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _4012=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (200) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (199) [system] _3988=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (199) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (198) [system] _3980=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1019282)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1021140)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x558d99e6bec0), _1030734)
   Exit: (198) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1033438)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (199) [system] '\t'=(;)
   Fail: (199) [system] '\t'=(;)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x558d99e6bec0), _1041176)
   Exit: (199) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1043880)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x558d99e6bec0), _1051618)
   Exit: (200) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1054322)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1062060)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1064764)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1082614)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1088184)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1090042)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1104196)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1088184)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1109766)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1123920)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1129490)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1131348)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1145502)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _1129490)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1163144)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1164078)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1163144=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1129490)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1173388, _1173390), once(user:catch(read_from_chars([:], _1129490), _1173364, fail)), '$restore_trace'(_1173388, _1173390))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1173388, _1173390))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1173364, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1180888)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1182746)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1190484)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1193188)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1208266)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1213836)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1215694)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1229848)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1213836)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1235418)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1249572)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1255142)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1257000)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1271154)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1255142)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1288796)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1289730)
   Exit: (205) [system] peek_char((0x558d99e6bec0), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Fail: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1294450, v('(', ')', end_of_file), o)
   Fail: (206) [system] arg(_1295382, v('(', ')', end_of_file), o)
^  Fail: (205) [user] is_delimiter(o)
   Call: (205) [system] ')'==o
   Fail: (205) [system] ')'==o
   Call: (205) [system] get_char((0x558d99e6bec0), o)
   Exit: (205) [system] get_char((0x558d99e6bec0), o)
   Call: (205) [system] o=(\)
   Fail: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1302732)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1303666)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1308386, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_1309318, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1316668)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1317602)
   Exit: (207) [system] peek_char((0x558d99e6bec0), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_1322322, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_1323254, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x558d99e6bec0), j)
   Exit: (207) [system] get_char((0x558d99e6bec0), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1330604)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1331538)
   Exit: (208) [system] peek_char((0x558d99e6bec0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1336258, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_1337190, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x558d99e6bec0), u)
   Exit: (208) [system] get_char((0x558d99e6bec0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1344540)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1345474)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1350194, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1351126, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1358476)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1359410)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1364130, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1365062, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1372412)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1373346)
   Exit: (211) [system] peek_char((0x558d99e6bec0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1378066, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_1378998, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x558d99e6bec0), t)
   Exit: (211) [system] get_char((0x558d99e6bec0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1386348)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1387282)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1392002, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1392934, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1400284)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1401218)
   Exit: (213) [system] peek_char((0x558d99e6bec0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1405938, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1406870, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x558d99e6bec0), o)
   Exit: (213) [system] get_char((0x558d99e6bec0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1414220)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1415154)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1419874, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1420806, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1428156)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1429090)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_1433810, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_1434742, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1442092)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1443026)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1447746, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1448678, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1456028)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1456962)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1461682, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1462614, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1469964)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1470898)
   Exit: (218) [system] peek_char((0x558d99e6bec0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1475618, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1476550, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x558d99e6bec0), r)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1483900)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1484834)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1489554, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1490486, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1497836)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1498770)
   Exit: (220) [system] peek_char((0x558d99e6bec0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1503490, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1504422, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x558d99e6bec0), d)
   Exit: (220) [system] get_char((0x558d99e6bec0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1511772)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1512706)
   Exit: (221) [system] peek_char((0x558d99e6bec0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1517426, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1518358, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x558d99e6bec0), u)
   Exit: (221) [system] get_char((0x558d99e6bec0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1525708)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1526642)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1531362, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1532294, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1539644)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1540578)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1545298, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1546230, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1553580)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1554514)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1559234, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1560166, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1567516)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1568450)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1573170, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1574102, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1581452)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1582386)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1587106, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1588038, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1595388)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1596322)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1595388=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1581452=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (225) [system] _1567516=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (224) [system] _1553580=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (223) [system] _1539644=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (222) [system] _1525708=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (221) [system] _1511772=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (220) [system] _1497836=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (219) [system] _1483900=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _1469964=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1456028=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1442092=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1428156=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1414220=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1400284=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1386348=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1372412=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1358476=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1344540=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1330604=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1316668=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1302732=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1288796=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1255142)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1667100, _1667102), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1255142), _1667076, fail)), '$restore_trace'(_1667100, _1667102))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1667100, _1667102))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1255142), _1667076, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1255142)
   Fail: (205) [system] atomic(_1255142)
   Call: (205) [system] atom_chars(_1255142, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1676476)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1678334)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1686072)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1688776)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(;)
   Fail: (205) [system] c=(;)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Fail: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Fail: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
   Fail: (206) [system] char_type(c, cntrl)
^  Fail: (205) [user] is_like_space(c)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1703854)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
   Call: (203) [system] c=')'
   Fail: (203) [system] c=')'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1709424)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1711282)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(;)
   Fail: (205) [system] c=(;)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Fail: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Fail: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
   Fail: (206) [system] char_type(c, cntrl)
^  Fail: (205) [user] is_like_space(c)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1725436)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c='('
   Fail: (204) [system] c='('
   Call: (204) [system] c='['
   Fail: (204) [system] c='['
   Call: (204) [system] c='{'
   Fail: (204) [system] c='{'
   Call: (204) [system] c='"'
   Fail: (204) [system] c='"'
   Call: (204) [system] c=!
   Fail: (204) [system] c=!
   Call: (204) [system] c='\''
   Fail: (204) [system] c='\''
   Call: (204) [system] c='`'
   Fail: (204) [system] c='`'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), c, _1709424)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1743078)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1744012)
   Exit: (206) [system] peek_char((0x558d99e6bec0), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Fail: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_1748732, v('(', ')', end_of_file), d)
   Fail: (207) [system] arg(_1749664, v('(', ')', end_of_file), d)
^  Fail: (206) [user] is_delimiter(d)
   Call: (206) [system] ')'==d
   Fail: (206) [system] ')'==d
   Call: (206) [system] get_char((0x558d99e6bec0), d)
   Exit: (206) [system] get_char((0x558d99e6bec0), d)
   Call: (206) [system] d=(\)
   Fail: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1757014)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1757948)
   Exit: (207) [system] peek_char((0x558d99e6bec0), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Fail: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1762668, v('(', ')', end_of_file), e)
   Fail: (208) [system] arg(_1763600, v('(', ')', end_of_file), e)
^  Fail: (207) [user] is_delimiter(e)
   Call: (207) [system] ')'==e
   Fail: (207) [system] ')'==e
   Call: (207) [system] get_char((0x558d99e6bec0), e)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] e=(\)
   Fail: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1770950)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1771884)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1770950=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1757014=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (206) [system] _1743078=[d, e]
   Exit: (206) [system] [d, e]=[d, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (205) [user] classify_and_convert_charseq(c, [d, e], _1709424)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1786782, _1786784), once(user:catch(read_from_chars([c, d, e], _1709424), _1786758, fail)), '$restore_trace'(_1786782, _1786784))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1786782, _1786784))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1786758, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(cde)
   Exit: (206) [system] atomic(cde)
^  Exit: (205) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1794282)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1796140)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1803878)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1806582)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1821660)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1827230)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1829088)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1843242)
   Exit: (205) [system] get_char((0x558d99e6bec0), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), a, _1827230)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1860884)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1861818)
   Exit: (207) [system] peek_char((0x558d99e6bec0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1866538, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1867470, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x558d99e6bec0), b)
   Exit: (207) [system] get_char((0x558d99e6bec0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1874820)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1875754)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1880474, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1881406, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x558d99e6bec0), c)
   Exit: (208) [system] get_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1888756)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1889690)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1894410, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1888756=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1874820=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (207) [system] _1860884=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (206) [user] classify_and_convert_charseq(a, [b, c], _1827230)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1906460, _1906462), once(user:catch(read_from_chars([a, b, c], _1827230), _1906436, fail)), '$restore_trace'(_1906460, _1906462))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1906460, _1906462))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1906436, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1913960)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1915818)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1929972)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _1933762)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _1913960=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1794282=[abc]
   Exit: (204) [system] [abc]=[abc]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (203) [system] _1676476=[cde, abc]
   Exit: (203) [system] [cde, abc]=[cde, abc]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [cde, abc])
   Call: (202) [system] _1213836=['ConjunctionIntroduction', cde, abc]
   Exit: (202) [system] ['ConjunctionIntroduction', cde, abc]=['ConjunctionIntroduction', cde, abc]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, abc])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, abc])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1947644)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1949502)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1957240)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1959944)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1975022)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1980592)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1982450)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1996604)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1980592)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2002174)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (204) [system] 'A'=(;)
   Fail: (204) [system] 'A'=(;)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Fail: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Fail: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Fail: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
   Fail: (205) [system] char_type('A', cntrl)
^  Fail: (204) [user] is_like_space('A')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2016328)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'=')'
   Fail: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
   Fail: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _2021898)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _2023756)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _2037910)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'A')
   Call: (204) [system] 'A'='('
   Fail: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Fail: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Fail: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Fail: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Fail: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Fail: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Fail: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _2021898)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2055552)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2056486)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_2061206, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_2062138, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2069488)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2070422)
   Exit: (207) [system] peek_char((0x558d99e6bec0), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_2075142, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_2076074, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x558d99e6bec0), d)
   Exit: (207) [system] get_char((0x558d99e6bec0), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2083424)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2084358)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_2089078, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_2090010, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (208) [system] get_char((0x558d99e6bec0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _4732)
   Call: (209) [system] peek_char((0x558d99e6bec0), _5666)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_10386, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_11318, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _18668)
   Call: (210) [system] peek_char((0x558d99e6bec0), _19602)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_24322, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_25254, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _32604)
   Call: (211) [system] peek_char((0x558d99e6bec0), _33538)
   Exit: (211) [system] peek_char((0x558d99e6bec0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_38258, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_39190, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x558d99e6bec0), k)
   Exit: (211) [system] get_char((0x558d99e6bec0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _46540)
   Call: (212) [system] peek_char((0x558d99e6bec0), _47474)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _46540=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _32604=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (210) [system] _18668=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (209) [system] _4732=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (208) [system] _4130=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (207) [system] _4126=[d, 'L', i, n, k]
   Exit: (207) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (206) [system] _4122=[n, d, 'L', i, n, k]
   Exit: (206) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4118)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_73548, _73550), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4118), _73524, fail)), '$restore_trace'(_73548, _73550))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_73548, _73550))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4118), _73524, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_4118)
   Fail: (206) [system] atomic(_4118)
   Call: (206) [system] atom_chars(_4118, ['A', n, d, 'L', i, n, k])
   Exit: (206) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _82924)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _84782)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _92520)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _95224)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _110302)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _115872)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _117730)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _131884)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _115872)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _137454)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _151608)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _157178)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _159036)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _173190)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _157178)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _190832)
   Call: (209) [system] peek_char((0x558d99e6bec0), _191766)
   Exit: (209) [system] peek_char((0x558d99e6bec0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_196486, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_197418, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x558d99e6bec0), m)
   Exit: (209) [system] get_char((0x558d99e6bec0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _204768)
   Call: (210) [system] peek_char((0x558d99e6bec0), _205702)
   Exit: (210) [system] peek_char((0x558d99e6bec0), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_210422, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_211354, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x558d99e6bec0), p)
   Exit: (210) [system] get_char((0x558d99e6bec0), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _218704)
   Call: (211) [system] peek_char((0x558d99e6bec0), _219638)
   Exit: (211) [system] peek_char((0x558d99e6bec0), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_224358, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_225290, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x558d99e6bec0), l)
   Exit: (211) [system] get_char((0x558d99e6bec0), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _232640)
   Call: (212) [system] peek_char((0x558d99e6bec0), _233574)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_238294, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_239226, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _246576)
   Call: (213) [system] peek_char((0x558d99e6bec0), _247510)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_252230, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_253162, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x558d99e6bec0), c)
   Exit: (213) [system] get_char((0x558d99e6bec0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _260512)
   Call: (214) [system] peek_char((0x558d99e6bec0), _261446)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_266166, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_267098, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x558d99e6bec0), a)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _274448)
   Call: (215) [system] peek_char((0x558d99e6bec0), _275382)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_280102, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_281034, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _288384)
   Call: (216) [system] peek_char((0x558d99e6bec0), _289318)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_294038, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_294970, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _302320)
   Call: (217) [system] peek_char((0x558d99e6bec0), _303254)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_307974, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_308906, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _316256)
   Call: (218) [system] peek_char((0x558d99e6bec0), _317190)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_321910, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_322842, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _330192)
   Call: (219) [system] peek_char((0x558d99e6bec0), _331126)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _330192=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _316256=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (217) [system] _302320=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (216) [system] _288384=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (215) [system] _274448=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (214) [system] _260512=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (213) [system] _246576=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (212) [system] _232640=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (211) [system] _218704=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _204768=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _190832=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _157178)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_368376, _368378), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _157178), _368352, fail)), '$restore_trace'(_368376, _368378))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_368376, _368378))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _157178), _368352, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_157178)
   Fail: (209) [system] atomic(_157178)
   Call: (209) [system] atom_chars(_157178, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _377752)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _379610)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _387348)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _390052)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _405130)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _410700)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _412558)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _426712)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _410700)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _432282)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _446436)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _452006)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _453864)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _468018)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _452006)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _485660)
   Call: (212) [system] peek_char((0x558d99e6bec0), _486594)
   Exit: (212) [system] peek_char((0x558d99e6bec0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_491314, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_492246, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x558d99e6bec0), r)
   Exit: (212) [system] get_char((0x558d99e6bec0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _499596)
   Call: (213) [system] peek_char((0x558d99e6bec0), _500530)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_505250, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_506182, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _513532)
   Call: (214) [system] peek_char((0x558d99e6bec0), _514466)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_519186, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_520118, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _527468)
   Call: (215) [system] peek_char((0x558d99e6bec0), _528402)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_533122, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_534054, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _541404)
   Call: (216) [system] peek_char((0x558d99e6bec0), _542338)
   Exit: (216) [system] peek_char((0x558d99e6bec0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_547058, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_547990, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x558d99e6bec0), k)
   Exit: (216) [system] get_char((0x558d99e6bec0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _555340)
   Call: (217) [system] peek_char((0x558d99e6bec0), _556274)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _555340=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _541404=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (215) [system] _527468=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (214) [system] _513532=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (213) [system] _499596=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (212) [system] _485660=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _452006)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_579554, _579556), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _452006), _579530, fail)), '$restore_trace'(_579554, _579556))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_579554, _579556))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _452006), _579530, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_452006)
   Fail: (212) [system] atomic(_452006)
   Call: (212) [system] atom_chars(_452006, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _588930)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _590788)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _598526)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _601230)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _616308)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _621878)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _623736)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _637890)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _621878)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _655532)
   Call: (213) [system] peek_char((0x558d99e6bec0), _656466)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _655532=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('C', [], _621878)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_665776, _665778), once(user:catch(read_from_chars(['C'], _621878), _665752, fail)), '$restore_trace'(_665776, _665778))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_665776, _665778))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _621878), _665752, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_621878)
   Fail: (213) [system] atomic(_621878)
   Call: (213) [system] atom_chars(_621878, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _675152)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _677010)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _684748)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _687452)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _702530)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _708100)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _709958)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _724112)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _708100)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _741754)
   Call: (214) [system] peek_char((0x558d99e6bec0), _742688)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_747408, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _741754=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('D', [], _708100)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_753870, _753872), once(user:catch(read_from_chars(['D'], _708100), _753846, fail)), '$restore_trace'(_753870, _753872))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_753870, _753872))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _708100), _753846, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_708100)
   Fail: (214) [system] atomic(_708100)
   Call: (214) [system] atom_chars(_708100, ['D'])
   Exit: (214) [system] atom_chars('D', ['D'])
^  Exit: (213) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _763246)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _765104)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _779258)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _783048)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _763246=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _675152=['D']
   Exit: (211) [system] ['D']=['D']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (210) [system] _588930=['C', 'D']
   Exit: (210) [system] ['C', 'D']=['C', 'D']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (209) [system] _410700=['OrLink', 'C', 'D']
   Exit: (209) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _796930)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _798788)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _806526)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _809230)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (210) [system] 'E'=(;)
   Fail: (210) [system] 'E'=(;)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Fail: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Fail: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Fail: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
   Fail: (211) [system] char_type('E', cntrl)
^  Fail: (210) [user] is_like_space('E')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _824308)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (208) [system] 'E'=')'
   Fail: (208) [system] 'E'=')'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _829878)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _831736)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (210) [system] 'E'=(;)
   Fail: (210) [system] 'E'=(;)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Fail: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Fail: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Fail: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
   Fail: (211) [system] char_type('E', cntrl)
^  Fail: (210) [user] is_like_space('E')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _845890)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'E')
   Call: (209) [system] 'E'='('
   Fail: (209) [system] 'E'='('
   Call: (209) [system] 'E'='['
   Fail: (209) [system] 'E'='['
   Call: (209) [system] 'E'='{'
   Fail: (209) [system] 'E'='{'
   Call: (209) [system] 'E'='"'
   Fail: (209) [system] 'E'='"'
   Call: (209) [system] 'E'=!
   Fail: (209) [system] 'E'=!
   Call: (209) [system] 'E'='\''
   Fail: (209) [system] 'E'='\''
   Call: (209) [system] 'E'='`'
   Fail: (209) [system] 'E'='`'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _829878)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _863532)
   Call: (211) [system] peek_char((0x558d99e6bec0), _864466)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_869186, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _863532=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('E', [], _829878)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_875648, _875650), once(user:catch(read_from_chars(['E'], _829878), _875624, fail)), '$restore_trace'(_875648, _875650))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_875648, _875650))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _829878), _875624, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_829878)
   Fail: (211) [system] atomic(_829878)
   Call: (211) [system] atom_chars(_829878, ['E'])
   Exit: (211) [system] atom_chars('E', ['E'])
^  Exit: (210) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _885024)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _886882)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _901036)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _904826)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _885024=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _796930=['E']
   Exit: (208) [system] ['E']=['E']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (207) [system] _377752=[['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (206) [system] _115872=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _918708)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _920566)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _928304)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _931008)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _946086)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _951656)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _953514)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _967668)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _951656)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _973238)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _987392)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _992962)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _994820)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1008974)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _992962)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1026616)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1027550)
   Exit: (210) [system] peek_char((0x558d99e6bec0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1032270, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1033202, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x558d99e6bec0), m)
   Exit: (210) [system] get_char((0x558d99e6bec0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1040552)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1041486)
   Exit: (211) [system] peek_char((0x558d99e6bec0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1046206, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_1047138, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x558d99e6bec0), p)
   Exit: (211) [system] get_char((0x558d99e6bec0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1054488)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1055422)
   Exit: (212) [system] peek_char((0x558d99e6bec0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1060142, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_1061074, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x558d99e6bec0), l)
   Exit: (212) [system] get_char((0x558d99e6bec0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1068424)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1069358)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1074078, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1075010, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1082360)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1083294)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1088014, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1088946, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1096296)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1097230)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1101950, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_1102882, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x558d99e6bec0), a)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1110232)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1111166)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1115886, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1116818, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1124168)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1125102)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1129822, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1130754, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1138104)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1139038)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1143758, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1144690, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1152040)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1152974)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1157694, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1158626, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1165976)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1166910)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1165976=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _1152040=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (218) [system] _1138104=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (217) [system] _1124168=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (216) [system] _1110232=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (215) [system] _1096296=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (214) [system] _1082360=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (213) [system] _1068424=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (212) [system] _1054488=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1040552=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1026616=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _992962)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1204160, _1204162), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _992962), _1204136, fail)), '$restore_trace'(_1204160, _1204162))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1204160, _1204162))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _992962), _1204136, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_992962)
   Fail: (210) [system] atomic(_992962)
   Call: (210) [system] atom_chars(_992962, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1213536)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1215394)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1223132)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1225836)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1240914)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1246484)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1248342)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1262496)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1246484)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1268066)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1282220)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1287790)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1289648)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1303802)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1287790)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1321444)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1322378)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1327098, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1328030, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1335380)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1336314)
   Exit: (214) [system] peek_char((0x558d99e6bec0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_1341034, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_1341966, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x558d99e6bec0), d)
   Exit: (214) [system] get_char((0x558d99e6bec0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1349316)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1350250)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1354970, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1355902, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1363252)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1364186)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1368906, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1369838, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377188)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1378122)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1382842, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1383774, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391124)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1392058)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1396778, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1397710, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405060)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1405994)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1405060=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1391124=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _1377188=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _1363252=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _1349316=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _1335380=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (213) [system] _1321444=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1287790)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1432068, _1432070), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1287790), _1432044, fail)), '$restore_trace'(_1432068, _1432070))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1432068, _1432070))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1287790), _1432044, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1287790)
   Fail: (213) [system] atomic(_1287790)
   Call: (213) [system] atom_chars(_1287790, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1441444)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1443302)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1451040)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1453744)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1468822)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1474392)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1476250)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1490404)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1474392)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1508046)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1508980)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1508046=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _1474392)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1518290, _1518292), once(user:catch(read_from_chars(['A'], _1474392), _1518266, fail)), '$restore_trace'(_1518290, _1518292))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1518290, _1518292))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1474392), _1518266, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1474392)
   Fail: (214) [system] atomic(_1474392)
   Call: (214) [system] atom_chars(_1474392, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1527666)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1529524)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1537262)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1539966)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1555044)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1560614)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1562472)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1576626)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1560614)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594268)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1595202)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1599922, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1594268=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1560614)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1606384, _1606386), once(user:catch(read_from_chars(['B'], _1560614), _1606360, fail)), '$restore_trace'(_1606384, _1606386))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1606384, _1606386))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1560614), _1606360, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1560614)
   Fail: (215) [system] atomic(_1560614)
   Call: (215) [system] atom_chars(_1560614, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1615760)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1617618)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1631772)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1635562)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1615760=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1527666=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (211) [system] _1441444=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (210) [system] _1246484=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1649444)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1651302)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1659040)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1661744)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1676822)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1682392)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1684250)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1698404)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1682392)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1716046)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1716980)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1721700, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1716046=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('C', [], _1682392)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1728162, _1728164), once(user:catch(read_from_chars(['C'], _1682392), _1728138, fail)), '$restore_trace'(_1728162, _1728164))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1728162, _1728164))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1682392), _1728138, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1682392)
   Fail: (212) [system] atomic(_1682392)
   Call: (212) [system] atom_chars(_1682392, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1737538)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1739396)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1753550)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1757340)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1737538=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1649444=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (208) [system] _1213536=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _951656=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1771222)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1773080)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1787234)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _1791024)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _1771222=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _918708=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (204) [system] _82924=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (204) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (203) [system] _4112=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (203) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1804906)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1806764)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1820918)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1824708)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1804906=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _4108=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (201) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (200) [system] _4084=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (200) [system] [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (199) [system] _4076=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (199) [system] [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1838590)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1840448)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x558d99e6bec0), _1850042)
   Exit: (199) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1852746)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (200) [system] '\t'=(;)
   Fail: (200) [system] '\t'=(;)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x558d99e6bec0), _1860484)
   Exit: (200) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1863188)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x558d99e6bec0), _1870926)
   Exit: (201) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1873630)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1881368)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1884072)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1901922)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1907492)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1909350)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1923504)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1907492)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1929074)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1943228)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1948798)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1950656)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1964810)
   Exit: (201) [system] get_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, _1948798)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1982452)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1983386)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1982452=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _1948798)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1992696, _1992698), once(user:catch(read_from_chars([:], _1948798), _1992672, fail)), '$restore_trace'(_1992696, _1992698))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1992696, _1992698))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1992672, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _2000196)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2002054)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _2009792)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2012496)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2027574)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _2033144)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2035002)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _2049156)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _2033144)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2054726)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2068880)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'=')'
   Fail: (203) [system] 'C'=')'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _2074450)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _2076308)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _2090462)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'='('
   Fail: (204) [system] 'C'='('
   Call: (204) [system] 'C'='['
   Fail: (204) [system] 'C'='['
   Call: (204) [system] 'C'='{'
   Fail: (204) [system] 'C'='{'
   Call: (204) [system] 'C'='"'
   Fail: (204) [system] 'C'='"'
   Call: (204) [system] 'C'=!
   Fail: (204) [system] 'C'=!
   Call: (204) [system] 'C'='\''
   Fail: (204) [system] 'C'='\''
   Call: (204) [system] 'C'='`'
   Fail: (204) [system] 'C'='`'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _4226)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _15338)
   Call: (206) [system] peek_char((0x558d99e6bec0), _16272)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_20992, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_21924, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _29274)
   Call: (207) [system] peek_char((0x558d99e6bec0), _30208)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_34928, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_35860, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _43210)
   Call: (208) [system] peek_char((0x558d99e6bec0), _44144)
   Exit: (208) [system] peek_char((0x558d99e6bec0), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_48864, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_49796, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x558d99e6bec0), j)
   Exit: (208) [system] get_char((0x558d99e6bec0), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _57146)
   Call: (209) [system] peek_char((0x558d99e6bec0), _58080)
   Exit: (209) [system] peek_char((0x558d99e6bec0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_62800, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_63732, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x558d99e6bec0), u)
   Exit: (209) [system] get_char((0x558d99e6bec0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _71082)
   Call: (210) [system] peek_char((0x558d99e6bec0), _72016)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_76736, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_77668, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _85018)
   Call: (211) [system] peek_char((0x558d99e6bec0), _85952)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_90672, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_91604, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _98954)
   Call: (212) [system] peek_char((0x558d99e6bec0), _99888)
   Exit: (212) [system] peek_char((0x558d99e6bec0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_104608, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_105540, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x558d99e6bec0), t)
   Exit: (212) [system] get_char((0x558d99e6bec0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _112890)
   Call: (213) [system] peek_char((0x558d99e6bec0), _113824)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_118544, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_119476, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _126826)
   Call: (214) [system] peek_char((0x558d99e6bec0), _127760)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_132480, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_133412, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _140762)
   Call: (215) [system] peek_char((0x558d99e6bec0), _141696)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_146416, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_147348, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _154698)
   Call: (216) [system] peek_char((0x558d99e6bec0), _155632)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_160352, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_161284, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168634)
   Call: (217) [system] peek_char((0x558d99e6bec0), _169568)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_174288, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_175220, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182570)
   Call: (218) [system] peek_char((0x558d99e6bec0), _183504)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_188224, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_189156, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _196506)
   Call: (219) [system] peek_char((0x558d99e6bec0), _197440)
   Exit: (219) [system] peek_char((0x558d99e6bec0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_202160, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_203092, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x558d99e6bec0), r)
   Exit: (219) [system] get_char((0x558d99e6bec0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _210442)
   Call: (220) [system] peek_char((0x558d99e6bec0), _211376)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_216096, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_217028, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _224378)
   Call: (221) [system] peek_char((0x558d99e6bec0), _225312)
   Exit: (221) [system] peek_char((0x558d99e6bec0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_230032, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_230964, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x558d99e6bec0), d)
   Exit: (221) [system] get_char((0x558d99e6bec0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _238314)
   Call: (222) [system] peek_char((0x558d99e6bec0), _239248)
   Exit: (222) [system] peek_char((0x558d99e6bec0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_243968, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_244900, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x558d99e6bec0), u)
   Exit: (222) [system] get_char((0x558d99e6bec0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _252250)
   Call: (223) [system] peek_char((0x558d99e6bec0), _253184)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_257904, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_258836, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _266186)
   Call: (224) [system] peek_char((0x558d99e6bec0), _267120)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_271840, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_272772, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _280122)
   Call: (225) [system] peek_char((0x558d99e6bec0), _281056)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_285776, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_286708, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _294058)
   Call: (226) [system] peek_char((0x558d99e6bec0), _294992)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_299712, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_300644, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307994)
   Call: (227) [system] peek_char((0x558d99e6bec0), _308928)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_313648, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_314580, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321930)
   Call: (228) [system] peek_char((0x558d99e6bec0), _322864)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _321930=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _307994=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (226) [system] _294058=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (225) [system] _280122=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (224) [system] _266186=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (223) [system] _252250=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (222) [system] _238314=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (221) [system] _224378=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (220) [system] _210442=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _196506=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _182570=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _168634=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _154698=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _140762=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _126826=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _112890=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _98954=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _85018=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _71082=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _57146=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _43210=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _29274=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _15338=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4226)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_393642, _393644), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4226), _393618, fail)), '$restore_trace'(_393642, _393644))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_393642, _393644))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4226), _393618, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_4226)
   Fail: (206) [system] atomic(_4226)
   Call: (206) [system] atom_chars(_4226, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _403018)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _404876)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _412614)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _415318)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _430396)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
   Call: (204) [system] c=')'
   Fail: (204) [system] c=')'
   Call: (204) [system] c=end_of_file
   Fail: (204) [system] c=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _435966)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _437824)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(;)
   Fail: (206) [system] c=(;)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Fail: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Fail: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
   Fail: (207) [system] char_type(c, cntrl)
^  Fail: (206) [user] is_like_space(c)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _451978)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c='('
   Fail: (205) [system] c='('
   Call: (205) [system] c='['
   Fail: (205) [system] c='['
   Call: (205) [system] c='{'
   Fail: (205) [system] c='{'
   Call: (205) [system] c='"'
   Fail: (205) [system] c='"'
   Call: (205) [system] c=!
   Fail: (205) [system] c=!
   Call: (205) [system] c='\''
   Fail: (205) [system] c='\''
   Call: (205) [system] c='`'
   Fail: (205) [system] c='`'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), c, _435966)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _469620)
   Call: (207) [system] peek_char((0x558d99e6bec0), _470554)
   Exit: (207) [system] peek_char((0x558d99e6bec0), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Fail: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_475274, v('(', ')', end_of_file), d)
   Fail: (208) [system] arg(_476206, v('(', ')', end_of_file), d)
^  Fail: (207) [user] is_delimiter(d)
   Call: (207) [system] ')'==d
   Fail: (207) [system] ')'==d
   Call: (207) [system] get_char((0x558d99e6bec0), d)
   Exit: (207) [system] get_char((0x558d99e6bec0), d)
   Call: (207) [system] d=(\)
   Fail: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _483556)
   Call: (208) [system] peek_char((0x558d99e6bec0), _484490)
   Exit: (208) [system] peek_char((0x558d99e6bec0), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Fail: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_489210, v('(', ')', end_of_file), e)
   Fail: (209) [system] arg(_490142, v('(', ')', end_of_file), e)
^  Fail: (208) [user] is_delimiter(e)
   Call: (208) [system] ')'==e
   Fail: (208) [system] ')'==e
   Call: (208) [system] get_char((0x558d99e6bec0), e)
   Exit: (208) [system] get_char((0x558d99e6bec0), e)
   Call: (208) [system] e=(\)
   Fail: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497492)
   Call: (209) [system] peek_char((0x558d99e6bec0), _498426)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _497492=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _483556=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (207) [system] _469620=[d, e]
   Exit: (207) [system] [d, e]=[d, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (206) [user] classify_and_convert_charseq(c, [d, e], _435966)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_513324, _513326), once(user:catch(read_from_chars([c, d, e], _435966), _513300, fail)), '$restore_trace'(_513324, _513326))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_513324, _513326))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _513300, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(cde)
   Exit: (207) [system] atomic(cde)
^  Exit: (206) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _520824)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _522682)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _530420)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _533124)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _548202)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _553772)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _555630)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _569784)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), c, _553772)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _587426)
   Call: (208) [system] peek_char((0x558d99e6bec0), _588360)
   Exit: (208) [system] peek_char((0x558d99e6bec0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_593080, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_594012, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x558d99e6bec0), d)
   Exit: (208) [system] get_char((0x558d99e6bec0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _601362)
   Call: (209) [system] peek_char((0x558d99e6bec0), _602296)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_607016, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_607948, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _615298)
   Call: (210) [system] peek_char((0x558d99e6bec0), _616232)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_620952, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _615298=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _601362=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (208) [system] _587426=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (207) [user] classify_and_convert_charseq(c, [d, e], _553772)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_633002, _633004), once(user:catch(read_from_chars([c, d, e], _553772), _632978, fail)), '$restore_trace'(_633002, _633004))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_633002, _633004))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _632978, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _640502)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _642360)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _656514)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _660304)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _640502=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _520824=[cde]
   Exit: (205) [system] [cde]=[cde]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (204) [system] _403018=[cde, cde]
   Exit: (204) [system] [cde, cde]=[cde, cde]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [cde, cde])
   Call: (203) [system] _4220=['ConjunctionIntroduction', cde, cde]
   Exit: (203) [system] ['ConjunctionIntroduction', cde, cde]=['ConjunctionIntroduction', cde, cde]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, cde])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, cde])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _674186)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _676044)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _683782)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _686486)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _701564)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _707134)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _708992)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _723146)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _707134)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _728716)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=(;)
   Fail: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Fail: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Fail: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Fail: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
   Fail: (206) [system] char_type('A', cntrl)
^  Fail: (205) [user] is_like_space('A')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _742870)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _748440)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _750298)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _764452)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _748440)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _782094)
   Call: (207) [system] peek_char((0x558d99e6bec0), _783028)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_787748, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_788680, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _796030)
   Call: (208) [system] peek_char((0x558d99e6bec0), _796964)
   Exit: (208) [system] peek_char((0x558d99e6bec0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_801684, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_802616, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x558d99e6bec0), d)
   Exit: (208) [system] get_char((0x558d99e6bec0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _809966)
   Call: (209) [system] peek_char((0x558d99e6bec0), _810900)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_815620, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_816552, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (209) [system] get_char((0x558d99e6bec0), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _823902)
   Call: (210) [system] peek_char((0x558d99e6bec0), _824836)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_829556, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_830488, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _837838)
   Call: (211) [system] peek_char((0x558d99e6bec0), _838772)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_843492, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_844424, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _851774)
   Call: (212) [system] peek_char((0x558d99e6bec0), _852708)
   Exit: (212) [system] peek_char((0x558d99e6bec0), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_857428, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_858360, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x558d99e6bec0), k)
   Exit: (212) [system] get_char((0x558d99e6bec0), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _865710)
   Call: (213) [system] peek_char((0x558d99e6bec0), _866644)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _865710=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _851774=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (211) [system] _837838=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (210) [system] _823902=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (209) [system] _809966=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (208) [system] _796030=[d, 'L', i, n, k]
   Exit: (208) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (207) [system] _782094=[n, d, 'L', i, n, k]
   Exit: (207) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _748440)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_892718, _892720), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _748440), _892694, fail)), '$restore_trace'(_892718, _892720))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_892718, _892720))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _748440), _892694, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_748440)
   Fail: (207) [system] atomic(_748440)
   Call: (207) [system] atom_chars(_748440, ['A', n, d, 'L', i, n, k])
   Exit: (207) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _902094)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _903952)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _911690)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _914394)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _929472)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _935042)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _936900)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _951054)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _935042)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _956624)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _970778)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _976348)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _978206)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _992360)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _976348)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1010002)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1010936)
   Exit: (210) [system] peek_char((0x558d99e6bec0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1015656, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_1016588, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x558d99e6bec0), m)
   Exit: (210) [system] get_char((0x558d99e6bec0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1023938)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1024872)
   Exit: (211) [system] peek_char((0x558d99e6bec0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1029592, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_1030524, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x558d99e6bec0), p)
   Exit: (211) [system] get_char((0x558d99e6bec0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037874)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1038808)
   Exit: (212) [system] peek_char((0x558d99e6bec0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1043528, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_1044460, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x558d99e6bec0), l)
   Exit: (212) [system] get_char((0x558d99e6bec0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051810)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1052744)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1057464, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1058396, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065746)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1066680)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1071400, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1072332, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1079682)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1080616)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1085336, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_1086268, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x558d99e6bec0), a)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093618)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1094552)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1099272, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1100204, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107554)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1108488)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1113208, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1114140, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121490)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1122424)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1127144, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1128076, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1135426)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1136360)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1141080, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1142012, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1149362)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1150296)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1149362=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _1135426=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (218) [system] _1121490=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (217) [system] _1107554=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (216) [system] _1093618=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (215) [system] _1079682=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (214) [system] _1065746=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (213) [system] _1051810=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (212) [system] _1037874=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1023938=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1010002=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _976348)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1187546, _1187548), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _976348), _1187522, fail)), '$restore_trace'(_1187546, _1187548))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1187546, _1187548))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _976348), _1187522, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_976348)
   Fail: (210) [system] atomic(_976348)
   Call: (210) [system] atom_chars(_976348, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1196922)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1198780)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1206518)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1209222)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1224300)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1229870)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1231728)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1245882)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1229870)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1251452)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1265606)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1271176)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1273034)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1287188)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1271176)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1304830)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1305764)
   Exit: (213) [system] peek_char((0x558d99e6bec0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1310484, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1311416, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x558d99e6bec0), r)
   Exit: (213) [system] get_char((0x558d99e6bec0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1318766)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1319700)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1324420, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1325352, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1332702)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1333636)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1338356, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1339288, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1346638)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1347572)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1352292, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1353224, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1360574)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1361508)
   Exit: (217) [system] peek_char((0x558d99e6bec0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1366228, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1367160, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x558d99e6bec0), k)
   Exit: (217) [system] get_char((0x558d99e6bec0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1374510)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1375444)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1374510=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1360574=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (216) [system] _1346638=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (215) [system] _1332702=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (214) [system] _1318766=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (213) [system] _1304830=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1271176)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1398724, _1398726), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1271176), _1398700, fail)), '$restore_trace'(_1398724, _1398726))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1398724, _1398726))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1271176), _1398700, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1271176)
   Fail: (213) [system] atomic(_1271176)
   Call: (213) [system] atom_chars(_1271176, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1408100)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1409958)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1417696)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1420400)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1435478)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1441048)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1442906)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1457060)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1441048)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1474702)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1475636)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1474702=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('C', [], _1441048)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1484946, _1484948), once(user:catch(read_from_chars(['C'], _1441048), _1484922, fail)), '$restore_trace'(_1484946, _1484948))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1484946, _1484948))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1441048), _1484922, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1441048)
   Fail: (214) [system] atomic(_1441048)
   Call: (214) [system] atom_chars(_1441048, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1494322)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1496180)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1503918)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1506622)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1521700)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1527270)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1529128)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1543282)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1527270)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1560924)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1561858)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1566578, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1560924=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('D', [], _1527270)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1573040, _1573042), once(user:catch(read_from_chars(['D'], _1527270), _1573016, fail)), '$restore_trace'(_1573040, _1573042))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1573040, _1573042))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1527270), _1573016, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1527270)
   Fail: (215) [system] atomic(_1527270)
   Call: (215) [system] atom_chars(_1527270, ['D'])
   Exit: (215) [system] atom_chars('D', ['D'])
^  Exit: (214) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1582416)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1584274)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1598428)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1602218)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1582416=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1494322=['D']
   Exit: (212) [system] ['D']=['D']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (211) [system] _1408100=['C', 'D']
   Exit: (211) [system] ['C', 'D']=['C', 'D']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (210) [system] _1229870=['OrLink', 'C', 'D']
   Exit: (210) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1616100)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1617958)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1625696)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1628400)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1643478)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (209) [system] 'E'=')'
   Fail: (209) [system] 'E'=')'
   Call: (209) [system] 'E'=end_of_file
   Fail: (209) [system] 'E'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1649048)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1650906)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (211) [system] 'E'=(;)
   Fail: (211) [system] 'E'=(;)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Fail: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Fail: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Fail: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
   Fail: (212) [system] char_type('E', cntrl)
^  Fail: (211) [user] is_like_space('E')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1665060)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'E')
   Call: (210) [system] 'E'='('
   Fail: (210) [system] 'E'='('
   Call: (210) [system] 'E'='['
   Fail: (210) [system] 'E'='['
   Call: (210) [system] 'E'='{'
   Fail: (210) [system] 'E'='{'
   Call: (210) [system] 'E'='"'
   Fail: (210) [system] 'E'='"'
   Call: (210) [system] 'E'=!
   Fail: (210) [system] 'E'=!
   Call: (210) [system] 'E'='\''
   Fail: (210) [system] 'E'='\''
   Call: (210) [system] 'E'='`'
   Fail: (210) [system] 'E'='`'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1649048)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1682702)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1683636)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1688356, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1682702=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('E', [], _1649048)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1694818, _1694820), once(user:catch(read_from_chars(['E'], _1649048), _1694794, fail)), '$restore_trace'(_1694818, _1694820))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1694818, _1694820))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1649048), _1694794, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1649048)
   Fail: (212) [system] atomic(_1649048)
   Call: (212) [system] atom_chars(_1649048, ['E'])
   Exit: (212) [system] atom_chars('E', ['E'])
^  Exit: (211) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1704194)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1706052)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1720206)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1723996)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1704194=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1616100=['E']
   Exit: (209) [system] ['E']=['E']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (208) [system] _1196922=[['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (207) [system] _935042=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1737878)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1739736)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1747474)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1750178)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1765256)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1770826)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1772684)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1786838)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1770826)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1792408)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1806562)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1812132)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1813990)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1828144)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1812132)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1845786)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1846720)
   Exit: (211) [system] peek_char((0x558d99e6bec0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1851440, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1852372, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x558d99e6bec0), m)
   Exit: (211) [system] get_char((0x558d99e6bec0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1859722)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1860656)
   Exit: (212) [system] peek_char((0x558d99e6bec0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1865376, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_1866308, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x558d99e6bec0), p)
   Exit: (212) [system] get_char((0x558d99e6bec0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1873658)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1874592)
   Exit: (213) [system] peek_char((0x558d99e6bec0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1879312, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_1880244, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x558d99e6bec0), l)
   Exit: (213) [system] get_char((0x558d99e6bec0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1887594)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1888528)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1893248, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1894180, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1901530)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1902464)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1907184, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1908116, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1915466)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1916400)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1921120, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_1922052, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x558d99e6bec0), a)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1929402)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1930336)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1935056, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1935988, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1943338)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1944272)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1948992, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1949924, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1957274)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1958208)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1962928, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1963860, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1971210)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1972144)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1976864, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1977796, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1985146)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1986080)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1985146=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1971210=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (219) [system] _1957274=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (218) [system] _1943338=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (217) [system] _1929402=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (216) [system] _1915466=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (215) [system] _1901530=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (214) [system] _1887594=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (213) [system] _1873658=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1859722=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1845786=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1812132)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2023330, _2023332), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1812132), _2023306, fail)), '$restore_trace'(_2023330, _2023332))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2023330, _2023332))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1812132), _2023306, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1812132)
   Fail: (211) [system] atomic(_1812132)
   Call: (211) [system] atom_chars(_1812132, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _2032706)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2034564)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _2042302)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2045006)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _2060084)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _2065654)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2067512)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _2081666)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _2065654)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2087236)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _8820)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _14390)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _16248)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _30402)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _14390)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _48044)
   Call: (214) [system] peek_char((0x558d99e6bec0), _48978)
   Exit: (214) [system] peek_char((0x558d99e6bec0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_53698, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_54630, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x558d99e6bec0), r)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _61980)
   Call: (215) [system] peek_char((0x558d99e6bec0), _62914)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_67634, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_68566, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _75916)
   Call: (216) [system] peek_char((0x558d99e6bec0), _76850)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_81570, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_82502, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _89852)
   Call: (217) [system] peek_char((0x558d99e6bec0), _90786)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_95506, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_96438, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _103788)
   Call: (218) [system] peek_char((0x558d99e6bec0), _104722)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_109442, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_110374, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _117724)
   Call: (219) [system] peek_char((0x558d99e6bec0), _118658)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _117724=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _103788=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _89852=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _75916=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _61980=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _48044=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _14390)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_141938, _141940), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _14390), _141914, fail)), '$restore_trace'(_141938, _141940))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_141938, _141940))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _14390), _141914, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_14390)
   Fail: (214) [system] atomic(_14390)
   Call: (214) [system] atom_chars(_14390, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _151314)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _153172)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _160910)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _163614)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _178692)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _184262)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _186120)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _200274)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _184262)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _217916)
   Call: (215) [system] peek_char((0x558d99e6bec0), _218850)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _217916=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _184262)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_228160, _228162), once(user:catch(read_from_chars(['C'], _184262), _228136, fail)), '$restore_trace'(_228160, _228162))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_228160, _228162))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _184262), _228136, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_184262)
   Fail: (215) [system] atomic(_184262)
   Call: (215) [system] atom_chars(_184262, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _237536)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _239394)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _247132)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _249836)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _264914)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _270484)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _272342)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _286496)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _270484)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _304138)
   Call: (216) [system] peek_char((0x558d99e6bec0), _305072)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_309792, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _304138=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('D', [], _270484)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_316254, _316256), once(user:catch(read_from_chars(['D'], _270484), _316230, fail)), '$restore_trace'(_316254, _316256))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_316254, _316256))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _270484), _316230, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_270484)
   Fail: (216) [system] atomic(_270484)
   Call: (216) [system] atom_chars(_270484, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _325630)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _327488)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _341642)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _345432)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _325630=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _237536=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (212) [system] _151314=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (211) [system] _4310=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _359314)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _361172)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _368910)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _371614)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _386692)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _392262)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _394120)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _408274)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _392262)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _425916)
   Call: (213) [system] peek_char((0x558d99e6bec0), _426850)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_431570, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _425916=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('E', [], _392262)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_438032, _438034), once(user:catch(read_from_chars(['E'], _392262), _438008, fail)), '$restore_trace'(_438032, _438034))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_438032, _438034))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _392262), _438008, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_392262)
   Fail: (213) [system] atomic(_392262)
   Call: (213) [system] atom_chars(_392262, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _447408)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _449266)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _463420)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _467210)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _447408=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _359314=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (209) [system] _4306=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _4298=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _481092)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _482950)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _497104)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _500894)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _481092=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _4294=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (205) [system] _4252=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (205) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (204) [system] _4244=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (204) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _514776)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _516634)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _530788)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _534578)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _514776=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _4240=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (202) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (201) [system] _4216=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (201) [system] [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (200) [system] _4208=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (200) [system] [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _548460)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _550318)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x558d99e6bec0), _559912)
   Exit: (200) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _562616)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (201) [system] '\t'=(;)
   Fail: (201) [system] '\t'=(;)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x558d99e6bec0), _570354)
   Exit: (201) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _573058)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x558d99e6bec0), _580796)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _583500)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _591238)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _593942)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _611792)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _617362)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _619220)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _633374)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _617362)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _638944)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _653098)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _658668)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _660526)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _674680)
   Exit: (202) [system] get_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, _658668)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692322)
   Call: (204) [system] peek_char((0x558d99e6bec0), _693256)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _692322=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _658668)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_702566, _702568), once(user:catch(read_from_chars([:], _658668), _702542, fail)), '$restore_trace'(_702566, _702568))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_702566, _702568))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _702542, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _710066)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _711924)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _719662)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _722366)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _737444)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _743014)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _744872)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _759026)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _743014)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _764596)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=(;)
   Fail: (205) [system] 'C'=(;)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Fail: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Fail: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Fail: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
   Fail: (206) [system] char_type('C', cntrl)
^  Fail: (205) [user] is_like_space('C')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _778750)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _784320)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _786178)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _800332)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _784320)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _817974)
   Call: (207) [system] peek_char((0x558d99e6bec0), _818908)
   Exit: (207) [system] peek_char((0x558d99e6bec0), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Fail: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_823628, v('(', ')', end_of_file), o)
   Fail: (208) [system] arg(_824560, v('(', ')', end_of_file), o)
^  Fail: (207) [user] is_delimiter(o)
   Call: (207) [system] ')'==o
   Fail: (207) [system] ')'==o
   Call: (207) [system] get_char((0x558d99e6bec0), o)
   Exit: (207) [system] get_char((0x558d99e6bec0), o)
   Call: (207) [system] o=(\)
   Fail: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _831910)
   Call: (208) [system] peek_char((0x558d99e6bec0), _832844)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_837564, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_838496, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _845846)
   Call: (209) [system] peek_char((0x558d99e6bec0), _846780)
   Exit: (209) [system] peek_char((0x558d99e6bec0), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_851500, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_852432, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x558d99e6bec0), j)
   Exit: (209) [system] get_char((0x558d99e6bec0), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _859782)
   Call: (210) [system] peek_char((0x558d99e6bec0), _860716)
   Exit: (210) [system] peek_char((0x558d99e6bec0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_865436, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_866368, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x558d99e6bec0), u)
   Exit: (210) [system] get_char((0x558d99e6bec0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _873718)
   Call: (211) [system] peek_char((0x558d99e6bec0), _874652)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_879372, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_880304, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _887654)
   Call: (212) [system] peek_char((0x558d99e6bec0), _888588)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_893308, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_894240, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _901590)
   Call: (213) [system] peek_char((0x558d99e6bec0), _902524)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_907244, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_908176, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _915526)
   Call: (214) [system] peek_char((0x558d99e6bec0), _916460)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_921180, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_922112, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _929462)
   Call: (215) [system] peek_char((0x558d99e6bec0), _930396)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_935116, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_936048, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _943398)
   Call: (216) [system] peek_char((0x558d99e6bec0), _944332)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_949052, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_949984, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _957334)
   Call: (217) [system] peek_char((0x558d99e6bec0), _958268)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_962988, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_963920, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (217) [system] get_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _971270)
   Call: (218) [system] peek_char((0x558d99e6bec0), _972204)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_976924, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_977856, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _985206)
   Call: (219) [system] peek_char((0x558d99e6bec0), _986140)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_990860, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_991792, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _999142)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1000076)
   Exit: (220) [system] peek_char((0x558d99e6bec0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1004796, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_1005728, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x558d99e6bec0), r)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1013078)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1014012)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1018732, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1019664, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1027014)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1027948)
   Exit: (222) [system] peek_char((0x558d99e6bec0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1032668, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1033600, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x558d99e6bec0), d)
   Exit: (222) [system] get_char((0x558d99e6bec0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1040950)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1041884)
   Exit: (223) [system] peek_char((0x558d99e6bec0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1046604, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1047536, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x558d99e6bec0), u)
   Exit: (223) [system] get_char((0x558d99e6bec0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1054886)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1055820)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1060540, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1061472, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1068822)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1069756)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1074476, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1075408, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1082758)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1083692)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1088412, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1089344, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1096694)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1097628)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1102348, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1103280, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1110630)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1111564)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1116284, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1117216, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1124566)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1125500)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1124566=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1110630=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (227) [system] _1096694=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (226) [system] _1082758=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (225) [system] _1068822=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (224) [system] _1054886=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (223) [system] _1040950=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (222) [system] _1027014=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (221) [system] _1013078=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _999142=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _985206=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _971270=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _957334=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _943398=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _929462=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _915526=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _901590=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _887654=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _873718=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _859782=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _845846=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _831910=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _817974=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _784320)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1196278, _1196280), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _784320), _1196254, fail)), '$restore_trace'(_1196278, _1196280))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1196278, _1196280))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _784320), _1196254, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_784320)
   Fail: (207) [system] atomic(_784320)
   Call: (207) [system] atom_chars(_784320, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1205654)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1207512)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1215250)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1217954)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1233032)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
   Call: (205) [system] c=')'
   Fail: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
   Fail: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1238602)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1240460)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(;)
   Fail: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Fail: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Fail: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
   Fail: (208) [system] char_type(c, cntrl)
^  Fail: (207) [user] is_like_space(c)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1254614)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c='('
   Fail: (206) [system] c='('
   Call: (206) [system] c='['
   Fail: (206) [system] c='['
   Call: (206) [system] c='{'
   Fail: (206) [system] c='{'
   Call: (206) [system] c='"'
   Fail: (206) [system] c='"'
   Call: (206) [system] c=!
   Fail: (206) [system] c=!
   Call: (206) [system] c='\''
   Fail: (206) [system] c='\''
   Call: (206) [system] c='`'
   Fail: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), c, _1238602)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1272256)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1273190)
   Exit: (208) [system] peek_char((0x558d99e6bec0), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Fail: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_1277910, v('(', ')', end_of_file), d)
   Fail: (209) [system] arg(_1278842, v('(', ')', end_of_file), d)
^  Fail: (208) [user] is_delimiter(d)
   Call: (208) [system] ')'==d
   Fail: (208) [system] ')'==d
   Call: (208) [system] get_char((0x558d99e6bec0), d)
   Exit: (208) [system] get_char((0x558d99e6bec0), d)
   Call: (208) [system] d=(\)
   Fail: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1286192)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1287126)
   Exit: (209) [system] peek_char((0x558d99e6bec0), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Fail: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1291846, v('(', ')', end_of_file), e)
   Fail: (210) [system] arg(_1292778, v('(', ')', end_of_file), e)
^  Fail: (209) [user] is_delimiter(e)
   Call: (209) [system] ')'==e
   Fail: (209) [system] ')'==e
   Call: (209) [system] get_char((0x558d99e6bec0), e)
   Exit: (209) [system] get_char((0x558d99e6bec0), e)
   Call: (209) [system] e=(\)
   Fail: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1300128)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1301062)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1300128=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1286192=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (208) [system] _1272256=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (207) [user] classify_and_convert_charseq(c, [d, e], _1238602)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1315960, _1315962), once(user:catch(read_from_chars([c, d, e], _1238602), _1315936, fail)), '$restore_trace'(_1315960, _1315962))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1315960, _1315962))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1315936, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1323460)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1325318)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1333056)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1335760)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1350838)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1356408)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1358266)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1372420)
   Exit: (207) [system] get_char((0x558d99e6bec0), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), a, _1356408)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1390062)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1390996)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1395716, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1390062=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq(a, [], _1356408)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1402178, _1402180), once(user:catch(read_from_chars([a], _1356408), _1402154, fail)), '$restore_trace'(_1402178, _1402180))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1402178, _1402180))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1402154, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(a)
   Exit: (209) [system] atomic(a)
^  Exit: (208) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1409678)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1411536)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1425690)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _1429480)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _1409678=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1323460=[a]
   Exit: (206) [system] [a]=[a]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (205) [system] _1205654=[cde, a]
   Exit: (205) [system] [cde, a]=[cde, a]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [cde, a])
   Call: (204) [system] _743014=['ConjunctionIntroduction', cde, a]
   Exit: (204) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, a])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, a])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1443362)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1445220)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1452958)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1455662)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1470740)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1476310)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1478168)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1492322)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1476310)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1497892)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1512046)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1517616)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1519474)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1533628)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1517616)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1551270)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1552204)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1556924, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1557856, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1565206)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1566140)
   Exit: (209) [system] peek_char((0x558d99e6bec0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1570860, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1571792, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x558d99e6bec0), d)
   Exit: (209) [system] get_char((0x558d99e6bec0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1579142)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1580076)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1584796, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_1585728, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (210) [system] get_char((0x558d99e6bec0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1593078)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1594012)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1598732, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1599664, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1607014)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1607948)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1612668, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1613600, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1620950)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1621884)
   Exit: (213) [system] peek_char((0x558d99e6bec0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1626604, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_1627536, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x558d99e6bec0), k)
   Exit: (213) [system] get_char((0x558d99e6bec0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1634886)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1635820)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1634886=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1620950=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (212) [system] _1607014=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (211) [system] _1593078=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (210) [system] _1579142=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (209) [system] _1565206=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (208) [system] _1551270=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1517616)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1661894, _1661896), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1517616), _1661870, fail)), '$restore_trace'(_1661894, _1661896))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1661894, _1661896))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1517616), _1661870, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1517616)
   Fail: (208) [system] atomic(_1517616)
   Call: (208) [system] atom_chars(_1517616, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1671270)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1673128)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1680866)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1683570)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1698648)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1704218)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1706076)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1720230)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1704218)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1725800)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1739954)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1745524)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1747382)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1761536)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1745524)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1779178)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1780112)
   Exit: (211) [system] peek_char((0x558d99e6bec0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1784832, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_1785764, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x558d99e6bec0), m)
   Exit: (211) [system] get_char((0x558d99e6bec0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1793114)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1794048)
   Exit: (212) [system] peek_char((0x558d99e6bec0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1798768, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_1799700, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x558d99e6bec0), p)
   Exit: (212) [system] get_char((0x558d99e6bec0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1807050)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1807984)
   Exit: (213) [system] peek_char((0x558d99e6bec0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1812704, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_1813636, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x558d99e6bec0), l)
   Exit: (213) [system] get_char((0x558d99e6bec0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1820986)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1821920)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1826640, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1827572, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1834922)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1835856)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1840576, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1841508, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1848858)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1849792)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1854512, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_1855444, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x558d99e6bec0), a)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1862794)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1863728)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1868448, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1869380, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1876730)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1877664)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1882384, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1883316, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1890666)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1891600)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1896320, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1897252, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1904602)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1905536)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1910256, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1911188, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1918538)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1919472)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1918538=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1904602=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (219) [system] _1890666=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (218) [system] _1876730=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (217) [system] _1862794=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (216) [system] _1848858=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (215) [system] _1834922=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (214) [system] _1820986=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (213) [system] _1807050=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1793114=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1779178=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1745524)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1956722, _1956724), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1745524), _1956698, fail)), '$restore_trace'(_1956722, _1956724))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1956722, _1956724))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1745524), _1956698, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1745524)
   Fail: (211) [system] atomic(_1745524)
   Call: (211) [system] atom_chars(_1745524, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1966098)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1967956)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1975694)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1978398)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1993476)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1999046)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2000904)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _2015058)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1999046)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2020628)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2034782)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _2040352)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2042210)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _2056364)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _2040352)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2074006)
   Call: (214) [system] peek_char((0x558d99e6bec0), _2074940)
   Exit: (214) [system] peek_char((0x558d99e6bec0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_2079660, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_2080592, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x558d99e6bec0), r)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2087942)
   Call: (215) [system] peek_char((0x558d99e6bec0), _2088876)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_2093596, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_2094528, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _9488)
   Call: (216) [system] peek_char((0x558d99e6bec0), _10422)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_15142, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_16074, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _23424)
   Call: (217) [system] peek_char((0x558d99e6bec0), _24358)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_29078, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_30010, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _37360)
   Call: (218) [system] peek_char((0x558d99e6bec0), _38294)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_43014, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_43946, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _51296)
   Call: (219) [system] peek_char((0x558d99e6bec0), _52230)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _51296=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _37360=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _23424=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _9488=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _4414=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _4410=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _4406)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_75510, _75512), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _4406), _75486, fail)), '$restore_trace'(_75510, _75512))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_75510, _75512))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _4406), _75486, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_4406)
   Fail: (214) [system] atomic(_4406)
   Call: (214) [system] atom_chars(_4406, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _84886)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _86744)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _94482)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _97186)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _112264)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _117834)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _119692)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _133846)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _117834)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _151488)
   Call: (215) [system] peek_char((0x558d99e6bec0), _152422)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _151488=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _117834)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_161732, _161734), once(user:catch(read_from_chars(['C'], _117834), _161708, fail)), '$restore_trace'(_161732, _161734))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_161732, _161734))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _117834), _161708, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_117834)
   Fail: (215) [system] atomic(_117834)
   Call: (215) [system] atom_chars(_117834, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _171108)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _172966)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _180704)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _183408)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _198486)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _204056)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _205914)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _220068)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _204056)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _237710)
   Call: (216) [system] peek_char((0x558d99e6bec0), _238644)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_243364, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _237710=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('D', [], _204056)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_249826, _249828), once(user:catch(read_from_chars(['D'], _204056), _249802, fail)), '$restore_trace'(_249826, _249828))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_249826, _249828))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _204056), _249802, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_204056)
   Fail: (216) [system] atomic(_204056)
   Call: (216) [system] atom_chars(_204056, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _259202)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _261060)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _275214)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _279004)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _259202=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _171108=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (212) [system] _84886=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (211) [system] _4400=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _292886)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _294744)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _302482)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _305186)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _320264)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (210) [system] 'E'=')'
   Fail: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
   Fail: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _325834)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _327692)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (212) [system] 'E'=(;)
   Fail: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Fail: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Fail: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Fail: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
   Fail: (213) [system] char_type('E', cntrl)
^  Fail: (212) [user] is_like_space('E')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _341846)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'E')
   Call: (211) [system] 'E'='('
   Fail: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Fail: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Fail: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Fail: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Fail: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Fail: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Fail: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _325834)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _359488)
   Call: (213) [system] peek_char((0x558d99e6bec0), _360422)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_365142, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _359488=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('E', [], _325834)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_371604, _371606), once(user:catch(read_from_chars(['E'], _325834), _371580, fail)), '$restore_trace'(_371604, _371606))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_371604, _371606))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _325834), _371580, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_325834)
   Fail: (213) [system] atomic(_325834)
   Call: (213) [system] atom_chars(_325834, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _380980)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _382838)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _396992)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _400782)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _380980=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _292886=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (209) [system] _4396=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _4388=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _414664)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _416522)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _424260)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _426964)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _442042)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _447612)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _449470)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _463624)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _447612)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _481266)
   Call: (210) [system] peek_char((0x558d99e6bec0), _482200)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_486920, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _481266=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _447612)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_493382, _493384), once(user:catch(read_from_chars(['A'], _447612), _493358, fail)), '$restore_trace'(_493382, _493384))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_493382, _493384))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _447612), _493358, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_447612)
   Fail: (210) [system] atomic(_447612)
   Call: (210) [system] atom_chars(_447612, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _502758)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _504616)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _518770)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _522560)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _502758=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _414664=['A']
   Exit: (207) [system] ['A']=['A']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (206) [system] _4384=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (205) [system] _4376=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (205) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _536442)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _538300)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _552454)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _556244)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _536442=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _4372=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (203) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (202) [system] _4348=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (202) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (201) [system] _4340=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (201) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _570126)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _571984)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x558d99e6bec0), _581578)
   Exit: (201) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _584282)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (202) [system] '\t'=(;)
   Fail: (202) [system] '\t'=(;)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x558d99e6bec0), _592020)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _594724)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x558d99e6bec0), _602462)
   Exit: (203) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _605166)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _612904)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _615608)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _633458)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _639028)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _640886)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _655040)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _639028)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _660610)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _674764)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _680334)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _682192)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _696346)
   Exit: (203) [system] get_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, _680334)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713988)
   Call: (205) [system] peek_char((0x558d99e6bec0), _714922)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _713988=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _680334)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_724232, _724234), once(user:catch(read_from_chars([:], _680334), _724208, fail)), '$restore_trace'(_724232, _724234))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_724232, _724234))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _724208, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _731732)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _733590)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _741328)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _744032)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _759110)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _764680)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _766538)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _780692)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _764680)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _786262)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _800416)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _805986)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _807844)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _821998)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _805986)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _839640)
   Call: (208) [system] peek_char((0x558d99e6bec0), _840574)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_845294, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_846226, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _853576)
   Call: (209) [system] peek_char((0x558d99e6bec0), _854510)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_859230, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_860162, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _867512)
   Call: (210) [system] peek_char((0x558d99e6bec0), _868446)
   Exit: (210) [system] peek_char((0x558d99e6bec0), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_873166, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_874098, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x558d99e6bec0), j)
   Exit: (210) [system] get_char((0x558d99e6bec0), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _881448)
   Call: (211) [system] peek_char((0x558d99e6bec0), _882382)
   Exit: (211) [system] peek_char((0x558d99e6bec0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_887102, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_888034, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x558d99e6bec0), u)
   Exit: (211) [system] get_char((0x558d99e6bec0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _895384)
   Call: (212) [system] peek_char((0x558d99e6bec0), _896318)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_901038, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_901970, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _909320)
   Call: (213) [system] peek_char((0x558d99e6bec0), _910254)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_914974, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_915906, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x558d99e6bec0), c)
   Exit: (213) [system] get_char((0x558d99e6bec0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _923256)
   Call: (214) [system] peek_char((0x558d99e6bec0), _924190)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_928910, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_929842, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _937192)
   Call: (215) [system] peek_char((0x558d99e6bec0), _938126)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_942846, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_943778, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _951128)
   Call: (216) [system] peek_char((0x558d99e6bec0), _952062)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_956782, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_957714, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _965064)
   Call: (217) [system] peek_char((0x558d99e6bec0), _965998)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_970718, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_971650, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _979000)
   Call: (218) [system] peek_char((0x558d99e6bec0), _979934)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_984654, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_985586, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _992936)
   Call: (219) [system] peek_char((0x558d99e6bec0), _993870)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_998590, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_999522, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1006872)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1007806)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1012526, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1013458, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1020808)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1021742)
   Exit: (221) [system] peek_char((0x558d99e6bec0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1026462, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1027394, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x558d99e6bec0), r)
   Exit: (221) [system] get_char((0x558d99e6bec0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1034744)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1035678)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1040398, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1041330, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1048680)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1049614)
   Exit: (223) [system] peek_char((0x558d99e6bec0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1054334, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1055266, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x558d99e6bec0), d)
   Exit: (223) [system] get_char((0x558d99e6bec0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1062616)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1063550)
   Exit: (224) [system] peek_char((0x558d99e6bec0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1068270, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1069202, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x558d99e6bec0), u)
   Exit: (224) [system] get_char((0x558d99e6bec0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1076552)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1077486)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1082206, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1083138, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1090488)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1091422)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1096142, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1097074, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1104424)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1105358)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1110078, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1111010, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1118360)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1119294)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1124014, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1124946, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1132296)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1133230)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1137950, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1138882, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1146232)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1147166)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1146232=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _1132296=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (228) [system] _1118360=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (227) [system] _1104424=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (226) [system] _1090488=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (225) [system] _1076552=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (224) [system] _1062616=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (223) [system] _1048680=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (222) [system] _1034744=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1020808=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1006872=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _992936=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _979000=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _965064=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _951128=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _937192=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _923256=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _909320=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _895384=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _881448=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _867512=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _853576=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _839640=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _805986)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1217944, _1217946), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _805986), _1217920, fail)), '$restore_trace'(_1217944, _1217946))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1217944, _1217946))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _805986), _1217920, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_805986)
   Fail: (208) [system] atomic(_805986)
   Call: (208) [system] atom_chars(_805986, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1227320)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1229178)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1236916)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1239620)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1254698)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
   Call: (206) [system] c=')'
   Fail: (206) [system] c=')'
   Call: (206) [system] c=end_of_file
   Fail: (206) [system] c=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1260268)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1262126)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(;)
   Fail: (208) [system] c=(;)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Fail: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Fail: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
   Fail: (209) [system] char_type(c, cntrl)
^  Fail: (208) [user] is_like_space(c)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1276280)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c='('
   Fail: (207) [system] c='('
   Call: (207) [system] c='['
   Fail: (207) [system] c='['
   Call: (207) [system] c='{'
   Fail: (207) [system] c='{'
   Call: (207) [system] c='"'
   Fail: (207) [system] c='"'
   Call: (207) [system] c=!
   Fail: (207) [system] c=!
   Call: (207) [system] c='\''
   Fail: (207) [system] c='\''
   Call: (207) [system] c='`'
   Fail: (207) [system] c='`'
   Call: (207) [system] c=end_of_file
   Fail: (207) [system] c=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), c, _1260268)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1293922)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1294856)
   Exit: (209) [system] peek_char((0x558d99e6bec0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1299576, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_1300508, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x558d99e6bec0), d)
   Exit: (209) [system] get_char((0x558d99e6bec0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1307858)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1308792)
   Exit: (210) [system] peek_char((0x558d99e6bec0), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Fail: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1313512, v('(', ')', end_of_file), e)
   Fail: (211) [system] arg(_1314444, v('(', ')', end_of_file), e)
^  Fail: (210) [user] is_delimiter(e)
   Call: (210) [system] ')'==e
   Fail: (210) [system] ')'==e
   Call: (210) [system] get_char((0x558d99e6bec0), e)
   Exit: (210) [system] get_char((0x558d99e6bec0), e)
   Call: (210) [system] e=(\)
   Fail: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1321794)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1322728)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1321794=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1307858=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (209) [system] _1293922=[d, e]
   Exit: (209) [system] [d, e]=[d, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (208) [user] classify_and_convert_charseq(c, [d, e], _1260268)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1337626, _1337628), once(user:catch(read_from_chars([c, d, e], _1260268), _1337602, fail)), '$restore_trace'(_1337626, _1337628))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1337626, _1337628))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1337602, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1345126)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1346984)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1354722)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1357426)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1372504)
   Exit: (207) [system] peek_char((0x558d99e6bec0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1378074)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1379932)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1394086)
   Exit: (208) [system] get_char((0x558d99e6bec0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, _1378074)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1411728)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1412662)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1417382, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1411728=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq(a, [], _1378074)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1423844, _1423846), once(user:catch(read_from_chars([a], _1378074), _1423820, fail)), '$restore_trace'(_1423844, _1423846))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1423844, _1423846))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1423820, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(a)
   Exit: (210) [system] atomic(a)
^  Exit: (209) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1431344)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1433202)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1447356)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _1451146)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _1431344=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1345126=[a]
   Exit: (207) [system] [a]=[a]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (206) [system] _1227320=[cde, a]
   Exit: (206) [system] [cde, a]=[cde, a]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [cde, a])
   Call: (205) [system] _764680=['ConjunctionIntroduction', cde, a]
   Exit: (205) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, a])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', cde, a])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1465028)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1466886)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1474624)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1477328)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1492406)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1497976)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1499834)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1513988)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1497976)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1519558)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1533712)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1539282)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1541140)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1555294)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1539282)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1572936)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1573870)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1578590, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1579522, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1586872)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1587806)
   Exit: (210) [system] peek_char((0x558d99e6bec0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1592526, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1593458, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x558d99e6bec0), d)
   Exit: (210) [system] get_char((0x558d99e6bec0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1600808)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1601742)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1606462, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1607394, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1614744)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1615678)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1620398, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1621330, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1628680)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1629614)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1634334, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1635266, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1642616)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1643550)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1648270, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1649202, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1656552)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1657486)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1656552=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1642616=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _1628680=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _1614744=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _1600808=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _1586872=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (209) [system] _1572936=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1539282)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1683560, _1683562), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1539282), _1683536, fail)), '$restore_trace'(_1683560, _1683562))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1683560, _1683562))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1539282), _1683536, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1539282)
   Fail: (209) [system] atomic(_1539282)
   Call: (209) [system] atom_chars(_1539282, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1692936)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1694794)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1702532)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1705236)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1720314)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1725884)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1727742)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1741896)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1725884)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1747466)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1761620)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1767190)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1769048)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1783202)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1767190)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1800844)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1801778)
   Exit: (212) [system] peek_char((0x558d99e6bec0), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_1806498, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_1807430, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x558d99e6bec0), m)
   Exit: (212) [system] get_char((0x558d99e6bec0), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1814780)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1815714)
   Exit: (213) [system] peek_char((0x558d99e6bec0), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_1820434, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_1821366, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x558d99e6bec0), p)
   Exit: (213) [system] get_char((0x558d99e6bec0), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1828716)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1829650)
   Exit: (214) [system] peek_char((0x558d99e6bec0), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_1834370, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_1835302, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x558d99e6bec0), l)
   Exit: (214) [system] get_char((0x558d99e6bec0), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842652)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1843586)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1848306, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1849238, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856588)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1857522)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1862242, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1863174, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1870524)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1871458)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_1876178, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_1877110, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x558d99e6bec0), a)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1884460)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1885394)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1890114, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1891046, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1898396)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1899330)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1904050, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1904982, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1912332)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1913266)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1917986, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1918918, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1926268)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1927202)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1931922, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1932854, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1940204)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1941138)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1940204=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1926268=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (220) [system] _1912332=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (219) [system] _1898396=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (218) [system] _1884460=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (217) [system] _1870524=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (216) [system] _1856588=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (215) [system] _1842652=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (214) [system] _1828716=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _1814780=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _1800844=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1767190)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1978388, _1978390), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1767190), _1978364, fail)), '$restore_trace'(_1978388, _1978390))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1978388, _1978390))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1767190), _1978364, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1767190)
   Fail: (212) [system] atomic(_1767190)
   Call: (212) [system] atom_chars(_1767190, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1987764)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1989622)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1997360)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2000064)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2015142)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _2020712)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2022570)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _2036724)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _2020712)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2042294)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2056448)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _2062018)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2063876)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _2078030)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _2062018)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2095672)
   Call: (215) [system] peek_char((0x558d99e6bec0), _4510)
   Exit: (215) [system] peek_char((0x558d99e6bec0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_9046, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_9978, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x558d99e6bec0), r)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _17328)
   Call: (216) [system] peek_char((0x558d99e6bec0), _18262)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_22982, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_23914, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _31264)
   Call: (217) [system] peek_char((0x558d99e6bec0), _32198)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_36918, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_37850, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _45200)
   Call: (218) [system] peek_char((0x558d99e6bec0), _46134)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_50854, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_51786, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _59136)
   Call: (219) [system] peek_char((0x558d99e6bec0), _60070)
   Exit: (219) [system] peek_char((0x558d99e6bec0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_64790, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_65722, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x558d99e6bec0), k)
   Exit: (219) [system] get_char((0x558d99e6bec0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _73072)
   Call: (220) [system] peek_char((0x558d99e6bec0), _74006)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _73072=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _59136=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (218) [system] _45200=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (217) [system] _31264=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (216) [system] _17328=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (215) [system] _4506=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _4502)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_97286, _97288), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _4502), _97262, fail)), '$restore_trace'(_97286, _97288))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_97286, _97288))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _4502), _97262, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_4502)
   Fail: (215) [system] atomic(_4502)
   Call: (215) [system] atom_chars(_4502, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _106662)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _108520)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _116258)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _118962)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _134040)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _139610)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _141468)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _155622)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _139610)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _173264)
   Call: (216) [system] peek_char((0x558d99e6bec0), _174198)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _173264=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _139610)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_183508, _183510), once(user:catch(read_from_chars(['C'], _139610), _183484, fail)), '$restore_trace'(_183508, _183510))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_183508, _183510))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _139610), _183484, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_139610)
   Fail: (216) [system] atomic(_139610)
   Call: (216) [system] atom_chars(_139610, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _192884)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _194742)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _202480)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _205184)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _220262)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _225832)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _227690)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _241844)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _225832)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _259486)
   Call: (217) [system] peek_char((0x558d99e6bec0), _260420)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_265140, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _259486=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('D', [], _225832)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_271602, _271604), once(user:catch(read_from_chars(['D'], _225832), _271578, fail)), '$restore_trace'(_271602, _271604))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_271602, _271604))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _225832), _271578, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_225832)
   Fail: (217) [system] atomic(_225832)
   Call: (217) [system] atom_chars(_225832, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _280978)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _282836)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _296990)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _300780)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _280978=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _192884=['D']
   Exit: (214) [system] ['D']=['D']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (213) [system] _106662=['C', 'D']
   Exit: (213) [system] ['C', 'D']=['C', 'D']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (212) [system] _4496=['OrLink', 'C', 'D']
   Exit: (212) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _314662)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _316520)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _324258)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _326962)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _342040)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (211) [system] 'E'=')'
   Fail: (211) [system] 'E'=')'
   Call: (211) [system] 'E'=end_of_file
   Fail: (211) [system] 'E'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _347610)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _349468)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (213) [system] 'E'=(;)
   Fail: (213) [system] 'E'=(;)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Fail: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Fail: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Fail: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
   Fail: (214) [system] char_type('E', cntrl)
^  Fail: (213) [user] is_like_space('E')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _363622)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'E')
   Call: (212) [system] 'E'='('
   Fail: (212) [system] 'E'='('
   Call: (212) [system] 'E'='['
   Fail: (212) [system] 'E'='['
   Call: (212) [system] 'E'='{'
   Fail: (212) [system] 'E'='{'
   Call: (212) [system] 'E'='"'
   Fail: (212) [system] 'E'='"'
   Call: (212) [system] 'E'=!
   Fail: (212) [system] 'E'=!
   Call: (212) [system] 'E'='\''
   Fail: (212) [system] 'E'='\''
   Call: (212) [system] 'E'='`'
   Fail: (212) [system] 'E'='`'
   Call: (212) [system] 'E'=end_of_file
   Fail: (212) [system] 'E'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _347610)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _381264)
   Call: (214) [system] peek_char((0x558d99e6bec0), _382198)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_386918, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _381264=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('E', [], _347610)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_393380, _393382), once(user:catch(read_from_chars(['E'], _347610), _393356, fail)), '$restore_trace'(_393380, _393382))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_393380, _393382))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _347610), _393356, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_347610)
   Fail: (214) [system] atomic(_347610)
   Call: (214) [system] atom_chars(_347610, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _402756)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _404614)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _418768)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _422558)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _402756=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _314662=['E']
   Exit: (211) [system] ['E']=['E']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (210) [system] _4492=[['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (209) [system] _4484=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _436440)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _438298)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _446036)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _448740)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _463818)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _469388)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _471246)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _485400)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _469388)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _503042)
   Call: (211) [system] peek_char((0x558d99e6bec0), _503976)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_508696, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _503042=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _469388)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_515158, _515160), once(user:catch(read_from_chars(['B'], _469388), _515134, fail)), '$restore_trace'(_515158, _515160))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_515158, _515160))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _469388), _515134, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_469388)
   Fail: (211) [system] atomic(_469388)
   Call: (211) [system] atom_chars(_469388, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _524534)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _526392)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _540546)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _544336)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _524534=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _436440=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (207) [system] _4480=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (207) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (206) [system] _4472=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (206) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _558218)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _560076)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _574230)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _578020)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _558218=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _4468=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (204) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (203) [system] _4444=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (203) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (202) [system] _4436=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (202) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _591902)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _593760)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x558d99e6bec0), _603354)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _606058)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (203) [system] '\t'=(;)
   Fail: (203) [system] '\t'=(;)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x558d99e6bec0), _613796)
   Exit: (203) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _616500)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x558d99e6bec0), _624238)
   Exit: (204) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _626942)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _634680)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _637384)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _655234)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _660804)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _662662)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _676816)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _660804)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _682386)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _696540)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _702110)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _703968)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _718122)
   Exit: (204) [system] get_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), :, _702110)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _735764)
   Call: (206) [system] peek_char((0x558d99e6bec0), _736698)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _735764=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq(:, [], _702110)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_746008, _746010), once(user:catch(read_from_chars([:], _702110), _745984, fail)), '$restore_trace'(_746008, _746010))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_746008, _746010))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _745984, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _753508)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _755366)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _763104)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _765808)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _780886)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _786456)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _788314)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _802468)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _786456)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _808038)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _822192)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _827762)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _829620)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _843774)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _827762)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861416)
   Call: (209) [system] peek_char((0x558d99e6bec0), _862350)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_867070, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_868002, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875352)
   Call: (210) [system] peek_char((0x558d99e6bec0), _876286)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_881006, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_881938, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889288)
   Call: (211) [system] peek_char((0x558d99e6bec0), _890222)
   Exit: (211) [system] peek_char((0x558d99e6bec0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_894942, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_895874, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x558d99e6bec0), j)
   Exit: (211) [system] get_char((0x558d99e6bec0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _903224)
   Call: (212) [system] peek_char((0x558d99e6bec0), _904158)
   Exit: (212) [system] peek_char((0x558d99e6bec0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_908878, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_909810, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x558d99e6bec0), u)
   Exit: (212) [system] get_char((0x558d99e6bec0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _917160)
   Call: (213) [system] peek_char((0x558d99e6bec0), _918094)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_922814, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_923746, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _931096)
   Call: (214) [system] peek_char((0x558d99e6bec0), _932030)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_936750, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_937682, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945032)
   Call: (215) [system] peek_char((0x558d99e6bec0), _945966)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_950686, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_951618, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _958968)
   Call: (216) [system] peek_char((0x558d99e6bec0), _959902)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_964622, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_965554, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _972904)
   Call: (217) [system] peek_char((0x558d99e6bec0), _973838)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_978558, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_979490, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _986840)
   Call: (218) [system] peek_char((0x558d99e6bec0), _987774)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_992494, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_993426, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1000776)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1001710)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1006430, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1007362, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1014712)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1015646)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1020366, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1021298, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028648)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1029582)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1034302, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1035234, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1042584)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1043518)
   Exit: (222) [system] peek_char((0x558d99e6bec0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1048238, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1049170, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x558d99e6bec0), r)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1056520)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1057454)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1062174, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1063106, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1070456)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1071390)
   Exit: (224) [system] peek_char((0x558d99e6bec0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1076110, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1077042, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x558d99e6bec0), d)
   Exit: (224) [system] get_char((0x558d99e6bec0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1084392)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1085326)
   Exit: (225) [system] peek_char((0x558d99e6bec0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1090046, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1090978, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x558d99e6bec0), u)
   Exit: (225) [system] get_char((0x558d99e6bec0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1098328)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1099262)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1103982, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1104914, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1112264)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1113198)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1117918, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1118850, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1126200)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1127134)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1131854, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1132786, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1140136)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1141070)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1145790, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1146722, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154072)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1155006)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1159726, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1160658, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168008)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1168942)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1168008=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1154072=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (229) [system] _1140136=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (228) [system] _1126200=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (227) [system] _1112264=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (226) [system] _1098328=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (225) [system] _1084392=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (224) [system] _1070456=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1056520=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1042584=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1028648=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1014712=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1000776=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _986840=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _972904=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _958968=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _945032=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _931096=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _917160=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _903224=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _889288=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _875352=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _861416=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _827762)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1239720, _1239722), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _827762), _1239696, fail)), '$restore_trace'(_1239720, _1239722))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1239720, _1239722))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _827762), _1239696, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_827762)
   Fail: (209) [system] atomic(_827762)
   Call: (209) [system] atom_chars(_827762, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1249096)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1250954)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1258692)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1261396)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1276474)
   Exit: (207) [system] peek_char((0x558d99e6bec0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1282044)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1283902)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1298056)
   Exit: (208) [system] get_char((0x558d99e6bec0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, _1282044)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1315698)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1316632)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1315698=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq(a, [], _1282044)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1325942, _1325944), once(user:catch(read_from_chars([a], _1282044), _1325918, fail)), '$restore_trace'(_1325942, _1325944))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1325942, _1325944))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1325918, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(a)
   Exit: (210) [system] atomic(a)
^  Exit: (209) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1333442)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1335300)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1343038)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1345742)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1360820)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1366390)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1368248)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1382402)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, _1366390)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1400044)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1400978)
   Exit: (211) [system] peek_char((0x558d99e6bec0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1405698, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1406630, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x558d99e6bec0), b)
   Exit: (211) [system] get_char((0x558d99e6bec0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1413980)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1414914)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1419634, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1420566, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1427916)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1428850)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1433570, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1427916=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1413980=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (211) [system] _1400044=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _1366390)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1445620, _1445622), once(user:catch(read_from_chars([a, b, c], _1366390), _1445596, fail)), '$restore_trace'(_1445620, _1445622))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1445620, _1445622))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1445596, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1453120)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1454978)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1469132)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1472922)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1453120=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1333442=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (207) [system] _1249096=[a, abc]
   Exit: (207) [system] [a, abc]=[a, abc]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [a, abc])
   Call: (206) [system] _786456=['ConjunctionIntroduction', a, abc]
   Exit: (206) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, abc])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1486804)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1488662)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1496400)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1499104)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1514182)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1519752)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1521610)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1535764)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1519752)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1541334)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1555488)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1561058)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1562916)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1577070)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1561058)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594712)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1595646)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1600366, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1601298, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1608648)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1609582)
   Exit: (211) [system] peek_char((0x558d99e6bec0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1614302, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_1615234, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x558d99e6bec0), d)
   Exit: (211) [system] get_char((0x558d99e6bec0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1622584)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1623518)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1628238, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1629170, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1636520)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1637454)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1642174, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1643106, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1650456)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1651390)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1656110, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1657042, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1664392)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1665326)
   Exit: (215) [system] peek_char((0x558d99e6bec0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1670046, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1670978, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x558d99e6bec0), k)
   Exit: (215) [system] get_char((0x558d99e6bec0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1678328)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1679262)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1678328=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1664392=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (214) [system] _1650456=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (213) [system] _1636520=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (212) [system] _1622584=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (211) [system] _1608648=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (210) [system] _1594712=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1561058)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1705336, _1705338), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1561058), _1705312, fail)), '$restore_trace'(_1705336, _1705338))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1705336, _1705338))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1561058), _1705312, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1561058)
   Fail: (210) [system] atomic(_1561058)
   Call: (210) [system] atom_chars(_1561058, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1714712)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1716570)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1724308)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1727012)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1742090)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1747660)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1749518)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1763672)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1747660)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781314)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1782248)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1781314=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('A', [], _1747660)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1791558, _1791560), once(user:catch(read_from_chars(['A'], _1747660), _1791534, fail)), '$restore_trace'(_1791558, _1791560))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1791558, _1791560))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1747660), _1791534, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1747660)
   Fail: (211) [system] atomic(_1747660)
   Call: (211) [system] atom_chars(_1747660, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1800934)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1802792)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1810530)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1813234)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1828312)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1833882)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1835740)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1849894)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1833882)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1855464)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1869618)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1875188)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1877046)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1891200)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1875188)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1908842)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1909776)
   Exit: (214) [system] peek_char((0x558d99e6bec0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1914496, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1915428, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x558d99e6bec0), m)
   Exit: (214) [system] get_char((0x558d99e6bec0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1922778)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1923712)
   Exit: (215) [system] peek_char((0x558d99e6bec0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1928432, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1929364, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x558d99e6bec0), p)
   Exit: (215) [system] get_char((0x558d99e6bec0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1936714)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1937648)
   Exit: (216) [system] peek_char((0x558d99e6bec0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1942368, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1943300, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x558d99e6bec0), l)
   Exit: (216) [system] get_char((0x558d99e6bec0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1950650)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1951584)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1956304, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1957236, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1964586)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1965520)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1970240, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1971172, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1978522)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1979456)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1984176, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1985108, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x558d99e6bec0), a)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1992458)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1993392)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1998112, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1999044, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2006394)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2007328)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_2012048, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_2012980, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2020330)
   Call: (222) [system] peek_char((0x558d99e6bec0), _2021264)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_2025984, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_2026916, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2034266)
   Call: (223) [system] peek_char((0x558d99e6bec0), _2035200)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_2039920, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_2040852, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2048202)
   Call: (224) [system] peek_char((0x558d99e6bec0), _2049136)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _2048202=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _2034266=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (222) [system] _2020330=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (221) [system] _2006394=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (220) [system] _1992458=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (219) [system] _1978522=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (218) [system] _1964586=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (217) [system] _1950650=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (216) [system] _1936714=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1922778=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1908842=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1875188)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_2086386, _2086388), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1875188), _2086362, fail)), '$restore_trace'(_2086386, _2086388))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_2086386, _2086388))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1875188), _2086362, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1875188)
   Fail: (214) [system] atomic(_1875188)
   Call: (214) [system] atom_chars(_1875188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _2095762)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _5344)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _13082)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _15786)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _30864)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _36434)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _38292)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _52446)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _36434)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _58016)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _72170)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _77740)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _79598)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _93752)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _77740)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _111394)
   Call: (217) [system] peek_char((0x558d99e6bec0), _112328)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_117048, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_117980, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _125330)
   Call: (218) [system] peek_char((0x558d99e6bec0), _126264)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_130984, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_131916, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _139266)
   Call: (219) [system] peek_char((0x558d99e6bec0), _140200)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_144920, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_145852, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _153202)
   Call: (220) [system] peek_char((0x558d99e6bec0), _154136)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_158856, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_159788, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _167138)
   Call: (221) [system] peek_char((0x558d99e6bec0), _168072)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_172792, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_173724, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _181074)
   Call: (222) [system] peek_char((0x558d99e6bec0), _182008)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_186728, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_187660, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _195010)
   Call: (223) [system] peek_char((0x558d99e6bec0), _195944)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _195010=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _181074=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _167138=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _153202=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _139266=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _125330=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (217) [system] _111394=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _77740)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_222018, _222020), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _77740), _221994, fail)), '$restore_trace'(_222018, _222020))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_222018, _222020))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _77740), _221994, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_77740)
   Fail: (217) [system] atomic(_77740)
   Call: (217) [system] atom_chars(_77740, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _231394)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _233252)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _240990)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _243694)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _258772)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _264342)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _266200)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _280354)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _264342)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _297996)
   Call: (218) [system] peek_char((0x558d99e6bec0), _298930)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _297996=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _264342)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_308240, _308242), once(user:catch(read_from_chars(['A'], _264342), _308216, fail)), '$restore_trace'(_308240, _308242))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_308240, _308242))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _264342), _308216, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_264342)
   Fail: (218) [system] atomic(_264342)
   Call: (218) [system] atom_chars(_264342, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _317616)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _319474)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _327212)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _329916)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _344994)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _350564)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _352422)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _366576)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _350564)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _384218)
   Call: (219) [system] peek_char((0x558d99e6bec0), _385152)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_389872, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _384218=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _350564)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_396334, _396336), once(user:catch(read_from_chars(['B'], _350564), _396310, fail)), '$restore_trace'(_396334, _396336))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_396334, _396336))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _350564), _396310, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_350564)
   Fail: (219) [system] atomic(_350564)
   Call: (219) [system] atom_chars(_350564, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _405710)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _407568)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _421722)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _425512)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _405710=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _317616=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (215) [system] _231394=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (214) [system] _36434=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _439394)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _441252)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _448990)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _451694)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _466772)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _472342)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _474200)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _488354)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _472342)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _505996)
   Call: (216) [system] peek_char((0x558d99e6bec0), _506930)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_511650, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _505996=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _472342)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_518112, _518114), once(user:catch(read_from_chars(['C'], _472342), _518088, fail)), '$restore_trace'(_518112, _518114))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_518112, _518114))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _472342), _518088, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_472342)
   Fail: (216) [system] atomic(_472342)
   Call: (216) [system] atom_chars(_472342, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _527488)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _529346)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _543500)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _547290)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _527488=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _439394=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (212) [system] _4594=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4586=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _561172)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _563030)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _577184)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _580974)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _561172=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _4582=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _4576=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _4568=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _594856)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _596714)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _610868)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _614658)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _594856=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _4564=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4540=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4532=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _628540)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _630398)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x558d99e6bec0), _639992)
   Exit: (203) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _642696)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (204) [system] '\t'=(;)
   Fail: (204) [system] '\t'=(;)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x558d99e6bec0), _650434)
   Exit: (204) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _653138)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x558d99e6bec0), _660876)
   Exit: (205) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _663580)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _671318)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _674022)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _691872)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _697442)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _699300)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _713454)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _697442)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _719024)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _733178)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _738748)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _740606)
   Exit: (206) [system] peek_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _754760)
   Exit: (205) [system] get_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), :, _738748)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _772402)
   Call: (207) [system] peek_char((0x558d99e6bec0), _773336)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _772402=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (206) [user] classify_and_convert_charseq(:, [], _738748)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_782646, _782648), once(user:catch(read_from_chars([:], _738748), _782622, fail)), '$restore_trace'(_782646, _782648))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_782646, _782648))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _782622, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _790146)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _792004)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _799742)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _802446)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _817524)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _823094)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _824952)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _839106)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _823094)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _844676)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _858830)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _864400)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _866258)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _880412)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _864400)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _898054)
   Call: (210) [system] peek_char((0x558d99e6bec0), _898988)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_903708, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_904640, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _911990)
   Call: (211) [system] peek_char((0x558d99e6bec0), _912924)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_917644, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_918576, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _925926)
   Call: (212) [system] peek_char((0x558d99e6bec0), _926860)
   Exit: (212) [system] peek_char((0x558d99e6bec0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_931580, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_932512, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x558d99e6bec0), j)
   Exit: (212) [system] get_char((0x558d99e6bec0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _939862)
   Call: (213) [system] peek_char((0x558d99e6bec0), _940796)
   Exit: (213) [system] peek_char((0x558d99e6bec0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_945516, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_946448, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x558d99e6bec0), u)
   Exit: (213) [system] get_char((0x558d99e6bec0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _953798)
   Call: (214) [system] peek_char((0x558d99e6bec0), _954732)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_959452, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_960384, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _967734)
   Call: (215) [system] peek_char((0x558d99e6bec0), _968668)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_973388, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_974320, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _981670)
   Call: (216) [system] peek_char((0x558d99e6bec0), _982604)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_987324, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_988256, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _995606)
   Call: (217) [system] peek_char((0x558d99e6bec0), _996540)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1001260, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1002192, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1009542)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1010476)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1015196, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1016128, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1023478)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1024412)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1029132, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1030064, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1037414)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1038348)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1043068, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1044000, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051350)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1052284)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1057004, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1057936, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065286)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1066220)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1070940, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1071872, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1079222)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1080156)
   Exit: (223) [system] peek_char((0x558d99e6bec0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1084876, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1085808, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x558d99e6bec0), r)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1093158)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1094092)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1098812, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1099744, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107094)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1108028)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1112748, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1113680, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121030)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1121964)
   Exit: (226) [system] peek_char((0x558d99e6bec0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1126684, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1127616, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x558d99e6bec0), u)
   Exit: (226) [system] get_char((0x558d99e6bec0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1134966)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1135900)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1140620, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_1141552, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1148902)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1149836)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1154556, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1155488, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1162838)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1163772)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1168492, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1169424, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1176774)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1177708)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1182428, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1183360, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1190710)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1191644)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1196364, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1197296, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1204646)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1205580)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1204646=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1190710=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _1176774=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _1162838=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _1148902=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _1134966=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (226) [system] _1121030=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (225) [system] _1107094=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (224) [system] _1093158=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1079222=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1065286=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1051350=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1037414=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1023478=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1009542=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _995606=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _981670=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _967734=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _953798=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _939862=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _925926=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _911990=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _898054=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _864400)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1276358, _1276360), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _864400), _1276334, fail)), '$restore_trace'(_1276358, _1276360))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1276358, _1276360))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _864400), _1276334, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_864400)
   Fail: (210) [system] atomic(_864400)
   Call: (210) [system] atom_chars(_864400, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1285734)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1287592)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1295330)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1298034)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1313112)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1318682)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1320540)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1334694)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, _1318682)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1352336)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1353270)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1352336=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq(a, [], _1318682)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1362580, _1362582), once(user:catch(read_from_chars([a], _1318682), _1362556, fail)), '$restore_trace'(_1362580, _1362582))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1362580, _1362582))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1362556, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1370080)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1371938)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1379676)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1382380)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(;)
   Fail: (211) [system] c=(;)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Fail: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Fail: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
   Fail: (212) [system] char_type(c, cntrl)
^  Fail: (211) [user] is_like_space(c)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1397458)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
   Call: (209) [system] c=')'
   Fail: (209) [system] c=')'
   Call: (209) [system] c=end_of_file
   Fail: (209) [system] c=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1403028)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1404886)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(;)
   Fail: (211) [system] c=(;)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Fail: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Fail: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
   Fail: (212) [system] char_type(c, cntrl)
^  Fail: (211) [user] is_like_space(c)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1419040)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c='('
   Fail: (210) [system] c='('
   Call: (210) [system] c='['
   Fail: (210) [system] c='['
   Call: (210) [system] c='{'
   Fail: (210) [system] c='{'
   Call: (210) [system] c='"'
   Fail: (210) [system] c='"'
   Call: (210) [system] c=!
   Fail: (210) [system] c=!
   Call: (210) [system] c='\''
   Fail: (210) [system] c='\''
   Call: (210) [system] c='`'
   Fail: (210) [system] c='`'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), c, _1403028)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1436682)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1437616)
   Exit: (212) [system] peek_char((0x558d99e6bec0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1442336, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_1443268, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x558d99e6bec0), d)
   Exit: (212) [system] get_char((0x558d99e6bec0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1450618)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1451552)
   Exit: (213) [system] peek_char((0x558d99e6bec0), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Fail: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1456272, v('(', ')', end_of_file), e)
   Fail: (214) [system] arg(_1457204, v('(', ')', end_of_file), e)
^  Fail: (213) [user] is_delimiter(e)
   Call: (213) [system] ')'==e
   Fail: (213) [system] ')'==e
   Call: (213) [system] get_char((0x558d99e6bec0), e)
   Exit: (213) [system] get_char((0x558d99e6bec0), e)
   Call: (213) [system] e=(\)
   Fail: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1464554)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1465488)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1470208, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1464554=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1450618=[e]
   Exit: (213) [system] [e]=[e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (212) [system] _1436682=[d, e]
   Exit: (212) [system] [d, e]=[d, e]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (211) [user] classify_and_convert_charseq(c, [d, e], _1403028)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1482258, _1482260), once(user:catch(read_from_chars([c, d, e], _1403028), _1482234, fail)), '$restore_trace'(_1482258, _1482260))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1482258, _1482260))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1482234, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(cde)
   Exit: (212) [system] atomic(cde)
^  Exit: (211) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1489758)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1491616)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1505770)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1509560)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1489758=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1370080=[cde]
   Exit: (209) [system] [cde]=[cde]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (208) [system] _1285734=[a, cde]
   Exit: (208) [system] [a, cde]=[a, cde]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [a, cde])
   Call: (207) [system] _823094=['ConjunctionIntroduction', a, cde]
   Exit: (207) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, cde])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, cde])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1523442)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1525300)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1533038)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1535742)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1550820)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1556390)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1558248)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1572402)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1556390)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1577972)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1592126)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1597696)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1599554)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1613708)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1597696)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1631350)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1632284)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1637004, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1637936, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1645286)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1646220)
   Exit: (212) [system] peek_char((0x558d99e6bec0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1650940, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_1651872, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x558d99e6bec0), d)
   Exit: (212) [system] get_char((0x558d99e6bec0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1659222)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1660156)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1664876, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1665808, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1673158)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1674092)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1678812, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1679744, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1687094)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1688028)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1692748, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1693680, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1701030)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1701964)
   Exit: (216) [system] peek_char((0x558d99e6bec0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1706684, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1707616, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x558d99e6bec0), k)
   Exit: (216) [system] get_char((0x558d99e6bec0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1714966)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1715900)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1714966=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _1701030=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (215) [system] _1687094=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (214) [system] _1673158=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (213) [system] _1659222=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (212) [system] _1645286=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (211) [system] _1631350=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1597696)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1741974, _1741976), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1597696), _1741950, fail)), '$restore_trace'(_1741974, _1741976))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1741974, _1741976))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1597696), _1741950, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1597696)
   Fail: (211) [system] atomic(_1597696)
   Call: (211) [system] atom_chars(_1597696, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1751350)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1753208)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1760946)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1763650)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1778728)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1784298)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1786156)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1800310)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1784298)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1817952)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1818886)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1817952=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('A', [], _1784298)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1828196, _1828198), once(user:catch(read_from_chars(['A'], _1784298), _1828172, fail)), '$restore_trace'(_1828196, _1828198))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1828196, _1828198))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1784298), _1828172, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1784298)
   Fail: (212) [system] atomic(_1784298)
   Call: (212) [system] atom_chars(_1784298, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1837572)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1839430)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1847168)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1849872)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1864950)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1870520)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1872378)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1886532)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1870520)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1892102)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1906256)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1911826)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1913684)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1927838)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1911826)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1945480)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1946414)
   Exit: (215) [system] peek_char((0x558d99e6bec0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1951134, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_1952066, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x558d99e6bec0), m)
   Exit: (215) [system] get_char((0x558d99e6bec0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1959416)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1960350)
   Exit: (216) [system] peek_char((0x558d99e6bec0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1965070, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1966002, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x558d99e6bec0), p)
   Exit: (216) [system] get_char((0x558d99e6bec0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1973352)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1974286)
   Exit: (217) [system] peek_char((0x558d99e6bec0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1979006, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1979938, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x558d99e6bec0), l)
   Exit: (217) [system] get_char((0x558d99e6bec0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1987288)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1988222)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1992942, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1993874, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2001224)
   Call: (219) [system] peek_char((0x558d99e6bec0), _2002158)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_2006878, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_2007810, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2015160)
   Call: (220) [system] peek_char((0x558d99e6bec0), _2016094)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_2020814, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_2021746, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x558d99e6bec0), a)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2029096)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2030030)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_2034750, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_2035682, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2043032)
   Call: (222) [system] peek_char((0x558d99e6bec0), _2043966)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_2048686, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_2049618, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2056968)
   Call: (223) [system] peek_char((0x558d99e6bec0), _2057902)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_2062622, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_2063554, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2070904)
   Call: (224) [system] peek_char((0x558d99e6bec0), _2071838)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_2076558, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_2077490, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2084840)
   Call: (225) [system] peek_char((0x558d99e6bec0), _2085774)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _2084840=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _2070904=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (223) [system] _4724=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (222) [system] _4720=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (221) [system] _4716=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (220) [system] _4712=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (219) [system] _4708=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (218) [system] _4704=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (217) [system] _4700=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _4696=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _4692=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _4688)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_30800, _30802), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _4688), _30776, fail)), '$restore_trace'(_30800, _30802))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_30800, _30802))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _4688), _30776, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_4688)
   Fail: (215) [system] atomic(_4688)
   Call: (215) [system] atom_chars(_4688, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _40176)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _42034)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _49772)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _52476)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _67554)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _73124)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _74982)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _89136)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _73124)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _94706)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _108860)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _114430)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _116288)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _130442)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _114430)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _148084)
   Call: (218) [system] peek_char((0x558d99e6bec0), _149018)
   Exit: (218) [system] peek_char((0x558d99e6bec0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_153738, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_154670, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x558d99e6bec0), r)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _162020)
   Call: (219) [system] peek_char((0x558d99e6bec0), _162954)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_167674, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_168606, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _175956)
   Call: (220) [system] peek_char((0x558d99e6bec0), _176890)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_181610, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_182542, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _189892)
   Call: (221) [system] peek_char((0x558d99e6bec0), _190826)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_195546, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_196478, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _203828)
   Call: (222) [system] peek_char((0x558d99e6bec0), _204762)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_209482, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_210414, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _217764)
   Call: (223) [system] peek_char((0x558d99e6bec0), _218698)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _217764=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _203828=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _189892=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _175956=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _162020=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _148084=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _114430)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_241978, _241980), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _114430), _241954, fail)), '$restore_trace'(_241978, _241980))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_241978, _241980))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _114430), _241954, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_114430)
   Fail: (218) [system] atomic(_114430)
   Call: (218) [system] atom_chars(_114430, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _251354)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _253212)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _260950)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _263654)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _278732)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _284302)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _286160)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _300314)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _284302)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _317956)
   Call: (219) [system] peek_char((0x558d99e6bec0), _318890)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _317956=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('C', [], _284302)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_328200, _328202), once(user:catch(read_from_chars(['C'], _284302), _328176, fail)), '$restore_trace'(_328200, _328202))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_328200, _328202))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _284302), _328176, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_284302)
   Fail: (219) [system] atomic(_284302)
   Call: (219) [system] atom_chars(_284302, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _337576)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _339434)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _347172)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _349876)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _364954)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _370524)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _372382)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _386536)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _370524)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _404178)
   Call: (220) [system] peek_char((0x558d99e6bec0), _405112)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_409832, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _404178=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('D', [], _370524)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_416294, _416296), once(user:catch(read_from_chars(['D'], _370524), _416270, fail)), '$restore_trace'(_416294, _416296))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_416294, _416296))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _370524), _416270, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_370524)
   Fail: (220) [system] atomic(_370524)
   Call: (220) [system] atom_chars(_370524, ['D'])
   Exit: (220) [system] atom_chars('D', ['D'])
^  Exit: (219) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _425670)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _427528)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _441682)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _445472)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _425670=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _337576=['D']
   Exit: (217) [system] ['D']=['D']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (216) [system] _251354=['C', 'D']
   Exit: (216) [system] ['C', 'D']=['C', 'D']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (215) [system] _73124=['OrLink', 'C', 'D']
   Exit: (215) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _459354)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _461212)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _468950)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _471654)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (216) [system] 'E'=(;)
   Fail: (216) [system] 'E'=(;)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Fail: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Fail: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Fail: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
   Fail: (217) [system] char_type('E', cntrl)
^  Fail: (216) [user] is_like_space('E')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _486732)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (214) [system] 'E'=')'
   Fail: (214) [system] 'E'=')'
   Call: (214) [system] 'E'=end_of_file
   Fail: (214) [system] 'E'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _492302)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _494160)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (216) [system] 'E'=(;)
   Fail: (216) [system] 'E'=(;)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Fail: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Fail: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Fail: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
   Fail: (217) [system] char_type('E', cntrl)
^  Fail: (216) [user] is_like_space('E')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _508314)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'E')
   Call: (215) [system] 'E'='('
   Fail: (215) [system] 'E'='('
   Call: (215) [system] 'E'='['
   Fail: (215) [system] 'E'='['
   Call: (215) [system] 'E'='{'
   Fail: (215) [system] 'E'='{'
   Call: (215) [system] 'E'='"'
   Fail: (215) [system] 'E'='"'
   Call: (215) [system] 'E'=!
   Fail: (215) [system] 'E'=!
   Call: (215) [system] 'E'='\''
   Fail: (215) [system] 'E'='\''
   Call: (215) [system] 'E'='`'
   Fail: (215) [system] 'E'='`'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _492302)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _525956)
   Call: (217) [system] peek_char((0x558d99e6bec0), _526890)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_531610, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _525956=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('E', [], _492302)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_538072, _538074), once(user:catch(read_from_chars(['E'], _492302), _538048, fail)), '$restore_trace'(_538072, _538074))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_538072, _538074))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _492302), _538048, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_492302)
   Fail: (217) [system] atomic(_492302)
   Call: (217) [system] atom_chars(_492302, ['E'])
   Exit: (217) [system] atom_chars('E', ['E'])
^  Exit: (216) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _547448)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _549306)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _563460)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _567250)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _547448=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _459354=['E']
   Exit: (214) [system] ['E']=['E']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (213) [system] _40176=[['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (212) [system] _4682=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (212) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _581132)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _582990)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _597144)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _600934)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _581132=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _4678=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _4672=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (208) [system] _4664=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (208) [system] ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _614816)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _616674)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _630828)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _634618)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _614816=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _4660=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4636=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (204) [system] _4628=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (204) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _648500)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _650358)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x558d99e6bec0), _659952)
   Exit: (204) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _662656)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (205) [system] '\t'=(;)
   Fail: (205) [system] '\t'=(;)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x558d99e6bec0), _670394)
   Exit: (205) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _673098)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x558d99e6bec0), _680836)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _683540)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _691278)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _693982)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _711832)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _717402)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _719260)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _733414)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _717402)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _738984)
   Exit: (206) [system] peek_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _753138)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _758708)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _760566)
   Exit: (207) [system] peek_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _774720)
   Exit: (206) [system] get_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), :, _758708)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _792362)
   Call: (208) [system] peek_char((0x558d99e6bec0), _793296)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _792362=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (207) [user] classify_and_convert_charseq(:, [], _758708)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_802606, _802608), once(user:catch(read_from_chars([:], _758708), _802582, fail)), '$restore_trace'(_802606, _802608))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_802606, _802608))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _802582, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _810106)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _811964)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _819702)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _822406)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _837484)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _843054)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _844912)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _859066)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _843054)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _864636)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _878790)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _884360)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _886218)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _900372)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _884360)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _918014)
   Call: (211) [system] peek_char((0x558d99e6bec0), _918948)
   Exit: (211) [system] peek_char((0x558d99e6bec0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_923668, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_924600, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x558d99e6bec0), o)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _931950)
   Call: (212) [system] peek_char((0x558d99e6bec0), _932884)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_937604, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_938536, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945886)
   Call: (213) [system] peek_char((0x558d99e6bec0), _946820)
   Exit: (213) [system] peek_char((0x558d99e6bec0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_951540, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_952472, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x558d99e6bec0), j)
   Exit: (213) [system] get_char((0x558d99e6bec0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _959822)
   Call: (214) [system] peek_char((0x558d99e6bec0), _960756)
   Exit: (214) [system] peek_char((0x558d99e6bec0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_965476, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_966408, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x558d99e6bec0), u)
   Exit: (214) [system] get_char((0x558d99e6bec0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _973758)
   Call: (215) [system] peek_char((0x558d99e6bec0), _974692)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_979412, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_980344, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _987694)
   Call: (216) [system] peek_char((0x558d99e6bec0), _988628)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_993348, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_994280, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1001630)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1002564)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1007284, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1008216, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1015566)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1016500)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1021220, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1022152, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1029502)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1030436)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1035156, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1036088, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1043438)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1044372)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1049092, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1050024, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1057374)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1058308)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_1063028, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_1063960, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1071310)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1072244)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1076964, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1077896, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1085246)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1086180)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1090900, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1091832, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1099182)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1100116)
   Exit: (224) [system] peek_char((0x558d99e6bec0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1104836, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1105768, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x558d99e6bec0), r)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1113118)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1114052)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1118772, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1119704, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1127054)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1127988)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1132708, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1133640, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1140990)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1141924)
   Exit: (227) [system] peek_char((0x558d99e6bec0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1146644, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1147576, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x558d99e6bec0), u)
   Exit: (227) [system] get_char((0x558d99e6bec0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154926)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1155860)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1160580, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1161512, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168862)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1169796)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1174516, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1175448, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1182798)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1183732)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1188452, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1189384, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1196734)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1197668)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1202388, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1203320, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1210670)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1211604)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1216324, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1217256, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1224606)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1225540)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1224606=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _1210670=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _1196734=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _1182798=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _1168862=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _1154926=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (227) [system] _1140990=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (226) [system] _1127054=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (225) [system] _1113118=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _1099182=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1085246=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1071310=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1057374=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1043438=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1029502=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1015566=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1001630=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _987694=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _973758=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _959822=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _945886=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _931950=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _918014=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _884360)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1296318, _1296320), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _884360), _1296294, fail)), '$restore_trace'(_1296318, _1296320))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1296318, _1296320))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _884360), _1296294, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_884360)
   Fail: (211) [system] atomic(_884360)
   Call: (211) [system] atom_chars(_884360, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1305694)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1307552)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1315290)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1317994)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1333072)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1338642)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1340500)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1354654)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, _1338642)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1372296)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1373230)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1372296=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq(a, [], _1338642)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1382540, _1382542), once(user:catch(read_from_chars([a], _1338642), _1382516, fail)), '$restore_trace'(_1382540, _1382542))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1382540, _1382542))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1382516, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1390040)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1391898)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1399636)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1402340)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1417418)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1422988)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1424846)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1439000)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, _1422988)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1456642)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1457576)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1462296, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1456642=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq(a, [], _1422988)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1468758, _1468760), once(user:catch(read_from_chars([a], _1422988), _1468734, fail)), '$restore_trace'(_1468758, _1468760))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1468758, _1468760))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1468734, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1476258)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1478116)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1492270)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _1496060)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _1476258=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1390040=[a]
   Exit: (210) [system] [a]=[a]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (209) [system] _1305694=[a, a]
   Exit: (209) [system] [a, a]=[a, a]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (208) [system] _843054=['ConjunctionIntroduction', a, a]
   Exit: (208) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1509942)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1511800)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1519538)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1522242)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1537320)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1542890)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1544748)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1558902)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1542890)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1564472)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1578626)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1584196)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1586054)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1600208)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1584196)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1617850)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1618784)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1623504, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1624436, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1631786)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1632720)
   Exit: (213) [system] peek_char((0x558d99e6bec0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1637440, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_1638372, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x558d99e6bec0), d)
   Exit: (213) [system] get_char((0x558d99e6bec0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1645722)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1646656)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1651376, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1652308, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1659658)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1660592)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1665312, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1666244, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1673594)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1674528)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1679248, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1680180, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1687530)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1688464)
   Exit: (217) [system] peek_char((0x558d99e6bec0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1693184, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1694116, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x558d99e6bec0), k)
   Exit: (217) [system] get_char((0x558d99e6bec0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1701466)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1702400)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1701466=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1687530=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (216) [system] _1673594=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (215) [system] _1659658=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (214) [system] _1645722=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (213) [system] _1631786=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (212) [system] _1617850=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1584196)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1728474, _1728476), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1584196), _1728450, fail)), '$restore_trace'(_1728474, _1728476))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1728474, _1728476))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1584196), _1728450, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1584196)
   Fail: (212) [system] atomic(_1584196)
   Call: (212) [system] atom_chars(_1584196, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1737850)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1739708)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1747446)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1750150)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1765228)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1770798)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1772656)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1786810)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1770798)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1804452)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1805386)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1804452=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('A', [], _1770798)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1814696, _1814698), once(user:catch(read_from_chars(['A'], _1770798), _1814672, fail)), '$restore_trace'(_1814696, _1814698))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1814696, _1814698))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1770798), _1814672, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1770798)
   Fail: (213) [system] atomic(_1770798)
   Call: (213) [system] atom_chars(_1770798, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1824072)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1825930)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1833668)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1836372)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1851450)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1857020)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1858878)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1873032)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1857020)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1890674)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1891608)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1896328, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1890674=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _1857020)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1902790, _1902792), once(user:catch(read_from_chars(['A'], _1857020), _1902766, fail)), '$restore_trace'(_1902790, _1902792))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1902790, _1902792))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1857020), _1902766, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1857020)
   Fail: (214) [system] atomic(_1857020)
   Call: (214) [system] atom_chars(_1857020, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1912166)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1914024)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1928178)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _1931968)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _1912166=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1824072=['A']
   Exit: (211) [system] ['A']=['A']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (210) [system] _1737850=['A', 'A']
   Exit: (210) [system] ['A', 'A']=['A', 'A']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['A', 'A'])
   Call: (209) [system] _1542890=['AndLink', 'A', 'A']
   Exit: (209) [system] ['AndLink', 'A', 'A']=['AndLink', 'A', 'A']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'A'])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'A'])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1945850)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1947708)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1961862)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _1965652)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _1945850=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1509942=[['AndLink', 'A', 'A']]
   Exit: (207) [system] [['AndLink', 'A', 'A']]=[['AndLink', 'A', 'A']]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'A']])
   Call: (206) [system] _810106=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (206) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
   Call: (205) [system] _717402=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (205) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1979534)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1981392)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x558d99e6bec0), _1990986)
   Exit: (205) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1993690)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (206) [system] '\t'=(;)
   Fail: (206) [system] '\t'=(;)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x558d99e6bec0), _2001428)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2004132)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x558d99e6bec0), _2011870)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _2014574)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _2022312)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _2025016)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2042866)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _2048436)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _2050294)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _2064448)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _2048436)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2070018)
   Exit: (207) [system] peek_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _2084172)
   Exit: (206) [system] peek_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _2089742)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _2091600)
   Exit: (208) [system] peek_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _13736)
   Exit: (207) [system] get_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), :, _4790)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _31378)
   Call: (209) [system] peek_char((0x558d99e6bec0), _32312)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _31378=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq(:, [], _4790)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_41622, _41624), once(user:catch(read_from_chars([:], _4790), _41598, fail)), '$restore_trace'(_41622, _41624))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_41622, _41624))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _41598, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _49122)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _50980)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _58718)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _61422)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _76500)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _82070)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _83928)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _98082)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _82070)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _103652)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _117806)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _123376)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _125234)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _139388)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _123376)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _157030)
   Call: (212) [system] peek_char((0x558d99e6bec0), _157964)
   Exit: (212) [system] peek_char((0x558d99e6bec0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_162684, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_163616, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x558d99e6bec0), o)
   Exit: (212) [system] get_char((0x558d99e6bec0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _170966)
   Call: (213) [system] peek_char((0x558d99e6bec0), _171900)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_176620, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_177552, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _184902)
   Call: (214) [system] peek_char((0x558d99e6bec0), _185836)
   Exit: (214) [system] peek_char((0x558d99e6bec0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_190556, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_191488, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x558d99e6bec0), j)
   Exit: (214) [system] get_char((0x558d99e6bec0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198838)
   Call: (215) [system] peek_char((0x558d99e6bec0), _199772)
   Exit: (215) [system] peek_char((0x558d99e6bec0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_204492, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_205424, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x558d99e6bec0), u)
   Exit: (215) [system] get_char((0x558d99e6bec0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212774)
   Call: (216) [system] peek_char((0x558d99e6bec0), _213708)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_218428, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_219360, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _226710)
   Call: (217) [system] peek_char((0x558d99e6bec0), _227644)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_232364, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_233296, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x558d99e6bec0), c)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _240646)
   Call: (218) [system] peek_char((0x558d99e6bec0), _241580)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_246300, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_247232, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _254582)
   Call: (219) [system] peek_char((0x558d99e6bec0), _255516)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_260236, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_261168, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _268518)
   Call: (220) [system] peek_char((0x558d99e6bec0), _269452)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_274172, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_275104, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _282454)
   Call: (221) [system] peek_char((0x558d99e6bec0), _283388)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_288108, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_289040, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _296390)
   Call: (222) [system] peek_char((0x558d99e6bec0), _297324)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_302044, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_302976, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310326)
   Call: (223) [system] peek_char((0x558d99e6bec0), _311260)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_315980, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_316912, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _324262)
   Call: (224) [system] peek_char((0x558d99e6bec0), _325196)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_329916, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_330848, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338198)
   Call: (225) [system] peek_char((0x558d99e6bec0), _339132)
   Exit: (225) [system] peek_char((0x558d99e6bec0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_343852, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_344784, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x558d99e6bec0), r)
   Exit: (225) [system] get_char((0x558d99e6bec0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352134)
   Call: (226) [system] peek_char((0x558d99e6bec0), _353068)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_357788, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_358720, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _366070)
   Call: (227) [system] peek_char((0x558d99e6bec0), _367004)
   Exit: (227) [system] peek_char((0x558d99e6bec0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_371724, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_372656, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x558d99e6bec0), d)
   Exit: (227) [system] get_char((0x558d99e6bec0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _380006)
   Call: (228) [system] peek_char((0x558d99e6bec0), _380940)
   Exit: (228) [system] peek_char((0x558d99e6bec0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_385660, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_386592, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x558d99e6bec0), u)
   Exit: (228) [system] get_char((0x558d99e6bec0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _393942)
   Call: (229) [system] peek_char((0x558d99e6bec0), _394876)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_399596, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_400528, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x558d99e6bec0), c)
   Exit: (229) [system] get_char((0x558d99e6bec0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _407878)
   Call: (230) [system] peek_char((0x558d99e6bec0), _408812)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_413532, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_414464, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _421814)
   Call: (231) [system] peek_char((0x558d99e6bec0), _422748)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_427468, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_428400, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _435750)
   Call: (232) [system] peek_char((0x558d99e6bec0), _436684)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_441404, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_442336, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _449686)
   Call: (233) [system] peek_char((0x558d99e6bec0), _450620)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_455340, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_456272, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _463622)
   Call: (234) [system] peek_char((0x558d99e6bec0), _464556)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _463622=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _449686=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _435750=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _421814=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _407878=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _393942=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (228) [system] _380006=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (227) [system] _366070=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (226) [system] _352134=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _338198=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _324262=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _310326=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _296390=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _282454=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _268518=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _254582=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _240646=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _226710=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _212774=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _198838=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _184902=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _170966=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _157030=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _123376)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_535334, _535336), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _123376), _535310, fail)), '$restore_trace'(_535334, _535336))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_535334, _535336))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _123376), _535310, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_123376)
   Fail: (212) [system] atomic(_123376)
   Call: (212) [system] atom_chars(_123376, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _544710)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _546568)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _554306)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _557010)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _572088)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _577658)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _579516)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _593670)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, _577658)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _611312)
   Call: (213) [system] peek_char((0x558d99e6bec0), _612246)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _611312=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq(a, [], _577658)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_621556, _621558), once(user:catch(read_from_chars([a], _577658), _621532, fail)), '$restore_trace'(_621556, _621558))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_621556, _621558))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _621532, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _629056)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _630914)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _638652)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _641356)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _656434)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _662004)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _663862)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _678016)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, _662004)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _695658)
   Call: (214) [system] peek_char((0x558d99e6bec0), _696592)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_701312, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _695658=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _662004)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_707774, _707776), once(user:catch(read_from_chars([a], _662004), _707750, fail)), '$restore_trace'(_707774, _707776))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_707774, _707776))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _707750, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _715274)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _717132)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _731286)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _735076)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _715274=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _629056=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (210) [system] _544710=[a, a]
   Exit: (210) [system] [a, a]=[a, a]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (209) [system] _82070=['ConjunctionIntroduction', a, a]
   Exit: (209) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _748958)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _750816)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _758554)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _761258)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _776336)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _781906)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _783764)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _797918)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _781906)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _803488)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _817642)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _823212)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _825070)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _839224)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _823212)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _856866)
   Call: (213) [system] peek_char((0x558d99e6bec0), _857800)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_862520, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_863452, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _870802)
   Call: (214) [system] peek_char((0x558d99e6bec0), _871736)
   Exit: (214) [system] peek_char((0x558d99e6bec0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_876456, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_877388, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x558d99e6bec0), d)
   Exit: (214) [system] get_char((0x558d99e6bec0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _884738)
   Call: (215) [system] peek_char((0x558d99e6bec0), _885672)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_890392, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_891324, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _898674)
   Call: (216) [system] peek_char((0x558d99e6bec0), _899608)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_904328, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_905260, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _912610)
   Call: (217) [system] peek_char((0x558d99e6bec0), _913544)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_918264, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_919196, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _926546)
   Call: (218) [system] peek_char((0x558d99e6bec0), _927480)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_932200, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_933132, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _940482)
   Call: (219) [system] peek_char((0x558d99e6bec0), _941416)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _940482=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _926546=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _912610=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _898674=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _884738=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _870802=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (213) [system] _856866=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _823212)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_967490, _967492), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _823212), _967466, fail)), '$restore_trace'(_967490, _967492))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_967490, _967492))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _823212), _967466, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_823212)
   Fail: (213) [system] atomic(_823212)
   Call: (213) [system] atom_chars(_823212, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _976866)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _978724)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _986462)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _989166)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1004244)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1009814)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1011672)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1025826)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1009814)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1043468)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1044402)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1043468=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _1009814)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1053712, _1053714), once(user:catch(read_from_chars(['A'], _1009814), _1053688, fail)), '$restore_trace'(_1053712, _1053714))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1053712, _1053714))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1009814), _1053688, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1009814)
   Fail: (214) [system] atomic(_1009814)
   Call: (214) [system] atom_chars(_1009814, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1063088)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1064946)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1072684)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1075388)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1090466)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1096036)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1097894)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1112048)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1096036)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1129690)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1130624)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1135344, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1129690=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1096036)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1141806, _1141808), once(user:catch(read_from_chars(['B'], _1096036), _1141782, fail)), '$restore_trace'(_1141806, _1141808))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1141806, _1141808))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1096036), _1141782, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1096036)
   Fail: (215) [system] atomic(_1096036)
   Call: (215) [system] atom_chars(_1096036, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1151182)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1153040)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1167194)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1170984)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1151182=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1063088=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (211) [system] _976866=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (210) [system] _781906=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1184866)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1186724)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1200878)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1204668)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1184866=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _748958=[['AndLink', 'A', 'B']]
   Exit: (208) [system] [['AndLink', 'A', 'B']]=[['AndLink', 'A', 'B']]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B']])
   Call: (207) [system] _49122=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (207) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
   Call: (206) [system] _4784=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (206) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1218550)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1220408)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x558d99e6bec0), _1230002)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1232706)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (207) [system] '\t'=(;)
   Fail: (207) [system] '\t'=(;)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x558d99e6bec0), _1240444)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1243148)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x558d99e6bec0), _1250886)
   Exit: (208) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1253590)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1261328)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1264032)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1281882)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1287452)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1289310)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1303464)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1287452)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1309034)
   Exit: (208) [system] peek_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1323188)
   Exit: (207) [system] peek_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1328758)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1330616)
   Exit: (209) [system] peek_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1344770)
   Exit: (208) [system] get_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), :, _1328758)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362412)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1363346)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1362412=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq(:, [], _1328758)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1372656, _1372658), once(user:catch(read_from_chars([:], _1328758), _1372632, fail)), '$restore_trace'(_1372656, _1372658))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1372656, _1372658))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1372632, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1380156)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1382014)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1389752)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1392456)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1407534)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1413104)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1414962)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1429116)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1413104)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1434686)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1448840)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1454410)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1456268)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1470422)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1454410)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1488064)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1488998)
   Exit: (213) [system] peek_char((0x558d99e6bec0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1493718, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_1494650, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x558d99e6bec0), o)
   Exit: (213) [system] get_char((0x558d99e6bec0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1502000)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1502934)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1507654, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1508586, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1515936)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1516870)
   Exit: (215) [system] peek_char((0x558d99e6bec0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1521590, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1522522, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x558d99e6bec0), j)
   Exit: (215) [system] get_char((0x558d99e6bec0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1529872)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1530806)
   Exit: (216) [system] peek_char((0x558d99e6bec0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1535526, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1536458, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x558d99e6bec0), u)
   Exit: (216) [system] get_char((0x558d99e6bec0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1543808)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1544742)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1549462, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1550394, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1557744)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1558678)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1563398, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1564330, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1571680)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1572614)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1577334, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1578266, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1585616)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1586550)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1591270, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1592202, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1599552)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1600486)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1605206, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1606138, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1613488)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1614422)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1619142, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1620074, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1627424)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1628358)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1633078, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_1634010, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1641360)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1642294)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1647014, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1647946, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1655296)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1656230)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1660950, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1661882, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1669232)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1670166)
   Exit: (226) [system] peek_char((0x558d99e6bec0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1674886, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1675818, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x558d99e6bec0), r)
   Exit: (226) [system] get_char((0x558d99e6bec0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1683168)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1684102)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1688822, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1689754, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1697104)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1698038)
   Exit: (228) [system] peek_char((0x558d99e6bec0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1702758, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1703690, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x558d99e6bec0), d)
   Exit: (228) [system] get_char((0x558d99e6bec0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711040)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1711974)
   Exit: (229) [system] peek_char((0x558d99e6bec0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1716694, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1717626, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x558d99e6bec0), u)
   Exit: (229) [system] get_char((0x558d99e6bec0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724976)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1725910)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1730630, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1731562, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738912)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1739846)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1744566, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1745498, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752848)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1753782)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1758502, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1759434, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766784)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1767718)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1772438, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1773370, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1780720)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1781654)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1786374, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1787306, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1794656)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1795590)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1794656=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _1780720=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (233) [system] _1766784=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (232) [system] _1752848=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (231) [system] _1738912=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (230) [system] _1724976=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (229) [system] _1711040=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (228) [system] _1697104=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (227) [system] _1683168=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1669232=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1655296=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1641360=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1627424=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1613488=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1599552=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1585616=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1571680=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1557744=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1543808=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1529872=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1515936=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1502000=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1488064=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1454410)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1866368, _1866370), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1454410), _1866344, fail)), '$restore_trace'(_1866368, _1866370))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1866368, _1866370))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1454410), _1866344, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1454410)
   Fail: (213) [system] atomic(_1454410)
   Call: (213) [system] atom_chars(_1454410, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1875744)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1877602)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1885340)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1888044)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1903122)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1908692)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1910550)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1924704)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, _1908692)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1942346)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1943280)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1942346=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _1908692)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1952590, _1952592), once(user:catch(read_from_chars([a], _1908692), _1952566, fail)), '$restore_trace'(_1952590, _1952592))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1952590, _1952592))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1952566, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1960090)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1961948)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1969686)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1972390)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1987468)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1993038)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1994896)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _2009050)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, _1993038)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2026692)
   Call: (215) [system] peek_char((0x558d99e6bec0), _2027626)
   Exit: (215) [system] peek_char((0x558d99e6bec0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_2032346, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_2033278, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x558d99e6bec0), b)
   Exit: (215) [system] get_char((0x558d99e6bec0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2040628)
   Call: (216) [system] peek_char((0x558d99e6bec0), _2041562)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_2046282, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_2047214, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2054564)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2055498)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_2060218, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _2054564=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _2040628=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (215) [system] _2026692=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq(a, [b, c], _1993038)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_2072268, _2072270), once(user:catch(read_from_chars([a, b, c], _1993038), _2072244, fail)), '$restore_trace'(_2072268, _2072270))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_2072268, _2072270))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2072244, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _2079768)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2081626)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2095780)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _7580)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _4876=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _4870=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (211) [system] _4864=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [a, abc])
   Call: (210) [system] _4856=['ConjunctionIntroduction', a, abc]
   Exit: (210) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _21462)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _23320)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _31058)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _33762)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _48840)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _54410)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _56268)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _70422)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _54410)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _75992)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _90146)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _95716)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _97574)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _111728)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _95716)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _129370)
   Call: (214) [system] peek_char((0x558d99e6bec0), _130304)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_135024, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_135956, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _143306)
   Call: (215) [system] peek_char((0x558d99e6bec0), _144240)
   Exit: (215) [system] peek_char((0x558d99e6bec0), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_148960, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_149892, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x558d99e6bec0), d)
   Exit: (215) [system] get_char((0x558d99e6bec0), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _157242)
   Call: (216) [system] peek_char((0x558d99e6bec0), _158176)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_162896, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_163828, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _171178)
   Call: (217) [system] peek_char((0x558d99e6bec0), _172112)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_176832, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_177764, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _185114)
   Call: (218) [system] peek_char((0x558d99e6bec0), _186048)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_190768, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_191700, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _199050)
   Call: (219) [system] peek_char((0x558d99e6bec0), _199984)
   Exit: (219) [system] peek_char((0x558d99e6bec0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_204704, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_205636, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x558d99e6bec0), k)
   Exit: (219) [system] get_char((0x558d99e6bec0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212986)
   Call: (220) [system] peek_char((0x558d99e6bec0), _213920)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _212986=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _199050=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (218) [system] _185114=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (217) [system] _171178=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (216) [system] _157242=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (215) [system] _143306=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (214) [system] _129370=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _95716)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_239994, _239996), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _95716), _239970, fail)), '$restore_trace'(_239994, _239996))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_239994, _239996))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _95716), _239970, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_95716)
   Fail: (214) [system] atomic(_95716)
   Call: (214) [system] atom_chars(_95716, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _249370)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _251228)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _258966)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _261670)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _276748)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _282318)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _284176)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _298330)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _282318)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _315972)
   Call: (215) [system] peek_char((0x558d99e6bec0), _316906)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _315972=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _282318)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_326216, _326218), once(user:catch(read_from_chars(['B'], _282318), _326192, fail)), '$restore_trace'(_326216, _326218))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_326216, _326218))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _282318), _326192, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_282318)
   Fail: (215) [system] atomic(_282318)
   Call: (215) [system] atom_chars(_282318, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _335592)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _337450)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _345188)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _347892)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _362970)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _368540)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _370398)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _384552)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _368540)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _390122)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _404276)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _409846)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _411704)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _425858)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _409846)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443500)
   Call: (218) [system] peek_char((0x558d99e6bec0), _444434)
   Exit: (218) [system] peek_char((0x558d99e6bec0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_449154, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_450086, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x558d99e6bec0), m)
   Exit: (218) [system] get_char((0x558d99e6bec0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _457436)
   Call: (219) [system] peek_char((0x558d99e6bec0), _458370)
   Exit: (219) [system] peek_char((0x558d99e6bec0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_463090, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_464022, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x558d99e6bec0), p)
   Exit: (219) [system] get_char((0x558d99e6bec0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _471372)
   Call: (220) [system] peek_char((0x558d99e6bec0), _472306)
   Exit: (220) [system] peek_char((0x558d99e6bec0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_477026, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_477958, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x558d99e6bec0), l)
   Exit: (220) [system] get_char((0x558d99e6bec0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _485308)
   Call: (221) [system] peek_char((0x558d99e6bec0), _486242)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_490962, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_491894, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _499244)
   Call: (222) [system] peek_char((0x558d99e6bec0), _500178)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_504898, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_505830, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _513180)
   Call: (223) [system] peek_char((0x558d99e6bec0), _514114)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_518834, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_519766, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x558d99e6bec0), a)
   Exit: (223) [system] get_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _527116)
   Call: (224) [system] peek_char((0x558d99e6bec0), _528050)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_532770, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_533702, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _541052)
   Call: (225) [system] peek_char((0x558d99e6bec0), _541986)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_546706, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_547638, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _554988)
   Call: (226) [system] peek_char((0x558d99e6bec0), _555922)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_560642, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_561574, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _568924)
   Call: (227) [system] peek_char((0x558d99e6bec0), _569858)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_574578, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_575510, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _582860)
   Call: (228) [system] peek_char((0x558d99e6bec0), _583794)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _582860=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _568924=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (226) [system] _554988=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (225) [system] _541052=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (224) [system] _527116=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (223) [system] _513180=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (222) [system] _499244=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (221) [system] _485308=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (220) [system] _471372=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _457436=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _443500=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _409846)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_621044, _621046), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _409846), _621020, fail)), '$restore_trace'(_621044, _621046))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_621044, _621046))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _409846), _621020, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_409846)
   Fail: (218) [system] atomic(_409846)
   Call: (218) [system] atom_chars(_409846, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _630420)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _632278)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _640016)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _642720)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _657798)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _663368)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _665226)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _679380)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _663368)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _684950)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _699104)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _704674)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _706532)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _720686)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _704674)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _738328)
   Call: (221) [system] peek_char((0x558d99e6bec0), _739262)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_743982, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_744914, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _752264)
   Call: (222) [system] peek_char((0x558d99e6bec0), _753198)
   Exit: (222) [system] peek_char((0x558d99e6bec0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_757918, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_758850, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x558d99e6bec0), d)
   Exit: (222) [system] get_char((0x558d99e6bec0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _766200)
   Call: (223) [system] peek_char((0x558d99e6bec0), _767134)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_771854, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_772786, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _780136)
   Call: (224) [system] peek_char((0x558d99e6bec0), _781070)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_785790, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_786722, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _794072)
   Call: (225) [system] peek_char((0x558d99e6bec0), _795006)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_799726, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_800658, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _808008)
   Call: (226) [system] peek_char((0x558d99e6bec0), _808942)
   Exit: (226) [system] peek_char((0x558d99e6bec0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_813662, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_814594, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x558d99e6bec0), k)
   Exit: (226) [system] get_char((0x558d99e6bec0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _821944)
   Call: (227) [system] peek_char((0x558d99e6bec0), _822878)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _821944=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _808008=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (225) [system] _794072=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (224) [system] _780136=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (223) [system] _766200=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (222) [system] _752264=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (221) [system] _738328=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _704674)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_848952, _848954), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _704674), _848928, fail)), '$restore_trace'(_848952, _848954))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_848952, _848954))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _704674), _848928, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_704674)
   Fail: (221) [system] atomic(_704674)
   Call: (221) [system] atom_chars(_704674, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _858328)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _860186)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _867924)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _870628)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _885706)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _891276)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _893134)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _907288)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _891276)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _924930)
   Call: (222) [system] peek_char((0x558d99e6bec0), _925864)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _924930=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _891276)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_935174, _935176), once(user:catch(read_from_chars(['A'], _891276), _935150, fail)), '$restore_trace'(_935174, _935176))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_935174, _935176))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _891276), _935150, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_891276)
   Fail: (222) [system] atomic(_891276)
   Call: (222) [system] atom_chars(_891276, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _944550)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _946408)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _954146)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _956850)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _971928)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _977498)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _979356)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _993510)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _977498)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1011152)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1012086)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1016806, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1011152=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _977498)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1023268, _1023270), once(user:catch(read_from_chars(['B'], _977498), _1023244, fail)), '$restore_trace'(_1023268, _1023270))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1023268, _1023270))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _977498), _1023244, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_977498)
   Fail: (223) [system] atomic(_977498)
   Call: (223) [system] atom_chars(_977498, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1032644)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1034502)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1048656)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _1052446)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _1032644=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _944550=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (219) [system] _858328=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (218) [system] _663368=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1066328)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1068186)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1075924)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1078628)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1093706)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1099276)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1101134)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1115288)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1099276)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1132930)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1133864)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1138584, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1132930=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _1099276)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1145046, _1145048), once(user:catch(read_from_chars(['C'], _1099276), _1145022, fail)), '$restore_trace'(_1145046, _1145048))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1145046, _1145048))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1099276), _1145022, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1099276)
   Fail: (220) [system] atomic(_1099276)
   Call: (220) [system] atom_chars(_1099276, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1154422)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1156280)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1170434)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _1174224)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _1154422=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1066328=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (216) [system] _630420=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _368540=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1188106)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1189964)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1204118)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _1207908)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _1188106=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _335592=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _249370=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _54410=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1221790)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1223648)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1237802)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1241592)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1221790=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _21462=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4852=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4844=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1255474)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1257332)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x558d99e6bec0), _1266926)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1269630)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (208) [system] '\t'=(;)
   Fail: (208) [system] '\t'=(;)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x558d99e6bec0), _1277368)
   Exit: (208) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1280072)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x558d99e6bec0), _1287810)
   Exit: (209) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1290514)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1298252)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1300956)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1318806)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1324376)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1326234)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1340388)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1324376)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1345958)
   Exit: (209) [system] peek_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1360112)
   Exit: (208) [system] peek_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1365682)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1367540)
   Exit: (210) [system] peek_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1381694)
   Exit: (209) [system] get_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), :, _1365682)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1399336)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1400270)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1399336=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq(:, [], _1365682)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1409580, _1409582), once(user:catch(read_from_chars([:], _1365682), _1409556, fail)), '$restore_trace'(_1409580, _1409582))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1409580, _1409582))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1409556, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1417080)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1418938)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1426676)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1429380)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1444458)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1450028)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1451886)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1466040)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1450028)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1471610)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1485764)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1491334)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1493192)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1507346)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1491334)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1524988)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1525922)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1530642, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1531574, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1538924)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1539858)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1544578, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1545510, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1552860)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1553794)
   Exit: (216) [system] peek_char((0x558d99e6bec0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_1558514, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_1559446, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x558d99e6bec0), j)
   Exit: (216) [system] get_char((0x558d99e6bec0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1566796)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1567730)
   Exit: (217) [system] peek_char((0x558d99e6bec0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1572450, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1573382, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x558d99e6bec0), u)
   Exit: (217) [system] get_char((0x558d99e6bec0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1580732)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1581666)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1586386, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1587318, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594668)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1595602)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1600322, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1601254, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1608604)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1609538)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1614258, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1615190, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1622540)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1623474)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1628194, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1629126, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1636476)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1637410)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1642130, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1643062, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1650412)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1651346)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1656066, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1656998, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1664348)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1665282)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1670002, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_1670934, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1678284)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1679218)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1683938, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1684870, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1692220)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1693154)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1697874, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1698806, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1706156)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1707090)
   Exit: (227) [system] peek_char((0x558d99e6bec0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1711810, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1712742, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x558d99e6bec0), r)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1720092)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1721026)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1725746, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1726678, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1734028)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1734962)
   Exit: (229) [system] peek_char((0x558d99e6bec0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1739682, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_1740614, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x558d99e6bec0), d)
   Exit: (229) [system] get_char((0x558d99e6bec0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1747964)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1748898)
   Exit: (230) [system] peek_char((0x558d99e6bec0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1753618, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_1754550, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x558d99e6bec0), u)
   Exit: (230) [system] get_char((0x558d99e6bec0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1761900)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1762834)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1767554, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1768486, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x558d99e6bec0), c)
   Exit: (231) [system] get_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1775836)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1776770)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1781490, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1782422, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1789772)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1790706)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1795426, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1796358, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1803708)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1804642)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1809362, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1810294, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1817644)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1818578)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1823298, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1824230, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1831580)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1832514)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1831580=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _1817644=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (234) [system] _1803708=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (233) [system] _1789772=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (232) [system] _1775836=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (231) [system] _1761900=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (230) [system] _1747964=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (229) [system] _1734028=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (228) [system] _1720092=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _1706156=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1692220=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1678284=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1664348=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1650412=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1636476=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1622540=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1608604=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1594668=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1580732=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1566796=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1552860=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1538924=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1524988=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1491334)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1903292, _1903294), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1491334), _1903268, fail)), '$restore_trace'(_1903292, _1903294))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1903292, _1903294))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1491334), _1903268, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1491334)
   Fail: (214) [system] atomic(_1491334)
   Call: (214) [system] atom_chars(_1491334, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1912668)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1914526)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1922264)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1924968)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1940046)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1945616)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1947474)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1961628)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, _1945616)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1979270)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1980204)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1979270=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq(a, [], _1945616)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1989514, _1989516), once(user:catch(read_from_chars([a], _1945616), _1989490, fail)), '$restore_trace'(_1989514, _1989516))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1989514, _1989516))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1989490, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1997014)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1998872)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _2006610)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _2009314)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(;)
   Fail: (215) [system] c=(;)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Fail: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Fail: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
   Fail: (216) [system] char_type(c, cntrl)
^  Fail: (215) [user] is_like_space(c)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2024392)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
   Call: (213) [system] c=')'
   Fail: (213) [system] c=')'
   Call: (213) [system] c=end_of_file
   Fail: (213) [system] c=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _2029962)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _2031820)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(;)
   Fail: (215) [system] c=(;)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Fail: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Fail: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
   Fail: (216) [system] char_type(c, cntrl)
^  Fail: (215) [user] is_like_space(c)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _2045974)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c='('
   Fail: (214) [system] c='('
   Call: (214) [system] c='['
   Fail: (214) [system] c='['
   Call: (214) [system] c='{'
   Fail: (214) [system] c='{'
   Call: (214) [system] c='"'
   Fail: (214) [system] c='"'
   Call: (214) [system] c=!
   Fail: (214) [system] c=!
   Call: (214) [system] c='\''
   Fail: (214) [system] c='\''
   Call: (214) [system] c='`'
   Fail: (214) [system] c='`'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), c, _2029962)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063616)
   Call: (216) [system] peek_char((0x558d99e6bec0), _2064550)
   Exit: (216) [system] peek_char((0x558d99e6bec0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_2069270, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_2070202, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x558d99e6bec0), d)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077552)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2078486)
   Exit: (217) [system] peek_char((0x558d99e6bec0), e)
^  Call: (217) [user] is_delimiter(e)
   Call: (218) [system] char_type(e, space)
   Fail: (218) [system] char_type(e, space)
   Call: (218) [system] arg(_2083206, v('(', ')', end_of_file), e)
   Fail: (218) [system] arg(_2084138, v('(', ')', end_of_file), e)
^  Fail: (217) [user] is_delimiter(e)
   Call: (217) [system] ')'==e
   Fail: (217) [system] ')'==e
   Call: (217) [system] get_char((0x558d99e6bec0), e)
   Exit: (217) [system] get_char((0x558d99e6bec0), e)
   Call: (217) [system] e=(\)
   Fail: (217) [system] e=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091488)
   Call: (218) [system] peek_char((0x558d99e6bec0), _2092422)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_5420, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _4982=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _4978=[e]
   Exit: (217) [system] [e]=[e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (216) [system] _4974=[d, e]
   Exit: (216) [system] [d, e]=[d, e]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (215) [user] classify_and_convert_charseq(c, [d, e], _4970)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_17470, _17472), once(user:catch(read_from_chars([c, d, e], _4970), _17446, fail)), '$restore_trace'(_17470, _17472))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_17470, _17472))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _17446, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(cde)
   Exit: (216) [system] atomic(cde)
^  Exit: (215) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _24970)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _26828)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _40982)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _44772)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _24970=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _4966=[cde]
   Exit: (213) [system] [cde]=[cde]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (212) [system] _4960=[a, cde]
   Exit: (212) [system] [a, cde]=[a, cde]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [a, cde])
   Call: (211) [system] _4952=['ConjunctionIntroduction', a, cde]
   Exit: (211) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, cde])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, cde])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _58654)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _60512)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _68250)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _70954)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _86032)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _91602)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _93460)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _107614)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _91602)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _113184)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _127338)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _132908)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _134766)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _148920)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _132908)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _166562)
   Call: (215) [system] peek_char((0x558d99e6bec0), _167496)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_172216, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_173148, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180498)
   Call: (216) [system] peek_char((0x558d99e6bec0), _181432)
   Exit: (216) [system] peek_char((0x558d99e6bec0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_186152, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_187084, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x558d99e6bec0), d)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _194434)
   Call: (217) [system] peek_char((0x558d99e6bec0), _195368)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_200088, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_201020, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (217) [system] get_char((0x558d99e6bec0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _208370)
   Call: (218) [system] peek_char((0x558d99e6bec0), _209304)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_214024, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_214956, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _222306)
   Call: (219) [system] peek_char((0x558d99e6bec0), _223240)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_227960, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_228892, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _236242)
   Call: (220) [system] peek_char((0x558d99e6bec0), _237176)
   Exit: (220) [system] peek_char((0x558d99e6bec0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_241896, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_242828, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x558d99e6bec0), k)
   Exit: (220) [system] get_char((0x558d99e6bec0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _250178)
   Call: (221) [system] peek_char((0x558d99e6bec0), _251112)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _250178=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _236242=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (219) [system] _222306=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (218) [system] _208370=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (217) [system] _194434=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (216) [system] _180498=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (215) [system] _166562=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _132908)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_277186, _277188), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132908), _277162, fail)), '$restore_trace'(_277186, _277188))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_277186, _277188))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _132908), _277162, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_132908)
   Fail: (215) [system] atomic(_132908)
   Call: (215) [system] atom_chars(_132908, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _286562)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _288420)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _296158)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _298862)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _313940)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _319510)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _321368)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _335522)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _319510)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _353164)
   Call: (216) [system] peek_char((0x558d99e6bec0), _354098)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _353164=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('B', [], _319510)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_363408, _363410), once(user:catch(read_from_chars(['B'], _319510), _363384, fail)), '$restore_trace'(_363408, _363410))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_363408, _363410))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _319510), _363384, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_319510)
   Fail: (216) [system] atomic(_319510)
   Call: (216) [system] atom_chars(_319510, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _372784)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _374642)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _382380)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _385084)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _400162)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _405732)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _407590)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _421744)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _405732)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _427314)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _441468)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _447038)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _448896)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _463050)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _447038)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _480692)
   Call: (219) [system] peek_char((0x558d99e6bec0), _481626)
   Exit: (219) [system] peek_char((0x558d99e6bec0), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_486346, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_487278, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x558d99e6bec0), m)
   Exit: (219) [system] get_char((0x558d99e6bec0), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494628)
   Call: (220) [system] peek_char((0x558d99e6bec0), _495562)
   Exit: (220) [system] peek_char((0x558d99e6bec0), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_500282, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_501214, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x558d99e6bec0), p)
   Exit: (220) [system] get_char((0x558d99e6bec0), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _508564)
   Call: (221) [system] peek_char((0x558d99e6bec0), _509498)
   Exit: (221) [system] peek_char((0x558d99e6bec0), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_514218, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_515150, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x558d99e6bec0), l)
   Exit: (221) [system] get_char((0x558d99e6bec0), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _522500)
   Call: (222) [system] peek_char((0x558d99e6bec0), _523434)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_528154, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_529086, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _536436)
   Call: (223) [system] peek_char((0x558d99e6bec0), _537370)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_542090, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_543022, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _550372)
   Call: (224) [system] peek_char((0x558d99e6bec0), _551306)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_556026, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_556958, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x558d99e6bec0), a)
   Exit: (224) [system] get_char((0x558d99e6bec0), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _564308)
   Call: (225) [system] peek_char((0x558d99e6bec0), _565242)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_569962, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_570894, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _578244)
   Call: (226) [system] peek_char((0x558d99e6bec0), _579178)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_583898, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_584830, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _592180)
   Call: (227) [system] peek_char((0x558d99e6bec0), _593114)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_597834, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_598766, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _606116)
   Call: (228) [system] peek_char((0x558d99e6bec0), _607050)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_611770, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_612702, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _620052)
   Call: (229) [system] peek_char((0x558d99e6bec0), _620986)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _620052=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _606116=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (227) [system] _592180=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (226) [system] _578244=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (225) [system] _564308=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (224) [system] _550372=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (223) [system] _536436=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (222) [system] _522500=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (221) [system] _508564=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _494628=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _480692=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _447038)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_658236, _658238), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _447038), _658212, fail)), '$restore_trace'(_658236, _658238))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_658236, _658238))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _447038), _658212, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_447038)
   Fail: (219) [system] atomic(_447038)
   Call: (219) [system] atom_chars(_447038, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _667612)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _669470)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _677208)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _679912)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _694990)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _700560)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _702418)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _716572)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _700560)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _722142)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _736296)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _741866)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _743724)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _757878)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _741866)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _775520)
   Call: (222) [system] peek_char((0x558d99e6bec0), _776454)
   Exit: (222) [system] peek_char((0x558d99e6bec0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_781174, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_782106, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x558d99e6bec0), r)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _789456)
   Call: (223) [system] peek_char((0x558d99e6bec0), _790390)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_795110, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_796042, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _803392)
   Call: (224) [system] peek_char((0x558d99e6bec0), _804326)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_809046, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_809978, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _817328)
   Call: (225) [system] peek_char((0x558d99e6bec0), _818262)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_822982, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_823914, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _831264)
   Call: (226) [system] peek_char((0x558d99e6bec0), _832198)
   Exit: (226) [system] peek_char((0x558d99e6bec0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_836918, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_837850, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x558d99e6bec0), k)
   Exit: (226) [system] get_char((0x558d99e6bec0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _845200)
   Call: (227) [system] peek_char((0x558d99e6bec0), _846134)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _845200=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _831264=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (225) [system] _817328=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (224) [system] _803392=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (223) [system] _789456=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (222) [system] _775520=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _741866)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_869414, _869416), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741866), _869390, fail)), '$restore_trace'(_869414, _869416))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_869414, _869416))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _741866), _869390, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_741866)
   Fail: (222) [system] atomic(_741866)
   Call: (222) [system] atom_chars(_741866, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _878790)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _880648)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _888386)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _891090)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _906168)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _911738)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _913596)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _927750)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _911738)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945392)
   Call: (223) [system] peek_char((0x558d99e6bec0), _946326)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _945392=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('C', [], _911738)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_955636, _955638), once(user:catch(read_from_chars(['C'], _911738), _955612, fail)), '$restore_trace'(_955636, _955638))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_955636, _955638))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _911738), _955612, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_911738)
   Fail: (223) [system] atomic(_911738)
   Call: (223) [system] atom_chars(_911738, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _965012)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _966870)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _974608)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _977312)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _992390)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _997960)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _999818)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1013972)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _997960)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1031614)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1032548)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1037268, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1031614=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('D', [], _997960)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1043730, _1043732), once(user:catch(read_from_chars(['D'], _997960), _1043706, fail)), '$restore_trace'(_1043730, _1043732))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1043730, _1043732))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _997960), _1043706, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_997960)
   Fail: (224) [system] atomic(_997960)
   Call: (224) [system] atom_chars(_997960, ['D'])
   Exit: (224) [system] atom_chars('D', ['D'])
^  Exit: (223) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1053106)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1054964)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1069118)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _1072908)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _1053106=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _965012=['D']
   Exit: (221) [system] ['D']=['D']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (220) [system] _878790=['C', 'D']
   Exit: (220) [system] ['C', 'D']=['C', 'D']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (219) [system] _700560=['OrLink', 'C', 'D']
   Exit: (219) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1086790)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1088648)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1096386)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1099090)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (220) [system] 'E'=(;)
   Fail: (220) [system] 'E'=(;)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Fail: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Fail: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Fail: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
   Fail: (221) [system] char_type('E', cntrl)
^  Fail: (220) [user] is_like_space('E')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1114168)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (218) [system] 'E'=')'
   Fail: (218) [system] 'E'=')'
   Call: (218) [system] 'E'=end_of_file
   Fail: (218) [system] 'E'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1119738)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1121596)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (220) [system] 'E'=(;)
   Fail: (220) [system] 'E'=(;)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Fail: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Fail: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Fail: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
   Fail: (221) [system] char_type('E', cntrl)
^  Fail: (220) [user] is_like_space('E')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1135750)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'E')
   Call: (219) [system] 'E'='('
   Fail: (219) [system] 'E'='('
   Call: (219) [system] 'E'='['
   Fail: (219) [system] 'E'='['
   Call: (219) [system] 'E'='{'
   Fail: (219) [system] 'E'='{'
   Call: (219) [system] 'E'='"'
   Fail: (219) [system] 'E'='"'
   Call: (219) [system] 'E'=!
   Fail: (219) [system] 'E'=!
   Call: (219) [system] 'E'='\''
   Fail: (219) [system] 'E'='\''
   Call: (219) [system] 'E'='`'
   Fail: (219) [system] 'E'='`'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1119738)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1153392)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1154326)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1159046, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1153392=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('E', [], _1119738)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1165508, _1165510), once(user:catch(read_from_chars(['E'], _1119738), _1165484, fail)), '$restore_trace'(_1165508, _1165510))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1165508, _1165510))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1119738), _1165484, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1119738)
   Fail: (221) [system] atomic(_1119738)
   Call: (221) [system] atom_chars(_1119738, ['E'])
   Exit: (221) [system] atom_chars('E', ['E'])
^  Exit: (220) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1174884)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1176742)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1190896)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _1194686)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _1174884=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1086790=['E']
   Exit: (218) [system] ['E']=['E']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (217) [system] _667612=[['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (216) [system] _405732=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (216) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1208568)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1210426)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1224580)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1228370)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1208568=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _372784=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _286562=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (212) [system] _91602=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (212) [system] ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1242252)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1244110)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1258264)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _1262054)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _1242252=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _58654=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _4948=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (208) [system] _4940=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (208) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1275936)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1277794)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x558d99e6bec0), _1287388)
   Exit: (208) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1290092)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (209) [system] '\t'=(;)
   Fail: (209) [system] '\t'=(;)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x558d99e6bec0), _1297830)
   Exit: (209) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1300534)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x558d99e6bec0), _1308272)
   Exit: (210) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1310976)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1318714)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1321418)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1339268)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1344838)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1346696)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1360850)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1344838)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1366420)
   Exit: (210) [system] peek_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1380574)
   Exit: (209) [system] peek_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1386144)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1388002)
   Exit: (211) [system] peek_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1402156)
   Exit: (210) [system] get_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), :, _1386144)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419798)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1420732)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1419798=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq(:, [], _1386144)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1430042, _1430044), once(user:catch(read_from_chars([:], _1386144), _1430018, fail)), '$restore_trace'(_1430042, _1430044))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1430042, _1430044))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1430018, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1437542)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1439400)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1447138)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1449842)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1464920)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1470490)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1472348)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1486502)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1470490)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1492072)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1506226)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1511796)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1513654)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1527808)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1511796)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1545450)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1546384)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1551104, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1552036, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1559386)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1560320)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1565040, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1565972, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1573322)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1574256)
   Exit: (217) [system] peek_char((0x558d99e6bec0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1578976, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_1579908, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x558d99e6bec0), j)
   Exit: (217) [system] get_char((0x558d99e6bec0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1587258)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1588192)
   Exit: (218) [system] peek_char((0x558d99e6bec0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1592912, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_1593844, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x558d99e6bec0), u)
   Exit: (218) [system] get_char((0x558d99e6bec0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1601194)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1602128)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1606848, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1607780, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1615130)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1616064)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1620784, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1621716, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1629066)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1630000)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1634720, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1635652, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1643002)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1643936)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1648656, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1649588, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1656938)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1657872)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1662592, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1663524, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1670874)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1671808)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1676528, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1677460, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1684810)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1685744)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1690464, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_1691396, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1698746)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1699680)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1704400, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1705332, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1712682)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1713616)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1718336, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1719268, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1726618)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1727552)
   Exit: (228) [system] peek_char((0x558d99e6bec0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1732272, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1733204, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x558d99e6bec0), r)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1740554)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1741488)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1746208, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1747140, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1754490)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1755424)
   Exit: (230) [system] peek_char((0x558d99e6bec0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1760144, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1761076, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x558d99e6bec0), d)
   Exit: (230) [system] get_char((0x558d99e6bec0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1768426)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1769360)
   Exit: (231) [system] peek_char((0x558d99e6bec0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1774080, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_1775012, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x558d99e6bec0), u)
   Exit: (231) [system] get_char((0x558d99e6bec0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1782362)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1783296)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1788016, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1788948, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1796298)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1797232)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1801952, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1802884, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1810234)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1811168)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1815888, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1816820, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1824170)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1825104)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1829824, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1830756, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1838106)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1839040)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1843760, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1844692, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1852042)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1852976)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1852042=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (236) [system] _1838106=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (235) [system] _1824170=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (234) [system] _1810234=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (233) [system] _1796298=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (232) [system] _1782362=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (231) [system] _1768426=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (230) [system] _1754490=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (229) [system] _1740554=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1726618=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1712682=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1698746=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1684810=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1670874=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1656938=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1643002=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1629066=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1615130=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1601194=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1587258=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1573322=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1559386=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1545450=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1511796)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1923754, _1923756), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1511796), _1923730, fail)), '$restore_trace'(_1923754, _1923756))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1923754, _1923756))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1511796), _1923730, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1511796)
   Fail: (215) [system] atomic(_1511796)
   Call: (215) [system] atom_chars(_1511796, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1933130)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1934988)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1942726)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1945430)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1960508)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1966078)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1967936)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1982090)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, _1966078)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1999732)
   Call: (216) [system] peek_char((0x558d99e6bec0), _2000666)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1999732=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq(a, [], _1966078)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_2009976, _2009978), once(user:catch(read_from_chars([a], _1966078), _2009952, fail)), '$restore_trace'(_2009976, _2009978))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_2009976, _2009978))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2009952, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _2017476)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _2019334)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _2027072)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2029776)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2044854)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _2050424)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2052282)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _2066436)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, _2050424)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2084078)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2085012)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_2089732, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _2084078=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq(a, [], _2050424)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_5102, _5104), once(user:catch(read_from_chars([a], _5066), _5078, fail)), '$restore_trace'(_5102, _5104))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_5102, _5104))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _5078, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _12018)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _13876)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _28030)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _31820)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _12018=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _5062=[a]
   Exit: (214) [system] [a]=[a]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (213) [system] _5056=[a, a]
   Exit: (213) [system] [a, a]=[a, a]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (212) [system] _5048=['ConjunctionIntroduction', a, a]
   Exit: (212) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _45702)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _47560)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _55298)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _58002)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _73080)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _78650)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _80508)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _94662)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _78650)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _100232)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _114386)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _119956)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _121814)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _135968)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _119956)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _153610)
   Call: (216) [system] peek_char((0x558d99e6bec0), _154544)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_159264, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_160196, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _167546)
   Call: (217) [system] peek_char((0x558d99e6bec0), _168480)
   Exit: (217) [system] peek_char((0x558d99e6bec0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_173200, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_174132, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x558d99e6bec0), d)
   Exit: (217) [system] get_char((0x558d99e6bec0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _181482)
   Call: (218) [system] peek_char((0x558d99e6bec0), _182416)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_187136, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_188068, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _195418)
   Call: (219) [system] peek_char((0x558d99e6bec0), _196352)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_201072, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_202004, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _209354)
   Call: (220) [system] peek_char((0x558d99e6bec0), _210288)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_215008, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_215940, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _223290)
   Call: (221) [system] peek_char((0x558d99e6bec0), _224224)
   Exit: (221) [system] peek_char((0x558d99e6bec0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_228944, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_229876, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x558d99e6bec0), k)
   Exit: (221) [system] get_char((0x558d99e6bec0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _237226)
   Call: (222) [system] peek_char((0x558d99e6bec0), _238160)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _237226=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _223290=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (220) [system] _209354=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (219) [system] _195418=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (218) [system] _181482=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (217) [system] _167546=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (216) [system] _153610=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _119956)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_264234, _264236), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _119956), _264210, fail)), '$restore_trace'(_264234, _264236))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_264234, _264236))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _119956), _264210, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_119956)
   Fail: (216) [system] atomic(_119956)
   Call: (216) [system] atom_chars(_119956, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _273610)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _275468)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _283206)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _285910)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _300988)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _306558)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _308416)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _322570)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _306558)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _340212)
   Call: (217) [system] peek_char((0x558d99e6bec0), _341146)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _340212=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _306558)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_350456, _350458), once(user:catch(read_from_chars(['B'], _306558), _350432, fail)), '$restore_trace'(_350456, _350458))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_350456, _350458))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _306558), _350432, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_306558)
   Fail: (217) [system] atomic(_306558)
   Call: (217) [system] atom_chars(_306558, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _359832)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _361690)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _369428)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _372132)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _387210)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _392780)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _394638)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _408792)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _392780)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _426434)
   Call: (218) [system] peek_char((0x558d99e6bec0), _427368)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_432088, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _426434=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _392780)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_438550, _438552), once(user:catch(read_from_chars(['A'], _392780), _438526, fail)), '$restore_trace'(_438550, _438552))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_438550, _438552))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _392780), _438526, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_392780)
   Fail: (218) [system] atomic(_392780)
   Call: (218) [system] atom_chars(_392780, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _447926)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _449784)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _463938)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _467728)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _447926=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _359832=['A']
   Exit: (215) [system] ['A']=['A']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (214) [system] _273610=['B', 'A']
   Exit: (214) [system] ['B', 'A']=['B', 'A']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['B', 'A'])
   Call: (213) [system] _78650=['AndLink', 'B', 'A']
   Exit: (213) [system] ['AndLink', 'B', 'A']=['AndLink', 'B', 'A']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'B', 'A'])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'B', 'A'])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _481610)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _483468)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _497622)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _501412)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _481610=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _45702=[['AndLink', 'B', 'A']]
   Exit: (211) [system] [['AndLink', 'B', 'A']]=[['AndLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'B', 'A']])
   Call: (210) [system] _5044=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (210) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
   Call: (209) [system] _5036=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (209) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _515294)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _517152)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x558d99e6bec0), _526746)
   Exit: (209) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _529450)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (210) [system] '\t'=(;)
   Fail: (210) [system] '\t'=(;)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x558d99e6bec0), _537188)
   Exit: (210) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _539892)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x558d99e6bec0), _547630)
   Exit: (211) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _550334)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _558072)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _560776)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _578626)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _584196)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _586054)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _600208)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _584196)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _605778)
   Exit: (211) [system] peek_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _619932)
   Exit: (210) [system] peek_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _625502)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _627360)
   Exit: (212) [system] peek_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _641514)
   Exit: (211) [system] get_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), :, _625502)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _659156)
   Call: (213) [system] peek_char((0x558d99e6bec0), _660090)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _659156=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq(:, [], _625502)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_669400, _669402), once(user:catch(read_from_chars([:], _625502), _669376, fail)), '$restore_trace'(_669400, _669402))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_669400, _669402))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _669376, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _676900)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _678758)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _686496)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _689200)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _704278)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _709848)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _711706)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _725860)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _709848)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _731430)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _745584)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _751154)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _753012)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _767166)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _751154)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _784808)
   Call: (216) [system] peek_char((0x558d99e6bec0), _785742)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_790462, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_791394, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _798744)
   Call: (217) [system] peek_char((0x558d99e6bec0), _799678)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_804398, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_805330, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _812680)
   Call: (218) [system] peek_char((0x558d99e6bec0), _813614)
   Exit: (218) [system] peek_char((0x558d99e6bec0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_818334, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_819266, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x558d99e6bec0), j)
   Exit: (218) [system] get_char((0x558d99e6bec0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _826616)
   Call: (219) [system] peek_char((0x558d99e6bec0), _827550)
   Exit: (219) [system] peek_char((0x558d99e6bec0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_832270, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_833202, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x558d99e6bec0), u)
   Exit: (219) [system] get_char((0x558d99e6bec0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _840552)
   Call: (220) [system] peek_char((0x558d99e6bec0), _841486)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_846206, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_847138, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _854488)
   Call: (221) [system] peek_char((0x558d99e6bec0), _855422)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_860142, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_861074, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _868424)
   Call: (222) [system] peek_char((0x558d99e6bec0), _869358)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_874078, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_875010, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _882360)
   Call: (223) [system] peek_char((0x558d99e6bec0), _883294)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_888014, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_888946, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _896296)
   Call: (224) [system] peek_char((0x558d99e6bec0), _897230)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_901950, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_902882, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _910232)
   Call: (225) [system] peek_char((0x558d99e6bec0), _911166)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_915886, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_916818, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _924168)
   Call: (226) [system] peek_char((0x558d99e6bec0), _925102)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_929822, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_930754, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _938104)
   Call: (227) [system] peek_char((0x558d99e6bec0), _939038)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_943758, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_944690, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _952040)
   Call: (228) [system] peek_char((0x558d99e6bec0), _952974)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_957694, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_958626, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _965976)
   Call: (229) [system] peek_char((0x558d99e6bec0), _966910)
   Exit: (229) [system] peek_char((0x558d99e6bec0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_971630, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_972562, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x558d99e6bec0), r)
   Exit: (229) [system] get_char((0x558d99e6bec0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _979912)
   Call: (230) [system] peek_char((0x558d99e6bec0), _980846)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_985566, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_986498, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _993848)
   Call: (231) [system] peek_char((0x558d99e6bec0), _994782)
   Exit: (231) [system] peek_char((0x558d99e6bec0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_999502, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1000434, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x558d99e6bec0), d)
   Exit: (231) [system] get_char((0x558d99e6bec0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1007784)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1008718)
   Exit: (232) [system] peek_char((0x558d99e6bec0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1013438, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1014370, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x558d99e6bec0), u)
   Exit: (232) [system] get_char((0x558d99e6bec0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1021720)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1022654)
   Exit: (233) [system] peek_char((0x558d99e6bec0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1027374, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1028306, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x558d99e6bec0), c)
   Exit: (233) [system] get_char((0x558d99e6bec0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1035656)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1036590)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1041310, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1042242, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1049592)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1050526)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1055246, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1056178, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1063528)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1064462)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1069182, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1070114, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1077464)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1078398)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1083118, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1084050, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1091400)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1092334)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1091400=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (237) [system] _1077464=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (236) [system] _1063528=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (235) [system] _1049592=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (234) [system] _1035656=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (233) [system] _1021720=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (232) [system] _1007784=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (231) [system] _993848=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (230) [system] _979912=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _965976=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _952040=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _938104=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _924168=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _910232=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _896296=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _882360=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _868424=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _854488=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _840552=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _826616=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _812680=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _798744=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _784808=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _751154)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1163112, _1163114), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _751154), _1163088, fail)), '$restore_trace'(_1163112, _1163114))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1163112, _1163114))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _751154), _1163088, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_751154)
   Fail: (216) [system] atomic(_751154)
   Call: (216) [system] atom_chars(_751154, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1172488)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1174346)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1182084)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1184788)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1199866)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1205436)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1207294)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1221448)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, _1205436)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1239090)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1240024)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1239090=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq(a, [], _1205436)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1249334, _1249336), once(user:catch(read_from_chars([a], _1205436), _1249310, fail)), '$restore_trace'(_1249334, _1249336))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1249334, _1249336))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1249310, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1256834)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1258692)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1266430)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1269134)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1284212)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1289782)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1291640)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1305794)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, _1289782)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1323436)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1324370)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1329090, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1323436=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq(a, [], _1289782)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1335552, _1335554), once(user:catch(read_from_chars([a], _1289782), _1335528, fail)), '$restore_trace'(_1335552, _1335554))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1335552, _1335554))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1335528, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1343052)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1344910)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1359064)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _1362854)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _1343052=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1256834=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (214) [system] _1172488=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (213) [system] _709848=['ConjunctionIntroduction', a, a]
   Exit: (213) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['ConjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1376736)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1378594)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1386332)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1389036)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1404114)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1409684)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1411542)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1425696)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1409684)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1431266)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1445420)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1450990)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1452848)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1467002)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1450990)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1484644)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1485578)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1490298, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1491230, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1498580)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1499514)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1504234, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1505166, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1512516)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1513450)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1518170, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1519102, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1526452)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1527386)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1532106, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1533038, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1540388)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1541322)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1546042, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1546974, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1554324)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1555258)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1559978, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1560910, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1568260)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1569194)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1568260=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1554324=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _1540388=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _1526452=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _1512516=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _1498580=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (217) [system] _1484644=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1450990)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1595268, _1595270), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1450990), _1595244, fail)), '$restore_trace'(_1595268, _1595270))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1595268, _1595270))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1450990), _1595244, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1450990)
   Fail: (217) [system] atomic(_1450990)
   Call: (217) [system] atom_chars(_1450990, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1604644)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1606502)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1614240)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1616944)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1632022)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1637592)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1639450)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1653604)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1637592)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1671246)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1672180)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1671246=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _1637592)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1681490, _1681492), once(user:catch(read_from_chars(['B'], _1637592), _1681466, fail)), '$restore_trace'(_1681490, _1681492))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1681490, _1681492))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1637592), _1681466, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1637592)
   Fail: (218) [system] atomic(_1637592)
   Call: (218) [system] atom_chars(_1637592, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1690866)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1692724)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1700462)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1703166)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1718244)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1723814)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1725672)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1739826)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1723814)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1757468)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1758402)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1763122, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1757468=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _1723814)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1769584, _1769586), once(user:catch(read_from_chars(['B'], _1723814), _1769560, fail)), '$restore_trace'(_1769584, _1769586))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1769584, _1769586))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1723814), _1769560, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1723814)
   Fail: (219) [system] atomic(_1723814)
   Call: (219) [system] atom_chars(_1723814, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1778960)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1780818)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1794972)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1798762)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _1778960=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _1690866=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (215) [system] _1604644=['B', 'B']
   Exit: (215) [system] ['B', 'B']=['B', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['B', 'B'])
   Call: (214) [system] _1409684=['AndLink', 'B', 'B']
   Exit: (214) [system] ['AndLink', 'B', 'B']=['AndLink', 'B', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'B', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'B', 'B'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1812644)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1814502)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1828656)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1832446)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1812644=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1376736=[['AndLink', 'B', 'B']]
   Exit: (212) [system] [['AndLink', 'B', 'B']]=[['AndLink', 'B', 'B']]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'B', 'B']])
   Call: (211) [system] _676900=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (211) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
   Call: (210) [system] _584196=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (210) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1846328)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1848186)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x558d99e6bec0), _1857780)
   Exit: (210) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1860484)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (211) [system] '\t'=(;)
   Fail: (211) [system] '\t'=(;)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x558d99e6bec0), _1868222)
   Exit: (211) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1870926)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x558d99e6bec0), _1878664)
   Exit: (212) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1881368)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1889106)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1891810)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1909660)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1915230)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1917088)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1931242)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1915230)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1936812)
   Exit: (212) [system] peek_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1950966)
   Exit: (211) [system] peek_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1956536)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1958394)
   Exit: (213) [system] peek_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1972548)
   Exit: (212) [system] get_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), :, _1956536)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1990190)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1991124)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1990190=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq(:, [], _1956536)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_2000434, _2000436), once(user:catch(read_from_chars([:], _1956536), _2000410, fail)), '$restore_trace'(_2000434, _2000436))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_2000434, _2000436))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2000410, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _2007934)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2009792)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _2017530)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2020234)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2035312)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _2040882)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2042740)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _2056894)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _2040882)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _2062464)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2076618)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _2082188)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2084046)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _6626)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _5174)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _24268)
   Call: (217) [system] peek_char((0x558d99e6bec0), _25202)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_29922, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_30854, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _38204)
   Call: (218) [system] peek_char((0x558d99e6bec0), _39138)
   Exit: (218) [system] peek_char((0x558d99e6bec0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_43858, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_44790, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x558d99e6bec0), s)
   Exit: (218) [system] get_char((0x558d99e6bec0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52140)
   Call: (219) [system] peek_char((0x558d99e6bec0), _53074)
   Exit: (219) [system] peek_char((0x558d99e6bec0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_57794, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_58726, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x558d99e6bec0), j)
   Exit: (219) [system] get_char((0x558d99e6bec0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66076)
   Call: (220) [system] peek_char((0x558d99e6bec0), _67010)
   Exit: (220) [system] peek_char((0x558d99e6bec0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_71730, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_72662, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x558d99e6bec0), u)
   Exit: (220) [system] get_char((0x558d99e6bec0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80012)
   Call: (221) [system] peek_char((0x558d99e6bec0), _80946)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_85666, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_86598, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _93948)
   Call: (222) [system] peek_char((0x558d99e6bec0), _94882)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_99602, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_100534, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _107884)
   Call: (223) [system] peek_char((0x558d99e6bec0), _108818)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_113538, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_114470, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _121820)
   Call: (224) [system] peek_char((0x558d99e6bec0), _122754)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_127474, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_128406, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _135756)
   Call: (225) [system] peek_char((0x558d99e6bec0), _136690)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_141410, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_142342, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _149692)
   Call: (226) [system] peek_char((0x558d99e6bec0), _150626)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_155346, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_156278, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _163628)
   Call: (227) [system] peek_char((0x558d99e6bec0), _164562)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_169282, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_170214, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _177564)
   Call: (228) [system] peek_char((0x558d99e6bec0), _178498)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_183218, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_184150, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _191500)
   Call: (229) [system] peek_char((0x558d99e6bec0), _192434)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_197154, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_198086, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _205436)
   Call: (230) [system] peek_char((0x558d99e6bec0), _206370)
   Exit: (230) [system] peek_char((0x558d99e6bec0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_211090, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_212022, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x558d99e6bec0), r)
   Exit: (230) [system] get_char((0x558d99e6bec0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _219372)
   Call: (231) [system] peek_char((0x558d99e6bec0), _220306)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_225026, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_225958, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _233308)
   Call: (232) [system] peek_char((0x558d99e6bec0), _234242)
   Exit: (232) [system] peek_char((0x558d99e6bec0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_238962, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_239894, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x558d99e6bec0), d)
   Exit: (232) [system] get_char((0x558d99e6bec0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247244)
   Call: (233) [system] peek_char((0x558d99e6bec0), _248178)
   Exit: (233) [system] peek_char((0x558d99e6bec0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_252898, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_253830, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x558d99e6bec0), u)
   Exit: (233) [system] get_char((0x558d99e6bec0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _261180)
   Call: (234) [system] peek_char((0x558d99e6bec0), _262114)
   Exit: (234) [system] peek_char((0x558d99e6bec0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_266834, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_267766, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x558d99e6bec0), c)
   Exit: (234) [system] get_char((0x558d99e6bec0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _275116)
   Call: (235) [system] peek_char((0x558d99e6bec0), _276050)
   Exit: (235) [system] peek_char((0x558d99e6bec0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_280770, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_281702, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x558d99e6bec0), t)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _289052)
   Call: (236) [system] peek_char((0x558d99e6bec0), _289986)
   Exit: (236) [system] peek_char((0x558d99e6bec0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_294706, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_295638, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x558d99e6bec0), i)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _302988)
   Call: (237) [system] peek_char((0x558d99e6bec0), _303922)
   Exit: (237) [system] peek_char((0x558d99e6bec0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_308642, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_309574, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x558d99e6bec0), o)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _316924)
   Call: (238) [system] peek_char((0x558d99e6bec0), _317858)
   Exit: (238) [system] peek_char((0x558d99e6bec0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_322578, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_323510, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x558d99e6bec0), n)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _330860)
   Call: (239) [system] peek_char((0x558d99e6bec0), _331794)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _330860=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (238) [system] _316924=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (237) [system] _302988=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (236) [system] _289052=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (235) [system] _275116=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (234) [system] _261180=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (233) [system] _247244=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (232) [system] _233308=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (231) [system] _219372=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _205436=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _191500=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _177564=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _163628=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _149692=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _135756=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _121820=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _107884=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _93948=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _80012=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _66076=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _52140=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _38204=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _24268=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5174)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_402572, _402574), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5174), _402548, fail)), '$restore_trace'(_402572, _402574))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_402572, _402574))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5174), _402548, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_5174)
   Fail: (217) [system] atomic(_5174)
   Call: (217) [system] atom_chars(_5174, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _411948)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _413806)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _421544)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _424248)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _439326)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _444896)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _446754)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _460908)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, _444896)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _478550)
   Call: (218) [system] peek_char((0x558d99e6bec0), _479484)
   Exit: (218) [system] peek_char((0x558d99e6bec0), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_484204, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_485136, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x558d99e6bec0), b)
   Exit: (218) [system] get_char((0x558d99e6bec0), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _492486)
   Call: (219) [system] peek_char((0x558d99e6bec0), _493420)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_498140, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_499072, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506422)
   Call: (220) [system] peek_char((0x558d99e6bec0), _507356)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _506422=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _492486=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (218) [system] _478550=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (217) [user] classify_and_convert_charseq(a, [b, c], _444896)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_522254, _522256), once(user:catch(read_from_chars([a, b, c], _444896), _522230, fail)), '$restore_trace'(_522254, _522256))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_522254, _522256))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _522230, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _529754)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _531612)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _539350)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _542054)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _557132)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _562702)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _564560)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _578714)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, _562702)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _596356)
   Call: (219) [system] peek_char((0x558d99e6bec0), _597290)
   Exit: (219) [system] peek_char((0x558d99e6bec0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_602010, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_602942, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x558d99e6bec0), b)
   Exit: (219) [system] get_char((0x558d99e6bec0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _610292)
   Call: (220) [system] peek_char((0x558d99e6bec0), _611226)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_615946, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_616878, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _624228)
   Call: (221) [system] peek_char((0x558d99e6bec0), _625162)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_629882, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _624228=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _610292=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (219) [system] _596356=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _562702)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_641932, _641934), once(user:catch(read_from_chars([a, b, c], _562702), _641908, fail)), '$restore_trace'(_641932, _641934))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_641932, _641934))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _641908, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _649432)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _651290)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _665444)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _669234)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _649432=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _529754=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (215) [system] _411948=[abc, abc]
   Exit: (215) [system] [abc, abc]=[abc, abc]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [abc, abc])
   Call: (214) [system] _5168=['DisjunctionIntroduction', abc, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, abc])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _683116)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _684974)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _692712)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _695416)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _710494)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _716064)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _717922)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _732076)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _716064)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _737646)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _751800)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _757370)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _759228)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _773382)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _757370)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _791024)
   Call: (218) [system] peek_char((0x558d99e6bec0), _791958)
   Exit: (218) [system] peek_char((0x558d99e6bec0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_796678, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_797610, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x558d99e6bec0), r)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _804960)
   Call: (219) [system] peek_char((0x558d99e6bec0), _805894)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_810614, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_811546, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _818896)
   Call: (220) [system] peek_char((0x558d99e6bec0), _819830)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_824550, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_825482, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _832832)
   Call: (221) [system] peek_char((0x558d99e6bec0), _833766)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_838486, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_839418, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _846768)
   Call: (222) [system] peek_char((0x558d99e6bec0), _847702)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_852422, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_853354, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _860704)
   Call: (223) [system] peek_char((0x558d99e6bec0), _861638)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _860704=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _846768=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _832832=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _818896=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _804960=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _791024=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _757370)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_884918, _884920), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _757370), _884894, fail)), '$restore_trace'(_884918, _884920))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_884918, _884920))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _757370), _884894, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_757370)
   Fail: (218) [system] atomic(_757370)
   Call: (218) [system] atom_chars(_757370, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _894294)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _896152)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _903890)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _906594)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _921672)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _927242)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _929100)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _943254)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _927242)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _948824)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _962978)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _968548)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _970406)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _984560)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _968548)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1002202)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1003136)
   Exit: (221) [system] peek_char((0x558d99e6bec0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_1007856, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_1008788, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x558d99e6bec0), m)
   Exit: (221) [system] get_char((0x558d99e6bec0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1016138)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1017072)
   Exit: (222) [system] peek_char((0x558d99e6bec0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_1021792, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_1022724, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x558d99e6bec0), p)
   Exit: (222) [system] get_char((0x558d99e6bec0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1030074)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1031008)
   Exit: (223) [system] peek_char((0x558d99e6bec0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_1035728, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_1036660, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x558d99e6bec0), l)
   Exit: (223) [system] get_char((0x558d99e6bec0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1044010)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1044944)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1049664, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1050596, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1057946)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1058880)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1063600, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1064532, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1071882)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1072816)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_1077536, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_1078468, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x558d99e6bec0), a)
   Exit: (226) [system] get_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1085818)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1086752)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1091472, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1092404, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1099754)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1100688)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1105408, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1106340, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1113690)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1114624)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1119344, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1120276, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1127626)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1128560)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1133280, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1134212, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1141562)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1142496)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1141562=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1127626=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (229) [system] _1113690=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (228) [system] _1099754=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (227) [system] _1085818=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (226) [system] _1071882=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (225) [system] _1057946=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (224) [system] _1044010=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (223) [system] _1030074=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _1016138=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _1002202=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _968548)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1179746, _1179748), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _968548), _1179722, fail)), '$restore_trace'(_1179746, _1179748))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1179746, _1179748))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _968548), _1179722, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_968548)
   Fail: (221) [system] atomic(_968548)
   Call: (221) [system] atom_chars(_968548, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1189122)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1190980)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1198718)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1201422)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1216500)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1222070)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1223928)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1238082)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1222070)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1243652)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1257806)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1263376)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1265234)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1279388)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1263376)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1297030)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1297964)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1302684, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1303616, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1310966)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1311900)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1316620, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1317552, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1324902)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1325836)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1330556, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1331488, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1338838)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1339772)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1344492, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1345424, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1352774)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1353708)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1358428, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1359360, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1366710)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1367644)
   Exit: (229) [system] peek_char((0x558d99e6bec0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1372364, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1373296, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x558d99e6bec0), k)
   Exit: (229) [system] get_char((0x558d99e6bec0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1380646)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1381580)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1380646=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _1366710=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (228) [system] _1352774=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (227) [system] _1338838=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (226) [system] _1324902=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (225) [system] _1310966=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (224) [system] _1297030=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1263376)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1407654, _1407656), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1263376), _1407630, fail)), '$restore_trace'(_1407654, _1407656))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1407654, _1407656))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1263376), _1407630, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1263376)
   Fail: (224) [system] atomic(_1263376)
   Call: (224) [system] atom_chars(_1263376, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1417030)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1418888)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1426626)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1429330)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1444408)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1449978)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1451836)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1465990)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1449978)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1483632)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1484566)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1483632=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('A', [], _1449978)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1493876, _1493878), once(user:catch(read_from_chars(['A'], _1449978), _1493852, fail)), '$restore_trace'(_1493876, _1493878))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1493876, _1493878))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1449978), _1493852, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1449978)
   Fail: (225) [system] atomic(_1449978)
   Call: (225) [system] atom_chars(_1449978, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1503252)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1505110)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1512848)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1515552)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1530630)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1536200)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1538058)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1552212)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1536200)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1569854)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1570788)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1575508, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1569854=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('B', [], _1536200)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1581970, _1581972), once(user:catch(read_from_chars(['B'], _1536200), _1581946, fail)), '$restore_trace'(_1581970, _1581972))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1581970, _1581972))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1536200), _1581946, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1536200)
   Fail: (226) [system] atomic(_1536200)
   Call: (226) [system] atom_chars(_1536200, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1591346)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1593204)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1607358)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _1611148)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _1591346=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1503252=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (222) [system] _1417030=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (221) [system] _1222070=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1625030)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1626888)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1634626)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1637330)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1652408)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1657978)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1659836)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1673990)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1657978)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1691632)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1692566)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1697286, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1691632=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('C', [], _1657978)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1703748, _1703750), once(user:catch(read_from_chars(['C'], _1657978), _1703724, fail)), '$restore_trace'(_1703748, _1703750))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1703748, _1703750))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1657978), _1703724, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1657978)
   Fail: (223) [system] atomic(_1657978)
   Call: (223) [system] atom_chars(_1657978, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1713124)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1714982)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1729136)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _1732926)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _1713124=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1625030=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (219) [system] _1189122=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _927242=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1746808)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1748666)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1756404)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1759108)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1774186)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1779756)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1781614)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1795768)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1779756)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1801338)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1815492)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1821062)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1822920)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1837074)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1821062)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1854716)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1855650)
   Exit: (222) [system] peek_char((0x558d99e6bec0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1860370, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1861302, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x558d99e6bec0), m)
   Exit: (222) [system] get_char((0x558d99e6bec0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1868652)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1869586)
   Exit: (223) [system] peek_char((0x558d99e6bec0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1874306, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1875238, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x558d99e6bec0), p)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1882588)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1883522)
   Exit: (224) [system] peek_char((0x558d99e6bec0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1888242, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1889174, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x558d99e6bec0), l)
   Exit: (224) [system] get_char((0x558d99e6bec0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1896524)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1897458)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1902178, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1903110, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1910460)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1911394)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1916114, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1917046, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1924396)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1925330)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1930050, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1930982, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x558d99e6bec0), a)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1938332)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1939266)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1943986, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1944918, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1952268)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1953202)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1957922, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1958854, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1966204)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1967138)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1971858, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1972790, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1980140)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1981074)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1985794, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1986726, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1994076)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1995010)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1994076=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1980140=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _1966204=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _1952268=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _1938332=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _1924396=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (226) [system] _1910460=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (225) [system] _1896524=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1882588=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1868652=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1854716=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1821062)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2032260, _2032262), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1821062), _2032236, fail)), '$restore_trace'(_2032260, _2032262))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2032260, _2032262))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1821062), _2032236, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1821062)
   Fail: (222) [system] atomic(_1821062)
   Call: (222) [system] atom_chars(_1821062, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _2041636)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _2043494)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _2051232)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2053936)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2069014)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _2074584)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2076442)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _2090596)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _2074584)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _5264)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _18840)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _24410)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _26268)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _40422)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _24410)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _58064)
   Call: (225) [system] peek_char((0x558d99e6bec0), _58998)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_63718, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_64650, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _72000)
   Call: (226) [system] peek_char((0x558d99e6bec0), _72934)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_77654, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_78586, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _85936)
   Call: (227) [system] peek_char((0x558d99e6bec0), _86870)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_91590, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_92522, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _99872)
   Call: (228) [system] peek_char((0x558d99e6bec0), _100806)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_105526, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_106458, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _113808)
   Call: (229) [system] peek_char((0x558d99e6bec0), _114742)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_119462, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_120394, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _127744)
   Call: (230) [system] peek_char((0x558d99e6bec0), _128678)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_133398, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_134330, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _141680)
   Call: (231) [system] peek_char((0x558d99e6bec0), _142614)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _141680=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _127744=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _113808=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _99872=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _85936=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _72000=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (225) [system] _58064=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _24410)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_168688, _168690), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _24410), _168664, fail)), '$restore_trace'(_168688, _168690))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_168688, _168690))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _24410), _168664, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_24410)
   Fail: (225) [system] atomic(_24410)
   Call: (225) [system] atom_chars(_24410, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _178064)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _179922)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _187660)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _190364)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _205442)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _211012)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _212870)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _227024)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _211012)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _244666)
   Call: (226) [system] peek_char((0x558d99e6bec0), _245600)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _244666=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _211012)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_254910, _254912), once(user:catch(read_from_chars(['A'], _211012), _254886, fail)), '$restore_trace'(_254910, _254912))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_254910, _254912))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _211012), _254886, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_211012)
   Fail: (226) [system] atomic(_211012)
   Call: (226) [system] atom_chars(_211012, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _264286)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _266144)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _273882)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _276586)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _291664)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _297234)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _299092)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _313246)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _297234)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _330888)
   Call: (227) [system] peek_char((0x558d99e6bec0), _331822)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_336542, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _330888=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _297234)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_343004, _343006), once(user:catch(read_from_chars(['B'], _297234), _342980, fail)), '$restore_trace'(_343004, _343006))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_343004, _343006))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _297234), _342980, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_297234)
   Fail: (227) [system] atomic(_297234)
   Call: (227) [system] atom_chars(_297234, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _352380)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _354238)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _368392)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _372182)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _352380=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _264286=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (223) [system] _178064=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (222) [system] _5258=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _386064)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _387922)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _395660)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _398364)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _413442)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _419012)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _420870)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _435024)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _419012)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _452666)
   Call: (224) [system] peek_char((0x558d99e6bec0), _453600)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_458320, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _452666=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _419012)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_464782, _464784), once(user:catch(read_from_chars(['C'], _419012), _464758, fail)), '$restore_trace'(_464782, _464784))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_464782, _464784))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _419012), _464758, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_419012)
   Fail: (224) [system] atomic(_419012)
   Call: (224) [system] atom_chars(_419012, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _474158)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _476016)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _490170)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _493960)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _474158=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _386064=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (220) [system] _5254=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5246=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _507842)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _509700)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _523854)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _527644)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _507842=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _5242=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5200=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5192=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _541526)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _543384)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _557538)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _561328)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _541526=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _5188=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5164=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5156=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _575210)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _577068)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x558d99e6bec0), _586662)
   Exit: (211) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _589366)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (212) [system] '\t'=(;)
   Fail: (212) [system] '\t'=(;)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x558d99e6bec0), _597104)
   Exit: (212) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _599808)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x558d99e6bec0), _607546)
   Exit: (213) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _610250)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _617988)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _620692)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _638542)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _644112)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _645970)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _660124)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _644112)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _665694)
   Exit: (213) [system] peek_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _679848)
   Exit: (212) [system] peek_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _685418)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _687276)
   Exit: (214) [system] peek_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _701430)
   Exit: (213) [system] get_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), :, _685418)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _719072)
   Call: (215) [system] peek_char((0x558d99e6bec0), _720006)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _719072=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq(:, [], _685418)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_729316, _729318), once(user:catch(read_from_chars([:], _685418), _729292, fail)), '$restore_trace'(_729316, _729318))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_729316, _729318))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _729292, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _736816)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _738674)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _746412)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _749116)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _764194)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _769764)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _771622)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _785776)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _769764)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _791346)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _805500)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _811070)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _812928)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _827082)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _811070)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _844724)
   Call: (218) [system] peek_char((0x558d99e6bec0), _845658)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_850378, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_851310, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _858660)
   Call: (219) [system] peek_char((0x558d99e6bec0), _859594)
   Exit: (219) [system] peek_char((0x558d99e6bec0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_864314, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_865246, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x558d99e6bec0), s)
   Exit: (219) [system] get_char((0x558d99e6bec0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _872596)
   Call: (220) [system] peek_char((0x558d99e6bec0), _873530)
   Exit: (220) [system] peek_char((0x558d99e6bec0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_878250, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_879182, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x558d99e6bec0), j)
   Exit: (220) [system] get_char((0x558d99e6bec0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _886532)
   Call: (221) [system] peek_char((0x558d99e6bec0), _887466)
   Exit: (221) [system] peek_char((0x558d99e6bec0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_892186, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_893118, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x558d99e6bec0), u)
   Exit: (221) [system] get_char((0x558d99e6bec0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _900468)
   Call: (222) [system] peek_char((0x558d99e6bec0), _901402)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_906122, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_907054, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _914404)
   Call: (223) [system] peek_char((0x558d99e6bec0), _915338)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_920058, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_920990, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _928340)
   Call: (224) [system] peek_char((0x558d99e6bec0), _929274)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_933994, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_934926, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _942276)
   Call: (225) [system] peek_char((0x558d99e6bec0), _943210)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_947930, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_948862, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _956212)
   Call: (226) [system] peek_char((0x558d99e6bec0), _957146)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_961866, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_962798, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _970148)
   Call: (227) [system] peek_char((0x558d99e6bec0), _971082)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_975802, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_976734, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _984084)
   Call: (228) [system] peek_char((0x558d99e6bec0), _985018)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_989738, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_990670, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _998020)
   Call: (229) [system] peek_char((0x558d99e6bec0), _998954)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1003674, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1004606, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1011956)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1012890)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1017610, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1018542, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1025892)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1026826)
   Exit: (231) [system] peek_char((0x558d99e6bec0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1031546, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1032478, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x558d99e6bec0), r)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039828)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1040762)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1045482, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1046414, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053764)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1054698)
   Exit: (233) [system] peek_char((0x558d99e6bec0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_1059418, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_1060350, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x558d99e6bec0), d)
   Exit: (233) [system] get_char((0x558d99e6bec0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1067700)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1068634)
   Exit: (234) [system] peek_char((0x558d99e6bec0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1073354, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1074286, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x558d99e6bec0), u)
   Exit: (234) [system] get_char((0x558d99e6bec0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1081636)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1082570)
   Exit: (235) [system] peek_char((0x558d99e6bec0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1087290, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1088222, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x558d99e6bec0), c)
   Exit: (235) [system] get_char((0x558d99e6bec0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1095572)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1096506)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1101226, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1102158, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1109508)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1110442)
   Exit: (237) [system] peek_char((0x558d99e6bec0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1115162, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1116094, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x558d99e6bec0), i)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1123444)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1124378)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1129098, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1130030, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1137380)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1138314)
   Exit: (239) [system] peek_char((0x558d99e6bec0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1143034, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1143966, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x558d99e6bec0), n)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1151316)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1152250)
   Exit: (240) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1151316=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (239) [system] _1137380=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (238) [system] _1123444=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (237) [system] _1109508=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (236) [system] _1095572=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (235) [system] _1081636=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (234) [system] _1067700=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (233) [system] _1053764=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (232) [system] _1039828=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _1025892=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1011956=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _998020=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _984084=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _970148=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _956212=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _942276=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _928340=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _914404=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _900468=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _886532=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _872596=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _858660=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _844724=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _811070)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1223028, _1223030), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _811070), _1223004, fail)), '$restore_trace'(_1223028, _1223030))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1223028, _1223030))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _811070), _1223004, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_811070)
   Fail: (218) [system] atomic(_811070)
   Call: (218) [system] atom_chars(_811070, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1232404)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1234262)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1242000)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1244704)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1259782)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1265352)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1267210)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1281364)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, _1265352)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1299006)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1299940)
   Exit: (219) [system] peek_char((0x558d99e6bec0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1304660, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_1305592, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x558d99e6bec0), b)
   Exit: (219) [system] get_char((0x558d99e6bec0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1312942)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1313876)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1318596, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1319528, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1326878)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1327812)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1326878=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1312942=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (219) [system] _1299006=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _1265352)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1342710, _1342712), once(user:catch(read_from_chars([a, b, c], _1265352), _1342686, fail)), '$restore_trace'(_1342710, _1342712))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1342710, _1342712))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1342686, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1350210)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1352068)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1359806)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1362510)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1377588)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
   Call: (217) [system] c=')'
   Fail: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1383158)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1385016)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1399170)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c='('
   Fail: (218) [system] c='('
   Call: (218) [system] c='['
   Fail: (218) [system] c='['
   Call: (218) [system] c='{'
   Fail: (218) [system] c='{'
   Call: (218) [system] c='"'
   Fail: (218) [system] c='"'
   Call: (218) [system] c=!
   Fail: (218) [system] c=!
   Call: (218) [system] c='\''
   Fail: (218) [system] c='\''
   Call: (218) [system] c='`'
   Fail: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), c, _1383158)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1416812)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1417746)
   Exit: (220) [system] peek_char((0x558d99e6bec0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1422466, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1423398, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x558d99e6bec0), d)
   Exit: (220) [system] get_char((0x558d99e6bec0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1430748)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1431682)
   Exit: (221) [system] peek_char((0x558d99e6bec0), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Fail: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1436402, v('(', ')', end_of_file), e)
   Fail: (222) [system] arg(_1437334, v('(', ')', end_of_file), e)
^  Fail: (221) [user] is_delimiter(e)
   Call: (221) [system] ')'==e
   Fail: (221) [system] ')'==e
   Call: (221) [system] get_char((0x558d99e6bec0), e)
   Exit: (221) [system] get_char((0x558d99e6bec0), e)
   Call: (221) [system] e=(\)
   Fail: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444684)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1445618)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1450338, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1444684=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1430748=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (220) [system] _1416812=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (219) [user] classify_and_convert_charseq(c, [d, e], _1383158)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1462388, _1462390), once(user:catch(read_from_chars([c, d, e], _1383158), _1462364, fail)), '$restore_trace'(_1462388, _1462390))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1462388, _1462390))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1462364, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1469888)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1471746)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1485900)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _1489690)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _1469888=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1350210=[cde]
   Exit: (217) [system] [cde]=[cde]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (216) [system] _1232404=[abc, cde]
   Exit: (216) [system] [abc, cde]=[abc, cde]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [abc, cde])
   Call: (215) [system] _769764=['DisjunctionIntroduction', abc, cde]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, cde])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1503572)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1505430)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1513168)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1515872)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1530950)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1536520)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1538378)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1552532)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1536520)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1558102)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1572256)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1577826)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1579684)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1593838)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1577826)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1611480)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1612414)
   Exit: (219) [system] peek_char((0x558d99e6bec0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1617134, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1618066, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x558d99e6bec0), r)
   Exit: (219) [system] get_char((0x558d99e6bec0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1625416)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1626350)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1631070, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1632002, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1639352)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1640286)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1645006, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1645938, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1653288)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1654222)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1658942, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1659874, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1667224)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1668158)
   Exit: (223) [system] peek_char((0x558d99e6bec0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1672878, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1673810, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x558d99e6bec0), k)
   Exit: (223) [system] get_char((0x558d99e6bec0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1681160)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1682094)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1681160=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1667224=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (222) [system] _1653288=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (221) [system] _1639352=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (220) [system] _1625416=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (219) [system] _1611480=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1577826)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1705374, _1705376), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1577826), _1705350, fail)), '$restore_trace'(_1705374, _1705376))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1705374, _1705376))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1577826), _1705350, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1577826)
   Fail: (219) [system] atomic(_1577826)
   Call: (219) [system] atom_chars(_1577826, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1714750)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1716608)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1724346)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1727050)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1742128)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1747698)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1749556)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1763710)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1747698)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1769280)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1783434)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1789004)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1790862)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1805016)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1789004)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1822658)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1823592)
   Exit: (222) [system] peek_char((0x558d99e6bec0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1828312, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1829244, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x558d99e6bec0), m)
   Exit: (222) [system] get_char((0x558d99e6bec0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1836594)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1837528)
   Exit: (223) [system] peek_char((0x558d99e6bec0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1842248, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1843180, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x558d99e6bec0), p)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1850530)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1851464)
   Exit: (224) [system] peek_char((0x558d99e6bec0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1856184, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1857116, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x558d99e6bec0), l)
   Exit: (224) [system] get_char((0x558d99e6bec0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1864466)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1865400)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1870120, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1871052, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1878402)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1879336)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1884056, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1884988, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1892338)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1893272)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1897992, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1898924, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x558d99e6bec0), a)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1906274)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1907208)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1911928, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1912860, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1920210)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1921144)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1925864, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1926796, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1934146)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1935080)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1939800, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1940732, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1948082)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1949016)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1953736, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1954668, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1962018)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1962952)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1962018=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1948082=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _1934146=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _1920210=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _1906274=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _1892338=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (226) [system] _1878402=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (225) [system] _1864466=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1850530=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1836594=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1822658=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1789004)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2000202, _2000204), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1789004), _2000178, fail)), '$restore_trace'(_2000202, _2000204))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2000202, _2000204))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1789004), _2000178, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1789004)
   Fail: (222) [system] atomic(_1789004)
   Call: (222) [system] atom_chars(_1789004, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _2009578)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _2011436)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _2019174)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2021878)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2036956)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _2042526)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2044384)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _2058538)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _2042526)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2064108)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2078262)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _2083832)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2085690)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _8486)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _5354)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _26128)
   Call: (225) [system] peek_char((0x558d99e6bec0), _27062)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_31782, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_32714, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40064)
   Call: (226) [system] peek_char((0x558d99e6bec0), _40998)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_45718, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_46650, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _54000)
   Call: (227) [system] peek_char((0x558d99e6bec0), _54934)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_59654, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_60586, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _67936)
   Call: (228) [system] peek_char((0x558d99e6bec0), _68870)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_73590, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_74522, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _81872)
   Call: (229) [system] peek_char((0x558d99e6bec0), _82806)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_87526, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_88458, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _95808)
   Call: (230) [system] peek_char((0x558d99e6bec0), _96742)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_101462, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_102394, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _109744)
   Call: (231) [system] peek_char((0x558d99e6bec0), _110678)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _109744=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _95808=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _81872=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _67936=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _54000=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _40064=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (225) [system] _26128=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _5354)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_136752, _136754), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _5354), _136728, fail)), '$restore_trace'(_136752, _136754))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_136752, _136754))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _5354), _136728, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_5354)
   Fail: (225) [system] atomic(_5354)
   Call: (225) [system] atom_chars(_5354, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _146128)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _147986)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _155724)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _158428)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _173506)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _179076)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _180934)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _195088)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _179076)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212730)
   Call: (226) [system] peek_char((0x558d99e6bec0), _213664)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _212730=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _179076)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_222974, _222976), once(user:catch(read_from_chars(['A'], _179076), _222950, fail)), '$restore_trace'(_222974, _222976))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_222974, _222976))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _179076), _222950, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_179076)
   Fail: (226) [system] atomic(_179076)
   Call: (226) [system] atom_chars(_179076, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _232350)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _234208)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _241946)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _244650)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _259728)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _265298)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _267156)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _281310)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _265298)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _298952)
   Call: (227) [system] peek_char((0x558d99e6bec0), _299886)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_304606, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _298952=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _265298)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_311068, _311070), once(user:catch(read_from_chars(['B'], _265298), _311044, fail)), '$restore_trace'(_311068, _311070))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_311068, _311070))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _265298), _311044, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_265298)
   Fail: (227) [system] atomic(_265298)
   Call: (227) [system] atom_chars(_265298, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _320444)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _322302)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _336456)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _340246)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _320444=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _232350=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (223) [system] _146128=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (222) [system] _5348=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _354128)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _355986)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _363724)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _366428)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _381506)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _387076)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _388934)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _403088)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _387076)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _420730)
   Call: (224) [system] peek_char((0x558d99e6bec0), _421664)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_426384, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _420730=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _387076)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_432846, _432848), once(user:catch(read_from_chars(['C'], _387076), _432822, fail)), '$restore_trace'(_432846, _432848))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_432846, _432848))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _387076), _432822, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_387076)
   Fail: (224) [system] atomic(_387076)
   Call: (224) [system] atom_chars(_387076, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _442222)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _444080)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _458234)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _462024)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _442222=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _354128=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (220) [system] _5344=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5336=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _475906)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _477764)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _485502)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _488206)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _503284)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _508854)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _510712)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _524866)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _508854)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _530436)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _544590)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _550160)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _552018)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _566172)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _550160)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _583814)
   Call: (223) [system] peek_char((0x558d99e6bec0), _584748)
   Exit: (223) [system] peek_char((0x558d99e6bec0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_589468, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_590400, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x558d99e6bec0), m)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _597750)
   Call: (224) [system] peek_char((0x558d99e6bec0), _598684)
   Exit: (224) [system] peek_char((0x558d99e6bec0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_603404, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_604336, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x558d99e6bec0), p)
   Exit: (224) [system] get_char((0x558d99e6bec0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _611686)
   Call: (225) [system] peek_char((0x558d99e6bec0), _612620)
   Exit: (225) [system] peek_char((0x558d99e6bec0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_617340, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_618272, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x558d99e6bec0), l)
   Exit: (225) [system] get_char((0x558d99e6bec0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _625622)
   Call: (226) [system] peek_char((0x558d99e6bec0), _626556)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_631276, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_632208, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _639558)
   Call: (227) [system] peek_char((0x558d99e6bec0), _640492)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_645212, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_646144, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _653494)
   Call: (228) [system] peek_char((0x558d99e6bec0), _654428)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_659148, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_660080, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x558d99e6bec0), a)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _667430)
   Call: (229) [system] peek_char((0x558d99e6bec0), _668364)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_673084, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_674016, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _681366)
   Call: (230) [system] peek_char((0x558d99e6bec0), _682300)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_687020, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_687952, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _695302)
   Call: (231) [system] peek_char((0x558d99e6bec0), _696236)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_700956, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_701888, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _709238)
   Call: (232) [system] peek_char((0x558d99e6bec0), _710172)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_714892, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_715824, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _723174)
   Call: (233) [system] peek_char((0x558d99e6bec0), _724108)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _723174=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _709238=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _695302=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _681366=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _667430=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _653494=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (227) [system] _639558=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (226) [system] _625622=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (225) [system] _611686=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _597750=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _583814=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _550160)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_761358, _761360), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _550160), _761334, fail)), '$restore_trace'(_761358, _761360))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_761358, _761360))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _550160), _761334, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_550160)
   Fail: (223) [system] atomic(_550160)
   Call: (223) [system] atom_chars(_550160, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _770734)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _772592)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _780330)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _783034)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _798112)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _803682)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _805540)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _819694)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _803682)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _825264)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _839418)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _844988)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _846846)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _861000)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _844988)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _878642)
   Call: (226) [system] peek_char((0x558d99e6bec0), _879576)
   Exit: (226) [system] peek_char((0x558d99e6bec0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_884296, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_885228, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x558d99e6bec0), r)
   Exit: (226) [system] get_char((0x558d99e6bec0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892578)
   Call: (227) [system] peek_char((0x558d99e6bec0), _893512)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_898232, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_899164, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _906514)
   Call: (228) [system] peek_char((0x558d99e6bec0), _907448)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_912168, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_913100, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _920450)
   Call: (229) [system] peek_char((0x558d99e6bec0), _921384)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_926104, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_927036, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934386)
   Call: (230) [system] peek_char((0x558d99e6bec0), _935320)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_940040, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_940972, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _948322)
   Call: (231) [system] peek_char((0x558d99e6bec0), _949256)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _948322=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _934386=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _920450=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _906514=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _892578=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _878642=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _844988)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_972536, _972538), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _844988), _972512, fail)), '$restore_trace'(_972536, _972538))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_972536, _972538))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _844988), _972512, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_844988)
   Fail: (226) [system] atomic(_844988)
   Call: (226) [system] atom_chars(_844988, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _981912)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _983770)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _991508)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _994212)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1009290)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1014860)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1016718)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1030872)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1014860)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1048514)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1049448)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1048514=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('C', [], _1014860)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1058758, _1058760), once(user:catch(read_from_chars(['C'], _1014860), _1058734, fail)), '$restore_trace'(_1058758, _1058760))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1058758, _1058760))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1014860), _1058734, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1014860)
   Fail: (227) [system] atomic(_1014860)
   Call: (227) [system] atom_chars(_1014860, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1068134)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1069992)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1077730)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1080434)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1095512)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1101082)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1102940)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1117094)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1101082)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1134736)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1135670)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1140390, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1134736=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('D', [], _1101082)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1146852, _1146854), once(user:catch(read_from_chars(['D'], _1101082), _1146828, fail)), '$restore_trace'(_1146852, _1146854))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1146852, _1146854))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1101082), _1146828, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1101082)
   Fail: (228) [system] atomic(_1101082)
   Call: (228) [system] atom_chars(_1101082, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1156228)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1158086)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1172240)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _1176030)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _1156228=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1068134=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (224) [system] _981912=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (223) [system] _803682=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1189912)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1191770)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1199508)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1202212)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1217290)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (222) [system] 'E'=')'
   Fail: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1222860)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1224718)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1238872)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'E')
   Call: (223) [system] 'E'='('
   Fail: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Fail: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Fail: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Fail: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Fail: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Fail: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Fail: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1222860)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1256514)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1257448)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1262168, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1256514=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('E', [], _1222860)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1268630, _1268632), once(user:catch(read_from_chars(['E'], _1222860), _1268606, fail)), '$restore_trace'(_1268630, _1268632))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1268630, _1268632))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1222860), _1268606, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1222860)
   Fail: (225) [system] atomic(_1222860)
   Call: (225) [system] atom_chars(_1222860, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1278006)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1279864)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1294018)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _1297808)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _1278006=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1189912=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (221) [system] _770734=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _508854=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1311690)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1313548)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1327702)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _1331492)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _1311690=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _475906=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5332=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (216) [system] _5324=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1345374)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1347232)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1361386)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1365176)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1345374=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _5320=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5296=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (212) [system] _5288=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1379058)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1380916)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x558d99e6bec0), _1390510)
   Exit: (212) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1393214)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (213) [system] '\t'=(;)
   Fail: (213) [system] '\t'=(;)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x558d99e6bec0), _1400952)
   Exit: (213) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1403656)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x558d99e6bec0), _1411394)
   Exit: (214) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1414098)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1421836)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1424540)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1442390)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1447960)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1449818)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1463972)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1447960)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1469542)
   Exit: (214) [system] peek_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1483696)
   Exit: (213) [system] peek_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1489266)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1491124)
   Exit: (215) [system] peek_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1505278)
   Exit: (214) [system] get_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), :, _1489266)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1522920)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1523854)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1522920=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq(:, [], _1489266)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1533164, _1533166), once(user:catch(read_from_chars([:], _1489266), _1533140, fail)), '$restore_trace'(_1533164, _1533166))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1533164, _1533166))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1533140, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1540664)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1542522)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1550260)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1552964)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1568042)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1573612)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1575470)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1589624)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1573612)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1595194)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1609348)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1614918)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1616776)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1630930)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1614918)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1648572)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1649506)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1654226, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1655158, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1662508)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1663442)
   Exit: (220) [system] peek_char((0x558d99e6bec0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_1668162, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_1669094, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x558d99e6bec0), s)
   Exit: (220) [system] get_char((0x558d99e6bec0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1676444)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1677378)
   Exit: (221) [system] peek_char((0x558d99e6bec0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_1682098, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_1683030, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x558d99e6bec0), j)
   Exit: (221) [system] get_char((0x558d99e6bec0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1690380)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1691314)
   Exit: (222) [system] peek_char((0x558d99e6bec0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1696034, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1696966, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x558d99e6bec0), u)
   Exit: (222) [system] get_char((0x558d99e6bec0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1704316)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1705250)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1709970, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1710902, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1718252)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1719186)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1723906, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1724838, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1732188)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1733122)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1737842, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1738774, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1746124)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1747058)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1751778, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1752710, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1760060)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1760994)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1765714, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1766646, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1773996)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1774930)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1779650, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1780582, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1787932)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1788866)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_1793586, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_1794518, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1801868)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1802802)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1807522, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1808454, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1815804)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1816738)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1821458, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1822390, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1829740)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1830674)
   Exit: (232) [system] peek_char((0x558d99e6bec0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1835394, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_1836326, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x558d99e6bec0), r)
   Exit: (232) [system] get_char((0x558d99e6bec0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1843676)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1844610)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1849330, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1850262, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1857612)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1858546)
   Exit: (234) [system] peek_char((0x558d99e6bec0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1863266, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_1864198, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x558d99e6bec0), d)
   Exit: (234) [system] get_char((0x558d99e6bec0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1871548)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1872482)
   Exit: (235) [system] peek_char((0x558d99e6bec0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1877202, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1878134, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x558d99e6bec0), u)
   Exit: (235) [system] get_char((0x558d99e6bec0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1885484)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1886418)
   Exit: (236) [system] peek_char((0x558d99e6bec0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1891138, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1892070, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x558d99e6bec0), c)
   Exit: (236) [system] get_char((0x558d99e6bec0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899420)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1900354)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1905074, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1906006, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1913356)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1914290)
   Exit: (238) [system] peek_char((0x558d99e6bec0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1919010, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1919942, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x558d99e6bec0), i)
   Exit: (238) [system] get_char((0x558d99e6bec0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1927292)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1928226)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1932946, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1933878, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1941228)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1942162)
   Exit: (240) [system] peek_char((0x558d99e6bec0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1946882, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1947814, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x558d99e6bec0), n)
   Exit: (240) [system] get_char((0x558d99e6bec0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1955164)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1956098)
   Exit: (241) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1955164=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (240) [system] _1941228=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (239) [system] _1927292=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (238) [system] _1913356=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (237) [system] _1899420=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (236) [system] _1885484=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (235) [system] _1871548=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (234) [system] _1857612=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (233) [system] _1843676=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _1829740=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1815804=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1801868=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1787932=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1773996=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1760060=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1746124=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1732188=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1718252=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1704316=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1690380=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1676444=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1662508=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1648572=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1614918)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_2026876, _2026878), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1614918), _2026852, fail)), '$restore_trace'(_2026876, _2026878))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_2026876, _2026878))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1614918), _2026852, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1614918)
   Fail: (219) [system] atomic(_1614918)
   Call: (219) [system] atom_chars(_1614918, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _2036252)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2038110)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _2045848)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2048552)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2063630)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _2069200)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2071058)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _2085212)
   Exit: (218) [system] get_char((0x558d99e6bec0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), a, _5444)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _11550)
   Call: (220) [system] peek_char((0x558d99e6bec0), _12484)
   Exit: (220) [system] peek_char((0x558d99e6bec0), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_17204, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_18136, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x558d99e6bec0), b)
   Exit: (220) [system] get_char((0x558d99e6bec0), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _25486)
   Call: (221) [system] peek_char((0x558d99e6bec0), _26420)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_31140, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_32072, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _39422)
   Call: (222) [system] peek_char((0x558d99e6bec0), _40356)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _39422=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _25486=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (220) [system] _11550=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (219) [user] classify_and_convert_charseq(a, [b, c], _5444)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_55254, _55256), once(user:catch(read_from_chars([a, b, c], _5444), _55230, fail)), '$restore_trace'(_55254, _55256))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_55254, _55256))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _55230, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _62754)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _64612)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _72350)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _75054)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _90132)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _95702)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _97560)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _111714)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), a, _95702)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _129356)
   Call: (221) [system] peek_char((0x558d99e6bec0), _130290)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_135010, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _129356=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq(a, [], _95702)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_141472, _141474), once(user:catch(read_from_chars([a], _95702), _141448, fail)), '$restore_trace'(_141472, _141474))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_141472, _141474))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _141448, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(a)
   Exit: (221) [system] atomic(a)
^  Exit: (220) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _148972)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _150830)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _164984)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _168774)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _148972=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _62754=[a]
   Exit: (218) [system] [a]=[a]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (217) [system] _5440=[abc, a]
   Exit: (217) [system] [abc, a]=[abc, a]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (216) [system] _5432=['DisjunctionIntroduction', abc, a]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _182656)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _184514)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _192252)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _194956)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _210034)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _215604)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _217462)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _231616)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _215604)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _237186)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _251340)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _256910)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _258768)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _272922)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _256910)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _290564)
   Call: (220) [system] peek_char((0x558d99e6bec0), _291498)
   Exit: (220) [system] peek_char((0x558d99e6bec0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_296218, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_297150, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x558d99e6bec0), r)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _304500)
   Call: (221) [system] peek_char((0x558d99e6bec0), _305434)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_310154, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_311086, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _318436)
   Call: (222) [system] peek_char((0x558d99e6bec0), _319370)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_324090, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_325022, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _332372)
   Call: (223) [system] peek_char((0x558d99e6bec0), _333306)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_338026, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_338958, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _346308)
   Call: (224) [system] peek_char((0x558d99e6bec0), _347242)
   Exit: (224) [system] peek_char((0x558d99e6bec0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_351962, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_352894, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x558d99e6bec0), k)
   Exit: (224) [system] get_char((0x558d99e6bec0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _360244)
   Call: (225) [system] peek_char((0x558d99e6bec0), _361178)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _360244=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _346308=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (223) [system] _332372=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (222) [system] _318436=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (221) [system] _304500=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (220) [system] _290564=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _256910)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_384458, _384460), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _256910), _384434, fail)), '$restore_trace'(_384458, _384460))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_384458, _384460))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _256910), _384434, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_256910)
   Fail: (220) [system] atomic(_256910)
   Call: (220) [system] atom_chars(_256910, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _393834)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _395692)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _403430)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _406134)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _421212)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _426782)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _428640)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _442794)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _426782)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _448364)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _462518)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _468088)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _469946)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _484100)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _468088)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _501742)
   Call: (223) [system] peek_char((0x558d99e6bec0), _502676)
   Exit: (223) [system] peek_char((0x558d99e6bec0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_507396, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_508328, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x558d99e6bec0), m)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _515678)
   Call: (224) [system] peek_char((0x558d99e6bec0), _516612)
   Exit: (224) [system] peek_char((0x558d99e6bec0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_521332, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_522264, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x558d99e6bec0), p)
   Exit: (224) [system] get_char((0x558d99e6bec0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _529614)
   Call: (225) [system] peek_char((0x558d99e6bec0), _530548)
   Exit: (225) [system] peek_char((0x558d99e6bec0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_535268, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_536200, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x558d99e6bec0), l)
   Exit: (225) [system] get_char((0x558d99e6bec0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _543550)
   Call: (226) [system] peek_char((0x558d99e6bec0), _544484)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_549204, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_550136, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _557486)
   Call: (227) [system] peek_char((0x558d99e6bec0), _558420)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_563140, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_564072, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _571422)
   Call: (228) [system] peek_char((0x558d99e6bec0), _572356)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_577076, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_578008, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x558d99e6bec0), a)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _585358)
   Call: (229) [system] peek_char((0x558d99e6bec0), _586292)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_591012, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_591944, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _599294)
   Call: (230) [system] peek_char((0x558d99e6bec0), _600228)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_604948, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_605880, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _613230)
   Call: (231) [system] peek_char((0x558d99e6bec0), _614164)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_618884, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_619816, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _627166)
   Call: (232) [system] peek_char((0x558d99e6bec0), _628100)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_632820, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_633752, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _641102)
   Call: (233) [system] peek_char((0x558d99e6bec0), _642036)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _641102=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _627166=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _613230=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _599294=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _585358=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _571422=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (227) [system] _557486=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (226) [system] _543550=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (225) [system] _529614=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _515678=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _501742=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _468088)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_679286, _679288), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _468088), _679262, fail)), '$restore_trace'(_679286, _679288))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_679286, _679288))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _468088), _679262, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_468088)
   Fail: (223) [system] atomic(_468088)
   Call: (223) [system] atom_chars(_468088, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _688662)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _690520)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _698258)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _700962)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _716040)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _721610)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _723468)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _737622)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _721610)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _743192)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _757346)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _762916)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _764774)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _778928)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _762916)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _796570)
   Call: (226) [system] peek_char((0x558d99e6bec0), _797504)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_802224, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_803156, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _810506)
   Call: (227) [system] peek_char((0x558d99e6bec0), _811440)
   Exit: (227) [system] peek_char((0x558d99e6bec0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_816160, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_817092, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x558d99e6bec0), d)
   Exit: (227) [system] get_char((0x558d99e6bec0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _824442)
   Call: (228) [system] peek_char((0x558d99e6bec0), _825376)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_830096, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_831028, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _838378)
   Call: (229) [system] peek_char((0x558d99e6bec0), _839312)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_844032, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_844964, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _852314)
   Call: (230) [system] peek_char((0x558d99e6bec0), _853248)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_857968, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_858900, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _866250)
   Call: (231) [system] peek_char((0x558d99e6bec0), _867184)
   Exit: (231) [system] peek_char((0x558d99e6bec0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_871904, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_872836, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x558d99e6bec0), k)
   Exit: (231) [system] get_char((0x558d99e6bec0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _880186)
   Call: (232) [system] peek_char((0x558d99e6bec0), _881120)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _880186=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _866250=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (230) [system] _852314=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (229) [system] _838378=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (228) [system] _824442=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (227) [system] _810506=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (226) [system] _796570=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _762916)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_907194, _907196), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _762916), _907170, fail)), '$restore_trace'(_907194, _907196))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_907194, _907196))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _762916), _907170, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_762916)
   Fail: (226) [system] atomic(_762916)
   Call: (226) [system] atom_chars(_762916, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _916570)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _918428)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _926166)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _928870)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _943948)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _949518)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _951376)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _965530)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _949518)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _983172)
   Call: (227) [system] peek_char((0x558d99e6bec0), _984106)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _983172=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _949518)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_993416, _993418), once(user:catch(read_from_chars(['A'], _949518), _993392, fail)), '$restore_trace'(_993416, _993418))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_993416, _993418))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _949518), _993392, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_949518)
   Fail: (227) [system] atomic(_949518)
   Call: (227) [system] atom_chars(_949518, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1002792)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1004650)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1012388)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1015092)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1030170)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1035740)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1037598)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1051752)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1035740)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1069394)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1070328)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1075048, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1069394=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('B', [], _1035740)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1081510, _1081512), once(user:catch(read_from_chars(['B'], _1035740), _1081486, fail)), '$restore_trace'(_1081510, _1081512))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1081510, _1081512))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1035740), _1081486, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1035740)
   Fail: (228) [system] atomic(_1035740)
   Call: (228) [system] atom_chars(_1035740, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1090886)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1092744)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1106898)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _1110688)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _1090886=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1002792=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (224) [system] _916570=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (223) [system] _721610=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1124570)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1126428)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1134166)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1136870)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1151948)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1157518)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1159376)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1173530)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1157518)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1191172)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1192106)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1196826, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1191172=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('C', [], _1157518)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1203288, _1203290), once(user:catch(read_from_chars(['C'], _1157518), _1203264, fail)), '$restore_trace'(_1203288, _1203290))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1203288, _1203290))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1157518), _1203264, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1157518)
   Fail: (225) [system] atomic(_1157518)
   Call: (225) [system] atom_chars(_1157518, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1212664)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1214522)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1228676)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _1232466)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _1212664=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1124570=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (221) [system] _688662=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _426782=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1246348)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1248206)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1255944)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1258648)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1273726)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1279296)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1281154)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1295308)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1279296)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1312950)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1313884)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1318604, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1312950=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _1279296)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1325066, _1325068), once(user:catch(read_from_chars(['A'], _1279296), _1325042, fail)), '$restore_trace'(_1325066, _1325068))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1325066, _1325068))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1279296), _1325042, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1279296)
   Fail: (222) [system] atomic(_1279296)
   Call: (222) [system] atom_chars(_1279296, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1334442)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1336300)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1350454)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _1354244)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _1334442=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _1246348=['A']
   Exit: (219) [system] ['A']=['A']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (218) [system] _393834=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (217) [system] _215604=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1368126)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1369984)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1384138)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _1387928)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _1368126=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _182656=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (214) [system] _5428=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (213) [system] _5420=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1401810)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1403668)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x558d99e6bec0), _1413262)
   Exit: (213) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1415966)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (214) [system] '\t'=(;)
   Fail: (214) [system] '\t'=(;)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x558d99e6bec0), _1423704)
   Exit: (214) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1426408)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x558d99e6bec0), _1434146)
   Exit: (215) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1436850)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1444588)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1447292)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1465142)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1470712)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1472570)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1486724)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1470712)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1492294)
   Exit: (215) [system] peek_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1506448)
   Exit: (214) [system] peek_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1512018)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1513876)
   Exit: (216) [system] peek_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1528030)
   Exit: (215) [system] get_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), :, _1512018)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1545672)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1546606)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1545672=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq(:, [], _1512018)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1555916, _1555918), once(user:catch(read_from_chars([:], _1512018), _1555892, fail)), '$restore_trace'(_1555916, _1555918))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1555916, _1555918))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1555892, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1563416)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1565274)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1573012)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1575716)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1590794)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1596364)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1598222)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1612376)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1596364)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1617946)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1632100)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1637670)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1639528)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1653682)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1637670)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1671324)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1672258)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1676978, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1677910, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1685260)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1686194)
   Exit: (221) [system] peek_char((0x558d99e6bec0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1690914, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1691846, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x558d99e6bec0), s)
   Exit: (221) [system] get_char((0x558d99e6bec0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1699196)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1700130)
   Exit: (222) [system] peek_char((0x558d99e6bec0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1704850, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1705782, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x558d99e6bec0), j)
   Exit: (222) [system] get_char((0x558d99e6bec0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1713132)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1714066)
   Exit: (223) [system] peek_char((0x558d99e6bec0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1718786, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1719718, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x558d99e6bec0), u)
   Exit: (223) [system] get_char((0x558d99e6bec0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1727068)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1728002)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1732722, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1733654, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1741004)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1741938)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1746658, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1747590, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1754940)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1755874)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1760594, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1761526, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1768876)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1769810)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1774530, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1775462, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1782812)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1783746)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1788466, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1789398, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1796748)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1797682)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1802402, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1803334, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1810684)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1811618)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1816338, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_1817270, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (230) [system] get_char((0x558d99e6bec0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1824620)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1825554)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1830274, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1831206, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1838556)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1839490)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1844210, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1845142, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1852492)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1853426)
   Exit: (233) [system] peek_char((0x558d99e6bec0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1858146, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1859078, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x558d99e6bec0), r)
   Exit: (233) [system] get_char((0x558d99e6bec0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1866428)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1867362)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1872082, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1873014, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1880364)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1881298)
   Exit: (235) [system] peek_char((0x558d99e6bec0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1886018, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_1886950, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x558d99e6bec0), d)
   Exit: (235) [system] get_char((0x558d99e6bec0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1894300)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1895234)
   Exit: (236) [system] peek_char((0x558d99e6bec0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1899954, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_1900886, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x558d99e6bec0), u)
   Exit: (236) [system] get_char((0x558d99e6bec0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1908236)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1909170)
   Exit: (237) [system] peek_char((0x558d99e6bec0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1913890, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1914822, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x558d99e6bec0), c)
   Exit: (237) [system] get_char((0x558d99e6bec0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1922172)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1923106)
   Exit: (238) [system] peek_char((0x558d99e6bec0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1927826, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1928758, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x558d99e6bec0), t)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1936108)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1937042)
   Exit: (239) [system] peek_char((0x558d99e6bec0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1941762, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1942694, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x558d99e6bec0), i)
   Exit: (239) [system] get_char((0x558d99e6bec0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1950044)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1950978)
   Exit: (240) [system] peek_char((0x558d99e6bec0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1955698, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1956630, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x558d99e6bec0), o)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1963980)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1964914)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1969634, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1970566, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1977916)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1978850)
   Exit: (242) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1977916=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (241) [system] _1963980=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (240) [system] _1950044=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (239) [system] _1936108=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (238) [system] _1922172=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (237) [system] _1908236=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (236) [system] _1894300=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (235) [system] _1880364=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (234) [system] _1866428=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _1852492=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1838556=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1824620=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1810684=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1796748=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1782812=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1768876=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1754940=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1741004=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1727068=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1713132=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1699196=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1685260=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1671324=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1637670)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_2049628, _2049630), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1637670), _2049604, fail)), '$restore_trace'(_2049628, _2049630))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_2049628, _2049630))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1637670), _2049604, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1637670)
   Fail: (220) [system] atomic(_1637670)
   Call: (220) [system] atom_chars(_1637670, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _2059004)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2060862)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _2068600)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2071304)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2086382)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _2091952)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2093810)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _16694)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), a, _5540)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _34336)
   Call: (221) [system] peek_char((0x558d99e6bec0), _35270)
   Exit: (221) [system] peek_char((0x558d99e6bec0), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_39990, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_40922, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x558d99e6bec0), b)
   Exit: (221) [system] get_char((0x558d99e6bec0), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _48272)
   Call: (222) [system] peek_char((0x558d99e6bec0), _49206)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_53926, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_54858, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _62208)
   Call: (223) [system] peek_char((0x558d99e6bec0), _63142)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _62208=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _48272=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (221) [system] _34336=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (220) [user] classify_and_convert_charseq(a, [b, c], _5540)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_78040, _78042), once(user:catch(read_from_chars([a, b, c], _5540), _78016, fail)), '$restore_trace'(_78040, _78042))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_78040, _78042))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _78016, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _85540)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _87398)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _95136)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _97840)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _112918)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _118488)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _120346)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _134500)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, _118488)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _152142)
   Call: (222) [system] peek_char((0x558d99e6bec0), _153076)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_157796, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _152142=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq(a, [], _118488)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_164258, _164260), once(user:catch(read_from_chars([a], _118488), _164234, fail)), '$restore_trace'(_164258, _164260))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_164258, _164260))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _164234, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _171758)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _173616)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _187770)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _191560)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _171758=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _85540=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (218) [system] _5536=[abc, a]
   Exit: (218) [system] [abc, a]=[abc, a]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (217) [system] _5528=['DisjunctionIntroduction', abc, a]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _205442)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _207300)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _215038)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _217742)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _232820)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _238390)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _240248)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _254402)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _238390)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _259972)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _274126)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _279696)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _281554)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _295708)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _279696)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _313350)
   Call: (221) [system] peek_char((0x558d99e6bec0), _314284)
   Exit: (221) [system] peek_char((0x558d99e6bec0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_319004, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_319936, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x558d99e6bec0), r)
   Exit: (221) [system] get_char((0x558d99e6bec0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _327286)
   Call: (222) [system] peek_char((0x558d99e6bec0), _328220)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_332940, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_333872, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _341222)
   Call: (223) [system] peek_char((0x558d99e6bec0), _342156)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_346876, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_347808, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _355158)
   Call: (224) [system] peek_char((0x558d99e6bec0), _356092)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_360812, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_361744, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _369094)
   Call: (225) [system] peek_char((0x558d99e6bec0), _370028)
   Exit: (225) [system] peek_char((0x558d99e6bec0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_374748, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_375680, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x558d99e6bec0), k)
   Exit: (225) [system] get_char((0x558d99e6bec0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _383030)
   Call: (226) [system] peek_char((0x558d99e6bec0), _383964)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _383030=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _369094=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (224) [system] _355158=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (223) [system] _341222=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (222) [system] _327286=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (221) [system] _313350=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _279696)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_407244, _407246), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _279696), _407220, fail)), '$restore_trace'(_407244, _407246))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_407244, _407246))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _279696), _407220, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_279696)
   Fail: (221) [system] atomic(_279696)
   Call: (221) [system] atom_chars(_279696, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _416620)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _418478)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _426216)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _428920)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _443998)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _449568)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _451426)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _465580)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _449568)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _471150)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _485304)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _490874)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _492732)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _506886)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _490874)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _524528)
   Call: (224) [system] peek_char((0x558d99e6bec0), _525462)
   Exit: (224) [system] peek_char((0x558d99e6bec0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_530182, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_531114, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x558d99e6bec0), m)
   Exit: (224) [system] get_char((0x558d99e6bec0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _538464)
   Call: (225) [system] peek_char((0x558d99e6bec0), _539398)
   Exit: (225) [system] peek_char((0x558d99e6bec0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_544118, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_545050, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x558d99e6bec0), p)
   Exit: (225) [system] get_char((0x558d99e6bec0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _552400)
   Call: (226) [system] peek_char((0x558d99e6bec0), _553334)
   Exit: (226) [system] peek_char((0x558d99e6bec0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_558054, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_558986, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x558d99e6bec0), l)
   Exit: (226) [system] get_char((0x558d99e6bec0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _566336)
   Call: (227) [system] peek_char((0x558d99e6bec0), _567270)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_571990, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_572922, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _580272)
   Call: (228) [system] peek_char((0x558d99e6bec0), _581206)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_585926, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_586858, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _594208)
   Call: (229) [system] peek_char((0x558d99e6bec0), _595142)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_599862, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_600794, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x558d99e6bec0), a)
   Exit: (229) [system] get_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _608144)
   Call: (230) [system] peek_char((0x558d99e6bec0), _609078)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_613798, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_614730, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _622080)
   Call: (231) [system] peek_char((0x558d99e6bec0), _623014)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_627734, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_628666, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _636016)
   Call: (232) [system] peek_char((0x558d99e6bec0), _636950)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_641670, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_642602, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _649952)
   Call: (233) [system] peek_char((0x558d99e6bec0), _650886)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_655606, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_656538, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _663888)
   Call: (234) [system] peek_char((0x558d99e6bec0), _664822)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _663888=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _649952=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _636016=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _622080=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _608144=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _594208=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (228) [system] _580272=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (227) [system] _566336=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (226) [system] _552400=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _538464=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _524528=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _490874)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_702072, _702074), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _490874), _702048, fail)), '$restore_trace'(_702072, _702074))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_702072, _702074))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _490874), _702048, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_490874)
   Fail: (224) [system] atomic(_490874)
   Call: (224) [system] atom_chars(_490874, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _711448)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _713306)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _721044)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _723748)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _738826)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _744396)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _746254)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _760408)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _744396)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _765978)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _780132)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _785702)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _787560)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _801714)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _785702)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _819356)
   Call: (227) [system] peek_char((0x558d99e6bec0), _820290)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_825010, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_825942, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _833292)
   Call: (228) [system] peek_char((0x558d99e6bec0), _834226)
   Exit: (228) [system] peek_char((0x558d99e6bec0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_838946, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_839878, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x558d99e6bec0), d)
   Exit: (228) [system] get_char((0x558d99e6bec0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _847228)
   Call: (229) [system] peek_char((0x558d99e6bec0), _848162)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_852882, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_853814, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861164)
   Call: (230) [system] peek_char((0x558d99e6bec0), _862098)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_866818, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_867750, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875100)
   Call: (231) [system] peek_char((0x558d99e6bec0), _876034)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_880754, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_881686, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889036)
   Call: (232) [system] peek_char((0x558d99e6bec0), _889970)
   Exit: (232) [system] peek_char((0x558d99e6bec0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_894690, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_895622, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x558d99e6bec0), k)
   Exit: (232) [system] get_char((0x558d99e6bec0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _902972)
   Call: (233) [system] peek_char((0x558d99e6bec0), _903906)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _902972=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _889036=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (231) [system] _875100=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (230) [system] _861164=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (229) [system] _847228=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (228) [system] _833292=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (227) [system] _819356=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _785702)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_929980, _929982), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _785702), _929956, fail)), '$restore_trace'(_929980, _929982))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_929980, _929982))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _785702), _929956, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_785702)
   Fail: (227) [system] atomic(_785702)
   Call: (227) [system] atom_chars(_785702, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _939356)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _941214)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _948952)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _951656)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _966734)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _972304)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _974162)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _988316)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _972304)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1005958)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1006892)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1005958=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('A', [], _972304)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1016202, _1016204), once(user:catch(read_from_chars(['A'], _972304), _1016178, fail)), '$restore_trace'(_1016202, _1016204))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1016202, _1016204))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _972304), _1016178, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_972304)
   Fail: (228) [system] atomic(_972304)
   Call: (228) [system] atom_chars(_972304, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1025578)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1027436)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1035174)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1037878)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1052956)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1058526)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1060384)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1074538)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1058526)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1092180)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1093114)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1097834, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1092180=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('B', [], _1058526)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1104296, _1104298), once(user:catch(read_from_chars(['B'], _1058526), _1104272, fail)), '$restore_trace'(_1104296, _1104298))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1104296, _1104298))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1058526), _1104272, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1058526)
   Fail: (229) [system] atomic(_1058526)
   Call: (229) [system] atom_chars(_1058526, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1113672)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1115530)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1129684)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _1133474)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _1113672=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1025578=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (225) [system] _939356=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (224) [system] _744396=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1147356)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1149214)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1156952)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1159656)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1174734)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1180304)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1182162)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1196316)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1180304)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1213958)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1214892)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1219612, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1213958=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('C', [], _1180304)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1226074, _1226076), once(user:catch(read_from_chars(['C'], _1180304), _1226050, fail)), '$restore_trace'(_1226074, _1226076))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1226074, _1226076))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1180304), _1226050, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1180304)
   Fail: (226) [system] atomic(_1180304)
   Call: (226) [system] atom_chars(_1180304, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1235450)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1237308)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1251462)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _1255252)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _1235450=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1147356=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (222) [system] _711448=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _449568=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1269134)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1270992)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1278730)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1281434)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1296512)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1302082)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1303940)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1318094)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1302082)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1335736)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1336670)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1341390, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1335736=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _1302082)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1347852, _1347854), once(user:catch(read_from_chars(['B'], _1302082), _1347828, fail)), '$restore_trace'(_1347852, _1347854))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1347852, _1347854))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1302082), _1347828, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1302082)
   Fail: (223) [system] atomic(_1302082)
   Call: (223) [system] atom_chars(_1302082, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1357228)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1359086)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1373240)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _1377030)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _1357228=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1269134=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (219) [system] _416620=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (218) [system] _238390=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1390912)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1392770)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1406924)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1410714)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _1390912=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _205442=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (215) [system] _5524=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (214) [system] _5516=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1424596)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1426454)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x558d99e6bec0), _1436048)
   Exit: (214) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1438752)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (215) [system] '\t'=(;)
   Fail: (215) [system] '\t'=(;)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x558d99e6bec0), _1446490)
   Exit: (215) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1449194)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x558d99e6bec0), _1456932)
   Exit: (216) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1459636)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1467374)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1470078)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1487928)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1493498)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1495356)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1509510)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1493498)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1515080)
   Exit: (216) [system] peek_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1529234)
   Exit: (215) [system] peek_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1534804)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1536662)
   Exit: (217) [system] peek_char((0x558d99e6bec0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1550816)
   Exit: (216) [system] get_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), :, _1534804)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1568458)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1569392)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1568458=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq(:, [], _1534804)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1578702, _1578704), once(user:catch(read_from_chars([:], _1534804), _1578678, fail)), '$restore_trace'(_1578702, _1578704))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1578702, _1578704))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1578678, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1586202)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1588060)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1595798)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1598502)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1613580)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1619150)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1621008)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1635162)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1619150)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1640732)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1654886)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1660456)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1662314)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1676468)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1660456)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1694110)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1695044)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1699764, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1700696, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1708046)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1708980)
   Exit: (222) [system] peek_char((0x558d99e6bec0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1713700, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_1714632, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x558d99e6bec0), s)
   Exit: (222) [system] get_char((0x558d99e6bec0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1721982)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1722916)
   Exit: (223) [system] peek_char((0x558d99e6bec0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_1727636, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_1728568, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x558d99e6bec0), j)
   Exit: (223) [system] get_char((0x558d99e6bec0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1735918)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1736852)
   Exit: (224) [system] peek_char((0x558d99e6bec0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1741572, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1742504, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x558d99e6bec0), u)
   Exit: (224) [system] get_char((0x558d99e6bec0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1749854)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1750788)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1755508, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1756440, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1763790)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1764724)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1769444, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1770376, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1777726)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1778660)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1783380, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1784312, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1791662)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1792596)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1797316, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1798248, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1805598)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1806532)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1811252, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1812184, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1819534)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1820468)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1825188, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1826120, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1833470)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1834404)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1839124, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_1840056, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1847406)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1848340)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1853060, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1853992, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1861342)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1862276)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1866996, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1867928, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1875278)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1876212)
   Exit: (234) [system] peek_char((0x558d99e6bec0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1880932, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1881864, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x558d99e6bec0), r)
   Exit: (234) [system] get_char((0x558d99e6bec0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1889214)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1890148)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1894868, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1895800, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1903150)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1904084)
   Exit: (236) [system] peek_char((0x558d99e6bec0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1908804, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_1909736, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x558d99e6bec0), d)
   Exit: (236) [system] get_char((0x558d99e6bec0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1917086)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1918020)
   Exit: (237) [system] peek_char((0x558d99e6bec0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1922740, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_1923672, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x558d99e6bec0), u)
   Exit: (237) [system] get_char((0x558d99e6bec0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1931022)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1931956)
   Exit: (238) [system] peek_char((0x558d99e6bec0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1936676, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_1937608, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x558d99e6bec0), c)
   Exit: (238) [system] get_char((0x558d99e6bec0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1944958)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1945892)
   Exit: (239) [system] peek_char((0x558d99e6bec0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1950612, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1951544, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x558d99e6bec0), t)
   Exit: (239) [system] get_char((0x558d99e6bec0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1958894)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1959828)
   Exit: (240) [system] peek_char((0x558d99e6bec0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1964548, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1965480, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x558d99e6bec0), i)
   Exit: (240) [system] get_char((0x558d99e6bec0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1972830)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1973764)
   Exit: (241) [system] peek_char((0x558d99e6bec0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1978484, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1979416, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x558d99e6bec0), o)
   Exit: (241) [system] get_char((0x558d99e6bec0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1986766)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1987700)
   Exit: (242) [system] peek_char((0x558d99e6bec0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1992420, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1993352, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x558d99e6bec0), n)
   Exit: (242) [system] get_char((0x558d99e6bec0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2000702)
   Call: (243) [system] peek_char((0x558d99e6bec0), _2001636)
   Exit: (243) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _2000702=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (242) [system] _1986766=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (241) [system] _1972830=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (240) [system] _1958894=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (239) [system] _1944958=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (238) [system] _1931022=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (237) [system] _1917086=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (236) [system] _1903150=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (235) [system] _1889214=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1875278=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1861342=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1847406=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1833470=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1819534=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1805598=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1791662=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1777726=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1763790=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1749854=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1735918=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1721982=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1708046=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1694110=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1660456)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_2072414, _2072416), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1660456), _2072390, fail)), '$restore_trace'(_2072414, _2072416))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_2072414, _2072416))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1660456), _2072390, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1660456)
   Fail: (221) [system] atomic(_1660456)
   Call: (221) [system] atom_chars(_1660456, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _2081790)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2083648)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _2091386)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _2094090)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(;)
   Fail: (221) [system] c=(;)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Fail: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
   Fail: (222) [system] char_type(c, cntrl)
^  Fail: (221) [user] is_like_space(c)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _17878)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
   Call: (219) [system] c=')'
   Fail: (219) [system] c=')'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _23448)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _25306)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(;)
   Fail: (221) [system] c=(;)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Fail: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Fail: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
   Fail: (222) [system] char_type(c, cntrl)
^  Fail: (221) [user] is_like_space(c)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _39460)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c='('
   Fail: (220) [system] c='('
   Call: (220) [system] c='['
   Fail: (220) [system] c='['
   Call: (220) [system] c='{'
   Fail: (220) [system] c='{'
   Call: (220) [system] c='"'
   Fail: (220) [system] c='"'
   Call: (220) [system] c=!
   Fail: (220) [system] c=!
   Call: (220) [system] c='\''
   Fail: (220) [system] c='\''
   Call: (220) [system] c='`'
   Fail: (220) [system] c='`'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), c, _23448)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _57102)
   Call: (222) [system] peek_char((0x558d99e6bec0), _58036)
   Exit: (222) [system] peek_char((0x558d99e6bec0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_62756, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_63688, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x558d99e6bec0), d)
   Exit: (222) [system] get_char((0x558d99e6bec0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _71038)
   Call: (223) [system] peek_char((0x558d99e6bec0), _71972)
   Exit: (223) [system] peek_char((0x558d99e6bec0), e)
^  Call: (223) [user] is_delimiter(e)
   Call: (224) [system] char_type(e, space)
   Fail: (224) [system] char_type(e, space)
   Call: (224) [system] arg(_76692, v('(', ')', end_of_file), e)
   Fail: (224) [system] arg(_77624, v('(', ')', end_of_file), e)
^  Fail: (223) [user] is_delimiter(e)
   Call: (223) [system] ')'==e
   Fail: (223) [system] ')'==e
   Call: (223) [system] get_char((0x558d99e6bec0), e)
   Exit: (223) [system] get_char((0x558d99e6bec0), e)
   Call: (223) [system] e=(\)
   Fail: (223) [system] e=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _84974)
   Call: (224) [system] peek_char((0x558d99e6bec0), _85908)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _84974=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _71038=[e]
   Exit: (223) [system] [e]=[e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (222) [system] _57102=[d, e]
   Exit: (222) [system] [d, e]=[d, e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (221) [user] classify_and_convert_charseq(c, [d, e], _23448)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_100806, _100808), once(user:catch(read_from_chars([c, d, e], _23448), _100782, fail)), '$restore_trace'(_100806, _100808))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_100806, _100808))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _100782, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _108306)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _110164)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _117902)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _120606)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _135684)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _141254)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _143112)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _157266)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), a, _141254)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _174908)
   Call: (223) [system] peek_char((0x558d99e6bec0), _175842)
   Exit: (223) [system] peek_char((0x558d99e6bec0), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_180562, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_181494, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x558d99e6bec0), b)
   Exit: (223) [system] get_char((0x558d99e6bec0), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _188844)
   Call: (224) [system] peek_char((0x558d99e6bec0), _189778)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_194498, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_195430, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _202780)
   Call: (225) [system] peek_char((0x558d99e6bec0), _203714)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_208434, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _202780=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _188844=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (223) [system] _174908=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (222) [user] classify_and_convert_charseq(a, [b, c], _141254)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_220484, _220486), once(user:catch(read_from_chars([a, b, c], _141254), _220460, fail)), '$restore_trace'(_220484, _220486))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_220484, _220486))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _220460, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _227984)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _229842)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _243996)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _247786)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _227984=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _108306=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (219) [system] _5632=[cde, abc]
   Exit: (219) [system] [cde, abc]=[cde, abc]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [cde, abc])
   Call: (218) [system] _5624=['DisjunctionIntroduction', cde, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, abc])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _261668)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _263526)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _271264)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _273968)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _289046)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _294616)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _296474)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _310628)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _294616)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _316198)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _330352)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _335922)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _337780)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _351934)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _335922)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _369576)
   Call: (222) [system] peek_char((0x558d99e6bec0), _370510)
   Exit: (222) [system] peek_char((0x558d99e6bec0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_375230, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_376162, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x558d99e6bec0), r)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _383512)
   Call: (223) [system] peek_char((0x558d99e6bec0), _384446)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_389166, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_390098, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _397448)
   Call: (224) [system] peek_char((0x558d99e6bec0), _398382)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_403102, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_404034, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _411384)
   Call: (225) [system] peek_char((0x558d99e6bec0), _412318)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_417038, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_417970, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _425320)
   Call: (226) [system] peek_char((0x558d99e6bec0), _426254)
   Exit: (226) [system] peek_char((0x558d99e6bec0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_430974, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_431906, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x558d99e6bec0), k)
   Exit: (226) [system] get_char((0x558d99e6bec0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _439256)
   Call: (227) [system] peek_char((0x558d99e6bec0), _440190)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _439256=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _425320=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (225) [system] _411384=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (224) [system] _397448=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (223) [system] _383512=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (222) [system] _369576=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _335922)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_463470, _463472), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _335922), _463446, fail)), '$restore_trace'(_463470, _463472))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_463470, _463472))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _335922), _463446, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_335922)
   Fail: (222) [system] atomic(_335922)
   Call: (222) [system] atom_chars(_335922, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _472846)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _474704)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _482442)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _485146)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _500224)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _505794)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _507652)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _521806)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _505794)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _527376)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _541530)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=')'
   Fail: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _547100)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _548958)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _563112)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'='('
   Fail: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Fail: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Fail: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Fail: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Fail: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Fail: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Fail: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _547100)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _580754)
   Call: (225) [system] peek_char((0x558d99e6bec0), _581688)
   Exit: (225) [system] peek_char((0x558d99e6bec0), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Fail: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_586408, v('(', ')', end_of_file), m)
   Fail: (226) [system] arg(_587340, v('(', ')', end_of_file), m)
^  Fail: (225) [user] is_delimiter(m)
   Call: (225) [system] ')'==m
   Fail: (225) [system] ')'==m
   Call: (225) [system] get_char((0x558d99e6bec0), m)
   Exit: (225) [system] get_char((0x558d99e6bec0), m)
   Call: (225) [system] m=(\)
   Fail: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _594690)
   Call: (226) [system] peek_char((0x558d99e6bec0), _595624)
   Exit: (226) [system] peek_char((0x558d99e6bec0), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Fail: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_600344, v('(', ')', end_of_file), p)
   Fail: (227) [system] arg(_601276, v('(', ')', end_of_file), p)
^  Fail: (226) [user] is_delimiter(p)
   Call: (226) [system] ')'==p
   Fail: (226) [system] ')'==p
   Call: (226) [system] get_char((0x558d99e6bec0), p)
   Exit: (226) [system] get_char((0x558d99e6bec0), p)
   Call: (226) [system] p=(\)
   Fail: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _608626)
   Call: (227) [system] peek_char((0x558d99e6bec0), _609560)
   Exit: (227) [system] peek_char((0x558d99e6bec0), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Fail: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_614280, v('(', ')', end_of_file), l)
   Fail: (228) [system] arg(_615212, v('(', ')', end_of_file), l)
^  Fail: (227) [user] is_delimiter(l)
   Call: (227) [system] ')'==l
   Fail: (227) [system] ')'==l
   Call: (227) [system] get_char((0x558d99e6bec0), l)
   Exit: (227) [system] get_char((0x558d99e6bec0), l)
   Call: (227) [system] l=(\)
   Fail: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _622562)
   Call: (228) [system] peek_char((0x558d99e6bec0), _623496)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_628216, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_629148, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _636498)
   Call: (229) [system] peek_char((0x558d99e6bec0), _637432)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_642152, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_643084, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x558d99e6bec0), c)
   Exit: (229) [system] get_char((0x558d99e6bec0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _650434)
   Call: (230) [system] peek_char((0x558d99e6bec0), _651368)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_656088, v('(', ')', end_of_file), a)
   Fail: (231) [system] arg(_657020, v('(', ')', end_of_file), a)
^  Fail: (230) [user] is_delimiter(a)
   Call: (230) [system] ')'==a
   Fail: (230) [system] ')'==a
   Call: (230) [system] get_char((0x558d99e6bec0), a)
   Exit: (230) [system] get_char((0x558d99e6bec0), a)
   Call: (230) [system] a=(\)
   Fail: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _664370)
   Call: (231) [system] peek_char((0x558d99e6bec0), _665304)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_670024, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_670956, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _678306)
   Call: (232) [system] peek_char((0x558d99e6bec0), _679240)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_683960, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_684892, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692242)
   Call: (233) [system] peek_char((0x558d99e6bec0), _693176)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_697896, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_698828, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _706178)
   Call: (234) [system] peek_char((0x558d99e6bec0), _707112)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_711832, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_712764, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _720114)
   Call: (235) [system] peek_char((0x558d99e6bec0), _721048)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _720114=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _706178=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (233) [system] _692242=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (232) [system] _678306=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (231) [system] _664370=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (230) [system] _650434=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (229) [system] _636498=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (228) [system] _622562=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (227) [system] _608626=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _594690=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _580754=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _547100)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_758298, _758300), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _547100), _758274, fail)), '$restore_trace'(_758298, _758300))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_758298, _758300))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _547100), _758274, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_547100)
   Fail: (225) [system] atomic(_547100)
   Call: (225) [system] atom_chars(_547100, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _767674)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _769532)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _777270)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _779974)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _795052)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _800622)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _802480)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _816634)
   Exit: (224) [system] get_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _800622)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _822204)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _836358)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _841928)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _843786)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _857940)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _841928)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875582)
   Call: (228) [system] peek_char((0x558d99e6bec0), _876516)
   Exit: (228) [system] peek_char((0x558d99e6bec0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_881236, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_882168, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x558d99e6bec0), r)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889518)
   Call: (229) [system] peek_char((0x558d99e6bec0), _890452)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_895172, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_896104, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _903454)
   Call: (230) [system] peek_char((0x558d99e6bec0), _904388)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_909108, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_910040, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _917390)
   Call: (231) [system] peek_char((0x558d99e6bec0), _918324)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_923044, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_923976, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _931326)
   Call: (232) [system] peek_char((0x558d99e6bec0), _932260)
   Exit: (232) [system] peek_char((0x558d99e6bec0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_936980, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_937912, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x558d99e6bec0), k)
   Exit: (232) [system] get_char((0x558d99e6bec0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945262)
   Call: (233) [system] peek_char((0x558d99e6bec0), _946196)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _945262=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _931326=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (231) [system] _917390=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (230) [system] _903454=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (229) [system] _889518=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (228) [system] _875582=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _841928)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_969476, _969478), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _841928), _969452, fail)), '$restore_trace'(_969476, _969478))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_969476, _969478))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _841928), _969452, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_841928)
   Fail: (228) [system] atomic(_841928)
   Call: (228) [system] atom_chars(_841928, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _978852)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _980710)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _988448)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _991152)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1006230)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'=')'
   Fail: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1011800)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1013658)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (228) [system] 'C'=(;)
   Fail: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Fail: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Fail: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Fail: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
   Fail: (229) [system] char_type('C', cntrl)
^  Fail: (228) [user] is_like_space('C')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1027812)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'='('
   Fail: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Fail: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Fail: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Fail: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Fail: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Fail: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Fail: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1011800)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1045454)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1046388)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1045454=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('C', [], _1011800)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1055698, _1055700), once(user:catch(read_from_chars(['C'], _1011800), _1055674, fail)), '$restore_trace'(_1055698, _1055700))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1055698, _1055700))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1011800), _1055674, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1011800)
   Fail: (229) [system] atomic(_1011800)
   Call: (229) [system] atom_chars(_1011800, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1065074)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1066932)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _1074670)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1077374)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1092452)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1098022)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1099880)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _1114034)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1098022)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1131676)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1132610)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1137330, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1131676=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('D', [], _1098022)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1143792, _1143794), once(user:catch(read_from_chars(['D'], _1098022), _1143768, fail)), '$restore_trace'(_1143792, _1143794))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1143792, _1143794))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1098022), _1143768, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1098022)
   Fail: (230) [system] atomic(_1098022)
   Call: (230) [system] atom_chars(_1098022, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1153168)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1155026)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1169180)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x558d99e6bec0), _1172970)
   Exit: (228) [system] get_char((0x558d99e6bec0), ')')
   Call: (228) [system] _1153168=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (227) [system] _1065074=['D']
   Exit: (227) [system] ['D']=['D']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (226) [system] _978852=['C', 'D']
   Exit: (226) [system] ['C', 'D']=['C', 'D']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (225) [system] _800622=['OrLink', 'C', 'D']
   Exit: (225) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1186852)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1188710)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1196448)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1199152)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (226) [system] 'E'=(;)
   Fail: (226) [system] 'E'=(;)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Fail: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Fail: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Fail: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
   Fail: (227) [system] char_type('E', cntrl)
^  Fail: (226) [user] is_like_space('E')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1214230)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'=')'
   Fail: (224) [system] 'E'=')'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1219800)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1221658)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (226) [system] 'E'=(;)
   Fail: (226) [system] 'E'=(;)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Fail: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Fail: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Fail: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
   Fail: (227) [system] char_type('E', cntrl)
^  Fail: (226) [user] is_like_space('E')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1235812)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'E')
   Call: (225) [system] 'E'='('
   Fail: (225) [system] 'E'='('
   Call: (225) [system] 'E'='['
   Fail: (225) [system] 'E'='['
   Call: (225) [system] 'E'='{'
   Fail: (225) [system] 'E'='{'
   Call: (225) [system] 'E'='"'
   Fail: (225) [system] 'E'='"'
   Call: (225) [system] 'E'=!
   Fail: (225) [system] 'E'=!
   Call: (225) [system] 'E'='\''
   Fail: (225) [system] 'E'='\''
   Call: (225) [system] 'E'='`'
   Fail: (225) [system] 'E'='`'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1219800)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1253454)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1254388)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1259108, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1253454=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('E', [], _1219800)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1265570, _1265572), once(user:catch(read_from_chars(['E'], _1219800), _1265546, fail)), '$restore_trace'(_1265570, _1265572))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1265570, _1265572))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1219800), _1265546, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1219800)
   Fail: (227) [system] atomic(_1219800)
   Call: (227) [system] atom_chars(_1219800, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1274946)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1276804)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1290958)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _1294748)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _1274946=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1186852=['E']
   Exit: (224) [system] ['E']=['E']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (223) [system] _767674=[['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (222) [system] _505794=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1308630)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1310488)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1318226)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1320930)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1336008)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1341578)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1343436)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1357590)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1341578)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1363160)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1377314)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1382884)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1384742)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1398896)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1382884)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1416538)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1417472)
   Exit: (226) [system] peek_char((0x558d99e6bec0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1422192, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1423124, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x558d99e6bec0), m)
   Exit: (226) [system] get_char((0x558d99e6bec0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1430474)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1431408)
   Exit: (227) [system] peek_char((0x558d99e6bec0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1436128, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_1437060, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x558d99e6bec0), p)
   Exit: (227) [system] get_char((0x558d99e6bec0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444410)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1445344)
   Exit: (228) [system] peek_char((0x558d99e6bec0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1450064, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_1450996, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x558d99e6bec0), l)
   Exit: (228) [system] get_char((0x558d99e6bec0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1458346)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1459280)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1464000, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1464932, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1472282)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1473216)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1477936, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1478868, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1486218)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1487152)
   Exit: (231) [system] peek_char((0x558d99e6bec0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1491872, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_1492804, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x558d99e6bec0), a)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1500154)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1501088)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1505808, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1506740, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1514090)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1515024)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1519744, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1520676, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1528026)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1528960)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1533680, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1534612, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1541962)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1542896)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1547616, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1548548, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1555898)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1556832)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1555898=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _1541962=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (234) [system] _1528026=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (233) [system] _1514090=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (232) [system] _1500154=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (231) [system] _1486218=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (230) [system] _1472282=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (229) [system] _1458346=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (228) [system] _1444410=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1430474=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1416538=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1382884)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1594082, _1594084), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1382884), _1594058, fail)), '$restore_trace'(_1594082, _1594084))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1594082, _1594084))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1382884), _1594058, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1382884)
   Fail: (226) [system] atomic(_1382884)
   Call: (226) [system] atom_chars(_1382884, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1603458)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1605316)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1613054)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1615758)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1630836)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1636406)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1638264)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1652418)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1636406)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1657988)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1672142)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1677712)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1679570)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1693724)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1677712)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711366)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1712300)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1717020, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1717952, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1725302)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1726236)
   Exit: (230) [system] peek_char((0x558d99e6bec0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1730956, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1731888, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x558d99e6bec0), d)
   Exit: (230) [system] get_char((0x558d99e6bec0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1739238)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1740172)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1744892, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1745824, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1753174)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1754108)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1758828, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1759760, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1767110)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1768044)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1772764, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1773696, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781046)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1781980)
   Exit: (234) [system] peek_char((0x558d99e6bec0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1786700, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1787632, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x558d99e6bec0), k)
   Exit: (234) [system] get_char((0x558d99e6bec0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1794982)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1795916)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1794982=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _1781046=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (233) [system] _1767110=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (232) [system] _1753174=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (231) [system] _1739238=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (230) [system] _1725302=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (229) [system] _1711366=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1677712)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1821990, _1821992), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1677712), _1821966, fail)), '$restore_trace'(_1821990, _1821992))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1821990, _1821992))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1677712), _1821966, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1677712)
   Fail: (229) [system] atomic(_1677712)
   Call: (229) [system] atom_chars(_1677712, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1831366)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1833224)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _1840962)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1843666)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1858744)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1864314)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1866172)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _1880326)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1864314)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1897968)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1898902)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1897968=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1864314)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1908212, _1908214), once(user:catch(read_from_chars(['A'], _1864314), _1908188, fail)), '$restore_trace'(_1908212, _1908214))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1908212, _1908214))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1864314), _1908188, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1864314)
   Fail: (230) [system] atomic(_1864314)
   Call: (230) [system] atom_chars(_1864314, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1917588)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1919446)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _1927184)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1929888)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1944966)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1950536)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1952394)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1966548)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1950536)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1984190)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1985124)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1989844, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1984190=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1950536)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1996306, _1996308), once(user:catch(read_from_chars(['B'], _1950536), _1996282, fail)), '$restore_trace'(_1996306, _1996308))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1996306, _1996308))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1950536), _1996282, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1950536)
   Fail: (231) [system] atomic(_1950536)
   Call: (231) [system] atom_chars(_1950536, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _2005682)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _2007540)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _2021694)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x558d99e6bec0), _2025484)
   Exit: (229) [system] get_char((0x558d99e6bec0), ')')
   Call: (229) [system] _2005682=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1917588=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (227) [system] _1831366=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (226) [system] _1636406=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _2039366)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2041224)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _2048962)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2051666)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2066744)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _2072314)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2074172)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _2088326)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _5738)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _14850)
   Call: (228) [system] peek_char((0x558d99e6bec0), _15784)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_20504, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _14850=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _5738)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_26966, _26968), once(user:catch(read_from_chars(['C'], _5738), _26942, fail)), '$restore_trace'(_26966, _26968))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_26966, _26968))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _5738), _26942, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_5738)
   Fail: (228) [system] atomic(_5738)
   Call: (228) [system] atom_chars(_5738, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _36342)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _38200)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _52354)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _56144)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _36342=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _5734=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (224) [system] _5710=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _70026)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _71884)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _86038)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _89828)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _70026=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _5656=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _5648=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _103710)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _105568)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _119722)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _123512)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _103710=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _5644=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _5620=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _5612=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _137394)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _139252)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (215) [system] '\n'=(;)
   Fail: (215) [system] '\n'=(;)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Fail: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x558d99e6bec0), _148846)
   Exit: (215) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _151550)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (216) [system] '\t'=(;)
   Fail: (216) [system] '\t'=(;)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x558d99e6bec0), _159288)
   Exit: (216) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _161992)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x558d99e6bec0), _169730)
   Exit: (217) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _172434)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _180172)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _182876)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _200726)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _206296)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _208154)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _222308)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _206296)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _227878)
   Exit: (217) [system] peek_char((0x558d99e6bec0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _242032)
   Exit: (216) [system] peek_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)=')'
   Fail: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _247602)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _249460)
   Exit: (218) [system] peek_char((0x558d99e6bec0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _263614)
   Exit: (217) [system] get_char((0x558d99e6bec0), :)
   Call: (217) [system] (:)='('
   Fail: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Fail: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Fail: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Fail: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Fail: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Fail: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Fail: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), :, _247602)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _281256)
   Call: (219) [system] peek_char((0x558d99e6bec0), _282190)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _281256=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq(:, [], _247602)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_291500, _291502), once(user:catch(read_from_chars([:], _247602), _291476, fail)), '$restore_trace'(_291500, _291502))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_291500, _291502))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _291476, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _299000)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _300858)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _308596)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _311300)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _326378)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _331948)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _333806)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _347960)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _331948)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _353530)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _367684)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _373254)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _375112)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _389266)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _373254)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _406908)
   Call: (222) [system] peek_char((0x558d99e6bec0), _407842)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_412562, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_413494, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _420844)
   Call: (223) [system] peek_char((0x558d99e6bec0), _421778)
   Exit: (223) [system] peek_char((0x558d99e6bec0), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_426498, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_427430, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x558d99e6bec0), s)
   Exit: (223) [system] get_char((0x558d99e6bec0), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _434780)
   Call: (224) [system] peek_char((0x558d99e6bec0), _435714)
   Exit: (224) [system] peek_char((0x558d99e6bec0), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_440434, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_441366, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x558d99e6bec0), j)
   Exit: (224) [system] get_char((0x558d99e6bec0), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _448716)
   Call: (225) [system] peek_char((0x558d99e6bec0), _449650)
   Exit: (225) [system] peek_char((0x558d99e6bec0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_454370, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_455302, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x558d99e6bec0), u)
   Exit: (225) [system] get_char((0x558d99e6bec0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _462652)
   Call: (226) [system] peek_char((0x558d99e6bec0), _463586)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_468306, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_469238, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _476588)
   Call: (227) [system] peek_char((0x558d99e6bec0), _477522)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_482242, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_483174, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _490524)
   Call: (228) [system] peek_char((0x558d99e6bec0), _491458)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_496178, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_497110, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _504460)
   Call: (229) [system] peek_char((0x558d99e6bec0), _505394)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_510114, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_511046, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _518396)
   Call: (230) [system] peek_char((0x558d99e6bec0), _519330)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_524050, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_524982, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _532332)
   Call: (231) [system] peek_char((0x558d99e6bec0), _533266)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_537986, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_538918, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _546268)
   Call: (232) [system] peek_char((0x558d99e6bec0), _547202)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_551922, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_552854, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (232) [system] get_char((0x558d99e6bec0), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _560204)
   Call: (233) [system] peek_char((0x558d99e6bec0), _561138)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_565858, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_566790, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _574140)
   Call: (234) [system] peek_char((0x558d99e6bec0), _575074)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_579794, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_580726, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _588076)
   Call: (235) [system] peek_char((0x558d99e6bec0), _589010)
   Exit: (235) [system] peek_char((0x558d99e6bec0), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_593730, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_594662, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x558d99e6bec0), r)
   Exit: (235) [system] get_char((0x558d99e6bec0), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _602012)
   Call: (236) [system] peek_char((0x558d99e6bec0), _602946)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_607666, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_608598, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _615948)
   Call: (237) [system] peek_char((0x558d99e6bec0), _616882)
   Exit: (237) [system] peek_char((0x558d99e6bec0), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_621602, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_622534, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x558d99e6bec0), d)
   Exit: (237) [system] get_char((0x558d99e6bec0), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _629884)
   Call: (238) [system] peek_char((0x558d99e6bec0), _630818)
   Exit: (238) [system] peek_char((0x558d99e6bec0), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_635538, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_636470, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x558d99e6bec0), u)
   Exit: (238) [system] get_char((0x558d99e6bec0), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _643820)
   Call: (239) [system] peek_char((0x558d99e6bec0), _644754)
   Exit: (239) [system] peek_char((0x558d99e6bec0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_649474, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_650406, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x558d99e6bec0), c)
   Exit: (239) [system] get_char((0x558d99e6bec0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _657756)
   Call: (240) [system] peek_char((0x558d99e6bec0), _658690)
   Exit: (240) [system] peek_char((0x558d99e6bec0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_663410, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_664342, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x558d99e6bec0), t)
   Exit: (240) [system] get_char((0x558d99e6bec0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _671692)
   Call: (241) [system] peek_char((0x558d99e6bec0), _672626)
   Exit: (241) [system] peek_char((0x558d99e6bec0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_677346, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_678278, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x558d99e6bec0), i)
   Exit: (241) [system] get_char((0x558d99e6bec0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _685628)
   Call: (242) [system] peek_char((0x558d99e6bec0), _686562)
   Exit: (242) [system] peek_char((0x558d99e6bec0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_691282, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_692214, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x558d99e6bec0), o)
   Exit: (242) [system] get_char((0x558d99e6bec0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _699564)
   Call: (243) [system] peek_char((0x558d99e6bec0), _700498)
   Exit: (243) [system] peek_char((0x558d99e6bec0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_705218, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_706150, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x558d99e6bec0), n)
   Exit: (243) [system] get_char((0x558d99e6bec0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713500)
   Call: (244) [system] peek_char((0x558d99e6bec0), _714434)
   Exit: (244) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _713500=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (243) [system] _699564=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (242) [system] _685628=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (241) [system] _671692=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (240) [system] _657756=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (239) [system] _643820=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (238) [system] _629884=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (237) [system] _615948=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (236) [system] _602012=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _588076=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _574140=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _560204=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _546268=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _532332=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _518396=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _504460=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _490524=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _476588=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _462652=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _448716=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _434780=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _420844=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _406908=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _373254)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_785212, _785214), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _373254), _785188, fail)), '$restore_trace'(_785212, _785214))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_785212, _785214))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _373254), _785188, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_373254)
   Fail: (222) [system] atomic(_373254)
   Call: (222) [system] atom_chars(_373254, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _794588)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _796446)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _804184)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _806888)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _821966)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
   Call: (220) [system] c=')'
   Fail: (220) [system] c=')'
   Call: (220) [system] c=end_of_file
   Fail: (220) [system] c=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _827536)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _829394)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(;)
   Fail: (222) [system] c=(;)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Fail: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Fail: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
   Fail: (223) [system] char_type(c, cntrl)
^  Fail: (222) [user] is_like_space(c)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _843548)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c='('
   Fail: (221) [system] c='('
   Call: (221) [system] c='['
   Fail: (221) [system] c='['
   Call: (221) [system] c='{'
   Fail: (221) [system] c='{'
   Call: (221) [system] c='"'
   Fail: (221) [system] c='"'
   Call: (221) [system] c=!
   Fail: (221) [system] c=!
   Call: (221) [system] c='\''
   Fail: (221) [system] c='\''
   Call: (221) [system] c='`'
   Fail: (221) [system] c='`'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), c, _827536)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861190)
   Call: (223) [system] peek_char((0x558d99e6bec0), _862124)
   Exit: (223) [system] peek_char((0x558d99e6bec0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_866844, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_867776, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x558d99e6bec0), d)
   Exit: (223) [system] get_char((0x558d99e6bec0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875126)
   Call: (224) [system] peek_char((0x558d99e6bec0), _876060)
   Exit: (224) [system] peek_char((0x558d99e6bec0), e)
^  Call: (224) [user] is_delimiter(e)
   Call: (225) [system] char_type(e, space)
   Fail: (225) [system] char_type(e, space)
   Call: (225) [system] arg(_880780, v('(', ')', end_of_file), e)
   Fail: (225) [system] arg(_881712, v('(', ')', end_of_file), e)
^  Fail: (224) [user] is_delimiter(e)
   Call: (224) [system] ')'==e
   Fail: (224) [system] ')'==e
   Call: (224) [system] get_char((0x558d99e6bec0), e)
   Exit: (224) [system] get_char((0x558d99e6bec0), e)
   Call: (224) [system] e=(\)
   Fail: (224) [system] e=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889062)
   Call: (225) [system] peek_char((0x558d99e6bec0), _889996)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _889062=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _875126=[e]
   Exit: (224) [system] [e]=[e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (223) [system] _861190=[d, e]
   Exit: (223) [system] [d, e]=[d, e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (222) [user] classify_and_convert_charseq(c, [d, e], _827536)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_904894, _904896), once(user:catch(read_from_chars([c, d, e], _827536), _904870, fail)), '$restore_trace'(_904894, _904896))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_904894, _904896))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _904870, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(cde)
   Exit: (223) [system] atomic(cde)
^  Exit: (222) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _912394)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _914252)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _921990)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _924694)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _939772)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _945342)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _947200)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _961354)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), c, _945342)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _978996)
   Call: (224) [system] peek_char((0x558d99e6bec0), _979930)
   Exit: (224) [system] peek_char((0x558d99e6bec0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_984650, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_985582, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x558d99e6bec0), d)
   Exit: (224) [system] get_char((0x558d99e6bec0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _992932)
   Call: (225) [system] peek_char((0x558d99e6bec0), _993866)
   Exit: (225) [system] peek_char((0x558d99e6bec0), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_998586, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_999518, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x558d99e6bec0), e)
   Exit: (225) [system] get_char((0x558d99e6bec0), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1006868)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1007802)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1012522, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1006868=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _992932=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (224) [system] _978996=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (223) [user] classify_and_convert_charseq(c, [d, e], _945342)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1024572, _1024574), once(user:catch(read_from_chars([c, d, e], _945342), _1024548, fail)), '$restore_trace'(_1024572, _1024574))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1024572, _1024574))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1024548, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1032072)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1033930)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1048084)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _1051874)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _1032072=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _912394=[cde]
   Exit: (221) [system] [cde]=[cde]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (220) [system] _794588=[cde, cde]
   Exit: (220) [system] [cde, cde]=[cde, cde]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [cde, cde])
   Call: (219) [system] _331948=['DisjunctionIntroduction', cde, cde]
   Exit: (219) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, cde])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, cde])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1065756)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1067614)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1075352)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1078056)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1093134)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1098704)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1100562)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1114716)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1098704)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1120286)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1134440)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1140010)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1141868)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1156022)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1140010)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1173664)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1174598)
   Exit: (223) [system] peek_char((0x558d99e6bec0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1179318, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1180250, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x558d99e6bec0), r)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1187600)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1188534)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1193254, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1194186, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1201536)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1202470)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1207190, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1208122, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1215472)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1216406)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1221126, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1222058, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1229408)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1230342)
   Exit: (227) [system] peek_char((0x558d99e6bec0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1235062, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_1235994, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x558d99e6bec0), k)
   Exit: (227) [system] get_char((0x558d99e6bec0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1243344)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1244278)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1243344=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _1229408=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (226) [system] _1215472=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (225) [system] _1201536=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (224) [system] _1187600=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (223) [system] _1173664=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1140010)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1267558, _1267560), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1140010), _1267534, fail)), '$restore_trace'(_1267558, _1267560))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1267558, _1267560))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1140010), _1267534, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1140010)
   Fail: (223) [system] atomic(_1140010)
   Call: (223) [system] atom_chars(_1140010, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1276934)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1278792)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1286530)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1289234)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1304312)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1309882)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1311740)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1325894)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1309882)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1331464)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1345618)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1351188)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1353046)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1367200)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1351188)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1384842)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1385776)
   Exit: (226) [system] peek_char((0x558d99e6bec0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1390496, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_1391428, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x558d99e6bec0), m)
   Exit: (226) [system] get_char((0x558d99e6bec0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1398778)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1399712)
   Exit: (227) [system] peek_char((0x558d99e6bec0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1404432, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_1405364, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x558d99e6bec0), p)
   Exit: (227) [system] get_char((0x558d99e6bec0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1412714)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1413648)
   Exit: (228) [system] peek_char((0x558d99e6bec0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1418368, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_1419300, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x558d99e6bec0), l)
   Exit: (228) [system] get_char((0x558d99e6bec0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1426650)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1427584)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1432304, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1433236, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1440586)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1441520)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1446240, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1447172, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1454522)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1455456)
   Exit: (231) [system] peek_char((0x558d99e6bec0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1460176, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_1461108, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x558d99e6bec0), a)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1468458)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1469392)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1474112, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1475044, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1482394)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1483328)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1488048, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1488980, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1496330)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1497264)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1501984, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1502916, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1510266)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1511200)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1515920, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1516852, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1524202)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1525136)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1524202=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _1510266=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (234) [system] _1496330=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (233) [system] _1482394=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (232) [system] _1468458=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (231) [system] _1454522=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (230) [system] _1440586=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (229) [system] _1426650=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (228) [system] _1412714=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1398778=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1384842=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1351188)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1562386, _1562388), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1351188), _1562362, fail)), '$restore_trace'(_1562386, _1562388))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1562386, _1562388))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1351188), _1562362, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1351188)
   Fail: (226) [system] atomic(_1351188)
   Call: (226) [system] atom_chars(_1351188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1571762)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1573620)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1581358)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1584062)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1599140)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1604710)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1606568)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1620722)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1604710)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1626292)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1640446)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1646016)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1647874)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1662028)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1646016)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1679670)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1680604)
   Exit: (229) [system] peek_char((0x558d99e6bec0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1685324, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1686256, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x558d99e6bec0), r)
   Exit: (229) [system] get_char((0x558d99e6bec0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1693606)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1694540)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1699260, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_1700192, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (230) [system] get_char((0x558d99e6bec0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1707542)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1708476)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1713196, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1714128, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1721478)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1722412)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1727132, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1728064, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1735414)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1736348)
   Exit: (233) [system] peek_char((0x558d99e6bec0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1741068, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_1742000, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x558d99e6bec0), k)
   Exit: (233) [system] get_char((0x558d99e6bec0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1749350)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1750284)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1749350=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _1735414=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (232) [system] _1721478=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (231) [system] _1707542=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (230) [system] _1693606=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (229) [system] _1679670=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1646016)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1773564, _1773566), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1646016), _1773540, fail)), '$restore_trace'(_1773564, _1773566))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1773564, _1773566))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1646016), _1773540, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1646016)
   Fail: (229) [system] atomic(_1646016)
   Call: (229) [system] atom_chars(_1646016, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1782940)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1784798)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _1792536)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1795240)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1810318)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=')'
   Fail: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
   Fail: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1815888)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1817746)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'=(;)
   Fail: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Fail: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Fail: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Fail: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
   Fail: (230) [system] char_type('C', cntrl)
^  Fail: (229) [user] is_like_space('C')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _1831900)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'C')
   Call: (228) [system] 'C'='('
   Fail: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Fail: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Fail: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Fail: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Fail: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Fail: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Fail: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1815888)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1849542)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1850476)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1849542=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('C', [], _1815888)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1859786, _1859788), once(user:catch(read_from_chars(['C'], _1815888), _1859762, fail)), '$restore_trace'(_1859786, _1859788))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1859786, _1859788))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1815888), _1859762, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1815888)
   Fail: (230) [system] atomic(_1815888)
   Call: (230) [system] atom_chars(_1815888, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1869162)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1871020)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _1878758)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1881462)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1896540)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1902110)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1903968)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1918122)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1902110)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1935764)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1936698)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1941418, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1935764=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('D', [], _1902110)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1947880, _1947882), once(user:catch(read_from_chars(['D'], _1902110), _1947856, fail)), '$restore_trace'(_1947880, _1947882))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1947880, _1947882))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1902110), _1947856, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1902110)
   Fail: (231) [system] atomic(_1902110)
   Call: (231) [system] atom_chars(_1902110, ['D'])
   Exit: (231) [system] atom_chars('D', ['D'])
^  Exit: (230) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _1957256)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1959114)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1973268)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x558d99e6bec0), _1977058)
   Exit: (229) [system] get_char((0x558d99e6bec0), ')')
   Call: (229) [system] _1957256=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1869162=['D']
   Exit: (228) [system] ['D']=['D']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (227) [system] _1782940=['C', 'D']
   Exit: (227) [system] ['C', 'D']=['C', 'D']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (226) [system] _1604710=['OrLink', 'C', 'D']
   Exit: (226) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1990940)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1992798)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _2000536)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2003240)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2018318)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (225) [system] 'E'=')'
   Fail: (225) [system] 'E'=')'
   Call: (225) [system] 'E'=end_of_file
   Fail: (225) [system] 'E'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _2023888)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2025746)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (227) [system] 'E'=(;)
   Fail: (227) [system] 'E'=(;)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Fail: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Fail: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Fail: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
   Fail: (228) [system] char_type('E', cntrl)
^  Fail: (227) [user] is_like_space('E')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _2039900)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'E')
   Call: (226) [system] 'E'='('
   Fail: (226) [system] 'E'='('
   Call: (226) [system] 'E'='['
   Fail: (226) [system] 'E'='['
   Call: (226) [system] 'E'='{'
   Fail: (226) [system] 'E'='{'
   Call: (226) [system] 'E'='"'
   Fail: (226) [system] 'E'='"'
   Call: (226) [system] 'E'=!
   Fail: (226) [system] 'E'=!
   Call: (226) [system] 'E'='\''
   Fail: (226) [system] 'E'='\''
   Call: (226) [system] 'E'='`'
   Fail: (226) [system] 'E'='`'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _2023888)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2057542)
   Call: (228) [system] peek_char((0x558d99e6bec0), _2058476)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_2063196, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _2057542=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('E', [], _2023888)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_2069658, _2069660), once(user:catch(read_from_chars(['E'], _2023888), _2069634, fail)), '$restore_trace'(_2069658, _2069660))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_2069658, _2069660))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _2023888), _2069634, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_2023888)
   Fail: (228) [system] atomic(_2023888)
   Call: (228) [system] atom_chars(_2023888, ['E'])
   Exit: (228) [system] atom_chars('E', ['E'])
^  Exit: (227) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _2079034)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2080892)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2095046)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _7714)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _5830=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _5824=['E']
   Exit: (225) [system] ['E']=['E']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (224) [system] _5800=[['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (223) [system] _5792=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _21596)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _23454)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _31192)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _33896)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _48974)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _54544)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _56402)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _70556)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _54544)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _76126)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _90280)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _95850)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _97708)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _111862)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _95850)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _129504)
   Call: (227) [system] peek_char((0x558d99e6bec0), _130438)
   Exit: (227) [system] peek_char((0x558d99e6bec0), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_135158, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_136090, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x558d99e6bec0), m)
   Exit: (227) [system] get_char((0x558d99e6bec0), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _143440)
   Call: (228) [system] peek_char((0x558d99e6bec0), _144374)
   Exit: (228) [system] peek_char((0x558d99e6bec0), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_149094, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_150026, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x558d99e6bec0), p)
   Exit: (228) [system] get_char((0x558d99e6bec0), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _157376)
   Call: (229) [system] peek_char((0x558d99e6bec0), _158310)
   Exit: (229) [system] peek_char((0x558d99e6bec0), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_163030, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_163962, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x558d99e6bec0), l)
   Exit: (229) [system] get_char((0x558d99e6bec0), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _171312)
   Call: (230) [system] peek_char((0x558d99e6bec0), _172246)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_176966, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_177898, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _185248)
   Call: (231) [system] peek_char((0x558d99e6bec0), _186182)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_190902, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_191834, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x558d99e6bec0), c)
   Exit: (231) [system] get_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _199184)
   Call: (232) [system] peek_char((0x558d99e6bec0), _200118)
   Exit: (232) [system] peek_char((0x558d99e6bec0), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_204838, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_205770, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x558d99e6bec0), a)
   Exit: (232) [system] get_char((0x558d99e6bec0), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _213120)
   Call: (233) [system] peek_char((0x558d99e6bec0), _214054)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_218774, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_219706, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _227056)
   Call: (234) [system] peek_char((0x558d99e6bec0), _227990)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_232710, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_233642, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _240992)
   Call: (235) [system] peek_char((0x558d99e6bec0), _241926)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_246646, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_247578, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _254928)
   Call: (236) [system] peek_char((0x558d99e6bec0), _255862)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_260582, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_261514, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _268864)
   Call: (237) [system] peek_char((0x558d99e6bec0), _269798)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _268864=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (236) [system] _254928=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (235) [system] _240992=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (234) [system] _227056=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (233) [system] _213120=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (232) [system] _199184=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (231) [system] _185248=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (230) [system] _171312=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (229) [system] _157376=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _143440=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _129504=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _95850)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_307048, _307050), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _95850), _307024, fail)), '$restore_trace'(_307048, _307050))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_307048, _307050))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _95850), _307024, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_95850)
   Fail: (227) [system] atomic(_95850)
   Call: (227) [system] atom_chars(_95850, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _316424)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _318282)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _326020)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _328724)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _343802)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _349372)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _351230)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _365384)
   Exit: (226) [system] get_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _349372)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _370954)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _385108)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _390678)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _392536)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _406690)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _390678)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _424332)
   Call: (230) [system] peek_char((0x558d99e6bec0), _425266)
   Exit: (230) [system] peek_char((0x558d99e6bec0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_429986, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_430918, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x558d99e6bec0), r)
   Exit: (230) [system] get_char((0x558d99e6bec0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _438268)
   Call: (231) [system] peek_char((0x558d99e6bec0), _439202)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_443922, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_444854, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _452204)
   Call: (232) [system] peek_char((0x558d99e6bec0), _453138)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_457858, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_458790, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _466140)
   Call: (233) [system] peek_char((0x558d99e6bec0), _467074)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_471794, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_472726, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _480076)
   Call: (234) [system] peek_char((0x558d99e6bec0), _481010)
   Exit: (234) [system] peek_char((0x558d99e6bec0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_485730, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_486662, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x558d99e6bec0), k)
   Exit: (234) [system] get_char((0x558d99e6bec0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494012)
   Call: (235) [system] peek_char((0x558d99e6bec0), _494946)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _494012=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _480076=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (233) [system] _466140=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (232) [system] _452204=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (231) [system] _438268=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (230) [system] _424332=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _390678)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_518226, _518228), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _390678), _518202, fail)), '$restore_trace'(_518226, _518228))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_518226, _518228))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _390678), _518202, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_390678)
   Fail: (230) [system] atomic(_390678)
   Call: (230) [system] atom_chars(_390678, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _527602)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _529460)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _537198)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _539902)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _554980)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _560550)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _562408)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _576562)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _560550)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _594204)
   Call: (231) [system] peek_char((0x558d99e6bec0), _595138)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _594204=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('C', [], _560550)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_604448, _604450), once(user:catch(read_from_chars(['C'], _560550), _604424, fail)), '$restore_trace'(_604448, _604450))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_604448, _604450))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _560550), _604424, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_560550)
   Fail: (231) [system] atomic(_560550)
   Call: (231) [system] atom_chars(_560550, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _613824)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _615682)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _623420)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _626124)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _641202)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _646772)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _648630)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _662784)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _646772)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _680426)
   Call: (232) [system] peek_char((0x558d99e6bec0), _681360)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_686080, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _680426=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq('D', [], _646772)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_692542, _692544), once(user:catch(read_from_chars(['D'], _646772), _692518, fail)), '$restore_trace'(_692542, _692544))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_692542, _692544))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _646772), _692518, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_646772)
   Fail: (232) [system] atomic(_646772)
   Call: (232) [system] atom_chars(_646772, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _701918)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _703776)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _717930)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x558d99e6bec0), _721720)
   Exit: (230) [system] get_char((0x558d99e6bec0), ')')
   Call: (230) [system] _701918=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (229) [system] _613824=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (228) [system] _527602=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (227) [system] _349372=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _735602)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _737460)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _745198)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _747902)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _762980)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _768550)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _770408)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _784562)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _768550)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _802204)
   Call: (229) [system] peek_char((0x558d99e6bec0), _803138)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_807858, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _802204=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('E', [], _768550)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_814320, _814322), once(user:catch(read_from_chars(['E'], _768550), _814296, fail)), '$restore_trace'(_814320, _814322))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_814320, _814322))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _768550), _814296, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_768550)
   Fail: (229) [system] atomic(_768550)
   Call: (229) [system] atom_chars(_768550, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _823696)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _825554)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _839708)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _843498)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _823696=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _735602=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (225) [system] _316424=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _54544=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _857380)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _859238)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _873392)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _877182)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _857380=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _21596=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _5788=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (220) [system] _5780=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (220) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _891064)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _892922)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _907076)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _910866)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _891064=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _5776=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _5752=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (216) [system] _5744=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _924748)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _926606)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (216) [system] '\n'=(;)
   Fail: (216) [system] '\n'=(;)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Fail: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x558d99e6bec0), _936200)
   Exit: (216) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _938904)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (217) [system] '\t'=(;)
   Fail: (217) [system] '\t'=(;)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x558d99e6bec0), _946642)
   Exit: (217) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _949346)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x558d99e6bec0), _957084)
   Exit: (218) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _959788)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _967526)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _970230)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _988080)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _993650)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _995508)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1009662)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _993650)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1015232)
   Exit: (218) [system] peek_char((0x558d99e6bec0), :)
   Call: (218) [system] (:)=(;)
   Fail: (218) [system] (:)=(;)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Fail: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Fail: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Fail: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
   Fail: (219) [system] char_type(:, cntrl)
^  Fail: (218) [user] is_like_space(:)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1029386)
   Exit: (217) [system] peek_char((0x558d99e6bec0), :)
   Call: (217) [system] (:)=')'
   Fail: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
   Fail: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1034956)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1036814)
   Exit: (219) [system] peek_char((0x558d99e6bec0), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1050968)
   Exit: (218) [system] get_char((0x558d99e6bec0), :)
   Call: (218) [system] (:)='('
   Fail: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Fail: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Fail: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Fail: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Fail: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Fail: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Fail: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), :, _1034956)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1068610)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1069544)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1068610=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq(:, [], _1034956)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1078854, _1078856), once(user:catch(read_from_chars([:], _1034956), _1078830, fail)), '$restore_trace'(_1078854, _1078856))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1078854, _1078856))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1078830, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1086354)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1088212)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1095950)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1098654)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1113732)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1119302)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1121160)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1135314)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1119302)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1140884)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1155038)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1160608)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1162466)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1176620)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1160608)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1194262)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1195196)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1199916, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1200848, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1208198)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1209132)
   Exit: (224) [system] peek_char((0x558d99e6bec0), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_1213852, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_1214784, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x558d99e6bec0), s)
   Exit: (224) [system] get_char((0x558d99e6bec0), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1222134)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1223068)
   Exit: (225) [system] peek_char((0x558d99e6bec0), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_1227788, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_1228720, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x558d99e6bec0), j)
   Exit: (225) [system] get_char((0x558d99e6bec0), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1236070)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1237004)
   Exit: (226) [system] peek_char((0x558d99e6bec0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1241724, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1242656, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x558d99e6bec0), u)
   Exit: (226) [system] get_char((0x558d99e6bec0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1250006)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1250940)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1255660, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1256592, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1263942)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1264876)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1269596, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1270528, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1277878)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1278812)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1283532, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1284464, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1291814)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1292748)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1297468, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1298400, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1305750)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1306684)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1311404, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1312336, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1319686)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1320620)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1325340, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1326272, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1333622)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1334556)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_1339276, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_1340208, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (233) [system] get_char((0x558d99e6bec0), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1347558)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1348492)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1353212, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1354144, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1361494)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1362428)
   Exit: (235) [system] peek_char((0x558d99e6bec0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1367148, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1368080, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x558d99e6bec0), t)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1375430)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1376364)
   Exit: (236) [system] peek_char((0x558d99e6bec0), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_1381084, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_1382016, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x558d99e6bec0), r)
   Exit: (236) [system] get_char((0x558d99e6bec0), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1389366)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1390300)
   Exit: (237) [system] peek_char((0x558d99e6bec0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1395020, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1395952, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x558d99e6bec0), o)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1403302)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1404236)
   Exit: (238) [system] peek_char((0x558d99e6bec0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1408956, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_1409888, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x558d99e6bec0), d)
   Exit: (238) [system] get_char((0x558d99e6bec0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1417238)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1418172)
   Exit: (239) [system] peek_char((0x558d99e6bec0), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_1422892, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_1423824, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x558d99e6bec0), u)
   Exit: (239) [system] get_char((0x558d99e6bec0), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1431174)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1432108)
   Exit: (240) [system] peek_char((0x558d99e6bec0), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1436828, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_1437760, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x558d99e6bec0), c)
   Exit: (240) [system] get_char((0x558d99e6bec0), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1445110)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1446044)
   Exit: (241) [system] peek_char((0x558d99e6bec0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1450764, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1451696, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x558d99e6bec0), t)
   Exit: (241) [system] get_char((0x558d99e6bec0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1459046)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1459980)
   Exit: (242) [system] peek_char((0x558d99e6bec0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1464700, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_1465632, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x558d99e6bec0), i)
   Exit: (242) [system] get_char((0x558d99e6bec0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1472982)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1473916)
   Exit: (243) [system] peek_char((0x558d99e6bec0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1478636, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1479568, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x558d99e6bec0), o)
   Exit: (243) [system] get_char((0x558d99e6bec0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1486918)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1487852)
   Exit: (244) [system] peek_char((0x558d99e6bec0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1492572, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_1493504, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x558d99e6bec0), n)
   Exit: (244) [system] get_char((0x558d99e6bec0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1500854)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1501788)
   Exit: (245) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1500854=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (244) [system] _1486918=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (243) [system] _1472982=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (242) [system] _1459046=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (241) [system] _1445110=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (240) [system] _1431174=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (239) [system] _1417238=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (238) [system] _1403302=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (237) [system] _1389366=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _1375430=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1361494=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1347558=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1333622=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1319686=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1305750=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1291814=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1277878=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1263942=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1250006=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1236070=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1222134=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1208198=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1194262=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1160608)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1572566, _1572568), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1160608), _1572542, fail)), '$restore_trace'(_1572566, _1572568))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1572566, _1572568))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1160608), _1572542, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1160608)
   Fail: (223) [system] atomic(_1160608)
   Call: (223) [system] atom_chars(_1160608, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1581942)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1583800)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1591538)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1594242)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1609320)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
   Call: (221) [system] c=')'
   Fail: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
   Fail: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1614890)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1616748)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(;)
   Fail: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Fail: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Fail: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
   Fail: (224) [system] char_type(c, cntrl)
^  Fail: (223) [user] is_like_space(c)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1630902)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c='('
   Fail: (222) [system] c='('
   Call: (222) [system] c='['
   Fail: (222) [system] c='['
   Call: (222) [system] c='{'
   Fail: (222) [system] c='{'
   Call: (222) [system] c='"'
   Fail: (222) [system] c='"'
   Call: (222) [system] c=!
   Fail: (222) [system] c=!
   Call: (222) [system] c='\''
   Fail: (222) [system] c='\''
   Call: (222) [system] c='`'
   Fail: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), c, _1614890)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1648544)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1649478)
   Exit: (224) [system] peek_char((0x558d99e6bec0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1654198, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1655130, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x558d99e6bec0), d)
   Exit: (224) [system] get_char((0x558d99e6bec0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1662480)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1663414)
   Exit: (225) [system] peek_char((0x558d99e6bec0), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Fail: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_1668134, v('(', ')', end_of_file), e)
   Fail: (226) [system] arg(_1669066, v('(', ')', end_of_file), e)
^  Fail: (225) [user] is_delimiter(e)
   Call: (225) [system] ')'==e
   Fail: (225) [system] ')'==e
   Call: (225) [system] get_char((0x558d99e6bec0), e)
   Exit: (225) [system] get_char((0x558d99e6bec0), e)
   Call: (225) [system] e=(\)
   Fail: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1676416)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1677350)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1676416=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1662480=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (224) [system] _1648544=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (223) [user] classify_and_convert_charseq(c, [d, e], _1614890)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1692248, _1692250), once(user:catch(read_from_chars([c, d, e], _1614890), _1692224, fail)), '$restore_trace'(_1692248, _1692250))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1692248, _1692250))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1692224, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1699748)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1701606)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1709344)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1712048)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1727126)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1732696)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1734554)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1748708)
   Exit: (223) [system] get_char((0x558d99e6bec0), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), a, _1732696)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766350)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1767284)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1772004, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1766350=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq(a, [], _1732696)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1778466, _1778468), once(user:catch(read_from_chars([a], _1732696), _1778442, fail)), '$restore_trace'(_1778466, _1778468))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1778466, _1778468))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1778442, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1785966)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1787824)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1801978)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _1805768)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _1785966=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1699748=[a]
   Exit: (222) [system] [a]=[a]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (221) [system] _1581942=[cde, a]
   Exit: (221) [system] [cde, a]=[cde, a]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [cde, a])
   Call: (220) [system] _1119302=['DisjunctionIntroduction', cde, a]
   Exit: (220) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1819650)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1821508)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1829246)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1831950)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1847028)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1852598)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1854456)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1868610)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1852598)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1874180)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1888334)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1893904)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1895762)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1909916)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1893904)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1927558)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1928492)
   Exit: (224) [system] peek_char((0x558d99e6bec0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1933212, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1934144, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x558d99e6bec0), r)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1941494)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1942428)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1947148, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_1948080, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1955430)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1956364)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1961084, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1962016, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1969366)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1970300)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1975020, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1975952, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1983302)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1984236)
   Exit: (228) [system] peek_char((0x558d99e6bec0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_1988956, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_1989888, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x558d99e6bec0), k)
   Exit: (228) [system] get_char((0x558d99e6bec0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1997238)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1998172)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1997238=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1983302=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (227) [system] _1969366=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (226) [system] _1955430=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (225) [system] _1941494=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (224) [system] _1927558=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1893904)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_2021452, _2021454), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1893904), _2021428, fail)), '$restore_trace'(_2021452, _2021454))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_2021452, _2021454))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1893904), _2021428, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1893904)
   Fail: (224) [system] atomic(_1893904)
   Call: (224) [system] atom_chars(_1893904, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _2030828)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2032686)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _2040424)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2043128)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2058206)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _2063776)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2065634)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _2079788)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _2063776)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2085358)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _8576)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=')'
   Fail: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _14146)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _16004)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _30158)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'='('
   Fail: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Fail: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Fail: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Fail: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Fail: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Fail: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Fail: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _14146)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _47800)
   Call: (227) [system] peek_char((0x558d99e6bec0), _48734)
   Exit: (227) [system] peek_char((0x558d99e6bec0), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Fail: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_53454, v('(', ')', end_of_file), m)
   Fail: (228) [system] arg(_54386, v('(', ')', end_of_file), m)
^  Fail: (227) [user] is_delimiter(m)
   Call: (227) [system] ')'==m
   Fail: (227) [system] ')'==m
   Call: (227) [system] get_char((0x558d99e6bec0), m)
   Exit: (227) [system] get_char((0x558d99e6bec0), m)
   Call: (227) [system] m=(\)
   Fail: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _61736)
   Call: (228) [system] peek_char((0x558d99e6bec0), _62670)
   Exit: (228) [system] peek_char((0x558d99e6bec0), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Fail: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_67390, v('(', ')', end_of_file), p)
   Fail: (229) [system] arg(_68322, v('(', ')', end_of_file), p)
^  Fail: (228) [user] is_delimiter(p)
   Call: (228) [system] ')'==p
   Fail: (228) [system] ')'==p
   Call: (228) [system] get_char((0x558d99e6bec0), p)
   Exit: (228) [system] get_char((0x558d99e6bec0), p)
   Call: (228) [system] p=(\)
   Fail: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _75672)
   Call: (229) [system] peek_char((0x558d99e6bec0), _76606)
   Exit: (229) [system] peek_char((0x558d99e6bec0), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Fail: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_81326, v('(', ')', end_of_file), l)
   Fail: (230) [system] arg(_82258, v('(', ')', end_of_file), l)
^  Fail: (229) [user] is_delimiter(l)
   Call: (229) [system] ')'==l
   Fail: (229) [system] ')'==l
   Call: (229) [system] get_char((0x558d99e6bec0), l)
   Exit: (229) [system] get_char((0x558d99e6bec0), l)
   Call: (229) [system] l=(\)
   Fail: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _89608)
   Call: (230) [system] peek_char((0x558d99e6bec0), _90542)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_95262, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_96194, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _103544)
   Call: (231) [system] peek_char((0x558d99e6bec0), _104478)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_109198, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_110130, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x558d99e6bec0), c)
   Exit: (231) [system] get_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _117480)
   Call: (232) [system] peek_char((0x558d99e6bec0), _118414)
   Exit: (232) [system] peek_char((0x558d99e6bec0), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_123134, v('(', ')', end_of_file), a)
   Fail: (233) [system] arg(_124066, v('(', ')', end_of_file), a)
^  Fail: (232) [user] is_delimiter(a)
   Call: (232) [system] ')'==a
   Fail: (232) [system] ')'==a
   Call: (232) [system] get_char((0x558d99e6bec0), a)
   Exit: (232) [system] get_char((0x558d99e6bec0), a)
   Call: (232) [system] a=(\)
   Fail: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _131416)
   Call: (233) [system] peek_char((0x558d99e6bec0), _132350)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_137070, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_138002, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _145352)
   Call: (234) [system] peek_char((0x558d99e6bec0), _146286)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_151006, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_151938, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _159288)
   Call: (235) [system] peek_char((0x558d99e6bec0), _160222)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_164942, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_165874, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _173224)
   Call: (236) [system] peek_char((0x558d99e6bec0), _174158)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_178878, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_179810, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _187160)
   Call: (237) [system] peek_char((0x558d99e6bec0), _188094)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _187160=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (236) [system] _173224=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (235) [system] _159288=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (234) [system] _145352=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (233) [system] _131416=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (232) [system] _117480=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (231) [system] _103544=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (230) [system] _89608=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (229) [system] _75672=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _61736=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _47800=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _14146)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_225344, _225346), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _14146), _225320, fail)), '$restore_trace'(_225344, _225346))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_225344, _225346))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _14146), _225320, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_14146)
   Fail: (227) [system] atomic(_14146)
   Call: (227) [system] atom_chars(_14146, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _234720)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _236578)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _244316)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _247020)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _262098)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _267668)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _269526)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _283680)
   Exit: (226) [system] get_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _267668)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _289250)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _303404)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _308974)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _310832)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _324986)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _308974)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _342628)
   Call: (230) [system] peek_char((0x558d99e6bec0), _343562)
   Exit: (230) [system] peek_char((0x558d99e6bec0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_348282, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_349214, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x558d99e6bec0), r)
   Exit: (230) [system] get_char((0x558d99e6bec0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _356564)
   Call: (231) [system] peek_char((0x558d99e6bec0), _357498)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_362218, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_363150, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _370500)
   Call: (232) [system] peek_char((0x558d99e6bec0), _371434)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_376154, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_377086, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _384436)
   Call: (233) [system] peek_char((0x558d99e6bec0), _385370)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_390090, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_391022, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _398372)
   Call: (234) [system] peek_char((0x558d99e6bec0), _399306)
   Exit: (234) [system] peek_char((0x558d99e6bec0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_404026, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_404958, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x558d99e6bec0), k)
   Exit: (234) [system] get_char((0x558d99e6bec0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _412308)
   Call: (235) [system] peek_char((0x558d99e6bec0), _413242)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _412308=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _398372=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (233) [system] _384436=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (232) [system] _370500=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (231) [system] _356564=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (230) [system] _342628=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _308974)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_436522, _436524), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _308974), _436498, fail)), '$restore_trace'(_436522, _436524))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_436522, _436524))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _308974), _436498, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_308974)
   Fail: (230) [system] atomic(_308974)
   Call: (230) [system] atom_chars(_308974, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _445898)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _447756)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _455494)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _458198)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _473276)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (228) [system] 'C'=')'
   Fail: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
   Fail: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _478846)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _480704)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'=(;)
   Fail: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Fail: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Fail: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Fail: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
   Fail: (231) [system] char_type('C', cntrl)
^  Fail: (230) [user] is_like_space('C')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _494858)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'='('
   Fail: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Fail: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Fail: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Fail: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Fail: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Fail: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Fail: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _478846)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _512500)
   Call: (231) [system] peek_char((0x558d99e6bec0), _513434)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _512500=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('C', [], _478846)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_522744, _522746), once(user:catch(read_from_chars(['C'], _478846), _522720, fail)), '$restore_trace'(_522744, _522746))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_522744, _522746))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _478846), _522720, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_478846)
   Fail: (231) [system] atomic(_478846)
   Call: (231) [system] atom_chars(_478846, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _532120)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _533978)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _541716)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _544420)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _559498)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _565068)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _566926)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _581080)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _565068)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _598722)
   Call: (232) [system] peek_char((0x558d99e6bec0), _599656)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_604376, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _598722=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq('D', [], _565068)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_610838, _610840), once(user:catch(read_from_chars(['D'], _565068), _610814, fail)), '$restore_trace'(_610838, _610840))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_610838, _610840))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _565068), _610814, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_565068)
   Fail: (232) [system] atomic(_565068)
   Call: (232) [system] atom_chars(_565068, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _620214)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _622072)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _636226)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x558d99e6bec0), _640016)
   Exit: (230) [system] get_char((0x558d99e6bec0), ')')
   Call: (230) [system] _620214=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (229) [system] _532120=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (228) [system] _445898=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (227) [system] _267668=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _653898)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _655756)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _663494)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _666198)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _681276)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (226) [system] 'E'=')'
   Fail: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
   Fail: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _686846)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _688704)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (228) [system] 'E'=(;)
   Fail: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Fail: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Fail: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Fail: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
   Fail: (229) [system] char_type('E', cntrl)
^  Fail: (228) [user] is_like_space('E')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _702858)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'E')
   Call: (227) [system] 'E'='('
   Fail: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Fail: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Fail: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Fail: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Fail: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Fail: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Fail: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _686846)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _720500)
   Call: (229) [system] peek_char((0x558d99e6bec0), _721434)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_726154, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _720500=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('E', [], _686846)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_732616, _732618), once(user:catch(read_from_chars(['E'], _686846), _732592, fail)), '$restore_trace'(_732616, _732618))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_732616, _732618))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _686846), _732592, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_686846)
   Fail: (229) [system] atomic(_686846)
   Call: (229) [system] atom_chars(_686846, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _741992)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _743850)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _758004)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _761794)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _741992=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _653898=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (225) [system] _234720=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _5924=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _775676)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _777534)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _785272)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _787976)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _803054)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _808624)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _810482)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _824636)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _808624)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _842278)
   Call: (226) [system] peek_char((0x558d99e6bec0), _843212)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_847932, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _842278=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _808624)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_854394, _854396), once(user:catch(read_from_chars(['A'], _808624), _854370, fail)), '$restore_trace'(_854394, _854396))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_854394, _854396))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _808624), _854370, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_808624)
   Fail: (226) [system] atomic(_808624)
   Call: (226) [system] atom_chars(_808624, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _863770)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _865628)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _879782)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _883572)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _863770=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _775676=['A']
   Exit: (223) [system] ['A']=['A']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (222) [system] _5920=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (221) [system] _5912=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (221) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _897454)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _899312)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _913466)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _917256)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _897454=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _5908=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (219) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (218) [system] _5884=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (218) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (217) [system] _5876=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _931138)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _932996)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (217) [system] '\n'=(;)
   Fail: (217) [system] '\n'=(;)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Fail: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x558d99e6bec0), _942590)
   Exit: (217) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _945294)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (218) [system] '\t'=(;)
   Fail: (218) [system] '\t'=(;)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x558d99e6bec0), _953032)
   Exit: (218) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _955736)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x558d99e6bec0), _963474)
   Exit: (219) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _966178)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _973916)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _976620)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _994470)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1000040)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1001898)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1016052)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1000040)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1021622)
   Exit: (219) [system] peek_char((0x558d99e6bec0), :)
   Call: (219) [system] (:)=(;)
   Fail: (219) [system] (:)=(;)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Fail: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Fail: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Fail: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
   Fail: (220) [system] char_type(:, cntrl)
^  Fail: (219) [user] is_like_space(:)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1035776)
   Exit: (218) [system] peek_char((0x558d99e6bec0), :)
   Call: (218) [system] (:)=')'
   Fail: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
   Fail: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1041346)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1043204)
   Exit: (220) [system] peek_char((0x558d99e6bec0), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1057358)
   Exit: (219) [system] get_char((0x558d99e6bec0), :)
   Call: (219) [system] (:)='('
   Fail: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Fail: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Fail: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Fail: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Fail: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Fail: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Fail: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), :, _1041346)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1075000)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1075934)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1075000=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq(:, [], _1041346)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1085244, _1085246), once(user:catch(read_from_chars([:], _1041346), _1085220, fail)), '$restore_trace'(_1085244, _1085246))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1085244, _1085246))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1085220, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1092744)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1094602)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1102340)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1105044)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1120122)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1125692)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1127550)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1141704)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1125692)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1147274)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1161428)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1166998)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1168856)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1183010)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1166998)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1200652)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1201586)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1206306, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1207238, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1214588)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1215522)
   Exit: (225) [system] peek_char((0x558d99e6bec0), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_1220242, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_1221174, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x558d99e6bec0), s)
   Exit: (225) [system] get_char((0x558d99e6bec0), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1228524)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1229458)
   Exit: (226) [system] peek_char((0x558d99e6bec0), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_1234178, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_1235110, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x558d99e6bec0), j)
   Exit: (226) [system] get_char((0x558d99e6bec0), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1242460)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1243394)
   Exit: (227) [system] peek_char((0x558d99e6bec0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1248114, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1249046, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x558d99e6bec0), u)
   Exit: (227) [system] get_char((0x558d99e6bec0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1256396)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1257330)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1262050, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1262982, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1270332)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1271266)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1275986, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1276918, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x558d99e6bec0), c)
   Exit: (229) [system] get_char((0x558d99e6bec0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1284268)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1285202)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1289922, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1290854, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1298204)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1299138)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1303858, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1304790, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1312140)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1313074)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1317794, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1318726, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1326076)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1327010)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1331730, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1332662, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1340012)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1340946)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_1345666, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_1346598, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (234) [system] get_char((0x558d99e6bec0), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1353948)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1354882)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1359602, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1360534, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1367884)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1368818)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1373538, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1374470, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1381820)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1382754)
   Exit: (237) [system] peek_char((0x558d99e6bec0), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1387474, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_1388406, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x558d99e6bec0), r)
   Exit: (237) [system] get_char((0x558d99e6bec0), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1395756)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1396690)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1401410, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1402342, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1409692)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1410626)
   Exit: (239) [system] peek_char((0x558d99e6bec0), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1415346, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_1416278, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x558d99e6bec0), d)
   Exit: (239) [system] get_char((0x558d99e6bec0), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1423628)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1424562)
   Exit: (240) [system] peek_char((0x558d99e6bec0), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_1429282, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_1430214, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x558d99e6bec0), u)
   Exit: (240) [system] get_char((0x558d99e6bec0), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1437564)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1438498)
   Exit: (241) [system] peek_char((0x558d99e6bec0), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1443218, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_1444150, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x558d99e6bec0), c)
   Exit: (241) [system] get_char((0x558d99e6bec0), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1451500)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1452434)
   Exit: (242) [system] peek_char((0x558d99e6bec0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1457154, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1458086, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x558d99e6bec0), t)
   Exit: (242) [system] get_char((0x558d99e6bec0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1465436)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1466370)
   Exit: (243) [system] peek_char((0x558d99e6bec0), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1471090, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_1472022, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x558d99e6bec0), i)
   Exit: (243) [system] get_char((0x558d99e6bec0), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1479372)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1480306)
   Exit: (244) [system] peek_char((0x558d99e6bec0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1485026, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1485958, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x558d99e6bec0), o)
   Exit: (244) [system] get_char((0x558d99e6bec0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1493308)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1494242)
   Exit: (245) [system] peek_char((0x558d99e6bec0), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1498962, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_1499894, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x558d99e6bec0), n)
   Exit: (245) [system] get_char((0x558d99e6bec0), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1507244)
   Call: (246) [system] peek_char((0x558d99e6bec0), _1508178)
   Exit: (246) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1507244=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (245) [system] _1493308=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (244) [system] _1479372=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (243) [system] _1465436=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (242) [system] _1451500=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (241) [system] _1437564=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (240) [system] _1423628=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (239) [system] _1409692=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (238) [system] _1395756=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _1381820=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1367884=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1353948=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1340012=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1326076=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1312140=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1298204=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1284268=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1270332=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1256396=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1242460=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1228524=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1214588=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1200652=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1166998)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1578956, _1578958), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1166998), _1578932, fail)), '$restore_trace'(_1578956, _1578958))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1578956, _1578958))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1166998), _1578932, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1166998)
   Fail: (224) [system] atomic(_1166998)
   Call: (224) [system] atom_chars(_1166998, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1588332)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1590190)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1597928)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1600632)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1615710)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1621280)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1623138)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1637292)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), c, _1621280)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1654934)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1655868)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1660588, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1661520, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1668870)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1669804)
   Exit: (226) [system] peek_char((0x558d99e6bec0), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_1674524, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_1675456, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x558d99e6bec0), e)
   Exit: (226) [system] get_char((0x558d99e6bec0), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1682806)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1683740)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1682806=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1668870=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (225) [system] _1654934=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (224) [user] classify_and_convert_charseq(c, [d, e], _1621280)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1698638, _1698640), once(user:catch(read_from_chars([c, d, e], _1621280), _1698614, fail)), '$restore_trace'(_1698638, _1698640))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1698638, _1698640))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1698614, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1706138)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1707996)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1715734)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1718438)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1733516)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1739086)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1740944)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1755098)
   Exit: (224) [system] get_char((0x558d99e6bec0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, _1739086)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1772740)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1773674)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1778394, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1772740=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq(a, [], _1739086)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1784856, _1784858), once(user:catch(read_from_chars([a], _1739086), _1784832, fail)), '$restore_trace'(_1784856, _1784858))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1784856, _1784858))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1784832, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1792356)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1794214)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1808368)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _1812158)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _1792356=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1706138=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (222) [system] _1588332=[cde, a]
   Exit: (222) [system] [cde, a]=[cde, a]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [cde, a])
   Call: (221) [system] _1125692=['DisjunctionIntroduction', cde, a]
   Exit: (221) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1826040)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1827898)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1835636)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1838340)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1853418)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1858988)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1860846)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1875000)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1858988)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1880570)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1894724)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1900294)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1902152)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1916306)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1900294)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1933948)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1934882)
   Exit: (225) [system] peek_char((0x558d99e6bec0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1939602, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1940534, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x558d99e6bec0), r)
   Exit: (225) [system] get_char((0x558d99e6bec0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1947884)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1948818)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1953538, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1954470, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1961820)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1962754)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1967474, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1968406, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1975756)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1976690)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1981410, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1982342, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1989692)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1990626)
   Exit: (229) [system] peek_char((0x558d99e6bec0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1995346, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1996278, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x558d99e6bec0), k)
   Exit: (229) [system] get_char((0x558d99e6bec0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2003628)
   Call: (230) [system] peek_char((0x558d99e6bec0), _2004562)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _2003628=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _1989692=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (228) [system] _1975756=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (227) [system] _1961820=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (226) [system] _1947884=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (225) [system] _1933948=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1900294)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_2027842, _2027844), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1900294), _2027818, fail)), '$restore_trace'(_2027842, _2027844))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_2027842, _2027844))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1900294), _2027818, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1900294)
   Fail: (225) [system] atomic(_1900294)
   Call: (225) [system] atom_chars(_1900294, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _2037218)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2039076)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _2046814)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2049518)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2064596)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _2070166)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2072024)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _2086178)
   Exit: (224) [system] get_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _2070166)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2091748)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _15190)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _20760)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _22618)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _36772)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _20760)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _54414)
   Call: (228) [system] peek_char((0x558d99e6bec0), _55348)
   Exit: (228) [system] peek_char((0x558d99e6bec0), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_60068, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_61000, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x558d99e6bec0), m)
   Exit: (228) [system] get_char((0x558d99e6bec0), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68350)
   Call: (229) [system] peek_char((0x558d99e6bec0), _69284)
   Exit: (229) [system] peek_char((0x558d99e6bec0), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_74004, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_74936, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x558d99e6bec0), p)
   Exit: (229) [system] get_char((0x558d99e6bec0), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _82286)
   Call: (230) [system] peek_char((0x558d99e6bec0), _83220)
   Exit: (230) [system] peek_char((0x558d99e6bec0), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_87940, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_88872, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x558d99e6bec0), l)
   Exit: (230) [system] get_char((0x558d99e6bec0), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _96222)
   Call: (231) [system] peek_char((0x558d99e6bec0), _97156)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_101876, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_102808, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _110158)
   Call: (232) [system] peek_char((0x558d99e6bec0), _111092)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_115812, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_116744, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _124094)
   Call: (233) [system] peek_char((0x558d99e6bec0), _125028)
   Exit: (233) [system] peek_char((0x558d99e6bec0), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_129748, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_130680, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x558d99e6bec0), a)
   Exit: (233) [system] get_char((0x558d99e6bec0), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _138030)
   Call: (234) [system] peek_char((0x558d99e6bec0), _138964)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_143684, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_144616, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _151966)
   Call: (235) [system] peek_char((0x558d99e6bec0), _152900)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_157620, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_158552, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _165902)
   Call: (236) [system] peek_char((0x558d99e6bec0), _166836)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_171556, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_172488, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _179838)
   Call: (237) [system] peek_char((0x558d99e6bec0), _180772)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_185492, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_186424, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _193774)
   Call: (238) [system] peek_char((0x558d99e6bec0), _194708)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _193774=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (237) [system] _179838=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (236) [system] _165902=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (235) [system] _151966=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (234) [system] _138030=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (233) [system] _124094=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (232) [system] _110158=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (231) [system] _96222=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (230) [system] _82286=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _68350=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _54414=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _20760)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_231958, _231960), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _20760), _231934, fail)), '$restore_trace'(_231958, _231960))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_231958, _231960))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _20760), _231934, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_20760)
   Fail: (228) [system] atomic(_20760)
   Call: (228) [system] atom_chars(_20760, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _241334)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _243192)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _250930)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _253634)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _268712)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _274282)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _276140)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _290294)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _274282)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _295864)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _310018)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _315588)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _317446)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _331600)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _315588)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _349242)
   Call: (231) [system] peek_char((0x558d99e6bec0), _350176)
   Exit: (231) [system] peek_char((0x558d99e6bec0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_354896, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_355828, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x558d99e6bec0), r)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _363178)
   Call: (232) [system] peek_char((0x558d99e6bec0), _364112)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_368832, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_369764, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (232) [system] get_char((0x558d99e6bec0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _377114)
   Call: (233) [system] peek_char((0x558d99e6bec0), _378048)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_382768, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_383700, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _391050)
   Call: (234) [system] peek_char((0x558d99e6bec0), _391984)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_396704, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_397636, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _404986)
   Call: (235) [system] peek_char((0x558d99e6bec0), _405920)
   Exit: (235) [system] peek_char((0x558d99e6bec0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_410640, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_411572, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x558d99e6bec0), k)
   Exit: (235) [system] get_char((0x558d99e6bec0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _418922)
   Call: (236) [system] peek_char((0x558d99e6bec0), _419856)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _418922=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _404986=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (234) [system] _391050=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (233) [system] _377114=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (232) [system] _363178=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (231) [system] _349242=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _315588)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_443136, _443138), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _315588), _443112, fail)), '$restore_trace'(_443136, _443138))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_443136, _443138))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _315588), _443112, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_315588)
   Fail: (231) [system] atomic(_315588)
   Call: (231) [system] atom_chars(_315588, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _452512)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _454370)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _462108)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _464812)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _479890)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _485460)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _487318)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _501472)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _485460)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _519114)
   Call: (232) [system] peek_char((0x558d99e6bec0), _520048)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _519114=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _485460)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_529358, _529360), once(user:catch(read_from_chars(['C'], _485460), _529334, fail)), '$restore_trace'(_529358, _529360))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_529358, _529360))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _485460), _529334, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_485460)
   Fail: (232) [system] atomic(_485460)
   Call: (232) [system] atom_chars(_485460, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _538734)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _540592)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _548330)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _551034)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _566112)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _571682)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _573540)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _587694)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _571682)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _605336)
   Call: (233) [system] peek_char((0x558d99e6bec0), _606270)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_610990, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _605336=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (232) [user] classify_and_convert_charseq('D', [], _571682)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_617452, _617454), once(user:catch(read_from_chars(['D'], _571682), _617428, fail)), '$restore_trace'(_617452, _617454))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_617452, _617454))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _571682), _617428, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_571682)
   Fail: (233) [system] atomic(_571682)
   Call: (233) [system] atom_chars(_571682, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _626828)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _628686)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _642840)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x558d99e6bec0), _646630)
   Exit: (231) [system] get_char((0x558d99e6bec0), ')')
   Call: (231) [system] _626828=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (230) [system] _538734=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (229) [system] _452512=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (228) [system] _274282=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _660512)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _662370)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _670108)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _672812)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _687890)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _693460)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _695318)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _709472)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _693460)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _727114)
   Call: (230) [system] peek_char((0x558d99e6bec0), _728048)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_732768, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _727114=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('E', [], _693460)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_739230, _739232), once(user:catch(read_from_chars(['E'], _693460), _739206, fail)), '$restore_trace'(_739230, _739232))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_739230, _739232))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _693460), _739206, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_693460)
   Fail: (230) [system] atomic(_693460)
   Call: (230) [system] atom_chars(_693460, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _748606)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _750464)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _764618)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x558d99e6bec0), _768408)
   Exit: (228) [system] get_char((0x558d99e6bec0), ')')
   Call: (228) [system] _748606=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (227) [system] _660512=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (226) [system] _241334=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _6020=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _782290)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _784148)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _791886)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _794590)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _809668)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _815238)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _817096)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _831250)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _815238)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _848892)
   Call: (227) [system] peek_char((0x558d99e6bec0), _849826)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_854546, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _848892=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _815238)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_861008, _861010), once(user:catch(read_from_chars(['B'], _815238), _860984, fail)), '$restore_trace'(_861008, _861010))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_861008, _861010))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _815238), _860984, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_815238)
   Fail: (227) [system] atomic(_815238)
   Call: (227) [system] atom_chars(_815238, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _870384)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _872242)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _886396)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _890186)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _870384=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _782290=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (223) [system] _6016=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (222) [system] _6008=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (222) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _904068)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _905926)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _920080)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _923870)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _904068=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _6004=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (220) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (219) [system] _5980=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (219) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (218) [system] _5972=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (218) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _937752)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _939610)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (218) [system] '\n'=(;)
   Fail: (218) [system] '\n'=(;)
^  Call: (218) [user] is_like_space('\n')
   Call: (219) [system] char_type('\n', 'white')
   Fail: (219) [system] char_type('\n', 'white')
   Call: (219) [system] char_type('\n', end_of_line)
   Exit: (219) [system] char_type('\n', end_of_line)
^  Exit: (218) [user] is_like_space('\n')
   Call: (218) [system] get_char((0x558d99e6bec0), _949204)
   Exit: (218) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _951908)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (219) [system] '\t'=(;)
   Fail: (219) [system] '\t'=(;)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x558d99e6bec0), _959646)
   Exit: (219) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _962350)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x558d99e6bec0), _970088)
   Exit: (220) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _972792)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _980530)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _983234)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1001084)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1006654)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1008512)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1022666)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1006654)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1028236)
   Exit: (220) [system] peek_char((0x558d99e6bec0), :)
   Call: (220) [system] (:)=(;)
   Fail: (220) [system] (:)=(;)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Fail: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Fail: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Fail: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
   Fail: (221) [system] char_type(:, cntrl)
^  Fail: (220) [user] is_like_space(:)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1042390)
   Exit: (219) [system] peek_char((0x558d99e6bec0), :)
   Call: (219) [system] (:)=')'
   Fail: (219) [system] (:)=')'
   Call: (219) [system] (:)=end_of_file
   Fail: (219) [system] (:)=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1047960)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1049818)
   Exit: (221) [system] peek_char((0x558d99e6bec0), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1063972)
   Exit: (220) [system] get_char((0x558d99e6bec0), :)
   Call: (220) [system] (:)='('
   Fail: (220) [system] (:)='('
   Call: (220) [system] (:)='['
   Fail: (220) [system] (:)='['
   Call: (220) [system] (:)='{'
   Fail: (220) [system] (:)='{'
   Call: (220) [system] (:)='"'
   Fail: (220) [system] (:)='"'
   Call: (220) [system] (:)=!
   Fail: (220) [system] (:)=!
   Call: (220) [system] (:)='\''
   Fail: (220) [system] (:)='\''
   Call: (220) [system] (:)='`'
   Fail: (220) [system] (:)='`'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), :, _1047960)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1081614)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1082548)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1081614=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq(:, [], _1047960)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1091858, _1091860), once(user:catch(read_from_chars([:], _1047960), _1091834, fail)), '$restore_trace'(_1091858, _1091860))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1091858, _1091860))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1091834, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1099358)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1101216)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1108954)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1111658)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1126736)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1132306)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1134164)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1148318)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1132306)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1153888)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1168042)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1173612)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1175470)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1189624)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1173612)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1207266)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1208200)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1212920, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1213852, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1221202)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1222136)
   Exit: (226) [system] peek_char((0x558d99e6bec0), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Fail: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_1226856, v('(', ')', end_of_file), s)
   Fail: (227) [system] arg(_1227788, v('(', ')', end_of_file), s)
^  Fail: (226) [user] is_delimiter(s)
   Call: (226) [system] ')'==s
   Fail: (226) [system] ')'==s
   Call: (226) [system] get_char((0x558d99e6bec0), s)
   Exit: (226) [system] get_char((0x558d99e6bec0), s)
   Call: (226) [system] s=(\)
   Fail: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1235138)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1236072)
   Exit: (227) [system] peek_char((0x558d99e6bec0), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_1240792, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_1241724, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x558d99e6bec0), j)
   Exit: (227) [system] get_char((0x558d99e6bec0), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1249074)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1250008)
   Exit: (228) [system] peek_char((0x558d99e6bec0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1254728, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1255660, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x558d99e6bec0), u)
   Exit: (228) [system] get_char((0x558d99e6bec0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1263010)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1263944)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1268664, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1269596, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1276946)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1277880)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1282600, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1283532, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1290882)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1291816)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1296536, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1297468, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1304818)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1305752)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1310472, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1311404, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1318754)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1319688)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1324408, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1325340, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1332690)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1333624)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1338344, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1339276, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1346626)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1347560)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_1352280, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_1353212, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (235) [system] get_char((0x558d99e6bec0), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1360562)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1361496)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1366216, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1367148, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1374498)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1375432)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1380152, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1381084, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1388434)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1389368)
   Exit: (238) [system] peek_char((0x558d99e6bec0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_1394088, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_1395020, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x558d99e6bec0), r)
   Exit: (238) [system] get_char((0x558d99e6bec0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1402370)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1403304)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1408024, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1408956, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1416306)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1417240)
   Exit: (240) [system] peek_char((0x558d99e6bec0), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_1421960, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_1422892, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x558d99e6bec0), d)
   Exit: (240) [system] get_char((0x558d99e6bec0), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1430242)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1431176)
   Exit: (241) [system] peek_char((0x558d99e6bec0), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1435896, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_1436828, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x558d99e6bec0), u)
   Exit: (241) [system] get_char((0x558d99e6bec0), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444178)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1445112)
   Exit: (242) [system] peek_char((0x558d99e6bec0), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1449832, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_1450764, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x558d99e6bec0), c)
   Exit: (242) [system] get_char((0x558d99e6bec0), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1458114)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1459048)
   Exit: (243) [system] peek_char((0x558d99e6bec0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1463768, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1464700, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x558d99e6bec0), t)
   Exit: (243) [system] get_char((0x558d99e6bec0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1472050)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1472984)
   Exit: (244) [system] peek_char((0x558d99e6bec0), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1477704, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_1478636, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x558d99e6bec0), i)
   Exit: (244) [system] get_char((0x558d99e6bec0), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1485986)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1486920)
   Exit: (245) [system] peek_char((0x558d99e6bec0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1491640, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_1492572, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x558d99e6bec0), o)
   Exit: (245) [system] get_char((0x558d99e6bec0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1499922)
   Call: (246) [system] peek_char((0x558d99e6bec0), _1500856)
   Exit: (246) [system] peek_char((0x558d99e6bec0), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1505576, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_1506508, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x558d99e6bec0), n)
   Exit: (246) [system] get_char((0x558d99e6bec0), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1513858)
   Call: (247) [system] peek_char((0x558d99e6bec0), _1514792)
   Exit: (247) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1513858=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (246) [system] _1499922=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (245) [system] _1485986=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (244) [system] _1472050=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (243) [system] _1458114=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (242) [system] _1444178=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (241) [system] _1430242=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (240) [system] _1416306=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (239) [system] _1402370=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _1388434=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1374498=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1360562=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1346626=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1332690=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1318754=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1304818=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1290882=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1276946=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1263010=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1249074=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1235138=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1221202=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1207266=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1173612)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1585570, _1585572), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1173612), _1585546, fail)), '$restore_trace'(_1585570, _1585572))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1585570, _1585572))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1173612), _1585546, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1173612)
   Fail: (225) [system] atomic(_1173612)
   Call: (225) [system] atom_chars(_1173612, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1594946)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1596804)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1604542)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1607246)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1622324)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1627894)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1629752)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1643906)
   Exit: (224) [system] get_char((0x558d99e6bec0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, _1627894)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1661548)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1662482)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1661548=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq(a, [], _1627894)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1671792, _1671794), once(user:catch(read_from_chars([a], _1627894), _1671768, fail)), '$restore_trace'(_1671792, _1671794))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1671792, _1671794))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1671768, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1679292)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1681150)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1688888)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1691592)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1706670)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1712240)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1714098)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1728252)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), a, _1712240)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1745894)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1746828)
   Exit: (227) [system] peek_char((0x558d99e6bec0), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Fail: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_1751548, v('(', ')', end_of_file), b)
   Fail: (228) [system] arg(_1752480, v('(', ')', end_of_file), b)
^  Fail: (227) [user] is_delimiter(b)
   Call: (227) [system] ')'==b
   Fail: (227) [system] ')'==b
   Call: (227) [system] get_char((0x558d99e6bec0), b)
   Exit: (227) [system] get_char((0x558d99e6bec0), b)
   Call: (227) [system] b=(\)
   Fail: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1759830)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1760764)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1765484, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1766416, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1773766)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1774700)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1779420, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1773766=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1759830=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (227) [system] _1745894=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (226) [user] classify_and_convert_charseq(a, [b, c], _1712240)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1791470, _1791472), once(user:catch(read_from_chars([a, b, c], _1712240), _1791446, fail)), '$restore_trace'(_1791470, _1791472))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1791470, _1791472))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1791446, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1798970)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1800828)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1814982)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _1818772)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _1798970=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1679292=[abc]
   Exit: (224) [system] [abc]=[abc]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (223) [system] _1594946=[a, abc]
   Exit: (223) [system] [a, abc]=[a, abc]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [a, abc])
   Call: (222) [system] _1132306=['DisjunctionIntroduction', a, abc]
   Exit: (222) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1832654)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1834512)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1842250)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1844954)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1860032)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1865602)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1867460)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1881614)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1865602)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1887184)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1901338)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1906908)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1908766)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1922920)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1906908)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1940562)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1941496)
   Exit: (226) [system] peek_char((0x558d99e6bec0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1946216, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1947148, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x558d99e6bec0), r)
   Exit: (226) [system] get_char((0x558d99e6bec0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1954498)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1955432)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1960152, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1961084, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1968434)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1969368)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1974088, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1975020, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1982370)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1983304)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1988024, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1988956, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1996306)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1997240)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_2001960, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_2002892, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2010242)
   Call: (231) [system] peek_char((0x558d99e6bec0), _2011176)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _2010242=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1996306=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _1982370=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _1968434=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _1954498=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _1940562=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1906908)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_2034456, _2034458), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1906908), _2034432, fail)), '$restore_trace'(_2034456, _2034458))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_2034456, _2034458))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1906908), _2034432, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1906908)
   Fail: (226) [system] atomic(_1906908)
   Call: (226) [system] atom_chars(_1906908, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _2043832)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2045690)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _2053428)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2056132)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2071210)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _2076780)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2078638)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _2092792)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _6116)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _19754)
   Call: (227) [system] peek_char((0x558d99e6bec0), _20688)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _19754=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _6116)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_29998, _30000), once(user:catch(read_from_chars(['A'], _6116), _29974, fail)), '$restore_trace'(_29998, _30000))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_29998, _30000))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _6116), _29974, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_6116)
   Fail: (227) [system] atomic(_6116)
   Call: (227) [system] atom_chars(_6116, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _39374)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _41232)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _48970)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _51674)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _66752)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _72322)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _74180)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _88334)
   Exit: (226) [system] get_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _72322)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _93904)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (228) [system] 'I'=(;)
   Fail: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Fail: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Fail: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
   Fail: (229) [system] char_type('I', cntrl)
^  Fail: (228) [user] is_like_space('I')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _108058)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (227) [system] 'I'=')'
   Fail: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
   Fail: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _113628)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _115486)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _129640)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'I')
   Call: (228) [system] 'I'='('
   Fail: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Fail: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Fail: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Fail: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Fail: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Fail: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Fail: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _113628)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _147282)
   Call: (230) [system] peek_char((0x558d99e6bec0), _148216)
   Exit: (230) [system] peek_char((0x558d99e6bec0), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Fail: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_152936, v('(', ')', end_of_file), m)
   Fail: (231) [system] arg(_153868, v('(', ')', end_of_file), m)
^  Fail: (230) [user] is_delimiter(m)
   Call: (230) [system] ')'==m
   Fail: (230) [system] ')'==m
   Call: (230) [system] get_char((0x558d99e6bec0), m)
   Exit: (230) [system] get_char((0x558d99e6bec0), m)
   Call: (230) [system] m=(\)
   Fail: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _161218)
   Call: (231) [system] peek_char((0x558d99e6bec0), _162152)
   Exit: (231) [system] peek_char((0x558d99e6bec0), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Fail: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_166872, v('(', ')', end_of_file), p)
   Fail: (232) [system] arg(_167804, v('(', ')', end_of_file), p)
^  Fail: (231) [user] is_delimiter(p)
   Call: (231) [system] ')'==p
   Fail: (231) [system] ')'==p
   Call: (231) [system] get_char((0x558d99e6bec0), p)
   Exit: (231) [system] get_char((0x558d99e6bec0), p)
   Call: (231) [system] p=(\)
   Fail: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _175154)
   Call: (232) [system] peek_char((0x558d99e6bec0), _176088)
   Exit: (232) [system] peek_char((0x558d99e6bec0), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Fail: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_180808, v('(', ')', end_of_file), l)
   Fail: (233) [system] arg(_181740, v('(', ')', end_of_file), l)
^  Fail: (232) [user] is_delimiter(l)
   Call: (232) [system] ')'==l
   Fail: (232) [system] ')'==l
   Call: (232) [system] get_char((0x558d99e6bec0), l)
   Exit: (232) [system] get_char((0x558d99e6bec0), l)
   Call: (232) [system] l=(\)
   Fail: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _189090)
   Call: (233) [system] peek_char((0x558d99e6bec0), _190024)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_194744, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_195676, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _203026)
   Call: (234) [system] peek_char((0x558d99e6bec0), _203960)
   Exit: (234) [system] peek_char((0x558d99e6bec0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_208680, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_209612, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x558d99e6bec0), c)
   Exit: (234) [system] get_char((0x558d99e6bec0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _216962)
   Call: (235) [system] peek_char((0x558d99e6bec0), _217896)
   Exit: (235) [system] peek_char((0x558d99e6bec0), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Fail: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_222616, v('(', ')', end_of_file), a)
   Fail: (236) [system] arg(_223548, v('(', ')', end_of_file), a)
^  Fail: (235) [user] is_delimiter(a)
   Call: (235) [system] ')'==a
   Fail: (235) [system] ')'==a
   Call: (235) [system] get_char((0x558d99e6bec0), a)
   Exit: (235) [system] get_char((0x558d99e6bec0), a)
   Call: (235) [system] a=(\)
   Fail: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _230898)
   Call: (236) [system] peek_char((0x558d99e6bec0), _231832)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_236552, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_237484, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _244834)
   Call: (237) [system] peek_char((0x558d99e6bec0), _245768)
   Exit: (237) [system] peek_char((0x558d99e6bec0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_250488, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_251420, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x558d99e6bec0), i)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _258770)
   Call: (238) [system] peek_char((0x558d99e6bec0), _259704)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_264424, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_265356, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _272706)
   Call: (239) [system] peek_char((0x558d99e6bec0), _273640)
   Exit: (239) [system] peek_char((0x558d99e6bec0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_278360, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_279292, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x558d99e6bec0), n)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _286642)
   Call: (240) [system] peek_char((0x558d99e6bec0), _287576)
   Exit: (240) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _286642=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (239) [system] _272706=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (238) [system] _258770=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (237) [system] _244834=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (236) [system] _230898=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (235) [system] _216962=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (234) [system] _203026=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (233) [system] _189090=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (232) [system] _175154=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _161218=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _147282=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _113628)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_324826, _324828), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _113628), _324802, fail)), '$restore_trace'(_324826, _324828))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_324826, _324828))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _113628), _324802, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_113628)
   Fail: (230) [system] atomic(_113628)
   Call: (230) [system] atom_chars(_113628, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _334202)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _336060)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _343798)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _346502)
   Exit: (230) [system] peek_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _361580)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _367150)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _369008)
   Exit: (230) [system] peek_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _383162)
   Exit: (229) [system] get_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _367150)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _388732)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (231) [system] 'A'=(;)
   Fail: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Fail: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Fail: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Fail: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
   Fail: (232) [system] char_type('A', cntrl)
^  Fail: (231) [user] is_like_space('A')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _402886)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (230) [system] 'A'=')'
   Fail: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
   Fail: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _408456)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _410314)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (232) [system] 'A'=(;)
   Fail: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Fail: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Fail: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Fail: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
   Fail: (233) [system] char_type('A', cntrl)
^  Fail: (232) [user] is_like_space('A')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _424468)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'A')
   Call: (231) [system] 'A'='('
   Fail: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Fail: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Fail: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Fail: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Fail: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Fail: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Fail: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _408456)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _442110)
   Call: (233) [system] peek_char((0x558d99e6bec0), _443044)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_447764, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_448696, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _456046)
   Call: (234) [system] peek_char((0x558d99e6bec0), _456980)
   Exit: (234) [system] peek_char((0x558d99e6bec0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_461700, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_462632, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x558d99e6bec0), d)
   Exit: (234) [system] get_char((0x558d99e6bec0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _469982)
   Call: (235) [system] peek_char((0x558d99e6bec0), _470916)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_475636, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_476568, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (235) [system] get_char((0x558d99e6bec0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _483918)
   Call: (236) [system] peek_char((0x558d99e6bec0), _484852)
   Exit: (236) [system] peek_char((0x558d99e6bec0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_489572, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_490504, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x558d99e6bec0), i)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497854)
   Call: (237) [system] peek_char((0x558d99e6bec0), _498788)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_503508, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_504440, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _511790)
   Call: (238) [system] peek_char((0x558d99e6bec0), _512724)
   Exit: (238) [system] peek_char((0x558d99e6bec0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_517444, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_518376, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x558d99e6bec0), k)
   Exit: (238) [system] get_char((0x558d99e6bec0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _525726)
   Call: (239) [system] peek_char((0x558d99e6bec0), _526660)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _525726=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (238) [system] _511790=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (237) [system] _497854=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (236) [system] _483918=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (235) [system] _469982=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (234) [system] _456046=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (233) [system] _442110=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _408456)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_552734, _552736), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _408456), _552710, fail)), '$restore_trace'(_552734, _552736))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_552734, _552736))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _408456), _552710, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_408456)
   Fail: (233) [system] atomic(_408456)
   Call: (233) [system] atom_chars(_408456, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _562110)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _563968)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x558d99e6bec0), _571706)
   Exit: (232) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _574410)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _589488)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x558d99e6bec0), _595058)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _596916)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] get_char((0x558d99e6bec0), _611070)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _595058)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _628712)
   Call: (234) [system] peek_char((0x558d99e6bec0), _629646)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _628712=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _595058)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_638956, _638958), once(user:catch(read_from_chars(['A'], _595058), _638932, fail)), '$restore_trace'(_638956, _638958))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_638956, _638958))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _595058), _638932, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_595058)
   Fail: (234) [system] atomic(_595058)
   Call: (234) [system] atom_chars(_595058, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _648332)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _650190)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x558d99e6bec0), _657928)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _660632)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _675710)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x558d99e6bec0), _681280)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _683138)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] get_char((0x558d99e6bec0), _697292)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _681280)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _714934)
   Call: (235) [system] peek_char((0x558d99e6bec0), _715868)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_720588, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _714934=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _681280)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_727050, _727052), once(user:catch(read_from_chars(['B'], _681280), _727026, fail)), '$restore_trace'(_727050, _727052))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_727050, _727052))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _681280), _727026, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_681280)
   Fail: (235) [system] atomic(_681280)
   Call: (235) [system] atom_chars(_681280, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (232) [user] read_list(')', (0x558d99e6bec0), _736426)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _738284)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _752438)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x558d99e6bec0), _756228)
   Exit: (233) [system] get_char((0x558d99e6bec0), ')')
   Call: (233) [system] _736426=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (232) [system] _648332=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (231) [system] _562110=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (230) [system] _367150=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _770110)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _771968)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _779706)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _782410)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _797488)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _803058)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _804916)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _819070)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _803058)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _836712)
   Call: (232) [system] peek_char((0x558d99e6bec0), _837646)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_842366, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _836712=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _803058)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_848828, _848830), once(user:catch(read_from_chars(['C'], _803058), _848804, fail)), '$restore_trace'(_848828, _848830))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_848828, _848830))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _803058), _848804, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_803058)
   Fail: (232) [system] atomic(_803058)
   Call: (232) [system] atom_chars(_803058, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _858204)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _860062)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _874216)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x558d99e6bec0), _878006)
   Exit: (230) [system] get_char((0x558d99e6bec0), ')')
   Call: (230) [system] _858204=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (229) [system] _770110=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (228) [system] _334202=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _72322=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _891888)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _893746)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _907900)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _911690)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _891888=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _39374=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _6112=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (223) [system] _6104=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _925572)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _927430)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _941584)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _945374)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _925572=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _6100=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6076=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (219) [system] _6068=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _959256)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _961114)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (219) [system] '\n'=(;)
   Fail: (219) [system] '\n'=(;)
^  Call: (219) [user] is_like_space('\n')
   Call: (220) [system] char_type('\n', 'white')
   Fail: (220) [system] char_type('\n', 'white')
   Call: (220) [system] char_type('\n', end_of_line)
   Exit: (220) [system] char_type('\n', end_of_line)
^  Exit: (219) [user] is_like_space('\n')
   Call: (219) [system] get_char((0x558d99e6bec0), _970708)
   Exit: (219) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _973412)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (220) [system] '\t'=(;)
   Fail: (220) [system] '\t'=(;)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x558d99e6bec0), _981150)
   Exit: (220) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _983854)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x558d99e6bec0), _991592)
   Exit: (221) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _994296)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1002034)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1004738)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1022588)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1028158)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1030016)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1044170)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1028158)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1049740)
   Exit: (221) [system] peek_char((0x558d99e6bec0), :)
   Call: (221) [system] (:)=(;)
   Fail: (221) [system] (:)=(;)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Fail: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Fail: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Fail: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
   Fail: (222) [system] char_type(:, cntrl)
^  Fail: (221) [user] is_like_space(:)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1063894)
   Exit: (220) [system] peek_char((0x558d99e6bec0), :)
   Call: (220) [system] (:)=')'
   Fail: (220) [system] (:)=')'
   Call: (220) [system] (:)=end_of_file
   Fail: (220) [system] (:)=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1069464)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1071322)
   Exit: (222) [system] peek_char((0x558d99e6bec0), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1085476)
   Exit: (221) [system] get_char((0x558d99e6bec0), :)
   Call: (221) [system] (:)='('
   Fail: (221) [system] (:)='('
   Call: (221) [system] (:)='['
   Fail: (221) [system] (:)='['
   Call: (221) [system] (:)='{'
   Fail: (221) [system] (:)='{'
   Call: (221) [system] (:)='"'
   Fail: (221) [system] (:)='"'
   Call: (221) [system] (:)=!
   Fail: (221) [system] (:)=!
   Call: (221) [system] (:)='\''
   Fail: (221) [system] (:)='\''
   Call: (221) [system] (:)='`'
   Fail: (221) [system] (:)='`'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), :, _1069464)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1103118)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1104052)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1103118=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq(:, [], _1069464)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1113362, _1113364), once(user:catch(read_from_chars([:], _1069464), _1113338, fail)), '$restore_trace'(_1113362, _1113364))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1113362, _1113364))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1113338, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(:)
   Exit: (223) [system] atomic(:)
^  Exit: (222) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1120862)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1122720)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1130458)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1133162)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1148240)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1153810)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1155668)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1169822)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1153810)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1175392)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1189546)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1195116)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1196974)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1211128)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1195116)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1228770)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1229704)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1234424, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1235356, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1242706)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1243640)
   Exit: (227) [system] peek_char((0x558d99e6bec0), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Fail: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_1248360, v('(', ')', end_of_file), s)
   Fail: (228) [system] arg(_1249292, v('(', ')', end_of_file), s)
^  Fail: (227) [user] is_delimiter(s)
   Call: (227) [system] ')'==s
   Fail: (227) [system] ')'==s
   Call: (227) [system] get_char((0x558d99e6bec0), s)
   Exit: (227) [system] get_char((0x558d99e6bec0), s)
   Call: (227) [system] s=(\)
   Fail: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1256642)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1257576)
   Exit: (228) [system] peek_char((0x558d99e6bec0), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Fail: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_1262296, v('(', ')', end_of_file), j)
   Fail: (229) [system] arg(_1263228, v('(', ')', end_of_file), j)
^  Fail: (228) [user] is_delimiter(j)
   Call: (228) [system] ')'==j
   Fail: (228) [system] ')'==j
   Call: (228) [system] get_char((0x558d99e6bec0), j)
   Exit: (228) [system] get_char((0x558d99e6bec0), j)
   Call: (228) [system] j=(\)
   Fail: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1270578)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1271512)
   Exit: (229) [system] peek_char((0x558d99e6bec0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1276232, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1277164, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x558d99e6bec0), u)
   Exit: (229) [system] get_char((0x558d99e6bec0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1284514)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1285448)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1290168, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1291100, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1298450)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1299384)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1304104, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1305036, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x558d99e6bec0), c)
   Exit: (231) [system] get_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1312386)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1313320)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1318040, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1318972, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1326322)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1327256)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1331976, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1332908, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1340258)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1341192)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1345912, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1346844, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1354194)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1355128)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1359848, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1360780, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1368130)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1369064)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Fail: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_1373784, v('(', ')', end_of_file), 'I')
   Fail: (237) [system] arg(_1374716, v('(', ')', end_of_file), 'I')
^  Fail: (236) [user] is_delimiter('I')
   Call: (236) [system] ')'=='I'
   Fail: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (236) [system] get_char((0x558d99e6bec0), 'I')
   Call: (236) [system] 'I'=(\)
   Fail: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1382066)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1383000)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1387720, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1388652, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1396002)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1396936)
   Exit: (238) [system] peek_char((0x558d99e6bec0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1401656, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1402588, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x558d99e6bec0), t)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1409938)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1410872)
   Exit: (239) [system] peek_char((0x558d99e6bec0), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Fail: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_1415592, v('(', ')', end_of_file), r)
   Fail: (240) [system] arg(_1416524, v('(', ')', end_of_file), r)
^  Fail: (239) [user] is_delimiter(r)
   Call: (239) [system] ')'==r
   Fail: (239) [system] ')'==r
   Call: (239) [system] get_char((0x558d99e6bec0), r)
   Exit: (239) [system] get_char((0x558d99e6bec0), r)
   Call: (239) [system] r=(\)
   Fail: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1423874)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1424808)
   Exit: (240) [system] peek_char((0x558d99e6bec0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1429528, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1430460, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x558d99e6bec0), o)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1437810)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1438744)
   Exit: (241) [system] peek_char((0x558d99e6bec0), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Fail: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_1443464, v('(', ')', end_of_file), d)
   Fail: (242) [system] arg(_1444396, v('(', ')', end_of_file), d)
^  Fail: (241) [user] is_delimiter(d)
   Call: (241) [system] ')'==d
   Fail: (241) [system] ')'==d
   Call: (241) [system] get_char((0x558d99e6bec0), d)
   Exit: (241) [system] get_char((0x558d99e6bec0), d)
   Call: (241) [system] d=(\)
   Fail: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1451746)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1452680)
   Exit: (242) [system] peek_char((0x558d99e6bec0), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Fail: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_1457400, v('(', ')', end_of_file), u)
   Fail: (243) [system] arg(_1458332, v('(', ')', end_of_file), u)
^  Fail: (242) [user] is_delimiter(u)
   Call: (242) [system] ')'==u
   Fail: (242) [system] ')'==u
   Call: (242) [system] get_char((0x558d99e6bec0), u)
   Exit: (242) [system] get_char((0x558d99e6bec0), u)
   Call: (242) [system] u=(\)
   Fail: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1465682)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1466616)
   Exit: (243) [system] peek_char((0x558d99e6bec0), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Fail: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_1471336, v('(', ')', end_of_file), c)
   Fail: (244) [system] arg(_1472268, v('(', ')', end_of_file), c)
^  Fail: (243) [user] is_delimiter(c)
   Call: (243) [system] ')'==c
   Fail: (243) [system] ')'==c
   Call: (243) [system] get_char((0x558d99e6bec0), c)
   Exit: (243) [system] get_char((0x558d99e6bec0), c)
   Call: (243) [system] c=(\)
   Fail: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1479618)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1480552)
   Exit: (244) [system] peek_char((0x558d99e6bec0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1485272, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_1486204, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x558d99e6bec0), t)
   Exit: (244) [system] get_char((0x558d99e6bec0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1493554)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1494488)
   Exit: (245) [system] peek_char((0x558d99e6bec0), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Fail: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1499208, v('(', ')', end_of_file), i)
   Fail: (246) [system] arg(_1500140, v('(', ')', end_of_file), i)
^  Fail: (245) [user] is_delimiter(i)
   Call: (245) [system] ')'==i
   Fail: (245) [system] ')'==i
   Call: (245) [system] get_char((0x558d99e6bec0), i)
   Exit: (245) [system] get_char((0x558d99e6bec0), i)
   Call: (245) [system] i=(\)
   Fail: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1507490)
   Call: (246) [system] peek_char((0x558d99e6bec0), _1508424)
   Exit: (246) [system] peek_char((0x558d99e6bec0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1513144, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_1514076, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x558d99e6bec0), o)
   Exit: (246) [system] get_char((0x558d99e6bec0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1521426)
   Call: (247) [system] peek_char((0x558d99e6bec0), _1522360)
   Exit: (247) [system] peek_char((0x558d99e6bec0), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Fail: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1527080, v('(', ')', end_of_file), n)
   Fail: (248) [system] arg(_1528012, v('(', ')', end_of_file), n)
^  Fail: (247) [user] is_delimiter(n)
   Call: (247) [system] ')'==n
   Fail: (247) [system] ')'==n
   Call: (247) [system] get_char((0x558d99e6bec0), n)
   Exit: (247) [system] get_char((0x558d99e6bec0), n)
   Call: (247) [system] n=(\)
   Fail: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1535362)
   Call: (248) [system] peek_char((0x558d99e6bec0), _1536296)
   Exit: (248) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1535362=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (247) [system] _1521426=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (246) [system] _1507490=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (245) [system] _1493554=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (244) [system] _1479618=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (243) [system] _1465682=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (242) [system] _1451746=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (241) [system] _1437810=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (240) [system] _1423874=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _1409938=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1396002=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1382066=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1368130=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1354194=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1340258=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1326322=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1312386=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1298450=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1284514=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1270578=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1256642=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1242706=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1228770=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1195116)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1607074, _1607076), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1195116), _1607050, fail)), '$restore_trace'(_1607074, _1607076))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1607074, _1607076))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1195116), _1607050, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1195116)
   Fail: (226) [system] atomic(_1195116)
   Call: (226) [system] atom_chars(_1195116, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1616450)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1618308)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1626046)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1628750)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1643828)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1649398)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1651256)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1665410)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), a, _1649398)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1683052)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1683986)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1683052=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq(a, [], _1649398)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1693296, _1693298), once(user:catch(read_from_chars([a], _1649398), _1693272, fail)), '$restore_trace'(_1693296, _1693298))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1693296, _1693298))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1693272, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1700796)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1702654)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1710392)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1713096)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(;)
   Fail: (227) [system] c=(;)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Fail: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Fail: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
   Fail: (228) [system] char_type(c, cntrl)
^  Fail: (227) [user] is_like_space(c)
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1728174)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
   Call: (225) [system] c=')'
   Fail: (225) [system] c=')'
   Call: (225) [system] c=end_of_file
   Fail: (225) [system] c=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1733744)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1735602)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(;)
   Fail: (227) [system] c=(;)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Fail: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Fail: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
   Fail: (228) [system] char_type(c, cntrl)
^  Fail: (227) [user] is_like_space(c)
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1749756)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c='('
   Fail: (226) [system] c='('
   Call: (226) [system] c='['
   Fail: (226) [system] c='['
   Call: (226) [system] c='{'
   Fail: (226) [system] c='{'
   Call: (226) [system] c='"'
   Fail: (226) [system] c='"'
   Call: (226) [system] c=!
   Fail: (226) [system] c=!
   Call: (226) [system] c='\''
   Fail: (226) [system] c='\''
   Call: (226) [system] c='`'
   Fail: (226) [system] c='`'
   Call: (226) [system] c=end_of_file
   Fail: (226) [system] c=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), c, _1733744)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1767398)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1768332)
   Exit: (228) [system] peek_char((0x558d99e6bec0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1773052, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1773984, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x558d99e6bec0), d)
   Exit: (228) [system] get_char((0x558d99e6bec0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781334)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1782268)
   Exit: (229) [system] peek_char((0x558d99e6bec0), e)
^  Call: (229) [user] is_delimiter(e)
   Call: (230) [system] char_type(e, space)
   Fail: (230) [system] char_type(e, space)
   Call: (230) [system] arg(_1786988, v('(', ')', end_of_file), e)
   Fail: (230) [system] arg(_1787920, v('(', ')', end_of_file), e)
^  Fail: (229) [user] is_delimiter(e)
   Call: (229) [system] ')'==e
   Fail: (229) [system] ')'==e
   Call: (229) [system] get_char((0x558d99e6bec0), e)
   Exit: (229) [system] get_char((0x558d99e6bec0), e)
   Call: (229) [system] e=(\)
   Fail: (229) [system] e=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1795270)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1796204)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1800924, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1795270=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _1781334=[e]
   Exit: (229) [system] [e]=[e]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (228) [system] _1767398=[d, e]
   Exit: (228) [system] [d, e]=[d, e]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (227) [user] classify_and_convert_charseq(c, [d, e], _1733744)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1812974, _1812976), once(user:catch(read_from_chars([c, d, e], _1733744), _1812950, fail)), '$restore_trace'(_1812974, _1812976))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1812974, _1812976))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1812950, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(cde)
   Exit: (228) [system] atomic(cde)
^  Exit: (227) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1820474)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1822332)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1836486)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _1840276)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _1820474=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1700796=[cde]
   Exit: (225) [system] [cde]=[cde]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (224) [system] _1616450=[a, cde]
   Exit: (224) [system] [a, cde]=[a, cde]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [a, cde])
   Call: (223) [system] _1153810=['DisjunctionIntroduction', a, cde]
   Exit: (223) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1854158)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1856016)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1863754)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1866458)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1881536)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1887106)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1888964)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1903118)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1887106)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1908688)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1922842)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1928412)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1930270)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1944424)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1928412)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1962066)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1963000)
   Exit: (227) [system] peek_char((0x558d99e6bec0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1967720, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1968652, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x558d99e6bec0), r)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1976002)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1976936)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1981656, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1982588, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1989938)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1990872)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1995592, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1996524, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2003874)
   Call: (230) [system] peek_char((0x558d99e6bec0), _2004808)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_2009528, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_2010460, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2017810)
   Call: (231) [system] peek_char((0x558d99e6bec0), _2018744)
   Exit: (231) [system] peek_char((0x558d99e6bec0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_2023464, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_2024396, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x558d99e6bec0), k)
   Exit: (231) [system] get_char((0x558d99e6bec0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2031746)
   Call: (232) [system] peek_char((0x558d99e6bec0), _2032680)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _2031746=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _2017810=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (230) [system] _2003874=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (229) [system] _1989938=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (228) [system] _1976002=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (227) [system] _1962066=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1928412)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2055960, _2055962), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1928412), _2055936, fail)), '$restore_trace'(_2055960, _2055962))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_2055960, _2055962))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1928412), _2055936, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1928412)
   Fail: (227) [system] atomic(_1928412)
   Call: (227) [system] atom_chars(_1928412, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _2065336)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2067194)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _2074932)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2077636)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2092714)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _7738)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _9596)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _23750)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _7738)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _41392)
   Call: (228) [system] peek_char((0x558d99e6bec0), _42326)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _41392=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('A', [], _7738)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_51636, _51638), once(user:catch(read_from_chars(['A'], _7738), _51612, fail)), '$restore_trace'(_51636, _51638))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_51636, _51638))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _7738), _51612, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_7738)
   Fail: (228) [system] atomic(_7738)
   Call: (228) [system] atom_chars(_7738, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _61012)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _62870)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _70608)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _73312)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _88390)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _93960)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _95818)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _109972)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _93960)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _115542)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (229) [system] 'I'=(;)
   Fail: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Fail: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Fail: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
   Fail: (230) [system] char_type('I', cntrl)
^  Fail: (229) [user] is_like_space('I')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _129696)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (228) [system] 'I'=')'
   Fail: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
   Fail: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _135266)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _137124)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (230) [system] 'I'=(;)
   Fail: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Fail: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Fail: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
   Fail: (231) [system] char_type('I', cntrl)
^  Fail: (230) [user] is_like_space('I')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _151278)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'I')
   Call: (229) [system] 'I'='('
   Fail: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Fail: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Fail: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Fail: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Fail: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Fail: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Fail: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
   Fail: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _135266)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168920)
   Call: (231) [system] peek_char((0x558d99e6bec0), _169854)
   Exit: (231) [system] peek_char((0x558d99e6bec0), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Fail: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_174574, v('(', ')', end_of_file), m)
   Fail: (232) [system] arg(_175506, v('(', ')', end_of_file), m)
^  Fail: (231) [user] is_delimiter(m)
   Call: (231) [system] ')'==m
   Fail: (231) [system] ')'==m
   Call: (231) [system] get_char((0x558d99e6bec0), m)
   Exit: (231) [system] get_char((0x558d99e6bec0), m)
   Call: (231) [system] m=(\)
   Fail: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182856)
   Call: (232) [system] peek_char((0x558d99e6bec0), _183790)
   Exit: (232) [system] peek_char((0x558d99e6bec0), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Fail: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_188510, v('(', ')', end_of_file), p)
   Fail: (233) [system] arg(_189442, v('(', ')', end_of_file), p)
^  Fail: (232) [user] is_delimiter(p)
   Call: (232) [system] ')'==p
   Fail: (232) [system] ')'==p
   Call: (232) [system] get_char((0x558d99e6bec0), p)
   Exit: (232) [system] get_char((0x558d99e6bec0), p)
   Call: (232) [system] p=(\)
   Fail: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _196792)
   Call: (233) [system] peek_char((0x558d99e6bec0), _197726)
   Exit: (233) [system] peek_char((0x558d99e6bec0), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Fail: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_202446, v('(', ')', end_of_file), l)
   Fail: (234) [system] arg(_203378, v('(', ')', end_of_file), l)
^  Fail: (233) [user] is_delimiter(l)
   Call: (233) [system] ')'==l
   Fail: (233) [system] ')'==l
   Call: (233) [system] get_char((0x558d99e6bec0), l)
   Exit: (233) [system] get_char((0x558d99e6bec0), l)
   Call: (233) [system] l=(\)
   Fail: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _210728)
   Call: (234) [system] peek_char((0x558d99e6bec0), _211662)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_216382, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_217314, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _224664)
   Call: (235) [system] peek_char((0x558d99e6bec0), _225598)
   Exit: (235) [system] peek_char((0x558d99e6bec0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_230318, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_231250, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x558d99e6bec0), c)
   Exit: (235) [system] get_char((0x558d99e6bec0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _238600)
   Call: (236) [system] peek_char((0x558d99e6bec0), _239534)
   Exit: (236) [system] peek_char((0x558d99e6bec0), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Fail: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_244254, v('(', ')', end_of_file), a)
   Fail: (237) [system] arg(_245186, v('(', ')', end_of_file), a)
^  Fail: (236) [user] is_delimiter(a)
   Call: (236) [system] ')'==a
   Fail: (236) [system] ')'==a
   Call: (236) [system] get_char((0x558d99e6bec0), a)
   Exit: (236) [system] get_char((0x558d99e6bec0), a)
   Call: (236) [system] a=(\)
   Fail: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _252536)
   Call: (237) [system] peek_char((0x558d99e6bec0), _253470)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_258190, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_259122, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _266472)
   Call: (238) [system] peek_char((0x558d99e6bec0), _267406)
   Exit: (238) [system] peek_char((0x558d99e6bec0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_272126, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_273058, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x558d99e6bec0), i)
   Exit: (238) [system] get_char((0x558d99e6bec0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _280408)
   Call: (239) [system] peek_char((0x558d99e6bec0), _281342)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_286062, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_286994, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _294344)
   Call: (240) [system] peek_char((0x558d99e6bec0), _295278)
   Exit: (240) [system] peek_char((0x558d99e6bec0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_299998, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_300930, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x558d99e6bec0), n)
   Exit: (240) [system] get_char((0x558d99e6bec0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _308280)
   Call: (241) [system] peek_char((0x558d99e6bec0), _309214)
   Exit: (241) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _308280=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (240) [system] _294344=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (239) [system] _280408=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (238) [system] _266472=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (237) [system] _252536=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (236) [system] _238600=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (235) [system] _224664=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (234) [system] _210728=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (233) [system] _196792=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _182856=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _168920=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _135266)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_346464, _346466), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _135266), _346440, fail)), '$restore_trace'(_346464, _346466))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_346464, _346466))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _135266), _346440, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_135266)
   Fail: (231) [system] atomic(_135266)
   Call: (231) [system] atom_chars(_135266, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _355840)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _357698)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _365436)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _368140)
   Exit: (231) [system] peek_char((0x558d99e6bec0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _383218)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _388788)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _390646)
   Exit: (231) [system] peek_char((0x558d99e6bec0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _404800)
   Exit: (230) [system] get_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _388788)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _410370)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _424524)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (231) [system] 'O'=')'
   Fail: (231) [system] 'O'=')'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x558d99e6bec0), _430094)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _431952)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (233) [system] 'O'=(;)
   Fail: (233) [system] 'O'=(;)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Fail: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Fail: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Fail: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
   Fail: (234) [system] char_type('O', cntrl)
^  Fail: (233) [user] is_like_space('O')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] get_char((0x558d99e6bec0), _446106)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'O')
   Call: (232) [system] 'O'='('
   Fail: (232) [system] 'O'='('
   Call: (232) [system] 'O'='['
   Fail: (232) [system] 'O'='['
   Call: (232) [system] 'O'='{'
   Fail: (232) [system] 'O'='{'
   Call: (232) [system] 'O'='"'
   Fail: (232) [system] 'O'='"'
   Call: (232) [system] 'O'=!
   Fail: (232) [system] 'O'=!
   Call: (232) [system] 'O'='\''
   Fail: (232) [system] 'O'='\''
   Call: (232) [system] 'O'='`'
   Fail: (232) [system] 'O'='`'
   Call: (232) [system] 'O'=end_of_file
   Fail: (232) [system] 'O'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _430094)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _463748)
   Call: (234) [system] peek_char((0x558d99e6bec0), _464682)
   Exit: (234) [system] peek_char((0x558d99e6bec0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_469402, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_470334, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x558d99e6bec0), r)
   Exit: (234) [system] get_char((0x558d99e6bec0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _477684)
   Call: (235) [system] peek_char((0x558d99e6bec0), _478618)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Fail: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_483338, v('(', ')', end_of_file), 'L')
   Fail: (236) [system] arg(_484270, v('(', ')', end_of_file), 'L')
^  Fail: (235) [user] is_delimiter('L')
   Call: (235) [system] ')'=='L'
   Fail: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (235) [system] get_char((0x558d99e6bec0), 'L')
   Call: (235) [system] 'L'=(\)
   Fail: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _491620)
   Call: (236) [system] peek_char((0x558d99e6bec0), _492554)
   Exit: (236) [system] peek_char((0x558d99e6bec0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_497274, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_498206, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x558d99e6bec0), i)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _505556)
   Call: (237) [system] peek_char((0x558d99e6bec0), _506490)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_511210, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_512142, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _519492)
   Call: (238) [system] peek_char((0x558d99e6bec0), _520426)
   Exit: (238) [system] peek_char((0x558d99e6bec0), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Fail: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_525146, v('(', ')', end_of_file), k)
   Fail: (239) [system] arg(_526078, v('(', ')', end_of_file), k)
^  Fail: (238) [user] is_delimiter(k)
   Call: (238) [system] ')'==k
   Fail: (238) [system] ')'==k
   Call: (238) [system] get_char((0x558d99e6bec0), k)
   Exit: (238) [system] get_char((0x558d99e6bec0), k)
   Call: (238) [system] k=(\)
   Fail: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _533428)
   Call: (239) [system] peek_char((0x558d99e6bec0), _534362)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _533428=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (238) [system] _519492=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (237) [system] _505556=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (236) [system] _491620=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (235) [system] _477684=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (234) [system] _463748=[r, 'L', i, n, k]
   Exit: (234) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _430094)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_557642, _557644), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _430094), _557618, fail)), '$restore_trace'(_557642, _557644))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_557642, _557644))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _430094), _557618, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_430094)
   Fail: (234) [system] atomic(_430094)
   Call: (234) [system] atom_chars(_430094, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (231) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _567018)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _568876)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x558d99e6bec0), _576614)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _579318)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (234) [system] 'C'=(;)
   Fail: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Fail: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Fail: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Fail: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
   Fail: (235) [system] char_type('C', cntrl)
^  Fail: (234) [user] is_like_space('C')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _594396)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (232) [system] 'C'=')'
   Fail: (232) [system] 'C'=')'
   Call: (232) [system] 'C'=end_of_file
   Fail: (232) [system] 'C'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x558d99e6bec0), _599966)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _601824)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (234) [system] 'C'=(;)
   Fail: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Fail: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Fail: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Fail: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
   Fail: (235) [system] char_type('C', cntrl)
^  Fail: (234) [user] is_like_space('C')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] get_char((0x558d99e6bec0), _615978)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'C')
   Call: (233) [system] 'C'='('
   Fail: (233) [system] 'C'='('
   Call: (233) [system] 'C'='['
   Fail: (233) [system] 'C'='['
   Call: (233) [system] 'C'='{'
   Fail: (233) [system] 'C'='{'
   Call: (233) [system] 'C'='"'
   Fail: (233) [system] 'C'='"'
   Call: (233) [system] 'C'=!
   Fail: (233) [system] 'C'=!
   Call: (233) [system] 'C'='\''
   Fail: (233) [system] 'C'='\''
   Call: (233) [system] 'C'='`'
   Fail: (233) [system] 'C'='`'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _599966)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _633620)
   Call: (235) [system] peek_char((0x558d99e6bec0), _634554)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _633620=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (234) [user] classify_and_convert_charseq('C', [], _599966)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_643864, _643866), once(user:catch(read_from_chars(['C'], _599966), _643840, fail)), '$restore_trace'(_643864, _643866))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_643864, _643866))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _599966), _643840, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_599966)
   Fail: (235) [system] atomic(_599966)
   Call: (235) [system] atom_chars(_599966, ['C'])
   Exit: (235) [system] atom_chars('C', ['C'])
^  Exit: (234) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (232) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (232) [user] read_list(')', (0x558d99e6bec0), _653240)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _655098)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x558d99e6bec0), _662836)
   Exit: (234) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _665540)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (235) [system] 'D'=(;)
   Fail: (235) [system] 'D'=(;)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Fail: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Fail: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Fail: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
   Fail: (236) [system] char_type('D', cntrl)
^  Fail: (235) [user] is_like_space('D')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _680618)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (233) [system] 'D'=')'
   Fail: (233) [system] 'D'=')'
   Call: (233) [system] 'D'=end_of_file
   Fail: (233) [system] 'D'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x558d99e6bec0), _686188)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _688046)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (235) [system] 'D'=(;)
   Fail: (235) [system] 'D'=(;)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Fail: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Fail: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Fail: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
   Fail: (236) [system] char_type('D', cntrl)
^  Fail: (235) [user] is_like_space('D')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] get_char((0x558d99e6bec0), _702200)
   Exit: (234) [system] get_char((0x558d99e6bec0), 'D')
   Call: (234) [system] 'D'='('
   Fail: (234) [system] 'D'='('
   Call: (234) [system] 'D'='['
   Fail: (234) [system] 'D'='['
   Call: (234) [system] 'D'='{'
   Fail: (234) [system] 'D'='{'
   Call: (234) [system] 'D'='"'
   Fail: (234) [system] 'D'='"'
   Call: (234) [system] 'D'=!
   Fail: (234) [system] 'D'=!
   Call: (234) [system] 'D'='\''
   Fail: (234) [system] 'D'='\''
   Call: (234) [system] 'D'='`'
   Fail: (234) [system] 'D'='`'
   Call: (234) [system] 'D'=end_of_file
   Fail: (234) [system] 'D'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _686188)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _719842)
   Call: (236) [system] peek_char((0x558d99e6bec0), _720776)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_725496, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _719842=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (235) [user] classify_and_convert_charseq('D', [], _686188)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_731958, _731960), once(user:catch(read_from_chars(['D'], _686188), _731934, fail)), '$restore_trace'(_731958, _731960))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_731958, _731960))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _686188), _731934, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_686188)
   Fail: (236) [system] atomic(_686188)
   Call: (236) [system] atom_chars(_686188, ['D'])
   Exit: (236) [system] atom_chars('D', ['D'])
^  Exit: (235) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (234) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (233) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (233) [user] read_list(')', (0x558d99e6bec0), _741334)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _743192)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _757346)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x558d99e6bec0), _761136)
   Exit: (234) [system] get_char((0x558d99e6bec0), ')')
   Call: (234) [system] _741334=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (233) [system] _653240=['D']
   Exit: (233) [system] ['D']=['D']
^  Exit: (232) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (232) [system] _567018=['C', 'D']
   Exit: (232) [system] ['C', 'D']=['C', 'D']
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (231) [system] _388788=['OrLink', 'C', 'D']
   Exit: (231) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _775018)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _776876)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _784614)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _787318)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (232) [system] 'E'=(;)
   Fail: (232) [system] 'E'=(;)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Fail: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Fail: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
   Fail: (233) [system] char_type('E', cntrl)
^  Fail: (232) [user] is_like_space('E')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _802396)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (230) [system] 'E'=')'
   Fail: (230) [system] 'E'=')'
   Call: (230) [system] 'E'=end_of_file
   Fail: (230) [system] 'E'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _807966)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _809824)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (232) [system] 'E'=(;)
   Fail: (232) [system] 'E'=(;)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Fail: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Fail: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Fail: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
   Fail: (233) [system] char_type('E', cntrl)
^  Fail: (232) [user] is_like_space('E')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _823978)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'E')
   Call: (231) [system] 'E'='('
   Fail: (231) [system] 'E'='('
   Call: (231) [system] 'E'='['
   Fail: (231) [system] 'E'='['
   Call: (231) [system] 'E'='{'
   Fail: (231) [system] 'E'='{'
   Call: (231) [system] 'E'='"'
   Fail: (231) [system] 'E'='"'
   Call: (231) [system] 'E'=!
   Fail: (231) [system] 'E'=!
   Call: (231) [system] 'E'='\''
   Fail: (231) [system] 'E'='\''
   Call: (231) [system] 'E'='`'
   Fail: (231) [system] 'E'='`'
   Call: (231) [system] 'E'=end_of_file
   Fail: (231) [system] 'E'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _807966)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _841620)
   Call: (233) [system] peek_char((0x558d99e6bec0), _842554)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_847274, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _841620=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (232) [user] classify_and_convert_charseq('E', [], _807966)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_853736, _853738), once(user:catch(read_from_chars(['E'], _807966), _853712, fail)), '$restore_trace'(_853736, _853738))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_853736, _853738))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _807966), _853712, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_807966)
   Fail: (233) [system] atomic(_807966)
   Call: (233) [system] atom_chars(_807966, ['E'])
   Exit: (233) [system] atom_chars('E', ['E'])
^  Exit: (232) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _863112)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _864970)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _879124)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x558d99e6bec0), _882914)
   Exit: (231) [system] get_char((0x558d99e6bec0), ')')
   Call: (231) [system] _863112=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (230) [system] _775018=['E']
   Exit: (230) [system] ['E']=['E']
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (229) [system] _355840=[['OrLink', 'C', 'D'], 'E']
   Exit: (229) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (228) [system] _93960=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (228) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _896796)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _898654)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _912808)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _916598)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _896796=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _61012=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (226) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (225) [system] _6208=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (224) [system] _6200=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (224) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _930480)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _932338)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _946492)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _950282)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _930480=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _6196=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (222) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (221) [system] _6172=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (220) [system] _6164=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (220) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _964164)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _966022)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (220) [system] '\n'=(;)
   Fail: (220) [system] '\n'=(;)
^  Call: (220) [user] is_like_space('\n')
   Call: (221) [system] char_type('\n', 'white')
   Fail: (221) [system] char_type('\n', 'white')
   Call: (221) [system] char_type('\n', end_of_line)
   Exit: (221) [system] char_type('\n', end_of_line)
^  Exit: (220) [user] is_like_space('\n')
   Call: (220) [system] get_char((0x558d99e6bec0), _975616)
   Exit: (220) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _978320)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (221) [system] '\t'=(;)
   Fail: (221) [system] '\t'=(;)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x558d99e6bec0), _986058)
   Exit: (221) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _988762)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x558d99e6bec0), _996500)
   Exit: (222) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _999204)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1006942)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1009646)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1027496)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1033066)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1034924)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1049078)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1033066)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1054648)
   Exit: (222) [system] peek_char((0x558d99e6bec0), :)
   Call: (222) [system] (:)=(;)
   Fail: (222) [system] (:)=(;)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Fail: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Fail: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Fail: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
   Fail: (223) [system] char_type(:, cntrl)
^  Fail: (222) [user] is_like_space(:)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1068802)
   Exit: (221) [system] peek_char((0x558d99e6bec0), :)
   Call: (221) [system] (:)=')'
   Fail: (221) [system] (:)=')'
   Call: (221) [system] (:)=end_of_file
   Fail: (221) [system] (:)=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1074372)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1076230)
   Exit: (223) [system] peek_char((0x558d99e6bec0), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1090384)
   Exit: (222) [system] get_char((0x558d99e6bec0), :)
   Call: (222) [system] (:)='('
   Fail: (222) [system] (:)='('
   Call: (222) [system] (:)='['
   Fail: (222) [system] (:)='['
   Call: (222) [system] (:)='{'
   Fail: (222) [system] (:)='{'
   Call: (222) [system] (:)='"'
   Fail: (222) [system] (:)='"'
   Call: (222) [system] (:)=!
   Fail: (222) [system] (:)=!
   Call: (222) [system] (:)='\''
   Fail: (222) [system] (:)='\''
   Call: (222) [system] (:)='`'
   Fail: (222) [system] (:)='`'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), :, _1074372)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1108026)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1108960)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1108026=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq(:, [], _1074372)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1118270, _1118272), once(user:catch(read_from_chars([:], _1074372), _1118246, fail)), '$restore_trace'(_1118270, _1118272))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1118270, _1118272))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1118246, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(:)
   Exit: (224) [system] atomic(:)
^  Exit: (223) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1125770)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1127628)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1135366)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1138070)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1153148)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1158718)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1160576)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1174730)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1158718)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1180300)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1194454)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1200024)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1201882)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1216036)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1200024)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1233678)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1234612)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1239332, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1240264, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1247614)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1248548)
   Exit: (228) [system] peek_char((0x558d99e6bec0), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Fail: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_1253268, v('(', ')', end_of_file), s)
   Fail: (229) [system] arg(_1254200, v('(', ')', end_of_file), s)
^  Fail: (228) [user] is_delimiter(s)
   Call: (228) [system] ')'==s
   Fail: (228) [system] ')'==s
   Call: (228) [system] get_char((0x558d99e6bec0), s)
   Exit: (228) [system] get_char((0x558d99e6bec0), s)
   Call: (228) [system] s=(\)
   Fail: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1261550)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1262484)
   Exit: (229) [system] peek_char((0x558d99e6bec0), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Fail: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_1267204, v('(', ')', end_of_file), j)
   Fail: (230) [system] arg(_1268136, v('(', ')', end_of_file), j)
^  Fail: (229) [user] is_delimiter(j)
   Call: (229) [system] ')'==j
   Fail: (229) [system] ')'==j
   Call: (229) [system] get_char((0x558d99e6bec0), j)
   Exit: (229) [system] get_char((0x558d99e6bec0), j)
   Call: (229) [system] j=(\)
   Fail: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1275486)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1276420)
   Exit: (230) [system] peek_char((0x558d99e6bec0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1281140, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_1282072, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x558d99e6bec0), u)
   Exit: (230) [system] get_char((0x558d99e6bec0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1289422)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1290356)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1295076, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1296008, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1303358)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1304292)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1309012, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1309944, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1317294)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1318228)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1322948, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1323880, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1331230)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1332164)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1336884, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_1337816, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1345166)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1346100)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1350820, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1351752, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1359102)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1360036)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1364756, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1365688, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1373038)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1373972)
   Exit: (237) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Fail: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_1378692, v('(', ')', end_of_file), 'I')
   Fail: (238) [system] arg(_1379624, v('(', ')', end_of_file), 'I')
^  Fail: (237) [user] is_delimiter('I')
   Call: (237) [system] ')'=='I'
   Fail: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (237) [system] get_char((0x558d99e6bec0), 'I')
   Call: (237) [system] 'I'=(\)
   Fail: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1386974)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1387908)
   Exit: (238) [system] peek_char((0x558d99e6bec0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1392628, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1393560, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x558d99e6bec0), n)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1400910)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1401844)
   Exit: (239) [system] peek_char((0x558d99e6bec0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1406564, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1407496, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x558d99e6bec0), t)
   Exit: (239) [system] get_char((0x558d99e6bec0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1414846)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1415780)
   Exit: (240) [system] peek_char((0x558d99e6bec0), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Fail: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_1420500, v('(', ')', end_of_file), r)
   Fail: (241) [system] arg(_1421432, v('(', ')', end_of_file), r)
^  Fail: (240) [user] is_delimiter(r)
   Call: (240) [system] ')'==r
   Fail: (240) [system] ')'==r
   Call: (240) [system] get_char((0x558d99e6bec0), r)
   Exit: (240) [system] get_char((0x558d99e6bec0), r)
   Call: (240) [system] r=(\)
   Fail: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1428782)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1429716)
   Exit: (241) [system] peek_char((0x558d99e6bec0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1434436, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1435368, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x558d99e6bec0), o)
   Exit: (241) [system] get_char((0x558d99e6bec0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1442718)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1443652)
   Exit: (242) [system] peek_char((0x558d99e6bec0), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Fail: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1448372, v('(', ')', end_of_file), d)
   Fail: (243) [system] arg(_1449304, v('(', ')', end_of_file), d)
^  Fail: (242) [user] is_delimiter(d)
   Call: (242) [system] ')'==d
   Fail: (242) [system] ')'==d
   Call: (242) [system] get_char((0x558d99e6bec0), d)
   Exit: (242) [system] get_char((0x558d99e6bec0), d)
   Call: (242) [system] d=(\)
   Fail: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1456654)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1457588)
   Exit: (243) [system] peek_char((0x558d99e6bec0), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Fail: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_1462308, v('(', ')', end_of_file), u)
   Fail: (244) [system] arg(_1463240, v('(', ')', end_of_file), u)
^  Fail: (243) [user] is_delimiter(u)
   Call: (243) [system] ')'==u
   Fail: (243) [system] ')'==u
   Call: (243) [system] get_char((0x558d99e6bec0), u)
   Exit: (243) [system] get_char((0x558d99e6bec0), u)
   Call: (243) [system] u=(\)
   Fail: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1470590)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1471524)
   Exit: (244) [system] peek_char((0x558d99e6bec0), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Fail: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1476244, v('(', ')', end_of_file), c)
   Fail: (245) [system] arg(_1477176, v('(', ')', end_of_file), c)
^  Fail: (244) [user] is_delimiter(c)
   Call: (244) [system] ')'==c
   Fail: (244) [system] ')'==c
   Call: (244) [system] get_char((0x558d99e6bec0), c)
   Exit: (244) [system] get_char((0x558d99e6bec0), c)
   Call: (244) [system] c=(\)
   Fail: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1484526)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1485460)
   Exit: (245) [system] peek_char((0x558d99e6bec0), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Fail: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1490180, v('(', ')', end_of_file), t)
   Fail: (246) [system] arg(_1491112, v('(', ')', end_of_file), t)
^  Fail: (245) [user] is_delimiter(t)
   Call: (245) [system] ')'==t
   Fail: (245) [system] ')'==t
   Call: (245) [system] get_char((0x558d99e6bec0), t)
   Exit: (245) [system] get_char((0x558d99e6bec0), t)
   Call: (245) [system] t=(\)
   Fail: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1498462)
   Call: (246) [system] peek_char((0x558d99e6bec0), _1499396)
   Exit: (246) [system] peek_char((0x558d99e6bec0), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Fail: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_1504116, v('(', ')', end_of_file), i)
   Fail: (247) [system] arg(_1505048, v('(', ')', end_of_file), i)
^  Fail: (246) [user] is_delimiter(i)
   Call: (246) [system] ')'==i
   Fail: (246) [system] ')'==i
   Call: (246) [system] get_char((0x558d99e6bec0), i)
   Exit: (246) [system] get_char((0x558d99e6bec0), i)
   Call: (246) [system] i=(\)
   Fail: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1512398)
   Call: (247) [system] peek_char((0x558d99e6bec0), _1513332)
   Exit: (247) [system] peek_char((0x558d99e6bec0), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Fail: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1518052, v('(', ')', end_of_file), o)
   Fail: (248) [system] arg(_1518984, v('(', ')', end_of_file), o)
^  Fail: (247) [user] is_delimiter(o)
   Call: (247) [system] ')'==o
   Fail: (247) [system] ')'==o
   Call: (247) [system] get_char((0x558d99e6bec0), o)
   Exit: (247) [system] get_char((0x558d99e6bec0), o)
   Call: (247) [system] o=(\)
   Fail: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1526334)
   Call: (248) [system] peek_char((0x558d99e6bec0), _1527268)
   Exit: (248) [system] peek_char((0x558d99e6bec0), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Fail: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_1531988, v('(', ')', end_of_file), n)
   Fail: (249) [system] arg(_1532920, v('(', ')', end_of_file), n)
^  Fail: (248) [user] is_delimiter(n)
   Call: (248) [system] ')'==n
   Fail: (248) [system] ')'==n
   Call: (248) [system] get_char((0x558d99e6bec0), n)
   Exit: (248) [system] get_char((0x558d99e6bec0), n)
   Call: (248) [system] n=(\)
   Fail: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1540270)
   Call: (249) [system] peek_char((0x558d99e6bec0), _1541204)
   Exit: (249) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _1540270=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (248) [system] _1526334=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (247) [system] _1512398=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (246) [system] _1498462=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (245) [system] _1484526=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (244) [system] _1470590=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (243) [system] _1456654=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (242) [system] _1442718=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (241) [system] _1428782=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _1414846=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1400910=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1386974=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1373038=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1359102=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1345166=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1331230=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1317294=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1303358=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1289422=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1275486=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1261550=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1247614=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1233678=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1200024)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1611982, _1611984), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1200024), _1611958, fail)), '$restore_trace'(_1611982, _1611984))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1611982, _1611984))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1200024), _1611958, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1200024)
   Fail: (227) [system] atomic(_1200024)
   Call: (227) [system] atom_chars(_1200024, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1621358)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1623216)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1630954)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1633658)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1648736)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=')'
   Fail: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1654306)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1656164)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(;)
   Fail: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Fail: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Fail: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
   Fail: (228) [system] char_type(a, cntrl)
^  Fail: (227) [user] is_like_space(a)
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1670318)
   Exit: (226) [system] get_char((0x558d99e6bec0), a)
   Call: (226) [system] a='('
   Fail: (226) [system] a='('
   Call: (226) [system] a='['
   Fail: (226) [system] a='['
   Call: (226) [system] a='{'
   Fail: (226) [system] a='{'
   Call: (226) [system] a='"'
   Fail: (226) [system] a='"'
   Call: (226) [system] a=!
   Fail: (226) [system] a=!
   Call: (226) [system] a='\''
   Fail: (226) [system] a='\''
   Call: (226) [system] a='`'
   Fail: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), a, _1654306)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1687960)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1688894)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1687960=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq(a, [], _1654306)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1698204, _1698206), once(user:catch(read_from_chars([a], _1654306), _1698180, fail)), '$restore_trace'(_1698204, _1698206))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1698204, _1698206))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1698180, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1705704)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1707562)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1715300)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1718004)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1733082)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1738652)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1740510)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1754664)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), a, _1738652)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1772306)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1773240)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1777960, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1772306=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq(a, [], _1738652)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1784422, _1784424), once(user:catch(read_from_chars([a], _1738652), _1784398, fail)), '$restore_trace'(_1784422, _1784424))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1784422, _1784424))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1784398, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1791922)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1793780)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1807934)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _1811724)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _1791922=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1705704=[a]
   Exit: (226) [system] [a]=[a]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (225) [system] _1621358=[a, a]
   Exit: (225) [system] [a, a]=[a, a]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (224) [system] _1158718=['DisjunctionIntroduction', a, a]
   Exit: (224) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1825606)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1827464)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1835202)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1837906)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1852984)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1858554)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1860412)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1874566)
   Exit: (224) [system] get_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1858554)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1880136)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1894290)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=')'
   Fail: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1899860)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1901718)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1915872)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'='('
   Fail: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Fail: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Fail: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Fail: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Fail: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Fail: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Fail: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1899860)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1933514)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1934448)
   Exit: (228) [system] peek_char((0x558d99e6bec0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1939168, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_1940100, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x558d99e6bec0), r)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1947450)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1948384)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1953104, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_1954036, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1961386)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1962320)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1967040, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1967972, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1975322)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1976256)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1980976, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1981908, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1989258)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1990192)
   Exit: (232) [system] peek_char((0x558d99e6bec0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1994912, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_1995844, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x558d99e6bec0), k)
   Exit: (232) [system] get_char((0x558d99e6bec0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2003194)
   Call: (233) [system] peek_char((0x558d99e6bec0), _2004128)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _2003194=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _1989258=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (231) [system] _1975322=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (230) [system] _1961386=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (229) [system] _1947450=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (228) [system] _1933514=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1899860)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_2027408, _2027410), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1899860), _2027384, fail)), '$restore_trace'(_2027408, _2027410))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_2027408, _2027410))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1899860), _2027384, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1899860)
   Fail: (228) [system] atomic(_1899860)
   Call: (228) [system] atom_chars(_1899860, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _2036784)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2038642)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _2046380)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _2049084)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2064162)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _2069732)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _2071590)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _2085744)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _6308)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _12764)
   Call: (229) [system] peek_char((0x558d99e6bec0), _13698)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _12764=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('A', [], _6308)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_23008, _23010), once(user:catch(read_from_chars(['A'], _6308), _22984, fail)), '$restore_trace'(_23008, _23010))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_23008, _23010))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _6308), _22984, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_6308)
   Fail: (229) [system] atomic(_6308)
   Call: (229) [system] atom_chars(_6308, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _32384)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _34242)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _41980)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _44684)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _59762)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _65332)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _67190)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _81344)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _65332)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _98986)
   Call: (230) [system] peek_char((0x558d99e6bec0), _99920)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_104640, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _98986=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _65332)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_111102, _111104), once(user:catch(read_from_chars(['A'], _65332), _111078, fail)), '$restore_trace'(_111102, _111104))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_111102, _111104))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _65332), _111078, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_65332)
   Fail: (230) [system] atomic(_65332)
   Call: (230) [system] atom_chars(_65332, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _120478)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _122336)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _136490)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x558d99e6bec0), _140280)
   Exit: (228) [system] get_char((0x558d99e6bec0), ')')
   Call: (228) [system] _120478=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (227) [system] _32384=['A']
   Exit: (227) [system] ['A']=['A']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (226) [system] _6304=['A', 'A']
   Exit: (226) [system] ['A', 'A']=['A', 'A']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['A', 'A'])
   Call: (225) [system] _6296=['OrLink', 'A', 'A']
   Exit: (225) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', 'A'])
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', 'A'])
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _154162)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _156020)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _170174)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _173964)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _154162=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _6292=[['OrLink', 'A', 'A']]
   Exit: (223) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', 'A']])
   Call: (222) [system] _6268=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (222) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
   Call: (221) [system] _6260=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (221) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _187846)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _189704)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (221) [system] '\n'=(;)
   Fail: (221) [system] '\n'=(;)
^  Call: (221) [user] is_like_space('\n')
   Call: (222) [system] char_type('\n', 'white')
   Fail: (222) [system] char_type('\n', 'white')
   Call: (222) [system] char_type('\n', end_of_line)
   Exit: (222) [system] char_type('\n', end_of_line)
^  Exit: (221) [user] is_like_space('\n')
   Call: (221) [system] get_char((0x558d99e6bec0), _199298)
   Exit: (221) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _202002)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (222) [system] '\t'=(;)
   Fail: (222) [system] '\t'=(;)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x558d99e6bec0), _209740)
   Exit: (222) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _212444)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x558d99e6bec0), _220182)
   Exit: (223) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _222886)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _230624)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _233328)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _251178)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _256748)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _258606)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _272760)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _256748)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _278330)
   Exit: (223) [system] peek_char((0x558d99e6bec0), :)
   Call: (223) [system] (:)=(;)
   Fail: (223) [system] (:)=(;)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Fail: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Fail: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Fail: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
   Fail: (224) [system] char_type(:, cntrl)
^  Fail: (223) [user] is_like_space(:)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _292484)
   Exit: (222) [system] peek_char((0x558d99e6bec0), :)
   Call: (222) [system] (:)=')'
   Fail: (222) [system] (:)=')'
   Call: (222) [system] (:)=end_of_file
   Fail: (222) [system] (:)=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _298054)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _299912)
   Exit: (224) [system] peek_char((0x558d99e6bec0), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _314066)
   Exit: (223) [system] get_char((0x558d99e6bec0), :)
   Call: (223) [system] (:)='('
   Fail: (223) [system] (:)='('
   Call: (223) [system] (:)='['
   Fail: (223) [system] (:)='['
   Call: (223) [system] (:)='{'
   Fail: (223) [system] (:)='{'
   Call: (223) [system] (:)='"'
   Fail: (223) [system] (:)='"'
   Call: (223) [system] (:)=!
   Fail: (223) [system] (:)=!
   Call: (223) [system] (:)='\''
   Fail: (223) [system] (:)='\''
   Call: (223) [system] (:)='`'
   Fail: (223) [system] (:)='`'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), :, _298054)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _331708)
   Call: (225) [system] peek_char((0x558d99e6bec0), _332642)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _331708=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq(:, [], _298054)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_341952, _341954), once(user:catch(read_from_chars([:], _298054), _341928, fail)), '$restore_trace'(_341952, _341954))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_341952, _341954))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _341928, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(:)
   Exit: (225) [system] atomic(:)
^  Exit: (224) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _349452)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _351310)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _359048)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _361752)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _376830)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _382400)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _384258)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _398412)
   Exit: (224) [system] get_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _382400)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _403982)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _418136)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _423706)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _425564)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _439718)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _423706)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _457360)
   Call: (228) [system] peek_char((0x558d99e6bec0), _458294)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_463014, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_463946, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _471296)
   Call: (229) [system] peek_char((0x558d99e6bec0), _472230)
   Exit: (229) [system] peek_char((0x558d99e6bec0), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Fail: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_476950, v('(', ')', end_of_file), s)
   Fail: (230) [system] arg(_477882, v('(', ')', end_of_file), s)
^  Fail: (229) [user] is_delimiter(s)
   Call: (229) [system] ')'==s
   Fail: (229) [system] ')'==s
   Call: (229) [system] get_char((0x558d99e6bec0), s)
   Exit: (229) [system] get_char((0x558d99e6bec0), s)
   Call: (229) [system] s=(\)
   Fail: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _485232)
   Call: (230) [system] peek_char((0x558d99e6bec0), _486166)
   Exit: (230) [system] peek_char((0x558d99e6bec0), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Fail: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_490886, v('(', ')', end_of_file), j)
   Fail: (231) [system] arg(_491818, v('(', ')', end_of_file), j)
^  Fail: (230) [user] is_delimiter(j)
   Call: (230) [system] ')'==j
   Fail: (230) [system] ')'==j
   Call: (230) [system] get_char((0x558d99e6bec0), j)
   Exit: (230) [system] get_char((0x558d99e6bec0), j)
   Call: (230) [system] j=(\)
   Fail: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _499168)
   Call: (231) [system] peek_char((0x558d99e6bec0), _500102)
   Exit: (231) [system] peek_char((0x558d99e6bec0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_504822, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_505754, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x558d99e6bec0), u)
   Exit: (231) [system] get_char((0x558d99e6bec0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _513104)
   Call: (232) [system] peek_char((0x558d99e6bec0), _514038)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_518758, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_519690, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _527040)
   Call: (233) [system] peek_char((0x558d99e6bec0), _527974)
   Exit: (233) [system] peek_char((0x558d99e6bec0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_532694, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_533626, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x558d99e6bec0), c)
   Exit: (233) [system] get_char((0x558d99e6bec0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _540976)
   Call: (234) [system] peek_char((0x558d99e6bec0), _541910)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_546630, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_547562, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _554912)
   Call: (235) [system] peek_char((0x558d99e6bec0), _555846)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_560566, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_561498, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _568848)
   Call: (236) [system] peek_char((0x558d99e6bec0), _569782)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_574502, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_575434, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _582784)
   Call: (237) [system] peek_char((0x558d99e6bec0), _583718)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_588438, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_589370, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _596720)
   Call: (238) [system] peek_char((0x558d99e6bec0), _597654)
   Exit: (238) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Fail: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_602374, v('(', ')', end_of_file), 'I')
   Fail: (239) [system] arg(_603306, v('(', ')', end_of_file), 'I')
^  Fail: (238) [user] is_delimiter('I')
   Call: (238) [system] ')'=='I'
   Fail: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (238) [system] get_char((0x558d99e6bec0), 'I')
   Call: (238) [system] 'I'=(\)
   Fail: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _610656)
   Call: (239) [system] peek_char((0x558d99e6bec0), _611590)
   Exit: (239) [system] peek_char((0x558d99e6bec0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_616310, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_617242, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x558d99e6bec0), n)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _624592)
   Call: (240) [system] peek_char((0x558d99e6bec0), _625526)
   Exit: (240) [system] peek_char((0x558d99e6bec0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_630246, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_631178, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x558d99e6bec0), t)
   Exit: (240) [system] get_char((0x558d99e6bec0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _638528)
   Call: (241) [system] peek_char((0x558d99e6bec0), _639462)
   Exit: (241) [system] peek_char((0x558d99e6bec0), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Fail: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_644182, v('(', ')', end_of_file), r)
   Fail: (242) [system] arg(_645114, v('(', ')', end_of_file), r)
^  Fail: (241) [user] is_delimiter(r)
   Call: (241) [system] ')'==r
   Fail: (241) [system] ')'==r
   Call: (241) [system] get_char((0x558d99e6bec0), r)
   Exit: (241) [system] get_char((0x558d99e6bec0), r)
   Call: (241) [system] r=(\)
   Fail: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _652464)
   Call: (242) [system] peek_char((0x558d99e6bec0), _653398)
   Exit: (242) [system] peek_char((0x558d99e6bec0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_658118, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_659050, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x558d99e6bec0), o)
   Exit: (242) [system] get_char((0x558d99e6bec0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _666400)
   Call: (243) [system] peek_char((0x558d99e6bec0), _667334)
   Exit: (243) [system] peek_char((0x558d99e6bec0), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Fail: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_672054, v('(', ')', end_of_file), d)
   Fail: (244) [system] arg(_672986, v('(', ')', end_of_file), d)
^  Fail: (243) [user] is_delimiter(d)
   Call: (243) [system] ')'==d
   Fail: (243) [system] ')'==d
   Call: (243) [system] get_char((0x558d99e6bec0), d)
   Exit: (243) [system] get_char((0x558d99e6bec0), d)
   Call: (243) [system] d=(\)
   Fail: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _680336)
   Call: (244) [system] peek_char((0x558d99e6bec0), _681270)
   Exit: (244) [system] peek_char((0x558d99e6bec0), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Fail: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_685990, v('(', ')', end_of_file), u)
   Fail: (245) [system] arg(_686922, v('(', ')', end_of_file), u)
^  Fail: (244) [user] is_delimiter(u)
   Call: (244) [system] ')'==u
   Fail: (244) [system] ')'==u
   Call: (244) [system] get_char((0x558d99e6bec0), u)
   Exit: (244) [system] get_char((0x558d99e6bec0), u)
   Call: (244) [system] u=(\)
   Fail: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _694272)
   Call: (245) [system] peek_char((0x558d99e6bec0), _695206)
   Exit: (245) [system] peek_char((0x558d99e6bec0), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Fail: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_699926, v('(', ')', end_of_file), c)
   Fail: (246) [system] arg(_700858, v('(', ')', end_of_file), c)
^  Fail: (245) [user] is_delimiter(c)
   Call: (245) [system] ')'==c
   Fail: (245) [system] ')'==c
   Call: (245) [system] get_char((0x558d99e6bec0), c)
   Exit: (245) [system] get_char((0x558d99e6bec0), c)
   Call: (245) [system] c=(\)
   Fail: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _708208)
   Call: (246) [system] peek_char((0x558d99e6bec0), _709142)
   Exit: (246) [system] peek_char((0x558d99e6bec0), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Fail: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_713862, v('(', ')', end_of_file), t)
   Fail: (247) [system] arg(_714794, v('(', ')', end_of_file), t)
^  Fail: (246) [user] is_delimiter(t)
   Call: (246) [system] ')'==t
   Fail: (246) [system] ')'==t
   Call: (246) [system] get_char((0x558d99e6bec0), t)
   Exit: (246) [system] get_char((0x558d99e6bec0), t)
   Call: (246) [system] t=(\)
   Fail: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _722144)
   Call: (247) [system] peek_char((0x558d99e6bec0), _723078)
   Exit: (247) [system] peek_char((0x558d99e6bec0), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Fail: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_727798, v('(', ')', end_of_file), i)
   Fail: (248) [system] arg(_728730, v('(', ')', end_of_file), i)
^  Fail: (247) [user] is_delimiter(i)
   Call: (247) [system] ')'==i
   Fail: (247) [system] ')'==i
   Call: (247) [system] get_char((0x558d99e6bec0), i)
   Exit: (247) [system] get_char((0x558d99e6bec0), i)
   Call: (247) [system] i=(\)
   Fail: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _736080)
   Call: (248) [system] peek_char((0x558d99e6bec0), _737014)
   Exit: (248) [system] peek_char((0x558d99e6bec0), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Fail: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_741734, v('(', ')', end_of_file), o)
   Fail: (249) [system] arg(_742666, v('(', ')', end_of_file), o)
^  Fail: (248) [user] is_delimiter(o)
   Call: (248) [system] ')'==o
   Fail: (248) [system] ')'==o
   Call: (248) [system] get_char((0x558d99e6bec0), o)
   Exit: (248) [system] get_char((0x558d99e6bec0), o)
   Call: (248) [system] o=(\)
   Fail: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), _750016)
   Call: (249) [system] peek_char((0x558d99e6bec0), _750950)
   Exit: (249) [system] peek_char((0x558d99e6bec0), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Fail: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_755670, v('(', ')', end_of_file), n)
   Fail: (250) [system] arg(_756602, v('(', ')', end_of_file), n)
^  Fail: (249) [user] is_delimiter(n)
   Call: (249) [system] ')'==n
   Fail: (249) [system] ')'==n
   Call: (249) [system] get_char((0x558d99e6bec0), n)
   Exit: (249) [system] get_char((0x558d99e6bec0), n)
   Call: (249) [system] n=(\)
   Fail: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), _763952)
   Call: (250) [system] peek_char((0x558d99e6bec0), _764886)
   Exit: (250) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _763952=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (249) [system] _750016=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (248) [system] _736080=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (247) [system] _722144=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (246) [system] _708208=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (245) [system] _694272=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (244) [system] _680336=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (243) [system] _666400=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (242) [system] _652464=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _638528=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _624592=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _610656=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _596720=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _582784=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _568848=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _554912=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _540976=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _527040=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _513104=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _499168=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _485232=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _471296=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _457360=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _423706)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_835664, _835666), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _423706), _835640, fail)), '$restore_trace'(_835664, _835666))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_835664, _835666))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _423706), _835640, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_423706)
   Fail: (228) [system] atomic(_423706)
   Call: (228) [system] atom_chars(_423706, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _845040)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _846898)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _854636)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _857340)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _872418)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=')'
   Fail: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
   Fail: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _877988)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _879846)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(;)
   Fail: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Fail: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Fail: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
   Fail: (229) [system] char_type(a, cntrl)
^  Fail: (228) [user] is_like_space(a)
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _894000)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a='('
   Fail: (227) [system] a='('
   Call: (227) [system] a='['
   Fail: (227) [system] a='['
   Call: (227) [system] a='{'
   Fail: (227) [system] a='{'
   Call: (227) [system] a='"'
   Fail: (227) [system] a='"'
   Call: (227) [system] a=!
   Fail: (227) [system] a=!
   Call: (227) [system] a='\''
   Fail: (227) [system] a='\''
   Call: (227) [system] a='`'
   Fail: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), a, _877988)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _911642)
   Call: (229) [system] peek_char((0x558d99e6bec0), _912576)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _911642=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq(a, [], _877988)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_921886, _921888), once(user:catch(read_from_chars([a], _877988), _921862, fail)), '$restore_trace'(_921886, _921888))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_921886, _921888))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _921862, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _929386)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _931244)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _938982)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _941686)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _956764)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _962334)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _964192)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _978346)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), a, _962334)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _995988)
   Call: (230) [system] peek_char((0x558d99e6bec0), _996922)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1001642, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _995988=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq(a, [], _962334)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1008104, _1008106), once(user:catch(read_from_chars([a], _962334), _1008080, fail)), '$restore_trace'(_1008104, _1008106))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1008104, _1008106))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1008080, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1015604)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1017462)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1031616)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x558d99e6bec0), _1035406)
   Exit: (228) [system] get_char((0x558d99e6bec0), ')')
   Call: (228) [system] _1015604=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (227) [system] _929386=[a]
   Exit: (227) [system] [a]=[a]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (226) [system] _845040=[a, a]
   Exit: (226) [system] [a, a]=[a, a]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (225) [system] _382400=['DisjunctionIntroduction', a, a]
   Exit: (225) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1049288)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1051146)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1058884)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1061588)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1076666)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1082236)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1084094)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1098248)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1082236)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1103818)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=(;)
   Fail: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Fail: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Fail: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Fail: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
   Fail: (228) [system] char_type('O', cntrl)
^  Fail: (227) [user] is_like_space('O')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1117972)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=')'
   Fail: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
   Fail: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1123542)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1125400)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1139554)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'='('
   Fail: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Fail: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Fail: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Fail: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Fail: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Fail: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Fail: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1123542)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1157196)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1158130)
   Exit: (229) [system] peek_char((0x558d99e6bec0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1162850, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1163782, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x558d99e6bec0), r)
   Exit: (229) [system] get_char((0x558d99e6bec0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1171132)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1172066)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Fail: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1176786, v('(', ')', end_of_file), 'L')
   Fail: (231) [system] arg(_1177718, v('(', ')', end_of_file), 'L')
^  Fail: (230) [user] is_delimiter('L')
   Call: (230) [system] ')'=='L'
   Fail: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (230) [system] get_char((0x558d99e6bec0), 'L')
   Call: (230) [system] 'L'=(\)
   Fail: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1185068)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1186002)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1190722, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1191654, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1199004)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1199938)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1204658, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1205590, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1212940)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1213874)
   Exit: (233) [system] peek_char((0x558d99e6bec0), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Fail: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1218594, v('(', ')', end_of_file), k)
   Fail: (234) [system] arg(_1219526, v('(', ')', end_of_file), k)
^  Fail: (233) [user] is_delimiter(k)
   Call: (233) [system] ')'==k
   Fail: (233) [system] ')'==k
   Call: (233) [system] get_char((0x558d99e6bec0), k)
   Exit: (233) [system] get_char((0x558d99e6bec0), k)
   Call: (233) [system] k=(\)
   Fail: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1226876)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1227810)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1226876=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _1212940=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (232) [system] _1199004=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (231) [system] _1185068=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (230) [system] _1171132=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (229) [system] _1157196=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1123542)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1251090, _1251092), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1123542), _1251066, fail)), '$restore_trace'(_1251090, _1251092))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1251090, _1251092))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1123542), _1251066, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1123542)
   Fail: (229) [system] atomic(_1123542)
   Call: (229) [system] atom_chars(_1123542, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1260466)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1262324)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _1270062)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1272766)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1287844)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1293414)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1295272)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _1309426)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1293414)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1327068)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1328002)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1327068=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1293414)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1337312, _1337314), once(user:catch(read_from_chars(['A'], _1293414), _1337288, fail)), '$restore_trace'(_1337312, _1337314))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1337312, _1337314))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1293414), _1337288, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1293414)
   Fail: (230) [system] atomic(_1293414)
   Call: (230) [system] atom_chars(_1293414, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1346688)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1348546)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _1356284)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1358988)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1374066)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1379636)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1381494)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1395648)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1379636)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1413290)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1414224)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1418944, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1413290=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1379636)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1425406, _1425408), once(user:catch(read_from_chars(['B'], _1379636), _1425382, fail)), '$restore_trace'(_1425406, _1425408))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1425406, _1425408))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1379636), _1425382, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1379636)
   Fail: (231) [system] atomic(_1379636)
   Call: (231) [system] atom_chars(_1379636, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _1434782)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1436640)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1450794)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x558d99e6bec0), _1454584)
   Exit: (229) [system] get_char((0x558d99e6bec0), ')')
   Call: (229) [system] _1434782=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1346688=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (227) [system] _1260466=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (226) [system] _1082236=['OrLink', 'A', 'B']
   Exit: (226) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1468466)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1470324)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1484478)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _1488268)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _1468466=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1049288=[['OrLink', 'A', 'B']]
   Exit: (224) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', 'B']])
   Call: (223) [system] _349452=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (223) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
   Call: (222) [system] _256748=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (222) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1502150)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1504008)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (222) [system] '\n'=(;)
   Fail: (222) [system] '\n'=(;)
^  Call: (222) [user] is_like_space('\n')
   Call: (223) [system] char_type('\n', 'white')
   Fail: (223) [system] char_type('\n', 'white')
   Call: (223) [system] char_type('\n', end_of_line)
   Exit: (223) [system] char_type('\n', end_of_line)
^  Exit: (222) [user] is_like_space('\n')
   Call: (222) [system] get_char((0x558d99e6bec0), _1513602)
   Exit: (222) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1516306)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (223) [system] '\t'=(;)
   Fail: (223) [system] '\t'=(;)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x558d99e6bec0), _1524044)
   Exit: (223) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1526748)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x558d99e6bec0), _1534486)
   Exit: (224) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1537190)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1544928)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1547632)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1565482)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1571052)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1572910)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1587064)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1571052)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1592634)
   Exit: (224) [system] peek_char((0x558d99e6bec0), :)
   Call: (224) [system] (:)=(;)
   Fail: (224) [system] (:)=(;)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Fail: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Fail: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Fail: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
   Fail: (225) [system] char_type(:, cntrl)
^  Fail: (224) [user] is_like_space(:)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1606788)
   Exit: (223) [system] peek_char((0x558d99e6bec0), :)
   Call: (223) [system] (:)=')'
   Fail: (223) [system] (:)=')'
   Call: (223) [system] (:)=end_of_file
   Fail: (223) [system] (:)=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1612358)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1614216)
   Exit: (225) [system] peek_char((0x558d99e6bec0), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1628370)
   Exit: (224) [system] get_char((0x558d99e6bec0), :)
   Call: (224) [system] (:)='('
   Fail: (224) [system] (:)='('
   Call: (224) [system] (:)='['
   Fail: (224) [system] (:)='['
   Call: (224) [system] (:)='{'
   Fail: (224) [system] (:)='{'
   Call: (224) [system] (:)='"'
   Fail: (224) [system] (:)='"'
   Call: (224) [system] (:)=!
   Fail: (224) [system] (:)=!
   Call: (224) [system] (:)='\''
   Fail: (224) [system] (:)='\''
   Call: (224) [system] (:)='`'
   Fail: (224) [system] (:)='`'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), :, _1612358)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1646012)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1646946)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1646012=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq(:, [], _1612358)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1656256, _1656258), once(user:catch(read_from_chars([:], _1612358), _1656232, fail)), '$restore_trace'(_1656256, _1656258))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1656256, _1656258))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1656232, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(:)
   Exit: (226) [system] atomic(:)
^  Exit: (225) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1663756)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1665614)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1673352)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1676056)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1691134)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1696704)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1698562)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1712716)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1696704)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1718286)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1732440)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1738010)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1739868)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1754022)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1738010)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1771664)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1772598)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1777318, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1778250, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1785600)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1786534)
   Exit: (230) [system] peek_char((0x558d99e6bec0), s)
^  Call: (230) [user] is_delimiter(s)
   Call: (231) [system] char_type(s, space)
   Fail: (231) [system] char_type(s, space)
   Call: (231) [system] arg(_1791254, v('(', ')', end_of_file), s)
   Fail: (231) [system] arg(_1792186, v('(', ')', end_of_file), s)
^  Fail: (230) [user] is_delimiter(s)
   Call: (230) [system] ')'==s
   Fail: (230) [system] ')'==s
   Call: (230) [system] get_char((0x558d99e6bec0), s)
   Exit: (230) [system] get_char((0x558d99e6bec0), s)
   Call: (230) [system] s=(\)
   Fail: (230) [system] s=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1799536)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1800470)
   Exit: (231) [system] peek_char((0x558d99e6bec0), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Fail: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_1805190, v('(', ')', end_of_file), j)
   Fail: (232) [system] arg(_1806122, v('(', ')', end_of_file), j)
^  Fail: (231) [user] is_delimiter(j)
   Call: (231) [system] ')'==j
   Fail: (231) [system] ')'==j
   Call: (231) [system] get_char((0x558d99e6bec0), j)
   Exit: (231) [system] get_char((0x558d99e6bec0), j)
   Call: (231) [system] j=(\)
   Fail: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1813472)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1814406)
   Exit: (232) [system] peek_char((0x558d99e6bec0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1819126, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1820058, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x558d99e6bec0), u)
   Exit: (232) [system] get_char((0x558d99e6bec0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1827408)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1828342)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1833062, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1833994, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1841344)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1842278)
   Exit: (234) [system] peek_char((0x558d99e6bec0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1846998, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_1847930, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x558d99e6bec0), c)
   Exit: (234) [system] get_char((0x558d99e6bec0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1855280)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1856214)
   Exit: (235) [system] peek_char((0x558d99e6bec0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1860934, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1861866, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x558d99e6bec0), t)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1869216)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1870150)
   Exit: (236) [system] peek_char((0x558d99e6bec0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1874870, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_1875802, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x558d99e6bec0), i)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1883152)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1884086)
   Exit: (237) [system] peek_char((0x558d99e6bec0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1888806, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1889738, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x558d99e6bec0), o)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1897088)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1898022)
   Exit: (238) [system] peek_char((0x558d99e6bec0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1902742, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_1903674, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x558d99e6bec0), n)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1911024)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1911958)
   Exit: (239) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Fail: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_1916678, v('(', ')', end_of_file), 'I')
   Fail: (240) [system] arg(_1917610, v('(', ')', end_of_file), 'I')
^  Fail: (239) [user] is_delimiter('I')
   Call: (239) [system] ')'=='I'
   Fail: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (239) [system] get_char((0x558d99e6bec0), 'I')
   Call: (239) [system] 'I'=(\)
   Fail: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1924960)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1925894)
   Exit: (240) [system] peek_char((0x558d99e6bec0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1930614, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1931546, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x558d99e6bec0), n)
   Exit: (240) [system] get_char((0x558d99e6bec0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1938896)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1939830)
   Exit: (241) [system] peek_char((0x558d99e6bec0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1944550, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1945482, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x558d99e6bec0), t)
   Exit: (241) [system] get_char((0x558d99e6bec0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1952832)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1953766)
   Exit: (242) [system] peek_char((0x558d99e6bec0), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Fail: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_1958486, v('(', ')', end_of_file), r)
   Fail: (243) [system] arg(_1959418, v('(', ')', end_of_file), r)
^  Fail: (242) [user] is_delimiter(r)
   Call: (242) [system] ')'==r
   Fail: (242) [system] ')'==r
   Call: (242) [system] get_char((0x558d99e6bec0), r)
   Exit: (242) [system] get_char((0x558d99e6bec0), r)
   Call: (242) [system] r=(\)
   Fail: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1966768)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1967702)
   Exit: (243) [system] peek_char((0x558d99e6bec0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1972422, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1973354, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x558d99e6bec0), o)
   Exit: (243) [system] get_char((0x558d99e6bec0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1980704)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1981638)
   Exit: (244) [system] peek_char((0x558d99e6bec0), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Fail: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_1986358, v('(', ')', end_of_file), d)
   Fail: (245) [system] arg(_1987290, v('(', ')', end_of_file), d)
^  Fail: (244) [user] is_delimiter(d)
   Call: (244) [system] ')'==d
   Fail: (244) [system] ')'==d
   Call: (244) [system] get_char((0x558d99e6bec0), d)
   Exit: (244) [system] get_char((0x558d99e6bec0), d)
   Call: (244) [system] d=(\)
   Fail: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1994640)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1995574)
   Exit: (245) [system] peek_char((0x558d99e6bec0), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Fail: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_2000294, v('(', ')', end_of_file), u)
   Fail: (246) [system] arg(_2001226, v('(', ')', end_of_file), u)
^  Fail: (245) [user] is_delimiter(u)
   Call: (245) [system] ')'==u
   Fail: (245) [system] ')'==u
   Call: (245) [system] get_char((0x558d99e6bec0), u)
   Exit: (245) [system] get_char((0x558d99e6bec0), u)
   Call: (245) [system] u=(\)
   Fail: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2008576)
   Call: (246) [system] peek_char((0x558d99e6bec0), _2009510)
   Exit: (246) [system] peek_char((0x558d99e6bec0), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Fail: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_2014230, v('(', ')', end_of_file), c)
   Fail: (247) [system] arg(_2015162, v('(', ')', end_of_file), c)
^  Fail: (246) [user] is_delimiter(c)
   Call: (246) [system] ')'==c
   Fail: (246) [system] ')'==c
   Call: (246) [system] get_char((0x558d99e6bec0), c)
   Exit: (246) [system] get_char((0x558d99e6bec0), c)
   Call: (246) [system] c=(\)
   Fail: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2022512)
   Call: (247) [system] peek_char((0x558d99e6bec0), _2023446)
   Exit: (247) [system] peek_char((0x558d99e6bec0), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Fail: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_2028166, v('(', ')', end_of_file), t)
   Fail: (248) [system] arg(_2029098, v('(', ')', end_of_file), t)
^  Fail: (247) [user] is_delimiter(t)
   Call: (247) [system] ')'==t
   Fail: (247) [system] ')'==t
   Call: (247) [system] get_char((0x558d99e6bec0), t)
   Exit: (247) [system] get_char((0x558d99e6bec0), t)
   Call: (247) [system] t=(\)
   Fail: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2036448)
   Call: (248) [system] peek_char((0x558d99e6bec0), _2037382)
   Exit: (248) [system] peek_char((0x558d99e6bec0), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Fail: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_2042102, v('(', ')', end_of_file), i)
   Fail: (249) [system] arg(_2043034, v('(', ')', end_of_file), i)
^  Fail: (248) [user] is_delimiter(i)
   Call: (248) [system] ')'==i
   Fail: (248) [system] ')'==i
   Call: (248) [system] get_char((0x558d99e6bec0), i)
   Exit: (248) [system] get_char((0x558d99e6bec0), i)
   Call: (248) [system] i=(\)
   Fail: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2050384)
   Call: (249) [system] peek_char((0x558d99e6bec0), _2051318)
   Exit: (249) [system] peek_char((0x558d99e6bec0), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Fail: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_2056038, v('(', ')', end_of_file), o)
   Fail: (250) [system] arg(_2056970, v('(', ')', end_of_file), o)
^  Fail: (249) [user] is_delimiter(o)
   Call: (249) [system] ')'==o
   Fail: (249) [system] ')'==o
   Call: (249) [system] get_char((0x558d99e6bec0), o)
   Exit: (249) [system] get_char((0x558d99e6bec0), o)
   Call: (249) [system] o=(\)
   Fail: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2064320)
   Call: (250) [system] peek_char((0x558d99e6bec0), _2065254)
   Exit: (250) [system] peek_char((0x558d99e6bec0), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Fail: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_2069974, v('(', ')', end_of_file), n)
   Fail: (251) [system] arg(_2070906, v('(', ')', end_of_file), n)
^  Fail: (250) [user] is_delimiter(n)
   Call: (250) [system] ')'==n
   Fail: (250) [system] ')'==n
   Call: (250) [system] get_char((0x558d99e6bec0), n)
   Exit: (250) [system] get_char((0x558d99e6bec0), n)
   Call: (250) [system] n=(\)
   Fail: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2078256)
   Call: (251) [system] peek_char((0x558d99e6bec0), _2079190)
   Exit: (251) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _2078256=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (250) [system] _2064320=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (249) [system] _2050384=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (248) [system] _2036448=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (247) [system] _2022512=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (246) [system] _6470=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (245) [system] _6466=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (244) [system] _6462=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (243) [system] _6458=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _6454=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _6450=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _6446=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _6442=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _6438=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _6434=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _6430=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _6426=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _6422=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _6418=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _6414=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6410=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6406=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _6402=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6398)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_59564, _59566), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6398), _59540, fail)), '$restore_trace'(_59564, _59566))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_59564, _59566))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6398), _59540, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_6398)
   Fail: (229) [system] atomic(_6398)
   Call: (229) [system] atom_chars(_6398, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _68940)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _70798)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _78536)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _81240)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _96318)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
   Call: (227) [system] a=')'
   Fail: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
   Fail: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _101888)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _103746)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(;)
   Fail: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Fail: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Fail: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
   Fail: (230) [system] char_type(a, cntrl)
^  Fail: (229) [user] is_like_space(a)
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _117900)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] a='('
   Fail: (228) [system] a='('
   Call: (228) [system] a='['
   Fail: (228) [system] a='['
   Call: (228) [system] a='{'
   Fail: (228) [system] a='{'
   Call: (228) [system] a='"'
   Fail: (228) [system] a='"'
   Call: (228) [system] a=!
   Fail: (228) [system] a=!
   Call: (228) [system] a='\''
   Fail: (228) [system] a='\''
   Call: (228) [system] a='`'
   Fail: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), a, _101888)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _135542)
   Call: (230) [system] peek_char((0x558d99e6bec0), _136476)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _135542=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq(a, [], _101888)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_145786, _145788), once(user:catch(read_from_chars([a], _101888), _145762, fail)), '$restore_trace'(_145786, _145788))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_145786, _145788))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _145762, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _153286)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _155144)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _162882)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _165586)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _180664)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _186234)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _188092)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _202246)
   Exit: (229) [system] get_char((0x558d99e6bec0), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), a, _186234)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _219888)
   Call: (231) [system] peek_char((0x558d99e6bec0), _220822)
   Exit: (231) [system] peek_char((0x558d99e6bec0), b)
^  Call: (231) [user] is_delimiter(b)
   Call: (232) [system] char_type(b, space)
   Fail: (232) [system] char_type(b, space)
   Call: (232) [system] arg(_225542, v('(', ')', end_of_file), b)
   Fail: (232) [system] arg(_226474, v('(', ')', end_of_file), b)
^  Fail: (231) [user] is_delimiter(b)
   Call: (231) [system] ')'==b
   Fail: (231) [system] ')'==b
   Call: (231) [system] get_char((0x558d99e6bec0), b)
   Exit: (231) [system] get_char((0x558d99e6bec0), b)
   Call: (231) [system] b=(\)
   Fail: (231) [system] b=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _233824)
   Call: (232) [system] peek_char((0x558d99e6bec0), _234758)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_239478, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_240410, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247760)
   Call: (233) [system] peek_char((0x558d99e6bec0), _248694)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_253414, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _247760=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _233824=[c]
   Exit: (232) [system] [c]=[c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (231) [system] _219888=[b, c]
   Exit: (231) [system] [b, c]=[b, c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (230) [user] classify_and_convert_charseq(a, [b, c], _186234)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_265464, _265466), once(user:catch(read_from_chars([a, b, c], _186234), _265440, fail)), '$restore_trace'(_265464, _265466))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_265464, _265466))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _265440, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(abc)
   Exit: (231) [system] atomic(abc)
^  Exit: (230) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _272964)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _274822)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _288976)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x558d99e6bec0), _292766)
   Exit: (229) [system] get_char((0x558d99e6bec0), ')')
   Call: (229) [system] _272964=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (228) [system] _153286=[abc]
   Exit: (228) [system] [abc]=[abc]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (227) [system] _68940=[a, abc]
   Exit: (227) [system] [a, abc]=[a, abc]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [a, abc])
   Call: (226) [system] _6392=['DisjunctionIntroduction', a, abc]
   Exit: (226) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _306648)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _308506)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _316244)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _318948)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _334026)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _339596)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _341454)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _355608)
   Exit: (226) [system] get_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _339596)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _361178)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=(;)
   Fail: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Fail: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Fail: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Fail: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
   Fail: (229) [system] char_type('O', cntrl)
^  Fail: (228) [user] is_like_space('O')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _375332)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (227) [system] 'O'=')'
   Fail: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
   Fail: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _380902)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _382760)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _396914)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'='('
   Fail: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Fail: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Fail: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Fail: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Fail: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Fail: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Fail: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _380902)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _414556)
   Call: (230) [system] peek_char((0x558d99e6bec0), _415490)
   Exit: (230) [system] peek_char((0x558d99e6bec0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_420210, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_421142, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x558d99e6bec0), r)
   Exit: (230) [system] get_char((0x558d99e6bec0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _428492)
   Call: (231) [system] peek_char((0x558d99e6bec0), _429426)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_434146, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_435078, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _442428)
   Call: (232) [system] peek_char((0x558d99e6bec0), _443362)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_448082, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_449014, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _456364)
   Call: (233) [system] peek_char((0x558d99e6bec0), _457298)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_462018, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_462950, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _470300)
   Call: (234) [system] peek_char((0x558d99e6bec0), _471234)
   Exit: (234) [system] peek_char((0x558d99e6bec0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_475954, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_476886, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x558d99e6bec0), k)
   Exit: (234) [system] get_char((0x558d99e6bec0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _484236)
   Call: (235) [system] peek_char((0x558d99e6bec0), _485170)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _484236=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _470300=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (233) [system] _456364=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (232) [system] _442428=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (231) [system] _428492=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (230) [system] _414556=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _380902)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_508450, _508452), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _380902), _508426, fail)), '$restore_trace'(_508450, _508452))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_508450, _508452))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _380902), _508426, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_380902)
   Fail: (230) [system] atomic(_380902)
   Call: (230) [system] atom_chars(_380902, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _517826)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _519684)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _527422)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _530126)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _545204)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _550774)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _552632)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _566786)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _550774)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584428)
   Call: (231) [system] peek_char((0x558d99e6bec0), _585362)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _584428=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _550774)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_594672, _594674), once(user:catch(read_from_chars(['B'], _550774), _594648, fail)), '$restore_trace'(_594672, _594674))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_594672, _594674))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _550774), _594648, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_550774)
   Fail: (231) [system] atomic(_550774)
   Call: (231) [system] atom_chars(_550774, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _604048)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _605906)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _613644)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _616348)
   Exit: (231) [system] peek_char((0x558d99e6bec0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _631426)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=')'
   Fail: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
   Fail: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _636996)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _638854)
   Exit: (231) [system] peek_char((0x558d99e6bec0), '(')
   Call: (231) [system] '('=(;)
   Fail: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Fail: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Fail: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Fail: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
   Fail: (232) [system] char_type('(', cntrl)
^  Fail: (231) [user] is_like_space('(')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _653008)
   Exit: (230) [system] get_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _636996)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _658578)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (232) [system] 'I'=(;)
   Fail: (232) [system] 'I'=(;)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Fail: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Fail: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
   Fail: (233) [system] char_type('I', cntrl)
^  Fail: (232) [user] is_like_space('I')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _672732)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (231) [system] 'I'=')'
   Fail: (231) [system] 'I'=')'
   Call: (231) [system] 'I'=end_of_file
   Fail: (231) [system] 'I'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x558d99e6bec0), _678302)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _680160)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] get_char((0x558d99e6bec0), _694314)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'I')
   Call: (232) [system] 'I'='('
   Fail: (232) [system] 'I'='('
   Call: (232) [system] 'I'='['
   Fail: (232) [system] 'I'='['
   Call: (232) [system] 'I'='{'
   Fail: (232) [system] 'I'='{'
   Call: (232) [system] 'I'='"'
   Fail: (232) [system] 'I'='"'
   Call: (232) [system] 'I'=!
   Fail: (232) [system] 'I'=!
   Call: (232) [system] 'I'='\''
   Fail: (232) [system] 'I'='\''
   Call: (232) [system] 'I'='`'
   Fail: (232) [system] 'I'='`'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _678302)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _711956)
   Call: (234) [system] peek_char((0x558d99e6bec0), _712890)
   Exit: (234) [system] peek_char((0x558d99e6bec0), m)
^  Call: (234) [user] is_delimiter(m)
   Call: (235) [system] char_type(m, space)
   Fail: (235) [system] char_type(m, space)
   Call: (235) [system] arg(_717610, v('(', ')', end_of_file), m)
   Fail: (235) [system] arg(_718542, v('(', ')', end_of_file), m)
^  Fail: (234) [user] is_delimiter(m)
   Call: (234) [system] ')'==m
   Fail: (234) [system] ')'==m
   Call: (234) [system] get_char((0x558d99e6bec0), m)
   Exit: (234) [system] get_char((0x558d99e6bec0), m)
   Call: (234) [system] m=(\)
   Fail: (234) [system] m=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _725892)
   Call: (235) [system] peek_char((0x558d99e6bec0), _726826)
   Exit: (235) [system] peek_char((0x558d99e6bec0), p)
^  Call: (235) [user] is_delimiter(p)
   Call: (236) [system] char_type(p, space)
   Fail: (236) [system] char_type(p, space)
   Call: (236) [system] arg(_731546, v('(', ')', end_of_file), p)
   Fail: (236) [system] arg(_732478, v('(', ')', end_of_file), p)
^  Fail: (235) [user] is_delimiter(p)
   Call: (235) [system] ')'==p
   Fail: (235) [system] ')'==p
   Call: (235) [system] get_char((0x558d99e6bec0), p)
   Exit: (235) [system] get_char((0x558d99e6bec0), p)
   Call: (235) [system] p=(\)
   Fail: (235) [system] p=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _739828)
   Call: (236) [system] peek_char((0x558d99e6bec0), _740762)
   Exit: (236) [system] peek_char((0x558d99e6bec0), l)
^  Call: (236) [user] is_delimiter(l)
   Call: (237) [system] char_type(l, space)
   Fail: (237) [system] char_type(l, space)
   Call: (237) [system] arg(_745482, v('(', ')', end_of_file), l)
   Fail: (237) [system] arg(_746414, v('(', ')', end_of_file), l)
^  Fail: (236) [user] is_delimiter(l)
   Call: (236) [system] ')'==l
   Fail: (236) [system] ')'==l
   Call: (236) [system] get_char((0x558d99e6bec0), l)
   Exit: (236) [system] get_char((0x558d99e6bec0), l)
   Call: (236) [system] l=(\)
   Fail: (236) [system] l=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _753764)
   Call: (237) [system] peek_char((0x558d99e6bec0), _754698)
   Exit: (237) [system] peek_char((0x558d99e6bec0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_759418, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_760350, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x558d99e6bec0), i)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _767700)
   Call: (238) [system] peek_char((0x558d99e6bec0), _768634)
   Exit: (238) [system] peek_char((0x558d99e6bec0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_773354, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_774286, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x558d99e6bec0), c)
   Exit: (238) [system] get_char((0x558d99e6bec0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _781636)
   Call: (239) [system] peek_char((0x558d99e6bec0), _782570)
   Exit: (239) [system] peek_char((0x558d99e6bec0), a)
^  Call: (239) [user] is_delimiter(a)
   Call: (240) [system] char_type(a, space)
   Fail: (240) [system] char_type(a, space)
   Call: (240) [system] arg(_787290, v('(', ')', end_of_file), a)
   Fail: (240) [system] arg(_788222, v('(', ')', end_of_file), a)
^  Fail: (239) [user] is_delimiter(a)
   Call: (239) [system] ')'==a
   Fail: (239) [system] ')'==a
   Call: (239) [system] get_char((0x558d99e6bec0), a)
   Exit: (239) [system] get_char((0x558d99e6bec0), a)
   Call: (239) [system] a=(\)
   Fail: (239) [system] a=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _795572)
   Call: (240) [system] peek_char((0x558d99e6bec0), _796506)
   Exit: (240) [system] peek_char((0x558d99e6bec0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_801226, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_802158, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x558d99e6bec0), t)
   Exit: (240) [system] get_char((0x558d99e6bec0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _809508)
   Call: (241) [system] peek_char((0x558d99e6bec0), _810442)
   Exit: (241) [system] peek_char((0x558d99e6bec0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_815162, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_816094, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x558d99e6bec0), i)
   Exit: (241) [system] get_char((0x558d99e6bec0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _823444)
   Call: (242) [system] peek_char((0x558d99e6bec0), _824378)
   Exit: (242) [system] peek_char((0x558d99e6bec0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_829098, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_830030, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x558d99e6bec0), o)
   Exit: (242) [system] get_char((0x558d99e6bec0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _837380)
   Call: (243) [system] peek_char((0x558d99e6bec0), _838314)
   Exit: (243) [system] peek_char((0x558d99e6bec0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_843034, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_843966, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x558d99e6bec0), n)
   Exit: (243) [system] get_char((0x558d99e6bec0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _851316)
   Call: (244) [system] peek_char((0x558d99e6bec0), _852250)
   Exit: (244) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _851316=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (243) [system] _837380=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (242) [system] _823444=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (241) [system] _809508=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (240) [system] _795572=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (239) [system] _781636=[a, t, i, o, n]
   Exit: (239) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (238) [system] _767700=[c, a, t, i, o, n]
   Exit: (238) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (237) [system] _753764=[i, c, a, t, i, o, n]
   Exit: (237) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (236) [system] _739828=[l, i, c, a, t, i, o, n]
   Exit: (236) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (235) [system] _725892=[p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (234) [system] _711956=[m, p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _678302)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_889500, _889502), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _678302), _889476, fail)), '$restore_trace'(_889500, _889502))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_889500, _889502))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _678302), _889476, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_678302)
   Fail: (234) [system] atomic(_678302)
   Call: (234) [system] atom_chars(_678302, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (234) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (231) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _898876)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _900734)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x558d99e6bec0), _908472)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _911176)
   Exit: (234) [system] peek_char((0x558d99e6bec0), '(')
   Call: (234) [system] '('=(;)
   Fail: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Fail: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Fail: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Fail: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
   Fail: (235) [system] char_type('(', cntrl)
^  Fail: (234) [user] is_like_space('(')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _926254)
   Exit: (232) [system] peek_char((0x558d99e6bec0), '(')
   Call: (232) [system] '('=')'
   Fail: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
   Fail: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x558d99e6bec0), _931824)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _933682)
   Exit: (234) [system] peek_char((0x558d99e6bec0), '(')
   Call: (234) [system] '('=(;)
   Fail: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Fail: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Fail: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Fail: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
   Fail: (235) [system] char_type('(', cntrl)
^  Fail: (234) [user] is_like_space('(')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] get_char((0x558d99e6bec0), _947836)
   Exit: (233) [system] get_char((0x558d99e6bec0), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x558d99e6bec0), _931824)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _953406)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (235) [system] 'A'=(;)
   Fail: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Fail: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Fail: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Fail: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
   Fail: (236) [system] char_type('A', cntrl)
^  Fail: (235) [user] is_like_space('A')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _967560)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (234) [system] 'A'=')'
   Fail: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
   Fail: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x558d99e6bec0), _973130)
^  Call: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _974988)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (236) [system] 'A'=(;)
   Fail: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Fail: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Fail: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Fail: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
   Fail: (237) [system] char_type('A', cntrl)
^  Fail: (236) [user] is_like_space('A')
^  Exit: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] get_char((0x558d99e6bec0), _989142)
   Exit: (235) [system] get_char((0x558d99e6bec0), 'A')
   Call: (235) [system] 'A'='('
   Fail: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Fail: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Fail: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Fail: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Fail: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Fail: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Fail: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _973130)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1006784)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1007718)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1012438, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1013370, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1020720)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1021654)
   Exit: (238) [system] peek_char((0x558d99e6bec0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1026374, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_1027306, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x558d99e6bec0), d)
   Exit: (238) [system] get_char((0x558d99e6bec0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1034656)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1035590)
   Exit: (239) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Fail: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_1040310, v('(', ')', end_of_file), 'L')
   Fail: (240) [system] arg(_1041242, v('(', ')', end_of_file), 'L')
^  Fail: (239) [user] is_delimiter('L')
   Call: (239) [system] ')'=='L'
   Fail: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (239) [system] get_char((0x558d99e6bec0), 'L')
   Call: (239) [system] 'L'=(\)
   Fail: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1048592)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1049526)
   Exit: (240) [system] peek_char((0x558d99e6bec0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1054246, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1055178, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x558d99e6bec0), i)
   Exit: (240) [system] get_char((0x558d99e6bec0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1062528)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1063462)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1068182, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1069114, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1076464)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1077398)
   Exit: (242) [system] peek_char((0x558d99e6bec0), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Fail: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_1082118, v('(', ')', end_of_file), k)
   Fail: (243) [system] arg(_1083050, v('(', ')', end_of_file), k)
^  Fail: (242) [user] is_delimiter(k)
   Call: (242) [system] ')'==k
   Fail: (242) [system] ')'==k
   Call: (242) [system] get_char((0x558d99e6bec0), k)
   Exit: (242) [system] get_char((0x558d99e6bec0), k)
   Call: (242) [system] k=(\)
   Fail: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1090400)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1091334)
   Exit: (243) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1090400=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (242) [system] _1076464=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (241) [system] _1062528=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (240) [system] _1048592=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (239) [system] _1034656=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (238) [system] _1020720=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (237) [system] _1006784=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _973130)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1117408, _1117410), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _973130), _1117384, fail)), '$restore_trace'(_1117408, _1117410))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1117408, _1117410))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _973130), _1117384, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_973130)
   Fail: (237) [system] atomic(_973130)
   Call: (237) [system] atom_chars(_973130, ['A', n, d, 'L', i, n, k])
   Exit: (237) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (234) [user] read_list(')', (0x558d99e6bec0), _1126784)
^  Call: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _1128642)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (236) [system] ' '=(;)
   Fail: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x558d99e6bec0), _1136380)
   Exit: (236) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _1139084)
   Exit: (237) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _1154162)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (235) [system] 'A'=')'
   Fail: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
   Fail: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x558d99e6bec0), _1159732)
^  Call: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _1161590)
   Exit: (237) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (237) [system] 'A'=(;)
   Fail: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Fail: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Fail: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Fail: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
   Fail: (238) [system] char_type('A', cntrl)
^  Fail: (237) [user] is_like_space('A')
^  Exit: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] get_char((0x558d99e6bec0), _1175744)
   Exit: (236) [system] get_char((0x558d99e6bec0), 'A')
   Call: (236) [system] 'A'='('
   Fail: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Fail: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Fail: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Fail: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Fail: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Fail: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Fail: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
   Fail: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1159732)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1193386)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1194320)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1193386=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (237) [user] classify_and_convert_charseq('A', [], _1159732)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1203630, _1203632), once(user:catch(read_from_chars(['A'], _1159732), _1203606, fail)), '$restore_trace'(_1203630, _1203632))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1203630, _1203632))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1159732), _1203606, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1159732)
   Fail: (238) [system] atomic(_1159732)
   Call: (238) [system] atom_chars(_1159732, ['A'])
   Exit: (238) [system] atom_chars('A', ['A'])
^  Exit: (237) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (236) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (235) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (235) [user] read_list(')', (0x558d99e6bec0), _1213006)
^  Call: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _1214864)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x558d99e6bec0), _1222602)
   Exit: (237) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1225306)
   Exit: (238) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (238) [system] 'B'=(;)
   Fail: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Fail: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Fail: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Fail: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
   Fail: (239) [system] char_type('B', cntrl)
^  Fail: (238) [user] is_like_space('B')
^  Exit: (237) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _1240384)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (236) [system] 'B'=')'
   Fail: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
   Fail: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x558d99e6bec0), _1245954)
^  Call: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1247812)
   Exit: (238) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (238) [system] 'B'=(;)
   Fail: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Fail: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Fail: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Fail: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
   Fail: (239) [system] char_type('B', cntrl)
^  Fail: (238) [user] is_like_space('B')
^  Exit: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] get_char((0x558d99e6bec0), _1261966)
   Exit: (237) [system] get_char((0x558d99e6bec0), 'B')
   Call: (237) [system] 'B'='('
   Fail: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Fail: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Fail: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Fail: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Fail: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Fail: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Fail: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
   Fail: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1245954)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1279608)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1280542)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_1285262, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _1279608=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (238) [user] classify_and_convert_charseq('B', [], _1245954)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1291724, _1291726), once(user:catch(read_from_chars(['B'], _1245954), _1291700, fail)), '$restore_trace'(_1291724, _1291726))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1291724, _1291726))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1245954), _1291700, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1245954)
   Fail: (239) [system] atomic(_1245954)
   Call: (239) [system] atom_chars(_1245954, ['B'])
   Exit: (239) [system] atom_chars('B', ['B'])
^  Exit: (238) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (236) [user] read_list(')', (0x558d99e6bec0), _1301100)
^  Call: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1302958)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ')')
   Call: (238) [system] ')'=(;)
   Fail: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Fail: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Fail: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Fail: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
   Fail: (239) [system] char_type(')', cntrl)
^  Fail: (238) [user] is_like_space(')')
^  Exit: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _1317112)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x558d99e6bec0), _1320902)
   Exit: (237) [system] get_char((0x558d99e6bec0), ')')
   Call: (237) [system] _1301100=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (236) [system] _1213006=['B']
   Exit: (236) [system] ['B']=['B']
^  Exit: (235) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (235) [system] _1126784=['A', 'B']
   Exit: (235) [system] ['A', 'B']=['A', 'B']
^  Exit: (234) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (234) [system] _931824=['AndLink', 'A', 'B']
   Exit: (234) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (233) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (232) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (232) [user] read_list(')', (0x558d99e6bec0), _1334784)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _1336642)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x558d99e6bec0), _1344380)
   Exit: (234) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _1347084)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1362162)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (233) [system] 'C'=')'
   Fail: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
   Fail: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x558d99e6bec0), _1367732)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _1369590)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (235) [system] 'C'=(;)
   Fail: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Fail: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Fail: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Fail: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
   Fail: (236) [system] char_type('C', cntrl)
^  Fail: (235) [user] is_like_space('C')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] get_char((0x558d99e6bec0), _1383744)
   Exit: (234) [system] get_char((0x558d99e6bec0), 'C')
   Call: (234) [system] 'C'='('
   Fail: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Fail: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Fail: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Fail: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Fail: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Fail: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Fail: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
   Fail: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1367732)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1401386)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1402320)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1407040, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1401386=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (235) [user] classify_and_convert_charseq('C', [], _1367732)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1413502, _1413504), once(user:catch(read_from_chars(['C'], _1367732), _1413478, fail)), '$restore_trace'(_1413502, _1413504))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1413502, _1413504))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1367732), _1413478, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1367732)
   Fail: (236) [system] atomic(_1367732)
   Call: (236) [system] atom_chars(_1367732, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (233) [user] read_list(')', (0x558d99e6bec0), _1422878)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _1424736)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ')')
   Call: (235) [system] ')'=(;)
   Fail: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Fail: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Fail: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
   Fail: (236) [system] char_type(')', cntrl)
^  Fail: (235) [user] is_like_space(')')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _1438890)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x558d99e6bec0), _1442680)
   Exit: (234) [system] get_char((0x558d99e6bec0), ')')
   Call: (234) [system] _1422878=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (233) [system] _1334784=['C']
   Exit: (233) [system] ['C']=['C']
^  Exit: (232) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (232) [system] _898876=[['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (231) [system] _636996=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _1456562)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1458420)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1472574)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x558d99e6bec0), _1476364)
   Exit: (230) [system] get_char((0x558d99e6bec0), ')')
   Call: (230) [system] _1456562=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (229) [system] _604048=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (229) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (228) [system] _517826=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (228) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (227) [system] _339596=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (227) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1490246)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1492104)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1506258)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _1510048)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _1490246=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _306648=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (225) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (224) [system] _6388=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (224) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (223) [system] _6380=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (223) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1523930)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1525788)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (223) [system] '\n'=(;)
   Fail: (223) [system] '\n'=(;)
^  Call: (223) [user] is_like_space('\n')
   Call: (224) [system] char_type('\n', 'white')
   Fail: (224) [system] char_type('\n', 'white')
   Call: (224) [system] char_type('\n', end_of_line)
   Exit: (224) [system] char_type('\n', end_of_line)
^  Exit: (223) [user] is_like_space('\n')
   Call: (223) [system] get_char((0x558d99e6bec0), _1535382)
   Exit: (223) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1538086)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (224) [system] '\t'=(;)
   Fail: (224) [system] '\t'=(;)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x558d99e6bec0), _1545824)
   Exit: (224) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1548528)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x558d99e6bec0), _1556266)
   Exit: (225) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1558970)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1566708)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1569412)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1587262)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1592832)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1594690)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1608844)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1592832)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1614414)
   Exit: (225) [system] peek_char((0x558d99e6bec0), :)
   Call: (225) [system] (:)=(;)
   Fail: (225) [system] (:)=(;)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Fail: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Fail: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Fail: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
   Fail: (226) [system] char_type(:, cntrl)
^  Fail: (225) [user] is_like_space(:)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1628568)
   Exit: (224) [system] peek_char((0x558d99e6bec0), :)
   Call: (224) [system] (:)=')'
   Fail: (224) [system] (:)=')'
   Call: (224) [system] (:)=end_of_file
   Fail: (224) [system] (:)=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1634138)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1635996)
   Exit: (226) [system] peek_char((0x558d99e6bec0), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1650150)
   Exit: (225) [system] get_char((0x558d99e6bec0), :)
   Call: (225) [system] (:)='('
   Fail: (225) [system] (:)='('
   Call: (225) [system] (:)='['
   Fail: (225) [system] (:)='['
   Call: (225) [system] (:)='{'
   Fail: (225) [system] (:)='{'
   Call: (225) [system] (:)='"'
   Fail: (225) [system] (:)='"'
   Call: (225) [system] (:)=!
   Fail: (225) [system] (:)=!
   Call: (225) [system] (:)='\''
   Fail: (225) [system] (:)='\''
   Call: (225) [system] (:)='`'
   Fail: (225) [system] (:)='`'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), :, _1634138)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1667792)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1668726)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1667792=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq(:, [], _1634138)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1678036, _1678038), once(user:catch(read_from_chars([:], _1634138), _1678012, fail)), '$restore_trace'(_1678036, _1678038))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1678036, _1678038))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1678012, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(:)
   Exit: (227) [system] atomic(:)
^  Exit: (226) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1685536)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1687394)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1695132)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1697836)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1712914)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=')'
   Fail: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
   Fail: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1718484)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1720342)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=(;)
   Fail: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Fail: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Fail: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Fail: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
   Fail: (228) [system] char_type('(', cntrl)
^  Fail: (227) [user] is_like_space('(')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1734496)
   Exit: (226) [system] get_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1718484)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1740066)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1754220)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=')'
   Fail: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1759790)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1761648)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _1775802)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'='('
   Fail: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Fail: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Fail: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Fail: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Fail: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Fail: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Fail: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1759790)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1793444)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1794378)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1799098, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1800030, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1807380)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1808314)
   Exit: (231) [system] peek_char((0x558d99e6bec0), s)
^  Call: (231) [user] is_delimiter(s)
   Call: (232) [system] char_type(s, space)
   Fail: (232) [system] char_type(s, space)
   Call: (232) [system] arg(_1813034, v('(', ')', end_of_file), s)
   Fail: (232) [system] arg(_1813966, v('(', ')', end_of_file), s)
^  Fail: (231) [user] is_delimiter(s)
   Call: (231) [system] ')'==s
   Fail: (231) [system] ')'==s
   Call: (231) [system] get_char((0x558d99e6bec0), s)
   Exit: (231) [system] get_char((0x558d99e6bec0), s)
   Call: (231) [system] s=(\)
   Fail: (231) [system] s=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1821316)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1822250)
   Exit: (232) [system] peek_char((0x558d99e6bec0), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Fail: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_1826970, v('(', ')', end_of_file), j)
   Fail: (233) [system] arg(_1827902, v('(', ')', end_of_file), j)
^  Fail: (232) [user] is_delimiter(j)
   Call: (232) [system] ')'==j
   Fail: (232) [system] ')'==j
   Call: (232) [system] get_char((0x558d99e6bec0), j)
   Exit: (232) [system] get_char((0x558d99e6bec0), j)
   Call: (232) [system] j=(\)
   Fail: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1835252)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1836186)
   Exit: (233) [system] peek_char((0x558d99e6bec0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1840906, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_1841838, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x558d99e6bec0), u)
   Exit: (233) [system] get_char((0x558d99e6bec0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1849188)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1850122)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1854842, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1855774, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1863124)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1864058)
   Exit: (235) [system] peek_char((0x558d99e6bec0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1868778, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1869710, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x558d99e6bec0), c)
   Exit: (235) [system] get_char((0x558d99e6bec0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1877060)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1877994)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1882714, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1883646, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1890996)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1891930)
   Exit: (237) [system] peek_char((0x558d99e6bec0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1896650, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1897582, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x558d99e6bec0), i)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1904932)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1905866)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1910586, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1911518, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1918868)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1919802)
   Exit: (239) [system] peek_char((0x558d99e6bec0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1924522, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1925454, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x558d99e6bec0), n)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1932804)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1933738)
   Exit: (240) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Fail: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_1938458, v('(', ')', end_of_file), 'I')
   Fail: (241) [system] arg(_1939390, v('(', ')', end_of_file), 'I')
^  Fail: (240) [user] is_delimiter('I')
   Call: (240) [system] ')'=='I'
   Fail: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (240) [system] get_char((0x558d99e6bec0), 'I')
   Call: (240) [system] 'I'=(\)
   Fail: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1946740)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1947674)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1952394, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1953326, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1960676)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1961610)
   Exit: (242) [system] peek_char((0x558d99e6bec0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1966330, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1967262, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x558d99e6bec0), t)
   Exit: (242) [system] get_char((0x558d99e6bec0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1974612)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1975546)
   Exit: (243) [system] peek_char((0x558d99e6bec0), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Fail: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1980266, v('(', ')', end_of_file), r)
   Fail: (244) [system] arg(_1981198, v('(', ')', end_of_file), r)
^  Fail: (243) [user] is_delimiter(r)
   Call: (243) [system] ')'==r
   Fail: (243) [system] ')'==r
   Call: (243) [system] get_char((0x558d99e6bec0), r)
   Exit: (243) [system] get_char((0x558d99e6bec0), r)
   Call: (243) [system] r=(\)
   Fail: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1988548)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1989482)
   Exit: (244) [system] peek_char((0x558d99e6bec0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1994202, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1995134, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x558d99e6bec0), o)
   Exit: (244) [system] get_char((0x558d99e6bec0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2002484)
   Call: (245) [system] peek_char((0x558d99e6bec0), _2003418)
   Exit: (245) [system] peek_char((0x558d99e6bec0), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Fail: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_2008138, v('(', ')', end_of_file), d)
   Fail: (246) [system] arg(_2009070, v('(', ')', end_of_file), d)
^  Fail: (245) [user] is_delimiter(d)
   Call: (245) [system] ')'==d
   Fail: (245) [system] ')'==d
   Call: (245) [system] get_char((0x558d99e6bec0), d)
   Exit: (245) [system] get_char((0x558d99e6bec0), d)
   Call: (245) [system] d=(\)
   Fail: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2016420)
   Call: (246) [system] peek_char((0x558d99e6bec0), _2017354)
   Exit: (246) [system] peek_char((0x558d99e6bec0), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Fail: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_2022074, v('(', ')', end_of_file), u)
   Fail: (247) [system] arg(_2023006, v('(', ')', end_of_file), u)
^  Fail: (246) [user] is_delimiter(u)
   Call: (246) [system] ')'==u
   Fail: (246) [system] ')'==u
   Call: (246) [system] get_char((0x558d99e6bec0), u)
   Exit: (246) [system] get_char((0x558d99e6bec0), u)
   Call: (246) [system] u=(\)
   Fail: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2030356)
   Call: (247) [system] peek_char((0x558d99e6bec0), _2031290)
   Exit: (247) [system] peek_char((0x558d99e6bec0), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Fail: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_2036010, v('(', ')', end_of_file), c)
   Fail: (248) [system] arg(_2036942, v('(', ')', end_of_file), c)
^  Fail: (247) [user] is_delimiter(c)
   Call: (247) [system] ')'==c
   Fail: (247) [system] ')'==c
   Call: (247) [system] get_char((0x558d99e6bec0), c)
   Exit: (247) [system] get_char((0x558d99e6bec0), c)
   Call: (247) [system] c=(\)
   Fail: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2044292)
   Call: (248) [system] peek_char((0x558d99e6bec0), _2045226)
   Exit: (248) [system] peek_char((0x558d99e6bec0), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Fail: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_2049946, v('(', ')', end_of_file), t)
   Fail: (249) [system] arg(_2050878, v('(', ')', end_of_file), t)
^  Fail: (248) [user] is_delimiter(t)
   Call: (248) [system] ')'==t
   Fail: (248) [system] ')'==t
   Call: (248) [system] get_char((0x558d99e6bec0), t)
   Exit: (248) [system] get_char((0x558d99e6bec0), t)
   Call: (248) [system] t=(\)
   Fail: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2058228)
   Call: (249) [system] peek_char((0x558d99e6bec0), _2059162)
   Exit: (249) [system] peek_char((0x558d99e6bec0), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Fail: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_2063882, v('(', ')', end_of_file), i)
   Fail: (250) [system] arg(_2064814, v('(', ')', end_of_file), i)
^  Fail: (249) [user] is_delimiter(i)
   Call: (249) [system] ')'==i
   Fail: (249) [system] ')'==i
   Call: (249) [system] get_char((0x558d99e6bec0), i)
   Exit: (249) [system] get_char((0x558d99e6bec0), i)
   Call: (249) [system] i=(\)
   Fail: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2072164)
   Call: (250) [system] peek_char((0x558d99e6bec0), _2073098)
   Exit: (250) [system] peek_char((0x558d99e6bec0), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Fail: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_2077818, v('(', ')', end_of_file), o)
   Fail: (251) [system] arg(_2078750, v('(', ')', end_of_file), o)
^  Fail: (250) [user] is_delimiter(o)
   Call: (250) [system] ')'==o
   Fail: (250) [system] ')'==o
   Call: (250) [system] get_char((0x558d99e6bec0), o)
   Exit: (250) [system] get_char((0x558d99e6bec0), o)
   Call: (250) [system] o=(\)
   Fail: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2086100)
   Call: (251) [system] peek_char((0x558d99e6bec0), _2087034)
   Exit: (251) [system] peek_char((0x558d99e6bec0), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Fail: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_2091754, v('(', ')', end_of_file), n)
   Fail: (252) [system] arg(_2092686, v('(', ')', end_of_file), n)
^  Fail: (251) [user] is_delimiter(n)
   Call: (251) [system] ')'==n
   Fail: (251) [system] ')'==n
   Call: (251) [system] get_char((0x558d99e6bec0), n)
   Exit: (251) [system] get_char((0x558d99e6bec0), n)
   Call: (251) [system] n=(\)
   Fail: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x558d99e6bec0), _9894)
   Call: (252) [system] peek_char((0x558d99e6bec0), _10828)
   Exit: (252) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _9894=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (251) [system] _6582=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (250) [system] _6578=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (249) [system] _6574=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (248) [system] _6570=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (247) [system] _6566=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (246) [system] _6562=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (245) [system] _6558=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (244) [system] _6554=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _6550=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _6546=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _6542=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _6538=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _6534=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _6530=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _6526=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _6522=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _6518=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _6514=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _6510=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _6506=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6502=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6498=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6494)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_81606, _81608), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6494), _81582, fail)), '$restore_trace'(_81606, _81608))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_81606, _81608))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6494), _81582, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_6494)
   Fail: (230) [system] atomic(_6494)
   Call: (230) [system] atom_chars(_6494, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _90982)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _92840)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _100578)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _103282)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _118360)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
   Call: (228) [system] a=')'
   Fail: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
   Fail: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _123930)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _125788)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
   Call: (230) [system] a=(;)
   Fail: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Fail: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Fail: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Fail: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
   Fail: (231) [system] char_type(a, cntrl)
^  Fail: (230) [user] is_like_space(a)
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _139942)
   Exit: (229) [system] get_char((0x558d99e6bec0), a)
   Call: (229) [system] a='('
   Fail: (229) [system] a='('
   Call: (229) [system] a='['
   Fail: (229) [system] a='['
   Call: (229) [system] a='{'
   Fail: (229) [system] a='{'
   Call: (229) [system] a='"'
   Fail: (229) [system] a='"'
   Call: (229) [system] a=!
   Fail: (229) [system] a=!
   Call: (229) [system] a='\''
   Fail: (229) [system] a='\''
   Call: (229) [system] a='`'
   Fail: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), a, _123930)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _157584)
   Call: (231) [system] peek_char((0x558d99e6bec0), _158518)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _157584=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq(a, [], _123930)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_167828, _167830), once(user:catch(read_from_chars([a], _123930), _167804, fail)), '$restore_trace'(_167828, _167830))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_167828, _167830))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _167804, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _175328)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _177186)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _184924)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _187628)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(;)
   Fail: (231) [system] c=(;)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Fail: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Fail: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
   Fail: (232) [system] char_type(c, cntrl)
^  Fail: (231) [user] is_like_space(c)
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _202706)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
   Call: (229) [system] c=')'
   Fail: (229) [system] c=')'
   Call: (229) [system] c=end_of_file
   Fail: (229) [system] c=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _208276)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _210134)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(;)
   Fail: (231) [system] c=(;)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Fail: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Fail: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
   Fail: (232) [system] char_type(c, cntrl)
^  Fail: (231) [user] is_like_space(c)
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _224288)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c='('
   Fail: (230) [system] c='('
   Call: (230) [system] c='['
   Fail: (230) [system] c='['
   Call: (230) [system] c='{'
   Fail: (230) [system] c='{'
   Call: (230) [system] c='"'
   Fail: (230) [system] c='"'
   Call: (230) [system] c=!
   Fail: (230) [system] c=!
   Call: (230) [system] c='\''
   Fail: (230) [system] c='\''
   Call: (230) [system] c='`'
   Fail: (230) [system] c='`'
   Call: (230) [system] c=end_of_file
   Fail: (230) [system] c=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), c, _208276)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _241930)
   Call: (232) [system] peek_char((0x558d99e6bec0), _242864)
   Exit: (232) [system] peek_char((0x558d99e6bec0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_247584, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_248516, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x558d99e6bec0), d)
   Exit: (232) [system] get_char((0x558d99e6bec0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _255866)
   Call: (233) [system] peek_char((0x558d99e6bec0), _256800)
   Exit: (233) [system] peek_char((0x558d99e6bec0), e)
^  Call: (233) [user] is_delimiter(e)
   Call: (234) [system] char_type(e, space)
   Fail: (234) [system] char_type(e, space)
   Call: (234) [system] arg(_261520, v('(', ')', end_of_file), e)
   Fail: (234) [system] arg(_262452, v('(', ')', end_of_file), e)
^  Fail: (233) [user] is_delimiter(e)
   Call: (233) [system] ')'==e
   Fail: (233) [system] ')'==e
   Call: (233) [system] get_char((0x558d99e6bec0), e)
   Exit: (233) [system] get_char((0x558d99e6bec0), e)
   Call: (233) [system] e=(\)
   Fail: (233) [system] e=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _269802)
   Call: (234) [system] peek_char((0x558d99e6bec0), _270736)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_275456, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _269802=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _255866=[e]
   Exit: (233) [system] [e]=[e]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (232) [system] _241930=[d, e]
   Exit: (232) [system] [d, e]=[d, e]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (231) [user] classify_and_convert_charseq(c, [d, e], _208276)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_287506, _287508), once(user:catch(read_from_chars([c, d, e], _208276), _287482, fail)), '$restore_trace'(_287506, _287508))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_287506, _287508))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _287482, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(cde)
   Exit: (232) [system] atomic(cde)
^  Exit: (231) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _295006)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _296864)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=(;)
   Fail: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Fail: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Fail: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
   Fail: (232) [system] char_type(')', cntrl)
^  Fail: (231) [user] is_like_space(')')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _311018)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x558d99e6bec0), _314808)
   Exit: (230) [system] get_char((0x558d99e6bec0), ')')
   Call: (230) [system] _295006=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (229) [system] _175328=[cde]
   Exit: (229) [system] [cde]=[cde]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (228) [system] _90982=[a, cde]
   Exit: (228) [system] [a, cde]=[a, cde]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [a, cde])
   Call: (227) [system] _6488=['DisjunctionIntroduction', a, cde]
   Exit: (227) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _328690)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _330548)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _338286)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _340990)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _356068)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _361638)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _363496)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _377650)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _361638)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _383220)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _397374)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _402944)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _404802)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _418956)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _402944)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _436598)
   Call: (231) [system] peek_char((0x558d99e6bec0), _437532)
   Exit: (231) [system] peek_char((0x558d99e6bec0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_442252, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_443184, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x558d99e6bec0), r)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _450534)
   Call: (232) [system] peek_char((0x558d99e6bec0), _451468)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_456188, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_457120, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (232) [system] get_char((0x558d99e6bec0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _464470)
   Call: (233) [system] peek_char((0x558d99e6bec0), _465404)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_470124, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_471056, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _478406)
   Call: (234) [system] peek_char((0x558d99e6bec0), _479340)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_484060, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_484992, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _492342)
   Call: (235) [system] peek_char((0x558d99e6bec0), _493276)
   Exit: (235) [system] peek_char((0x558d99e6bec0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_497996, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_498928, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x558d99e6bec0), k)
   Exit: (235) [system] get_char((0x558d99e6bec0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506278)
   Call: (236) [system] peek_char((0x558d99e6bec0), _507212)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _506278=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _492342=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (234) [system] _478406=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (233) [system] _464470=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (232) [system] _450534=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (231) [system] _436598=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _402944)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_530492, _530494), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _402944), _530468, fail)), '$restore_trace'(_530492, _530494))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_530492, _530494))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _402944), _530468, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_402944)
   Fail: (231) [system] atomic(_402944)
   Call: (231) [system] atom_chars(_402944, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _539868)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _541726)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _549464)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _552168)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _567246)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (229) [system] 'B'=')'
   Fail: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _572816)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _574674)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (231) [system] 'B'=(;)
   Fail: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Fail: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Fail: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Fail: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
   Fail: (232) [system] char_type('B', cntrl)
^  Fail: (231) [user] is_like_space('B')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _588828)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'='('
   Fail: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Fail: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Fail: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Fail: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Fail: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Fail: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Fail: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _572816)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _606470)
   Call: (232) [system] peek_char((0x558d99e6bec0), _607404)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _606470=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq('B', [], _572816)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_616714, _616716), once(user:catch(read_from_chars(['B'], _572816), _616690, fail)), '$restore_trace'(_616714, _616716))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_616714, _616716))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _572816), _616690, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_572816)
   Fail: (232) [system] atomic(_572816)
   Call: (232) [system] atom_chars(_572816, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _626090)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _627948)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _635686)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _638390)
   Exit: (232) [system] peek_char((0x558d99e6bec0), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _653468)
   Exit: (230) [system] peek_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('=')'
   Fail: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
   Fail: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _659038)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _660896)
   Exit: (232) [system] peek_char((0x558d99e6bec0), '(')
   Call: (232) [system] '('=(;)
   Fail: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Fail: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Fail: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Fail: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
   Fail: (233) [system] char_type('(', cntrl)
^  Fail: (232) [user] is_like_space('(')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _675050)
   Exit: (231) [system] get_char((0x558d99e6bec0), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _659038)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _680620)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (233) [system] 'I'=(;)
   Fail: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Fail: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Fail: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
   Fail: (234) [system] char_type('I', cntrl)
^  Fail: (233) [user] is_like_space('I')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _694774)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (232) [system] 'I'=')'
   Fail: (232) [system] 'I'=')'
   Call: (232) [system] 'I'=end_of_file
   Fail: (232) [system] 'I'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x558d99e6bec0), _700344)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _702202)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (234) [system] 'I'=(;)
   Fail: (234) [system] 'I'=(;)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Fail: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Fail: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
   Fail: (235) [system] char_type('I', cntrl)
^  Fail: (234) [user] is_like_space('I')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] get_char((0x558d99e6bec0), _716356)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'I')
   Call: (233) [system] 'I'='('
   Fail: (233) [system] 'I'='('
   Call: (233) [system] 'I'='['
   Fail: (233) [system] 'I'='['
   Call: (233) [system] 'I'='{'
   Fail: (233) [system] 'I'='{'
   Call: (233) [system] 'I'='"'
   Fail: (233) [system] 'I'='"'
   Call: (233) [system] 'I'=!
   Fail: (233) [system] 'I'=!
   Call: (233) [system] 'I'='\''
   Fail: (233) [system] 'I'='\''
   Call: (233) [system] 'I'='`'
   Fail: (233) [system] 'I'='`'
   Call: (233) [system] 'I'=end_of_file
   Fail: (233) [system] 'I'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _700344)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _733998)
   Call: (235) [system] peek_char((0x558d99e6bec0), _734932)
   Exit: (235) [system] peek_char((0x558d99e6bec0), m)
^  Call: (235) [user] is_delimiter(m)
   Call: (236) [system] char_type(m, space)
   Fail: (236) [system] char_type(m, space)
   Call: (236) [system] arg(_739652, v('(', ')', end_of_file), m)
   Fail: (236) [system] arg(_740584, v('(', ')', end_of_file), m)
^  Fail: (235) [user] is_delimiter(m)
   Call: (235) [system] ')'==m
   Fail: (235) [system] ')'==m
   Call: (235) [system] get_char((0x558d99e6bec0), m)
   Exit: (235) [system] get_char((0x558d99e6bec0), m)
   Call: (235) [system] m=(\)
   Fail: (235) [system] m=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _747934)
   Call: (236) [system] peek_char((0x558d99e6bec0), _748868)
   Exit: (236) [system] peek_char((0x558d99e6bec0), p)
^  Call: (236) [user] is_delimiter(p)
   Call: (237) [system] char_type(p, space)
   Fail: (237) [system] char_type(p, space)
   Call: (237) [system] arg(_753588, v('(', ')', end_of_file), p)
   Fail: (237) [system] arg(_754520, v('(', ')', end_of_file), p)
^  Fail: (236) [user] is_delimiter(p)
   Call: (236) [system] ')'==p
   Fail: (236) [system] ')'==p
   Call: (236) [system] get_char((0x558d99e6bec0), p)
   Exit: (236) [system] get_char((0x558d99e6bec0), p)
   Call: (236) [system] p=(\)
   Fail: (236) [system] p=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _761870)
   Call: (237) [system] peek_char((0x558d99e6bec0), _762804)
   Exit: (237) [system] peek_char((0x558d99e6bec0), l)
^  Call: (237) [user] is_delimiter(l)
   Call: (238) [system] char_type(l, space)
   Fail: (238) [system] char_type(l, space)
   Call: (238) [system] arg(_767524, v('(', ')', end_of_file), l)
   Fail: (238) [system] arg(_768456, v('(', ')', end_of_file), l)
^  Fail: (237) [user] is_delimiter(l)
   Call: (237) [system] ')'==l
   Fail: (237) [system] ')'==l
   Call: (237) [system] get_char((0x558d99e6bec0), l)
   Exit: (237) [system] get_char((0x558d99e6bec0), l)
   Call: (237) [system] l=(\)
   Fail: (237) [system] l=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _775806)
   Call: (238) [system] peek_char((0x558d99e6bec0), _776740)
   Exit: (238) [system] peek_char((0x558d99e6bec0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_781460, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_782392, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x558d99e6bec0), i)
   Exit: (238) [system] get_char((0x558d99e6bec0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _789742)
   Call: (239) [system] peek_char((0x558d99e6bec0), _790676)
   Exit: (239) [system] peek_char((0x558d99e6bec0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_795396, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_796328, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x558d99e6bec0), c)
   Exit: (239) [system] get_char((0x558d99e6bec0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _803678)
   Call: (240) [system] peek_char((0x558d99e6bec0), _804612)
   Exit: (240) [system] peek_char((0x558d99e6bec0), a)
^  Call: (240) [user] is_delimiter(a)
   Call: (241) [system] char_type(a, space)
   Fail: (241) [system] char_type(a, space)
   Call: (241) [system] arg(_809332, v('(', ')', end_of_file), a)
   Fail: (241) [system] arg(_810264, v('(', ')', end_of_file), a)
^  Fail: (240) [user] is_delimiter(a)
   Call: (240) [system] ')'==a
   Fail: (240) [system] ')'==a
   Call: (240) [system] get_char((0x558d99e6bec0), a)
   Exit: (240) [system] get_char((0x558d99e6bec0), a)
   Call: (240) [system] a=(\)
   Fail: (240) [system] a=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _817614)
   Call: (241) [system] peek_char((0x558d99e6bec0), _818548)
   Exit: (241) [system] peek_char((0x558d99e6bec0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_823268, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_824200, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x558d99e6bec0), t)
   Exit: (241) [system] get_char((0x558d99e6bec0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _831550)
   Call: (242) [system] peek_char((0x558d99e6bec0), _832484)
   Exit: (242) [system] peek_char((0x558d99e6bec0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_837204, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_838136, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x558d99e6bec0), i)
   Exit: (242) [system] get_char((0x558d99e6bec0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _845486)
   Call: (243) [system] peek_char((0x558d99e6bec0), _846420)
   Exit: (243) [system] peek_char((0x558d99e6bec0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_851140, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_852072, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x558d99e6bec0), o)
   Exit: (243) [system] get_char((0x558d99e6bec0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _859422)
   Call: (244) [system] peek_char((0x558d99e6bec0), _860356)
   Exit: (244) [system] peek_char((0x558d99e6bec0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_865076, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_866008, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x558d99e6bec0), n)
   Exit: (244) [system] get_char((0x558d99e6bec0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _873358)
   Call: (245) [system] peek_char((0x558d99e6bec0), _874292)
   Exit: (245) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _873358=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (244) [system] _859422=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (243) [system] _845486=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (242) [system] _831550=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (241) [system] _817614=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (240) [system] _803678=[a, t, i, o, n]
   Exit: (240) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (239) [system] _789742=[c, a, t, i, o, n]
   Exit: (239) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (238) [system] _775806=[i, c, a, t, i, o, n]
   Exit: (238) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (237) [system] _761870=[l, i, c, a, t, i, o, n]
   Exit: (237) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (236) [system] _747934=[p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (235) [system] _733998=[m, p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _700344)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_911542, _911544), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _700344), _911518, fail)), '$restore_trace'(_911542, _911544))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_911542, _911544))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _700344), _911518, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_700344)
   Fail: (235) [system] atomic(_700344)
   Call: (235) [system] atom_chars(_700344, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (235) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (232) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (232) [user] read_list(')', (0x558d99e6bec0), _920918)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _922776)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (234) [system] ' '=(;)
   Fail: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x558d99e6bec0), _930514)
   Exit: (234) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _933218)
   Exit: (235) [system] peek_char((0x558d99e6bec0), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _948296)
   Exit: (233) [system] peek_char((0x558d99e6bec0), '(')
   Call: (233) [system] '('=')'
   Fail: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
   Fail: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x558d99e6bec0), _953866)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _955724)
   Exit: (235) [system] peek_char((0x558d99e6bec0), '(')
   Call: (235) [system] '('=(;)
   Fail: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Fail: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Fail: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Fail: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
   Fail: (236) [system] char_type('(', cntrl)
^  Fail: (235) [user] is_like_space('(')
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] get_char((0x558d99e6bec0), _969878)
   Exit: (234) [system] get_char((0x558d99e6bec0), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x558d99e6bec0), _953866)
^  Call: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _975448)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (236) [system] 'O'=(;)
   Fail: (236) [system] 'O'=(;)
^  Call: (236) [user] is_like_space('O')
   Call: (237) [system] char_type('O', 'white')
   Fail: (237) [system] char_type('O', 'white')
   Call: (237) [system] char_type('O', end_of_line)
   Fail: (237) [system] char_type('O', end_of_line)
   Call: (237) [system] char_type('O', space)
   Fail: (237) [system] char_type('O', space)
   Call: (237) [system] char_type('O', cntrl)
   Fail: (237) [system] char_type('O', cntrl)
^  Fail: (236) [user] is_like_space('O')
^  Exit: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _989602)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (235) [system] 'O'=')'
   Fail: (235) [system] 'O'=')'
   Call: (235) [system] 'O'=end_of_file
   Fail: (235) [system] 'O'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x558d99e6bec0), _995172)
^  Call: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _997030)
   Exit: (237) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (237) [system] 'O'=(;)
   Fail: (237) [system] 'O'=(;)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Fail: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Fail: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Fail: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
   Fail: (238) [system] char_type('O', cntrl)
^  Fail: (237) [user] is_like_space('O')
^  Exit: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] get_char((0x558d99e6bec0), _1011184)
   Exit: (236) [system] get_char((0x558d99e6bec0), 'O')
   Call: (236) [system] 'O'='('
   Fail: (236) [system] 'O'='('
   Call: (236) [system] 'O'='['
   Fail: (236) [system] 'O'='['
   Call: (236) [system] 'O'='{'
   Fail: (236) [system] 'O'='{'
   Call: (236) [system] 'O'='"'
   Fail: (236) [system] 'O'='"'
   Call: (236) [system] 'O'=!
   Fail: (236) [system] 'O'=!
   Call: (236) [system] 'O'='\''
   Fail: (236) [system] 'O'='\''
   Call: (236) [system] 'O'='`'
   Fail: (236) [system] 'O'='`'
   Call: (236) [system] 'O'=end_of_file
   Fail: (236) [system] 'O'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _995172)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028826)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1029760)
   Exit: (238) [system] peek_char((0x558d99e6bec0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_1034480, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_1035412, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x558d99e6bec0), r)
   Exit: (238) [system] get_char((0x558d99e6bec0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1042762)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1043696)
   Exit: (239) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Fail: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_1048416, v('(', ')', end_of_file), 'L')
   Fail: (240) [system] arg(_1049348, v('(', ')', end_of_file), 'L')
^  Fail: (239) [user] is_delimiter('L')
   Call: (239) [system] ')'=='L'
   Fail: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (239) [system] get_char((0x558d99e6bec0), 'L')
   Call: (239) [system] 'L'=(\)
   Fail: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1056698)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1057632)
   Exit: (240) [system] peek_char((0x558d99e6bec0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1062352, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1063284, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x558d99e6bec0), i)
   Exit: (240) [system] get_char((0x558d99e6bec0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1070634)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1071568)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1076288, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1077220, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1084570)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1085504)
   Exit: (242) [system] peek_char((0x558d99e6bec0), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Fail: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_1090224, v('(', ')', end_of_file), k)
   Fail: (243) [system] arg(_1091156, v('(', ')', end_of_file), k)
^  Fail: (242) [user] is_delimiter(k)
   Call: (242) [system] ')'==k
   Fail: (242) [system] ')'==k
   Call: (242) [system] get_char((0x558d99e6bec0), k)
   Exit: (242) [system] get_char((0x558d99e6bec0), k)
   Call: (242) [system] k=(\)
   Fail: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1098506)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1099440)
   Exit: (243) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1098506=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (242) [system] _1084570=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (241) [system] _1070634=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (240) [system] _1056698=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (239) [system] _1042762=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (238) [system] _1028826=[r, 'L', i, n, k]
   Exit: (238) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _995172)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1122720, _1122722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _995172), _1122696, fail)), '$restore_trace'(_1122720, _1122722))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1122720, _1122722))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _995172), _1122696, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_995172)
   Fail: (238) [system] atomic(_995172)
   Call: (238) [system] atom_chars(_995172, ['O', r, 'L', i, n, k])
   Exit: (238) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (236) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (235) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (235) [user] read_list(')', (0x558d99e6bec0), _1132096)
^  Call: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _1133954)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (237) [system] ' '=(;)
   Fail: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x558d99e6bec0), _1141692)
   Exit: (237) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1144396)
   Exit: (238) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (238) [system] 'C'=(;)
   Fail: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Fail: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Fail: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Fail: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
   Fail: (239) [system] char_type('C', cntrl)
^  Fail: (238) [user] is_like_space('C')
^  Exit: (237) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (236) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _1159474)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (236) [system] 'C'=')'
   Fail: (236) [system] 'C'=')'
   Call: (236) [system] 'C'=end_of_file
   Fail: (236) [system] 'C'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x558d99e6bec0), _1165044)
^  Call: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1166902)
   Exit: (238) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (238) [system] 'C'=(;)
   Fail: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Fail: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Fail: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Fail: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
   Fail: (239) [system] char_type('C', cntrl)
^  Fail: (238) [user] is_like_space('C')
^  Exit: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] get_char((0x558d99e6bec0), _1181056)
   Exit: (237) [system] get_char((0x558d99e6bec0), 'C')
   Call: (237) [system] 'C'='('
   Fail: (237) [system] 'C'='('
   Call: (237) [system] 'C'='['
   Fail: (237) [system] 'C'='['
   Call: (237) [system] 'C'='{'
   Fail: (237) [system] 'C'='{'
   Call: (237) [system] 'C'='"'
   Fail: (237) [system] 'C'='"'
   Call: (237) [system] 'C'=!
   Fail: (237) [system] 'C'=!
   Call: (237) [system] 'C'='\''
   Fail: (237) [system] 'C'='\''
   Call: (237) [system] 'C'='`'
   Fail: (237) [system] 'C'='`'
   Call: (237) [system] 'C'=end_of_file
   Fail: (237) [system] 'C'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1165044)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1198698)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1199632)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1198698=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (238) [user] classify_and_convert_charseq('C', [], _1165044)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1208942, _1208944), once(user:catch(read_from_chars(['C'], _1165044), _1208918, fail)), '$restore_trace'(_1208942, _1208944))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1208942, _1208944))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1165044), _1208918, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1165044)
   Fail: (239) [system] atomic(_1165044)
   Call: (239) [system] atom_chars(_1165044, ['C'])
   Exit: (239) [system] atom_chars('C', ['C'])
^  Exit: (238) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (237) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (236) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (236) [user] read_list(')', (0x558d99e6bec0), _1218318)
^  Call: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1220176)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (238) [system] ' '=(;)
   Fail: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x558d99e6bec0), _1227914)
   Exit: (238) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] skip_spaces((0x558d99e6bec0))
   Call: (239) [system] peek_char((0x558d99e6bec0), _1230618)
   Exit: (239) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (239) [system] 'D'=(;)
   Fail: (239) [system] 'D'=(;)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Fail: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Fail: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Fail: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
   Fail: (240) [system] char_type('D', cntrl)
^  Fail: (239) [user] is_like_space('D')
^  Exit: (238) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (237) [user] skip_spaces((0x558d99e6bec0))
   Call: (237) [system] peek_char((0x558d99e6bec0), _1245696)
   Exit: (237) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (237) [system] 'D'=')'
   Fail: (237) [system] 'D'=')'
   Call: (237) [system] 'D'=end_of_file
   Fail: (237) [system] 'D'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x558d99e6bec0), _1251266)
^  Call: (238) [user] skip_spaces((0x558d99e6bec0))
   Call: (239) [system] peek_char((0x558d99e6bec0), _1253124)
   Exit: (239) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (239) [system] 'D'=(;)
   Fail: (239) [system] 'D'=(;)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Fail: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Fail: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Fail: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
   Fail: (240) [system] char_type('D', cntrl)
^  Fail: (239) [user] is_like_space('D')
^  Exit: (238) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] get_char((0x558d99e6bec0), _1267278)
   Exit: (238) [system] get_char((0x558d99e6bec0), 'D')
   Call: (238) [system] 'D'='('
   Fail: (238) [system] 'D'='('
   Call: (238) [system] 'D'='['
   Fail: (238) [system] 'D'='['
   Call: (238) [system] 'D'='{'
   Fail: (238) [system] 'D'='{'
   Call: (238) [system] 'D'='"'
   Fail: (238) [system] 'D'='"'
   Call: (238) [system] 'D'=!
   Fail: (238) [system] 'D'=!
   Call: (238) [system] 'D'='\''
   Fail: (238) [system] 'D'='\''
   Call: (238) [system] 'D'='`'
   Fail: (238) [system] 'D'='`'
   Call: (238) [system] 'D'=end_of_file
   Fail: (238) [system] 'D'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1251266)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1284920)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1285854)
   Exit: (240) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Fail: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_1290574, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _1284920=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (239) [user] classify_and_convert_charseq('D', [], _1251266)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1297036, _1297038), once(user:catch(read_from_chars(['D'], _1251266), _1297012, fail)), '$restore_trace'(_1297036, _1297038))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1297036, _1297038))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1251266), _1297012, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1251266)
   Fail: (240) [system] atomic(_1251266)
   Call: (240) [system] atom_chars(_1251266, ['D'])
   Exit: (240) [system] atom_chars('D', ['D'])
^  Exit: (239) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (238) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (237) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (237) [user] read_list(')', (0x558d99e6bec0), _1306412)
^  Call: (238) [user] skip_spaces((0x558d99e6bec0))
   Call: (239) [system] peek_char((0x558d99e6bec0), _1308270)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ')')
   Call: (239) [system] ')'=(;)
   Fail: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Fail: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Fail: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Fail: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
   Fail: (240) [system] char_type(')', cntrl)
^  Fail: (239) [user] is_like_space(')')
^  Exit: (238) [user] skip_spaces((0x558d99e6bec0))
   Call: (238) [system] peek_char((0x558d99e6bec0), _1322424)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x558d99e6bec0), _1326214)
   Exit: (238) [system] get_char((0x558d99e6bec0), ')')
   Call: (238) [system] _1306412=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (237) [system] _1218318=['D']
   Exit: (237) [system] ['D']=['D']
^  Exit: (236) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (236) [system] _1132096=['C', 'D']
   Exit: (236) [system] ['C', 'D']=['C', 'D']
^  Exit: (235) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (235) [system] _953866=['OrLink', 'C', 'D']
   Exit: (235) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (234) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (233) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (233) [user] read_list(')', (0x558d99e6bec0), _1340096)
^  Call: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _1341954)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (235) [system] ' '=(;)
   Fail: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x558d99e6bec0), _1349692)
   Exit: (235) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _1352396)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (236) [system] 'E'=(;)
   Fail: (236) [system] 'E'=(;)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Fail: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Fail: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
   Fail: (237) [system] char_type('E', cntrl)
^  Fail: (236) [user] is_like_space('E')
^  Exit: (235) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (234) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _1367474)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (234) [system] 'E'=')'
   Fail: (234) [system] 'E'=')'
   Call: (234) [system] 'E'=end_of_file
   Fail: (234) [system] 'E'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x558d99e6bec0), _1373044)
^  Call: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _1374902)
   Exit: (236) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (236) [system] 'E'=(;)
   Fail: (236) [system] 'E'=(;)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Fail: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Fail: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Fail: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
   Fail: (237) [system] char_type('E', cntrl)
^  Fail: (236) [user] is_like_space('E')
^  Exit: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] get_char((0x558d99e6bec0), _1389056)
   Exit: (235) [system] get_char((0x558d99e6bec0), 'E')
   Call: (235) [system] 'E'='('
   Fail: (235) [system] 'E'='('
   Call: (235) [system] 'E'='['
   Fail: (235) [system] 'E'='['
   Call: (235) [system] 'E'='{'
   Fail: (235) [system] 'E'='{'
   Call: (235) [system] 'E'='"'
   Fail: (235) [system] 'E'='"'
   Call: (235) [system] 'E'=!
   Fail: (235) [system] 'E'=!
   Call: (235) [system] 'E'='\''
   Fail: (235) [system] 'E'='\''
   Call: (235) [system] 'E'='`'
   Fail: (235) [system] 'E'='`'
   Call: (235) [system] 'E'=end_of_file
   Fail: (235) [system] 'E'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1373044)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1406698)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1407632)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Fail: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1412352, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1406698=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (236) [user] classify_and_convert_charseq('E', [], _1373044)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1418814, _1418816), once(user:catch(read_from_chars(['E'], _1373044), _1418790, fail)), '$restore_trace'(_1418814, _1418816))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1418814, _1418816))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1373044), _1418790, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1373044)
   Fail: (237) [system] atomic(_1373044)
   Call: (237) [system] atom_chars(_1373044, ['E'])
   Exit: (237) [system] atom_chars('E', ['E'])
^  Exit: (236) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (235) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (234) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (234) [user] read_list(')', (0x558d99e6bec0), _1428190)
^  Call: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (236) [system] peek_char((0x558d99e6bec0), _1430048)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ')')
   Call: (236) [system] ')'=(;)
   Fail: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Fail: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Fail: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Fail: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
   Fail: (237) [system] char_type(')', cntrl)
^  Fail: (236) [user] is_like_space(')')
^  Exit: (235) [user] skip_spaces((0x558d99e6bec0))
   Call: (235) [system] peek_char((0x558d99e6bec0), _1444202)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x558d99e6bec0), _1447992)
   Exit: (235) [system] get_char((0x558d99e6bec0), ')')
   Call: (235) [system] _1428190=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (234) [system] _1340096=['E']
   Exit: (234) [system] ['E']=['E']
^  Exit: (233) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (233) [system] _920918=[['OrLink', 'C', 'D'], 'E']
   Exit: (233) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (232) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (232) [system] _659038=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (232) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _1461874)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1463732)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1477886)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x558d99e6bec0), _1481676)
   Exit: (231) [system] get_char((0x558d99e6bec0), ')')
   Call: (231) [system] _1461874=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (230) [system] _626090=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (230) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (229) [system] _539868=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (229) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (228) [system] _361638=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (228) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1495558)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1497416)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1511570)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _1515360)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _1495558=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _328690=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (226) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (225) [system] _6484=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (225) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (224) [system] _6476=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (224) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1529242)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1531100)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (224) [system] '\n'=(;)
   Fail: (224) [system] '\n'=(;)
^  Call: (224) [user] is_like_space('\n')
   Call: (225) [system] char_type('\n', 'white')
   Fail: (225) [system] char_type('\n', 'white')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
^  Exit: (224) [user] is_like_space('\n')
   Call: (224) [system] get_char((0x558d99e6bec0), _1540694)
   Exit: (224) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1543398)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (225) [system] '\t'=(;)
   Fail: (225) [system] '\t'=(;)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x558d99e6bec0), _1551136)
   Exit: (225) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1553840)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x558d99e6bec0), _1561578)
   Exit: (226) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1564282)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1572020)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1574724)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1592574)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1598144)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1600002)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1614156)
   Exit: (224) [system] get_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1598144)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1619726)
   Exit: (226) [system] peek_char((0x558d99e6bec0), :)
   Call: (226) [system] (:)=(;)
   Fail: (226) [system] (:)=(;)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Fail: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Fail: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Fail: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
   Fail: (227) [system] char_type(:, cntrl)
^  Fail: (226) [user] is_like_space(:)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1633880)
   Exit: (225) [system] peek_char((0x558d99e6bec0), :)
   Call: (225) [system] (:)=')'
   Fail: (225) [system] (:)=')'
   Call: (225) [system] (:)=end_of_file
   Fail: (225) [system] (:)=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1639450)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1641308)
   Exit: (227) [system] peek_char((0x558d99e6bec0), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1655462)
   Exit: (226) [system] get_char((0x558d99e6bec0), :)
   Call: (226) [system] (:)='('
   Fail: (226) [system] (:)='('
   Call: (226) [system] (:)='['
   Fail: (226) [system] (:)='['
   Call: (226) [system] (:)='{'
   Fail: (226) [system] (:)='{'
   Call: (226) [system] (:)='"'
   Fail: (226) [system] (:)='"'
   Call: (226) [system] (:)=!
   Fail: (226) [system] (:)=!
   Call: (226) [system] (:)='\''
   Fail: (226) [system] (:)='\''
   Call: (226) [system] (:)='`'
   Fail: (226) [system] (:)='`'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), :, _1639450)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1673104)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1674038)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1673104=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq(:, [], _1639450)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1683348, _1683350), once(user:catch(read_from_chars([:], _1639450), _1683324, fail)), '$restore_trace'(_1683348, _1683350))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1683348, _1683350))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1683324, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(:)
   Exit: (228) [system] atomic(:)
^  Exit: (227) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1690848)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1692706)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1700444)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1703148)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1718226)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1723796)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1725654)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1739808)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1723796)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1745378)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=(;)
   Fail: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Fail: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Fail: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Fail: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
   Fail: (230) [system] char_type('D', cntrl)
^  Fail: (229) [user] is_like_space('D')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1759532)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=')'
   Fail: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
   Fail: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1765102)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1766960)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1781114)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'='('
   Fail: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Fail: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Fail: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Fail: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Fail: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Fail: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Fail: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1765102)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1798756)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1799690)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1804410, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1805342, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1812692)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1813626)
   Exit: (232) [system] peek_char((0x558d99e6bec0), s)
^  Call: (232) [user] is_delimiter(s)
   Call: (233) [system] char_type(s, space)
   Fail: (233) [system] char_type(s, space)
   Call: (233) [system] arg(_1818346, v('(', ')', end_of_file), s)
   Fail: (233) [system] arg(_1819278, v('(', ')', end_of_file), s)
^  Fail: (232) [user] is_delimiter(s)
   Call: (232) [system] ')'==s
   Fail: (232) [system] ')'==s
   Call: (232) [system] get_char((0x558d99e6bec0), s)
   Exit: (232) [system] get_char((0x558d99e6bec0), s)
   Call: (232) [system] s=(\)
   Fail: (232) [system] s=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1826628)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1827562)
   Exit: (233) [system] peek_char((0x558d99e6bec0), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Fail: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_1832282, v('(', ')', end_of_file), j)
   Fail: (234) [system] arg(_1833214, v('(', ')', end_of_file), j)
^  Fail: (233) [user] is_delimiter(j)
   Call: (233) [system] ')'==j
   Fail: (233) [system] ')'==j
   Call: (233) [system] get_char((0x558d99e6bec0), j)
   Exit: (233) [system] get_char((0x558d99e6bec0), j)
   Call: (233) [system] j=(\)
   Fail: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1840564)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1841498)
   Exit: (234) [system] peek_char((0x558d99e6bec0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1846218, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1847150, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x558d99e6bec0), u)
   Exit: (234) [system] get_char((0x558d99e6bec0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1854500)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1855434)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1860154, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1861086, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1868436)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1869370)
   Exit: (236) [system] peek_char((0x558d99e6bec0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1874090, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_1875022, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x558d99e6bec0), c)
   Exit: (236) [system] get_char((0x558d99e6bec0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1882372)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1883306)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1888026, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_1888958, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1896308)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1897242)
   Exit: (238) [system] peek_char((0x558d99e6bec0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1901962, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_1902894, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x558d99e6bec0), i)
   Exit: (238) [system] get_char((0x558d99e6bec0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1910244)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1911178)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1915898, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_1916830, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1924180)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1925114)
   Exit: (240) [system] peek_char((0x558d99e6bec0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1929834, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_1930766, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x558d99e6bec0), n)
   Exit: (240) [system] get_char((0x558d99e6bec0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1938116)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1939050)
   Exit: (241) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Fail: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_1943770, v('(', ')', end_of_file), 'I')
   Fail: (242) [system] arg(_1944702, v('(', ')', end_of_file), 'I')
^  Fail: (241) [user] is_delimiter('I')
   Call: (241) [system] ')'=='I'
   Fail: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (241) [system] get_char((0x558d99e6bec0), 'I')
   Call: (241) [system] 'I'=(\)
   Fail: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1952052)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1952986)
   Exit: (242) [system] peek_char((0x558d99e6bec0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1957706, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1958638, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x558d99e6bec0), n)
   Exit: (242) [system] get_char((0x558d99e6bec0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1965988)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1966922)
   Exit: (243) [system] peek_char((0x558d99e6bec0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1971642, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_1972574, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x558d99e6bec0), t)
   Exit: (243) [system] get_char((0x558d99e6bec0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1979924)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1980858)
   Exit: (244) [system] peek_char((0x558d99e6bec0), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Fail: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_1985578, v('(', ')', end_of_file), r)
   Fail: (245) [system] arg(_1986510, v('(', ')', end_of_file), r)
^  Fail: (244) [user] is_delimiter(r)
   Call: (244) [system] ')'==r
   Fail: (244) [system] ')'==r
   Call: (244) [system] get_char((0x558d99e6bec0), r)
   Exit: (244) [system] get_char((0x558d99e6bec0), r)
   Call: (244) [system] r=(\)
   Fail: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1993860)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1994794)
   Exit: (245) [system] peek_char((0x558d99e6bec0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1999514, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_2000446, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x558d99e6bec0), o)
   Exit: (245) [system] get_char((0x558d99e6bec0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2007796)
   Call: (246) [system] peek_char((0x558d99e6bec0), _2008730)
   Exit: (246) [system] peek_char((0x558d99e6bec0), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Fail: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_2013450, v('(', ')', end_of_file), d)
   Fail: (247) [system] arg(_2014382, v('(', ')', end_of_file), d)
^  Fail: (246) [user] is_delimiter(d)
   Call: (246) [system] ')'==d
   Fail: (246) [system] ')'==d
   Call: (246) [system] get_char((0x558d99e6bec0), d)
   Exit: (246) [system] get_char((0x558d99e6bec0), d)
   Call: (246) [system] d=(\)
   Fail: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2021732)
   Call: (247) [system] peek_char((0x558d99e6bec0), _2022666)
   Exit: (247) [system] peek_char((0x558d99e6bec0), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Fail: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_2027386, v('(', ')', end_of_file), u)
   Fail: (248) [system] arg(_2028318, v('(', ')', end_of_file), u)
^  Fail: (247) [user] is_delimiter(u)
   Call: (247) [system] ')'==u
   Fail: (247) [system] ')'==u
   Call: (247) [system] get_char((0x558d99e6bec0), u)
   Exit: (247) [system] get_char((0x558d99e6bec0), u)
   Call: (247) [system] u=(\)
   Fail: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2035668)
   Call: (248) [system] peek_char((0x558d99e6bec0), _2036602)
   Exit: (248) [system] peek_char((0x558d99e6bec0), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Fail: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_2041322, v('(', ')', end_of_file), c)
   Fail: (249) [system] arg(_2042254, v('(', ')', end_of_file), c)
^  Fail: (248) [user] is_delimiter(c)
   Call: (248) [system] ')'==c
   Fail: (248) [system] ')'==c
   Call: (248) [system] get_char((0x558d99e6bec0), c)
   Exit: (248) [system] get_char((0x558d99e6bec0), c)
   Call: (248) [system] c=(\)
   Fail: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2049604)
   Call: (249) [system] peek_char((0x558d99e6bec0), _2050538)
   Exit: (249) [system] peek_char((0x558d99e6bec0), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Fail: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_2055258, v('(', ')', end_of_file), t)
   Fail: (250) [system] arg(_2056190, v('(', ')', end_of_file), t)
^  Fail: (249) [user] is_delimiter(t)
   Call: (249) [system] ')'==t
   Fail: (249) [system] ')'==t
   Call: (249) [system] get_char((0x558d99e6bec0), t)
   Exit: (249) [system] get_char((0x558d99e6bec0), t)
   Call: (249) [system] t=(\)
   Fail: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063540)
   Call: (250) [system] peek_char((0x558d99e6bec0), _2064474)
   Exit: (250) [system] peek_char((0x558d99e6bec0), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Fail: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_2069194, v('(', ')', end_of_file), i)
   Fail: (251) [system] arg(_2070126, v('(', ')', end_of_file), i)
^  Fail: (250) [user] is_delimiter(i)
   Call: (250) [system] ')'==i
   Fail: (250) [system] ')'==i
   Call: (250) [system] get_char((0x558d99e6bec0), i)
   Exit: (250) [system] get_char((0x558d99e6bec0), i)
   Call: (250) [system] i=(\)
   Fail: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077476)
   Call: (251) [system] peek_char((0x558d99e6bec0), _2078410)
   Exit: (251) [system] peek_char((0x558d99e6bec0), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Fail: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_2083130, v('(', ')', end_of_file), o)
   Fail: (252) [system] arg(_2084062, v('(', ')', end_of_file), o)
^  Fail: (251) [user] is_delimiter(o)
   Call: (251) [system] ')'==o
   Fail: (251) [system] ')'==o
   Call: (251) [system] get_char((0x558d99e6bec0), o)
   Exit: (251) [system] get_char((0x558d99e6bec0), o)
   Call: (251) [system] o=(\)
   Fail: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091412)
   Call: (252) [system] peek_char((0x558d99e6bec0), _2092346)
   Exit: (252) [system] peek_char((0x558d99e6bec0), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Fail: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_6754, v('(', ')', end_of_file), n)
   Fail: (253) [system] arg(_7668, v('(', ')', end_of_file), n)
^  Fail: (252) [user] is_delimiter(n)
   Call: (252) [system] ')'==n
   Fail: (252) [system] ')'==n
   Call: (252) [system] get_char((0x558d99e6bec0), n)
   Exit: (252) [system] get_char((0x558d99e6bec0), n)
   Call: (252) [system] n=(\)
   Fail: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x558d99e6bec0), _15018)
   Call: (253) [system] peek_char((0x558d99e6bec0), _15952)
   Exit: (253) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _15018=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (252) [system] _6678=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (251) [system] _6674=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (250) [system] _6670=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (249) [system] _6666=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (248) [system] _6662=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (247) [system] _6658=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (246) [system] _6654=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (245) [system] _6650=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _6646=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _6642=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _6638=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _6634=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _6630=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _6626=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _6622=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _6618=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _6614=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _6610=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _6606=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _6602=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _6598=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6594=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6590)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_86730, _86732), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6590), _86706, fail)), '$restore_trace'(_86730, _86732))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_86730, _86732))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6590), _86706, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_6590)
   Fail: (231) [system] atomic(_6590)
   Call: (231) [system] atom_chars(_6590, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _96106)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _97964)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _105702)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _108406)
   Exit: (231) [system] peek_char((0x558d99e6bec0), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _123484)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
   Call: (229) [system] a=')'
   Fail: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
   Fail: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _129054)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _130912)
   Exit: (231) [system] peek_char((0x558d99e6bec0), a)
   Call: (231) [system] a=(;)
   Fail: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Fail: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Fail: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
   Fail: (232) [system] char_type(a, cntrl)
^  Fail: (231) [user] is_like_space(a)
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _145066)
   Exit: (230) [system] get_char((0x558d99e6bec0), a)
   Call: (230) [system] a='('
   Fail: (230) [system] a='('
   Call: (230) [system] a='['
   Fail: (230) [system] a='['
   Call: (230) [system] a='{'
   Fail: (230) [system] a='{'
   Call: (230) [system] a='"'
   Fail: (230) [system] a='"'
   Call: (230) [system] a=!
   Fail: (230) [system] a=!
   Call: (230) [system] a='\''
   Fail: (230) [system] a='\''
   Call: (230) [system] a='`'
   Fail: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), a, _129054)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _162708)
   Call: (232) [system] peek_char((0x558d99e6bec0), _163642)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _162708=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq(a, [], _129054)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_172952, _172954), once(user:catch(read_from_chars([a], _129054), _172928, fail)), '$restore_trace'(_172952, _172954))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_172952, _172954))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _172928, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _180452)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _182310)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _190048)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _192752)
   Exit: (232) [system] peek_char((0x558d99e6bec0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _207830)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _213400)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _215258)
   Exit: (232) [system] peek_char((0x558d99e6bec0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _229412)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), a, _213400)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247054)
   Call: (233) [system] peek_char((0x558d99e6bec0), _247988)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_252708, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _247054=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (232) [user] classify_and_convert_charseq(a, [], _213400)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_259170, _259172), once(user:catch(read_from_chars([a], _213400), _259146, fail)), '$restore_trace'(_259170, _259172))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_259170, _259172))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _259146, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _266670)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _268528)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _282682)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x558d99e6bec0), _286472)
   Exit: (231) [system] get_char((0x558d99e6bec0), ')')
   Call: (231) [system] _266670=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (230) [system] _180452=[a]
   Exit: (230) [system] [a]=[a]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (229) [system] _96106=[a, a]
   Exit: (229) [system] [a, a]=[a, a]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (228) [system] _6584=['DisjunctionIntroduction', a, a]
   Exit: (228) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _300354)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _302212)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _309950)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _312654)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _327732)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _333302)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _335160)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _349314)
   Exit: (228) [system] get_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _333302)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _354884)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _369038)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=')'
   Fail: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _374608)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _376466)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _390620)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'O')
   Call: (230) [system] 'O'='('
   Fail: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Fail: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Fail: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Fail: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Fail: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Fail: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Fail: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _374608)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _408262)
   Call: (232) [system] peek_char((0x558d99e6bec0), _409196)
   Exit: (232) [system] peek_char((0x558d99e6bec0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_413916, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_414848, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x558d99e6bec0), r)
   Exit: (232) [system] get_char((0x558d99e6bec0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _422198)
   Call: (233) [system] peek_char((0x558d99e6bec0), _423132)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Fail: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_427852, v('(', ')', end_of_file), 'L')
   Fail: (234) [system] arg(_428784, v('(', ')', end_of_file), 'L')
^  Fail: (233) [user] is_delimiter('L')
   Call: (233) [system] ')'=='L'
   Fail: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (233) [system] get_char((0x558d99e6bec0), 'L')
   Call: (233) [system] 'L'=(\)
   Fail: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _436134)
   Call: (234) [system] peek_char((0x558d99e6bec0), _437068)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_441788, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_442720, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _450070)
   Call: (235) [system] peek_char((0x558d99e6bec0), _451004)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_455724, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_456656, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _464006)
   Call: (236) [system] peek_char((0x558d99e6bec0), _464940)
   Exit: (236) [system] peek_char((0x558d99e6bec0), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Fail: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_469660, v('(', ')', end_of_file), k)
   Fail: (237) [system] arg(_470592, v('(', ')', end_of_file), k)
^  Fail: (236) [user] is_delimiter(k)
   Call: (236) [system] ')'==k
   Fail: (236) [system] ')'==k
   Call: (236) [system] get_char((0x558d99e6bec0), k)
   Exit: (236) [system] get_char((0x558d99e6bec0), k)
   Call: (236) [system] k=(\)
   Fail: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _477942)
   Call: (237) [system] peek_char((0x558d99e6bec0), _478876)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _477942=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (236) [system] _464006=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (235) [system] _450070=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (234) [system] _436134=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (233) [system] _422198=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (232) [system] _408262=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _374608)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_502156, _502158), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _374608), _502132, fail)), '$restore_trace'(_502156, _502158))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_502156, _502158))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _374608), _502132, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_374608)
   Fail: (232) [system] atomic(_374608)
   Call: (232) [system] atom_chars(_374608, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _511532)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _513390)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _521128)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _523832)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _538910)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=')'
   Fail: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
   Fail: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _544480)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _546338)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (232) [system] 'B'=(;)
   Fail: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Fail: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Fail: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Fail: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
   Fail: (233) [system] char_type('B', cntrl)
^  Fail: (232) [user] is_like_space('B')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _560492)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'B')
   Call: (231) [system] 'B'='('
   Fail: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Fail: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Fail: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Fail: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Fail: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Fail: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Fail: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _544480)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _578134)
   Call: (233) [system] peek_char((0x558d99e6bec0), _579068)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _578134=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (232) [user] classify_and_convert_charseq('B', [], _544480)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_588378, _588380), once(user:catch(read_from_chars(['B'], _544480), _588354, fail)), '$restore_trace'(_588378, _588380))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_588378, _588380))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _544480), _588354, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_544480)
   Fail: (233) [system] atomic(_544480)
   Call: (233) [system] atom_chars(_544480, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _597754)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _599612)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x558d99e6bec0), _607350)
   Exit: (232) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _610054)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _625132)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (231) [system] 'A'=')'
   Fail: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
   Fail: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x558d99e6bec0), _630702)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _632560)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (233) [system] 'A'=(;)
   Fail: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Fail: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Fail: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Fail: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
   Fail: (234) [system] char_type('A', cntrl)
^  Fail: (233) [user] is_like_space('A')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] get_char((0x558d99e6bec0), _646714)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'A')
   Call: (232) [system] 'A'='('
   Fail: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Fail: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Fail: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Fail: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Fail: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Fail: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Fail: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
   Fail: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _630702)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _664356)
   Call: (234) [system] peek_char((0x558d99e6bec0), _665290)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_670010, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _664356=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _630702)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_676472, _676474), once(user:catch(read_from_chars(['A'], _630702), _676448, fail)), '$restore_trace'(_676472, _676474))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_676472, _676474))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _630702), _676448, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_630702)
   Fail: (234) [system] atomic(_630702)
   Call: (234) [system] atom_chars(_630702, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _685848)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _687706)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _701860)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x558d99e6bec0), _705650)
   Exit: (232) [system] get_char((0x558d99e6bec0), ')')
   Call: (232) [system] _685848=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (231) [system] _597754=['A']
   Exit: (231) [system] ['A']=['A']
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (230) [system] _511532=['B', 'A']
   Exit: (230) [system] ['B', 'A']=['B', 'A']
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), ['B', 'A'])
   Call: (229) [system] _333302=['OrLink', 'B', 'A']
   Exit: (229) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', 'A'])
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', 'A'])
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _719532)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _721390)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _735544)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x558d99e6bec0), _739334)
   Exit: (228) [system] get_char((0x558d99e6bec0), ')')
   Call: (228) [system] _719532=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (227) [system] _300354=[['OrLink', 'B', 'A']]
   Exit: (227) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', 'A']])
   Call: (226) [system] _6580=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (226) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
   Call: (225) [system] _6572=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (225) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _753216)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _755074)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (225) [system] '\n'=(;)
   Fail: (225) [system] '\n'=(;)
^  Call: (225) [user] is_like_space('\n')
   Call: (226) [system] char_type('\n', 'white')
   Fail: (226) [system] char_type('\n', 'white')
   Call: (226) [system] char_type('\n', end_of_line)
   Exit: (226) [system] char_type('\n', end_of_line)
^  Exit: (225) [user] is_like_space('\n')
   Call: (225) [system] get_char((0x558d99e6bec0), _764668)
   Exit: (225) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _767372)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (226) [system] '\t'=(;)
   Fail: (226) [system] '\t'=(;)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x558d99e6bec0), _775110)
   Exit: (226) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _777814)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '\t')
   Call: (227) [system] '\t'=(;)
   Fail: (227) [system] '\t'=(;)
^  Call: (227) [user] is_like_space('\t')
   Call: (228) [system] char_type('\t', 'white')
   Exit: (228) [system] char_type('\t', 'white')
^  Exit: (227) [user] is_like_space('\t')
   Call: (227) [system] get_char((0x558d99e6bec0), _785552)
   Exit: (227) [system] get_char((0x558d99e6bec0), '\t')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _788256)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _795994)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _798698)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _816548)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _822118)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _823976)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _838130)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _822118)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _843700)
   Exit: (227) [system] peek_char((0x558d99e6bec0), :)
   Call: (227) [system] (:)=(;)
   Fail: (227) [system] (:)=(;)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Fail: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Fail: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Fail: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
   Fail: (228) [system] char_type(:, cntrl)
^  Fail: (227) [user] is_like_space(:)
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _857854)
   Exit: (226) [system] peek_char((0x558d99e6bec0), :)
   Call: (226) [system] (:)=')'
   Fail: (226) [system] (:)=')'
   Call: (226) [system] (:)=end_of_file
   Fail: (226) [system] (:)=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _863424)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _865282)
   Exit: (228) [system] peek_char((0x558d99e6bec0), :)
   Call: (228) [system] (:)=(;)
   Fail: (228) [system] (:)=(;)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Fail: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Fail: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Fail: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
   Fail: (229) [system] char_type(:, cntrl)
^  Fail: (228) [user] is_like_space(:)
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _879436)
   Exit: (227) [system] get_char((0x558d99e6bec0), :)
   Call: (227) [system] (:)='('
   Fail: (227) [system] (:)='('
   Call: (227) [system] (:)='['
   Fail: (227) [system] (:)='['
   Call: (227) [system] (:)='{'
   Fail: (227) [system] (:)='{'
   Call: (227) [system] (:)='"'
   Fail: (227) [system] (:)='"'
   Call: (227) [system] (:)=!
   Fail: (227) [system] (:)=!
   Call: (227) [system] (:)='\''
   Fail: (227) [system] (:)='\''
   Call: (227) [system] (:)='`'
   Fail: (227) [system] (:)='`'
   Call: (227) [system] (:)=end_of_file
   Fail: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), :, _863424)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _897078)
   Call: (229) [system] peek_char((0x558d99e6bec0), _898012)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _897078=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq(:, [], _863424)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_907322, _907324), once(user:catch(read_from_chars([:], _863424), _907298, fail)), '$restore_trace'(_907322, _907324))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_907322, _907324))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _907298, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(:)
   Exit: (229) [system] atomic(:)
^  Exit: (228) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _914822)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _916680)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _924418)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _927122)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _942200)
   Exit: (227) [system] peek_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('=')'
   Fail: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
   Fail: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _947770)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _949628)
   Exit: (229) [system] peek_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('=(;)
   Fail: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Fail: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Fail: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Fail: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
   Fail: (230) [system] char_type('(', cntrl)
^  Fail: (229) [user] is_like_space('(')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _963782)
   Exit: (228) [system] get_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _947770)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _969352)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'=(;)
   Fail: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Fail: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Fail: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Fail: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
   Fail: (231) [system] char_type('D', cntrl)
^  Fail: (230) [user] is_like_space('D')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _983506)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (229) [system] 'D'=')'
   Fail: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
   Fail: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _989076)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _990934)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'=(;)
   Fail: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Fail: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Fail: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Fail: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
   Fail: (232) [system] char_type('D', cntrl)
^  Fail: (231) [user] is_like_space('D')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _1005088)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'='('
   Fail: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Fail: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Fail: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Fail: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Fail: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Fail: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Fail: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _989076)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1022730)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1023664)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1028384, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1029316, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1036666)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1037600)
   Exit: (233) [system] peek_char((0x558d99e6bec0), s)
^  Call: (233) [user] is_delimiter(s)
   Call: (234) [system] char_type(s, space)
   Fail: (234) [system] char_type(s, space)
   Call: (234) [system] arg(_1042320, v('(', ')', end_of_file), s)
   Fail: (234) [system] arg(_1043252, v('(', ')', end_of_file), s)
^  Fail: (233) [user] is_delimiter(s)
   Call: (233) [system] ')'==s
   Fail: (233) [system] ')'==s
   Call: (233) [system] get_char((0x558d99e6bec0), s)
   Exit: (233) [system] get_char((0x558d99e6bec0), s)
   Call: (233) [system] s=(\)
   Fail: (233) [system] s=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1050602)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1051536)
   Exit: (234) [system] peek_char((0x558d99e6bec0), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Fail: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_1056256, v('(', ')', end_of_file), j)
   Fail: (235) [system] arg(_1057188, v('(', ')', end_of_file), j)
^  Fail: (234) [user] is_delimiter(j)
   Call: (234) [system] ')'==j
   Fail: (234) [system] ')'==j
   Call: (234) [system] get_char((0x558d99e6bec0), j)
   Exit: (234) [system] get_char((0x558d99e6bec0), j)
   Call: (234) [system] j=(\)
   Fail: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1064538)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1065472)
   Exit: (235) [system] peek_char((0x558d99e6bec0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1070192, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_1071124, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x558d99e6bec0), u)
   Exit: (235) [system] get_char((0x558d99e6bec0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1078474)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1079408)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1084128, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1085060, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1092410)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1093344)
   Exit: (237) [system] peek_char((0x558d99e6bec0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1098064, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1098996, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x558d99e6bec0), c)
   Exit: (237) [system] get_char((0x558d99e6bec0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1106346)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1107280)
   Exit: (238) [system] peek_char((0x558d99e6bec0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1112000, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1112932, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x558d99e6bec0), t)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1120282)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1121216)
   Exit: (239) [system] peek_char((0x558d99e6bec0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1125936, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1126868, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x558d99e6bec0), i)
   Exit: (239) [system] get_char((0x558d99e6bec0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1134218)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1135152)
   Exit: (240) [system] peek_char((0x558d99e6bec0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1139872, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1140804, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x558d99e6bec0), o)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1148154)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1149088)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1153808, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1154740, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1162090)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1163024)
   Exit: (242) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Fail: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_1167744, v('(', ')', end_of_file), 'I')
   Fail: (243) [system] arg(_1168676, v('(', ')', end_of_file), 'I')
^  Fail: (242) [user] is_delimiter('I')
   Call: (242) [system] ')'=='I'
   Fail: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (242) [system] get_char((0x558d99e6bec0), 'I')
   Call: (242) [system] 'I'=(\)
   Fail: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1176026)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1176960)
   Exit: (243) [system] peek_char((0x558d99e6bec0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1181680, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_1182612, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x558d99e6bec0), n)
   Exit: (243) [system] get_char((0x558d99e6bec0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1189962)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1190896)
   Exit: (244) [system] peek_char((0x558d99e6bec0), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Fail: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1195616, v('(', ')', end_of_file), t)
   Fail: (245) [system] arg(_1196548, v('(', ')', end_of_file), t)
^  Fail: (244) [user] is_delimiter(t)
   Call: (244) [system] ')'==t
   Fail: (244) [system] ')'==t
   Call: (244) [system] get_char((0x558d99e6bec0), t)
   Exit: (244) [system] get_char((0x558d99e6bec0), t)
   Call: (244) [system] t=(\)
   Fail: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1203898)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1204832)
   Exit: (245) [system] peek_char((0x558d99e6bec0), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Fail: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1209552, v('(', ')', end_of_file), r)
   Fail: (246) [system] arg(_1210484, v('(', ')', end_of_file), r)
^  Fail: (245) [user] is_delimiter(r)
   Call: (245) [system] ')'==r
   Fail: (245) [system] ')'==r
   Call: (245) [system] get_char((0x558d99e6bec0), r)
   Exit: (245) [system] get_char((0x558d99e6bec0), r)
   Call: (245) [system] r=(\)
   Fail: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1217834)
   Call: (246) [system] peek_char((0x558d99e6bec0), _1218768)
   Exit: (246) [system] peek_char((0x558d99e6bec0), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Fail: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1223488, v('(', ')', end_of_file), o)
   Fail: (247) [system] arg(_1224420, v('(', ')', end_of_file), o)
^  Fail: (246) [user] is_delimiter(o)
   Call: (246) [system] ')'==o
   Fail: (246) [system] ')'==o
   Call: (246) [system] get_char((0x558d99e6bec0), o)
   Exit: (246) [system] get_char((0x558d99e6bec0), o)
   Call: (246) [system] o=(\)
   Fail: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1231770)
   Call: (247) [system] peek_char((0x558d99e6bec0), _1232704)
   Exit: (247) [system] peek_char((0x558d99e6bec0), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Fail: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1237424, v('(', ')', end_of_file), d)
   Fail: (248) [system] arg(_1238356, v('(', ')', end_of_file), d)
^  Fail: (247) [user] is_delimiter(d)
   Call: (247) [system] ')'==d
   Fail: (247) [system] ')'==d
   Call: (247) [system] get_char((0x558d99e6bec0), d)
   Exit: (247) [system] get_char((0x558d99e6bec0), d)
   Call: (247) [system] d=(\)
   Fail: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1245706)
   Call: (248) [system] peek_char((0x558d99e6bec0), _1246640)
   Exit: (248) [system] peek_char((0x558d99e6bec0), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Fail: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1251360, v('(', ')', end_of_file), u)
   Fail: (249) [system] arg(_1252292, v('(', ')', end_of_file), u)
^  Fail: (248) [user] is_delimiter(u)
   Call: (248) [system] ')'==u
   Fail: (248) [system] ')'==u
   Call: (248) [system] get_char((0x558d99e6bec0), u)
   Exit: (248) [system] get_char((0x558d99e6bec0), u)
   Call: (248) [system] u=(\)
   Fail: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1259642)
   Call: (249) [system] peek_char((0x558d99e6bec0), _1260576)
   Exit: (249) [system] peek_char((0x558d99e6bec0), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Fail: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_1265296, v('(', ')', end_of_file), c)
   Fail: (250) [system] arg(_1266228, v('(', ')', end_of_file), c)
^  Fail: (249) [user] is_delimiter(c)
   Call: (249) [system] ')'==c
   Fail: (249) [system] ')'==c
   Call: (249) [system] get_char((0x558d99e6bec0), c)
   Exit: (249) [system] get_char((0x558d99e6bec0), c)
   Call: (249) [system] c=(\)
   Fail: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1273578)
   Call: (250) [system] peek_char((0x558d99e6bec0), _1274512)
   Exit: (250) [system] peek_char((0x558d99e6bec0), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Fail: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1279232, v('(', ')', end_of_file), t)
   Fail: (251) [system] arg(_1280164, v('(', ')', end_of_file), t)
^  Fail: (250) [user] is_delimiter(t)
   Call: (250) [system] ')'==t
   Fail: (250) [system] ')'==t
   Call: (250) [system] get_char((0x558d99e6bec0), t)
   Exit: (250) [system] get_char((0x558d99e6bec0), t)
   Call: (250) [system] t=(\)
   Fail: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1287514)
   Call: (251) [system] peek_char((0x558d99e6bec0), _1288448)
   Exit: (251) [system] peek_char((0x558d99e6bec0), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Fail: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1293168, v('(', ')', end_of_file), i)
   Fail: (252) [system] arg(_1294100, v('(', ')', end_of_file), i)
^  Fail: (251) [user] is_delimiter(i)
   Call: (251) [system] ')'==i
   Fail: (251) [system] ')'==i
   Call: (251) [system] get_char((0x558d99e6bec0), i)
   Exit: (251) [system] get_char((0x558d99e6bec0), i)
   Call: (251) [system] i=(\)
   Fail: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1301450)
   Call: (252) [system] peek_char((0x558d99e6bec0), _1302384)
   Exit: (252) [system] peek_char((0x558d99e6bec0), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Fail: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1307104, v('(', ')', end_of_file), o)
   Fail: (253) [system] arg(_1308036, v('(', ')', end_of_file), o)
^  Fail: (252) [user] is_delimiter(o)
   Call: (252) [system] ')'==o
   Fail: (252) [system] ')'==o
   Call: (252) [system] get_char((0x558d99e6bec0), o)
   Exit: (252) [system] get_char((0x558d99e6bec0), o)
   Call: (252) [system] o=(\)
   Fail: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1315386)
   Call: (253) [system] peek_char((0x558d99e6bec0), _1316320)
   Exit: (253) [system] peek_char((0x558d99e6bec0), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Fail: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1321040, v('(', ')', end_of_file), n)
   Fail: (254) [system] arg(_1321972, v('(', ')', end_of_file), n)
^  Fail: (253) [user] is_delimiter(n)
   Call: (253) [system] ')'==n
   Fail: (253) [system] ')'==n
   Call: (253) [system] get_char((0x558d99e6bec0), n)
   Exit: (253) [system] get_char((0x558d99e6bec0), n)
   Call: (253) [system] n=(\)
   Fail: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1329322)
   Call: (254) [system] peek_char((0x558d99e6bec0), _1330256)
   Exit: (254) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1329322=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (253) [system] _1315386=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (252) [system] _1301450=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (251) [system] _1287514=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (250) [system] _1273578=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (249) [system] _1259642=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (248) [system] _1245706=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (247) [system] _1231770=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (246) [system] _1217834=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1203898=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1189962=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1176026=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1162090=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1148154=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1134218=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1120282=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1106346=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1092410=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1078474=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1064538=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1050602=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1036666=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1022730=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _989076)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1401034, _1401036), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _989076), _1401010, fail)), '$restore_trace'(_1401034, _1401036))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1401034, _1401036))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _989076), _1401010, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_989076)
   Fail: (232) [system] atomic(_989076)
   Call: (232) [system] atom_chars(_989076, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _1410410)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1412268)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _1420006)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1422710)
   Exit: (232) [system] peek_char((0x558d99e6bec0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1437788)
   Exit: (230) [system] peek_char((0x558d99e6bec0), a)
   Call: (230) [system] a=')'
   Fail: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
   Fail: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _1443358)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1445216)
   Exit: (232) [system] peek_char((0x558d99e6bec0), a)
   Call: (232) [system] a=(;)
   Fail: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Fail: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Fail: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Fail: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
   Fail: (233) [system] char_type(a, cntrl)
^  Fail: (232) [user] is_like_space(a)
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _1459370)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] a='('
   Fail: (231) [system] a='('
   Call: (231) [system] a='['
   Fail: (231) [system] a='['
   Call: (231) [system] a='{'
   Fail: (231) [system] a='{'
   Call: (231) [system] a='"'
   Fail: (231) [system] a='"'
   Call: (231) [system] a=!
   Fail: (231) [system] a=!
   Call: (231) [system] a='\''
   Fail: (231) [system] a='\''
   Call: (231) [system] a='`'
   Fail: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), a, _1443358)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1477012)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1477946)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1477012=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (232) [user] classify_and_convert_charseq(a, [], _1443358)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1487256, _1487258), once(user:catch(read_from_chars([a], _1443358), _1487232, fail)), '$restore_trace'(_1487256, _1487258))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1487256, _1487258))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1487232, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _1494756)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1496614)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x558d99e6bec0), _1504352)
   Exit: (232) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1507056)
   Exit: (233) [system] peek_char((0x558d99e6bec0), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1522134)
   Exit: (231) [system] peek_char((0x558d99e6bec0), a)
   Call: (231) [system] a=')'
   Fail: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
   Fail: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x558d99e6bec0), _1527704)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1529562)
   Exit: (233) [system] peek_char((0x558d99e6bec0), a)
   Call: (233) [system] a=(;)
   Fail: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Fail: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Fail: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
   Fail: (234) [system] char_type(a, cntrl)
^  Fail: (233) [user] is_like_space(a)
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] get_char((0x558d99e6bec0), _1543716)
   Exit: (232) [system] get_char((0x558d99e6bec0), a)
   Call: (232) [system] a='('
   Fail: (232) [system] a='('
   Call: (232) [system] a='['
   Fail: (232) [system] a='['
   Call: (232) [system] a='{'
   Fail: (232) [system] a='{'
   Call: (232) [system] a='"'
   Fail: (232) [system] a='"'
   Call: (232) [system] a=!
   Fail: (232) [system] a=!
   Call: (232) [system] a='\''
   Fail: (232) [system] a='\''
   Call: (232) [system] a='`'
   Fail: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
   Fail: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x558d99e6bec0), a, _1527704)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1561358)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1562292)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1567012, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1561358=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (233) [user] classify_and_convert_charseq(a, [], _1527704)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1573474, _1573476), once(user:catch(read_from_chars([a], _1527704), _1573450, fail)), '$restore_trace'(_1573474, _1573476))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1573474, _1573476))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1573450, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (232) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _1580974)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1582832)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
   Call: (233) [system] ')'=(;)
   Fail: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Fail: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Fail: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
   Fail: (234) [system] char_type(')', cntrl)
^  Fail: (233) [user] is_like_space(')')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1596986)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x558d99e6bec0), _1600776)
   Exit: (232) [system] get_char((0x558d99e6bec0), ')')
   Call: (232) [system] _1580974=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1494756=[a]
   Exit: (231) [system] [a]=[a]
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (230) [system] _1410410=[a, a]
   Exit: (230) [system] [a, a]=[a, a]
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (229) [system] _947770=['DisjunctionIntroduction', a, a]
   Exit: (229) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1614658)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1616516)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _1624254)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1626958)
   Exit: (230) [system] peek_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1642036)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=')'
   Fail: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
   Fail: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1647606)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1649464)
   Exit: (230) [system] peek_char((0x558d99e6bec0), '(')
   Call: (230) [system] '('=(;)
   Fail: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Fail: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Fail: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Fail: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
   Fail: (231) [system] char_type('(', cntrl)
^  Fail: (230) [user] is_like_space('(')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1663618)
   Exit: (229) [system] get_char((0x558d99e6bec0), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _1647606)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1669188)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (231) [system] 'O'=(;)
   Fail: (231) [system] 'O'=(;)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Fail: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Fail: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Fail: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
   Fail: (232) [system] char_type('O', cntrl)
^  Fail: (231) [user] is_like_space('O')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1683342)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (230) [system] 'O'=')'
   Fail: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
   Fail: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _1688912)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1690770)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (232) [system] 'O'=(;)
   Fail: (232) [system] 'O'=(;)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Fail: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Fail: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Fail: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
   Fail: (233) [system] char_type('O', cntrl)
^  Fail: (232) [user] is_like_space('O')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _1704924)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'O')
   Call: (231) [system] 'O'='('
   Fail: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Fail: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Fail: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Fail: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Fail: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Fail: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Fail: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
   Fail: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1688912)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1722566)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1723500)
   Exit: (233) [system] peek_char((0x558d99e6bec0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1728220, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1729152, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x558d99e6bec0), r)
   Exit: (233) [system] get_char((0x558d99e6bec0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1736502)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1737436)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Fail: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_1742156, v('(', ')', end_of_file), 'L')
   Fail: (235) [system] arg(_1743088, v('(', ')', end_of_file), 'L')
^  Fail: (234) [user] is_delimiter('L')
   Call: (234) [system] ')'=='L'
   Fail: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (234) [system] get_char((0x558d99e6bec0), 'L')
   Call: (234) [system] 'L'=(\)
   Fail: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1750438)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1751372)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1756092, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1757024, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1764374)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1765308)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1770028, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_1770960, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1778310)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1779244)
   Exit: (237) [system] peek_char((0x558d99e6bec0), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Fail: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_1783964, v('(', ')', end_of_file), k)
   Fail: (238) [system] arg(_1784896, v('(', ')', end_of_file), k)
^  Fail: (237) [user] is_delimiter(k)
   Call: (237) [system] ')'==k
   Fail: (237) [system] ')'==k
   Call: (237) [system] get_char((0x558d99e6bec0), k)
   Exit: (237) [system] get_char((0x558d99e6bec0), k)
   Call: (237) [system] k=(\)
   Fail: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1792246)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1793180)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1792246=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (237) [system] _1778310=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (236) [system] _1764374=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (235) [system] _1750438=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (234) [system] _1736502=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (233) [system] _1722566=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1688912)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1816460, _1816462), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1688912), _1816436, fail)), '$restore_trace'(_1816460, _1816462))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1816460, _1816462))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1688912), _1816436, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1688912)
   Fail: (233) [system] atomic(_1688912)
   Call: (233) [system] atom_chars(_1688912, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _1825836)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1827694)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (232) [system] ' '=(;)
   Fail: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x558d99e6bec0), _1835432)
   Exit: (232) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1838136)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1853214)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (231) [system] 'B'=')'
   Fail: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
   Fail: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x558d99e6bec0), _1858784)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1860642)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (233) [system] 'B'=(;)
   Fail: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Fail: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Fail: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Fail: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
   Fail: (234) [system] char_type('B', cntrl)
^  Fail: (233) [user] is_like_space('B')
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] get_char((0x558d99e6bec0), _1874796)
   Exit: (232) [system] get_char((0x558d99e6bec0), 'B')
   Call: (232) [system] 'B'='('
   Fail: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Fail: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Fail: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Fail: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Fail: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Fail: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Fail: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1858784)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1892438)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1893372)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1892438=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (233) [user] classify_and_convert_charseq('B', [], _1858784)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1902682, _1902684), once(user:catch(read_from_chars(['B'], _1858784), _1902658, fail)), '$restore_trace'(_1902682, _1902684))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1902682, _1902684))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1858784), _1902658, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1858784)
   Fail: (234) [system] atomic(_1858784)
   Call: (234) [system] atom_chars(_1858784, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (231) [user] read_list(')', (0x558d99e6bec0), _1912058)
^  Call: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _1913916)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (233) [system] ' '=(;)
   Fail: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x558d99e6bec0), _1921654)
   Exit: (233) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _1924358)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (232) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1939436)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (232) [system] 'B'=')'
   Fail: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
   Fail: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x558d99e6bec0), _1945006)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _1946864)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (234) [system] 'B'=(;)
   Fail: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Fail: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Fail: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Fail: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
   Fail: (235) [system] char_type('B', cntrl)
^  Fail: (234) [user] is_like_space('B')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] get_char((0x558d99e6bec0), _1961018)
   Exit: (233) [system] get_char((0x558d99e6bec0), 'B')
   Call: (233) [system] 'B'='('
   Fail: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Fail: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Fail: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Fail: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Fail: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Fail: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Fail: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
   Fail: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1945006)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1978660)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1979594)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Fail: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_1984314, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _1978660=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _1945006)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1990776, _1990778), once(user:catch(read_from_chars(['B'], _1945006), _1990752, fail)), '$restore_trace'(_1990776, _1990778))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1990776, _1990778))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1945006), _1990752, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1945006)
   Fail: (235) [system] atomic(_1945006)
   Call: (235) [system] atom_chars(_1945006, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (232) [user] read_list(')', (0x558d99e6bec0), _2000152)
^  Call: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (234) [system] peek_char((0x558d99e6bec0), _2002010)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ')')
   Call: (234) [system] ')'=(;)
   Fail: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Fail: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Fail: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Fail: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
   Fail: (235) [system] char_type(')', cntrl)
^  Fail: (234) [user] is_like_space(')')
^  Exit: (233) [user] skip_spaces((0x558d99e6bec0))
   Call: (233) [system] peek_char((0x558d99e6bec0), _2016164)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x558d99e6bec0), _2019954)
   Exit: (233) [system] get_char((0x558d99e6bec0), ')')
   Call: (233) [system] _2000152=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (232) [system] _1912058=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (231) [system] _1825836=['B', 'B']
   Exit: (231) [system] ['B', 'B']=['B', 'B']
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), ['B', 'B'])
   Call: (230) [system] _1647606=['OrLink', 'B', 'B']
   Exit: (230) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', 'B'])
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _2033836)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _2035694)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _2049848)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x558d99e6bec0), _2053638)
   Exit: (229) [system] get_char((0x558d99e6bec0), ')')
   Call: (229) [system] _2033836=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1614658=[['OrLink', 'B', 'B']]
   Exit: (228) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', 'B']])
   Call: (227) [system] _914822=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (227) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
   Call: (226) [system] _822118=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (226) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _2067520)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _2069378)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2083532)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _2087322)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _2067520=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _753216=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (224) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (223) [system] _6568=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (223) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (222) [system] _6472=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (222) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (221) [system] _6376=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (221) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (220) [system] _6316=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (220) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (219) [system] _6256=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (219) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (218) [system] _6160=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (218) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (217) [system] _6064=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (217) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (216) [system] _5968=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (216) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (215) [system] _5872=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (215) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (214) [system] _5740=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (214) [system] [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (213) [system] _5608=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (213) [system] [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (212) [system] _5512=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (212) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (211) [system] _5416=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (211) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (210) [system] _5284=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (210) [system] [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (209) [system] _5152=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (209) [system] [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (208) [system] _5092=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (208) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (207) [system] _5032=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (207) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (206) [system] _4936=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _4840=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _4780=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (203) [system] _4720=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (203) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (202) [system] _4624=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (202) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (201) [system] _4528=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (201) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (200) [system] _4432=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (200) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (199) [system] _4336=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (199) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (198) [system] _4204=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (198) [system] [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (197) [system] _4072=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (197) [system] [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (196) [system] _3976=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (196) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (195) [system] _3880=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (195) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (194) [system] _3748=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (194) [system] [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (193) [system] _3616=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (193) [system] [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (192) [system] _3592=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (192) [system] [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (191) [system] _3568=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (191) [system] [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (190) [system] _3508=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (190) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (189) [system] _3446=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _103298)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _105156)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _119310)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x558d99e6bec0), _123100)
   Exit: (188) [system] get_char((0x558d99e6bec0), ')')
   Call: (188) [system] _103298=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (187) [system] _3442=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (182) [user] read_sexpr((0x558d99e6bec0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x558d99e6bec0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Exit: (180) [user] read_sexpr((0x558d99e6bec0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Call: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (178) [system] once(user:(read_position((0x558d99e6bec0), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833)), read_sexpr((0x558d99e6bec0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])), assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_145338, _145340, _145342, _145344, _145346))
^  Exit: (178) [user] retract(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Call: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _148902))
^  Call: (180) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _148902)
^  Call: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _148902)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _151718))
^  Call: (183) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _151718))
^  Call: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _151718)
^  Call: (185) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _154518))
^  Call: (186) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _154518)
^  Call: (187) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _154518)
   Call: (188) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==true
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==false
   Call: (188) [system] (=)=='['
   Call: (188) [system] (=)=='{'
   Call: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _164740)
   Call: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _164740)
   Call: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _164740)
   Exit: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (188) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=='}'
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==[_171256, _171262]
   Call: (188) [system] fail
   Call: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _154518)
   Call: (189) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _154518, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(=, _176836)
   Call: (191) [system] var(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Call: (191) [user] symbol_concat($, _180544, =)
   Call: (192) [system] atom_concat($, _180544, =)
   Fail: (192) [system] atom_concat($, _180544, =)
^  Fail: (191) [user] symbol_concat($, _180544, =)
   Call: (191) [system] (=)==true
   Call: (191) [system] (=)==false
   Call: (191) [system] (=)==[_186132, _186138]
   Call: (191) [system] is_list(=)
   Call: (191) [system] string(=)
   Call: (191) [system] compound(=)
^  Call: (191) [user] symbol(=)
   Call: (192) [system] atom(=)
   Exit: (192) [system] atom(=)
^  Exit: (191) [user] symbol(=)
^  Exit: (190) [user] mfix_vars1(=, =)
   Call: (190) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _176838, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _195400)
   Call: (192) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (192) [system] synthesize=='['
   Call: (192) [system] synthesize=='{'
   Call: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _203744)
   Call: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _203744)
   Call: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, _203744)
   Call: (195) [lists] lists:last_([['S', _k]], _rb, _203744)
   Call: (196) [lists] lists:last_([], ['S', _k], _203744)
   Exit: (196) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (195) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (192) [system] ['S', _k]=='}'
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_213988, _213994]
   Call: (192) [system] fail
   Call: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (192) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _195400)
   Call: (193) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _195400, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(synthesize, _219568)
   Call: (195) [system] var(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Call: (195) [user] symbol_concat($, _223276, synthesize)
   Call: (196) [system] atom_concat($, _223276, synthesize)
   Fail: (196) [system] atom_concat($, _223276, synthesize)
^  Fail: (195) [user] symbol_concat($, _223276, synthesize)
   Call: (195) [system] synthesize==true
   Call: (195) [system] synthesize==false
   Call: (195) [system] synthesize==[_228864, _228870]
   Call: (195) [system] is_list(synthesize)
   Call: (195) [system] string(synthesize)
   Call: (195) [system] compound(synthesize)
^  Call: (195) [user] symbol(synthesize)
   Call: (196) [system] atom(synthesize)
   Exit: (196) [system] atom(synthesize)
^  Exit: (195) [user] symbol(synthesize)
^  Exit: (194) [user] mfix_vars1(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _219570, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(_query, _238132)
   Call: (196) [system] var(_query)
   Call: (196) [system] atom(_query)
   Call: (196) [system] _query==true
   Call: (196) [system] _query==false
   Call: (196) [system] _query==[_242774, _242780]
   Call: (196) [system] is_list(_query)
   Call: (196) [system] string(_query)
   Call: (196) [system] compound(_query)
   Exit: (196) [system] compound(_query)
   Call: (196) [system] compound_name_arguments(_query, _247408, _247410)
   Exit: (196) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (196) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _253002))
^  Call: (183) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _253002))
^  Call: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _253002)
^  Call: (185) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _255802))
^  Call: (186) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _255802)
^  Call: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _255802)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _148902))
^  Call: (183) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _148902))
^  Call: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _148902)
^  Call: (185) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _269760))
^  Call: (186) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _269760)
^  Call: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _269760)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (179) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 116)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258756.3628235), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258756.3628235), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258769.0443792)
   Call: (173) [system] arg(1, t(1726258756.3628235), _3148)
   Exit: (173) [system] arg(1, t(1726258756.3628235), 1726258756.3628235)
   Call: (173) [system] _3158 is 1726258769.0443792-1726258756.3628235
   Exit: (173) [system] 12.68155574798584 is 1726258769.0443792-1726258756.3628235
   Call: (173) [system] 12.68155574798584>4
   Exit: (173) [system] 12.68155574798584>4
   Call: (173) [system] nb_setarg(1, t(1726258756.3628235), 1726258769.0443792)
   Exit: (173) [system] nb_setarg(1, t(1726258769.0443792), 1726258769.0443792)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
; 
^  Call: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (177) [system] setup_call_cleanup('$notrace'(_316692, _316694), once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), '$restore_trace'(_316692, _316694))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_316692, _316694))
(= (synthesize $query $kb $rb (S $k)) (let* (((: $ructor (-> $premise1 $premise2 $premise3 $premise4 $conclusion)) ($rb)) ((: ($ructor $proof1 $proof2 $proof3 $proof4) $conclusion) $query) ((: $proof1 $premise1) (synthesize (: $proof1 $premise1) $kb $rb $k)) ((: $proof2 $premise2) (synthesize (: $proof2 $premise2) $kb $rb $k)) ((: $proof3 $premise3) (synthesize (: $proof3 $premise3) $kb $rb $k)) ((: $proof4 $premise4) (synthesize (: $proof4 $premise4) $kb $rb $k))) $query))
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
 ; line: 116 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1726258769.0443792), arg(1, t(1726258769.0443792), 1726258756.3628235), 12.68155574798584 is 1726258769.0443792-1726258756.3628235, 12.68155574798584>4), (nb_setarg(1, t(1726258769.0443792), 1726258769.0443792), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 25)
   Call: (175) [system] atom(25+1)
   Call: (175) [system] set_flag(translated_forms, 26)
   Exit: (175) [system] set_flag(translated_forms, 26)
   Exit: (174) [$syspreds] update_flag(translated_forms, 25, 25+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 25, 25+1))
   Exit: (171) [$syspreds] flag(translated_forms, 25, 25+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 116)
^  Call: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, _340936, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _340938)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _340938)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _345588)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_345588
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _345590)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _353006)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _360418)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _360418, user:s2t)
^  Call: (178) [user] s2t(synthesize, _362298)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_362298
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _362300, user:s2t)
^  Call: (179) [user] s2t(_query, _367872)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _367872)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _367874, user:s2t)
^  Call: (180) [user] s2t(_kb, _377142)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _377142)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _377144, user:s2t)
^  Call: (181) [user] s2t(_rb, _386412)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _386412)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _386414, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _395682)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _403094)
   Call: (184) [apply] apply:maplist_(['S', _k], _403094, user:s2t)
^  Call: (185) [user] s2t('S', _404974)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_404974
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _404976, user:s2t)
^  Call: (186) [user] s2t(_k, _410548)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _410548)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _410550, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_395682, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _395684, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_353006, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _353008)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _439392)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _446804)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _446804, user:s2t)
^  Call: (179) [user] s2t('let*', _448684)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_448684
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _448686, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _454258)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _461670)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _461670, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _463550)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _470962)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _470962, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _472842)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _480254)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _480254, user:s2t)
^  Call: (189) [user] s2t(:, _482134)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_482134
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _482136, user:s2t)
^  Call: (190) [user] s2t(_ructor, _487708)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _487708)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _487710, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], _496978)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], _501614)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (193) [user] s2t(_premise1, _504394)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _504394)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], _504396)
   Call: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
^  Call: (194) [user] s2t(_premise2, _515508)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _515508)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _premise4, _conclusion], _515510)
   Call: (195) [system] compound([_premise3, _premise4, _conclusion])
   Exit: (195) [system] compound([_premise3, _premise4, _conclusion])
^  Call: (195) [user] s2t(_premise3, _526622)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _526622)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_premise4, _conclusion], _526624)
   Call: (196) [system] compound([_premise4, _conclusion])
   Exit: (196) [system] compound([_premise4, _conclusion])
^  Call: (196) [user] s2t(_premise4, _537736)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _537736)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
^  Call: (196) [user] s2tl([_conclusion], _537738)
   Call: (197) [system] compound([_conclusion])
   Exit: (197) [system] compound([_conclusion])
^  Call: (197) [user] s2t(_conclusion, _548850)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
   Call: (198) [system] is_list(_conclusion)
^  Call: (198) [user] s2tl(_conclusion, _548850)
   Call: (199) [system] compound(_conclusion)
   Exit: (199) [system] compound(_conclusion)
^  Exit: (198) [user] s2tl(_conclusion, _conclusion)
^  Exit: (197) [user] s2t(_conclusion, _conclusion)
^  Call: (197) [user] s2tl([], _548852)
   Call: (198) [system] compound([])
   Call: (198) [system] []=_548852
   Exit: (198) [system] []=[]
^  Exit: (197) [user] s2tl([], [])
^  Exit: (196) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (195) [user] s2tl([_premise4, _conclusion], [_premise4, _conclusion])
^  Exit: (194) [user] s2tl([_premise3, _premise4, _conclusion], [_premise3, _premise4, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], [_premise2, _premise3, _premise4, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] _496978=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _premise4, _conclusion])=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], ->([_premise1, _premise2, _premise3, _premise4, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _496980, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Call: (187) [system] compound_name_arguments(_472842, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _472844, user:s2t)
^  Call: (187) [user] s2t([_rb], _578594)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _586006)
   Call: (189) [apply] apply:maplist_([_rb], _586006, user:s2t)
^  Call: (190) [user] s2t(_rb, _587886)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _587886)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _587888, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_578594, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _578596, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_463550, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _463552, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _611150)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _618562)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _618562, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _620442)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _627854)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _627854, user:s2t)
^  Call: (190) [user] s2t(:, _629734)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_629734
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _629736, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], _635308)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], _642720)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], _642720, user:s2t)
^  Call: (194) [user] s2t(_ructor, _644600)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _644600)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], _644602, user:s2t)
^  Call: (195) [user] s2t(_proof1, _653870)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _653870)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], _653872, user:s2t)
^  Call: (196) [user] s2t(_proof2, _663140)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _663140)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3, _proof4], _663142, user:s2t)
^  Call: (197) [user] s2t(_proof3, _672410)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _672410)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([_proof4], _672412, user:s2t)
^  Call: (198) [user] s2t(_proof4, _681680)
   Call: (199) [system] compound(_proof4)
   Exit: (199) [system] compound(_proof4)
   Call: (199) [system] is_list(_proof4)
^  Call: (199) [user] s2tl(_proof4, _681680)
   Call: (200) [system] compound(_proof4)
   Exit: (200) [system] compound(_proof4)
^  Exit: (199) [user] s2tl(_proof4, _proof4)
^  Exit: (198) [user] s2t(_proof4, _proof4)
   Call: (198) [apply] apply:maplist_([], _681682, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof4], [_proof4], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3, _proof4], [_proof3, _proof4], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], [_proof2, _proof3, _proof4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], [_proof1, _proof2, _proof3, _proof4], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] compound_name_arguments(_635308, t, [_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3, _proof4), t, [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], t(_ructor, _proof1, _proof2, _proof3, _proof4))
   Call: (191) [apply] apply:maplist_([_conclusion], _635310, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _701216)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _701216)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _701218, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Call: (188) [system] compound_name_arguments(_620442, t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _620444, user:s2t)
^  Call: (188) [user] s2t(_query, _718884)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _718884)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _718886, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_611150, t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _611152, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _735618)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _743030)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _743030, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _744910)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _752322)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _752322, user:s2t)
^  Call: (191) [user] s2t(:, _754202)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_754202
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _754204, user:s2t)
^  Call: (192) [user] s2t(_proof1, _759776)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _759776)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _759778, user:s2t)
^  Call: (193) [user] s2t(_premise1, _769046)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _769046)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _769048, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_744910, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _744912, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _786714)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _794126)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _794126, user:s2t)
^  Call: (192) [user] s2t(synthesize, _796006)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_796006
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _796008, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _801580)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _808992)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _808992, user:s2t)
^  Call: (196) [user] s2t(:, _810872)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_810872
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _810874, user:s2t)
^  Call: (197) [user] s2t(_proof1, _816446)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _816446)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _816448, user:s2t)
^  Call: (198) [user] s2t(_premise1, _825716)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _825716)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _825718, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_801580, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _801582, user:s2t)
^  Call: (194) [user] s2t(_kb, _843384)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _843384)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _843386, user:s2t)
^  Call: (195) [user] s2t(_rb, _852654)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _852654)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _852656, user:s2t)
^  Call: (196) [user] s2t(_k, _861924)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _861924)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _861926, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_786714, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _786716, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_735618, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _735620, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _888924)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _896336)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _896336, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _898216)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _905628)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _905628, user:s2t)
^  Call: (192) [user] s2t(:, _907508)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_907508
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _907510, user:s2t)
^  Call: (193) [user] s2t(_proof2, _913082)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _913082)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _913084, user:s2t)
^  Call: (194) [user] s2t(_premise2, _922352)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _922352)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _922354, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_898216, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _898218, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _940020)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _947432)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _947432, user:s2t)
^  Call: (193) [user] s2t(synthesize, _949312)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_949312
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _949314, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _954886)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _962298)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _962298, user:s2t)
^  Call: (197) [user] s2t(:, _964178)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_964178
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _964180, user:s2t)
^  Call: (198) [user] s2t(_proof2, _969752)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _969752)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _969754, user:s2t)
^  Call: (199) [user] s2t(_premise2, _979022)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _979022)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _979024, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_954886, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _954888, user:s2t)
^  Call: (195) [user] s2t(_kb, _996690)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _996690)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _996692, user:s2t)
^  Call: (196) [user] s2t(_rb, _1005960)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1005960)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1005962, user:s2t)
^  Call: (197) [user] s2t(_k, _1015230)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1015230)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1015232, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_940020, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _940022, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_888924, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _888926, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1042230)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1049642)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1049642, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1051522)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1058934)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1058934, user:s2t)
^  Call: (193) [user] s2t(:, _1060814)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1060814
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1060816, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1066388)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1066388)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1066390, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1075658)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1075658)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1075660, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1051522, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1051524, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1093326)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1100738)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1100738, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1102618)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1102618
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1102620, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1108192)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1115604)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1115604, user:s2t)
^  Call: (198) [user] s2t(:, _1117484)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1117484
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1117486, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1123058)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1123058)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1123060, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1132328)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1132328)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1132330, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1108192, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1108194, user:s2t)
^  Call: (196) [user] s2t(_kb, _1149996)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1149996)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1149998, user:s2t)
^  Call: (197) [user] s2t(_rb, _1159266)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1159266)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1159268, user:s2t)
^  Call: (198) [user] s2t(_k, _1168536)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1168536)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1168538, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1093326, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1093328, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1042230, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1042232, user:s2t)
^  Call: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1195536)
   Call: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (189) [system] [:, _proof4, _premise4]==(->)
   Call: (189) [system] [:, _proof4, _premise4]=='Cons'
   Call: (189) [system] [:, _proof4, _premise4]==(=)
   Call: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (189) [user] apply:maplist(s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1202948)
   Call: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1202948, user:s2t)
^  Call: (191) [user] s2t([:, _proof4, _premise4], _1204828)
   Call: (192) [system] compound([:, _proof4, _premise4])
   Exit: (192) [system] compound([:, _proof4, _premise4])
   Call: (192) [system] (:)==(->)
   Call: (192) [system] (:)=='Cons'
   Call: (192) [system] (:)==(=)
   Call: (192) [system] is_list([:, _proof4, _premise4])
   Exit: (192) [system] is_list([:, _proof4, _premise4])
^  Call: (192) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1212240)
   Call: (193) [apply] apply:maplist_([:, _proof4, _premise4], _1212240, user:s2t)
^  Call: (194) [user] s2t(:, _1214120)
   Call: (195) [system] compound(:)
   Call: (195) [system] (:)=_1214120
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] s2t(:, :)
   Call: (194) [apply] apply:maplist_([_proof4, _premise4], _1214122, user:s2t)
^  Call: (195) [user] s2t(_proof4, _1219694)
   Call: (196) [system] compound(_proof4)
   Exit: (196) [system] compound(_proof4)
   Call: (196) [system] is_list(_proof4)
^  Call: (196) [user] s2tl(_proof4, _1219694)
   Call: (197) [system] compound(_proof4)
   Exit: (197) [system] compound(_proof4)
^  Exit: (196) [user] s2tl(_proof4, _proof4)
^  Exit: (195) [user] s2t(_proof4, _proof4)
   Call: (195) [apply] apply:maplist_([_premise4], _1219696, user:s2t)
^  Call: (196) [user] s2t(_premise4, _1228964)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _1228964)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
   Call: (196) [apply] apply:maplist_([], _1228966, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (193) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (192) [system] compound_name_arguments(_1204828, t, [:, _proof4, _premise4])
   Exit: (192) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (191) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1204830, user:s2t)
^  Call: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1246632)
   Call: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Call: (193) [system] synthesize==(->)
   Call: (193) [system] synthesize=='Cons'
   Call: (193) [system] synthesize==(=)
   Call: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (193) [user] apply:maplist(s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1254044)
   Call: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1254044, user:s2t)
^  Call: (195) [user] s2t(synthesize, _1255924)
   Call: (196) [system] compound(synthesize)
   Call: (196) [system] synthesize=_1255924
   Exit: (196) [system] synthesize=synthesize
^  Exit: (195) [user] s2t(synthesize, synthesize)
   Call: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], _1255926, user:s2t)
^  Call: (196) [user] s2t([:, _proof4, _premise4], _1261498)
   Call: (197) [system] compound([:, _proof4, _premise4])
   Exit: (197) [system] compound([:, _proof4, _premise4])
   Call: (197) [system] (:)==(->)
   Call: (197) [system] (:)=='Cons'
   Call: (197) [system] (:)==(=)
   Call: (197) [system] is_list([:, _proof4, _premise4])
   Exit: (197) [system] is_list([:, _proof4, _premise4])
^  Call: (197) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1268910)
   Call: (198) [apply] apply:maplist_([:, _proof4, _premise4], _1268910, user:s2t)
^  Call: (199) [user] s2t(:, _1270790)
   Call: (200) [system] compound(:)
   Call: (200) [system] (:)=_1270790
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] s2t(:, :)
   Call: (199) [apply] apply:maplist_([_proof4, _premise4], _1270792, user:s2t)
^  Call: (200) [user] s2t(_proof4, _1276364)
   Call: (201) [system] compound(_proof4)
   Exit: (201) [system] compound(_proof4)
   Call: (201) [system] is_list(_proof4)
^  Call: (201) [user] s2tl(_proof4, _1276364)
   Call: (202) [system] compound(_proof4)
   Exit: (202) [system] compound(_proof4)
^  Exit: (201) [user] s2tl(_proof4, _proof4)
^  Exit: (200) [user] s2t(_proof4, _proof4)
   Call: (200) [apply] apply:maplist_([_premise4], _1276366, user:s2t)
^  Call: (201) [user] s2t(_premise4, _1285634)
   Call: (202) [system] compound(_premise4)
   Exit: (202) [system] compound(_premise4)
   Call: (202) [system] is_list(_premise4)
^  Call: (202) [user] s2tl(_premise4, _1285634)
   Call: (203) [system] compound(_premise4)
   Exit: (203) [system] compound(_premise4)
^  Exit: (202) [user] s2tl(_premise4, _premise4)
^  Exit: (201) [user] s2t(_premise4, _premise4)
   Call: (201) [apply] apply:maplist_([], _1285636, user:s2t)
   Exit: (201) [apply] apply:maplist_([], [], user:s2t)
   Exit: (200) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (199) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (198) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (197) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (197) [system] compound_name_arguments(_1261498, t, [:, _proof4, _premise4])
   Exit: (197) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (196) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (196) [apply] apply:maplist_([_kb, _rb, _k], _1261500, user:s2t)
^  Call: (197) [user] s2t(_kb, _1303302)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
   Call: (198) [system] is_list(_kb)
^  Call: (198) [user] s2tl(_kb, _1303302)
   Call: (199) [system] compound(_kb)
   Exit: (199) [system] compound(_kb)
^  Exit: (198) [user] s2tl(_kb, _kb)
^  Exit: (197) [user] s2t(_kb, _kb)
   Call: (197) [apply] apply:maplist_([_rb, _k], _1303304, user:s2t)
^  Call: (198) [user] s2t(_rb, _1312572)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
   Call: (199) [system] is_list(_rb)
^  Call: (199) [user] s2tl(_rb, _1312572)
   Call: (200) [system] compound(_rb)
   Exit: (200) [system] compound(_rb)
^  Exit: (199) [user] s2tl(_rb, _rb)
^  Exit: (198) [user] s2t(_rb, _rb)
   Call: (198) [apply] apply:maplist_([_k], _1312574, user:s2t)
^  Call: (199) [user] s2t(_k, _1321842)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
   Call: (200) [system] is_list(_k)
^  Call: (200) [user] s2tl(_k, _1321842)
   Call: (201) [system] compound(_k)
   Exit: (201) [system] compound(_k)
^  Exit: (200) [user] s2tl(_k, _k)
^  Exit: (199) [user] s2t(_k, _k)
   Call: (199) [apply] apply:maplist_([], _1321844, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (197) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], [t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
^  Exit: (193) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Call: (193) [system] compound_name_arguments(_1246632, t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Exit: (193) [system] compound_name_arguments(t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k), t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
^  Exit: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))
   Call: (192) [apply] apply:maplist_([], _1246634, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
   Exit: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Call: (189) [system] compound_name_arguments(_1195536, t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Exit: (189) [system] compound_name_arguments(t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)), t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
^  Exit: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)))
   Call: (188) [apply] apply:maplist_([], _1195538, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_454258, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _454260, user:s2t)
^  Call: (181) [user] s2t(_query, _1360042)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1360042)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1360044, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_439392, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _439394)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_439394
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(ynthesize_long_1726258747_317601, ynthesize_long_1726258747_317601, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], _1385132)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1385132=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1390694=..[ynthesize_long_1726258747_317601, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (172) [system] ynthesize_long_1726258747_317601(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))=..[ynthesize_long_1726258747_317601, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x558d99f9b220), "~q.~n", [ynthesize_long_1726258747_317601(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 116)
^  Exit: (169) [system] once(user:(if_t((get_time(1726258769.0443792), arg(1, t(1726258769.0443792), 1726258756.3628235), 12.68155574798584 is 1726258769.0443792-1726258756.3628235, 12.68155574798584>4), (nb_setarg(1, t(1726258769.0443792), 1726258769.0443792), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 25, 25+1), write_metta_datalog_term((0x558d99f9b220), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ynthesize_long_1726258747_317601, 116)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 153)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 153))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 153))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _1415886)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _1423308)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _1430730)
   Exit: (176) [system] peek_char((0x558d99e6bec0), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (177) [system] string((0x558d99e6bec0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (178) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (178) [system] peek_char((0x558d99e6bec0), _1439068)
   Exit: (178) [system] peek_char((0x558d99e6bec0), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1441854=(0x558d99e6bec0)
   Exit: (178) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (178) [user] once((read_position((0x558d99e6bec0), _1443722, _1443724, _1443726, _1443728), read_sexpr((0x558d99e6bec0), _1443740), assertz(metta_file_comment(_1443722, _1443724, _1443726, _1443740, _1443728))))
^  Call: (180) [user] read_position((0x558d99e6bec0), _1443722, _1443724, _1443726, _1443728)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_1443728))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_1443728))
   Exit: (182) [system] nonvar(position(_1443728))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(7568, 155, 0, 7568)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), _1443722)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1453980)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), _1443722)
   Exit: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), 155)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), 155)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), _1443724)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1461414)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), _1443724)
   Exit: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), _1443726)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1468848)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), _1443726)
   Exit: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), 7568)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), 7568)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568))
^  Call: (180) [user] read_sexpr((0x558d99e6bec0), _1443740)
   Call: (181) [system] string((0x558d99e6bec0))
   Fail: (181) [system] string((0x558d99e6bec0))
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _1443740)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _1479074)
   Exit: (183) [system] peek_char((0x558d99e6bec0), !)
   Call: (183) [system] !=(;)
   Fail: (183) [system] !=(;)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Fail: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Fail: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Fail: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
   Fail: (184) [system] char_type(!, cntrl)
^  Fail: (183) [user] is_like_space(!)
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _1493228)
   Exit: (182) [system] get_char((0x558d99e6bec0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x558d99e6bec0), _1504366)
   Call: (183) [system] string((0x558d99e6bec0))
   Fail: (183) [system] string((0x558d99e6bec0))
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _1504366)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1509000)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _1523154)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _1504366)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1528724)
   Exit: (186) [system] peek_char((0x558d99e6bec0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _1542878)
   Exit: (185) [system] peek_char((0x558d99e6bec0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _1548448)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1550306)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _1564460)
   Exit: (186) [system] get_char((0x558d99e6bec0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, _1548448)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1582102)
   Call: (188) [system] peek_char((0x558d99e6bec0), _1583036)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1587756, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_1588688, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x558d99e6bec0), s)
   Exit: (188) [system] get_char((0x558d99e6bec0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1596038)
   Call: (189) [system] peek_char((0x558d99e6bec0), _1596972)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1601692, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_1602624, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x558d99e6bec0), s)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1609974)
   Call: (190) [system] peek_char((0x558d99e6bec0), _1610908)
   Exit: (190) [system] peek_char((0x558d99e6bec0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1615628, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_1616560, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x558d99e6bec0), e)
   Exit: (190) [system] get_char((0x558d99e6bec0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1623910)
   Call: (191) [system] peek_char((0x558d99e6bec0), _1624844)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1629564, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_1630496, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1637846)
   Call: (192) [system] peek_char((0x558d99e6bec0), _1638780)
   Exit: (192) [system] peek_char((0x558d99e6bec0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1643500, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_1644432, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x558d99e6bec0), t)
   Exit: (192) [system] get_char((0x558d99e6bec0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1651782)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1652716)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1657436, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_1658368, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x558d99e6bec0), 'E')
   Exit: (193) [system] get_char((0x558d99e6bec0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1665718)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1666652)
   Exit: (194) [system] peek_char((0x558d99e6bec0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1671372, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_1672304, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x558d99e6bec0), q)
   Exit: (194) [system] get_char((0x558d99e6bec0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1679654)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1680588)
   Exit: (195) [system] peek_char((0x558d99e6bec0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1685308, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_1686240, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x558d99e6bec0), u)
   Exit: (195) [system] get_char((0x558d99e6bec0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1693590)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1694524)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1699244, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_1700176, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x558d99e6bec0), a)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1707526)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1708460)
   Exit: (197) [system] peek_char((0x558d99e6bec0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1713180, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_1714112, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x558d99e6bec0), l)
   Exit: (197) [system] get_char((0x558d99e6bec0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1721462)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1722396)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1727116, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_1728048, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x558d99e6bec0), 'T')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1735398)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1736332)
   Exit: (199) [system] peek_char((0x558d99e6bec0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1741052, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_1741984, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x558d99e6bec0), o)
   Exit: (199) [system] get_char((0x558d99e6bec0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1749334)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1750268)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1754988, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_1755920, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x558d99e6bec0), 'R')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1763270)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1764204)
   Exit: (201) [system] peek_char((0x558d99e6bec0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1768924, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_1769856, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x558d99e6bec0), e)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1777206)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1778140)
   Exit: (202) [system] peek_char((0x558d99e6bec0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1782860, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1783792, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x558d99e6bec0), s)
   Exit: (202) [system] get_char((0x558d99e6bec0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1791142)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1792076)
   Exit: (203) [system] peek_char((0x558d99e6bec0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1796796, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_1797728, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x558d99e6bec0), u)
   Exit: (203) [system] get_char((0x558d99e6bec0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1805078)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1806012)
   Exit: (204) [system] peek_char((0x558d99e6bec0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1810732, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_1811664, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x558d99e6bec0), l)
   Exit: (204) [system] get_char((0x558d99e6bec0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1819014)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1819948)
   Exit: (205) [system] peek_char((0x558d99e6bec0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1824668, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_1825600, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x558d99e6bec0), t)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1832950)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1833884)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1832950=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1819014=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (204) [system] _1805078=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, t])
   Call: (203) [system] _1791142=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, l, t])
   Call: (202) [system] _1777206=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, u, l, t])
   Call: (201) [system] _1763270=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, u, l, t])
   Call: (200) [system] _1749334=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['R', e, s, u, l, t])
   Call: (199) [system] _1735398=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1721462=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1707526=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1693590=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1679654=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1665718=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1651782=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1637846=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1623910=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1609974=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1596038=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1582102=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1548448)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1893486, _1893488), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1548448), _1893462, fail)), '$restore_trace'(_1893486, _1893488))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1893486, _1893488))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1893462, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _1900986)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _1902844)
   Exit: (187) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (187) [system] ' '=(;)
   Fail: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x558d99e6bec0), _1910582)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1913286)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _1922880)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1925584)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _1933322)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1936026)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1943764)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1946468)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _1964318)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _1969888)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1971746)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _1985900)
   Exit: (187) [system] get_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1969888)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1991470)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _2005624)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _2011194)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _2013052)
   Exit: (190) [system] peek_char((0x558d99e6bec0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _2027206)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), s, _2011194)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2044848)
   Call: (191) [system] peek_char((0x558d99e6bec0), _2045782)
   Exit: (191) [system] peek_char((0x558d99e6bec0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_2050502, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_2051434, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x558d99e6bec0), y)
   Exit: (191) [system] get_char((0x558d99e6bec0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2058784)
   Call: (192) [system] peek_char((0x558d99e6bec0), _2059718)
   Exit: (192) [system] peek_char((0x558d99e6bec0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_2064438, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_2065370, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x558d99e6bec0), n)
   Exit: (192) [system] get_char((0x558d99e6bec0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2072720)
   Call: (193) [system] peek_char((0x558d99e6bec0), _2073654)
   Exit: (193) [system] peek_char((0x558d99e6bec0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_2078374, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_2079306, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x558d99e6bec0), t)
   Exit: (193) [system] get_char((0x558d99e6bec0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2086656)
   Call: (194) [system] peek_char((0x558d99e6bec0), _2087590)
   Exit: (194) [system] peek_char((0x558d99e6bec0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_2092310, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_2093242, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x558d99e6bec0), h)
   Exit: (194) [system] get_char((0x558d99e6bec0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _7058)
   Call: (195) [system] peek_char((0x558d99e6bec0), _7992)
   Exit: (195) [system] peek_char((0x558d99e6bec0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_12712, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_13644, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x558d99e6bec0), e)
   Exit: (195) [system] get_char((0x558d99e6bec0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _20994)
   Call: (196) [system] peek_char((0x558d99e6bec0), _21928)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_26648, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_27580, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x558d99e6bec0), s)
   Exit: (196) [system] get_char((0x558d99e6bec0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _34930)
   Call: (197) [system] peek_char((0x558d99e6bec0), _35864)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_40584, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_41516, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _48866)
   Call: (198) [system] peek_char((0x558d99e6bec0), _49800)
   Exit: (198) [system] peek_char((0x558d99e6bec0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_54520, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_55452, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x558d99e6bec0), z)
   Exit: (198) [system] get_char((0x558d99e6bec0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _62802)
   Call: (199) [system] peek_char((0x558d99e6bec0), _63736)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_68456, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_69388, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _76738)
   Call: (200) [system] peek_char((0x558d99e6bec0), _77672)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _76738=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _62802=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _48866=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (197) [system] _34930=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (196) [system] _20994=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (195) [system] _7058=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (194) [system] _3394=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (193) [system] _3390=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (192) [system] _3386=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _3382=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _3378)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_112128, _112130), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _3378), _112104, fail)), '$restore_trace'(_112128, _112130))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_112128, _112130))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _112104, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(synthesize)
   Exit: (191) [system] atomic(synthesize)
^  Exit: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _119628)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _121486)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _129224)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _131928)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _147006)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _152576)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _154434)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _168588)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _152576)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _174158)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _188312)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _193882)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _195740)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _209894)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _193882)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _227536)
   Call: (194) [system] peek_char((0x558d99e6bec0), _228470)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _227536=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _193882)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_237780, _237782), once(user:catch(read_from_chars([:], _193882), _237756, fail)), '$restore_trace'(_237780, _237782))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_237780, _237782))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _237756, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _245280)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _247138)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _254876)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _257580)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _272658)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _278228)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _280086)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _294240)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _278228)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _311882)
   Call: (195) [system] peek_char((0x558d99e6bec0), _312816)
   Exit: (195) [system] peek_char((0x558d99e6bec0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_317536, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_318468, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x558d99e6bec0), t)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _325818)
   Call: (196) [system] peek_char((0x558d99e6bec0), _326752)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_331472, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_332404, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _339754)
   Call: (197) [system] peek_char((0x558d99e6bec0), _340688)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_345408, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_346340, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _353690)
   Call: (198) [system] peek_char((0x558d99e6bec0), _354624)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_359344, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_360276, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _367626)
   Call: (199) [system] peek_char((0x558d99e6bec0), _368560)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _367626=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _353690=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (197) [system] _339754=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, m])
   Call: (196) [system] _325818=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, m])
   Call: (195) [system] _311882=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _278228)
   Call: (195) [system] atom_chars(_389020, ['_', t, e, r, m])
   Exit: (195) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _term)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _393684)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _395542)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _403280)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _405984)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _421062)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _426632)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _428490)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _442644)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _426632)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _460286)
   Call: (196) [system] peek_char((0x558d99e6bec0), _461220)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_465940, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_466872, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _474222)
   Call: (197) [system] peek_char((0x558d99e6bec0), _475156)
   Exit: (197) [system] peek_char((0x558d99e6bec0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_479876, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_480808, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x558d99e6bec0), y)
   Exit: (197) [system] get_char((0x558d99e6bec0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _488158)
   Call: (198) [system] peek_char((0x558d99e6bec0), _489092)
   Exit: (198) [system] peek_char((0x558d99e6bec0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_493812, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_494744, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x558d99e6bec0), p)
   Exit: (198) [system] get_char((0x558d99e6bec0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _502094)
   Call: (199) [system] peek_char((0x558d99e6bec0), _503028)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_507748, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_508680, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _516030)
   Call: (200) [system] peek_char((0x558d99e6bec0), _516964)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_521684, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _516030=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _502094=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _488158=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, e])
   Call: (197) [system] _474222=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, p, e])
   Call: (196) [system] _460286=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _426632)
   Call: (196) [system] atom_chars(_539296, ['_', t, y, p, e])
   Exit: (196) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _type)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _543960)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _545818)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _559972)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _563762)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _543960=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _393684=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_type])
   Call: (192) [system] _245280=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_term, _type])
   Call: (191) [system] _152576=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _577644)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _579502)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _587240)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _589944)
   Exit: (192) [system] peek_char((0x558d99e6bec0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _605022)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _610592)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _612450)
   Exit: (192) [system] peek_char((0x558d99e6bec0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _626604)
   Exit: (191) [system] get_char((0x558d99e6bec0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), k, _610592)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _644246)
   Call: (193) [system] peek_char((0x558d99e6bec0), _645180)
   Exit: (193) [system] peek_char((0x558d99e6bec0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_649900, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_650832, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x558d99e6bec0), b)
   Exit: (193) [system] get_char((0x558d99e6bec0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _658182)
   Call: (194) [system] peek_char((0x558d99e6bec0), _659116)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _658182=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _644246=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (192) [user] classify_and_convert_charseq(k, [b], _610592)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_671220, _671222), once(user:catch(read_from_chars([k, b], _610592), _671196, fail)), '$restore_trace'(_671220, _671222))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_671220, _671222))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _671196, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(kb)
   Exit: (193) [system] atomic(kb)
^  Exit: (192) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _678720)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _680578)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _688316)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _691020)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _706098)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _711668)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _713526)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _727680)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), r, _711668)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _745322)
   Call: (194) [system] peek_char((0x558d99e6bec0), _746256)
   Exit: (194) [system] peek_char((0x558d99e6bec0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_750976, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_751908, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x558d99e6bec0), b)
   Exit: (194) [system] get_char((0x558d99e6bec0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _759258)
   Call: (195) [system] peek_char((0x558d99e6bec0), _760192)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _759258=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _745322=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (193) [user] classify_and_convert_charseq(r, [b], _711668)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_772296, _772298), once(user:catch(read_from_chars([r, b], _711668), _772272, fail)), '$restore_trace'(_772296, _772298))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_772296, _772298))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _772272, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(rb)
   Exit: (194) [system] atomic(rb)
^  Exit: (193) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _779796)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _781654)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _789392)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _792096)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _807174)
   Exit: (192) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (192) [system] 'Z'=')'
   Fail: (192) [system] 'Z'=')'
   Call: (192) [system] 'Z'=end_of_file
   Fail: (192) [system] 'Z'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _812744)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _814602)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (194) [system] 'Z'=(;)
   Fail: (194) [system] 'Z'=(;)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Fail: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Fail: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Fail: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
   Fail: (195) [system] char_type('Z', cntrl)
^  Fail: (194) [user] is_like_space('Z')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _828756)
   Exit: (193) [system] get_char((0x558d99e6bec0), 'Z')
   Call: (193) [system] 'Z'='('
   Fail: (193) [system] 'Z'='('
   Call: (193) [system] 'Z'='['
   Fail: (193) [system] 'Z'='['
   Call: (193) [system] 'Z'='{'
   Fail: (193) [system] 'Z'='{'
   Call: (193) [system] 'Z'='"'
   Fail: (193) [system] 'Z'='"'
   Call: (193) [system] 'Z'=!
   Fail: (193) [system] 'Z'=!
   Call: (193) [system] 'Z'='\''
   Fail: (193) [system] 'Z'='\''
   Call: (193) [system] 'Z'='`'
   Fail: (193) [system] 'Z'='`'
   Call: (193) [system] 'Z'=end_of_file
   Fail: (193) [system] 'Z'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', _812744)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _846398)
   Call: (195) [system] peek_char((0x558d99e6bec0), _847332)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_852052, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _846398=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq('Z', [], _812744)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_858514, _858516), once(user:catch(read_from_chars(['Z'], _812744), _858490, fail)), '$restore_trace'(_858514, _858516))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_858514, _858516))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _812744), _858490, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_812744)
   Fail: (195) [system] atomic(_812744)
   Call: (195) [system] atom_chars(_812744, ['Z'])
   Exit: (195) [system] atom_chars('Z', ['Z'])
^  Exit: (194) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', 'Z')
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), 'Z')
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _867890)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _869748)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _883902)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _887692)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _867890=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _779796=['Z']
   Exit: (192) [system] ['Z']=['Z']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), ['Z'])
   Call: (191) [system] _678720=[rb, 'Z']
   Exit: (191) [system] [rb, 'Z']=[rb, 'Z']
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [rb, 'Z'])
   Call: (190) [system] _577644=[kb, rb, 'Z']
   Exit: (190) [system] [kb, rb, 'Z']=[kb, rb, 'Z']
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [kb, rb, 'Z'])
   Call: (189) [system] _119628=[[:, _term, _type], kb, rb, 'Z']
   Exit: (189) [system] [[:, _term, _type], kb, rb, 'Z']=[[:, _term, _type], kb, rb, 'Z']
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[:, _term, _type], kb, rb, 'Z'])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, 'Z']
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, 'Z']=[synthesize, [:, _term, _type], kb, rb, 'Z']
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _907162)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _909020)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _918614)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _921318)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _929056)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _931760)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _939498)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _942202)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _959128)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _964698)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _966556)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _980710)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _964698)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _986280)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1000434)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _1006004)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1007862)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _1022016)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1006004)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1027586)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1041740)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1047310)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1049168)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1063322)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _1047310)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1080964)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1081898)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1080964=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _1047310)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1091208, _1091210), once(user:catch(read_from_chars([:], _1047310), _1091184, fail)), '$restore_trace'(_1091208, _1091210))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1091208, _1091210))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1091184, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1098708)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1100566)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1108304)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1111008)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1126086)
   Exit: (192) [system] peek_char((0x558d99e6bec0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1131656)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1133514)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1147668)
   Exit: (193) [system] get_char((0x558d99e6bec0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, _1131656)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1165310)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1166244)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1165310=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq(a, [], _1131656)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1175554, _1175556), once(user:catch(read_from_chars([a], _1131656), _1175530, fail)), '$restore_trace'(_1175554, _1175556))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1175554, _1175556))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1175530, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(a)
   Exit: (195) [system] atomic(a)
^  Exit: (194) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1183054)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1184912)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1192650)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1195354)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1210432)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (193) [system] 'A'=')'
   Fail: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
   Fail: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1216002)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1217860)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (195) [system] 'A'=(;)
   Fail: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Fail: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Fail: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Fail: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
   Fail: (196) [system] char_type('A', cntrl)
^  Fail: (195) [user] is_like_space('A')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1232014)
   Exit: (194) [system] get_char((0x558d99e6bec0), 'A')
   Call: (194) [system] 'A'='('
   Fail: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Fail: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Fail: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Fail: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Fail: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Fail: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Fail: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
   Fail: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1216002)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1249656)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1250590)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1255310, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1249656=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq('A', [], _1216002)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1261772, _1261774), once(user:catch(read_from_chars(['A'], _1216002), _1261748, fail)), '$restore_trace'(_1261772, _1261774))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1261772, _1261774))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1216002), _1261748, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1216002)
   Fail: (196) [system] atomic(_1216002)
   Call: (196) [system] atom_chars(_1216002, ['A'])
   Exit: (196) [system] atom_chars('A', ['A'])
^  Exit: (195) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1271148)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1273006)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1287160)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1290950)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1271148=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1183054=['A']
   Exit: (193) [system] ['A']=['A']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (192) [system] _1098708=[a, 'A']
   Exit: (192) [system] [a, 'A']=[a, 'A']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [a, 'A'])
   Call: (191) [system] _1006004=[:, a, 'A']
   Exit: (191) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, a, 'A'])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'A'])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1304832)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1306690)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _1314428)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1317132)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1332210)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1337780)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1339638)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1353792)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1337780)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1359362)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1373516)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1379086)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1380944)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1395098)
   Exit: (193) [system] get_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, _1379086)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1412740)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1413674)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1412740=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1379086)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1422984, _1422986), once(user:catch(read_from_chars([:], _1379086), _1422960, fail)), '$restore_trace'(_1422984, _1422986))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1422984, _1422986))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1422960, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1430484)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1432342)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1440080)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1442784)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1457862)
   Exit: (193) [system] peek_char((0x558d99e6bec0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1463432)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1465290)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1479444)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), a, _1463432)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1497086)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1498020)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1497086=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(a, [], _1463432)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1507330, _1507332), once(user:catch(read_from_chars([a], _1463432), _1507306, fail)), '$restore_trace'(_1507330, _1507332))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1507330, _1507332))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1507306, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1514830)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1516688)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1524426)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1527130)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1542208)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1547778)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1549636)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1563790)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1547778)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1581432)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1582366)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1587086, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1581432=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('B', [], _1547778)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1593548, _1593550), once(user:catch(read_from_chars(['B'], _1547778), _1593524, fail)), '$restore_trace'(_1593548, _1593550))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1593548, _1593550))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1547778), _1593524, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1547778)
   Fail: (197) [system] atomic(_1547778)
   Call: (197) [system] atom_chars(_1547778, ['B'])
   Exit: (197) [system] atom_chars('B', ['B'])
^  Exit: (196) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1602924)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1604782)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1618936)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1622726)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1602924=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1514830=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (193) [system] _1430484=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [a, 'B'])
   Call: (192) [system] _1337780=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1636608)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1638466)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1646204)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1648908)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1663986)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1669556)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1671414)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1685568)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1669556)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1691138)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1705292)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1710862)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1712720)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1726874)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _1710862)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1744516)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1745450)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1744516=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _1710862)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1754760, _1754762), once(user:catch(read_from_chars([:], _1710862), _1754736, fail)), '$restore_trace'(_1754760, _1754762))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1754760, _1754762))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1754736, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1762260)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1764118)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1771856)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1774560)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1789638)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=')'
   Fail: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1795208)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1797066)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(;)
   Fail: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Fail: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Fail: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
   Fail: (197) [system] char_type(a, cntrl)
^  Fail: (196) [user] is_like_space(a)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1811220)
   Exit: (195) [system] get_char((0x558d99e6bec0), a)
   Call: (195) [system] a='('
   Fail: (195) [system] a='('
   Call: (195) [system] a='['
   Fail: (195) [system] a='['
   Call: (195) [system] a='{'
   Fail: (195) [system] a='{'
   Call: (195) [system] a='"'
   Fail: (195) [system] a='"'
   Call: (195) [system] a=!
   Fail: (195) [system] a=!
   Call: (195) [system] a='\''
   Fail: (195) [system] a='\''
   Call: (195) [system] a='`'
   Fail: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), a, _1795208)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1828862)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1829796)
   Exit: (197) [system] peek_char((0x558d99e6bec0), b)
^  Call: (197) [user] is_delimiter(b)
   Call: (198) [system] char_type(b, space)
   Fail: (198) [system] char_type(b, space)
   Call: (198) [system] arg(_1834516, v('(', ')', end_of_file), b)
   Fail: (198) [system] arg(_1835448, v('(', ')', end_of_file), b)
^  Fail: (197) [user] is_delimiter(b)
   Call: (197) [system] ')'==b
   Fail: (197) [system] ')'==b
   Call: (197) [system] get_char((0x558d99e6bec0), b)
   Exit: (197) [system] get_char((0x558d99e6bec0), b)
   Call: (197) [system] b=(\)
   Fail: (197) [system] b=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842798)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1843732)
   Exit: (198) [system] peek_char((0x558d99e6bec0), c)
^  Call: (198) [user] is_delimiter(c)
   Call: (199) [system] char_type(c, space)
   Fail: (199) [system] char_type(c, space)
   Call: (199) [system] arg(_1848452, v('(', ')', end_of_file), c)
   Fail: (199) [system] arg(_1849384, v('(', ')', end_of_file), c)
^  Fail: (198) [user] is_delimiter(c)
   Call: (198) [system] ')'==c
   Fail: (198) [system] ')'==c
   Call: (198) [system] get_char((0x558d99e6bec0), c)
   Exit: (198) [system] get_char((0x558d99e6bec0), c)
   Call: (198) [system] c=(\)
   Fail: (198) [system] c=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856734)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1857668)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1856734=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1842798=[c]
   Exit: (198) [system] [c]=[c]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (197) [system] _1828862=[b, c]
   Exit: (197) [system] [b, c]=[b, c]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (196) [user] classify_and_convert_charseq(a, [b, c], _1795208)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1872566, _1872568), once(user:catch(read_from_chars([a, b, c], _1795208), _1872542, fail)), '$restore_trace'(_1872566, _1872568))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1872566, _1872568))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1872542, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(abc)
   Exit: (197) [system] atomic(abc)
^  Exit: (196) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1880066)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1881924)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1889662)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1892366)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1907444)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1913014)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1914872)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1929026)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1913014)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1934596)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1948750)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1954320)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1956178)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1970332)
   Exit: (198) [system] get_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1954320)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1987974)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1988908)
   Exit: (200) [system] peek_char((0x558d99e6bec0), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_1993628, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_1994560, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x558d99e6bec0), m)
   Exit: (200) [system] get_char((0x558d99e6bec0), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2001910)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2002844)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2007564, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_2008496, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2015846)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2016780)
   Exit: (202) [system] peek_char((0x558d99e6bec0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_2021500, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_2022432, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x558d99e6bec0), l)
   Exit: (202) [system] get_char((0x558d99e6bec0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2029782)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2030716)
   Exit: (203) [system] peek_char((0x558d99e6bec0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_2035436, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_2036368, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x558d99e6bec0), i)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2043718)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2044652)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_2049372, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_2050304, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2057654)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2058588)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_2063308, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_2064240, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x558d99e6bec0), a)
   Exit: (205) [system] get_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2071590)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2072524)
   Exit: (206) [system] peek_char((0x558d99e6bec0), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_2077244, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_2078176, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x558d99e6bec0), t)
   Exit: (206) [system] get_char((0x558d99e6bec0), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2085526)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2086460)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_2091180, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_2092112, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _6152)
   Call: (208) [system] peek_char((0x558d99e6bec0), _7086)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_11806, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_12738, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _20088)
   Call: (209) [system] peek_char((0x558d99e6bec0), _21022)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_25742, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_26674, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _34024)
   Call: (210) [system] peek_char((0x558d99e6bec0), _34958)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _34024=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _20088=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (208) [system] _6152=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (207) [system] _3544=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (206) [system] _3540=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (205) [system] _3536=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (204) [system] _3532=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (203) [system] _3528=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (202) [system] _3524=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _3520=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _3516=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _3512)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_72208, _72210), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3512), _72184, fail)), '$restore_trace'(_72208, _72210))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_72208, _72210))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3512), _72184, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_3512)
   Fail: (200) [system] atomic(_3512)
   Call: (200) [system] atom_chars(_3512, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _81584)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _83442)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _91180)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _93884)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _108962)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _114532)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _116390)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _130544)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _114532)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _136114)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _150268)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'=')'
   Fail: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _155838)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _157696)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (202) [system] 'A'=(;)
   Fail: (202) [system] 'A'=(;)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Fail: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Fail: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Fail: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
   Fail: (203) [system] char_type('A', cntrl)
^  Fail: (202) [user] is_like_space('A')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _171850)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'='('
   Fail: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Fail: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Fail: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Fail: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Fail: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Fail: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Fail: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _155838)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _189492)
   Call: (203) [system] peek_char((0x558d99e6bec0), _190426)
   Exit: (203) [system] peek_char((0x558d99e6bec0), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Fail: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_195146, v('(', ')', end_of_file), n)
   Fail: (204) [system] arg(_196078, v('(', ')', end_of_file), n)
^  Fail: (203) [user] is_delimiter(n)
   Call: (203) [system] ')'==n
   Fail: (203) [system] ')'==n
   Call: (203) [system] get_char((0x558d99e6bec0), n)
   Exit: (203) [system] get_char((0x558d99e6bec0), n)
   Call: (203) [system] n=(\)
   Fail: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _203428)
   Call: (204) [system] peek_char((0x558d99e6bec0), _204362)
   Exit: (204) [system] peek_char((0x558d99e6bec0), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Fail: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_209082, v('(', ')', end_of_file), d)
   Fail: (205) [system] arg(_210014, v('(', ')', end_of_file), d)
^  Fail: (204) [user] is_delimiter(d)
   Call: (204) [system] ')'==d
   Fail: (204) [system] ')'==d
   Call: (204) [system] get_char((0x558d99e6bec0), d)
   Exit: (204) [system] get_char((0x558d99e6bec0), d)
   Call: (204) [system] d=(\)
   Fail: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _217364)
   Call: (205) [system] peek_char((0x558d99e6bec0), _218298)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_223018, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_223950, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (205) [system] get_char((0x558d99e6bec0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _231300)
   Call: (206) [system] peek_char((0x558d99e6bec0), _232234)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_236954, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_237886, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _245236)
   Call: (207) [system] peek_char((0x558d99e6bec0), _246170)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_250890, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_251822, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _259172)
   Call: (208) [system] peek_char((0x558d99e6bec0), _260106)
   Exit: (208) [system] peek_char((0x558d99e6bec0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_264826, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_265758, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x558d99e6bec0), k)
   Exit: (208) [system] get_char((0x558d99e6bec0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _273108)
   Call: (209) [system] peek_char((0x558d99e6bec0), _274042)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _273108=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _259172=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (207) [system] _245236=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (206) [system] _231300=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (205) [system] _217364=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (204) [system] _203428=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (203) [system] _189492=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _155838)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_300116, _300118), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _155838), _300092, fail)), '$restore_trace'(_300116, _300118))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_300116, _300118))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _155838), _300092, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_155838)
   Fail: (203) [system] atomic(_155838)
   Call: (203) [system] atom_chars(_155838, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _309492)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _311350)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _319088)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _321792)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _336870)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=')'
   Fail: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
   Fail: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _342440)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _344298)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (203) [system] 'A'=(;)
   Fail: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Fail: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Fail: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Fail: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
   Fail: (204) [system] char_type('A', cntrl)
^  Fail: (203) [user] is_like_space('A')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _358452)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'A')
   Call: (202) [system] 'A'='('
   Fail: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Fail: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Fail: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Fail: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Fail: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Fail: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Fail: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
   Fail: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _342440)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _376094)
   Call: (204) [system] peek_char((0x558d99e6bec0), _377028)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _376094=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq('A', [], _342440)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_386338, _386340), once(user:catch(read_from_chars(['A'], _342440), _386314, fail)), '$restore_trace'(_386338, _386340))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_386338, _386340))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _342440), _386314, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_342440)
   Fail: (204) [system] atomic(_342440)
   Call: (204) [system] atom_chars(_342440, ['A'])
   Exit: (204) [system] atom_chars('A', ['A'])
^  Exit: (203) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _395714)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _397572)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _405310)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _408014)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _423092)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _428662)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _430520)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _444674)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _428662)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _462316)
   Call: (205) [system] peek_char((0x558d99e6bec0), _463250)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_467970, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _462316=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq('B', [], _428662)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_474432, _474434), once(user:catch(read_from_chars(['B'], _428662), _474408, fail)), '$restore_trace'(_474432, _474434))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_474432, _474434))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _428662), _474408, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_428662)
   Fail: (205) [system] atomic(_428662)
   Call: (205) [system] atom_chars(_428662, ['B'])
   Exit: (205) [system] atom_chars('B', ['B'])
^  Exit: (204) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _483808)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _485666)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _499820)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _503610)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _483808=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _395714=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (201) [system] _309492=['A', 'B']
   Exit: (201) [system] ['A', 'B']=['A', 'B']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (200) [system] _114532=['AndLink', 'A', 'B']
   Exit: (200) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _517492)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _519350)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _527088)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _529792)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _544870)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=')'
   Fail: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
   Fail: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _550440)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _552298)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'=(;)
   Fail: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Fail: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Fail: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Fail: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
   Fail: (202) [system] char_type('C', cntrl)
^  Fail: (201) [user] is_like_space('C')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _566452)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'C')
   Call: (200) [system] 'C'='('
   Fail: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Fail: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Fail: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Fail: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Fail: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Fail: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Fail: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
   Fail: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _550440)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584094)
   Call: (202) [system] peek_char((0x558d99e6bec0), _585028)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_589748, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _584094=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq('C', [], _550440)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_596210, _596212), once(user:catch(read_from_chars(['C'], _550440), _596186, fail)), '$restore_trace'(_596210, _596212))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_596210, _596212))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _550440), _596186, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_550440)
   Fail: (202) [system] atomic(_550440)
   Call: (202) [system] atom_chars(_550440, ['C'])
   Exit: (202) [system] atom_chars('C', ['C'])
^  Exit: (201) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _605586)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _607444)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _621598)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _625388)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _605586=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _517492=['C']
   Exit: (199) [system] ['C']=['C']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (198) [system] _81584=[['AndLink', 'A', 'B'], 'C']
   Exit: (198) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (197) [system] _3506=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (197) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _639270)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _641128)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _655282)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _659072)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _639270=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _3502=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (195) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (194) [system] _3496=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (194) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (193) [system] _3488=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _672954)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _674812)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _682550)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _685254)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _700332)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _705902)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _707760)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _721914)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _705902)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _727484)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _741638)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _747208)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _749066)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _763220)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _747208)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _780862)
   Call: (197) [system] peek_char((0x558d99e6bec0), _781796)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _780862=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _747208)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_791106, _791108), once(user:catch(read_from_chars([:], _747208), _791082, fail)), '$restore_trace'(_791106, _791108))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_791106, _791108))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _791082, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _798606)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _800464)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _808202)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _810906)
   Exit: (197) [system] peek_char((0x558d99e6bec0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _825984)
   Exit: (195) [system] peek_char((0x558d99e6bec0), c)
   Call: (195) [system] c=')'
   Fail: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _831554)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _833412)
   Exit: (197) [system] peek_char((0x558d99e6bec0), c)
   Call: (197) [system] c=(;)
   Fail: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Fail: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Fail: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Fail: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
   Fail: (198) [system] char_type(c, cntrl)
^  Fail: (197) [user] is_like_space(c)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _847566)
   Exit: (196) [system] get_char((0x558d99e6bec0), c)
   Call: (196) [system] c='('
   Fail: (196) [system] c='('
   Call: (196) [system] c='['
   Fail: (196) [system] c='['
   Call: (196) [system] c='{'
   Fail: (196) [system] c='{'
   Call: (196) [system] c='"'
   Fail: (196) [system] c='"'
   Call: (196) [system] c=!
   Fail: (196) [system] c=!
   Call: (196) [system] c='\''
   Fail: (196) [system] c='\''
   Call: (196) [system] c='`'
   Fail: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
   Fail: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), c, _831554)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _865208)
   Call: (198) [system] peek_char((0x558d99e6bec0), _866142)
   Exit: (198) [system] peek_char((0x558d99e6bec0), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Fail: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_870862, v('(', ')', end_of_file), d)
   Fail: (199) [system] arg(_871794, v('(', ')', end_of_file), d)
^  Fail: (198) [user] is_delimiter(d)
   Call: (198) [system] ')'==d
   Fail: (198) [system] ')'==d
   Call: (198) [system] get_char((0x558d99e6bec0), d)
   Exit: (198) [system] get_char((0x558d99e6bec0), d)
   Call: (198) [system] d=(\)
   Fail: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _879144)
   Call: (199) [system] peek_char((0x558d99e6bec0), _880078)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_884798, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_885730, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _893080)
   Call: (200) [system] peek_char((0x558d99e6bec0), _894014)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _893080=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _879144=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _865208=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (197) [user] classify_and_convert_charseq(c, [d, e], _831554)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_908912, _908914), once(user:catch(read_from_chars([c, d, e], _831554), _908888, fail)), '$restore_trace'(_908912, _908914))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_908912, _908914))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _908888, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _916412)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _918270)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _926008)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _928712)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _943790)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _949360)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _951218)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _965372)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _949360)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _970942)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _985096)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'=')'
   Fail: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _990666)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _992524)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (200) [system] 'I'=(;)
   Fail: (200) [system] 'I'=(;)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Fail: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Fail: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Fail: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
   Fail: (201) [system] char_type('I', cntrl)
^  Fail: (200) [user] is_like_space('I')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1006678)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'I')
   Call: (199) [system] 'I'='('
   Fail: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Fail: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Fail: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Fail: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Fail: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Fail: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Fail: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
   Fail: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _990666)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1024320)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1025254)
   Exit: (201) [system] peek_char((0x558d99e6bec0), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Fail: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_1029974, v('(', ')', end_of_file), m)
   Fail: (202) [system] arg(_1030906, v('(', ')', end_of_file), m)
^  Fail: (201) [user] is_delimiter(m)
   Call: (201) [system] ')'==m
   Fail: (201) [system] ')'==m
   Call: (201) [system] get_char((0x558d99e6bec0), m)
   Exit: (201) [system] get_char((0x558d99e6bec0), m)
   Call: (201) [system] m=(\)
   Fail: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1038256)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1039190)
   Exit: (202) [system] peek_char((0x558d99e6bec0), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Fail: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1043910, v('(', ')', end_of_file), p)
   Fail: (203) [system] arg(_1044842, v('(', ')', end_of_file), p)
^  Fail: (202) [user] is_delimiter(p)
   Call: (202) [system] ')'==p
   Fail: (202) [system] ')'==p
   Call: (202) [system] get_char((0x558d99e6bec0), p)
   Exit: (202) [system] get_char((0x558d99e6bec0), p)
   Call: (202) [system] p=(\)
   Fail: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1052192)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1053126)
   Exit: (203) [system] peek_char((0x558d99e6bec0), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Fail: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1057846, v('(', ')', end_of_file), l)
   Fail: (204) [system] arg(_1058778, v('(', ')', end_of_file), l)
^  Fail: (203) [user] is_delimiter(l)
   Call: (203) [system] ')'==l
   Fail: (203) [system] ')'==l
   Call: (203) [system] get_char((0x558d99e6bec0), l)
   Exit: (203) [system] get_char((0x558d99e6bec0), l)
   Call: (203) [system] l=(\)
   Fail: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1066128)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1067062)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1071782, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_1072714, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1080064)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1080998)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1085718, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_1086650, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x558d99e6bec0), c)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1094000)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1094934)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1099654, v('(', ')', end_of_file), a)
   Fail: (207) [system] arg(_1100586, v('(', ')', end_of_file), a)
^  Fail: (206) [user] is_delimiter(a)
   Call: (206) [system] ')'==a
   Fail: (206) [system] ')'==a
   Call: (206) [system] get_char((0x558d99e6bec0), a)
   Exit: (206) [system] get_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(\)
   Fail: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1107936)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1108870)
   Exit: (207) [system] peek_char((0x558d99e6bec0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1113590, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1114522, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x558d99e6bec0), t)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1121872)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1122806)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1127526, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1128458, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1135808)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1136742)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1141462, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1142394, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1149744)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1150678)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1155398, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1156330, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1163680)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1164614)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1163680=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1149744=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (209) [system] _1135808=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (208) [system] _1121872=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (207) [system] _1107936=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (206) [system] _1094000=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (205) [system] _1080064=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (204) [system] _1066128=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (203) [system] _1052192=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _1038256=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _1024320=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _990666)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1201864, _1201866), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _990666), _1201840, fail)), '$restore_trace'(_1201864, _1201866))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1201864, _1201866))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _990666), _1201840, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_990666)
   Fail: (201) [system] atomic(_990666)
   Call: (201) [system] atom_chars(_990666, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1211240)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1213098)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1220836)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1223540)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1238618)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1244188)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1246046)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1260200)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1244188)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1265770)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1279924)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1285494)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1287352)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1301506)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1285494)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1319148)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1320082)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1324802, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_1325734, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1333084)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1334018)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1338738, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_1339670, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (205) [system] get_char((0x558d99e6bec0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1347020)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1347954)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1352674, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1353606, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1360956)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1361890)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1366610, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_1367542, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1374892)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1375826)
   Exit: (208) [system] peek_char((0x558d99e6bec0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1380546, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_1381478, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x558d99e6bec0), k)
   Exit: (208) [system] get_char((0x558d99e6bec0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1388828)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1389762)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1388828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1374892=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (207) [system] _1360956=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (206) [system] _1347020=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (205) [system] _1333084=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (204) [system] _1319148=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1285494)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1413042, _1413044), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1285494), _1413018, fail)), '$restore_trace'(_1413042, _1413044))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1413042, _1413044))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1285494), _1413018, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1285494)
   Fail: (204) [system] atomic(_1285494)
   Call: (204) [system] atom_chars(_1285494, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1422418)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1424276)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1432014)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1434718)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1449796)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'=')'
   Fail: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1455366)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1457224)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=(;)
   Fail: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Fail: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Fail: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Fail: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
   Fail: (205) [system] char_type('C', cntrl)
^  Fail: (204) [user] is_like_space('C')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1471378)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'='('
   Fail: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Fail: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Fail: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Fail: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Fail: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Fail: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Fail: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
   Fail: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1455366)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1489020)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1489954)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1489020=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq('C', [], _1455366)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1499264, _1499266), once(user:catch(read_from_chars(['C'], _1455366), _1499240, fail)), '$restore_trace'(_1499264, _1499266))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1499264, _1499266))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1455366), _1499240, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1455366)
   Fail: (205) [system] atomic(_1455366)
   Call: (205) [system] atom_chars(_1455366, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1508640)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1510498)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1518236)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1520940)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1536018)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1541588)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1543446)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1557600)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1541588)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1575242)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1576176)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1580896, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1575242=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq('D', [], _1541588)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1587358, _1587360), once(user:catch(read_from_chars(['D'], _1541588), _1587334, fail)), '$restore_trace'(_1587358, _1587360))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1587358, _1587360))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1541588), _1587334, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1541588)
   Fail: (206) [system] atomic(_1541588)
   Call: (206) [system] atom_chars(_1541588, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1596734)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1598592)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1612746)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _1616536)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _1596734=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1508640=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (202) [system] _1422418=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (201) [system] _1244188=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1630418)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1632276)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1640014)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1642718)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1657796)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'=')'
   Fail: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1663366)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1665224)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (202) [system] 'E'=(;)
   Fail: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Fail: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Fail: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Fail: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
   Fail: (203) [system] char_type('E', cntrl)
^  Fail: (202) [user] is_like_space('E')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1679378)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'E')
   Call: (201) [system] 'E'='('
   Fail: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Fail: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Fail: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Fail: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Fail: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Fail: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Fail: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
   Fail: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1663366)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1697020)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1697954)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1702674, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1697020=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq('E', [], _1663366)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1709136, _1709138), once(user:catch(read_from_chars(['E'], _1663366), _1709112, fail)), '$restore_trace'(_1709136, _1709138))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1709136, _1709138))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1663366), _1709112, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1663366)
   Fail: (203) [system] atomic(_1663366)
   Call: (203) [system] atom_chars(_1663366, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1718512)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1720370)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1734524)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1738314)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1718512=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1630418=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (199) [system] _1211240=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _949360=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1752196)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1754054)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1768208)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _1771998)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _1752196=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _916412=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _798606=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _705902=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1785880)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1787738)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1801892)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _1805682)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _1785880=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _672954=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3484=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3460=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3434=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x558d99e6bec0), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _1822358)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1824216)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ')')
   Call: (189) [system] ')'=(;)
   Fail: (189) [system] ')'=(;)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Fail: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Fail: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Fail: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
   Fail: (190) [system] char_type(')', cntrl)
^  Fail: (189) [user] is_like_space(')')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _1838370)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x558d99e6bec0), _1842160)
   Exit: (188) [system] get_char((0x558d99e6bec0), ')')
   Call: (188) [system] _1822358=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (187) [system] _3430=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x558d99e6bec0), [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x558d99e6bec0), [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x558d99e6bec0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x558d99e6bec0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x558d99e6bec0), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x558d99e6bec0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x558d99e6bec0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (178) [system] once(user:(read_position((0x558d99e6bec0), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568)), read_sexpr((0x558d99e6bec0), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1864398, _1864400, _1864402, _1864404, _1864406))
^  Exit: (178) [user] retract(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _1867234))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _1867234)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), _1867234)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _1870050))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _1870050))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _1870050)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _1872850))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _1872850)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), _1872850)
   Call: (188) [system] var('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] atom('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==true
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==false
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==[_1879370, _1879376]
   Call: (188) [system] is_list('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] string('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Exit: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), _1884004, _1884006)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; Quintenary rule", 83, 0], _1887746)
   Call: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], _1887746, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; Quintenary rule", _1889626)
   Call: (191) [system] var(";; Quintenary rule")
   Call: (191) [system] atom(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"==true
   Call: (191) [system] ";; Quintenary rule"==false
   Call: (191) [system] ";; Quintenary rule"==[_1894268, _1894274]
   Call: (191) [system] is_list(";; Quintenary rule")
   Call: (191) [system] string(";; Quintenary rule")
   Exit: (191) [system] string(";; Quintenary rule")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; Quintenary rule")
^  Call: (191) [user] symbol(";; Quintenary rule")
   Call: (192) [system] atom(";; Quintenary rule")
   Fail: (192) [system] atom(";; Quintenary rule")
^  Fail: (191) [user] symbol(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"=_1889626
   Exit: (191) [system] ";; Quintenary rule"=";; Quintenary rule"
^  Exit: (190) [user] mfix_vars1(";; Quintenary rule", ";; Quintenary rule")
   Call: (190) [apply] apply:maplist_([83, 0], _1889628, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(83, _1908148)
   Call: (192) [system] var(83)
   Call: (192) [system] atom(83)
   Call: (192) [system] 83==true
   Call: (192) [system] 83==false
   Call: (192) [system] 83==[_1912790, _1912796]
   Call: (192) [system] is_list(83)
   Call: (192) [system] string(83)
   Call: (192) [system] compound(83)
^  Call: (192) [user] symbol(83)
   Call: (193) [system] atom(83)
   Fail: (193) [system] atom(83)
^  Fail: (192) [user] symbol(83)
   Call: (192) [system] 83=_1908148
   Exit: (192) [system] 83=83
^  Exit: (191) [user] mfix_vars1(83, 83)
   Call: (191) [apply] apply:maplist_([0], _1908150, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _1923914)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1928556, _1928562]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_1923914
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _1923916, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([83, 0], [83, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0])
   Call: (188) [system] compound_name_arguments(_1872850, '$COMMENT', [";; Quintenary rule", 83, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1952732))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1952732))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1952732)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1955532))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1955532)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), _1955532)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1867234))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1867234))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1867234)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1969490))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1969490)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), _1969490)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (179) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (171) [user] read_sform((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (170) [system] once(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x558d99e6bec0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726258769.0443792), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258769.0443792), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1726258747_317601, 153)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726258769.0443792), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258769.0443792), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726258769.7766218)
   Call: (173) [system] arg(1, t(1726258769.0443792), _3148)
   Exit: (173) [system] arg(1, t(1726258769.0443792), 1726258769.0443792)
   Call: (173) [system] _3158 is 1726258769.7766218-1726258769.0443792
   Exit: (173) [system] 0.7322425842285156 is 1726258769.7766218-1726258769.0443792
   Call: (173) [system] 0.7322425842285156>4
   Fail: (173) [system] 0.7322425842285156>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726258769.0443792), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258769.0443792), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 26)
   Call: (175) [system] atom(26+1)
   Call: (175) [system] set_flag(translated_forms, 27)
   Exit: (175) [system] set_flag(translated_forms, 27)
   Exit: (174) [$syspreds] update_flag(translated_forms, 26, 26+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 26, 26+1))
   Exit: (171) [$syspreds] flag(translated_forms, 26, 26+1)
^  Call: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1726258747_317601, 153)
^  Call: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (172) [user] format((0x558d99f9b220), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1726258747_317601, 153)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726258769.0443792), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726258769.0443792), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 26, 26+1), write_metta_datalog_term((0x558d99f9b220), '$COMMENT'(";; Quintenary rule", 83, 0), ynthesize_long_1726258747_317601, 153)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x558d99e6bec0))
   Fail: (169) [system] at_end_of_stream((0x558d99e6bec0))
^  Call: (169) [user] must_det_ll(line_count((0x558d99e6bec0), _3074))
^  Call: (170) [user] once(user:line_count((0x558d99e6bec0), _3074))
   Call: (171) [system] line_count((0x558d99e6bec0), _3074)
   Exit: (171) [system] line_count((0x558d99e6bec0), 157)
^  Exit: (170) [system] once(user:line_count((0x558d99e6bec0), 157))
^  Exit: (169) [user] must_det_ll(user:line_count((0x558d99e6bec0), 157))
^  Call: (169) [user] must_det_ll(read_sform((0x558d99e6bec0), _3084))
^  Call: (170) [user] once(user:read_sform((0x558d99e6bec0), _3084))
^  Call: (171) [user] read_sform((0x558d99e6bec0), _3084)
   Call: (172) [system] string((0x558d99e6bec0))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (173) [system] string((0x558d99e6bec0))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (174) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (174) [system] peek_char((0x558d99e6bec0), _2045202)
   Exit: (174) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (174) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (175) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (175) [system] peek_char((0x558d99e6bec0), _2052624)
   Exit: (175) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x558d99e6bec0), '\n')
   Exit: (175) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
   Call: (176) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (176) [system] peek_char((0x558d99e6bec0), _2060046)
   Exit: (176) [system] peek_char((0x558d99e6bec0), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
   Call: (177) [system] string((0x558d99e6bec0))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x558d99e6bec0))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x558d99e6bec0), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x558d99e6bec0), _3084)
   Call: (178) [system] at_end_of_stream((0x558d99e6bec0))
   Call: (178) [system] peek_char((0x558d99e6bec0), _2068384)
   Exit: (178) [system] peek_char((0x558d99e6bec0), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _2071170=(0x558d99e6bec0)
   Exit: (178) [system] (0x558d99e6bec0)=(0x558d99e6bec0)
^  Call: (178) [user] once((read_position((0x558d99e6bec0), _2073038, _2073040, _2073042, _2073044), read_sexpr((0x558d99e6bec0), _2073056), assertz(metta_file_comment(_2073038, _2073040, _2073042, _2073056, _2073044))))
^  Call: (180) [user] read_position((0x558d99e6bec0), _2073038, _2073040, _2073042, _2073044)
   Call: (181) [system] stream_property((0x558d99e6bec0), position(_2073044))
   Call: (182) [system] nonvar((0x558d99e6bec0))
   Exit: (182) [system] nonvar((0x558d99e6bec0))
   Call: (182) [system] nonvar(position(_2073044))
   Exit: (182) [system] nonvar(position(_2073044))
   Exit: (181) [system] stream_property((0x558d99e6bec0), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _2073038)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _2083296)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _2073038)
   Exit: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _2073040)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _2090730)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _2073040)
   Exit: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _2073042)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _4710)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _3310)
   Exit: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (180) [user] read_position((0x558d99e6bec0), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
^  Call: (180) [user] read_sexpr((0x558d99e6bec0), _3324)
   Call: (181) [system] string((0x558d99e6bec0))
   Fail: (181) [system] string((0x558d99e6bec0))
^  Call: (181) [user] cont_sexpr(')', (0x558d99e6bec0), _3324)
^  Call: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (183) [system] peek_char((0x558d99e6bec0), _14936)
   Exit: (183) [system] peek_char((0x558d99e6bec0), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_comment((0x558d99e6bec0))
^  Call: (184) [user] read_position((0x558d99e6bec0), _19574, _19576, _19578, _19580)
   Call: (185) [system] stream_property((0x558d99e6bec0), position(_19580))
   Call: (186) [system] nonvar((0x558d99e6bec0))
   Exit: (186) [system] nonvar((0x558d99e6bec0))
   Call: (186) [system] nonvar(position(_19580))
   Exit: (186) [system] nonvar(position(_19580))
   Exit: (185) [system] stream_property((0x558d99e6bec0), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _19574)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _28868)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _19574)
   Exit: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _19576)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _36302)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _19576)
   Exit: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _19578)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _43736)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _19578)
   Exit: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (184) [user] read_position((0x558d99e6bec0), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
^  Call: (184) [user] read_until_eol((0x558d99e6bec0), _49330)
   Call: (185) [system] get_char((0x558d99e6bec0), _50260)
   Exit: (185) [system] get_char((0x558d99e6bec0), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Fail: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
   Fail: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x558d99e6bec0), _55830)
   Call: (186) [system] get_char((0x558d99e6bec0), _56760)
   Exit: (186) [system] get_char((0x558d99e6bec0), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Fail: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
   Fail: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x558d99e6bec0), _62330)
   Call: (187) [system] get_char((0x558d99e6bec0), _63260)
   Exit: (187) [system] get_char((0x558d99e6bec0), ' ')
   Call: (187) [system] char_type(' ', end_of_line)
   Fail: (187) [system] char_type(' ', end_of_line)
   Call: (187) [system] ' '=end_of_file
   Fail: (187) [system] ' '=end_of_file
^  Call: (187) [user] read_until_eol((0x558d99e6bec0), _68830)
   Call: (188) [system] get_char((0x558d99e6bec0), _69760)
   Exit: (188) [system] get_char((0x558d99e6bec0), t)
   Call: (188) [system] char_type(t, end_of_line)
   Fail: (188) [system] char_type(t, end_of_line)
   Call: (188) [system] t=end_of_file
   Fail: (188) [system] t=end_of_file
^  Call: (188) [user] read_until_eol((0x558d99e6bec0), _75330)
   Call: (189) [system] get_char((0x558d99e6bec0), _76260)
   Exit: (189) [system] get_char((0x558d99e6bec0), a)
   Call: (189) [system] char_type(a, end_of_line)
   Fail: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] a=end_of_file
   Fail: (189) [system] a=end_of_file
^  Call: (189) [user] read_until_eol((0x558d99e6bec0), _81830)
   Call: (190) [system] get_char((0x558d99e6bec0), _82760)
   Exit: (190) [system] get_char((0x558d99e6bec0), k)
   Call: (190) [system] char_type(k, end_of_line)
   Fail: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] read_until_eol((0x558d99e6bec0), _88330)
   Call: (191) [system] get_char((0x558d99e6bec0), _89260)
   Exit: (191) [system] get_char((0x558d99e6bec0), e)
   Call: (191) [system] char_type(e, end_of_line)
   Fail: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
   Fail: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x558d99e6bec0), _94830)
   Call: (192) [system] get_char((0x558d99e6bec0), _95760)
   Exit: (192) [system] get_char((0x558d99e6bec0), s)
   Call: (192) [system] char_type(s, end_of_line)
   Fail: (192) [system] char_type(s, end_of_line)
   Call: (192) [system] s=end_of_file
   Fail: (192) [system] s=end_of_file
^  Call: (192) [user] read_until_eol((0x558d99e6bec0), _101330)
   Call: (193) [system] get_char((0x558d99e6bec0), _102260)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Fail: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
   Fail: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x558d99e6bec0), _107830)
   Call: (194) [system] get_char((0x558d99e6bec0), _108760)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] char_type(a, end_of_line)
   Fail: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x558d99e6bec0), _114330)
   Call: (195) [system] get_char((0x558d99e6bec0), _115260)
   Exit: (195) [system] get_char((0x558d99e6bec0), b)
   Call: (195) [system] char_type(b, end_of_line)
   Fail: (195) [system] char_type(b, end_of_line)
   Call: (195) [system] b=end_of_file
   Fail: (195) [system] b=end_of_file
^  Call: (195) [user] read_until_eol((0x558d99e6bec0), _120830)
   Call: (196) [system] get_char((0x558d99e6bec0), _121760)
   Exit: (196) [system] get_char((0x558d99e6bec0), o)
   Call: (196) [system] char_type(o, end_of_line)
   Fail: (196) [system] char_type(o, end_of_line)
   Call: (196) [system] o=end_of_file
   Fail: (196) [system] o=end_of_file
^  Call: (196) [user] read_until_eol((0x558d99e6bec0), _127330)
   Call: (197) [system] get_char((0x558d99e6bec0), _128260)
   Exit: (197) [system] get_char((0x558d99e6bec0), u)
   Call: (197) [system] char_type(u, end_of_line)
   Fail: (197) [system] char_type(u, end_of_line)
   Call: (197) [system] u=end_of_file
   Fail: (197) [system] u=end_of_file
^  Call: (197) [user] read_until_eol((0x558d99e6bec0), _133830)
   Call: (198) [system] get_char((0x558d99e6bec0), _134760)
   Exit: (198) [system] get_char((0x558d99e6bec0), t)
   Call: (198) [system] char_type(t, end_of_line)
   Fail: (198) [system] char_type(t, end_of_line)
   Call: (198) [system] t=end_of_file
   Fail: (198) [system] t=end_of_file
^  Call: (198) [user] read_until_eol((0x558d99e6bec0), _140330)
   Call: (199) [system] get_char((0x558d99e6bec0), _141260)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Fail: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
   Fail: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x558d99e6bec0), _146830)
   Call: (200) [system] get_char((0x558d99e6bec0), _147760)
   Exit: (200) [system] get_char((0x558d99e6bec0), '1')
   Call: (200) [system] char_type('1', end_of_line)
   Fail: (200) [system] char_type('1', end_of_line)
   Call: (200) [system] '1'=end_of_file
   Fail: (200) [system] '1'=end_of_file
^  Call: (200) [user] read_until_eol((0x558d99e6bec0), _153330)
   Call: (201) [system] get_char((0x558d99e6bec0), _154260)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Fail: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
   Fail: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x558d99e6bec0), _159830)
   Call: (202) [system] get_char((0x558d99e6bec0), _160760)
   Exit: (202) [system] get_char((0x558d99e6bec0), m)
   Call: (202) [system] char_type(m, end_of_line)
   Fail: (202) [system] char_type(m, end_of_line)
   Call: (202) [system] m=end_of_file
   Fail: (202) [system] m=end_of_file
^  Call: (202) [user] read_until_eol((0x558d99e6bec0), _166330)
   Call: (203) [system] get_char((0x558d99e6bec0), _167260)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] char_type(i, end_of_line)
   Fail: (203) [system] char_type(i, end_of_line)
   Call: (203) [system] i=end_of_file
   Fail: (203) [system] i=end_of_file
^  Call: (203) [user] read_until_eol((0x558d99e6bec0), _172830)
   Call: (204) [system] get_char((0x558d99e6bec0), _173760)
   Exit: (204) [system] get_char((0x558d99e6bec0), n)
   Call: (204) [system] char_type(n, end_of_line)
   Fail: (204) [system] char_type(n, end_of_line)
   Call: (204) [system] n=end_of_file
   Fail: (204) [system] n=end_of_file
^  Call: (204) [user] read_until_eol((0x558d99e6bec0), _179330)
   Call: (205) [system] get_char((0x558d99e6bec0), _180260)
   Exit: (205) [system] get_char((0x558d99e6bec0), u)
   Call: (205) [system] char_type(u, end_of_line)
   Fail: (205) [system] char_type(u, end_of_line)
   Call: (205) [system] u=end_of_file
   Fail: (205) [system] u=end_of_file
^  Call: (205) [user] read_until_eol((0x558d99e6bec0), _185830)
   Call: (206) [system] get_char((0x558d99e6bec0), _186760)
   Exit: (206) [system] get_char((0x558d99e6bec0), t)
   Call: (206) [system] char_type(t, end_of_line)
   Fail: (206) [system] char_type(t, end_of_line)
   Call: (206) [system] t=end_of_file
   Fail: (206) [system] t=end_of_file
^  Call: (206) [user] read_until_eol((0x558d99e6bec0), _192330)
   Call: (207) [system] get_char((0x558d99e6bec0), _193260)
   Exit: (207) [system] get_char((0x558d99e6bec0), e)
   Call: (207) [system] char_type(e, end_of_line)
   Fail: (207) [system] char_type(e, end_of_line)
   Call: (207) [system] e=end_of_file
   Fail: (207) [system] e=end_of_file
^  Call: (207) [user] read_until_eol((0x558d99e6bec0), _198830)
   Call: (208) [system] get_char((0x558d99e6bec0), _199760)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Fail: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
   Fail: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x558d99e6bec0), _205330)
   Call: (209) [system] get_char((0x558d99e6bec0), _206260)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] char_type(o, end_of_line)
   Fail: (209) [system] char_type(o, end_of_line)
   Call: (209) [system] o=end_of_file
   Fail: (209) [system] o=end_of_file
^  Call: (209) [user] read_until_eol((0x558d99e6bec0), _211830)
   Call: (210) [system] get_char((0x558d99e6bec0), _212760)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] char_type(n, end_of_line)
   Fail: (210) [system] char_type(n, end_of_line)
   Call: (210) [system] n=end_of_file
   Fail: (210) [system] n=end_of_file
^  Call: (210) [user] read_until_eol((0x558d99e6bec0), _218330)
   Call: (211) [system] get_char((0x558d99e6bec0), _219260)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Fail: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
   Fail: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x558d99e6bec0), _224830)
   Call: (212) [system] get_char((0x558d99e6bec0), _225760)
   Exit: (212) [system] get_char((0x558d99e6bec0), r)
   Call: (212) [system] char_type(r, end_of_line)
   Fail: (212) [system] char_type(r, end_of_line)
   Call: (212) [system] r=end_of_file
   Fail: (212) [system] r=end_of_file
^  Call: (212) [user] read_until_eol((0x558d99e6bec0), _231330)
   Call: (213) [system] get_char((0x558d99e6bec0), _232260)
   Exit: (213) [system] get_char((0x558d99e6bec0), u)
   Call: (213) [system] char_type(u, end_of_line)
   Fail: (213) [system] char_type(u, end_of_line)
   Call: (213) [system] u=end_of_file
   Fail: (213) [system] u=end_of_file
^  Call: (213) [user] read_until_eol((0x558d99e6bec0), _237830)
   Call: (214) [system] get_char((0x558d99e6bec0), _238760)
   Exit: (214) [system] get_char((0x558d99e6bec0), s)
   Call: (214) [system] char_type(s, end_of_line)
   Fail: (214) [system] char_type(s, end_of_line)
   Call: (214) [system] s=end_of_file
   Fail: (214) [system] s=end_of_file
^  Call: (214) [user] read_until_eol((0x558d99e6bec0), _244330)
   Call: (215) [system] get_char((0x558d99e6bec0), _245260)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] char_type(t, end_of_line)
   Fail: (215) [system] char_type(t, end_of_line)
   Call: (215) [system] t=end_of_file
   Fail: (215) [system] t=end_of_file
^  Call: (215) [user] read_until_eol((0x558d99e6bec0), _250830)
   Call: (216) [system] get_char((0x558d99e6bec0), _251760)
   Exit: (216) [system] get_char((0x558d99e6bec0), '\n')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
   Call: (216) [system] _250830=""
   Exit: (216) [system] ""=""
^  Exit: (215) [user] read_until_eol((0x558d99e6bec0), "")
   Call: (215) [system] string_concat(t, "", _244330)
   Exit: (215) [system] string_concat(t, "", "t")
^  Exit: (214) [user] read_until_eol((0x558d99e6bec0), "t")
   Call: (214) [system] string_concat(s, "t", _237830)
   Exit: (214) [system] string_concat(s, "t", "st")
^  Exit: (213) [user] read_until_eol((0x558d99e6bec0), "st")
   Call: (213) [system] string_concat(u, "st", _231330)
   Exit: (213) [system] string_concat(u, "st", "ust")
^  Exit: (212) [user] read_until_eol((0x558d99e6bec0), "ust")
   Call: (212) [system] string_concat(r, "ust", _224830)
   Exit: (212) [system] string_concat(r, "ust", "rust")
^  Exit: (211) [user] read_until_eol((0x558d99e6bec0), "rust")
   Call: (211) [system] string_concat(' ', "rust", _218330)
   Exit: (211) [system] string_concat(' ', "rust", " rust")
^  Exit: (210) [user] read_until_eol((0x558d99e6bec0), " rust")
   Call: (210) [system] string_concat(n, " rust", _211830)
   Exit: (210) [system] string_concat(n, " rust", "n rust")
^  Exit: (209) [user] read_until_eol((0x558d99e6bec0), "n rust")
   Call: (209) [system] string_concat(o, "n rust", _205330)
   Exit: (209) [system] string_concat(o, "n rust", "on rust")
^  Exit: (208) [user] read_until_eol((0x558d99e6bec0), "on rust")
   Call: (208) [system] string_concat(' ', "on rust", _198830)
   Exit: (208) [system] string_concat(' ', "on rust", " on rust")
^  Exit: (207) [user] read_until_eol((0x558d99e6bec0), " on rust")
   Call: (207) [system] string_concat(e, " on rust", _192330)
   Exit: (207) [system] string_concat(e, " on rust", "e on rust")
^  Exit: (206) [user] read_until_eol((0x558d99e6bec0), "e on rust")
   Call: (206) [system] string_concat(t, "e on rust", _185830)
   Exit: (206) [system] string_concat(t, "e on rust", "te on rust")
^  Exit: (205) [user] read_until_eol((0x558d99e6bec0), "te on rust")
   Call: (205) [system] string_concat(u, "te on rust", _179330)
   Exit: (205) [system] string_concat(u, "te on rust", "ute on rust")
^  Exit: (204) [user] read_until_eol((0x558d99e6bec0), "ute on rust")
   Call: (204) [system] string_concat(n, "ute on rust", _172830)
   Exit: (204) [system] string_concat(n, "ute on rust", "nute on rust")
^  Exit: (203) [user] read_until_eol((0x558d99e6bec0), "nute on rust")
   Call: (203) [system] string_concat(i, "nute on rust", _166330)
   Exit: (203) [system] string_concat(i, "nute on rust", "inute on rust")
^  Exit: (202) [user] read_until_eol((0x558d99e6bec0), "inute on rust")
   Call: (202) [system] string_concat(m, "inute on rust", _159830)
   Exit: (202) [system] string_concat(m, "inute on rust", "minute on rust")
^  Exit: (201) [user] read_until_eol((0x558d99e6bec0), "minute on rust")
   Call: (201) [system] string_concat(' ', "minute on rust", _153330)
   Exit: (201) [system] string_concat(' ', "minute on rust", " minute on rust")
^  Exit: (200) [user] read_until_eol((0x558d99e6bec0), " minute on rust")
   Call: (200) [system] string_concat('1', " minute on rust", _146830)
   Exit: (200) [system] string_concat('1', " minute on rust", "1 minute on rust")
^  Exit: (199) [user] read_until_eol((0x558d99e6bec0), "1 minute on rust")
   Call: (199) [system] string_concat(' ', "1 minute on rust", _140330)
   Exit: (199) [system] string_concat(' ', "1 minute on rust", " 1 minute on rust")
^  Exit: (198) [user] read_until_eol((0x558d99e6bec0), " 1 minute on rust")
   Call: (198) [system] string_concat(t, " 1 minute on rust", _133830)
   Exit: (198) [system] string_concat(t, " 1 minute on rust", "t 1 minute on rust")
^  Exit: (197) [user] read_until_eol((0x558d99e6bec0), "t 1 minute on rust")
   Call: (197) [system] string_concat(u, "t 1 minute on rust", _127330)
   Exit: (197) [system] string_concat(u, "t 1 minute on rust", "ut 1 minute on rust")
^  Exit: (196) [user] read_until_eol((0x558d99e6bec0), "ut 1 minute on rust")
   Call: (196) [system] string_concat(o, "ut 1 minute on rust", _120830)
   Exit: (196) [system] string_concat(o, "ut 1 minute on rust", "out 1 minute on rust")
^  Exit: (195) [user] read_until_eol((0x558d99e6bec0), "out 1 minute on rust")
   Call: (195) [system] string_concat(b, "out 1 minute on rust", _114330)
   Exit: (195) [system] string_concat(b, "out 1 minute on rust", "bout 1 minute on rust")
^  Exit: (194) [user] read_until_eol((0x558d99e6bec0), "bout 1 minute on rust")
   Call: (194) [system] string_concat(a, "bout 1 minute on rust", _107830)
   Exit: (194) [system] string_concat(a, "bout 1 minute on rust", "about 1 minute on rust")
^  Exit: (193) [user] read_until_eol((0x558d99e6bec0), "about 1 minute on rust")
   Call: (193) [system] string_concat(' ', "about 1 minute on rust", _101330)
   Exit: (193) [system] string_concat(' ', "about 1 minute on rust", " about 1 minute on rust")
^  Exit: (192) [user] read_until_eol((0x558d99e6bec0), " about 1 minute on rust")
   Call: (192) [system] string_concat(s, " about 1 minute on rust", _94830)
   Exit: (192) [system] string_concat(s, " about 1 minute on rust", "s about 1 minute on rust")
^  Exit: (191) [user] read_until_eol((0x558d99e6bec0), "s about 1 minute on rust")
   Call: (191) [system] string_concat(e, "s about 1 minute on rust", _88330)
   Exit: (191) [system] string_concat(e, "s about 1 minute on rust", "es about 1 minute on rust")
^  Exit: (190) [user] read_until_eol((0x558d99e6bec0), "es about 1 minute on rust")
   Call: (190) [system] string_concat(k, "es about 1 minute on rust", _81830)
   Exit: (190) [system] string_concat(k, "es about 1 minute on rust", "kes about 1 minute on rust")
^  Exit: (189) [user] read_until_eol((0x558d99e6bec0), "kes about 1 minute on rust")
   Call: (189) [system] string_concat(a, "kes about 1 minute on rust", _75330)
   Exit: (189) [system] string_concat(a, "kes about 1 minute on rust", "akes about 1 minute on rust")
^  Exit: (188) [user] read_until_eol((0x558d99e6bec0), "akes about 1 minute on rust")
   Call: (188) [system] string_concat(t, "akes about 1 minute on rust", _68830)
   Exit: (188) [system] string_concat(t, "akes about 1 minute on rust", "takes about 1 minute on rust")
^  Exit: (187) [user] read_until_eol((0x558d99e6bec0), "takes about 1 minute on rust")
   Call: (187) [system] string_concat(' ', "takes about 1 minute on rust", _62330)
   Exit: (187) [system] string_concat(' ', "takes about 1 minute on rust", " takes about 1 minute on rust")
^  Exit: (186) [user] read_until_eol((0x558d99e6bec0), " takes about 1 minute on rust")
   Call: (186) [system] string_concat(;, " takes about 1 minute on rust", _55830)
   Exit: (186) [system] string_concat(;, " takes about 1 minute on rust", "; takes about 1 minute on rust")
^  Exit: (185) [user] read_until_eol((0x558d99e6bec0), "; takes about 1 minute on rust")
   Call: (185) [system] string_concat(;, "; takes about 1 minute on rust", _49330)
   Exit: (185) [system] string_concat(;, "; takes about 1 minute on rust", ";; takes about 1 minute on rust")
^  Exit: (184) [user] read_until_eol((0x558d99e6bec0), ";; takes about 1 minute on rust")
^  Call: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (183) [user] read_comment((0x558d99e6bec0))
^  Call: (183) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] peek_char((0x558d99e6bec0), _348834)
   Exit: (184) [system] peek_char((0x558d99e6bec0), !)
   Call: (184) [system] !=(;)
   Fail: (184) [system] !=(;)
^  Call: (184) [user] is_like_space(!)
   Call: (185) [system] char_type(!, 'white')
   Fail: (185) [system] char_type(!, 'white')
   Call: (185) [system] char_type(!, end_of_line)
   Fail: (185) [system] char_type(!, end_of_line)
   Call: (185) [system] char_type(!, space)
   Fail: (185) [system] char_type(!, space)
   Call: (185) [system] char_type(!, cntrl)
   Fail: (185) [system] char_type(!, cntrl)
^  Fail: (184) [user] is_like_space(!)
^  Exit: (183) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (182) [user] skip_spaces((0x558d99e6bec0))
   Call: (182) [system] get_char((0x558d99e6bec0), _363912)
   Exit: (182) [system] get_char((0x558d99e6bec0), !)
   Call: (182) [system] !='('
   Fail: (182) [system] !='('
   Call: (182) [system] !='['
   Fail: (182) [system] !='['
   Call: (182) [system] !='{'
   Fail: (182) [system] !='{'
   Call: (182) [system] !='"'
   Fail: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x558d99e6bec0), _375050)
   Call: (183) [system] string((0x558d99e6bec0))
   Fail: (183) [system] string((0x558d99e6bec0))
^  Call: (183) [user] cont_sexpr(')', (0x558d99e6bec0), _375050)
^  Call: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _379684)
   Exit: (185) [system] peek_char((0x558d99e6bec0), '(')
   Call: (185) [system] '('=(;)
   Fail: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Fail: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Fail: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Fail: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
   Fail: (186) [system] char_type('(', cntrl)
^  Fail: (185) [user] is_like_space('(')
^  Exit: (184) [user] skip_spaces((0x558d99e6bec0))
   Call: (184) [system] get_char((0x558d99e6bec0), _393838)
   Exit: (184) [system] get_char((0x558d99e6bec0), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x558d99e6bec0), _375050)
^  Call: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _399408)
   Exit: (186) [system] peek_char((0x558d99e6bec0), a)
   Call: (186) [system] a=(;)
   Fail: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Fail: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Fail: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Fail: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
   Fail: (187) [system] char_type(a, cntrl)
^  Fail: (186) [user] is_like_space(a)
^  Exit: (185) [user] skip_spaces((0x558d99e6bec0))
   Call: (185) [system] peek_char((0x558d99e6bec0), _413562)
   Exit: (185) [system] peek_char((0x558d99e6bec0), a)
   Call: (185) [system] a=')'
   Fail: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
   Fail: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x558d99e6bec0), _419132)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _420990)
   Exit: (187) [system] peek_char((0x558d99e6bec0), a)
   Call: (187) [system] a=(;)
   Fail: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Fail: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Fail: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Fail: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
   Fail: (188) [system] char_type(a, cntrl)
^  Fail: (187) [user] is_like_space(a)
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] get_char((0x558d99e6bec0), _435144)
   Exit: (186) [system] get_char((0x558d99e6bec0), a)
   Call: (186) [system] a='('
   Fail: (186) [system] a='('
   Call: (186) [system] a='['
   Fail: (186) [system] a='['
   Call: (186) [system] a='{'
   Fail: (186) [system] a='{'
   Call: (186) [system] a='"'
   Fail: (186) [system] a='"'
   Call: (186) [system] a=!
   Fail: (186) [system] a=!
   Call: (186) [system] a='\''
   Fail: (186) [system] a='\''
   Call: (186) [system] a='`'
   Fail: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
   Fail: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, _419132)
^  Call: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), _452786)
   Call: (188) [system] peek_char((0x558d99e6bec0), _453720)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Fail: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_458440, v('(', ')', end_of_file), s)
   Fail: (189) [system] arg(_459372, v('(', ')', end_of_file), s)
^  Fail: (188) [user] is_delimiter(s)
   Call: (188) [system] ')'==s
   Fail: (188) [system] ')'==s
   Call: (188) [system] get_char((0x558d99e6bec0), s)
   Exit: (188) [system] get_char((0x558d99e6bec0), s)
   Call: (188) [system] s=(\)
   Fail: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), _466722)
   Call: (189) [system] peek_char((0x558d99e6bec0), _467656)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_472376, v('(', ')', end_of_file), s)
   Fail: (190) [system] arg(_473308, v('(', ')', end_of_file), s)
^  Fail: (189) [user] is_delimiter(s)
   Call: (189) [system] ')'==s
   Fail: (189) [system] ')'==s
   Call: (189) [system] get_char((0x558d99e6bec0), s)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(\)
   Fail: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), _480658)
   Call: (190) [system] peek_char((0x558d99e6bec0), _481592)
   Exit: (190) [system] peek_char((0x558d99e6bec0), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Fail: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_486312, v('(', ')', end_of_file), e)
   Fail: (191) [system] arg(_487244, v('(', ')', end_of_file), e)
^  Fail: (190) [user] is_delimiter(e)
   Call: (190) [system] ')'==e
   Fail: (190) [system] ')'==e
   Call: (190) [system] get_char((0x558d99e6bec0), e)
   Exit: (190) [system] get_char((0x558d99e6bec0), e)
   Call: (190) [system] e=(\)
   Fail: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494594)
   Call: (191) [system] peek_char((0x558d99e6bec0), _495528)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Fail: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_500248, v('(', ')', end_of_file), r)
   Fail: (192) [system] arg(_501180, v('(', ')', end_of_file), r)
^  Fail: (191) [user] is_delimiter(r)
   Call: (191) [system] ')'==r
   Fail: (191) [system] ')'==r
   Call: (191) [system] get_char((0x558d99e6bec0), r)
   Exit: (191) [system] get_char((0x558d99e6bec0), r)
   Call: (191) [system] r=(\)
   Fail: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _508530)
   Call: (192) [system] peek_char((0x558d99e6bec0), _509464)
   Exit: (192) [system] peek_char((0x558d99e6bec0), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Fail: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_514184, v('(', ')', end_of_file), t)
   Fail: (193) [system] arg(_515116, v('(', ')', end_of_file), t)
^  Fail: (192) [user] is_delimiter(t)
   Call: (192) [system] ')'==t
   Fail: (192) [system] ')'==t
   Call: (192) [system] get_char((0x558d99e6bec0), t)
   Exit: (192) [system] get_char((0x558d99e6bec0), t)
   Call: (192) [system] t=(\)
   Fail: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _522466)
   Call: (193) [system] peek_char((0x558d99e6bec0), _523400)
   Exit: (193) [system] peek_char((0x558d99e6bec0), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Fail: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_528120, v('(', ')', end_of_file), 'E')
   Fail: (194) [system] arg(_529052, v('(', ')', end_of_file), 'E')
^  Fail: (193) [user] is_delimiter('E')
   Call: (193) [system] ')'=='E'
   Fail: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x558d99e6bec0), 'E')
   Exit: (193) [system] get_char((0x558d99e6bec0), 'E')
   Call: (193) [system] 'E'=(\)
   Fail: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _536402)
   Call: (194) [system] peek_char((0x558d99e6bec0), _537336)
   Exit: (194) [system] peek_char((0x558d99e6bec0), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Fail: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_542056, v('(', ')', end_of_file), q)
   Fail: (195) [system] arg(_542988, v('(', ')', end_of_file), q)
^  Fail: (194) [user] is_delimiter(q)
   Call: (194) [system] ')'==q
   Fail: (194) [system] ')'==q
   Call: (194) [system] get_char((0x558d99e6bec0), q)
   Exit: (194) [system] get_char((0x558d99e6bec0), q)
   Call: (194) [system] q=(\)
   Fail: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _550338)
   Call: (195) [system] peek_char((0x558d99e6bec0), _551272)
   Exit: (195) [system] peek_char((0x558d99e6bec0), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Fail: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_555992, v('(', ')', end_of_file), u)
   Fail: (196) [system] arg(_556924, v('(', ')', end_of_file), u)
^  Fail: (195) [user] is_delimiter(u)
   Call: (195) [system] ')'==u
   Fail: (195) [system] ')'==u
   Call: (195) [system] get_char((0x558d99e6bec0), u)
   Exit: (195) [system] get_char((0x558d99e6bec0), u)
   Call: (195) [system] u=(\)
   Fail: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _564274)
   Call: (196) [system] peek_char((0x558d99e6bec0), _565208)
   Exit: (196) [system] peek_char((0x558d99e6bec0), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Fail: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_569928, v('(', ')', end_of_file), a)
   Fail: (197) [system] arg(_570860, v('(', ')', end_of_file), a)
^  Fail: (196) [user] is_delimiter(a)
   Call: (196) [system] ')'==a
   Fail: (196) [system] ')'==a
   Call: (196) [system] get_char((0x558d99e6bec0), a)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] a=(\)
   Fail: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _578210)
   Call: (197) [system] peek_char((0x558d99e6bec0), _579144)
   Exit: (197) [system] peek_char((0x558d99e6bec0), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Fail: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_583864, v('(', ')', end_of_file), l)
   Fail: (198) [system] arg(_584796, v('(', ')', end_of_file), l)
^  Fail: (197) [user] is_delimiter(l)
   Call: (197) [system] ')'==l
   Fail: (197) [system] ')'==l
   Call: (197) [system] get_char((0x558d99e6bec0), l)
   Exit: (197) [system] get_char((0x558d99e6bec0), l)
   Call: (197) [system] l=(\)
   Fail: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _592146)
   Call: (198) [system] peek_char((0x558d99e6bec0), _593080)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Fail: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_597800, v('(', ')', end_of_file), 'T')
   Fail: (199) [system] arg(_598732, v('(', ')', end_of_file), 'T')
^  Fail: (198) [user] is_delimiter('T')
   Call: (198) [system] ')'=='T'
   Fail: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x558d99e6bec0), 'T')
   Exit: (198) [system] get_char((0x558d99e6bec0), 'T')
   Call: (198) [system] 'T'=(\)
   Fail: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _606082)
   Call: (199) [system] peek_char((0x558d99e6bec0), _607016)
   Exit: (199) [system] peek_char((0x558d99e6bec0), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Fail: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_611736, v('(', ')', end_of_file), o)
   Fail: (200) [system] arg(_612668, v('(', ')', end_of_file), o)
^  Fail: (199) [user] is_delimiter(o)
   Call: (199) [system] ')'==o
   Fail: (199) [system] ')'==o
   Call: (199) [system] get_char((0x558d99e6bec0), o)
   Exit: (199) [system] get_char((0x558d99e6bec0), o)
   Call: (199) [system] o=(\)
   Fail: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _620018)
   Call: (200) [system] peek_char((0x558d99e6bec0), _620952)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Fail: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_625672, v('(', ')', end_of_file), 'R')
   Fail: (201) [system] arg(_626604, v('(', ')', end_of_file), 'R')
^  Fail: (200) [user] is_delimiter('R')
   Call: (200) [system] ')'=='R'
   Fail: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x558d99e6bec0), 'R')
   Exit: (200) [system] get_char((0x558d99e6bec0), 'R')
   Call: (200) [system] 'R'=(\)
   Fail: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _633954)
   Call: (201) [system] peek_char((0x558d99e6bec0), _634888)
   Exit: (201) [system] peek_char((0x558d99e6bec0), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Fail: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_639608, v('(', ')', end_of_file), e)
   Fail: (202) [system] arg(_640540, v('(', ')', end_of_file), e)
^  Fail: (201) [user] is_delimiter(e)
   Call: (201) [system] ')'==e
   Fail: (201) [system] ')'==e
   Call: (201) [system] get_char((0x558d99e6bec0), e)
   Exit: (201) [system] get_char((0x558d99e6bec0), e)
   Call: (201) [system] e=(\)
   Fail: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _647890)
   Call: (202) [system] peek_char((0x558d99e6bec0), _648824)
   Exit: (202) [system] peek_char((0x558d99e6bec0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_653544, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_654476, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x558d99e6bec0), s)
   Exit: (202) [system] get_char((0x558d99e6bec0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _661826)
   Call: (203) [system] peek_char((0x558d99e6bec0), _662760)
   Exit: (203) [system] peek_char((0x558d99e6bec0), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Fail: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_667480, v('(', ')', end_of_file), u)
   Fail: (204) [system] arg(_668412, v('(', ')', end_of_file), u)
^  Fail: (203) [user] is_delimiter(u)
   Call: (203) [system] ')'==u
   Fail: (203) [system] ')'==u
   Call: (203) [system] get_char((0x558d99e6bec0), u)
   Exit: (203) [system] get_char((0x558d99e6bec0), u)
   Call: (203) [system] u=(\)
   Fail: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _675762)
   Call: (204) [system] peek_char((0x558d99e6bec0), _676696)
   Exit: (204) [system] peek_char((0x558d99e6bec0), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Fail: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_681416, v('(', ')', end_of_file), l)
   Fail: (205) [system] arg(_682348, v('(', ')', end_of_file), l)
^  Fail: (204) [user] is_delimiter(l)
   Call: (204) [system] ')'==l
   Fail: (204) [system] ')'==l
   Call: (204) [system] get_char((0x558d99e6bec0), l)
   Exit: (204) [system] get_char((0x558d99e6bec0), l)
   Call: (204) [system] l=(\)
   Fail: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _689698)
   Call: (205) [system] peek_char((0x558d99e6bec0), _690632)
   Exit: (205) [system] peek_char((0x558d99e6bec0), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Fail: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_695352, v('(', ')', end_of_file), t)
   Fail: (206) [system] arg(_696284, v('(', ')', end_of_file), t)
^  Fail: (205) [user] is_delimiter(t)
   Call: (205) [system] ')'==t
   Fail: (205) [system] ')'==t
   Call: (205) [system] get_char((0x558d99e6bec0), t)
   Exit: (205) [system] get_char((0x558d99e6bec0), t)
   Call: (205) [system] t=(\)
   Fail: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _703634)
   Call: (206) [system] peek_char((0x558d99e6bec0), _704568)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _703634=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _689698=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t])
   Call: (204) [system] _675762=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, t])
   Call: (203) [system] _661826=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, l, t])
   Call: (202) [system] _647890=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, u, l, t])
   Call: (201) [system] _633954=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, u, l, t])
   Call: (200) [system] _620018=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['R', e, s, u, l, t])
   Call: (199) [system] _606082=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _592146=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _578210=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _564274=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _550338=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _536402=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _522466=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _508530=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _494594=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _480658=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _466722=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _452786=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _419132)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_764170, _764172), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _419132), _764146, fail)), '$restore_trace'(_764170, _764172))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_764170, _764172))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _764146, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x558d99e6bec0), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x558d99e6bec0), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x558d99e6bec0), _771670)
^  Call: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _773528)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (187) [system] '\n'=(;)
   Fail: (187) [system] '\n'=(;)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Fail: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x558d99e6bec0), _783122)
   Exit: (187) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _785826)
   Exit: (188) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (188) [system] ' '=(;)
   Fail: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x558d99e6bec0), _793564)
   Exit: (188) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _796268)
   Exit: (189) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (189) [system] ' '=(;)
   Fail: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x558d99e6bec0), _804006)
   Exit: (189) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _806710)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (186) [user] skip_spaces((0x558d99e6bec0))
   Call: (186) [system] peek_char((0x558d99e6bec0), _823636)
   Exit: (186) [system] peek_char((0x558d99e6bec0), '(')
   Call: (186) [system] '('=')'
   Fail: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
   Fail: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x558d99e6bec0), _829206)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _831064)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('=(;)
   Fail: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Fail: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Fail: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Fail: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
   Fail: (189) [system] char_type('(', cntrl)
^  Fail: (188) [user] is_like_space('(')
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] get_char((0x558d99e6bec0), _845218)
   Exit: (187) [system] get_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x558d99e6bec0), _829206)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _850788)
   Exit: (189) [system] peek_char((0x558d99e6bec0), s)
   Call: (189) [system] s=(;)
   Fail: (189) [system] s=(;)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Fail: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Fail: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Fail: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
   Fail: (190) [system] char_type(s, cntrl)
^  Fail: (189) [user] is_like_space(s)
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _864942)
   Exit: (188) [system] peek_char((0x558d99e6bec0), s)
   Call: (188) [system] s=')'
   Fail: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
   Fail: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x558d99e6bec0), _870512)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _872370)
   Exit: (190) [system] peek_char((0x558d99e6bec0), s)
   Call: (190) [system] s=(;)
   Fail: (190) [system] s=(;)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Fail: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Fail: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Fail: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
   Fail: (191) [system] char_type(s, cntrl)
^  Fail: (190) [user] is_like_space(s)
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] get_char((0x558d99e6bec0), _886524)
   Exit: (189) [system] get_char((0x558d99e6bec0), s)
   Call: (189) [system] s='('
   Fail: (189) [system] s='('
   Call: (189) [system] s='['
   Fail: (189) [system] s='['
   Call: (189) [system] s='{'
   Fail: (189) [system] s='{'
   Call: (189) [system] s='"'
   Fail: (189) [system] s='"'
   Call: (189) [system] s=!
   Fail: (189) [system] s=!
   Call: (189) [system] s='\''
   Fail: (189) [system] s='\''
   Call: (189) [system] s='`'
   Fail: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
   Fail: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x558d99e6bec0), s, _870512)
^  Call: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), _904166)
   Call: (191) [system] peek_char((0x558d99e6bec0), _905100)
   Exit: (191) [system] peek_char((0x558d99e6bec0), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Fail: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_909820, v('(', ')', end_of_file), y)
   Fail: (192) [system] arg(_910752, v('(', ')', end_of_file), y)
^  Fail: (191) [user] is_delimiter(y)
   Call: (191) [system] ')'==y
   Fail: (191) [system] ')'==y
   Call: (191) [system] get_char((0x558d99e6bec0), y)
   Exit: (191) [system] get_char((0x558d99e6bec0), y)
   Call: (191) [system] y=(\)
   Fail: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), _918102)
   Call: (192) [system] peek_char((0x558d99e6bec0), _919036)
   Exit: (192) [system] peek_char((0x558d99e6bec0), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Fail: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_923756, v('(', ')', end_of_file), n)
   Fail: (193) [system] arg(_924688, v('(', ')', end_of_file), n)
^  Fail: (192) [user] is_delimiter(n)
   Call: (192) [system] ')'==n
   Fail: (192) [system] ')'==n
   Call: (192) [system] get_char((0x558d99e6bec0), n)
   Exit: (192) [system] get_char((0x558d99e6bec0), n)
   Call: (192) [system] n=(\)
   Fail: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _932038)
   Call: (193) [system] peek_char((0x558d99e6bec0), _932972)
   Exit: (193) [system] peek_char((0x558d99e6bec0), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Fail: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_937692, v('(', ')', end_of_file), t)
   Fail: (194) [system] arg(_938624, v('(', ')', end_of_file), t)
^  Fail: (193) [user] is_delimiter(t)
   Call: (193) [system] ')'==t
   Fail: (193) [system] ')'==t
   Call: (193) [system] get_char((0x558d99e6bec0), t)
   Exit: (193) [system] get_char((0x558d99e6bec0), t)
   Call: (193) [system] t=(\)
   Fail: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945974)
   Call: (194) [system] peek_char((0x558d99e6bec0), _946908)
   Exit: (194) [system] peek_char((0x558d99e6bec0), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Fail: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_951628, v('(', ')', end_of_file), h)
   Fail: (195) [system] arg(_952560, v('(', ')', end_of_file), h)
^  Fail: (194) [user] is_delimiter(h)
   Call: (194) [system] ')'==h
   Fail: (194) [system] ')'==h
   Call: (194) [system] get_char((0x558d99e6bec0), h)
   Exit: (194) [system] get_char((0x558d99e6bec0), h)
   Call: (194) [system] h=(\)
   Fail: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _959910)
   Call: (195) [system] peek_char((0x558d99e6bec0), _960844)
   Exit: (195) [system] peek_char((0x558d99e6bec0), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Fail: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_965564, v('(', ')', end_of_file), e)
   Fail: (196) [system] arg(_966496, v('(', ')', end_of_file), e)
^  Fail: (195) [user] is_delimiter(e)
   Call: (195) [system] ')'==e
   Fail: (195) [system] ')'==e
   Call: (195) [system] get_char((0x558d99e6bec0), e)
   Exit: (195) [system] get_char((0x558d99e6bec0), e)
   Call: (195) [system] e=(\)
   Fail: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _973846)
   Call: (196) [system] peek_char((0x558d99e6bec0), _974780)
   Exit: (196) [system] peek_char((0x558d99e6bec0), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Fail: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_979500, v('(', ')', end_of_file), s)
   Fail: (197) [system] arg(_980432, v('(', ')', end_of_file), s)
^  Fail: (196) [user] is_delimiter(s)
   Call: (196) [system] ')'==s
   Fail: (196) [system] ')'==s
   Call: (196) [system] get_char((0x558d99e6bec0), s)
   Exit: (196) [system] get_char((0x558d99e6bec0), s)
   Call: (196) [system] s=(\)
   Fail: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _987782)
   Call: (197) [system] peek_char((0x558d99e6bec0), _988716)
   Exit: (197) [system] peek_char((0x558d99e6bec0), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Fail: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_993436, v('(', ')', end_of_file), i)
   Fail: (198) [system] arg(_994368, v('(', ')', end_of_file), i)
^  Fail: (197) [user] is_delimiter(i)
   Call: (197) [system] ')'==i
   Fail: (197) [system] ')'==i
   Call: (197) [system] get_char((0x558d99e6bec0), i)
   Exit: (197) [system] get_char((0x558d99e6bec0), i)
   Call: (197) [system] i=(\)
   Fail: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1001718)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1002652)
   Exit: (198) [system] peek_char((0x558d99e6bec0), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Fail: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1007372, v('(', ')', end_of_file), z)
   Fail: (199) [system] arg(_1008304, v('(', ')', end_of_file), z)
^  Fail: (198) [user] is_delimiter(z)
   Call: (198) [system] ')'==z
   Fail: (198) [system] ')'==z
   Call: (198) [system] get_char((0x558d99e6bec0), z)
   Exit: (198) [system] get_char((0x558d99e6bec0), z)
   Call: (198) [system] z=(\)
   Fail: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1015654)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1016588)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1021308, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1022240, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1029590)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1030524)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1029590=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1015654=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _1001718=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [z, e])
   Call: (197) [system] _987782=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, z, e])
   Call: (196) [system] _973846=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, i, z, e])
   Call: (195) [system] _959910=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, s, i, z, e])
   Call: (194) [system] _945974=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [h, e, s, i, z, e])
   Call: (193) [system] _932038=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, h, e, s, i, z, e])
   Call: (192) [system] _918102=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _904166=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _870512)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1064980, _1064982), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _870512), _1064956, fail)), '$restore_trace'(_1064980, _1064982))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1064980, _1064982))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1064956, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(synthesize)
   Exit: (191) [system] atomic(synthesize)
^  Exit: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x558d99e6bec0), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x558d99e6bec0), synthesize)
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _1072480)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1074338)
   Exit: (190) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (190) [system] ' '=(;)
   Fail: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x558d99e6bec0), _1082076)
   Exit: (190) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1084780)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _1099858)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _1105428)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1107286)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _1121440)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1105428)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1127010)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1141164)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1146734)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1148592)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1162746)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _1146734)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1180388)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1181322)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1180388=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _1146734)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1190632, _1190634), once(user:catch(read_from_chars([:], _1146734), _1190608, fail)), '$restore_trace'(_1190632, _1190634))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1190632, _1190634))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1190608, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1198132)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1199990)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1207728)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1210432)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1225510)
   Exit: (192) [system] peek_char((0x558d99e6bec0), $)
   Call: (192) [system] ($)=')'
   Fail: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
   Fail: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1231080)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1232938)
   Exit: (194) [system] peek_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)=(;)
   Fail: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Fail: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Fail: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Fail: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
   Fail: (195) [system] char_type($, cntrl)
^  Fail: (194) [user] is_like_space($)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1247092)
   Exit: (193) [system] get_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)='('
   Fail: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Fail: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Fail: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Fail: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Fail: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Fail: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Fail: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _1231080)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1264734)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1265668)
   Exit: (195) [system] peek_char((0x558d99e6bec0), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Fail: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1270388, v('(', ')', end_of_file), t)
   Fail: (196) [system] arg(_1271320, v('(', ')', end_of_file), t)
^  Fail: (195) [user] is_delimiter(t)
   Call: (195) [system] ')'==t
   Fail: (195) [system] ')'==t
   Call: (195) [system] get_char((0x558d99e6bec0), t)
   Exit: (195) [system] get_char((0x558d99e6bec0), t)
   Call: (195) [system] t=(\)
   Fail: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1278670)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1279604)
   Exit: (196) [system] peek_char((0x558d99e6bec0), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Fail: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1284324, v('(', ')', end_of_file), e)
   Fail: (197) [system] arg(_1285256, v('(', ')', end_of_file), e)
^  Fail: (196) [user] is_delimiter(e)
   Call: (196) [system] ')'==e
   Fail: (196) [system] ')'==e
   Call: (196) [system] get_char((0x558d99e6bec0), e)
   Exit: (196) [system] get_char((0x558d99e6bec0), e)
   Call: (196) [system] e=(\)
   Fail: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1292606)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1293540)
   Exit: (197) [system] peek_char((0x558d99e6bec0), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Fail: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1298260, v('(', ')', end_of_file), r)
   Fail: (198) [system] arg(_1299192, v('(', ')', end_of_file), r)
^  Fail: (197) [user] is_delimiter(r)
   Call: (197) [system] ')'==r
   Fail: (197) [system] ')'==r
   Call: (197) [system] get_char((0x558d99e6bec0), r)
   Exit: (197) [system] get_char((0x558d99e6bec0), r)
   Call: (197) [system] r=(\)
   Fail: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1306542)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1307476)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1312196, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_1313128, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1320478)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1321412)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1320478=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1306542=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m])
   Call: (197) [system] _1292606=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, m])
   Call: (196) [system] _1278670=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e, r, m])
   Call: (195) [system] _1264734=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _1231080)
   Call: (195) [system] atom_chars(_1341872, ['_', t, e, r, m])
   Exit: (195) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _term)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1346536)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1348394)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1356132)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1358836)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1373914)
   Exit: (193) [system] peek_char((0x558d99e6bec0), $)
   Call: (193) [system] ($)=')'
   Fail: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
   Fail: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1379484)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1381342)
   Exit: (195) [system] peek_char((0x558d99e6bec0), $)
   Call: (195) [system] ($)=(;)
   Fail: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Fail: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Fail: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Fail: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
   Fail: (196) [system] char_type($, cntrl)
^  Fail: (195) [user] is_like_space($)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1395496)
   Exit: (194) [system] get_char((0x558d99e6bec0), $)
   Call: (194) [system] ($)='('
   Fail: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Fail: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Fail: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Fail: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Fail: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Fail: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Fail: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
   Fail: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _1379484)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1413138)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1414072)
   Exit: (196) [system] peek_char((0x558d99e6bec0), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Fail: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1418792, v('(', ')', end_of_file), t)
   Fail: (197) [system] arg(_1419724, v('(', ')', end_of_file), t)
^  Fail: (196) [user] is_delimiter(t)
   Call: (196) [system] ')'==t
   Fail: (196) [system] ')'==t
   Call: (196) [system] get_char((0x558d99e6bec0), t)
   Exit: (196) [system] get_char((0x558d99e6bec0), t)
   Call: (196) [system] t=(\)
   Fail: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1427074)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1428008)
   Exit: (197) [system] peek_char((0x558d99e6bec0), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Fail: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_1432728, v('(', ')', end_of_file), y)
   Fail: (198) [system] arg(_1433660, v('(', ')', end_of_file), y)
^  Fail: (197) [user] is_delimiter(y)
   Call: (197) [system] ')'==y
   Fail: (197) [system] ')'==y
   Call: (197) [system] get_char((0x558d99e6bec0), y)
   Exit: (197) [system] get_char((0x558d99e6bec0), y)
   Call: (197) [system] y=(\)
   Fail: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1441010)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1441944)
   Exit: (198) [system] peek_char((0x558d99e6bec0), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Fail: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1446664, v('(', ')', end_of_file), p)
   Fail: (199) [system] arg(_1447596, v('(', ')', end_of_file), p)
^  Fail: (198) [user] is_delimiter(p)
   Call: (198) [system] ')'==p
   Fail: (198) [system] ')'==p
   Call: (198) [system] get_char((0x558d99e6bec0), p)
   Exit: (198) [system] get_char((0x558d99e6bec0), p)
   Call: (198) [system] p=(\)
   Fail: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1454946)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1455880)
   Exit: (199) [system] peek_char((0x558d99e6bec0), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Fail: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1460600, v('(', ')', end_of_file), e)
   Fail: (200) [system] arg(_1461532, v('(', ')', end_of_file), e)
^  Fail: (199) [user] is_delimiter(e)
   Call: (199) [system] ')'==e
   Fail: (199) [system] ')'==e
   Call: (199) [system] get_char((0x558d99e6bec0), e)
   Exit: (199) [system] get_char((0x558d99e6bec0), e)
   Call: (199) [system] e=(\)
   Fail: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1468882)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1469816)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1474536, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1468882=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (199) [system] _1454946=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (198) [system] _1441010=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, e])
   Call: (197) [system] _1427074=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [y, p, e])
   Call: (196) [system] _1413138=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _1379484)
   Call: (196) [system] atom_chars(_1492148, ['_', t, y, p, e])
   Exit: (196) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _type)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1496812)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1498670)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1512824)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1516614)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1496812=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1346536=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [_type])
   Call: (192) [system] _1198132=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [_term, _type])
   Call: (191) [system] _1105428=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1530496)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1532354)
   Exit: (191) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (191) [system] ' '=(;)
   Fail: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x558d99e6bec0), _1540092)
   Exit: (191) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1542796)
   Exit: (192) [system] peek_char((0x558d99e6bec0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1557874)
   Exit: (190) [system] peek_char((0x558d99e6bec0), k)
   Call: (190) [system] k=')'
   Fail: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
   Fail: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1563444)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1565302)
   Exit: (192) [system] peek_char((0x558d99e6bec0), k)
   Call: (192) [system] k=(;)
   Fail: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Fail: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Fail: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Fail: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
   Fail: (193) [system] char_type(k, cntrl)
^  Fail: (192) [user] is_like_space(k)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1579456)
   Exit: (191) [system] get_char((0x558d99e6bec0), k)
   Call: (191) [system] k='('
   Fail: (191) [system] k='('
   Call: (191) [system] k='['
   Fail: (191) [system] k='['
   Call: (191) [system] k='{'
   Fail: (191) [system] k='{'
   Call: (191) [system] k='"'
   Fail: (191) [system] k='"'
   Call: (191) [system] k=!
   Fail: (191) [system] k=!
   Call: (191) [system] k='\''
   Fail: (191) [system] k='\''
   Call: (191) [system] k='`'
   Fail: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
   Fail: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x558d99e6bec0), k, _1563444)
^  Call: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1597098)
   Call: (193) [system] peek_char((0x558d99e6bec0), _1598032)
   Exit: (193) [system] peek_char((0x558d99e6bec0), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Fail: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_1602752, v('(', ')', end_of_file), b)
   Fail: (194) [system] arg(_1603684, v('(', ')', end_of_file), b)
^  Fail: (193) [user] is_delimiter(b)
   Call: (193) [system] ')'==b
   Fail: (193) [system] ')'==b
   Call: (193) [system] get_char((0x558d99e6bec0), b)
   Exit: (193) [system] get_char((0x558d99e6bec0), b)
   Call: (193) [system] b=(\)
   Fail: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1611034)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1611968)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1611034=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (193) [system] _1597098=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (192) [user] classify_and_convert_charseq(k, [b], _1563444)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1624072, _1624074), once(user:catch(read_from_chars([k, b], _1563444), _1624048, fail)), '$restore_trace'(_1624072, _1624074))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1624072, _1624074))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1624048, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(kb)
   Exit: (193) [system] atomic(kb)
^  Exit: (192) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x558d99e6bec0), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), kb)
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1631572)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1633430)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1641168)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1643872)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1658950)
   Exit: (191) [system] peek_char((0x558d99e6bec0), r)
   Call: (191) [system] r=')'
   Fail: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
   Fail: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1664520)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1666378)
   Exit: (193) [system] peek_char((0x558d99e6bec0), r)
   Call: (193) [system] r=(;)
   Fail: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Fail: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Fail: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Fail: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
   Fail: (194) [system] char_type(r, cntrl)
^  Fail: (193) [user] is_like_space(r)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1680532)
   Exit: (192) [system] get_char((0x558d99e6bec0), r)
   Call: (192) [system] r='('
   Fail: (192) [system] r='('
   Call: (192) [system] r='['
   Fail: (192) [system] r='['
   Call: (192) [system] r='{'
   Fail: (192) [system] r='{'
   Call: (192) [system] r='"'
   Fail: (192) [system] r='"'
   Call: (192) [system] r=!
   Fail: (192) [system] r=!
   Call: (192) [system] r='\''
   Fail: (192) [system] r='\''
   Call: (192) [system] r='`'
   Fail: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
   Fail: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), r, _1664520)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1698174)
   Call: (194) [system] peek_char((0x558d99e6bec0), _1699108)
   Exit: (194) [system] peek_char((0x558d99e6bec0), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Fail: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_1703828, v('(', ')', end_of_file), b)
   Fail: (195) [system] arg(_1704760, v('(', ')', end_of_file), b)
^  Fail: (194) [user] is_delimiter(b)
   Call: (194) [system] ')'==b
   Fail: (194) [system] ')'==b
   Call: (194) [system] get_char((0x558d99e6bec0), b)
   Exit: (194) [system] get_char((0x558d99e6bec0), b)
   Call: (194) [system] b=(\)
   Fail: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1712110)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1713044)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1712110=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1698174=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b])
^  Call: (193) [user] classify_and_convert_charseq(r, [b], _1664520)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1725148, _1725150), once(user:catch(read_from_chars([r, b], _1664520), _1725124, fail)), '$restore_trace'(_1725148, _1725150))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1725148, _1725150))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1725124, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(rb)
   Exit: (194) [system] atomic(rb)
^  Exit: (193) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), rb)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1732648)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1734506)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1742244)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1744948)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1760026)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1765596)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1767454)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1781608)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1765596)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1787178)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (195) [system] 'S'=(;)
   Fail: (195) [system] 'S'=(;)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Fail: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Fail: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Fail: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
   Fail: (196) [system] char_type('S', cntrl)
^  Fail: (195) [user] is_like_space('S')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1801332)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (194) [system] 'S'=')'
   Fail: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
   Fail: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1806902)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1808760)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (196) [system] 'S'=(;)
   Fail: (196) [system] 'S'=(;)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Fail: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Fail: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Fail: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
   Fail: (197) [system] char_type('S', cntrl)
^  Fail: (196) [user] is_like_space('S')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1822914)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'S')
   Call: (195) [system] 'S'='('
   Fail: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Fail: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Fail: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Fail: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Fail: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Fail: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Fail: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
   Fail: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _1806902)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1840556)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1841490)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1840556=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('S', [], _1806902)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1850800, _1850802), once(user:catch(read_from_chars(['S'], _1806902), _1850776, fail)), '$restore_trace'(_1850800, _1850802))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1850800, _1850802))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1806902), _1850776, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1806902)
   Fail: (197) [system] atomic(_1806902)
   Call: (197) [system] atom_chars(_1806902, ['S'])
   Exit: (197) [system] atom_chars('S', ['S'])
^  Exit: (196) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1860176)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1862034)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1869772)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1872476)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1887554)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1893124)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1894982)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1909136)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1893124)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1914706)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (198) [system] 'S'=(;)
   Fail: (198) [system] 'S'=(;)
^  Call: (198) [user] is_like_space('S')
   Call: (199) [system] char_type('S', 'white')
   Fail: (199) [system] char_type('S', 'white')
   Call: (199) [system] char_type('S', end_of_line)
   Fail: (199) [system] char_type('S', end_of_line)
   Call: (199) [system] char_type('S', space)
   Fail: (199) [system] char_type('S', space)
   Call: (199) [system] char_type('S', cntrl)
   Fail: (199) [system] char_type('S', cntrl)
^  Fail: (198) [user] is_like_space('S')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1928860)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (197) [system] 'S'=')'
   Fail: (197) [system] 'S'=')'
   Call: (197) [system] 'S'=end_of_file
   Fail: (197) [system] 'S'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1934430)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1936288)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'S')
   Call: (199) [system] 'S'=(;)
   Fail: (199) [system] 'S'=(;)
^  Call: (199) [user] is_like_space('S')
   Call: (200) [system] char_type('S', 'white')
   Fail: (200) [system] char_type('S', 'white')
   Call: (200) [system] char_type('S', end_of_line)
   Fail: (200) [system] char_type('S', end_of_line)
   Call: (200) [system] char_type('S', space)
   Fail: (200) [system] char_type('S', space)
   Call: (200) [system] char_type('S', cntrl)
   Fail: (200) [system] char_type('S', cntrl)
^  Fail: (199) [user] is_like_space('S')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1950442)
   Exit: (198) [system] get_char((0x558d99e6bec0), 'S')
   Call: (198) [system] 'S'='('
   Fail: (198) [system] 'S'='('
   Call: (198) [system] 'S'='['
   Fail: (198) [system] 'S'='['
   Call: (198) [system] 'S'='{'
   Fail: (198) [system] 'S'='{'
   Call: (198) [system] 'S'='"'
   Fail: (198) [system] 'S'='"'
   Call: (198) [system] 'S'=!
   Fail: (198) [system] 'S'=!
   Call: (198) [system] 'S'='\''
   Fail: (198) [system] 'S'='\''
   Call: (198) [system] 'S'='`'
   Fail: (198) [system] 'S'='`'
   Call: (198) [system] 'S'=end_of_file
   Fail: (198) [system] 'S'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'S', _1934430)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1968084)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1969018)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1968084=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq('S', [], _1934430)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1978328, _1978330), once(user:catch(read_from_chars(['S'], _1934430), _1978304, fail)), '$restore_trace'(_1978328, _1978330))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1978328, _1978330))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1934430), _1978304, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1934430)
   Fail: (200) [system] atomic(_1934430)
   Call: (200) [system] atom_chars(_1934430, ['S'])
   Exit: (200) [system] atom_chars('S', ['S'])
^  Exit: (199) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'S', 'S')
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), 'S')
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1987704)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1989562)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1997300)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2000004)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (200) [system] 'Z'=(;)
   Fail: (200) [system] 'Z'=(;)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Fail: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Fail: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Fail: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
   Fail: (201) [system] char_type('Z', cntrl)
^  Fail: (200) [user] is_like_space('Z')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _2015082)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (198) [system] 'Z'=')'
   Fail: (198) [system] 'Z'=')'
   Call: (198) [system] 'Z'=end_of_file
   Fail: (198) [system] 'Z'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _2020652)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2022510)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'Z')
   Call: (200) [system] 'Z'=(;)
   Fail: (200) [system] 'Z'=(;)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Fail: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Fail: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Fail: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
   Fail: (201) [system] char_type('Z', cntrl)
^  Fail: (200) [user] is_like_space('Z')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _2036664)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'Z')
   Call: (199) [system] 'Z'='('
   Fail: (199) [system] 'Z'='('
   Call: (199) [system] 'Z'='['
   Fail: (199) [system] 'Z'='['
   Call: (199) [system] 'Z'='{'
   Fail: (199) [system] 'Z'='{'
   Call: (199) [system] 'Z'='"'
   Fail: (199) [system] 'Z'='"'
   Call: (199) [system] 'Z'=!
   Fail: (199) [system] 'Z'=!
   Call: (199) [system] 'Z'='\''
   Fail: (199) [system] 'Z'='\''
   Call: (199) [system] 'Z'='`'
   Fail: (199) [system] 'Z'='`'
   Call: (199) [system] 'Z'=end_of_file
   Fail: (199) [system] 'Z'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', _2020652)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2054306)
   Call: (201) [system] peek_char((0x558d99e6bec0), _2055240)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_2059960, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _2054306=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (200) [user] classify_and_convert_charseq('Z', [], _2020652)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_2066422, _2066424), once(user:catch(read_from_chars(['Z'], _2020652), _2066398, fail)), '$restore_trace'(_2066422, _2066424))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_2066422, _2066424))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _2020652), _2066398, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_2020652)
   Fail: (201) [system] atomic(_2020652)
   Call: (201) [system] atom_chars(_2020652, ['Z'])
   Exit: (201) [system] atom_chars('Z', ['Z'])
^  Exit: (200) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'Z', 'Z')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'Z')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _2075798)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _2077656)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _2091810)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _2095600)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _3454=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _3448=['Z']
   Exit: (198) [system] ['Z']=['Z']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['Z'])
   Call: (197) [system] _3440=['S', 'Z']
   Exit: (197) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), ['S', 'Z'])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', 'Z'])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _13364)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _15222)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _29376)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _33166)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _13364=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _3436=[['S', 'Z']]
   Exit: (195) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [['S', 'Z']])
   Call: (194) [system] _3428=['S', ['S', 'Z']]
   Exit: (194) [system] ['S', ['S', 'Z']]=['S', ['S', 'Z']]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['S', ['S', 'Z']])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), ['S', ['S', 'Z']])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _44254)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _46112)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=(;)
   Fail: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Fail: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Fail: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Fail: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
   Fail: (195) [system] char_type(')', cntrl)
^  Fail: (194) [user] is_like_space(')')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _60266)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x558d99e6bec0), _64056)
   Exit: (193) [system] get_char((0x558d99e6bec0), ')')
   Call: (193) [system] _44254=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (192) [system] _3424=[['S', ['S', 'Z']]]
   Exit: (192) [system] [['S', ['S', 'Z']]]=[['S', ['S', 'Z']]]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [['S', ['S', 'Z']]])
   Call: (191) [system] _3418=[rb, ['S', ['S', 'Z']]]
   Exit: (191) [system] [rb, ['S', ['S', 'Z']]]=[rb, ['S', ['S', 'Z']]]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [rb, ['S', ['S', 'Z']]])
   Call: (190) [system] _3412=[kb, rb, ['S', ['S', 'Z']]]
   Exit: (190) [system] [kb, rb, ['S', ['S', 'Z']]]=[kb, rb, ['S', ['S', 'Z']]]
^  Exit: (189) [user] read_list(')', (0x558d99e6bec0), [kb, rb, ['S', ['S', 'Z']]])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (188) [user] read_list(')', (0x558d99e6bec0), [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (187) [user] read_list(')', (0x558d99e6bec0), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Exit: (186) [user] cont_sexpr(')', (0x558d99e6bec0), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Call: (186) [user] read_list(')', (0x558d99e6bec0), _83526)
^  Call: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] peek_char((0x558d99e6bec0), _85384)
   Exit: (188) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (188) [system] '\n'=(;)
   Fail: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Fail: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x558d99e6bec0), _94978)
   Exit: (188) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _97682)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (187) [user] skip_spaces((0x558d99e6bec0))
   Call: (187) [system] peek_char((0x558d99e6bec0), _112760)
   Exit: (187) [system] peek_char((0x558d99e6bec0), '(')
   Call: (187) [system] '('=')'
   Fail: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
   Fail: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x558d99e6bec0), _118330)
^  Call: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _120188)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=(;)
   Fail: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Fail: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Fail: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Fail: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
   Fail: (190) [system] char_type('(', cntrl)
^  Fail: (189) [user] is_like_space('(')
^  Exit: (188) [user] skip_spaces((0x558d99e6bec0))
   Call: (188) [system] get_char((0x558d99e6bec0), _134342)
   Exit: (188) [system] get_char((0x558d99e6bec0), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x558d99e6bec0), _118330)
^  Call: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _139912)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=(;)
   Fail: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Fail: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Fail: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Fail: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
   Fail: (191) [system] char_type('(', cntrl)
^  Fail: (190) [user] is_like_space('(')
^  Exit: (189) [user] skip_spaces((0x558d99e6bec0))
   Call: (189) [system] peek_char((0x558d99e6bec0), _154066)
   Exit: (189) [system] peek_char((0x558d99e6bec0), '(')
   Call: (189) [system] '('=')'
   Fail: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
   Fail: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x558d99e6bec0), _159636)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _161494)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=(;)
   Fail: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Fail: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Fail: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Fail: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
   Fail: (192) [system] char_type('(', cntrl)
^  Fail: (191) [user] is_like_space('(')
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] get_char((0x558d99e6bec0), _175648)
   Exit: (190) [system] get_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _159636)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _181218)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=(;)
   Fail: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Fail: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Fail: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Fail: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
   Fail: (193) [system] char_type(:, cntrl)
^  Fail: (192) [user] is_like_space(:)
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _195372)
   Exit: (191) [system] peek_char((0x558d99e6bec0), :)
   Call: (191) [system] (:)=')'
   Fail: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
   Fail: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _200942)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _202800)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _216954)
   Exit: (192) [system] get_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)='('
   Fail: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Fail: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Fail: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Fail: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Fail: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Fail: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Fail: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, _200942)
^  Call: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), _234596)
   Call: (194) [system] peek_char((0x558d99e6bec0), _235530)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _234596=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _200942)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_244840, _244842), once(user:catch(read_from_chars([:], _200942), _244816, fail)), '$restore_trace'(_244840, _244842))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_244840, _244842))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _244816, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _252340)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _254198)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _261936)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _264640)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _279718)
   Exit: (192) [system] peek_char((0x558d99e6bec0), a)
   Call: (192) [system] a=')'
   Fail: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
   Fail: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _285288)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _287146)
   Exit: (194) [system] peek_char((0x558d99e6bec0), a)
   Call: (194) [system] a=(;)
   Fail: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Fail: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Fail: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Fail: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
   Fail: (195) [system] char_type(a, cntrl)
^  Fail: (194) [user] is_like_space(a)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _301300)
   Exit: (193) [system] get_char((0x558d99e6bec0), a)
   Call: (193) [system] a='('
   Fail: (193) [system] a='('
   Call: (193) [system] a='['
   Fail: (193) [system] a='['
   Call: (193) [system] a='{'
   Fail: (193) [system] a='{'
   Call: (193) [system] a='"'
   Fail: (193) [system] a='"'
   Call: (193) [system] a=!
   Fail: (193) [system] a=!
   Call: (193) [system] a='\''
   Fail: (193) [system] a='\''
   Call: (193) [system] a='`'
   Fail: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, _285288)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _318942)
   Call: (195) [system] peek_char((0x558d99e6bec0), _319876)
   Exit: (195) [system] peek_char((0x558d99e6bec0), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Fail: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_324596, v('(', ')', end_of_file), b)
   Fail: (196) [system] arg(_325528, v('(', ')', end_of_file), b)
^  Fail: (195) [user] is_delimiter(b)
   Call: (195) [system] ')'==b
   Fail: (195) [system] ')'==b
   Call: (195) [system] get_char((0x558d99e6bec0), b)
   Exit: (195) [system] get_char((0x558d99e6bec0), b)
   Call: (195) [system] b=(\)
   Fail: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _332878)
   Call: (196) [system] peek_char((0x558d99e6bec0), _333812)
   Exit: (196) [system] peek_char((0x558d99e6bec0), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_338532, v('(', ')', end_of_file), c)
   Fail: (197) [system] arg(_339464, v('(', ')', end_of_file), c)
^  Fail: (196) [user] is_delimiter(c)
   Call: (196) [system] ')'==c
   Fail: (196) [system] ')'==c
   Call: (196) [system] get_char((0x558d99e6bec0), c)
   Exit: (196) [system] get_char((0x558d99e6bec0), c)
   Call: (196) [system] c=(\)
   Fail: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _346814)
   Call: (197) [system] peek_char((0x558d99e6bec0), _347748)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _346814=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (196) [system] _332878=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (195) [system] _318942=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (194) [user] classify_and_convert_charseq(a, [b, c], _285288)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_362646, _362648), once(user:catch(read_from_chars([a, b, c], _285288), _362622, fail)), '$restore_trace'(_362646, _362648))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_362646, _362648))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _362622, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(abc)
   Exit: (195) [system] atomic(abc)
^  Exit: (194) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _370146)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _372004)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _379742)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _382446)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _397524)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _403094)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _404952)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _419106)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _403094)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _424676)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'=(;)
   Fail: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Fail: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Fail: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Fail: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
   Fail: (197) [system] char_type('I', cntrl)
^  Fail: (196) [user] is_like_space('I')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _438830)
   Exit: (195) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (195) [system] 'I'=')'
   Fail: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
   Fail: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _444400)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _446258)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=(;)
   Fail: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Fail: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Fail: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Fail: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
   Fail: (198) [system] char_type('I', cntrl)
^  Fail: (197) [user] is_like_space('I')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _460412)
   Exit: (196) [system] get_char((0x558d99e6bec0), 'I')
   Call: (196) [system] 'I'='('
   Fail: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Fail: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Fail: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Fail: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Fail: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Fail: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Fail: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
   Fail: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _444400)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _478054)
   Call: (198) [system] peek_char((0x558d99e6bec0), _478988)
   Exit: (198) [system] peek_char((0x558d99e6bec0), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Fail: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_483708, v('(', ')', end_of_file), m)
   Fail: (199) [system] arg(_484640, v('(', ')', end_of_file), m)
^  Fail: (198) [user] is_delimiter(m)
   Call: (198) [system] ')'==m
   Fail: (198) [system] ')'==m
   Call: (198) [system] get_char((0x558d99e6bec0), m)
   Exit: (198) [system] get_char((0x558d99e6bec0), m)
   Call: (198) [system] m=(\)
   Fail: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _491990)
   Call: (199) [system] peek_char((0x558d99e6bec0), _492924)
   Exit: (199) [system] peek_char((0x558d99e6bec0), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Fail: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_497644, v('(', ')', end_of_file), p)
   Fail: (200) [system] arg(_498576, v('(', ')', end_of_file), p)
^  Fail: (199) [user] is_delimiter(p)
   Call: (199) [system] ')'==p
   Fail: (199) [system] ')'==p
   Call: (199) [system] get_char((0x558d99e6bec0), p)
   Exit: (199) [system] get_char((0x558d99e6bec0), p)
   Call: (199) [system] p=(\)
   Fail: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _505926)
   Call: (200) [system] peek_char((0x558d99e6bec0), _506860)
   Exit: (200) [system] peek_char((0x558d99e6bec0), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Fail: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_511580, v('(', ')', end_of_file), l)
   Fail: (201) [system] arg(_512512, v('(', ')', end_of_file), l)
^  Fail: (200) [user] is_delimiter(l)
   Call: (200) [system] ')'==l
   Fail: (200) [system] ')'==l
   Call: (200) [system] get_char((0x558d99e6bec0), l)
   Exit: (200) [system] get_char((0x558d99e6bec0), l)
   Call: (200) [system] l=(\)
   Fail: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _519862)
   Call: (201) [system] peek_char((0x558d99e6bec0), _520796)
   Exit: (201) [system] peek_char((0x558d99e6bec0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_525516, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_526448, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x558d99e6bec0), i)
   Exit: (201) [system] get_char((0x558d99e6bec0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _533798)
   Call: (202) [system] peek_char((0x558d99e6bec0), _534732)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Fail: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_539452, v('(', ')', end_of_file), c)
   Fail: (203) [system] arg(_540384, v('(', ')', end_of_file), c)
^  Fail: (202) [user] is_delimiter(c)
   Call: (202) [system] ')'==c
   Fail: (202) [system] ')'==c
   Call: (202) [system] get_char((0x558d99e6bec0), c)
   Exit: (202) [system] get_char((0x558d99e6bec0), c)
   Call: (202) [system] c=(\)
   Fail: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _547734)
   Call: (203) [system] peek_char((0x558d99e6bec0), _548668)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_553388, v('(', ')', end_of_file), a)
   Fail: (204) [system] arg(_554320, v('(', ')', end_of_file), a)
^  Fail: (203) [user] is_delimiter(a)
   Call: (203) [system] ')'==a
   Fail: (203) [system] ')'==a
   Call: (203) [system] get_char((0x558d99e6bec0), a)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(\)
   Fail: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _561670)
   Call: (204) [system] peek_char((0x558d99e6bec0), _562604)
   Exit: (204) [system] peek_char((0x558d99e6bec0), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Fail: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_567324, v('(', ')', end_of_file), t)
   Fail: (205) [system] arg(_568256, v('(', ')', end_of_file), t)
^  Fail: (204) [user] is_delimiter(t)
   Call: (204) [system] ')'==t
   Fail: (204) [system] ')'==t
   Call: (204) [system] get_char((0x558d99e6bec0), t)
   Exit: (204) [system] get_char((0x558d99e6bec0), t)
   Call: (204) [system] t=(\)
   Fail: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _575606)
   Call: (205) [system] peek_char((0x558d99e6bec0), _576540)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_581260, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_582192, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _589542)
   Call: (206) [system] peek_char((0x558d99e6bec0), _590476)
   Exit: (206) [system] peek_char((0x558d99e6bec0), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Fail: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_595196, v('(', ')', end_of_file), o)
   Fail: (207) [system] arg(_596128, v('(', ')', end_of_file), o)
^  Fail: (206) [user] is_delimiter(o)
   Call: (206) [system] ')'==o
   Fail: (206) [system] ')'==o
   Call: (206) [system] get_char((0x558d99e6bec0), o)
   Exit: (206) [system] get_char((0x558d99e6bec0), o)
   Call: (206) [system] o=(\)
   Fail: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _603478)
   Call: (207) [system] peek_char((0x558d99e6bec0), _604412)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_609132, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_610064, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _617414)
   Call: (208) [system] peek_char((0x558d99e6bec0), _618348)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _617414=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _603478=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (206) [system] _589542=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (205) [system] _575606=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (204) [system] _561670=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (203) [system] _547734=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (202) [system] _533798=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (201) [system] _519862=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (200) [system] _505926=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _491990=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _478054=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _444400)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_655598, _655600), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _444400), _655574, fail)), '$restore_trace'(_655598, _655600))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_655598, _655600))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _444400), _655574, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_444400)
   Fail: (198) [system] atomic(_444400)
   Call: (198) [system] atom_chars(_444400, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (198) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _664974)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _666832)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _674570)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _677274)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _692352)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _697922)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _699780)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _713934)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _697922)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _719504)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=(;)
   Fail: (199) [system] 'A'=(;)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Fail: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Fail: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Fail: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
   Fail: (200) [system] char_type('A', cntrl)
^  Fail: (199) [user] is_like_space('A')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _733658)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (198) [system] 'A'=')'
   Fail: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
   Fail: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _739228)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _741086)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'=(;)
   Fail: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Fail: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Fail: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Fail: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
   Fail: (201) [system] char_type('A', cntrl)
^  Fail: (200) [user] is_like_space('A')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _755240)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'='('
   Fail: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Fail: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Fail: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Fail: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Fail: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Fail: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Fail: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _739228)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _772882)
   Call: (201) [system] peek_char((0x558d99e6bec0), _773816)
   Exit: (201) [system] peek_char((0x558d99e6bec0), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Fail: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_778536, v('(', ')', end_of_file), n)
   Fail: (202) [system] arg(_779468, v('(', ')', end_of_file), n)
^  Fail: (201) [user] is_delimiter(n)
   Call: (201) [system] ')'==n
   Fail: (201) [system] ')'==n
   Call: (201) [system] get_char((0x558d99e6bec0), n)
   Exit: (201) [system] get_char((0x558d99e6bec0), n)
   Call: (201) [system] n=(\)
   Fail: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _786818)
   Call: (202) [system] peek_char((0x558d99e6bec0), _787752)
   Exit: (202) [system] peek_char((0x558d99e6bec0), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Fail: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_792472, v('(', ')', end_of_file), d)
   Fail: (203) [system] arg(_793404, v('(', ')', end_of_file), d)
^  Fail: (202) [user] is_delimiter(d)
   Call: (202) [system] ')'==d
   Fail: (202) [system] ')'==d
   Call: (202) [system] get_char((0x558d99e6bec0), d)
   Exit: (202) [system] get_char((0x558d99e6bec0), d)
   Call: (202) [system] d=(\)
   Fail: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _800754)
   Call: (203) [system] peek_char((0x558d99e6bec0), _801688)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_806408, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_807340, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (203) [system] get_char((0x558d99e6bec0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _814690)
   Call: (204) [system] peek_char((0x558d99e6bec0), _815624)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_820344, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_821276, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _828626)
   Call: (205) [system] peek_char((0x558d99e6bec0), _829560)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_834280, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_835212, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _842562)
   Call: (206) [system] peek_char((0x558d99e6bec0), _843496)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_848216, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_849148, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _856498)
   Call: (207) [system] peek_char((0x558d99e6bec0), _857432)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _856498=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _842562=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (205) [system] _828626=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (204) [system] _814690=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (203) [system] _800754=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (202) [system] _786818=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (201) [system] _772882=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _739228)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_883506, _883508), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _739228), _883482, fail)), '$restore_trace'(_883506, _883508))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_883506, _883508))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _739228), _883482, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_739228)
   Fail: (201) [system] atomic(_739228)
   Call: (201) [system] atom_chars(_739228, ['A', n, d, 'L', i, n, k])
   Exit: (201) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _892882)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _894740)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _902478)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _905182)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _920260)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (199) [system] 'A'=')'
   Fail: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
   Fail: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _925830)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _927688)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (201) [system] 'A'=(;)
   Fail: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Fail: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Fail: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Fail: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
   Fail: (202) [system] char_type('A', cntrl)
^  Fail: (201) [user] is_like_space('A')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _941842)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'A')
   Call: (200) [system] 'A'='('
   Fail: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Fail: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Fail: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Fail: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Fail: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Fail: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Fail: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
   Fail: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _925830)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _959484)
   Call: (202) [system] peek_char((0x558d99e6bec0), _960418)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _959484=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq('A', [], _925830)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_969728, _969730), once(user:catch(read_from_chars(['A'], _925830), _969704, fail)), '$restore_trace'(_969728, _969730))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_969728, _969730))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _925830), _969704, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_925830)
   Fail: (202) [system] atomic(_925830)
   Call: (202) [system] atom_chars(_925830, ['A'])
   Exit: (202) [system] atom_chars('A', ['A'])
^  Exit: (201) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _979104)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _980962)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _988700)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _991404)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1006482)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (200) [system] 'B'=')'
   Fail: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
   Fail: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1012052)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1013910)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=(;)
   Fail: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Fail: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Fail: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Fail: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
   Fail: (203) [system] char_type('B', cntrl)
^  Fail: (202) [user] is_like_space('B')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1028064)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'B')
   Call: (201) [system] 'B'='('
   Fail: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Fail: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Fail: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Fail: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Fail: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Fail: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Fail: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
   Fail: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1012052)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1045706)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1046640)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1051360, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1045706=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq('B', [], _1012052)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1057822, _1057824), once(user:catch(read_from_chars(['B'], _1012052), _1057798, fail)), '$restore_trace'(_1057822, _1057824))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1057822, _1057824))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1012052), _1057798, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1012052)
   Fail: (203) [system] atomic(_1012052)
   Call: (203) [system] atom_chars(_1012052, ['B'])
   Exit: (203) [system] atom_chars('B', ['B'])
^  Exit: (202) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1067198)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1069056)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1083210)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1087000)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1067198=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _979104=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (199) [system] _892882=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (198) [system] _697922=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1100882)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1102740)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1110478)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1113182)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1128260)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (197) [system] 'C'=')'
   Fail: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
   Fail: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1133830)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1135688)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (199) [system] 'C'=(;)
   Fail: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Fail: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Fail: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Fail: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
   Fail: (200) [system] char_type('C', cntrl)
^  Fail: (199) [user] is_like_space('C')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1149842)
   Exit: (198) [system] get_char((0x558d99e6bec0), 'C')
   Call: (198) [system] 'C'='('
   Fail: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Fail: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Fail: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Fail: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Fail: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Fail: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Fail: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
   Fail: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1133830)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1167484)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1168418)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1173138, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1167484=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq('C', [], _1133830)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1179600, _1179602), once(user:catch(read_from_chars(['C'], _1133830), _1179576, fail)), '$restore_trace'(_1179600, _1179602))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1179600, _1179602))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1133830), _1179576, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1133830)
   Fail: (200) [system] atomic(_1133830)
   Call: (200) [system] atom_chars(_1133830, ['C'])
   Exit: (200) [system] atom_chars('C', ['C'])
^  Exit: (199) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1188976)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1190834)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1204988)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1208778)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1188976=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _1100882=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (196) [system] _664974=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _403094=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1222660)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1224518)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=(;)
   Fail: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Fail: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Fail: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Fail: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
   Fail: (196) [system] char_type(')', cntrl)
^  Fail: (195) [user] is_like_space(')')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1238672)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x558d99e6bec0), _1242462)
   Exit: (194) [system] get_char((0x558d99e6bec0), ')')
   Call: (194) [system] _1222660=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (193) [system] _370146=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _252340=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _159636=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x558d99e6bec0), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x558d99e6bec0), _1256344)
^  Call: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1258202)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (191) [system] '\n'=(;)
   Fail: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Fail: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x558d99e6bec0), _1267796)
   Exit: (191) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1270500)
   Exit: (192) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (192) [system] ' '=(;)
   Fail: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x558d99e6bec0), _1278238)
   Exit: (192) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1280942)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (190) [user] skip_spaces((0x558d99e6bec0))
   Call: (190) [system] peek_char((0x558d99e6bec0), _1296944)
   Exit: (190) [system] peek_char((0x558d99e6bec0), '(')
   Call: (190) [system] '('=')'
   Fail: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
   Fail: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x558d99e6bec0), _1302514)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1304372)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=(;)
   Fail: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Fail: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Fail: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Fail: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
   Fail: (193) [system] char_type('(', cntrl)
^  Fail: (192) [user] is_like_space('(')
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] get_char((0x558d99e6bec0), _1318526)
   Exit: (191) [system] get_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _1302514)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1324096)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=(;)
   Fail: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Fail: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Fail: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Fail: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
   Fail: (194) [system] char_type(:, cntrl)
^  Fail: (193) [user] is_like_space(:)
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1338250)
   Exit: (192) [system] peek_char((0x558d99e6bec0), :)
   Call: (192) [system] (:)=')'
   Fail: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
   Fail: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _1343820)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1345678)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _1359832)
   Exit: (193) [system] get_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)='('
   Fail: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Fail: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Fail: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Fail: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Fail: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Fail: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Fail: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, _1343820)
^  Call: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377474)
   Call: (195) [system] peek_char((0x558d99e6bec0), _1378408)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1377474=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1343820)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1387718, _1387720), once(user:catch(read_from_chars([:], _1343820), _1387694, fail)), '$restore_trace'(_1387718, _1387720))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1387718, _1387720))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1387694, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1395218)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1397076)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _1404814)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1407518)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1422596)
   Exit: (193) [system] peek_char((0x558d99e6bec0), a)
   Call: (193) [system] a=')'
   Fail: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
   Fail: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1428166)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1430024)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=(;)
   Fail: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Fail: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Fail: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Fail: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
   Fail: (196) [system] char_type(a, cntrl)
^  Fail: (195) [user] is_like_space(a)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1444178)
   Exit: (194) [system] get_char((0x558d99e6bec0), a)
   Call: (194) [system] a='('
   Fail: (194) [system] a='('
   Call: (194) [system] a='['
   Fail: (194) [system] a='['
   Call: (194) [system] a='{'
   Fail: (194) [system] a='{'
   Call: (194) [system] a='"'
   Fail: (194) [system] a='"'
   Call: (194) [system] a=!
   Fail: (194) [system] a=!
   Call: (194) [system] a='\''
   Fail: (194) [system] a='\''
   Call: (194) [system] a='`'
   Fail: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
   Fail: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), a, _1428166)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1461820)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1462754)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1461820=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(a, [], _1428166)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1472064, _1472066), once(user:catch(read_from_chars([a], _1428166), _1472040, fail)), '$restore_trace'(_1472064, _1472066))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1472064, _1472066))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1472040, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1479564)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1481422)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1489160)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1491864)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1506942)
   Exit: (194) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (194) [system] 'B'=')'
   Fail: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
   Fail: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1512512)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1514370)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (196) [system] 'B'=(;)
   Fail: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Fail: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Fail: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Fail: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
   Fail: (197) [system] char_type('B', cntrl)
^  Fail: (196) [user] is_like_space('B')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1528524)
   Exit: (195) [system] get_char((0x558d99e6bec0), 'B')
   Call: (195) [system] 'B'='('
   Fail: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Fail: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Fail: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Fail: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Fail: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Fail: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Fail: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
   Fail: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1512512)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1546166)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1547100)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1551820, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1546166=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq('B', [], _1512512)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1558282, _1558284), once(user:catch(read_from_chars(['B'], _1512512), _1558258, fail)), '$restore_trace'(_1558282, _1558284))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1558282, _1558284))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1512512), _1558258, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1512512)
   Fail: (197) [system] atomic(_1512512)
   Call: (197) [system] atom_chars(_1512512, ['B'])
   Exit: (197) [system] atom_chars('B', ['B'])
^  Exit: (196) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1567658)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1569516)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=(;)
   Fail: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Fail: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Fail: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Fail: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
   Fail: (197) [system] char_type(')', cntrl)
^  Fail: (196) [user] is_like_space(')')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1583670)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x558d99e6bec0), _1587460)
   Exit: (195) [system] get_char((0x558d99e6bec0), ')')
   Call: (195) [system] _1567658=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (194) [system] _1479564=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (193) [system] _1395218=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [a, 'B'])
   Call: (192) [system] _1302514=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x558d99e6bec0), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x558d99e6bec0), _1601342)
^  Call: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _1603200)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (192) [system] '\n'=(;)
   Fail: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Fail: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x558d99e6bec0), _1612794)
   Exit: (192) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1615498)
   Exit: (193) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (193) [system] ' '=(;)
   Fail: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x558d99e6bec0), _1623236)
   Exit: (193) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1625940)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (191) [user] skip_spaces((0x558d99e6bec0))
   Call: (191) [system] peek_char((0x558d99e6bec0), _1641942)
   Exit: (191) [system] peek_char((0x558d99e6bec0), '(')
   Call: (191) [system] '('=')'
   Fail: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
   Fail: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x558d99e6bec0), _1647512)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1649370)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=(;)
   Fail: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Fail: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Fail: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Fail: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
   Fail: (194) [system] char_type('(', cntrl)
^  Fail: (193) [user] is_like_space('(')
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] get_char((0x558d99e6bec0), _1663524)
   Exit: (192) [system] get_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _1647512)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1669094)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=(;)
   Fail: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Fail: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Fail: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Fail: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
   Fail: (195) [system] char_type(:, cntrl)
^  Fail: (194) [user] is_like_space(:)
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1683248)
   Exit: (193) [system] peek_char((0x558d99e6bec0), :)
   Call: (193) [system] (:)=')'
   Fail: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
   Fail: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1688818)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1690676)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1704830)
   Exit: (194) [system] get_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)='('
   Fail: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Fail: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Fail: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Fail: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Fail: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Fail: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Fail: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, _1688818)
^  Call: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1722472)
   Call: (196) [system] peek_char((0x558d99e6bec0), _1723406)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1722472=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _1688818)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1732716, _1732718), once(user:catch(read_from_chars([:], _1688818), _1732692, fail)), '$restore_trace'(_1732716, _1732718))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1732716, _1732718))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1732692, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1740216)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1742074)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1749812)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1752516)
   Exit: (196) [system] peek_char((0x558d99e6bec0), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1767594)
   Exit: (194) [system] peek_char((0x558d99e6bec0), c)
   Call: (194) [system] c=')'
   Fail: (194) [system] c=')'
   Call: (194) [system] c=end_of_file
   Fail: (194) [system] c=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1773164)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1775022)
   Exit: (196) [system] peek_char((0x558d99e6bec0), c)
   Call: (196) [system] c=(;)
   Fail: (196) [system] c=(;)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Fail: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Fail: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Fail: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
   Fail: (197) [system] char_type(c, cntrl)
^  Fail: (196) [user] is_like_space(c)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1789176)
   Exit: (195) [system] get_char((0x558d99e6bec0), c)
   Call: (195) [system] c='('
   Fail: (195) [system] c='('
   Call: (195) [system] c='['
   Fail: (195) [system] c='['
   Call: (195) [system] c='{'
   Fail: (195) [system] c='{'
   Call: (195) [system] c='"'
   Fail: (195) [system] c='"'
   Call: (195) [system] c=!
   Fail: (195) [system] c=!
   Call: (195) [system] c='\''
   Fail: (195) [system] c='\''
   Call: (195) [system] c='`'
   Fail: (195) [system] c='`'
   Call: (195) [system] c=end_of_file
   Fail: (195) [system] c=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), c, _1773164)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1806818)
   Call: (197) [system] peek_char((0x558d99e6bec0), _1807752)
   Exit: (197) [system] peek_char((0x558d99e6bec0), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Fail: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1812472, v('(', ')', end_of_file), d)
   Fail: (198) [system] arg(_1813404, v('(', ')', end_of_file), d)
^  Fail: (197) [user] is_delimiter(d)
   Call: (197) [system] ')'==d
   Fail: (197) [system] ')'==d
   Call: (197) [system] get_char((0x558d99e6bec0), d)
   Exit: (197) [system] get_char((0x558d99e6bec0), d)
   Call: (197) [system] d=(\)
   Fail: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1820754)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1821688)
   Exit: (198) [system] peek_char((0x558d99e6bec0), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Fail: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1826408, v('(', ')', end_of_file), e)
   Fail: (199) [system] arg(_1827340, v('(', ')', end_of_file), e)
^  Fail: (198) [user] is_delimiter(e)
   Call: (198) [system] ')'==e
   Fail: (198) [system] ')'==e
   Call: (198) [system] get_char((0x558d99e6bec0), e)
   Exit: (198) [system] get_char((0x558d99e6bec0), e)
   Call: (198) [system] e=(\)
   Fail: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1834690)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1835624)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1834690=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (198) [system] _1820754=[e]
   Exit: (198) [system] [e]=[e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (197) [system] _1806818=[d, e]
   Exit: (197) [system] [d, e]=[d, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (196) [user] classify_and_convert_charseq(c, [d, e], _1773164)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1850522, _1850524), once(user:catch(read_from_chars([c, d, e], _1773164), _1850498, fail)), '$restore_trace'(_1850522, _1850524))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1850522, _1850524))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1850498, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(cde)
   Exit: (197) [system] atomic(cde)
^  Exit: (196) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1858022)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1859880)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1867618)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1870322)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1885400)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1890970)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1892828)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1906982)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1890970)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1912552)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'=(;)
   Fail: (198) [system] 'I'=(;)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Fail: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Fail: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Fail: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
   Fail: (199) [system] char_type('I', cntrl)
^  Fail: (198) [user] is_like_space('I')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1926706)
   Exit: (197) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (197) [system] 'I'=')'
   Fail: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
   Fail: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1932276)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1934134)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (199) [system] 'I'=(;)
   Fail: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Fail: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Fail: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Fail: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
   Fail: (200) [system] char_type('I', cntrl)
^  Fail: (199) [user] is_like_space('I')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1948288)
   Exit: (198) [system] get_char((0x558d99e6bec0), 'I')
   Call: (198) [system] 'I'='('
   Fail: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Fail: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Fail: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Fail: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Fail: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Fail: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Fail: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
   Fail: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1932276)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1965930)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1966864)
   Exit: (200) [system] peek_char((0x558d99e6bec0), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Fail: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_1971584, v('(', ')', end_of_file), m)
   Fail: (201) [system] arg(_1972516, v('(', ')', end_of_file), m)
^  Fail: (200) [user] is_delimiter(m)
   Call: (200) [system] ')'==m
   Fail: (200) [system] ')'==m
   Call: (200) [system] get_char((0x558d99e6bec0), m)
   Exit: (200) [system] get_char((0x558d99e6bec0), m)
   Call: (200) [system] m=(\)
   Fail: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1979866)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1980800)
   Exit: (201) [system] peek_char((0x558d99e6bec0), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Fail: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1985520, v('(', ')', end_of_file), p)
   Fail: (202) [system] arg(_1986452, v('(', ')', end_of_file), p)
^  Fail: (201) [user] is_delimiter(p)
   Call: (201) [system] ')'==p
   Fail: (201) [system] ')'==p
   Call: (201) [system] get_char((0x558d99e6bec0), p)
   Exit: (201) [system] get_char((0x558d99e6bec0), p)
   Call: (201) [system] p=(\)
   Fail: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1993802)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1994736)
   Exit: (202) [system] peek_char((0x558d99e6bec0), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Fail: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1999456, v('(', ')', end_of_file), l)
   Fail: (203) [system] arg(_2000388, v('(', ')', end_of_file), l)
^  Fail: (202) [user] is_delimiter(l)
   Call: (202) [system] ')'==l
   Fail: (202) [system] ')'==l
   Call: (202) [system] get_char((0x558d99e6bec0), l)
   Exit: (202) [system] get_char((0x558d99e6bec0), l)
   Call: (202) [system] l=(\)
   Fail: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2007738)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2008672)
   Exit: (203) [system] peek_char((0x558d99e6bec0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_2013392, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_2014324, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x558d99e6bec0), i)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2021674)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2022608)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_2027328, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_2028260, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2035610)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2036544)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_2041264, v('(', ')', end_of_file), a)
   Fail: (206) [system] arg(_2042196, v('(', ')', end_of_file), a)
^  Fail: (205) [user] is_delimiter(a)
   Call: (205) [system] ')'==a
   Fail: (205) [system] ')'==a
   Call: (205) [system] get_char((0x558d99e6bec0), a)
   Exit: (205) [system] get_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(\)
   Fail: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2049546)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2050480)
   Exit: (206) [system] peek_char((0x558d99e6bec0), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Fail: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_2055200, v('(', ')', end_of_file), t)
   Fail: (207) [system] arg(_2056132, v('(', ')', end_of_file), t)
^  Fail: (206) [user] is_delimiter(t)
   Call: (206) [system] ')'==t
   Fail: (206) [system] ')'==t
   Call: (206) [system] get_char((0x558d99e6bec0), t)
   Exit: (206) [system] get_char((0x558d99e6bec0), t)
   Call: (206) [system] t=(\)
   Fail: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063482)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2064416)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_2069136, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_2070068, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077418)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2078352)
   Exit: (208) [system] peek_char((0x558d99e6bec0), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Fail: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_2083072, v('(', ')', end_of_file), o)
   Fail: (209) [system] arg(_2084004, v('(', ')', end_of_file), o)
^  Fail: (208) [user] is_delimiter(o)
   Call: (208) [system] ')'==o
   Fail: (208) [system] ')'==o
   Call: (208) [system] get_char((0x558d99e6bec0), o)
   Exit: (208) [system] get_char((0x558d99e6bec0), o)
   Call: (208) [system] o=(\)
   Fail: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091354)
   Call: (209) [system] peek_char((0x558d99e6bec0), _2092288)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_3688, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_4590, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _11940)
   Call: (210) [system] peek_char((0x558d99e6bec0), _12874)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _11940=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _3612=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (208) [system] _3608=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (207) [system] _3604=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (206) [system] _3600=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (205) [system] _3596=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (204) [system] _3592=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (203) [system] _3588=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (202) [system] _3584=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _3580=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _3576=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _3572)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_50124, _50126), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3572), _50100, fail)), '$restore_trace'(_50124, _50126))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_50124, _50126))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3572), _50100, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_3572)
   Fail: (200) [system] atomic(_3572)
   Call: (200) [system] atom_chars(_3572, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _59500)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _61358)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _69096)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _71800)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _86878)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _92448)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _94306)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _108460)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _92448)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _114030)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _128184)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _133754)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _135612)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _149766)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _133754)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _167408)
   Call: (203) [system] peek_char((0x558d99e6bec0), _168342)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_173062, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_173994, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _181344)
   Call: (204) [system] peek_char((0x558d99e6bec0), _182278)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_186998, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_187930, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (204) [system] get_char((0x558d99e6bec0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _195280)
   Call: (205) [system] peek_char((0x558d99e6bec0), _196214)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_200934, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_201866, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _209216)
   Call: (206) [system] peek_char((0x558d99e6bec0), _210150)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_214870, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_215802, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _223152)
   Call: (207) [system] peek_char((0x558d99e6bec0), _224086)
   Exit: (207) [system] peek_char((0x558d99e6bec0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_228806, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_229738, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x558d99e6bec0), k)
   Exit: (207) [system] get_char((0x558d99e6bec0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _237088)
   Call: (208) [system] peek_char((0x558d99e6bec0), _238022)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _237088=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _223152=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (206) [system] _209216=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (205) [system] _195280=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (204) [system] _181344=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (203) [system] _167408=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _133754)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_261302, _261304), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _133754), _261278, fail)), '$restore_trace'(_261302, _261304))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_261302, _261304))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _133754), _261278, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_133754)
   Fail: (203) [system] atomic(_133754)
   Call: (203) [system] atom_chars(_133754, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _270678)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _272536)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _280274)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _282978)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _298056)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (201) [system] 'C'=')'
   Fail: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
   Fail: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _303626)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _305484)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (203) [system] 'C'=(;)
   Fail: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Fail: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Fail: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Fail: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
   Fail: (204) [system] char_type('C', cntrl)
^  Fail: (203) [user] is_like_space('C')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _319638)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'C')
   Call: (202) [system] 'C'='('
   Fail: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Fail: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Fail: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Fail: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Fail: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Fail: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Fail: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
   Fail: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _303626)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _337280)
   Call: (204) [system] peek_char((0x558d99e6bec0), _338214)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _337280=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq('C', [], _303626)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_347524, _347526), once(user:catch(read_from_chars(['C'], _303626), _347500, fail)), '$restore_trace'(_347524, _347526))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_347524, _347526))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _303626), _347500, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_303626)
   Fail: (204) [system] atomic(_303626)
   Call: (204) [system] atom_chars(_303626, ['C'])
   Exit: (204) [system] atom_chars('C', ['C'])
^  Exit: (203) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _356900)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _358758)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _366496)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _369200)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _384278)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _389848)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _391706)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _405860)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _389848)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _423502)
   Call: (205) [system] peek_char((0x558d99e6bec0), _424436)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_429156, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _423502=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq('D', [], _389848)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_435618, _435620), once(user:catch(read_from_chars(['D'], _389848), _435594, fail)), '$restore_trace'(_435618, _435620))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_435618, _435620))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _389848), _435594, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_389848)
   Fail: (205) [system] atomic(_389848)
   Call: (205) [system] atom_chars(_389848, ['D'])
   Exit: (205) [system] atom_chars('D', ['D'])
^  Exit: (204) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _444994)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _446852)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _461006)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _464796)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _444994=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _356900=['D']
   Exit: (202) [system] ['D']=['D']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (201) [system] _270678=['C', 'D']
   Exit: (201) [system] ['C', 'D']=['C', 'D']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (200) [system] _92448=['OrLink', 'C', 'D']
   Exit: (200) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _478678)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _480536)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _488274)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _490978)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _506056)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (199) [system] 'E'=')'
   Fail: (199) [system] 'E'=')'
   Call: (199) [system] 'E'=end_of_file
   Fail: (199) [system] 'E'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _511626)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _513484)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (201) [system] 'E'=(;)
   Fail: (201) [system] 'E'=(;)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Fail: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Fail: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Fail: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
   Fail: (202) [system] char_type('E', cntrl)
^  Fail: (201) [user] is_like_space('E')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _527638)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'E')
   Call: (200) [system] 'E'='('
   Fail: (200) [system] 'E'='('
   Call: (200) [system] 'E'='['
   Fail: (200) [system] 'E'='['
   Call: (200) [system] 'E'='{'
   Fail: (200) [system] 'E'='{'
   Call: (200) [system] 'E'='"'
   Fail: (200) [system] 'E'='"'
   Call: (200) [system] 'E'=!
   Fail: (200) [system] 'E'=!
   Call: (200) [system] 'E'='\''
   Fail: (200) [system] 'E'='\''
   Call: (200) [system] 'E'='`'
   Fail: (200) [system] 'E'='`'
   Call: (200) [system] 'E'=end_of_file
   Fail: (200) [system] 'E'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _511626)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _545280)
   Call: (202) [system] peek_char((0x558d99e6bec0), _546214)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_550934, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _545280=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq('E', [], _511626)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_557396, _557398), once(user:catch(read_from_chars(['E'], _511626), _557372, fail)), '$restore_trace'(_557396, _557398))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_557396, _557398))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _511626), _557372, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_511626)
   Fail: (202) [system] atomic(_511626)
   Call: (202) [system] atom_chars(_511626, ['E'])
   Exit: (202) [system] atom_chars('E', ['E'])
^  Exit: (201) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _566772)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _568630)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _582784)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _586574)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _566772=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _478678=['E']
   Exit: (199) [system] ['E']=['E']
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (198) [system] _59500=[['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (197) [system] _3566=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _600456)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _602314)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=(;)
   Fail: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Fail: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Fail: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Fail: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
   Fail: (198) [system] char_type(')', cntrl)
^  Fail: (197) [user] is_like_space(')')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _616468)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x558d99e6bec0), _620258)
   Exit: (196) [system] get_char((0x558d99e6bec0), ')')
   Call: (196) [system] _600456=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (195) [system] _3562=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3556=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _3548=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (191) [user] cont_sexpr(')', (0x558d99e6bec0), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (191) [user] read_list(')', (0x558d99e6bec0), _634140)
^  Call: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _635998)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (193) [system] '\n'=(;)
   Fail: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Fail: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x558d99e6bec0), _645592)
   Exit: (193) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _648296)
   Exit: (194) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (194) [system] ' '=(;)
   Fail: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x558d99e6bec0), _656034)
   Exit: (194) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _658738)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (192) [user] skip_spaces((0x558d99e6bec0))
   Call: (192) [system] peek_char((0x558d99e6bec0), _674740)
   Exit: (192) [system] peek_char((0x558d99e6bec0), '(')
   Call: (192) [system] '('=')'
   Fail: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
   Fail: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x558d99e6bec0), _680310)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _682168)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=(;)
   Fail: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Fail: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Fail: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Fail: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
   Fail: (195) [system] char_type('(', cntrl)
^  Fail: (194) [user] is_like_space('(')
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] get_char((0x558d99e6bec0), _696322)
   Exit: (193) [system] get_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _680310)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _701892)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=(;)
   Fail: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Fail: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Fail: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Fail: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
   Fail: (196) [system] char_type(:, cntrl)
^  Fail: (195) [user] is_like_space(:)
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _716046)
   Exit: (194) [system] peek_char((0x558d99e6bec0), :)
   Call: (194) [system] (:)=')'
   Fail: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
   Fail: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _721616)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _723474)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _737628)
   Exit: (195) [system] get_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)='('
   Fail: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Fail: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Fail: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Fail: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Fail: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Fail: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Fail: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, _721616)
^  Call: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), _755270)
   Call: (197) [system] peek_char((0x558d99e6bec0), _756204)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _755270=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _721616)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_765514, _765516), once(user:catch(read_from_chars([:], _721616), _765490, fail)), '$restore_trace'(_765514, _765516))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_765514, _765516))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _765490, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _773014)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _774872)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _782610)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _785314)
   Exit: (197) [system] peek_char((0x558d99e6bec0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _800392)
   Exit: (195) [system] peek_char((0x558d99e6bec0), a)
   Call: (195) [system] a=')'
   Fail: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
   Fail: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _805962)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _807820)
   Exit: (197) [system] peek_char((0x558d99e6bec0), a)
   Call: (197) [system] a=(;)
   Fail: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Fail: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Fail: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Fail: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
   Fail: (198) [system] char_type(a, cntrl)
^  Fail: (197) [user] is_like_space(a)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _821974)
   Exit: (196) [system] get_char((0x558d99e6bec0), a)
   Call: (196) [system] a='('
   Fail: (196) [system] a='('
   Call: (196) [system] a='['
   Fail: (196) [system] a='['
   Call: (196) [system] a='{'
   Fail: (196) [system] a='{'
   Call: (196) [system] a='"'
   Fail: (196) [system] a='"'
   Call: (196) [system] a=!
   Fail: (196) [system] a=!
   Call: (196) [system] a='\''
   Fail: (196) [system] a='\''
   Call: (196) [system] a='`'
   Fail: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
   Fail: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), a, _805962)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _839616)
   Call: (198) [system] peek_char((0x558d99e6bec0), _840550)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _839616=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(a, [], _805962)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_849860, _849862), once(user:catch(read_from_chars([a], _805962), _849836, fail)), '$restore_trace'(_849860, _849862))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_849860, _849862))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _849836, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _857360)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _859218)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _866956)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _869660)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _884738)
   Exit: (196) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (196) [system] 'A'=')'
   Fail: (196) [system] 'A'=')'
   Call: (196) [system] 'A'=end_of_file
   Fail: (196) [system] 'A'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _890308)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _892166)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (198) [system] 'A'=(;)
   Fail: (198) [system] 'A'=(;)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Fail: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Fail: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Fail: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
   Fail: (199) [system] char_type('A', cntrl)
^  Fail: (198) [user] is_like_space('A')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _906320)
   Exit: (197) [system] get_char((0x558d99e6bec0), 'A')
   Call: (197) [system] 'A'='('
   Fail: (197) [system] 'A'='('
   Call: (197) [system] 'A'='['
   Fail: (197) [system] 'A'='['
   Call: (197) [system] 'A'='{'
   Fail: (197) [system] 'A'='{'
   Call: (197) [system] 'A'='"'
   Fail: (197) [system] 'A'='"'
   Call: (197) [system] 'A'=!
   Fail: (197) [system] 'A'=!
   Call: (197) [system] 'A'='\''
   Fail: (197) [system] 'A'='\''
   Call: (197) [system] 'A'='`'
   Fail: (197) [system] 'A'='`'
   Call: (197) [system] 'A'=end_of_file
   Fail: (197) [system] 'A'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _890308)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _923962)
   Call: (199) [system] peek_char((0x558d99e6bec0), _924896)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_929616, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _923962=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq('A', [], _890308)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_936078, _936080), once(user:catch(read_from_chars(['A'], _890308), _936054, fail)), '$restore_trace'(_936078, _936080))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_936078, _936080))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _890308), _936054, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_890308)
   Fail: (199) [system] atomic(_890308)
   Call: (199) [system] atom_chars(_890308, ['A'])
   Exit: (199) [system] atom_chars('A', ['A'])
^  Exit: (198) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _945454)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _947312)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=(;)
   Fail: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Fail: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Fail: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Fail: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
   Fail: (199) [system] char_type(')', cntrl)
^  Fail: (198) [user] is_like_space(')')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _961466)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x558d99e6bec0), _965256)
   Exit: (197) [system] get_char((0x558d99e6bec0), ')')
   Call: (197) [system] _945454=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (196) [system] _857360=['A']
   Exit: (196) [system] ['A']=['A']
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (195) [system] _773014=[a, 'A']
   Exit: (195) [system] [a, 'A']=[a, 'A']
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [a, 'A'])
   Call: (194) [system] _680310=[:, a, 'A']
   Exit: (194) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (193) [user] read_list(')', (0x558d99e6bec0), [:, a, 'A'])
^  Exit: (192) [user] cont_sexpr(')', (0x558d99e6bec0), [:, a, 'A'])
^  Call: (192) [user] read_list(')', (0x558d99e6bec0), _979138)
^  Call: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _980996)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (194) [system] '\n'=(;)
   Fail: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Fail: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x558d99e6bec0), _990590)
   Exit: (194) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _993294)
   Exit: (195) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (195) [system] ' '=(;)
   Fail: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x558d99e6bec0), _1001032)
   Exit: (195) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1003736)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (193) [user] skip_spaces((0x558d99e6bec0))
   Call: (193) [system] peek_char((0x558d99e6bec0), _1019738)
   Exit: (193) [system] peek_char((0x558d99e6bec0), '(')
   Call: (193) [system] '('=')'
   Fail: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
   Fail: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x558d99e6bec0), _1025308)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1027166)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=(;)
   Fail: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Fail: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Fail: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Fail: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
   Fail: (196) [system] char_type('(', cntrl)
^  Fail: (195) [user] is_like_space('(')
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] get_char((0x558d99e6bec0), _1041320)
   Exit: (194) [system] get_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1025308)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1046890)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=(;)
   Fail: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Fail: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Fail: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Fail: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
   Fail: (197) [system] char_type(:, cntrl)
^  Fail: (196) [user] is_like_space(:)
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1061044)
   Exit: (195) [system] peek_char((0x558d99e6bec0), :)
   Call: (195) [system] (:)=')'
   Fail: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
   Fail: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1066614)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1068472)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1082626)
   Exit: (196) [system] get_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)='('
   Fail: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Fail: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Fail: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Fail: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Fail: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Fail: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Fail: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, _1066614)
^  Call: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1100268)
   Call: (198) [system] peek_char((0x558d99e6bec0), _1101202)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1100268=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _1066614)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1110512, _1110514), once(user:catch(read_from_chars([:], _1066614), _1110488, fail)), '$restore_trace'(_1110512, _1110514))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1110512, _1110514))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1110488, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1118012)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1119870)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1127608)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1130312)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1145390)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1150960)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1152818)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1166972)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1150960)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1172542)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (199) [system] 'D'=(;)
   Fail: (199) [system] 'D'=(;)
^  Call: (199) [user] is_like_space('D')
   Call: (200) [system] char_type('D', 'white')
   Fail: (200) [system] char_type('D', 'white')
   Call: (200) [system] char_type('D', end_of_line)
   Fail: (200) [system] char_type('D', end_of_line)
   Call: (200) [system] char_type('D', space)
   Fail: (200) [system] char_type('D', space)
   Call: (200) [system] char_type('D', cntrl)
   Fail: (200) [system] char_type('D', cntrl)
^  Fail: (199) [user] is_like_space('D')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1186696)
   Exit: (198) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (198) [system] 'D'=')'
   Fail: (198) [system] 'D'=')'
   Call: (198) [system] 'D'=end_of_file
   Fail: (198) [system] 'D'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1192266)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1194124)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (200) [system] 'D'=(;)
   Fail: (200) [system] 'D'=(;)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Fail: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Fail: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Fail: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
   Fail: (201) [system] char_type('D', cntrl)
^  Fail: (200) [user] is_like_space('D')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1208278)
   Exit: (199) [system] get_char((0x558d99e6bec0), 'D')
   Call: (199) [system] 'D'='('
   Fail: (199) [system] 'D'='('
   Call: (199) [system] 'D'='['
   Fail: (199) [system] 'D'='['
   Call: (199) [system] 'D'='{'
   Fail: (199) [system] 'D'='{'
   Call: (199) [system] 'D'='"'
   Fail: (199) [system] 'D'='"'
   Call: (199) [system] 'D'=!
   Fail: (199) [system] 'D'=!
   Call: (199) [system] 'D'='\''
   Fail: (199) [system] 'D'='\''
   Call: (199) [system] 'D'='`'
   Fail: (199) [system] 'D'='`'
   Call: (199) [system] 'D'=end_of_file
   Fail: (199) [system] 'D'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1192266)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1225920)
   Call: (201) [system] peek_char((0x558d99e6bec0), _1226854)
   Exit: (201) [system] peek_char((0x558d99e6bec0), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Fail: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1231574, v('(', ')', end_of_file), i)
   Fail: (202) [system] arg(_1232506, v('(', ')', end_of_file), i)
^  Fail: (201) [user] is_delimiter(i)
   Call: (201) [system] ')'==i
   Fail: (201) [system] ')'==i
   Call: (201) [system] get_char((0x558d99e6bec0), i)
   Exit: (201) [system] get_char((0x558d99e6bec0), i)
   Call: (201) [system] i=(\)
   Fail: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1239856)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1240790)
   Exit: (202) [system] peek_char((0x558d99e6bec0), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Fail: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1245510, v('(', ')', end_of_file), s)
   Fail: (203) [system] arg(_1246442, v('(', ')', end_of_file), s)
^  Fail: (202) [user] is_delimiter(s)
   Call: (202) [system] ')'==s
   Fail: (202) [system] ')'==s
   Call: (202) [system] get_char((0x558d99e6bec0), s)
   Exit: (202) [system] get_char((0x558d99e6bec0), s)
   Call: (202) [system] s=(\)
   Fail: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1253792)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1254726)
   Exit: (203) [system] peek_char((0x558d99e6bec0), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Fail: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1259446, v('(', ')', end_of_file), j)
   Fail: (204) [system] arg(_1260378, v('(', ')', end_of_file), j)
^  Fail: (203) [user] is_delimiter(j)
   Call: (203) [system] ')'==j
   Fail: (203) [system] ')'==j
   Call: (203) [system] get_char((0x558d99e6bec0), j)
   Exit: (203) [system] get_char((0x558d99e6bec0), j)
   Call: (203) [system] j=(\)
   Fail: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1267728)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1268662)
   Exit: (204) [system] peek_char((0x558d99e6bec0), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Fail: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1273382, v('(', ')', end_of_file), u)
   Fail: (205) [system] arg(_1274314, v('(', ')', end_of_file), u)
^  Fail: (204) [user] is_delimiter(u)
   Call: (204) [system] ')'==u
   Fail: (204) [system] ')'==u
   Call: (204) [system] get_char((0x558d99e6bec0), u)
   Exit: (204) [system] get_char((0x558d99e6bec0), u)
   Call: (204) [system] u=(\)
   Fail: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1281664)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1282598)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1287318, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_1288250, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1295600)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1296534)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1301254, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1302186, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x558d99e6bec0), c)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1309536)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1310470)
   Exit: (207) [system] peek_char((0x558d99e6bec0), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Fail: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1315190, v('(', ')', end_of_file), t)
   Fail: (208) [system] arg(_1316122, v('(', ')', end_of_file), t)
^  Fail: (207) [user] is_delimiter(t)
   Call: (207) [system] ')'==t
   Fail: (207) [system] ')'==t
   Call: (207) [system] get_char((0x558d99e6bec0), t)
   Exit: (207) [system] get_char((0x558d99e6bec0), t)
   Call: (207) [system] t=(\)
   Fail: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1323472)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1324406)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1329126, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1330058, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1337408)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1338342)
   Exit: (209) [system] peek_char((0x558d99e6bec0), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Fail: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1343062, v('(', ')', end_of_file), o)
   Fail: (210) [system] arg(_1343994, v('(', ')', end_of_file), o)
^  Fail: (209) [user] is_delimiter(o)
   Call: (209) [system] ')'==o
   Fail: (209) [system] ')'==o
   Call: (209) [system] get_char((0x558d99e6bec0), o)
   Exit: (209) [system] get_char((0x558d99e6bec0), o)
   Call: (209) [system] o=(\)
   Fail: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1351344)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1352278)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1356998, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1357930, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1365280)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1366214)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_1370934, v('(', ')', end_of_file), 'I')
   Fail: (212) [system] arg(_1371866, v('(', ')', end_of_file), 'I')
^  Fail: (211) [user] is_delimiter('I')
   Call: (211) [system] ')'=='I'
   Fail: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=(\)
   Fail: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1379216)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1380150)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1384870, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1385802, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1393152)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1394086)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1398806, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_1399738, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1407088)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1408022)
   Exit: (214) [system] peek_char((0x558d99e6bec0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1412742, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1413674, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x558d99e6bec0), r)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1421024)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1421958)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1426678, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1427610, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1434960)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1435894)
   Exit: (216) [system] peek_char((0x558d99e6bec0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1440614, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1441546, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x558d99e6bec0), d)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1448896)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1449830)
   Exit: (217) [system] peek_char((0x558d99e6bec0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1454550, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1455482, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x558d99e6bec0), u)
   Exit: (217) [system] get_char((0x558d99e6bec0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1462832)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1463766)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1468486, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1469418, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1476768)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1477702)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1482422, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1483354, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1490704)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1491638)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1496358, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1497290, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1504640)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1505574)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1510294, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1511226, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1518576)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1519510)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1524230, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1525162, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1532512)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1533446)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1532512=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1518576=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (221) [system] _1504640=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (220) [system] _1490704=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (219) [system] _1476768=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (218) [system] _1462832=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (217) [system] _1448896=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (216) [system] _1434960=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (215) [system] _1421024=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _1407088=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1393152=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1379216=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1365280=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1351344=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1337408=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1323472=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1309536=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1295600=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1281664=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1267728=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _1253792=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _1239856=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _1225920=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1192266)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1604224, _1604226), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1192266), _1604200, fail)), '$restore_trace'(_1604224, _1604226))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1604224, _1604226))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1192266), _1604200, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1192266)
   Fail: (201) [system] atomic(_1192266)
   Call: (201) [system] atom_chars(_1192266, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (201) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1613600)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1615458)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _1623196)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1625900)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1640978)
   Exit: (199) [system] peek_char((0x558d99e6bec0), a)
   Call: (199) [system] a=')'
   Fail: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
   Fail: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1646548)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1648406)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=(;)
   Fail: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Fail: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Fail: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Fail: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
   Fail: (202) [system] char_type(a, cntrl)
^  Fail: (201) [user] is_like_space(a)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1662560)
   Exit: (200) [system] get_char((0x558d99e6bec0), a)
   Call: (200) [system] a='('
   Fail: (200) [system] a='('
   Call: (200) [system] a='['
   Fail: (200) [system] a='['
   Call: (200) [system] a='{'
   Fail: (200) [system] a='{'
   Call: (200) [system] a='"'
   Fail: (200) [system] a='"'
   Call: (200) [system] a=!
   Fail: (200) [system] a=!
   Call: (200) [system] a='\''
   Fail: (200) [system] a='\''
   Call: (200) [system] a='`'
   Fail: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), a, _1646548)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1680202)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1681136)
   Exit: (202) [system] peek_char((0x558d99e6bec0), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Fail: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1685856, v('(', ')', end_of_file), b)
   Fail: (203) [system] arg(_1686788, v('(', ')', end_of_file), b)
^  Fail: (202) [user] is_delimiter(b)
   Call: (202) [system] ')'==b
   Fail: (202) [system] ')'==b
   Call: (202) [system] get_char((0x558d99e6bec0), b)
   Exit: (202) [system] get_char((0x558d99e6bec0), b)
   Call: (202) [system] b=(\)
   Fail: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1694138)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1695072)
   Exit: (203) [system] peek_char((0x558d99e6bec0), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Fail: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1699792, v('(', ')', end_of_file), c)
   Fail: (204) [system] arg(_1700724, v('(', ')', end_of_file), c)
^  Fail: (203) [user] is_delimiter(c)
   Call: (203) [system] ')'==c
   Fail: (203) [system] ')'==c
   Call: (203) [system] get_char((0x558d99e6bec0), c)
   Exit: (203) [system] get_char((0x558d99e6bec0), c)
   Call: (203) [system] c=(\)
   Fail: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1708074)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1709008)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1708074=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1694138=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (202) [system] _1680202=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (201) [user] classify_and_convert_charseq(a, [b, c], _1646548)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1723906, _1723908), once(user:catch(read_from_chars([a, b, c], _1646548), _1723882, fail)), '$restore_trace'(_1723906, _1723908))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1723906, _1723908))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1723882, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(abc)
   Exit: (202) [system] atomic(abc)
^  Exit: (201) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1731406)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1733264)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1741002)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1743706)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1758784)
   Exit: (200) [system] peek_char((0x558d99e6bec0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1764354)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1766212)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1780366)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, _1764354)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1798008)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1798942)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1803662, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_1804594, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1811944)
   Call: (204) [system] peek_char((0x558d99e6bec0), _1812878)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1817598, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_1818530, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1825880)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1826814)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1831534, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1825880=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1811944=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (203) [system] _1798008=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _1764354)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1843584, _1843586), once(user:catch(read_from_chars([a, b, c], _1764354), _1843560, fail)), '$restore_trace'(_1843584, _1843586))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1843584, _1843586))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1843560, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1851084)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1852942)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1867096)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _1870886)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _1851084=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _1731406=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (199) [system] _1613600=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [abc, abc])
   Call: (198) [system] _1150960=['DisjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1884768)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1886626)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1894364)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1897068)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1912146)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1917716)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1919574)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1933728)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1917716)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1939298)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (200) [system] 'O'=(;)
   Fail: (200) [system] 'O'=(;)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Fail: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Fail: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Fail: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
   Fail: (201) [system] char_type('O', cntrl)
^  Fail: (200) [user] is_like_space('O')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1953452)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (199) [system] 'O'=')'
   Fail: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
   Fail: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1959022)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1960880)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _1975034)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'O')
   Call: (200) [system] 'O'='('
   Fail: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Fail: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Fail: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Fail: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Fail: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Fail: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Fail: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1959022)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1992676)
   Call: (202) [system] peek_char((0x558d99e6bec0), _1993610)
   Exit: (202) [system] peek_char((0x558d99e6bec0), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Fail: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1998330, v('(', ')', end_of_file), r)
   Fail: (203) [system] arg(_1999262, v('(', ')', end_of_file), r)
^  Fail: (202) [user] is_delimiter(r)
   Call: (202) [system] ')'==r
   Fail: (202) [system] ')'==r
   Call: (202) [system] get_char((0x558d99e6bec0), r)
   Exit: (202) [system] get_char((0x558d99e6bec0), r)
   Call: (202) [system] r=(\)
   Fail: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2006612)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2007546)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Fail: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_2012266, v('(', ')', end_of_file), 'L')
   Fail: (204) [system] arg(_2013198, v('(', ')', end_of_file), 'L')
^  Fail: (203) [user] is_delimiter('L')
   Call: (203) [system] ')'=='L'
   Fail: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (203) [system] get_char((0x558d99e6bec0), 'L')
   Call: (203) [system] 'L'=(\)
   Fail: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2020548)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2021482)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_2026202, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_2027134, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2034484)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2035418)
   Exit: (205) [system] peek_char((0x558d99e6bec0), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Fail: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_2040138, v('(', ')', end_of_file), n)
   Fail: (206) [system] arg(_2041070, v('(', ')', end_of_file), n)
^  Fail: (205) [user] is_delimiter(n)
   Call: (205) [system] ')'==n
   Fail: (205) [system] ')'==n
   Call: (205) [system] get_char((0x558d99e6bec0), n)
   Exit: (205) [system] get_char((0x558d99e6bec0), n)
   Call: (205) [system] n=(\)
   Fail: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2048420)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2049354)
   Exit: (206) [system] peek_char((0x558d99e6bec0), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Fail: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_2054074, v('(', ')', end_of_file), k)
   Fail: (207) [system] arg(_2055006, v('(', ')', end_of_file), k)
^  Fail: (206) [user] is_delimiter(k)
   Call: (206) [system] ')'==k
   Fail: (206) [system] ')'==k
   Call: (206) [system] get_char((0x558d99e6bec0), k)
   Exit: (206) [system] get_char((0x558d99e6bec0), k)
   Call: (206) [system] k=(\)
   Fail: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2062356)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2063290)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _2062356=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _2048420=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (205) [system] _2034484=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (204) [system] _2020548=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (203) [system] _2006612=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (202) [system] _1992676=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1959022)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_2086570, _2086572), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1959022), _2086546, fail)), '$restore_trace'(_2086570, _2086572))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_2086570, _2086572))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1959022), _2086546, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1959022)
   Fail: (202) [system] atomic(_1959022)
   Call: (202) [system] atom_chars(_1959022, ['O', r, 'L', i, n, k])
   Exit: (202) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _2095946)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _4552)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _12290)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _14994)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _30072)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _35642)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _37500)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _51654)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _35642)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _57224)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'=(;)
   Fail: (203) [system] 'I'=(;)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Fail: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Fail: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Fail: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
   Fail: (204) [system] char_type('I', cntrl)
^  Fail: (203) [user] is_like_space('I')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _71378)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (202) [system] 'I'=')'
   Fail: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
   Fail: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _76948)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _78806)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _92960)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'='('
   Fail: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Fail: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Fail: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Fail: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Fail: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Fail: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Fail: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _76948)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _110602)
   Call: (205) [system] peek_char((0x558d99e6bec0), _111536)
   Exit: (205) [system] peek_char((0x558d99e6bec0), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Fail: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_116256, v('(', ')', end_of_file), m)
   Fail: (206) [system] arg(_117188, v('(', ')', end_of_file), m)
^  Fail: (205) [user] is_delimiter(m)
   Call: (205) [system] ')'==m
   Fail: (205) [system] ')'==m
   Call: (205) [system] get_char((0x558d99e6bec0), m)
   Exit: (205) [system] get_char((0x558d99e6bec0), m)
   Call: (205) [system] m=(\)
   Fail: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _124538)
   Call: (206) [system] peek_char((0x558d99e6bec0), _125472)
   Exit: (206) [system] peek_char((0x558d99e6bec0), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Fail: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_130192, v('(', ')', end_of_file), p)
   Fail: (207) [system] arg(_131124, v('(', ')', end_of_file), p)
^  Fail: (206) [user] is_delimiter(p)
   Call: (206) [system] ')'==p
   Fail: (206) [system] ')'==p
   Call: (206) [system] get_char((0x558d99e6bec0), p)
   Exit: (206) [system] get_char((0x558d99e6bec0), p)
   Call: (206) [system] p=(\)
   Fail: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _138474)
   Call: (207) [system] peek_char((0x558d99e6bec0), _139408)
   Exit: (207) [system] peek_char((0x558d99e6bec0), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Fail: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_144128, v('(', ')', end_of_file), l)
   Fail: (208) [system] arg(_145060, v('(', ')', end_of_file), l)
^  Fail: (207) [user] is_delimiter(l)
   Call: (207) [system] ')'==l
   Fail: (207) [system] ')'==l
   Call: (207) [system] get_char((0x558d99e6bec0), l)
   Exit: (207) [system] get_char((0x558d99e6bec0), l)
   Call: (207) [system] l=(\)
   Fail: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _152410)
   Call: (208) [system] peek_char((0x558d99e6bec0), _153344)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_158064, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_158996, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _166346)
   Call: (209) [system] peek_char((0x558d99e6bec0), _167280)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_172000, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_172932, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x558d99e6bec0), c)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180282)
   Call: (210) [system] peek_char((0x558d99e6bec0), _181216)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_185936, v('(', ')', end_of_file), a)
   Fail: (211) [system] arg(_186868, v('(', ')', end_of_file), a)
^  Fail: (210) [user] is_delimiter(a)
   Call: (210) [system] ')'==a
   Fail: (210) [system] ')'==a
   Call: (210) [system] get_char((0x558d99e6bec0), a)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(\)
   Fail: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _194218)
   Call: (211) [system] peek_char((0x558d99e6bec0), _195152)
   Exit: (211) [system] peek_char((0x558d99e6bec0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_199872, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_200804, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x558d99e6bec0), t)
   Exit: (211) [system] get_char((0x558d99e6bec0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _208154)
   Call: (212) [system] peek_char((0x558d99e6bec0), _209088)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_213808, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_214740, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _222090)
   Call: (213) [system] peek_char((0x558d99e6bec0), _223024)
   Exit: (213) [system] peek_char((0x558d99e6bec0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_227744, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_228676, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x558d99e6bec0), o)
   Exit: (213) [system] get_char((0x558d99e6bec0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _236026)
   Call: (214) [system] peek_char((0x558d99e6bec0), _236960)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_241680, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_242612, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _249962)
   Call: (215) [system] peek_char((0x558d99e6bec0), _250896)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _249962=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _236026=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (213) [system] _222090=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (212) [system] _208154=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (211) [system] _194218=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (210) [system] _180282=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (209) [system] _166346=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (208) [system] _152410=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (207) [system] _138474=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _124538=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _110602=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _76948)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_288146, _288148), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _76948), _288122, fail)), '$restore_trace'(_288146, _288148))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_288146, _288148))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _76948), _288122, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_76948)
   Fail: (205) [system] atomic(_76948)
   Call: (205) [system] atom_chars(_76948, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (205) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _297522)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _299380)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _307118)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _309822)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _324900)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _330470)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _332328)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _346482)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _330470)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _352052)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _366206)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'=')'
   Fail: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _371776)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _373634)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _387788)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'='('
   Fail: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Fail: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Fail: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Fail: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Fail: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Fail: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Fail: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _371776)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _405430)
   Call: (208) [system] peek_char((0x558d99e6bec0), _406364)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_411084, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_412016, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _419366)
   Call: (209) [system] peek_char((0x558d99e6bec0), _420300)
   Exit: (209) [system] peek_char((0x558d99e6bec0), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Fail: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_425020, v('(', ')', end_of_file), d)
   Fail: (210) [system] arg(_425952, v('(', ')', end_of_file), d)
^  Fail: (209) [user] is_delimiter(d)
   Call: (209) [system] ')'==d
   Fail: (209) [system] ')'==d
   Call: (209) [system] get_char((0x558d99e6bec0), d)
   Exit: (209) [system] get_char((0x558d99e6bec0), d)
   Call: (209) [system] d=(\)
   Fail: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _433302)
   Call: (210) [system] peek_char((0x558d99e6bec0), _434236)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_438956, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_439888, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (210) [system] get_char((0x558d99e6bec0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _447238)
   Call: (211) [system] peek_char((0x558d99e6bec0), _448172)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_452892, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_453824, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _461174)
   Call: (212) [system] peek_char((0x558d99e6bec0), _462108)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_466828, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_467760, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _475110)
   Call: (213) [system] peek_char((0x558d99e6bec0), _476044)
   Exit: (213) [system] peek_char((0x558d99e6bec0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_480764, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_481696, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x558d99e6bec0), k)
   Exit: (213) [system] get_char((0x558d99e6bec0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _489046)
   Call: (214) [system] peek_char((0x558d99e6bec0), _489980)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _489046=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _475110=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (212) [system] _461174=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (211) [system] _447238=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (210) [system] _433302=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (209) [system] _419366=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (208) [system] _405430=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _371776)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_516054, _516056), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _371776), _516030, fail)), '$restore_trace'(_516054, _516056))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_516054, _516056))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _371776), _516030, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_371776)
   Fail: (208) [system] atomic(_371776)
   Call: (208) [system] atom_chars(_371776, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _525430)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _527288)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _535026)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _537730)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _552808)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _558378)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _560236)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _574390)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _558378)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _592032)
   Call: (209) [system] peek_char((0x558d99e6bec0), _592966)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _592032=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq('A', [], _558378)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_602276, _602278), once(user:catch(read_from_chars(['A'], _558378), _602252, fail)), '$restore_trace'(_602276, _602278))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_602276, _602278))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _558378), _602252, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_558378)
   Fail: (209) [system] atomic(_558378)
   Call: (209) [system] atom_chars(_558378, ['A'])
   Exit: (209) [system] atom_chars('A', ['A'])
^  Exit: (208) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _611652)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _613510)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _621248)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _623952)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _639030)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (207) [system] 'B'=')'
   Fail: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
   Fail: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _644600)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _646458)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'=(;)
   Fail: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Fail: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Fail: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Fail: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
   Fail: (210) [system] char_type('B', cntrl)
^  Fail: (209) [user] is_like_space('B')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _660612)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'='('
   Fail: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Fail: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Fail: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Fail: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Fail: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Fail: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Fail: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _644600)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _678254)
   Call: (210) [system] peek_char((0x558d99e6bec0), _679188)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_683908, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _678254=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('B', [], _644600)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_690370, _690372), once(user:catch(read_from_chars(['B'], _644600), _690346, fail)), '$restore_trace'(_690370, _690372))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_690370, _690372))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _644600), _690346, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_644600)
   Fail: (210) [system] atomic(_644600)
   Call: (210) [system] atom_chars(_644600, ['B'])
   Exit: (210) [system] atom_chars('B', ['B'])
^  Exit: (209) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _699746)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _701604)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _715758)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _719548)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _699746=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _611652=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (206) [system] _525430=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (205) [system] _330470=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _733430)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _735288)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _743026)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _745730)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _760808)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (204) [system] 'C'=')'
   Fail: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
   Fail: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _766378)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _768236)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=(;)
   Fail: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Fail: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Fail: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Fail: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
   Fail: (207) [system] char_type('C', cntrl)
^  Fail: (206) [user] is_like_space('C')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _782390)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'='('
   Fail: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Fail: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Fail: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Fail: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Fail: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Fail: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Fail: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _766378)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _800032)
   Call: (207) [system] peek_char((0x558d99e6bec0), _800966)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_805686, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _800032=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (206) [user] classify_and_convert_charseq('C', [], _766378)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_812148, _812150), once(user:catch(read_from_chars(['C'], _766378), _812124, fail)), '$restore_trace'(_812148, _812150))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_812148, _812150))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _766378), _812124, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_766378)
   Fail: (207) [system] atomic(_766378)
   Call: (207) [system] atom_chars(_766378, ['C'])
   Exit: (207) [system] atom_chars('C', ['C'])
^  Exit: (206) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _821524)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _823382)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _837536)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _841326)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _821524=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _733430=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (203) [system] _297522=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _35642=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _855208)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _857066)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _864804)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _867508)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _882586)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _888156)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _890014)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _904168)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _888156)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _909738)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _923892)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _929462)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _931320)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _945474)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _929462)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _963116)
   Call: (206) [system] peek_char((0x558d99e6bec0), _964050)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_968770, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_969702, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _977052)
   Call: (207) [system] peek_char((0x558d99e6bec0), _977986)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_982706, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_983638, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _990988)
   Call: (208) [system] peek_char((0x558d99e6bec0), _991922)
   Exit: (208) [system] peek_char((0x558d99e6bec0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_996642, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_997574, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x558d99e6bec0), l)
   Exit: (208) [system] get_char((0x558d99e6bec0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1004924)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1005858)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1010578, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1011510, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1018860)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1019794)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1024514, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1025446, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1032796)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1033730)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1038450, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_1039382, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x558d99e6bec0), a)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1046732)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1047666)
   Exit: (212) [system] peek_char((0x558d99e6bec0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1052386, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1053318, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x558d99e6bec0), t)
   Exit: (212) [system] get_char((0x558d99e6bec0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1060668)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1061602)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1066322, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1067254, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1074604)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1075538)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1080258, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1081190, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1088540)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1089474)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1094194, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1095126, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1102476)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1103410)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1102476=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1088540=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (214) [system] _1074604=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (213) [system] _1060668=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (212) [system] _1046732=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (211) [system] _1032796=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (210) [system] _1018860=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (209) [system] _1004924=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (208) [system] _990988=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _977052=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _963116=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _929462)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1140660, _1140662), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _929462), _1140636, fail)), '$restore_trace'(_1140660, _1140662))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1140660, _1140662))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _929462), _1140636, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_929462)
   Fail: (206) [system] atomic(_929462)
   Call: (206) [system] atom_chars(_929462, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1150036)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1151894)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1159632)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1162336)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1177414)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1182984)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1184842)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1198996)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1182984)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1204566)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1218720)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1224290)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1226148)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1240302)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1224290)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1257944)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1258878)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1263598, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1264530, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1271880)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1272814)
   Exit: (210) [system] peek_char((0x558d99e6bec0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1277534, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1278466, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x558d99e6bec0), d)
   Exit: (210) [system] get_char((0x558d99e6bec0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1285816)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1286750)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1291470, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1292402, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1299752)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1300686)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1305406, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1306338, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1313688)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1314622)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1319342, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1320274, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1327624)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1328558)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1333278, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1334210, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1341560)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1342494)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1341560=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1327624=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _1313688=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _1299752=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _1285816=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _1271880=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (209) [system] _1257944=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1224290)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1368568, _1368570), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1224290), _1368544, fail)), '$restore_trace'(_1368568, _1368570))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1368568, _1368570))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1224290), _1368544, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1224290)
   Fail: (209) [system] atomic(_1224290)
   Call: (209) [system] atom_chars(_1224290, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1377944)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1379802)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1387540)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1390244)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1405322)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1410892)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1412750)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1426904)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1410892)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444546)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1445480)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1444546=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _1410892)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1454790, _1454792), once(user:catch(read_from_chars(['A'], _1410892), _1454766, fail)), '$restore_trace'(_1454790, _1454792))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1454790, _1454792))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1410892), _1454766, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1410892)
   Fail: (210) [system] atomic(_1410892)
   Call: (210) [system] atom_chars(_1410892, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1464166)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1466024)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1473762)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1476466)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1491544)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1497114)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1498972)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1513126)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1497114)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1530768)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1531702)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1536422, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1530768=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _1497114)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1542884, _1542886), once(user:catch(read_from_chars(['B'], _1497114), _1542860, fail)), '$restore_trace'(_1542884, _1542886))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1542884, _1542886))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1497114), _1542860, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1497114)
   Fail: (211) [system] atomic(_1497114)
   Call: (211) [system] atom_chars(_1497114, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1552260)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1554118)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1568272)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1572062)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1552260=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1464166=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (207) [system] _1377944=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (206) [system] _1182984=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1585944)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1587802)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1595540)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1598244)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1613322)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1618892)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1620750)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1634904)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1618892)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1652546)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1653480)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1658200, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1652546=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _1618892)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1664662, _1664664), once(user:catch(read_from_chars(['C'], _1618892), _1664638, fail)), '$restore_trace'(_1664662, _1664664))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1664662, _1664664))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1618892), _1664638, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1618892)
   Fail: (208) [system] atomic(_1618892)
   Call: (208) [system] atom_chars(_1618892, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1674038)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1675896)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1690050)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _1693840)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _1674038=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1585944=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (204) [system] _1150036=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _888156=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1707722)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1709580)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1723734)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _1727524)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _1707722=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _855208=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3676=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3668=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1741406)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1743264)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=(;)
   Fail: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Fail: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Fail: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Fail: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
   Fail: (200) [system] char_type(')', cntrl)
^  Fail: (199) [user] is_like_space(')')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1757418)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x558d99e6bec0), _1761208)
   Exit: (198) [system] get_char((0x558d99e6bec0), ')')
   Call: (198) [system] _1741406=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (197) [system] _3664=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3640=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3632=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x558d99e6bec0), _1775090)
^  Call: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1776948)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (195) [system] '\n'=(;)
   Fail: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Fail: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x558d99e6bec0), _1786542)
   Exit: (195) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1789246)
   Exit: (196) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (196) [system] ' '=(;)
   Fail: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x558d99e6bec0), _1796984)
   Exit: (196) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1799688)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (194) [user] skip_spaces((0x558d99e6bec0))
   Call: (194) [system] peek_char((0x558d99e6bec0), _1815690)
   Exit: (194) [system] peek_char((0x558d99e6bec0), '(')
   Call: (194) [system] '('=')'
   Fail: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
   Fail: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x558d99e6bec0), _1821260)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1823118)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=(;)
   Fail: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Fail: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Fail: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Fail: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
   Fail: (197) [system] char_type('(', cntrl)
^  Fail: (196) [user] is_like_space('(')
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] get_char((0x558d99e6bec0), _1837272)
   Exit: (195) [system] get_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _1821260)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1842842)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=(;)
   Fail: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Fail: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Fail: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Fail: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
   Fail: (198) [system] char_type(:, cntrl)
^  Fail: (197) [user] is_like_space(:)
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1856996)
   Exit: (196) [system] peek_char((0x558d99e6bec0), :)
   Call: (196) [system] (:)=')'
   Fail: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
   Fail: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _1862566)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1864424)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _1878578)
   Exit: (197) [system] get_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)='('
   Fail: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Fail: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Fail: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Fail: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Fail: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Fail: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Fail: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, _1862566)
^  Call: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1896220)
   Call: (199) [system] peek_char((0x558d99e6bec0), _1897154)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1896220=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _1862566)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1906464, _1906466), once(user:catch(read_from_chars([:], _1862566), _1906440, fail)), '$restore_trace'(_1906464, _1906466))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1906464, _1906466))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1906440, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1913964)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1915822)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _1923560)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1926264)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1941342)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1946912)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1948770)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1962924)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1946912)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1968494)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (200) [system] 'D'=(;)
   Fail: (200) [system] 'D'=(;)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Fail: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Fail: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Fail: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
   Fail: (201) [system] char_type('D', cntrl)
^  Fail: (200) [user] is_like_space('D')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1982648)
   Exit: (199) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (199) [system] 'D'=')'
   Fail: (199) [system] 'D'=')'
   Call: (199) [system] 'D'=end_of_file
   Fail: (199) [system] 'D'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _1988218)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1990076)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (201) [system] 'D'=(;)
   Fail: (201) [system] 'D'=(;)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Fail: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Fail: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Fail: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
   Fail: (202) [system] char_type('D', cntrl)
^  Fail: (201) [user] is_like_space('D')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _2004230)
   Exit: (200) [system] get_char((0x558d99e6bec0), 'D')
   Call: (200) [system] 'D'='('
   Fail: (200) [system] 'D'='('
   Call: (200) [system] 'D'='['
   Fail: (200) [system] 'D'='['
   Call: (200) [system] 'D'='{'
   Fail: (200) [system] 'D'='{'
   Call: (200) [system] 'D'='"'
   Fail: (200) [system] 'D'='"'
   Call: (200) [system] 'D'=!
   Fail: (200) [system] 'D'=!
   Call: (200) [system] 'D'='\''
   Fail: (200) [system] 'D'='\''
   Call: (200) [system] 'D'='`'
   Fail: (200) [system] 'D'='`'
   Call: (200) [system] 'D'=end_of_file
   Fail: (200) [system] 'D'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1988218)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2021872)
   Call: (202) [system] peek_char((0x558d99e6bec0), _2022806)
   Exit: (202) [system] peek_char((0x558d99e6bec0), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Fail: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_2027526, v('(', ')', end_of_file), i)
   Fail: (203) [system] arg(_2028458, v('(', ')', end_of_file), i)
^  Fail: (202) [user] is_delimiter(i)
   Call: (202) [system] ')'==i
   Fail: (202) [system] ')'==i
   Call: (202) [system] get_char((0x558d99e6bec0), i)
   Exit: (202) [system] get_char((0x558d99e6bec0), i)
   Call: (202) [system] i=(\)
   Fail: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2035808)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2036742)
   Exit: (203) [system] peek_char((0x558d99e6bec0), s)
^  Call: (203) [user] is_delimiter(s)
   Call: (204) [system] char_type(s, space)
   Fail: (204) [system] char_type(s, space)
   Call: (204) [system] arg(_2041462, v('(', ')', end_of_file), s)
   Fail: (204) [system] arg(_2042394, v('(', ')', end_of_file), s)
^  Fail: (203) [user] is_delimiter(s)
   Call: (203) [system] ')'==s
   Fail: (203) [system] ')'==s
   Call: (203) [system] get_char((0x558d99e6bec0), s)
   Exit: (203) [system] get_char((0x558d99e6bec0), s)
   Call: (203) [system] s=(\)
   Fail: (203) [system] s=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2049744)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2050678)
   Exit: (204) [system] peek_char((0x558d99e6bec0), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Fail: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_2055398, v('(', ')', end_of_file), j)
   Fail: (205) [system] arg(_2056330, v('(', ')', end_of_file), j)
^  Fail: (204) [user] is_delimiter(j)
   Call: (204) [system] ')'==j
   Fail: (204) [system] ')'==j
   Call: (204) [system] get_char((0x558d99e6bec0), j)
   Exit: (204) [system] get_char((0x558d99e6bec0), j)
   Call: (204) [system] j=(\)
   Fail: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063680)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2064614)
   Exit: (205) [system] peek_char((0x558d99e6bec0), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Fail: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_2069334, v('(', ')', end_of_file), u)
   Fail: (206) [system] arg(_2070266, v('(', ')', end_of_file), u)
^  Fail: (205) [user] is_delimiter(u)
   Call: (205) [system] ')'==u
   Fail: (205) [system] ')'==u
   Call: (205) [system] get_char((0x558d99e6bec0), u)
   Exit: (205) [system] get_char((0x558d99e6bec0), u)
   Call: (205) [system] u=(\)
   Fail: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077616)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2078550)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_2083270, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_2084202, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091552)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2092486)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_4244, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_5176, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x558d99e6bec0), c)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _12526)
   Call: (208) [system] peek_char((0x558d99e6bec0), _13460)
   Exit: (208) [system] peek_char((0x558d99e6bec0), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Fail: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_18180, v('(', ')', end_of_file), t)
   Fail: (209) [system] arg(_19112, v('(', ')', end_of_file), t)
^  Fail: (208) [user] is_delimiter(t)
   Call: (208) [system] ')'==t
   Fail: (208) [system] ')'==t
   Call: (208) [system] get_char((0x558d99e6bec0), t)
   Exit: (208) [system] get_char((0x558d99e6bec0), t)
   Call: (208) [system] t=(\)
   Fail: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _26462)
   Call: (209) [system] peek_char((0x558d99e6bec0), _27396)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_32116, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_33048, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40398)
   Call: (210) [system] peek_char((0x558d99e6bec0), _41332)
   Exit: (210) [system] peek_char((0x558d99e6bec0), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Fail: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_46052, v('(', ')', end_of_file), o)
   Fail: (211) [system] arg(_46984, v('(', ')', end_of_file), o)
^  Fail: (210) [user] is_delimiter(o)
   Call: (210) [system] ')'==o
   Fail: (210) [system] ')'==o
   Call: (210) [system] get_char((0x558d99e6bec0), o)
   Exit: (210) [system] get_char((0x558d99e6bec0), o)
   Call: (210) [system] o=(\)
   Fail: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _54334)
   Call: (211) [system] peek_char((0x558d99e6bec0), _55268)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_59988, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_60920, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68270)
   Call: (212) [system] peek_char((0x558d99e6bec0), _69204)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_73924, v('(', ')', end_of_file), 'I')
   Fail: (213) [system] arg(_74856, v('(', ')', end_of_file), 'I')
^  Fail: (212) [user] is_delimiter('I')
   Call: (212) [system] ')'=='I'
   Fail: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(\)
   Fail: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _82206)
   Call: (213) [system] peek_char((0x558d99e6bec0), _83140)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_87860, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_88792, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _96142)
   Call: (214) [system] peek_char((0x558d99e6bec0), _97076)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_101796, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_102728, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _110078)
   Call: (215) [system] peek_char((0x558d99e6bec0), _111012)
   Exit: (215) [system] peek_char((0x558d99e6bec0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_115732, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_116664, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x558d99e6bec0), r)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _124014)
   Call: (216) [system] peek_char((0x558d99e6bec0), _124948)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_129668, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_130600, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _137950)
   Call: (217) [system] peek_char((0x558d99e6bec0), _138884)
   Exit: (217) [system] peek_char((0x558d99e6bec0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_143604, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_144536, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x558d99e6bec0), d)
   Exit: (217) [system] get_char((0x558d99e6bec0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _151886)
   Call: (218) [system] peek_char((0x558d99e6bec0), _152820)
   Exit: (218) [system] peek_char((0x558d99e6bec0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_157540, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_158472, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x558d99e6bec0), u)
   Exit: (218) [system] get_char((0x558d99e6bec0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _165822)
   Call: (219) [system] peek_char((0x558d99e6bec0), _166756)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_171476, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_172408, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _179758)
   Call: (220) [system] peek_char((0x558d99e6bec0), _180692)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_185412, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_186344, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _193694)
   Call: (221) [system] peek_char((0x558d99e6bec0), _194628)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_199348, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_200280, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _207630)
   Call: (222) [system] peek_char((0x558d99e6bec0), _208564)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_213284, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_214216, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _221566)
   Call: (223) [system] peek_char((0x558d99e6bec0), _222500)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_227220, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_228152, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _235502)
   Call: (224) [system] peek_char((0x558d99e6bec0), _236436)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _235502=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _221566=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (222) [system] _207630=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (221) [system] _193694=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (220) [system] _179758=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (219) [system] _165822=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (218) [system] _151886=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (217) [system] _137950=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (216) [system] _124014=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _110078=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _96142=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _82206=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _68270=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _54334=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _40398=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _26462=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _12526=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3806=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3802=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3798=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3794=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3790=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _3786=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3782)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_307214, _307216), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3782), _307190, fail)), '$restore_trace'(_307214, _307216))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_307214, _307216))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3782), _307190, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_3782)
   Fail: (202) [system] atomic(_3782)
   Call: (202) [system] atom_chars(_3782, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _316590)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _318448)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _326186)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _328890)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _343968)
   Exit: (200) [system] peek_char((0x558d99e6bec0), a)
   Call: (200) [system] a=')'
   Fail: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
   Fail: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _349538)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _351396)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=(;)
   Fail: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Fail: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Fail: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Fail: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
   Fail: (203) [system] char_type(a, cntrl)
^  Fail: (202) [user] is_like_space(a)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _365550)
   Exit: (201) [system] get_char((0x558d99e6bec0), a)
   Call: (201) [system] a='('
   Fail: (201) [system] a='('
   Call: (201) [system] a='['
   Fail: (201) [system] a='['
   Call: (201) [system] a='{'
   Fail: (201) [system] a='{'
   Call: (201) [system] a='"'
   Fail: (201) [system] a='"'
   Call: (201) [system] a=!
   Fail: (201) [system] a=!
   Call: (201) [system] a='\''
   Fail: (201) [system] a='\''
   Call: (201) [system] a='`'
   Fail: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, _349538)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _383192)
   Call: (203) [system] peek_char((0x558d99e6bec0), _384126)
   Exit: (203) [system] peek_char((0x558d99e6bec0), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Fail: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_388846, v('(', ')', end_of_file), b)
   Fail: (204) [system] arg(_389778, v('(', ')', end_of_file), b)
^  Fail: (203) [user] is_delimiter(b)
   Call: (203) [system] ')'==b
   Fail: (203) [system] ')'==b
   Call: (203) [system] get_char((0x558d99e6bec0), b)
   Exit: (203) [system] get_char((0x558d99e6bec0), b)
   Call: (203) [system] b=(\)
   Fail: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _397128)
   Call: (204) [system] peek_char((0x558d99e6bec0), _398062)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_402782, v('(', ')', end_of_file), c)
   Fail: (205) [system] arg(_403714, v('(', ')', end_of_file), c)
^  Fail: (204) [user] is_delimiter(c)
   Call: (204) [system] ')'==c
   Fail: (204) [system] ')'==c
   Call: (204) [system] get_char((0x558d99e6bec0), c)
   Exit: (204) [system] get_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(\)
   Fail: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _411064)
   Call: (205) [system] peek_char((0x558d99e6bec0), _411998)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _411064=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (204) [system] _397128=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (203) [system] _383192=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _349538)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_426896, _426898), once(user:catch(read_from_chars([a, b, c], _349538), _426872, fail)), '$restore_trace'(_426896, _426898))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_426896, _426898))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _426872, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _434396)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _436254)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _443992)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _446696)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _461774)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _467344)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _469202)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _483356)
   Exit: (202) [system] get_char((0x558d99e6bec0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), a, _467344)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _500998)
   Call: (204) [system] peek_char((0x558d99e6bec0), _501932)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_506652, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _500998=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq(a, [], _467344)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_513114, _513116), once(user:catch(read_from_chars([a], _467344), _513090, fail)), '$restore_trace'(_513114, _513116))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_513114, _513116))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _513090, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(a)
   Exit: (204) [system] atomic(a)
^  Exit: (203) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _520614)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _522472)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _536626)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _540416)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _520614=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _434396=[a]
   Exit: (201) [system] [a]=[a]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (200) [system] _316590=[abc, a]
   Exit: (200) [system] [abc, a]=[abc, a]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (199) [system] _3776=['DisjunctionIntroduction', abc, a]
   Exit: (199) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _554298)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _556156)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _563894)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _566598)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _581676)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _587246)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _589104)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _603258)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _587246)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _608828)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=(;)
   Fail: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Fail: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Fail: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Fail: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
   Fail: (202) [system] char_type('O', cntrl)
^  Fail: (201) [user] is_like_space('O')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _622982)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (200) [system] 'O'=')'
   Fail: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
   Fail: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _628552)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _630410)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _644564)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'='('
   Fail: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Fail: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Fail: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Fail: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Fail: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Fail: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Fail: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _628552)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _662206)
   Call: (203) [system] peek_char((0x558d99e6bec0), _663140)
   Exit: (203) [system] peek_char((0x558d99e6bec0), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Fail: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_667860, v('(', ')', end_of_file), r)
   Fail: (204) [system] arg(_668792, v('(', ')', end_of_file), r)
^  Fail: (203) [user] is_delimiter(r)
   Call: (203) [system] ')'==r
   Fail: (203) [system] ')'==r
   Call: (203) [system] get_char((0x558d99e6bec0), r)
   Exit: (203) [system] get_char((0x558d99e6bec0), r)
   Call: (203) [system] r=(\)
   Fail: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _676142)
   Call: (204) [system] peek_char((0x558d99e6bec0), _677076)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Fail: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_681796, v('(', ')', end_of_file), 'L')
   Fail: (205) [system] arg(_682728, v('(', ')', end_of_file), 'L')
^  Fail: (204) [user] is_delimiter('L')
   Call: (204) [system] ')'=='L'
   Fail: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (204) [system] get_char((0x558d99e6bec0), 'L')
   Call: (204) [system] 'L'=(\)
   Fail: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _690078)
   Call: (205) [system] peek_char((0x558d99e6bec0), _691012)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_695732, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_696664, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _704014)
   Call: (206) [system] peek_char((0x558d99e6bec0), _704948)
   Exit: (206) [system] peek_char((0x558d99e6bec0), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Fail: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_709668, v('(', ')', end_of_file), n)
   Fail: (207) [system] arg(_710600, v('(', ')', end_of_file), n)
^  Fail: (206) [user] is_delimiter(n)
   Call: (206) [system] ')'==n
   Fail: (206) [system] ')'==n
   Call: (206) [system] get_char((0x558d99e6bec0), n)
   Exit: (206) [system] get_char((0x558d99e6bec0), n)
   Call: (206) [system] n=(\)
   Fail: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _717950)
   Call: (207) [system] peek_char((0x558d99e6bec0), _718884)
   Exit: (207) [system] peek_char((0x558d99e6bec0), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Fail: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_723604, v('(', ')', end_of_file), k)
   Fail: (208) [system] arg(_724536, v('(', ')', end_of_file), k)
^  Fail: (207) [user] is_delimiter(k)
   Call: (207) [system] ')'==k
   Fail: (207) [system] ')'==k
   Call: (207) [system] get_char((0x558d99e6bec0), k)
   Exit: (207) [system] get_char((0x558d99e6bec0), k)
   Call: (207) [system] k=(\)
   Fail: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _731886)
   Call: (208) [system] peek_char((0x558d99e6bec0), _732820)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _731886=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _717950=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (206) [system] _704014=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (205) [system] _690078=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (204) [system] _676142=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (203) [system] _662206=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _628552)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_756100, _756102), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _628552), _756076, fail)), '$restore_trace'(_756100, _756102))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_756100, _756102))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _628552), _756076, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_628552)
   Fail: (203) [system] atomic(_628552)
   Call: (203) [system] atom_chars(_628552, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _765476)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _767334)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _775072)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _777776)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _792854)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _798424)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _800282)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _814436)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _798424)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _820006)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=(;)
   Fail: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Fail: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Fail: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Fail: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
   Fail: (205) [system] char_type('I', cntrl)
^  Fail: (204) [user] is_like_space('I')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _834160)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (203) [system] 'I'=')'
   Fail: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
   Fail: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _839730)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _841588)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _855742)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'='('
   Fail: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Fail: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Fail: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Fail: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Fail: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Fail: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Fail: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _839730)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _873384)
   Call: (206) [system] peek_char((0x558d99e6bec0), _874318)
   Exit: (206) [system] peek_char((0x558d99e6bec0), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Fail: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_879038, v('(', ')', end_of_file), m)
   Fail: (207) [system] arg(_879970, v('(', ')', end_of_file), m)
^  Fail: (206) [user] is_delimiter(m)
   Call: (206) [system] ')'==m
   Fail: (206) [system] ')'==m
   Call: (206) [system] get_char((0x558d99e6bec0), m)
   Exit: (206) [system] get_char((0x558d99e6bec0), m)
   Call: (206) [system] m=(\)
   Fail: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _887320)
   Call: (207) [system] peek_char((0x558d99e6bec0), _888254)
   Exit: (207) [system] peek_char((0x558d99e6bec0), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Fail: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_892974, v('(', ')', end_of_file), p)
   Fail: (208) [system] arg(_893906, v('(', ')', end_of_file), p)
^  Fail: (207) [user] is_delimiter(p)
   Call: (207) [system] ')'==p
   Fail: (207) [system] ')'==p
   Call: (207) [system] get_char((0x558d99e6bec0), p)
   Exit: (207) [system] get_char((0x558d99e6bec0), p)
   Call: (207) [system] p=(\)
   Fail: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _901256)
   Call: (208) [system] peek_char((0x558d99e6bec0), _902190)
   Exit: (208) [system] peek_char((0x558d99e6bec0), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Fail: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_906910, v('(', ')', end_of_file), l)
   Fail: (209) [system] arg(_907842, v('(', ')', end_of_file), l)
^  Fail: (208) [user] is_delimiter(l)
   Call: (208) [system] ')'==l
   Fail: (208) [system] ')'==l
   Call: (208) [system] get_char((0x558d99e6bec0), l)
   Exit: (208) [system] get_char((0x558d99e6bec0), l)
   Call: (208) [system] l=(\)
   Fail: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _915192)
   Call: (209) [system] peek_char((0x558d99e6bec0), _916126)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_920846, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_921778, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _929128)
   Call: (210) [system] peek_char((0x558d99e6bec0), _930062)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_934782, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_935714, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _943064)
   Call: (211) [system] peek_char((0x558d99e6bec0), _943998)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_948718, v('(', ')', end_of_file), a)
   Fail: (212) [system] arg(_949650, v('(', ')', end_of_file), a)
^  Fail: (211) [user] is_delimiter(a)
   Call: (211) [system] ')'==a
   Fail: (211) [system] ')'==a
   Call: (211) [system] get_char((0x558d99e6bec0), a)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(\)
   Fail: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _957000)
   Call: (212) [system] peek_char((0x558d99e6bec0), _957934)
   Exit: (212) [system] peek_char((0x558d99e6bec0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_962654, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_963586, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x558d99e6bec0), t)
   Exit: (212) [system] get_char((0x558d99e6bec0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _970936)
   Call: (213) [system] peek_char((0x558d99e6bec0), _971870)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_976590, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_977522, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _984872)
   Call: (214) [system] peek_char((0x558d99e6bec0), _985806)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_990526, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_991458, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _998808)
   Call: (215) [system] peek_char((0x558d99e6bec0), _999742)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1004462, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1005394, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1012744)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1013678)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1012744=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _998808=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (214) [system] _984872=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (213) [system] _970936=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (212) [system] _957000=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (211) [system] _943064=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (210) [system] _929128=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (209) [system] _915192=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (208) [system] _901256=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _887320=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _873384=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _839730)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1050928, _1050930), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _839730), _1050904, fail)), '$restore_trace'(_1050928, _1050930))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1050928, _1050930))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _839730), _1050904, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_839730)
   Fail: (206) [system] atomic(_839730)
   Call: (206) [system] atom_chars(_839730, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1060304)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1062162)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1069900)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1072604)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1087682)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1093252)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1095110)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1109264)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1093252)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1114834)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=(;)
   Fail: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Fail: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Fail: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Fail: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
   Fail: (208) [system] char_type('A', cntrl)
^  Fail: (207) [user] is_like_space('A')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1128988)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=')'
   Fail: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
   Fail: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1134558)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1136416)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1150570)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'='('
   Fail: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Fail: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Fail: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Fail: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Fail: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Fail: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Fail: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1134558)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168212)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1169146)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1173866, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_1174798, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1182148)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1183082)
   Exit: (210) [system] peek_char((0x558d99e6bec0), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Fail: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1187802, v('(', ')', end_of_file), d)
   Fail: (211) [system] arg(_1188734, v('(', ')', end_of_file), d)
^  Fail: (210) [user] is_delimiter(d)
   Call: (210) [system] ')'==d
   Fail: (210) [system] ')'==d
   Call: (210) [system] get_char((0x558d99e6bec0), d)
   Exit: (210) [system] get_char((0x558d99e6bec0), d)
   Call: (210) [system] d=(\)
   Fail: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1196084)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1197018)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1201738, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1202670, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1210020)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1210954)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1215674, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1216606, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1223956)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1224890)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1229610, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1230542, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1237892)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1238826)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1243546, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1244478, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1251828)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1252762)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1251828=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1237892=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _1223956=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _1210020=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _1196084=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _1182148=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (209) [system] _1168212=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1134558)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1278836, _1278838), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1134558), _1278812, fail)), '$restore_trace'(_1278836, _1278838))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1278836, _1278838))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1134558), _1278812, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1134558)
   Fail: (209) [system] atomic(_1134558)
   Call: (209) [system] atom_chars(_1134558, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1288212)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1290070)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1297808)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1300512)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1315590)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1321160)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1323018)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1337172)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1321160)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1354814)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1355748)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1354814=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _1321160)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1365058, _1365060), once(user:catch(read_from_chars(['A'], _1321160), _1365034, fail)), '$restore_trace'(_1365058, _1365060))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1365058, _1365060))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1321160), _1365034, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1321160)
   Fail: (210) [system] atomic(_1321160)
   Call: (210) [system] atom_chars(_1321160, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1374434)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1376292)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1384030)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1386734)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1401812)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (208) [system] 'B'=')'
   Fail: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
   Fail: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1407382)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1409240)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=(;)
   Fail: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Fail: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Fail: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Fail: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
   Fail: (211) [system] char_type('B', cntrl)
^  Fail: (210) [user] is_like_space('B')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1423394)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'='('
   Fail: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Fail: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Fail: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Fail: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Fail: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Fail: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Fail: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1407382)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1441036)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1441970)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1446690, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1441036=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _1407382)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1453152, _1453154), once(user:catch(read_from_chars(['B'], _1407382), _1453128, fail)), '$restore_trace'(_1453152, _1453154))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1453152, _1453154))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1407382), _1453128, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1407382)
   Fail: (211) [system] atomic(_1407382)
   Call: (211) [system] atom_chars(_1407382, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1462528)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1464386)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1478540)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1482330)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1462528=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1374434=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (207) [system] _1288212=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (206) [system] _1093252=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1496212)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1498070)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1505808)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1508512)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1523590)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (205) [system] 'C'=')'
   Fail: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
   Fail: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1529160)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1531018)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=(;)
   Fail: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Fail: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Fail: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Fail: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
   Fail: (208) [system] char_type('C', cntrl)
^  Fail: (207) [user] is_like_space('C')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1545172)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'='('
   Fail: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Fail: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Fail: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Fail: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Fail: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Fail: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Fail: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1529160)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1562814)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1563748)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1568468, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1562814=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _1529160)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1574930, _1574932), once(user:catch(read_from_chars(['C'], _1529160), _1574906, fail)), '$restore_trace'(_1574930, _1574932))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1574930, _1574932))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1529160), _1574906, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1529160)
   Fail: (208) [system] atomic(_1529160)
   Call: (208) [system] atom_chars(_1529160, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1584306)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1586164)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1600318)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _1604108)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _1584306=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _1496212=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (204) [system] _1060304=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _798424=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1617990)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1619848)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1627586)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1630290)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1645368)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (202) [system] 'B'=')'
   Fail: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
   Fail: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1650938)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1652796)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (204) [system] 'B'=(;)
   Fail: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Fail: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Fail: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Fail: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
   Fail: (205) [system] char_type('B', cntrl)
^  Fail: (204) [user] is_like_space('B')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1666950)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'B')
   Call: (203) [system] 'B'='('
   Fail: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Fail: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Fail: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Fail: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Fail: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Fail: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Fail: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
   Fail: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1650938)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1684592)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1685526)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1690246, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1684592=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq('B', [], _1650938)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1696708, _1696710), once(user:catch(read_from_chars(['B'], _1650938), _1696684, fail)), '$restore_trace'(_1696708, _1696710))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1696708, _1696710))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1650938), _1696684, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1650938)
   Fail: (205) [system] atomic(_1650938)
   Call: (205) [system] atom_chars(_1650938, ['B'])
   Exit: (205) [system] atom_chars('B', ['B'])
^  Exit: (204) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1706084)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1707942)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1722096)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _1725886)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _1706084=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _1617990=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (201) [system] _765476=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (200) [system] _587246=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (200) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _1739768)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1741626)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=(;)
   Fail: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Fail: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Fail: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Fail: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
   Fail: (201) [system] char_type(')', cntrl)
^  Fail: (200) [user] is_like_space(')')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1755780)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x558d99e6bec0), _1759570)
   Exit: (199) [system] get_char((0x558d99e6bec0), ')')
   Call: (199) [system] _1739768=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (198) [system] _554298=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (197) [system] _3772=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (197) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (196) [system] _3764=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (196) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (195) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (194) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (194) [user] read_list(')', (0x558d99e6bec0), _1773452)
^  Call: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _1775310)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (196) [system] '\n'=(;)
   Fail: (196) [system] '\n'=(;)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Fail: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x558d99e6bec0), _1784904)
   Exit: (196) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1787608)
   Exit: (197) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (197) [system] ' '=(;)
   Fail: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x558d99e6bec0), _1795346)
   Exit: (197) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1798050)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (195) [user] skip_spaces((0x558d99e6bec0))
   Call: (195) [system] peek_char((0x558d99e6bec0), _1814052)
   Exit: (195) [system] peek_char((0x558d99e6bec0), '(')
   Call: (195) [system] '('=')'
   Fail: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
   Fail: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x558d99e6bec0), _1819622)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1821480)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=(;)
   Fail: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Fail: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Fail: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Fail: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
   Fail: (198) [system] char_type('(', cntrl)
^  Fail: (197) [user] is_like_space('(')
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] get_char((0x558d99e6bec0), _1835634)
   Exit: (196) [system] get_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _1819622)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1841204)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=(;)
   Fail: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Fail: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Fail: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Fail: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
   Fail: (199) [system] char_type(:, cntrl)
^  Fail: (198) [user] is_like_space(:)
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _1855358)
   Exit: (197) [system] peek_char((0x558d99e6bec0), :)
   Call: (197) [system] (:)=')'
   Fail: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
   Fail: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _1860928)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1862786)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _1876940)
   Exit: (198) [system] get_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)='('
   Fail: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Fail: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Fail: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Fail: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Fail: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Fail: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Fail: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, _1860928)
^  Call: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1894582)
   Call: (200) [system] peek_char((0x558d99e6bec0), _1895516)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1894582=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1860928)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1904826, _1904828), once(user:catch(read_from_chars([:], _1860928), _1904802, fail)), '$restore_trace'(_1904826, _1904828))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1904826, _1904828))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1904802, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _1912326)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _1914184)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _1921922)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1924626)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _1939704)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _1945274)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1947132)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _1961286)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1945274)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1966856)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (201) [system] 'D'=(;)
   Fail: (201) [system] 'D'=(;)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Fail: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Fail: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Fail: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
   Fail: (202) [system] char_type('D', cntrl)
^  Fail: (201) [user] is_like_space('D')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1981010)
   Exit: (200) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (200) [system] 'D'=')'
   Fail: (200) [system] 'D'=')'
   Call: (200) [system] 'D'=end_of_file
   Fail: (200) [system] 'D'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1986580)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1988438)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (202) [system] 'D'=(;)
   Fail: (202) [system] 'D'=(;)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Fail: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Fail: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Fail: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
   Fail: (203) [system] char_type('D', cntrl)
^  Fail: (202) [user] is_like_space('D')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _2002592)
   Exit: (201) [system] get_char((0x558d99e6bec0), 'D')
   Call: (201) [system] 'D'='('
   Fail: (201) [system] 'D'='('
   Call: (201) [system] 'D'='['
   Fail: (201) [system] 'D'='['
   Call: (201) [system] 'D'='{'
   Fail: (201) [system] 'D'='{'
   Call: (201) [system] 'D'='"'
   Fail: (201) [system] 'D'='"'
   Call: (201) [system] 'D'=!
   Fail: (201) [system] 'D'=!
   Call: (201) [system] 'D'='\''
   Fail: (201) [system] 'D'='\''
   Call: (201) [system] 'D'='`'
   Fail: (201) [system] 'D'='`'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1986580)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2020234)
   Call: (203) [system] peek_char((0x558d99e6bec0), _2021168)
   Exit: (203) [system] peek_char((0x558d99e6bec0), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Fail: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_2025888, v('(', ')', end_of_file), i)
   Fail: (204) [system] arg(_2026820, v('(', ')', end_of_file), i)
^  Fail: (203) [user] is_delimiter(i)
   Call: (203) [system] ')'==i
   Fail: (203) [system] ')'==i
   Call: (203) [system] get_char((0x558d99e6bec0), i)
   Exit: (203) [system] get_char((0x558d99e6bec0), i)
   Call: (203) [system] i=(\)
   Fail: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2034170)
   Call: (204) [system] peek_char((0x558d99e6bec0), _2035104)
   Exit: (204) [system] peek_char((0x558d99e6bec0), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Fail: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_2039824, v('(', ')', end_of_file), s)
   Fail: (205) [system] arg(_2040756, v('(', ')', end_of_file), s)
^  Fail: (204) [user] is_delimiter(s)
   Call: (204) [system] ')'==s
   Fail: (204) [system] ')'==s
   Call: (204) [system] get_char((0x558d99e6bec0), s)
   Exit: (204) [system] get_char((0x558d99e6bec0), s)
   Call: (204) [system] s=(\)
   Fail: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2048106)
   Call: (205) [system] peek_char((0x558d99e6bec0), _2049040)
   Exit: (205) [system] peek_char((0x558d99e6bec0), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Fail: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_2053760, v('(', ')', end_of_file), j)
   Fail: (206) [system] arg(_2054692, v('(', ')', end_of_file), j)
^  Fail: (205) [user] is_delimiter(j)
   Call: (205) [system] ')'==j
   Fail: (205) [system] ')'==j
   Call: (205) [system] get_char((0x558d99e6bec0), j)
   Exit: (205) [system] get_char((0x558d99e6bec0), j)
   Call: (205) [system] j=(\)
   Fail: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2062042)
   Call: (206) [system] peek_char((0x558d99e6bec0), _2062976)
   Exit: (206) [system] peek_char((0x558d99e6bec0), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Fail: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_2067696, v('(', ')', end_of_file), u)
   Fail: (207) [system] arg(_2068628, v('(', ')', end_of_file), u)
^  Fail: (206) [user] is_delimiter(u)
   Call: (206) [system] ')'==u
   Fail: (206) [system] ')'==u
   Call: (206) [system] get_char((0x558d99e6bec0), u)
   Exit: (206) [system] get_char((0x558d99e6bec0), u)
   Call: (206) [system] u=(\)
   Fail: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2075978)
   Call: (207) [system] peek_char((0x558d99e6bec0), _2076912)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_2081632, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_2082564, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2089914)
   Call: (208) [system] peek_char((0x558d99e6bec0), _2090848)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_2095568, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_3972, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x558d99e6bec0), c)
   Exit: (208) [system] get_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _11008)
   Call: (209) [system] peek_char((0x558d99e6bec0), _11942)
   Exit: (209) [system] peek_char((0x558d99e6bec0), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Fail: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_16662, v('(', ')', end_of_file), t)
   Fail: (210) [system] arg(_17594, v('(', ')', end_of_file), t)
^  Fail: (209) [user] is_delimiter(t)
   Call: (209) [system] ')'==t
   Fail: (209) [system] ')'==t
   Call: (209) [system] get_char((0x558d99e6bec0), t)
   Exit: (209) [system] get_char((0x558d99e6bec0), t)
   Call: (209) [system] t=(\)
   Fail: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _24944)
   Call: (210) [system] peek_char((0x558d99e6bec0), _25878)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_30598, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_31530, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _38880)
   Call: (211) [system] peek_char((0x558d99e6bec0), _39814)
   Exit: (211) [system] peek_char((0x558d99e6bec0), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Fail: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_44534, v('(', ')', end_of_file), o)
   Fail: (212) [system] arg(_45466, v('(', ')', end_of_file), o)
^  Fail: (211) [user] is_delimiter(o)
   Call: (211) [system] ')'==o
   Fail: (211) [system] ')'==o
   Call: (211) [system] get_char((0x558d99e6bec0), o)
   Exit: (211) [system] get_char((0x558d99e6bec0), o)
   Call: (211) [system] o=(\)
   Fail: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _52816)
   Call: (212) [system] peek_char((0x558d99e6bec0), _53750)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_58470, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_59402, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _66752)
   Call: (213) [system] peek_char((0x558d99e6bec0), _67686)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_72406, v('(', ')', end_of_file), 'I')
   Fail: (214) [system] arg(_73338, v('(', ')', end_of_file), 'I')
^  Fail: (213) [user] is_delimiter('I')
   Call: (213) [system] ')'=='I'
   Fail: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(\)
   Fail: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _80688)
   Call: (214) [system] peek_char((0x558d99e6bec0), _81622)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_86342, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_87274, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _94624)
   Call: (215) [system] peek_char((0x558d99e6bec0), _95558)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_100278, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_101210, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _108560)
   Call: (216) [system] peek_char((0x558d99e6bec0), _109494)
   Exit: (216) [system] peek_char((0x558d99e6bec0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_114214, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_115146, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x558d99e6bec0), r)
   Exit: (216) [system] get_char((0x558d99e6bec0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _122496)
   Call: (217) [system] peek_char((0x558d99e6bec0), _123430)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_128150, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_129082, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _136432)
   Call: (218) [system] peek_char((0x558d99e6bec0), _137366)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_142086, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_143018, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _150368)
   Call: (219) [system] peek_char((0x558d99e6bec0), _151302)
   Exit: (219) [system] peek_char((0x558d99e6bec0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_156022, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_156954, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x558d99e6bec0), u)
   Exit: (219) [system] get_char((0x558d99e6bec0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _164304)
   Call: (220) [system] peek_char((0x558d99e6bec0), _165238)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_169958, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_170890, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _178240)
   Call: (221) [system] peek_char((0x558d99e6bec0), _179174)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_183894, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_184826, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _192176)
   Call: (222) [system] peek_char((0x558d99e6bec0), _193110)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_197830, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_198762, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _206112)
   Call: (223) [system] peek_char((0x558d99e6bec0), _207046)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_211766, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_212698, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _220048)
   Call: (224) [system] peek_char((0x558d99e6bec0), _220982)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_225702, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_226634, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _233984)
   Call: (225) [system] peek_char((0x558d99e6bec0), _234918)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _233984=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _220048=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (223) [system] _206112=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (222) [system] _192176=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (221) [system] _178240=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (220) [system] _164304=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (219) [system] _150368=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (218) [system] _136432=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (217) [system] _122496=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _108560=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _94624=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _80688=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _66752=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _52816=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _38880=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _24944=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _11008=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _3902=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _3898=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _3894=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _3890=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _3886=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _3882=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3878)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_305696, _305698), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3878), _305672, fail)), '$restore_trace'(_305696, _305698))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_305696, _305698))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _3878), _305672, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_3878)
   Fail: (203) [system] atomic(_3878)
   Call: (203) [system] atom_chars(_3878, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _315072)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _316930)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _324668)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _327372)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _342450)
   Exit: (201) [system] peek_char((0x558d99e6bec0), a)
   Call: (201) [system] a=')'
   Fail: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
   Fail: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _348020)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _349878)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=(;)
   Fail: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Fail: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Fail: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Fail: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
   Fail: (204) [system] char_type(a, cntrl)
^  Fail: (203) [user] is_like_space(a)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _364032)
   Exit: (202) [system] get_char((0x558d99e6bec0), a)
   Call: (202) [system] a='('
   Fail: (202) [system] a='('
   Call: (202) [system] a='['
   Fail: (202) [system] a='['
   Call: (202) [system] a='{'
   Fail: (202) [system] a='{'
   Call: (202) [system] a='"'
   Fail: (202) [system] a='"'
   Call: (202) [system] a=!
   Fail: (202) [system] a=!
   Call: (202) [system] a='\''
   Fail: (202) [system] a='\''
   Call: (202) [system] a='`'
   Fail: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), a, _348020)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _381674)
   Call: (204) [system] peek_char((0x558d99e6bec0), _382608)
   Exit: (204) [system] peek_char((0x558d99e6bec0), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Fail: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_387328, v('(', ')', end_of_file), b)
   Fail: (205) [system] arg(_388260, v('(', ')', end_of_file), b)
^  Fail: (204) [user] is_delimiter(b)
   Call: (204) [system] ')'==b
   Fail: (204) [system] ')'==b
   Call: (204) [system] get_char((0x558d99e6bec0), b)
   Exit: (204) [system] get_char((0x558d99e6bec0), b)
   Call: (204) [system] b=(\)
   Fail: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _395610)
   Call: (205) [system] peek_char((0x558d99e6bec0), _396544)
   Exit: (205) [system] peek_char((0x558d99e6bec0), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Fail: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_401264, v('(', ')', end_of_file), c)
   Fail: (206) [system] arg(_402196, v('(', ')', end_of_file), c)
^  Fail: (205) [user] is_delimiter(c)
   Call: (205) [system] ')'==c
   Fail: (205) [system] ')'==c
   Call: (205) [system] get_char((0x558d99e6bec0), c)
   Exit: (205) [system] get_char((0x558d99e6bec0), c)
   Call: (205) [system] c=(\)
   Fail: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _409546)
   Call: (206) [system] peek_char((0x558d99e6bec0), _410480)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _409546=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (205) [system] _395610=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (204) [system] _381674=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (203) [user] classify_and_convert_charseq(a, [b, c], _348020)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_425378, _425380), once(user:catch(read_from_chars([a, b, c], _348020), _425354, fail)), '$restore_trace'(_425378, _425380))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_425378, _425380))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _425354, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _432878)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _434736)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _442474)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _445178)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _460256)
   Exit: (202) [system] peek_char((0x558d99e6bec0), c)
   Call: (202) [system] c=')'
   Fail: (202) [system] c=')'
   Call: (202) [system] c=end_of_file
   Fail: (202) [system] c=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _465826)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _467684)
   Exit: (204) [system] peek_char((0x558d99e6bec0), c)
   Call: (204) [system] c=(;)
   Fail: (204) [system] c=(;)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Fail: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Fail: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Fail: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
   Fail: (205) [system] char_type(c, cntrl)
^  Fail: (204) [user] is_like_space(c)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _481838)
   Exit: (203) [system] get_char((0x558d99e6bec0), c)
   Call: (203) [system] c='('
   Fail: (203) [system] c='('
   Call: (203) [system] c='['
   Fail: (203) [system] c='['
   Call: (203) [system] c='{'
   Fail: (203) [system] c='{'
   Call: (203) [system] c='"'
   Fail: (203) [system] c='"'
   Call: (203) [system] c=!
   Fail: (203) [system] c=!
   Call: (203) [system] c='\''
   Fail: (203) [system] c='\''
   Call: (203) [system] c='`'
   Fail: (203) [system] c='`'
   Call: (203) [system] c=end_of_file
   Fail: (203) [system] c=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), c, _465826)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _499480)
   Call: (205) [system] peek_char((0x558d99e6bec0), _500414)
   Exit: (205) [system] peek_char((0x558d99e6bec0), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Fail: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_505134, v('(', ')', end_of_file), d)
   Fail: (206) [system] arg(_506066, v('(', ')', end_of_file), d)
^  Fail: (205) [user] is_delimiter(d)
   Call: (205) [system] ')'==d
   Fail: (205) [system] ')'==d
   Call: (205) [system] get_char((0x558d99e6bec0), d)
   Exit: (205) [system] get_char((0x558d99e6bec0), d)
   Call: (205) [system] d=(\)
   Fail: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _513416)
   Call: (206) [system] peek_char((0x558d99e6bec0), _514350)
   Exit: (206) [system] peek_char((0x558d99e6bec0), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Fail: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_519070, v('(', ')', end_of_file), e)
   Fail: (207) [system] arg(_520002, v('(', ')', end_of_file), e)
^  Fail: (206) [user] is_delimiter(e)
   Call: (206) [system] ')'==e
   Fail: (206) [system] ')'==e
   Call: (206) [system] get_char((0x558d99e6bec0), e)
   Exit: (206) [system] get_char((0x558d99e6bec0), e)
   Call: (206) [system] e=(\)
   Fail: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _527352)
   Call: (207) [system] peek_char((0x558d99e6bec0), _528286)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_533006, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _527352=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _513416=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (205) [system] _499480=[d, e]
   Exit: (205) [system] [d, e]=[d, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (204) [user] classify_and_convert_charseq(c, [d, e], _465826)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_545056, _545058), once(user:catch(read_from_chars([c, d, e], _465826), _545032, fail)), '$restore_trace'(_545056, _545058))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_545056, _545058))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _545032, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(cde)
   Exit: (205) [system] atomic(cde)
^  Exit: (204) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _552556)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _554414)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _568568)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _572358)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _552556=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _432878=[cde]
   Exit: (202) [system] [cde]=[cde]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (201) [system] _315072=[abc, cde]
   Exit: (201) [system] [abc, cde]=[abc, cde]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [abc, cde])
   Call: (200) [system] _3872=['DisjunctionIntroduction', abc, cde]
   Exit: (200) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, cde])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _586240)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _588098)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _595836)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _598540)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _613618)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _619188)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _621046)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _635200)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _619188)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _640770)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'=(;)
   Fail: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Fail: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Fail: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Fail: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
   Fail: (203) [system] char_type('O', cntrl)
^  Fail: (202) [user] is_like_space('O')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _654924)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (201) [system] 'O'=')'
   Fail: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
   Fail: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _660494)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _662352)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _676506)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'='('
   Fail: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Fail: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Fail: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Fail: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Fail: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Fail: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Fail: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _660494)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _694148)
   Call: (204) [system] peek_char((0x558d99e6bec0), _695082)
   Exit: (204) [system] peek_char((0x558d99e6bec0), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Fail: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_699802, v('(', ')', end_of_file), r)
   Fail: (205) [system] arg(_700734, v('(', ')', end_of_file), r)
^  Fail: (204) [user] is_delimiter(r)
   Call: (204) [system] ')'==r
   Fail: (204) [system] ')'==r
   Call: (204) [system] get_char((0x558d99e6bec0), r)
   Exit: (204) [system] get_char((0x558d99e6bec0), r)
   Call: (204) [system] r=(\)
   Fail: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _708084)
   Call: (205) [system] peek_char((0x558d99e6bec0), _709018)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Fail: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_713738, v('(', ')', end_of_file), 'L')
   Fail: (206) [system] arg(_714670, v('(', ')', end_of_file), 'L')
^  Fail: (205) [user] is_delimiter('L')
   Call: (205) [system] ')'=='L'
   Fail: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (205) [system] get_char((0x558d99e6bec0), 'L')
   Call: (205) [system] 'L'=(\)
   Fail: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _722020)
   Call: (206) [system] peek_char((0x558d99e6bec0), _722954)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_727674, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_728606, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _735956)
   Call: (207) [system] peek_char((0x558d99e6bec0), _736890)
   Exit: (207) [system] peek_char((0x558d99e6bec0), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Fail: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_741610, v('(', ')', end_of_file), n)
   Fail: (208) [system] arg(_742542, v('(', ')', end_of_file), n)
^  Fail: (207) [user] is_delimiter(n)
   Call: (207) [system] ')'==n
   Fail: (207) [system] ')'==n
   Call: (207) [system] get_char((0x558d99e6bec0), n)
   Exit: (207) [system] get_char((0x558d99e6bec0), n)
   Call: (207) [system] n=(\)
   Fail: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _749892)
   Call: (208) [system] peek_char((0x558d99e6bec0), _750826)
   Exit: (208) [system] peek_char((0x558d99e6bec0), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Fail: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_755546, v('(', ')', end_of_file), k)
   Fail: (209) [system] arg(_756478, v('(', ')', end_of_file), k)
^  Fail: (208) [user] is_delimiter(k)
   Call: (208) [system] ')'==k
   Fail: (208) [system] ')'==k
   Call: (208) [system] get_char((0x558d99e6bec0), k)
   Exit: (208) [system] get_char((0x558d99e6bec0), k)
   Call: (208) [system] k=(\)
   Fail: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _763828)
   Call: (209) [system] peek_char((0x558d99e6bec0), _764762)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _763828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _749892=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (207) [system] _735956=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (206) [system] _722020=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (205) [system] _708084=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (204) [system] _694148=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _660494)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_788042, _788044), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _660494), _788018, fail)), '$restore_trace'(_788042, _788044))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_788042, _788044))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _660494), _788018, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_660494)
   Fail: (204) [system] atomic(_660494)
   Call: (204) [system] atom_chars(_660494, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _797418)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _799276)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _807014)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _809718)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _824796)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _830366)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _832224)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _846378)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _830366)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _851948)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=(;)
   Fail: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Fail: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Fail: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Fail: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
   Fail: (206) [system] char_type('I', cntrl)
^  Fail: (205) [user] is_like_space('I')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _866102)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (204) [system] 'I'=')'
   Fail: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
   Fail: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _871672)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _873530)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _887684)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'='('
   Fail: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Fail: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Fail: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Fail: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Fail: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Fail: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Fail: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _871672)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _905326)
   Call: (207) [system] peek_char((0x558d99e6bec0), _906260)
   Exit: (207) [system] peek_char((0x558d99e6bec0), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Fail: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_910980, v('(', ')', end_of_file), m)
   Fail: (208) [system] arg(_911912, v('(', ')', end_of_file), m)
^  Fail: (207) [user] is_delimiter(m)
   Call: (207) [system] ')'==m
   Fail: (207) [system] ')'==m
   Call: (207) [system] get_char((0x558d99e6bec0), m)
   Exit: (207) [system] get_char((0x558d99e6bec0), m)
   Call: (207) [system] m=(\)
   Fail: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _919262)
   Call: (208) [system] peek_char((0x558d99e6bec0), _920196)
   Exit: (208) [system] peek_char((0x558d99e6bec0), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Fail: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_924916, v('(', ')', end_of_file), p)
   Fail: (209) [system] arg(_925848, v('(', ')', end_of_file), p)
^  Fail: (208) [user] is_delimiter(p)
   Call: (208) [system] ')'==p
   Fail: (208) [system] ')'==p
   Call: (208) [system] get_char((0x558d99e6bec0), p)
   Exit: (208) [system] get_char((0x558d99e6bec0), p)
   Call: (208) [system] p=(\)
   Fail: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _933198)
   Call: (209) [system] peek_char((0x558d99e6bec0), _934132)
   Exit: (209) [system] peek_char((0x558d99e6bec0), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Fail: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_938852, v('(', ')', end_of_file), l)
   Fail: (210) [system] arg(_939784, v('(', ')', end_of_file), l)
^  Fail: (209) [user] is_delimiter(l)
   Call: (209) [system] ')'==l
   Fail: (209) [system] ')'==l
   Call: (209) [system] get_char((0x558d99e6bec0), l)
   Exit: (209) [system] get_char((0x558d99e6bec0), l)
   Call: (209) [system] l=(\)
   Fail: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _947134)
   Call: (210) [system] peek_char((0x558d99e6bec0), _948068)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_952788, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_953720, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _961070)
   Call: (211) [system] peek_char((0x558d99e6bec0), _962004)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_966724, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_967656, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _975006)
   Call: (212) [system] peek_char((0x558d99e6bec0), _975940)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_980660, v('(', ')', end_of_file), a)
   Fail: (213) [system] arg(_981592, v('(', ')', end_of_file), a)
^  Fail: (212) [user] is_delimiter(a)
   Call: (212) [system] ')'==a
   Fail: (212) [system] ')'==a
   Call: (212) [system] get_char((0x558d99e6bec0), a)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(\)
   Fail: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _988942)
   Call: (213) [system] peek_char((0x558d99e6bec0), _989876)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_994596, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_995528, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1002878)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1003812)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1008532, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1009464, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1016814)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1017748)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1022468, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_1023400, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1030750)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1031684)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1036404, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1037336, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1044686)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1045620)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1044686=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _1030750=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (215) [system] _1016814=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (214) [system] _1002878=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (213) [system] _988942=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (212) [system] _975006=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (211) [system] _961070=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (210) [system] _947134=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (209) [system] _933198=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _919262=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _905326=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _871672)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1082870, _1082872), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _871672), _1082846, fail)), '$restore_trace'(_1082870, _1082872))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1082870, _1082872))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _871672), _1082846, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_871672)
   Fail: (207) [system] atomic(_871672)
   Call: (207) [system] atom_chars(_871672, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1092246)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1094104)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1101842)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1104546)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1119624)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1125194)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1127052)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1141206)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1125194)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1146776)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=(;)
   Fail: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Fail: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Fail: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Fail: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
   Fail: (209) [system] char_type('A', cntrl)
^  Fail: (208) [user] is_like_space('A')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1160930)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (207) [system] 'A'=')'
   Fail: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
   Fail: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1166500)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1168358)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1182512)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'='('
   Fail: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Fail: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Fail: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Fail: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Fail: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Fail: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Fail: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1166500)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1200154)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1201088)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1205808, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1206740, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1214090)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1215024)
   Exit: (211) [system] peek_char((0x558d99e6bec0), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Fail: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1219744, v('(', ')', end_of_file), d)
   Fail: (212) [system] arg(_1220676, v('(', ')', end_of_file), d)
^  Fail: (211) [user] is_delimiter(d)
   Call: (211) [system] ')'==d
   Fail: (211) [system] ')'==d
   Call: (211) [system] get_char((0x558d99e6bec0), d)
   Exit: (211) [system] get_char((0x558d99e6bec0), d)
   Call: (211) [system] d=(\)
   Fail: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1228026)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1228960)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1233680, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1234612, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1241962)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1242896)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1247616, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1248548, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1255898)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1256832)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1261552, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1262484, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1269834)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1270768)
   Exit: (215) [system] peek_char((0x558d99e6bec0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1275488, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1276420, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x558d99e6bec0), k)
   Exit: (215) [system] get_char((0x558d99e6bec0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1283770)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1284704)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1283770=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1269834=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (214) [system] _1255898=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (213) [system] _1241962=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (212) [system] _1228026=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (211) [system] _1214090=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (210) [system] _1200154=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1166500)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1310778, _1310780), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1166500), _1310754, fail)), '$restore_trace'(_1310778, _1310780))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1310778, _1310780))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1166500), _1310754, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1166500)
   Fail: (210) [system] atomic(_1166500)
   Call: (210) [system] atom_chars(_1166500, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1320154)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1322012)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1329750)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1332454)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1347532)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1353102)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1354960)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1369114)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1353102)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1386756)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1387690)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1386756=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('A', [], _1353102)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1397000, _1397002), once(user:catch(read_from_chars(['A'], _1353102), _1396976, fail)), '$restore_trace'(_1397000, _1397002))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1397000, _1397002))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1353102), _1396976, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1353102)
   Fail: (211) [system] atomic(_1353102)
   Call: (211) [system] atom_chars(_1353102, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1406376)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1408234)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1415972)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1418676)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1433754)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (209) [system] 'B'=')'
   Fail: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
   Fail: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1439324)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1441182)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'=(;)
   Fail: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Fail: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Fail: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Fail: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
   Fail: (212) [system] char_type('B', cntrl)
^  Fail: (211) [user] is_like_space('B')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1455336)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'='('
   Fail: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Fail: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Fail: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Fail: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Fail: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Fail: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Fail: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1439324)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1472978)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1473912)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1478632, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1472978=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('B', [], _1439324)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1485094, _1485096), once(user:catch(read_from_chars(['B'], _1439324), _1485070, fail)), '$restore_trace'(_1485094, _1485096))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1485094, _1485096))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1439324), _1485070, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1439324)
   Fail: (212) [system] atomic(_1439324)
   Call: (212) [system] atom_chars(_1439324, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1494470)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1496328)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1510482)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1514272)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1494470=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1406376=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (208) [system] _1320154=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (207) [system] _1125194=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1528154)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1530012)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1537750)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1540454)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1555532)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (206) [system] 'C'=')'
   Fail: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
   Fail: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1561102)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1562960)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=(;)
   Fail: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Fail: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Fail: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Fail: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
   Fail: (209) [system] char_type('C', cntrl)
^  Fail: (208) [user] is_like_space('C')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1577114)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'='('
   Fail: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Fail: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Fail: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Fail: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Fail: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Fail: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Fail: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1561102)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594756)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1595690)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1600410, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1594756=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq('C', [], _1561102)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1606872, _1606874), once(user:catch(read_from_chars(['C'], _1561102), _1606848, fail)), '$restore_trace'(_1606872, _1606874))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1606872, _1606874))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1561102), _1606848, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1561102)
   Fail: (209) [system] atomic(_1561102)
   Call: (209) [system] atom_chars(_1561102, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1616248)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1618106)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1632260)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _1636050)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _1616248=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1528154=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (205) [system] _1092246=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _830366=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1649932)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1651790)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1659528)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1662232)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1677310)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1682880)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1684738)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1698892)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1682880)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1704462)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1718616)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1724186)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1726044)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1740198)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1724186)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1757840)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1758774)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1763494, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1764426, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1771776)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1772710)
   Exit: (209) [system] peek_char((0x558d99e6bec0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1777430, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_1778362, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x558d99e6bec0), p)
   Exit: (209) [system] get_char((0x558d99e6bec0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1785712)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1786646)
   Exit: (210) [system] peek_char((0x558d99e6bec0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1791366, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1792298, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x558d99e6bec0), l)
   Exit: (210) [system] get_char((0x558d99e6bec0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1799648)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1800582)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1805302, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1806234, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1813584)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1814518)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1819238, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1820170, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1827520)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1828454)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_1833174, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_1834106, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x558d99e6bec0), a)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1841456)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1842390)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1847110, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1848042, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1855392)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1856326)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1861046, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1861978, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1869328)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1870262)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1874982, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1875914, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1883264)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1884198)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1888918, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1889850, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1897200)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1898134)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1897200=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1883264=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (216) [system] _1869328=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (215) [system] _1855392=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (214) [system] _1841456=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (213) [system] _1827520=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (212) [system] _1813584=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (211) [system] _1799648=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (210) [system] _1785712=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _1771776=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _1757840=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1724186)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1935384, _1935386), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1724186), _1935360, fail)), '$restore_trace'(_1935384, _1935386))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1935384, _1935386))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1724186), _1935360, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1724186)
   Fail: (208) [system] atomic(_1724186)
   Call: (208) [system] atom_chars(_1724186, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1944760)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1946618)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1954356)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1957060)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1972138)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1977708)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1979566)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1993720)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1977708)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1999290)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _2013444)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _2019014)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2020872)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _2035026)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _2019014)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2052668)
   Call: (211) [system] peek_char((0x558d99e6bec0), _2053602)
   Exit: (211) [system] peek_char((0x558d99e6bec0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_2058322, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_2059254, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x558d99e6bec0), r)
   Exit: (211) [system] get_char((0x558d99e6bec0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2066604)
   Call: (212) [system] peek_char((0x558d99e6bec0), _2067538)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_2072258, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_2073190, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2080540)
   Call: (213) [system] peek_char((0x558d99e6bec0), _2081474)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_2086194, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_2087126, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2094476)
   Call: (214) [system] peek_char((0x558d99e6bec0), _2095410)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_7374, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_8306, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _15656)
   Call: (215) [system] peek_char((0x558d99e6bec0), _16590)
   Exit: (215) [system] peek_char((0x558d99e6bec0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_21310, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_22242, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x558d99e6bec0), k)
   Exit: (215) [system] get_char((0x558d99e6bec0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _29592)
   Call: (216) [system] peek_char((0x558d99e6bec0), _30526)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _29592=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _15656=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (214) [system] _3984=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (213) [system] _3980=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (212) [system] _3976=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (211) [system] _3972=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _3968)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_53806, _53808), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _3968), _53782, fail)), '$restore_trace'(_53806, _53808))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_53806, _53808))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _3968), _53782, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_3968)
   Fail: (211) [system] atomic(_3968)
   Call: (211) [system] atom_chars(_3968, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _63182)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _65040)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _72778)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _75482)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _90560)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _96130)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _97988)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _112142)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _96130)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _129784)
   Call: (212) [system] peek_char((0x558d99e6bec0), _130718)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _129784=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('C', [], _96130)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_140028, _140030), once(user:catch(read_from_chars(['C'], _96130), _140004, fail)), '$restore_trace'(_140028, _140030))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_140028, _140030))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _96130), _140004, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_96130)
   Fail: (212) [system] atomic(_96130)
   Call: (212) [system] atom_chars(_96130, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _149404)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _151262)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _159000)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _161704)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _176782)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _182352)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _184210)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _198364)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _182352)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _216006)
   Call: (213) [system] peek_char((0x558d99e6bec0), _216940)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_221660, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _216006=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('D', [], _182352)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_228122, _228124), once(user:catch(read_from_chars(['D'], _182352), _228098, fail)), '$restore_trace'(_228122, _228124))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_228122, _228124))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _182352), _228098, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_182352)
   Fail: (213) [system] atomic(_182352)
   Call: (213) [system] atom_chars(_182352, ['D'])
   Exit: (213) [system] atom_chars('D', ['D'])
^  Exit: (212) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _237498)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _239356)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _253510)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _257300)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _237498=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _149404=['D']
   Exit: (210) [system] ['D']=['D']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (209) [system] _63182=['C', 'D']
   Exit: (209) [system] ['C', 'D']=['C', 'D']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (208) [system] _3962=['OrLink', 'C', 'D']
   Exit: (208) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _271182)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _273040)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _280778)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _283482)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _298560)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (207) [system] 'E'=')'
   Fail: (207) [system] 'E'=')'
   Call: (207) [system] 'E'=end_of_file
   Fail: (207) [system] 'E'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _304130)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _305988)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (209) [system] 'E'=(;)
   Fail: (209) [system] 'E'=(;)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Fail: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Fail: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Fail: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
   Fail: (210) [system] char_type('E', cntrl)
^  Fail: (209) [user] is_like_space('E')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _320142)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'E')
   Call: (208) [system] 'E'='('
   Fail: (208) [system] 'E'='('
   Call: (208) [system] 'E'='['
   Fail: (208) [system] 'E'='['
   Call: (208) [system] 'E'='{'
   Fail: (208) [system] 'E'='{'
   Call: (208) [system] 'E'='"'
   Fail: (208) [system] 'E'='"'
   Call: (208) [system] 'E'=!
   Fail: (208) [system] 'E'=!
   Call: (208) [system] 'E'='\''
   Fail: (208) [system] 'E'='\''
   Call: (208) [system] 'E'='`'
   Fail: (208) [system] 'E'='`'
   Call: (208) [system] 'E'=end_of_file
   Fail: (208) [system] 'E'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _304130)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _337784)
   Call: (210) [system] peek_char((0x558d99e6bec0), _338718)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_343438, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _337784=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('E', [], _304130)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_349900, _349902), once(user:catch(read_from_chars(['E'], _304130), _349876, fail)), '$restore_trace'(_349900, _349902))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_349900, _349902))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _304130), _349876, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_304130)
   Fail: (210) [system] atomic(_304130)
   Call: (210) [system] atom_chars(_304130, ['E'])
   Exit: (210) [system] atom_chars('E', ['E'])
^  Exit: (209) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _359276)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _361134)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _375288)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _379078)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _359276=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _271182=['E']
   Exit: (207) [system] ['E']=['E']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (206) [system] _3958=[['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (205) [system] _3950=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _392960)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _394818)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _408972)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _412762)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _392960=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _3946=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (203) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (202) [system] _3904=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3896=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _426644)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _428502)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=(;)
   Fail: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Fail: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Fail: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Fail: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
   Fail: (202) [system] char_type(')', cntrl)
^  Fail: (201) [user] is_like_space(')')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _442656)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x558d99e6bec0), _446446)
   Exit: (200) [system] get_char((0x558d99e6bec0), ')')
   Call: (200) [system] _426644=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (199) [system] _3892=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (199) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (198) [system] _3868=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3860=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (195) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (195) [user] read_list(')', (0x558d99e6bec0), _460328)
^  Call: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _462186)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (197) [system] '\n'=(;)
   Fail: (197) [system] '\n'=(;)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Fail: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x558d99e6bec0), _471780)
   Exit: (197) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _474484)
   Exit: (198) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (198) [system] ' '=(;)
   Fail: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x558d99e6bec0), _482222)
   Exit: (198) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _484926)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (196) [user] skip_spaces((0x558d99e6bec0))
   Call: (196) [system] peek_char((0x558d99e6bec0), _500928)
   Exit: (196) [system] peek_char((0x558d99e6bec0), '(')
   Call: (196) [system] '('=')'
   Fail: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
   Fail: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x558d99e6bec0), _506498)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _508356)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=(;)
   Fail: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Fail: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Fail: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Fail: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
   Fail: (199) [system] char_type('(', cntrl)
^  Fail: (198) [user] is_like_space('(')
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] get_char((0x558d99e6bec0), _522510)
   Exit: (197) [system] get_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _506498)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _528080)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=(;)
   Fail: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Fail: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Fail: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Fail: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
   Fail: (200) [system] char_type(:, cntrl)
^  Fail: (199) [user] is_like_space(:)
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _542234)
   Exit: (198) [system] peek_char((0x558d99e6bec0), :)
   Call: (198) [system] (:)=')'
   Fail: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
   Fail: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _547804)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _549662)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _563816)
   Exit: (199) [system] get_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)='('
   Fail: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Fail: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Fail: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Fail: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Fail: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Fail: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Fail: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, _547804)
^  Call: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), _581458)
   Call: (201) [system] peek_char((0x558d99e6bec0), _582392)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _581458=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _547804)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_591702, _591704), once(user:catch(read_from_chars([:], _547804), _591678, fail)), '$restore_trace'(_591702, _591704))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_591702, _591704))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _591678, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _599202)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _601060)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _608798)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _611502)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _626580)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _632150)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _634008)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _648162)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _632150)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _653732)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (202) [system] 'D'=(;)
   Fail: (202) [system] 'D'=(;)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Fail: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Fail: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Fail: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
   Fail: (203) [system] char_type('D', cntrl)
^  Fail: (202) [user] is_like_space('D')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _667886)
   Exit: (201) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (201) [system] 'D'=')'
   Fail: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
   Fail: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _673456)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _675314)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _689468)
   Exit: (202) [system] get_char((0x558d99e6bec0), 'D')
   Call: (202) [system] 'D'='('
   Fail: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Fail: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Fail: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Fail: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Fail: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Fail: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Fail: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _673456)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _707110)
   Call: (204) [system] peek_char((0x558d99e6bec0), _708044)
   Exit: (204) [system] peek_char((0x558d99e6bec0), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Fail: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_712764, v('(', ')', end_of_file), i)
   Fail: (205) [system] arg(_713696, v('(', ')', end_of_file), i)
^  Fail: (204) [user] is_delimiter(i)
   Call: (204) [system] ')'==i
   Fail: (204) [system] ')'==i
   Call: (204) [system] get_char((0x558d99e6bec0), i)
   Exit: (204) [system] get_char((0x558d99e6bec0), i)
   Call: (204) [system] i=(\)
   Fail: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _721046)
   Call: (205) [system] peek_char((0x558d99e6bec0), _721980)
   Exit: (205) [system] peek_char((0x558d99e6bec0), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Fail: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_726700, v('(', ')', end_of_file), s)
   Fail: (206) [system] arg(_727632, v('(', ')', end_of_file), s)
^  Fail: (205) [user] is_delimiter(s)
   Call: (205) [system] ')'==s
   Fail: (205) [system] ')'==s
   Call: (205) [system] get_char((0x558d99e6bec0), s)
   Exit: (205) [system] get_char((0x558d99e6bec0), s)
   Call: (205) [system] s=(\)
   Fail: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _734982)
   Call: (206) [system] peek_char((0x558d99e6bec0), _735916)
   Exit: (206) [system] peek_char((0x558d99e6bec0), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Fail: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_740636, v('(', ')', end_of_file), j)
   Fail: (207) [system] arg(_741568, v('(', ')', end_of_file), j)
^  Fail: (206) [user] is_delimiter(j)
   Call: (206) [system] ')'==j
   Fail: (206) [system] ')'==j
   Call: (206) [system] get_char((0x558d99e6bec0), j)
   Exit: (206) [system] get_char((0x558d99e6bec0), j)
   Call: (206) [system] j=(\)
   Fail: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _748918)
   Call: (207) [system] peek_char((0x558d99e6bec0), _749852)
   Exit: (207) [system] peek_char((0x558d99e6bec0), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Fail: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_754572, v('(', ')', end_of_file), u)
   Fail: (208) [system] arg(_755504, v('(', ')', end_of_file), u)
^  Fail: (207) [user] is_delimiter(u)
   Call: (207) [system] ')'==u
   Fail: (207) [system] ')'==u
   Call: (207) [system] get_char((0x558d99e6bec0), u)
   Exit: (207) [system] get_char((0x558d99e6bec0), u)
   Call: (207) [system] u=(\)
   Fail: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _762854)
   Call: (208) [system] peek_char((0x558d99e6bec0), _763788)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_768508, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_769440, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _776790)
   Call: (209) [system] peek_char((0x558d99e6bec0), _777724)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_782444, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_783376, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x558d99e6bec0), c)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _790726)
   Call: (210) [system] peek_char((0x558d99e6bec0), _791660)
   Exit: (210) [system] peek_char((0x558d99e6bec0), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Fail: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_796380, v('(', ')', end_of_file), t)
   Fail: (211) [system] arg(_797312, v('(', ')', end_of_file), t)
^  Fail: (210) [user] is_delimiter(t)
   Call: (210) [system] ')'==t
   Fail: (210) [system] ')'==t
   Call: (210) [system] get_char((0x558d99e6bec0), t)
   Exit: (210) [system] get_char((0x558d99e6bec0), t)
   Call: (210) [system] t=(\)
   Fail: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _804662)
   Call: (211) [system] peek_char((0x558d99e6bec0), _805596)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_810316, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_811248, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _818598)
   Call: (212) [system] peek_char((0x558d99e6bec0), _819532)
   Exit: (212) [system] peek_char((0x558d99e6bec0), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Fail: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_824252, v('(', ')', end_of_file), o)
   Fail: (213) [system] arg(_825184, v('(', ')', end_of_file), o)
^  Fail: (212) [user] is_delimiter(o)
   Call: (212) [system] ')'==o
   Fail: (212) [system] ')'==o
   Call: (212) [system] get_char((0x558d99e6bec0), o)
   Exit: (212) [system] get_char((0x558d99e6bec0), o)
   Call: (212) [system] o=(\)
   Fail: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _832534)
   Call: (213) [system] peek_char((0x558d99e6bec0), _833468)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_838188, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_839120, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _846470)
   Call: (214) [system] peek_char((0x558d99e6bec0), _847404)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_852124, v('(', ')', end_of_file), 'I')
   Fail: (215) [system] arg(_853056, v('(', ')', end_of_file), 'I')
^  Fail: (214) [user] is_delimiter('I')
   Call: (214) [system] ')'=='I'
   Fail: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(\)
   Fail: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _860406)
   Call: (215) [system] peek_char((0x558d99e6bec0), _861340)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_866060, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_866992, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _874342)
   Call: (216) [system] peek_char((0x558d99e6bec0), _875276)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_879996, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_880928, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _888278)
   Call: (217) [system] peek_char((0x558d99e6bec0), _889212)
   Exit: (217) [system] peek_char((0x558d99e6bec0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_893932, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_894864, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x558d99e6bec0), r)
   Exit: (217) [system] get_char((0x558d99e6bec0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _902214)
   Call: (218) [system] peek_char((0x558d99e6bec0), _903148)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_907868, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_908800, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _916150)
   Call: (219) [system] peek_char((0x558d99e6bec0), _917084)
   Exit: (219) [system] peek_char((0x558d99e6bec0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_921804, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_922736, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x558d99e6bec0), d)
   Exit: (219) [system] get_char((0x558d99e6bec0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _930086)
   Call: (220) [system] peek_char((0x558d99e6bec0), _931020)
   Exit: (220) [system] peek_char((0x558d99e6bec0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_935740, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_936672, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x558d99e6bec0), u)
   Exit: (220) [system] get_char((0x558d99e6bec0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _944022)
   Call: (221) [system] peek_char((0x558d99e6bec0), _944956)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_949676, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_950608, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _957958)
   Call: (222) [system] peek_char((0x558d99e6bec0), _958892)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_963612, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_964544, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _971894)
   Call: (223) [system] peek_char((0x558d99e6bec0), _972828)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_977548, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_978480, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _985830)
   Call: (224) [system] peek_char((0x558d99e6bec0), _986764)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_991484, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_992416, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _999766)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1000700)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1005420, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1006352, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1013702)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1014636)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1013702=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _999766=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (224) [system] _985830=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (223) [system] _971894=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (222) [system] _957958=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (221) [system] _944022=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (220) [system] _930086=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (219) [system] _916150=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (218) [system] _902214=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _888278=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _874342=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _860406=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _846470=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _832534=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _818598=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _804662=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _790726=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _776790=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _762854=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _748918=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _734982=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _721046=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _707110=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _673456)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1085414, _1085416), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _673456), _1085390, fail)), '$restore_trace'(_1085414, _1085416))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1085414, _1085416))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _673456), _1085390, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_673456)
   Fail: (204) [system] atomic(_673456)
   Call: (204) [system] atom_chars(_673456, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1094790)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1096648)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _1104386)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1107090)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1122168)
   Exit: (202) [system] peek_char((0x558d99e6bec0), a)
   Call: (202) [system] a=')'
   Fail: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
   Fail: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1127738)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1129596)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=(;)
   Fail: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Fail: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Fail: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Fail: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
   Fail: (205) [system] char_type(a, cntrl)
^  Fail: (204) [user] is_like_space(a)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1143750)
   Exit: (203) [system] get_char((0x558d99e6bec0), a)
   Call: (203) [system] a='('
   Fail: (203) [system] a='('
   Call: (203) [system] a='['
   Fail: (203) [system] a='['
   Call: (203) [system] a='{'
   Fail: (203) [system] a='{'
   Call: (203) [system] a='"'
   Fail: (203) [system] a='"'
   Call: (203) [system] a=!
   Fail: (203) [system] a=!
   Call: (203) [system] a='\''
   Fail: (203) [system] a='\''
   Call: (203) [system] a='`'
   Fail: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), a, _1127738)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1161392)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1162326)
   Exit: (205) [system] peek_char((0x558d99e6bec0), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Fail: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_1167046, v('(', ')', end_of_file), b)
   Fail: (206) [system] arg(_1167978, v('(', ')', end_of_file), b)
^  Fail: (205) [user] is_delimiter(b)
   Call: (205) [system] ')'==b
   Fail: (205) [system] ')'==b
   Call: (205) [system] get_char((0x558d99e6bec0), b)
   Exit: (205) [system] get_char((0x558d99e6bec0), b)
   Call: (205) [system] b=(\)
   Fail: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1175328)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1176262)
   Exit: (206) [system] peek_char((0x558d99e6bec0), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Fail: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1180982, v('(', ')', end_of_file), c)
   Fail: (207) [system] arg(_1181914, v('(', ')', end_of_file), c)
^  Fail: (206) [user] is_delimiter(c)
   Call: (206) [system] ')'==c
   Fail: (206) [system] ')'==c
   Call: (206) [system] get_char((0x558d99e6bec0), c)
   Exit: (206) [system] get_char((0x558d99e6bec0), c)
   Call: (206) [system] c=(\)
   Fail: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1189264)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1190198)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1189264=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (206) [system] _1175328=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (205) [system] _1161392=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (204) [user] classify_and_convert_charseq(a, [b, c], _1127738)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1205096, _1205098), once(user:catch(read_from_chars([a, b, c], _1127738), _1205072, fail)), '$restore_trace'(_1205096, _1205098))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1205096, _1205098))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1205072, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1212596)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1214454)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1222192)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1224896)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1239974)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1245544)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1247402)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1261556)
   Exit: (204) [system] get_char((0x558d99e6bec0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), a, _1245544)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1279198)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1280132)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1284852, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1279198=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq(a, [], _1245544)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1291314, _1291316), once(user:catch(read_from_chars([a], _1245544), _1291290, fail)), '$restore_trace'(_1291314, _1291316))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1291314, _1291316))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1291290, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(a)
   Exit: (206) [system] atomic(a)
^  Exit: (205) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1298814)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1300672)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1314826)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _1318616)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _1298814=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _1212596=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (202) [system] _1094790=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (201) [system] _632150=['DisjunctionIntroduction', abc, a]
   Exit: (201) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _1332498)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1334356)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _1342094)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1344798)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1359876)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1365446)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1367304)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1381458)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1365446)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1387028)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (203) [system] 'O'=(;)
   Fail: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Fail: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Fail: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Fail: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
   Fail: (204) [system] char_type('O', cntrl)
^  Fail: (203) [user] is_like_space('O')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1401182)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (202) [system] 'O'=')'
   Fail: (202) [system] 'O'=')'
   Call: (202) [system] 'O'=end_of_file
   Fail: (202) [system] 'O'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1406752)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1408610)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (204) [system] 'O'=(;)
   Fail: (204) [system] 'O'=(;)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Fail: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Fail: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Fail: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
   Fail: (205) [system] char_type('O', cntrl)
^  Fail: (204) [user] is_like_space('O')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1422764)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'O')
   Call: (203) [system] 'O'='('
   Fail: (203) [system] 'O'='('
   Call: (203) [system] 'O'='['
   Fail: (203) [system] 'O'='['
   Call: (203) [system] 'O'='{'
   Fail: (203) [system] 'O'='{'
   Call: (203) [system] 'O'='"'
   Fail: (203) [system] 'O'='"'
   Call: (203) [system] 'O'=!
   Fail: (203) [system] 'O'=!
   Call: (203) [system] 'O'='\''
   Fail: (203) [system] 'O'='\''
   Call: (203) [system] 'O'='`'
   Fail: (203) [system] 'O'='`'
   Call: (203) [system] 'O'=end_of_file
   Fail: (203) [system] 'O'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1406752)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1440406)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1441340)
   Exit: (205) [system] peek_char((0x558d99e6bec0), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Fail: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1446060, v('(', ')', end_of_file), r)
   Fail: (206) [system] arg(_1446992, v('(', ')', end_of_file), r)
^  Fail: (205) [user] is_delimiter(r)
   Call: (205) [system] ')'==r
   Fail: (205) [system] ')'==r
   Call: (205) [system] get_char((0x558d99e6bec0), r)
   Exit: (205) [system] get_char((0x558d99e6bec0), r)
   Call: (205) [system] r=(\)
   Fail: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1454342)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1455276)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Fail: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1459996, v('(', ')', end_of_file), 'L')
   Fail: (207) [system] arg(_1460928, v('(', ')', end_of_file), 'L')
^  Fail: (206) [user] is_delimiter('L')
   Call: (206) [system] ')'=='L'
   Fail: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (206) [system] get_char((0x558d99e6bec0), 'L')
   Call: (206) [system] 'L'=(\)
   Fail: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1468278)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1469212)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1473932, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_1474864, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1482214)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1483148)
   Exit: (208) [system] peek_char((0x558d99e6bec0), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Fail: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1487868, v('(', ')', end_of_file), n)
   Fail: (209) [system] arg(_1488800, v('(', ')', end_of_file), n)
^  Fail: (208) [user] is_delimiter(n)
   Call: (208) [system] ')'==n
   Fail: (208) [system] ')'==n
   Call: (208) [system] get_char((0x558d99e6bec0), n)
   Exit: (208) [system] get_char((0x558d99e6bec0), n)
   Call: (208) [system] n=(\)
   Fail: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1496150)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1497084)
   Exit: (209) [system] peek_char((0x558d99e6bec0), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Fail: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1501804, v('(', ')', end_of_file), k)
   Fail: (210) [system] arg(_1502736, v('(', ')', end_of_file), k)
^  Fail: (209) [user] is_delimiter(k)
   Call: (209) [system] ')'==k
   Fail: (209) [system] ')'==k
   Call: (209) [system] get_char((0x558d99e6bec0), k)
   Exit: (209) [system] get_char((0x558d99e6bec0), k)
   Call: (209) [system] k=(\)
   Fail: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1510086)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1511020)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1510086=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1496150=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (208) [system] _1482214=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (207) [system] _1468278=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (206) [system] _1454342=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (205) [system] _1440406=[r, 'L', i, n, k]
   Exit: (205) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1406752)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1534300, _1534302), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1406752), _1534276, fail)), '$restore_trace'(_1534300, _1534302))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1534300, _1534302))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1406752), _1534276, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1406752)
   Fail: (205) [system] atomic(_1406752)
   Call: (205) [system] atom_chars(_1406752, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1543676)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1545534)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1553272)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1555976)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1571054)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1576624)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1578482)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1592636)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1576624)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1598206)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=(;)
   Fail: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Fail: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Fail: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Fail: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
   Fail: (207) [system] char_type('I', cntrl)
^  Fail: (206) [user] is_like_space('I')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1612360)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (205) [system] 'I'=')'
   Fail: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
   Fail: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1617930)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1619788)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1633942)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'='('
   Fail: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Fail: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Fail: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Fail: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Fail: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Fail: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Fail: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1617930)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1651584)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1652518)
   Exit: (208) [system] peek_char((0x558d99e6bec0), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Fail: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1657238, v('(', ')', end_of_file), m)
   Fail: (209) [system] arg(_1658170, v('(', ')', end_of_file), m)
^  Fail: (208) [user] is_delimiter(m)
   Call: (208) [system] ')'==m
   Fail: (208) [system] ')'==m
   Call: (208) [system] get_char((0x558d99e6bec0), m)
   Exit: (208) [system] get_char((0x558d99e6bec0), m)
   Call: (208) [system] m=(\)
   Fail: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1665520)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1666454)
   Exit: (209) [system] peek_char((0x558d99e6bec0), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Fail: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1671174, v('(', ')', end_of_file), p)
   Fail: (210) [system] arg(_1672106, v('(', ')', end_of_file), p)
^  Fail: (209) [user] is_delimiter(p)
   Call: (209) [system] ')'==p
   Fail: (209) [system] ')'==p
   Call: (209) [system] get_char((0x558d99e6bec0), p)
   Exit: (209) [system] get_char((0x558d99e6bec0), p)
   Call: (209) [system] p=(\)
   Fail: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1679456)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1680390)
   Exit: (210) [system] peek_char((0x558d99e6bec0), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Fail: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1685110, v('(', ')', end_of_file), l)
   Fail: (211) [system] arg(_1686042, v('(', ')', end_of_file), l)
^  Fail: (210) [user] is_delimiter(l)
   Call: (210) [system] ')'==l
   Fail: (210) [system] ')'==l
   Call: (210) [system] get_char((0x558d99e6bec0), l)
   Exit: (210) [system] get_char((0x558d99e6bec0), l)
   Call: (210) [system] l=(\)
   Fail: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1693392)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1694326)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1699046, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1699978, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1707328)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1708262)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1712982, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1713914, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1721264)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1722198)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_1726918, v('(', ')', end_of_file), a)
   Fail: (214) [system] arg(_1727850, v('(', ')', end_of_file), a)
^  Fail: (213) [user] is_delimiter(a)
   Call: (213) [system] ')'==a
   Fail: (213) [system] ')'==a
   Call: (213) [system] get_char((0x558d99e6bec0), a)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(\)
   Fail: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1735200)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1736134)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1740854, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1741786, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1749136)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1750070)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1754790, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1755722, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1763072)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1764006)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1768726, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1769658, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1777008)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1777942)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1782662, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1783594, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1790944)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1791878)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1790944=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1777008=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (216) [system] _1763072=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (215) [system] _1749136=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (214) [system] _1735200=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (213) [system] _1721264=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (212) [system] _1707328=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (211) [system] _1693392=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (210) [system] _1679456=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _1665520=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _1651584=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1617930)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1829128, _1829130), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1617930), _1829104, fail)), '$restore_trace'(_1829128, _1829130))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1829128, _1829130))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1617930), _1829104, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1617930)
   Fail: (208) [system] atomic(_1617930)
   Call: (208) [system] atom_chars(_1617930, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1838504)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1840362)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1848100)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1850804)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1865882)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1871452)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1873310)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1887464)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1871452)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1893034)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=(;)
   Fail: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Fail: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Fail: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Fail: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
   Fail: (210) [system] char_type('A', cntrl)
^  Fail: (209) [user] is_like_space('A')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1907188)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (208) [system] 'A'=')'
   Fail: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
   Fail: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1912758)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1914616)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1928770)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'='('
   Fail: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Fail: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Fail: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Fail: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Fail: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Fail: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Fail: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1912758)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1946412)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1947346)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1952066, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_1952998, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1960348)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1961282)
   Exit: (212) [system] peek_char((0x558d99e6bec0), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Fail: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1966002, v('(', ')', end_of_file), d)
   Fail: (213) [system] arg(_1966934, v('(', ')', end_of_file), d)
^  Fail: (212) [user] is_delimiter(d)
   Call: (212) [system] ')'==d
   Fail: (212) [system] ')'==d
   Call: (212) [system] get_char((0x558d99e6bec0), d)
   Exit: (212) [system] get_char((0x558d99e6bec0), d)
   Call: (212) [system] d=(\)
   Fail: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1974284)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1975218)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1979938, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1980870, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1988220)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1989154)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1993874, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1994806, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2002156)
   Call: (215) [system] peek_char((0x558d99e6bec0), _2003090)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_2007810, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_2008742, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2016092)
   Call: (216) [system] peek_char((0x558d99e6bec0), _2017026)
   Exit: (216) [system] peek_char((0x558d99e6bec0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_2021746, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_2022678, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x558d99e6bec0), k)
   Exit: (216) [system] get_char((0x558d99e6bec0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2030028)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2030962)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _2030028=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _2016092=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (215) [system] _2002156=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (214) [system] _1988220=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (213) [system] _1974284=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (212) [system] _1960348=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (211) [system] _1946412=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1912758)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2057036, _2057038), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1912758), _2057012, fail)), '$restore_trace'(_2057036, _2057038))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2057036, _2057038))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1912758), _2057012, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1912758)
   Fail: (211) [system] atomic(_1912758)
   Call: (211) [system] atom_chars(_1912758, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _2066412)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2068270)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _2076008)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2078712)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _2093790)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _6630)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _8488)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _22642)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _6630)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40284)
   Call: (212) [system] peek_char((0x558d99e6bec0), _41218)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _40284=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('A', [], _6630)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_50528, _50530), once(user:catch(read_from_chars(['A'], _6630), _50504, fail)), '$restore_trace'(_50528, _50530))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_50528, _50530))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _6630), _50504, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_6630)
   Fail: (212) [system] atomic(_6630)
   Call: (212) [system] atom_chars(_6630, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _59904)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _61762)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _69500)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _72204)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _87282)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _92852)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _94710)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _108864)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _92852)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _126506)
   Call: (213) [system] peek_char((0x558d99e6bec0), _127440)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_132160, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _126506=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('B', [], _92852)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_138622, _138624), once(user:catch(read_from_chars(['B'], _92852), _138598, fail)), '$restore_trace'(_138622, _138624))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_138622, _138624))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _92852), _138598, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_92852)
   Fail: (213) [system] atomic(_92852)
   Call: (213) [system] atom_chars(_92852, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _147998)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _149856)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _164010)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _167800)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _147998=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _59904=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (209) [system] _4060=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (208) [system] _4052=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _181682)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _183540)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _191278)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _193982)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _209060)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (207) [system] 'C'=')'
   Fail: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
   Fail: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _214630)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _216488)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=(;)
   Fail: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Fail: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Fail: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Fail: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
   Fail: (210) [system] char_type('C', cntrl)
^  Fail: (209) [user] is_like_space('C')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _230642)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'='('
   Fail: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Fail: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Fail: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Fail: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Fail: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Fail: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Fail: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _214630)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _248284)
   Call: (210) [system] peek_char((0x558d99e6bec0), _249218)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_253938, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _248284=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq('C', [], _214630)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_260400, _260402), once(user:catch(read_from_chars(['C'], _214630), _260376, fail)), '$restore_trace'(_260400, _260402))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_260400, _260402))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _214630), _260376, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_214630)
   Fail: (210) [system] atomic(_214630)
   Call: (210) [system] atom_chars(_214630, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _269776)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _271634)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _285788)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _289578)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _269776=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _181682=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (206) [system] _4048=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _4040=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _303460)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _305318)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _313056)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _315760)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _330838)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (204) [system] 'A'=')'
   Fail: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
   Fail: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _336408)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _338266)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (206) [system] 'A'=(;)
   Fail: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Fail: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Fail: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Fail: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
   Fail: (207) [system] char_type('A', cntrl)
^  Fail: (206) [user] is_like_space('A')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _352420)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'A')
   Call: (205) [system] 'A'='('
   Fail: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Fail: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Fail: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Fail: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Fail: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Fail: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Fail: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
   Fail: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _336408)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _370062)
   Call: (207) [system] peek_char((0x558d99e6bec0), _370996)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_375716, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _370062=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (206) [user] classify_and_convert_charseq('A', [], _336408)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_382178, _382180), once(user:catch(read_from_chars(['A'], _336408), _382154, fail)), '$restore_trace'(_382178, _382180))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_382178, _382180))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _336408), _382154, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_336408)
   Fail: (207) [system] atomic(_336408)
   Call: (207) [system] atom_chars(_336408, ['A'])
   Exit: (207) [system] atom_chars('A', ['A'])
^  Exit: (206) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _391554)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _393412)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _407566)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _411356)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _391554=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _303460=['A']
   Exit: (204) [system] ['A']=['A']
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (203) [system] _4036=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (202) [system] _4028=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _425238)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _427096)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=(;)
   Fail: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Fail: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Fail: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Fail: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
   Fail: (203) [system] char_type(')', cntrl)
^  Fail: (202) [user] is_like_space(')')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _441250)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x558d99e6bec0), _445040)
   Exit: (201) [system] get_char((0x558d99e6bec0), ')')
   Call: (201) [system] _425238=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (200) [system] _4024=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (200) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (199) [system] _4000=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3992=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (196) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (196) [user] read_list(')', (0x558d99e6bec0), _458922)
^  Call: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _460780)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (198) [system] '\n'=(;)
   Fail: (198) [system] '\n'=(;)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Fail: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x558d99e6bec0), _470374)
   Exit: (198) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _473078)
   Exit: (199) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (199) [system] ' '=(;)
   Fail: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x558d99e6bec0), _480816)
   Exit: (199) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _483520)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (197) [user] skip_spaces((0x558d99e6bec0))
   Call: (197) [system] peek_char((0x558d99e6bec0), _499522)
   Exit: (197) [system] peek_char((0x558d99e6bec0), '(')
   Call: (197) [system] '('=')'
   Fail: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
   Fail: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x558d99e6bec0), _505092)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _506950)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=(;)
   Fail: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Fail: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Fail: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Fail: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
   Fail: (200) [system] char_type('(', cntrl)
^  Fail: (199) [user] is_like_space('(')
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] get_char((0x558d99e6bec0), _521104)
   Exit: (198) [system] get_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _505092)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _526674)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=(;)
   Fail: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Fail: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Fail: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Fail: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
   Fail: (201) [system] char_type(:, cntrl)
^  Fail: (200) [user] is_like_space(:)
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _540828)
   Exit: (199) [system] peek_char((0x558d99e6bec0), :)
   Call: (199) [system] (:)=')'
   Fail: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
   Fail: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _546398)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _548256)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _562410)
   Exit: (200) [system] get_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)='('
   Fail: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Fail: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Fail: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Fail: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Fail: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Fail: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Fail: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, _546398)
^  Call: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), _580052)
   Call: (202) [system] peek_char((0x558d99e6bec0), _580986)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _580052=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _546398)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_590296, _590298), once(user:catch(read_from_chars([:], _546398), _590272, fail)), '$restore_trace'(_590296, _590298))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_590296, _590298))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _590272, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _597796)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _599654)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _607392)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _610096)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _625174)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _630744)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _632602)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _646756)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _630744)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _652326)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=(;)
   Fail: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Fail: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Fail: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Fail: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
   Fail: (204) [system] char_type('D', cntrl)
^  Fail: (203) [user] is_like_space('D')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _666480)
   Exit: (202) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (202) [system] 'D'=')'
   Fail: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
   Fail: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _672050)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _673908)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _688062)
   Exit: (203) [system] get_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'='('
   Fail: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Fail: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Fail: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Fail: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Fail: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Fail: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Fail: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _672050)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _705704)
   Call: (205) [system] peek_char((0x558d99e6bec0), _706638)
   Exit: (205) [system] peek_char((0x558d99e6bec0), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Fail: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_711358, v('(', ')', end_of_file), i)
   Fail: (206) [system] arg(_712290, v('(', ')', end_of_file), i)
^  Fail: (205) [user] is_delimiter(i)
   Call: (205) [system] ')'==i
   Fail: (205) [system] ')'==i
   Call: (205) [system] get_char((0x558d99e6bec0), i)
   Exit: (205) [system] get_char((0x558d99e6bec0), i)
   Call: (205) [system] i=(\)
   Fail: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _719640)
   Call: (206) [system] peek_char((0x558d99e6bec0), _720574)
   Exit: (206) [system] peek_char((0x558d99e6bec0), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Fail: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_725294, v('(', ')', end_of_file), s)
   Fail: (207) [system] arg(_726226, v('(', ')', end_of_file), s)
^  Fail: (206) [user] is_delimiter(s)
   Call: (206) [system] ')'==s
   Fail: (206) [system] ')'==s
   Call: (206) [system] get_char((0x558d99e6bec0), s)
   Exit: (206) [system] get_char((0x558d99e6bec0), s)
   Call: (206) [system] s=(\)
   Fail: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _733576)
   Call: (207) [system] peek_char((0x558d99e6bec0), _734510)
   Exit: (207) [system] peek_char((0x558d99e6bec0), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Fail: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_739230, v('(', ')', end_of_file), j)
   Fail: (208) [system] arg(_740162, v('(', ')', end_of_file), j)
^  Fail: (207) [user] is_delimiter(j)
   Call: (207) [system] ')'==j
   Fail: (207) [system] ')'==j
   Call: (207) [system] get_char((0x558d99e6bec0), j)
   Exit: (207) [system] get_char((0x558d99e6bec0), j)
   Call: (207) [system] j=(\)
   Fail: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _747512)
   Call: (208) [system] peek_char((0x558d99e6bec0), _748446)
   Exit: (208) [system] peek_char((0x558d99e6bec0), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Fail: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_753166, v('(', ')', end_of_file), u)
   Fail: (209) [system] arg(_754098, v('(', ')', end_of_file), u)
^  Fail: (208) [user] is_delimiter(u)
   Call: (208) [system] ')'==u
   Fail: (208) [system] ')'==u
   Call: (208) [system] get_char((0x558d99e6bec0), u)
   Exit: (208) [system] get_char((0x558d99e6bec0), u)
   Call: (208) [system] u=(\)
   Fail: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _761448)
   Call: (209) [system] peek_char((0x558d99e6bec0), _762382)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_767102, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_768034, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _775384)
   Call: (210) [system] peek_char((0x558d99e6bec0), _776318)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_781038, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_781970, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _789320)
   Call: (211) [system] peek_char((0x558d99e6bec0), _790254)
   Exit: (211) [system] peek_char((0x558d99e6bec0), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Fail: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_794974, v('(', ')', end_of_file), t)
   Fail: (212) [system] arg(_795906, v('(', ')', end_of_file), t)
^  Fail: (211) [user] is_delimiter(t)
   Call: (211) [system] ')'==t
   Fail: (211) [system] ')'==t
   Call: (211) [system] get_char((0x558d99e6bec0), t)
   Exit: (211) [system] get_char((0x558d99e6bec0), t)
   Call: (211) [system] t=(\)
   Fail: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _803256)
   Call: (212) [system] peek_char((0x558d99e6bec0), _804190)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_808910, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_809842, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _817192)
   Call: (213) [system] peek_char((0x558d99e6bec0), _818126)
   Exit: (213) [system] peek_char((0x558d99e6bec0), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Fail: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_822846, v('(', ')', end_of_file), o)
   Fail: (214) [system] arg(_823778, v('(', ')', end_of_file), o)
^  Fail: (213) [user] is_delimiter(o)
   Call: (213) [system] ')'==o
   Fail: (213) [system] ')'==o
   Call: (213) [system] get_char((0x558d99e6bec0), o)
   Exit: (213) [system] get_char((0x558d99e6bec0), o)
   Call: (213) [system] o=(\)
   Fail: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _831128)
   Call: (214) [system] peek_char((0x558d99e6bec0), _832062)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_836782, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_837714, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _845064)
   Call: (215) [system] peek_char((0x558d99e6bec0), _845998)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_850718, v('(', ')', end_of_file), 'I')
   Fail: (216) [system] arg(_851650, v('(', ')', end_of_file), 'I')
^  Fail: (215) [user] is_delimiter('I')
   Call: (215) [system] ')'=='I'
   Fail: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=(\)
   Fail: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _859000)
   Call: (216) [system] peek_char((0x558d99e6bec0), _859934)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_864654, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_865586, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _872936)
   Call: (217) [system] peek_char((0x558d99e6bec0), _873870)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_878590, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_879522, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _886872)
   Call: (218) [system] peek_char((0x558d99e6bec0), _887806)
   Exit: (218) [system] peek_char((0x558d99e6bec0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_892526, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_893458, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x558d99e6bec0), r)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _900808)
   Call: (219) [system] peek_char((0x558d99e6bec0), _901742)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_906462, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_907394, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _914744)
   Call: (220) [system] peek_char((0x558d99e6bec0), _915678)
   Exit: (220) [system] peek_char((0x558d99e6bec0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_920398, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_921330, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x558d99e6bec0), d)
   Exit: (220) [system] get_char((0x558d99e6bec0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _928680)
   Call: (221) [system] peek_char((0x558d99e6bec0), _929614)
   Exit: (221) [system] peek_char((0x558d99e6bec0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_934334, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_935266, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x558d99e6bec0), u)
   Exit: (221) [system] get_char((0x558d99e6bec0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _942616)
   Call: (222) [system] peek_char((0x558d99e6bec0), _943550)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_948270, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_949202, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _956552)
   Call: (223) [system] peek_char((0x558d99e6bec0), _957486)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_962206, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_963138, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _970488)
   Call: (224) [system] peek_char((0x558d99e6bec0), _971422)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_976142, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_977074, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _984424)
   Call: (225) [system] peek_char((0x558d99e6bec0), _985358)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_990078, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_991010, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _998360)
   Call: (226) [system] peek_char((0x558d99e6bec0), _999294)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1004014, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1004946, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1012296)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1013230)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1012296=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _998360=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (225) [system] _984424=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (224) [system] _970488=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (223) [system] _956552=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (222) [system] _942616=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (221) [system] _928680=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (220) [system] _914744=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (219) [system] _900808=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _886872=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _872936=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _859000=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _845064=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _831128=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _817192=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _803256=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _789320=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _775384=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _761448=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _747512=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _733576=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _719640=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _705704=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _672050)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1084008, _1084010), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _672050), _1083984, fail)), '$restore_trace'(_1084008, _1084010))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1084008, _1084010))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _672050), _1083984, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_672050)
   Fail: (205) [system] atomic(_672050)
   Call: (205) [system] atom_chars(_672050, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1093384)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1095242)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1102980)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1105684)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1120762)
   Exit: (203) [system] peek_char((0x558d99e6bec0), a)
   Call: (203) [system] a=')'
   Fail: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
   Fail: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1126332)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1128190)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=(;)
   Fail: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Fail: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Fail: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Fail: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
   Fail: (206) [system] char_type(a, cntrl)
^  Fail: (205) [user] is_like_space(a)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1142344)
   Exit: (204) [system] get_char((0x558d99e6bec0), a)
   Call: (204) [system] a='('
   Fail: (204) [system] a='('
   Call: (204) [system] a='['
   Fail: (204) [system] a='['
   Call: (204) [system] a='{'
   Fail: (204) [system] a='{'
   Call: (204) [system] a='"'
   Fail: (204) [system] a='"'
   Call: (204) [system] a=!
   Fail: (204) [system] a=!
   Call: (204) [system] a='\''
   Fail: (204) [system] a='\''
   Call: (204) [system] a='`'
   Fail: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), a, _1126332)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1159986)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1160920)
   Exit: (206) [system] peek_char((0x558d99e6bec0), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Fail: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1165640, v('(', ')', end_of_file), b)
   Fail: (207) [system] arg(_1166572, v('(', ')', end_of_file), b)
^  Fail: (206) [user] is_delimiter(b)
   Call: (206) [system] ')'==b
   Fail: (206) [system] ')'==b
   Call: (206) [system] get_char((0x558d99e6bec0), b)
   Exit: (206) [system] get_char((0x558d99e6bec0), b)
   Call: (206) [system] b=(\)
   Fail: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1173922)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1174856)
   Exit: (207) [system] peek_char((0x558d99e6bec0), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Fail: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1179576, v('(', ')', end_of_file), c)
   Fail: (208) [system] arg(_1180508, v('(', ')', end_of_file), c)
^  Fail: (207) [user] is_delimiter(c)
   Call: (207) [system] ')'==c
   Fail: (207) [system] ')'==c
   Call: (207) [system] get_char((0x558d99e6bec0), c)
   Exit: (207) [system] get_char((0x558d99e6bec0), c)
   Call: (207) [system] c=(\)
   Fail: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1187858)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1188792)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1187858=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (207) [system] _1173922=[c]
   Exit: (207) [system] [c]=[c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (206) [system] _1159986=[b, c]
   Exit: (206) [system] [b, c]=[b, c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (205) [user] classify_and_convert_charseq(a, [b, c], _1126332)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1203690, _1203692), once(user:catch(read_from_chars([a, b, c], _1126332), _1203666, fail)), '$restore_trace'(_1203690, _1203692))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1203690, _1203692))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1203666, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1211190)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1213048)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1220786)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1223490)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1238568)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1244138)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1245996)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1260150)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1244138)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1265720)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1279874)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1285444)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1287302)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1301456)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1285444)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1319098)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1320032)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1324752, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_1325684, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1333034)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1333968)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1338688, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_1339620, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1346970)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1347904)
   Exit: (211) [system] peek_char((0x558d99e6bec0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1352624, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_1353556, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x558d99e6bec0), j)
   Exit: (211) [system] get_char((0x558d99e6bec0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1360906)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1361840)
   Exit: (212) [system] peek_char((0x558d99e6bec0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1366560, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_1367492, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x558d99e6bec0), u)
   Exit: (212) [system] get_char((0x558d99e6bec0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1374842)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1375776)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1380496, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1381428, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1388778)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1389712)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1394432, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1395364, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1402714)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1403648)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1408368, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_1409300, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1416650)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1417584)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1422304, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1423236, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1430586)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1431520)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1436240, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1437172, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1444522)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1445456)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1450176, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1451108, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1458458)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1459392)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1464112, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1465044, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1472394)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1473328)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1478048, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1478980, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1486330)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1487264)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1491984, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1492916, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1500266)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1501200)
   Exit: (222) [system] peek_char((0x558d99e6bec0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1505920, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1506852, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x558d99e6bec0), r)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1514202)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1515136)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1519856, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1520788, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1528138)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1529072)
   Exit: (224) [system] peek_char((0x558d99e6bec0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1533792, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1534724, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x558d99e6bec0), d)
   Exit: (224) [system] get_char((0x558d99e6bec0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1542074)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1543008)
   Exit: (225) [system] peek_char((0x558d99e6bec0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1547728, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1548660, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x558d99e6bec0), u)
   Exit: (225) [system] get_char((0x558d99e6bec0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1556010)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1556944)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1561664, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1562596, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1569946)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1570880)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1575600, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1576532, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1583882)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1584816)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1589536, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1590468, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1597818)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1598752)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1603472, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1604404, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1611754)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1612688)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1617408, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1618340, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1625690)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1626624)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1625690=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1611754=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (229) [system] _1597818=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (228) [system] _1583882=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (227) [system] _1569946=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (226) [system] _1556010=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (225) [system] _1542074=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (224) [system] _1528138=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1514202=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1500266=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1486330=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1472394=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1458458=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1444522=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1430586=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1416650=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1402714=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1388778=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1374842=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1360906=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1346970=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1333034=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1319098=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1285444)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1697402, _1697404), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1285444), _1697378, fail)), '$restore_trace'(_1697402, _1697404))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1697402, _1697404))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1285444), _1697378, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1285444)
   Fail: (209) [system] atomic(_1285444)
   Call: (209) [system] atom_chars(_1285444, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1706778)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1708636)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1716374)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1719078)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1734156)
   Exit: (207) [system] peek_char((0x558d99e6bec0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1739726)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1741584)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1755738)
   Exit: (208) [system] get_char((0x558d99e6bec0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, _1739726)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1773380)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1774314)
   Exit: (210) [system] peek_char((0x558d99e6bec0), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1779034, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1779966, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x558d99e6bec0), b)
   Exit: (210) [system] get_char((0x558d99e6bec0), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1787316)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1788250)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1792970, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1793902, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1801252)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1802186)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1801252=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1787316=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (210) [system] _1773380=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (209) [user] classify_and_convert_charseq(a, [b, c], _1739726)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1817084, _1817086), once(user:catch(read_from_chars([a, b, c], _1739726), _1817060, fail)), '$restore_trace'(_1817084, _1817086))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1817084, _1817086))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1817060, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1824584)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1826442)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1834180)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1836884)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1851962)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1857532)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1859390)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1873544)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, _1857532)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1891186)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1892120)
   Exit: (211) [system] peek_char((0x558d99e6bec0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1896840, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1897772, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x558d99e6bec0), b)
   Exit: (211) [system] get_char((0x558d99e6bec0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1905122)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1906056)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1910776, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1911708, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1919058)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1919992)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1924712, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1919058=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1905122=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (211) [system] _1891186=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _1857532)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1936762, _1936764), once(user:catch(read_from_chars([a, b, c], _1857532), _1936738, fail)), '$restore_trace'(_1936762, _1936764))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1936762, _1936764))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1936738, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1944262)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1946120)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1960274)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1964064)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1944262=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1824584=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (207) [system] _1706778=[abc, abc]
   Exit: (207) [system] [abc, abc]=[abc, abc]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [abc, abc])
   Call: (206) [system] _1244138=['DisjunctionIntroduction', abc, abc]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, abc])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1977946)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1979804)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1993958)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _1997748)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _1977946=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _1211190=[['DisjunctionIntroduction', abc, abc]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, abc]]=[['DisjunctionIntroduction', abc, abc]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, abc]])
   Call: (203) [system] _1093384=[abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (203) [system] [abc, ['DisjunctionIntroduction', abc, abc]]=[abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', abc, abc]])
   Call: (202) [system] _630744=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (202) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _2011630)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _2013488)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _2021226)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2023930)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _2039008)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _2044578)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2046436)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _2060590)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _2044578)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _2066160)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (204) [system] 'O'=(;)
   Fail: (204) [system] 'O'=(;)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Fail: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Fail: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Fail: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
   Fail: (205) [system] char_type('O', cntrl)
^  Fail: (204) [user] is_like_space('O')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _2080314)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (203) [system] 'O'=')'
   Fail: (203) [system] 'O'=')'
   Call: (203) [system] 'O'=end_of_file
   Fail: (203) [system] 'O'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _2085884)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _2087742)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (205) [system] 'O'=(;)
   Fail: (205) [system] 'O'=(;)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Fail: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Fail: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Fail: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
   Fail: (206) [system] char_type('O', cntrl)
^  Fail: (205) [user] is_like_space('O')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _9308)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'O')
   Call: (204) [system] 'O'='('
   Fail: (204) [system] 'O'='('
   Call: (204) [system] 'O'='['
   Fail: (204) [system] 'O'='['
   Call: (204) [system] 'O'='{'
   Fail: (204) [system] 'O'='{'
   Call: (204) [system] 'O'='"'
   Fail: (204) [system] 'O'='"'
   Call: (204) [system] 'O'=!
   Fail: (204) [system] 'O'=!
   Call: (204) [system] 'O'='\''
   Fail: (204) [system] 'O'='\''
   Call: (204) [system] 'O'='`'
   Fail: (204) [system] 'O'='`'
   Call: (204) [system] 'O'=end_of_file
   Fail: (204) [system] 'O'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _4148)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _26950)
   Call: (206) [system] peek_char((0x558d99e6bec0), _27884)
   Exit: (206) [system] peek_char((0x558d99e6bec0), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Fail: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_32604, v('(', ')', end_of_file), r)
   Fail: (207) [system] arg(_33536, v('(', ')', end_of_file), r)
^  Fail: (206) [user] is_delimiter(r)
   Call: (206) [system] ')'==r
   Fail: (206) [system] ')'==r
   Call: (206) [system] get_char((0x558d99e6bec0), r)
   Exit: (206) [system] get_char((0x558d99e6bec0), r)
   Call: (206) [system] r=(\)
   Fail: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40886)
   Call: (207) [system] peek_char((0x558d99e6bec0), _41820)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Fail: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_46540, v('(', ')', end_of_file), 'L')
   Fail: (208) [system] arg(_47472, v('(', ')', end_of_file), 'L')
^  Fail: (207) [user] is_delimiter('L')
   Call: (207) [system] ')'=='L'
   Fail: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (207) [system] get_char((0x558d99e6bec0), 'L')
   Call: (207) [system] 'L'=(\)
   Fail: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _54822)
   Call: (208) [system] peek_char((0x558d99e6bec0), _55756)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_60476, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_61408, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68758)
   Call: (209) [system] peek_char((0x558d99e6bec0), _69692)
   Exit: (209) [system] peek_char((0x558d99e6bec0), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Fail: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_74412, v('(', ')', end_of_file), n)
   Fail: (210) [system] arg(_75344, v('(', ')', end_of_file), n)
^  Fail: (209) [user] is_delimiter(n)
   Call: (209) [system] ')'==n
   Fail: (209) [system] ')'==n
   Call: (209) [system] get_char((0x558d99e6bec0), n)
   Exit: (209) [system] get_char((0x558d99e6bec0), n)
   Call: (209) [system] n=(\)
   Fail: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _82694)
   Call: (210) [system] peek_char((0x558d99e6bec0), _83628)
   Exit: (210) [system] peek_char((0x558d99e6bec0), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Fail: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_88348, v('(', ')', end_of_file), k)
   Fail: (211) [system] arg(_89280, v('(', ')', end_of_file), k)
^  Fail: (210) [user] is_delimiter(k)
   Call: (210) [system] ')'==k
   Fail: (210) [system] ')'==k
   Call: (210) [system] get_char((0x558d99e6bec0), k)
   Exit: (210) [system] get_char((0x558d99e6bec0), k)
   Call: (210) [system] k=(\)
   Fail: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _96630)
   Call: (211) [system] peek_char((0x558d99e6bec0), _97564)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _96630=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _82694=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (209) [system] _68758=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (208) [system] _54822=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (207) [system] _40886=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (206) [system] _26950=[r, 'L', i, n, k]
   Exit: (206) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _4148)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_120844, _120846), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _4148), _120820, fail)), '$restore_trace'(_120844, _120846))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_120844, _120846))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _4148), _120820, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_4148)
   Fail: (206) [system] atomic(_4148)
   Call: (206) [system] atom_chars(_4148, ['O', r, 'L', i, n, k])
   Exit: (206) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _130220)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _132078)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _139816)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _142520)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _157598)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _163168)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _165026)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _179180)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _163168)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _184750)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=(;)
   Fail: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Fail: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Fail: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Fail: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
   Fail: (208) [system] char_type('I', cntrl)
^  Fail: (207) [user] is_like_space('I')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _198904)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (206) [system] 'I'=')'
   Fail: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
   Fail: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _204474)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _206332)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _220486)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'='('
   Fail: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Fail: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Fail: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Fail: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Fail: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Fail: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Fail: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _204474)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _238128)
   Call: (209) [system] peek_char((0x558d99e6bec0), _239062)
   Exit: (209) [system] peek_char((0x558d99e6bec0), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Fail: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_243782, v('(', ')', end_of_file), m)
   Fail: (210) [system] arg(_244714, v('(', ')', end_of_file), m)
^  Fail: (209) [user] is_delimiter(m)
   Call: (209) [system] ')'==m
   Fail: (209) [system] ')'==m
   Call: (209) [system] get_char((0x558d99e6bec0), m)
   Exit: (209) [system] get_char((0x558d99e6bec0), m)
   Call: (209) [system] m=(\)
   Fail: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _252064)
   Call: (210) [system] peek_char((0x558d99e6bec0), _252998)
   Exit: (210) [system] peek_char((0x558d99e6bec0), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Fail: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_257718, v('(', ')', end_of_file), p)
   Fail: (211) [system] arg(_258650, v('(', ')', end_of_file), p)
^  Fail: (210) [user] is_delimiter(p)
   Call: (210) [system] ')'==p
   Fail: (210) [system] ')'==p
   Call: (210) [system] get_char((0x558d99e6bec0), p)
   Exit: (210) [system] get_char((0x558d99e6bec0), p)
   Call: (210) [system] p=(\)
   Fail: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _266000)
   Call: (211) [system] peek_char((0x558d99e6bec0), _266934)
   Exit: (211) [system] peek_char((0x558d99e6bec0), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Fail: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_271654, v('(', ')', end_of_file), l)
   Fail: (212) [system] arg(_272586, v('(', ')', end_of_file), l)
^  Fail: (211) [user] is_delimiter(l)
   Call: (211) [system] ')'==l
   Fail: (211) [system] ')'==l
   Call: (211) [system] get_char((0x558d99e6bec0), l)
   Exit: (211) [system] get_char((0x558d99e6bec0), l)
   Call: (211) [system] l=(\)
   Fail: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _279936)
   Call: (212) [system] peek_char((0x558d99e6bec0), _280870)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_285590, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_286522, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _293872)
   Call: (213) [system] peek_char((0x558d99e6bec0), _294806)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_299526, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_300458, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x558d99e6bec0), c)
   Exit: (213) [system] get_char((0x558d99e6bec0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307808)
   Call: (214) [system] peek_char((0x558d99e6bec0), _308742)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_313462, v('(', ')', end_of_file), a)
   Fail: (215) [system] arg(_314394, v('(', ')', end_of_file), a)
^  Fail: (214) [user] is_delimiter(a)
   Call: (214) [system] ')'==a
   Fail: (214) [system] ')'==a
   Call: (214) [system] get_char((0x558d99e6bec0), a)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(\)
   Fail: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321744)
   Call: (215) [system] peek_char((0x558d99e6bec0), _322678)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_327398, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_328330, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335680)
   Call: (216) [system] peek_char((0x558d99e6bec0), _336614)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_341334, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_342266, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _349616)
   Call: (217) [system] peek_char((0x558d99e6bec0), _350550)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_355270, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_356202, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _363552)
   Call: (218) [system] peek_char((0x558d99e6bec0), _364486)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_369206, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_370138, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _377488)
   Call: (219) [system] peek_char((0x558d99e6bec0), _378422)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _377488=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _363552=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (217) [system] _349616=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (216) [system] _335680=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (215) [system] _321744=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (214) [system] _307808=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (213) [system] _293872=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (212) [system] _279936=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (211) [system] _266000=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _252064=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _238128=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _204474)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_415672, _415674), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _204474), _415648, fail)), '$restore_trace'(_415672, _415674))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_415672, _415674))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _204474), _415648, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_204474)
   Fail: (209) [system] atomic(_204474)
   Call: (209) [system] atom_chars(_204474, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _425048)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _426906)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _434644)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _437348)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _452426)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _457996)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _459854)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _474008)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _457996)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _479578)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=(;)
   Fail: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Fail: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Fail: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Fail: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
   Fail: (211) [system] char_type('A', cntrl)
^  Fail: (210) [user] is_like_space('A')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _493732)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (209) [system] 'A'=')'
   Fail: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
   Fail: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _499302)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _501160)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _515314)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'='('
   Fail: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Fail: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Fail: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Fail: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Fail: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Fail: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Fail: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _499302)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _532956)
   Call: (212) [system] peek_char((0x558d99e6bec0), _533890)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_538610, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_539542, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _546892)
   Call: (213) [system] peek_char((0x558d99e6bec0), _547826)
   Exit: (213) [system] peek_char((0x558d99e6bec0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_552546, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_553478, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x558d99e6bec0), d)
   Exit: (213) [system] get_char((0x558d99e6bec0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _560828)
   Call: (214) [system] peek_char((0x558d99e6bec0), _561762)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_566482, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_567414, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _574764)
   Call: (215) [system] peek_char((0x558d99e6bec0), _575698)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_580418, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_581350, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _588700)
   Call: (216) [system] peek_char((0x558d99e6bec0), _589634)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_594354, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_595286, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _602636)
   Call: (217) [system] peek_char((0x558d99e6bec0), _603570)
   Exit: (217) [system] peek_char((0x558d99e6bec0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_608290, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_609222, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x558d99e6bec0), k)
   Exit: (217) [system] get_char((0x558d99e6bec0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _616572)
   Call: (218) [system] peek_char((0x558d99e6bec0), _617506)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _616572=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _602636=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (216) [system] _588700=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (215) [system] _574764=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (214) [system] _560828=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (213) [system] _546892=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (212) [system] _532956=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _499302)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_643580, _643582), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _499302), _643556, fail)), '$restore_trace'(_643580, _643582))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_643580, _643582))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _499302), _643556, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_499302)
   Fail: (212) [system] atomic(_499302)
   Call: (212) [system] atom_chars(_499302, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _652956)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _654814)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _662552)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _665256)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _680334)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _685904)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _687762)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _701916)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _685904)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _719558)
   Call: (213) [system] peek_char((0x558d99e6bec0), _720492)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _719558=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('A', [], _685904)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_729802, _729804), once(user:catch(read_from_chars(['A'], _685904), _729778, fail)), '$restore_trace'(_729802, _729804))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_729802, _729804))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _685904), _729778, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_685904)
   Fail: (213) [system] atomic(_685904)
   Call: (213) [system] atom_chars(_685904, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _739178)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _741036)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _748774)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _751478)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _766556)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'=')'
   Fail: (211) [system] 'B'=')'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _772126)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _773984)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'=(;)
   Fail: (213) [system] 'B'=(;)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Fail: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Fail: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Fail: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
   Fail: (214) [system] char_type('B', cntrl)
^  Fail: (213) [user] is_like_space('B')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _788138)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'='('
   Fail: (212) [system] 'B'='('
   Call: (212) [system] 'B'='['
   Fail: (212) [system] 'B'='['
   Call: (212) [system] 'B'='{'
   Fail: (212) [system] 'B'='{'
   Call: (212) [system] 'B'='"'
   Fail: (212) [system] 'B'='"'
   Call: (212) [system] 'B'=!
   Fail: (212) [system] 'B'=!
   Call: (212) [system] 'B'='\''
   Fail: (212) [system] 'B'='\''
   Call: (212) [system] 'B'='`'
   Fail: (212) [system] 'B'='`'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _772126)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _805780)
   Call: (214) [system] peek_char((0x558d99e6bec0), _806714)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_811434, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _805780=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('B', [], _772126)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_817896, _817898), once(user:catch(read_from_chars(['B'], _772126), _817872, fail)), '$restore_trace'(_817896, _817898))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_817896, _817898))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _772126), _817872, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_772126)
   Fail: (214) [system] atomic(_772126)
   Call: (214) [system] atom_chars(_772126, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _827272)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _829130)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _843284)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _847074)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _827272=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _739178=['B']
   Exit: (211) [system] ['B']=['B']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (210) [system] _652956=['A', 'B']
   Exit: (210) [system] ['A', 'B']=['A', 'B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (209) [system] _457996=['AndLink', 'A', 'B']
   Exit: (209) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _860956)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _862814)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _870552)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _873256)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _888334)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (208) [system] 'C'=')'
   Fail: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
   Fail: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _893904)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _895762)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=(;)
   Fail: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Fail: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Fail: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Fail: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
   Fail: (211) [system] char_type('C', cntrl)
^  Fail: (210) [user] is_like_space('C')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _909916)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'='('
   Fail: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Fail: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Fail: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Fail: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Fail: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Fail: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Fail: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _893904)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _927558)
   Call: (211) [system] peek_char((0x558d99e6bec0), _928492)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_933212, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _927558=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq('C', [], _893904)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_939674, _939676), once(user:catch(read_from_chars(['C'], _893904), _939650, fail)), '$restore_trace'(_939674, _939676))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_939674, _939676))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _893904), _939650, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_893904)
   Fail: (211) [system] atomic(_893904)
   Call: (211) [system] atom_chars(_893904, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _949050)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _950908)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _965062)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _968852)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _949050=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _860956=['C']
   Exit: (208) [system] ['C']=['C']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (207) [system] _425048=[['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (206) [system] _163168=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _982734)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _984592)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _992330)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _995034)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1010112)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1015682)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1017540)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1031694)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1015682)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1037264)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1051418)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1056988)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1058846)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1073000)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1056988)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1090642)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1091576)
   Exit: (210) [system] peek_char((0x558d99e6bec0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_1096296, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_1097228, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x558d99e6bec0), r)
   Exit: (210) [system] get_char((0x558d99e6bec0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1104578)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1105512)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1110232, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_1111164, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1118514)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1119448)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1124168, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1125100, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1132450)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1133384)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1138104, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_1139036, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1146386)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1147320)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1152040, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_1152972, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1160322)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1161256)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1160322=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1146386=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _1132450=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _1118514=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _1104578=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _1090642=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1056988)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1184536, _1184538), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1056988), _1184512, fail)), '$restore_trace'(_1184536, _1184538))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1184536, _1184538))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1056988), _1184512, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1056988)
   Fail: (210) [system] atomic(_1056988)
   Call: (210) [system] atom_chars(_1056988, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1193912)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1195770)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1203508)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1206212)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1221290)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1226860)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1228718)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1242872)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1226860)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1248442)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1262596)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1268166)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1270024)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1284178)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1268166)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1301820)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1302754)
   Exit: (213) [system] peek_char((0x558d99e6bec0), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_1307474, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_1308406, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x558d99e6bec0), m)
   Exit: (213) [system] get_char((0x558d99e6bec0), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1315756)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1316690)
   Exit: (214) [system] peek_char((0x558d99e6bec0), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_1321410, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_1322342, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x558d99e6bec0), p)
   Exit: (214) [system] get_char((0x558d99e6bec0), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1329692)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1330626)
   Exit: (215) [system] peek_char((0x558d99e6bec0), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_1335346, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_1336278, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x558d99e6bec0), l)
   Exit: (215) [system] get_char((0x558d99e6bec0), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1343628)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1344562)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1349282, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1350214, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1357564)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1358498)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1363218, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1364150, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x558d99e6bec0), c)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1371500)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1372434)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_1377154, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_1378086, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x558d99e6bec0), a)
   Exit: (218) [system] get_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1385436)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1386370)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1391090, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1392022, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1399372)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1400306)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1405026, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1405958, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1413308)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1414242)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1418962, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1419894, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1427244)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1428178)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1432898, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1433830, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1441180)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1442114)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1441180=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1427244=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (221) [system] _1413308=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (220) [system] _1399372=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (219) [system] _1385436=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (218) [system] _1371500=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (217) [system] _1357564=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (216) [system] _1343628=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (215) [system] _1329692=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _1315756=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _1301820=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1268166)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1479364, _1479366), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1268166), _1479340, fail)), '$restore_trace'(_1479364, _1479366))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1479364, _1479366))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1268166), _1479340, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1268166)
   Fail: (213) [system] atomic(_1268166)
   Call: (213) [system] atom_chars(_1268166, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1488740)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1490598)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1498336)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1501040)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1516118)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1521688)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1523546)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1537700)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1521688)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1543270)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1557424)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1562994)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1564852)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1579006)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1562994)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1596648)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1597582)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1602302, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1603234, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1610584)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1611518)
   Exit: (217) [system] peek_char((0x558d99e6bec0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1616238, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_1617170, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x558d99e6bec0), d)
   Exit: (217) [system] get_char((0x558d99e6bec0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1624520)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1625454)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1630174, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1631106, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1638456)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1639390)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1644110, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1645042, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1652392)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1653326)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1658046, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1658978, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1666328)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1667262)
   Exit: (221) [system] peek_char((0x558d99e6bec0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1671982, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1672914, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x558d99e6bec0), k)
   Exit: (221) [system] get_char((0x558d99e6bec0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1680264)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1681198)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1680264=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1666328=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (220) [system] _1652392=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (219) [system] _1638456=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (218) [system] _1624520=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (217) [system] _1610584=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (216) [system] _1596648=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1562994)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1707272, _1707274), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1562994), _1707248, fail)), '$restore_trace'(_1707272, _1707274))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1707272, _1707274))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1562994), _1707248, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1562994)
   Fail: (216) [system] atomic(_1562994)
   Call: (216) [system] atom_chars(_1562994, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1716648)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1718506)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1726244)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1728948)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1744026)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1749596)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1751454)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1765608)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1749596)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1783250)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1784184)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1783250=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('A', [], _1749596)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1793494, _1793496), once(user:catch(read_from_chars(['A'], _1749596), _1793470, fail)), '$restore_trace'(_1793494, _1793496))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1793494, _1793496))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1749596), _1793470, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1749596)
   Fail: (217) [system] atomic(_1749596)
   Call: (217) [system] atom_chars(_1749596, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1802870)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1804728)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1812466)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1815170)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1830248)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1835818)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1837676)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1851830)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1835818)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1869472)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1870406)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1875126, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1869472=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _1835818)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1881588, _1881590), once(user:catch(read_from_chars(['B'], _1835818), _1881564, fail)), '$restore_trace'(_1881588, _1881590))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1881588, _1881590))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1835818), _1881564, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1835818)
   Fail: (218) [system] atomic(_1835818)
   Call: (218) [system] atom_chars(_1835818, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1890964)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1892822)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1906976)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _1910766)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _1890964=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1802870=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (214) [system] _1716648=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (213) [system] _1521688=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1924648)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1926506)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1934244)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1936948)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1952026)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1957596)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1959454)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1973608)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1957596)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1991250)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1992184)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1996904, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1991250=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _1957596)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_2003366, _2003368), once(user:catch(read_from_chars(['C'], _1957596), _2003342, fail)), '$restore_trace'(_2003366, _2003368))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_2003366, _2003368))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1957596), _2003342, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1957596)
   Fail: (215) [system] atomic(_1957596)
   Call: (215) [system] atom_chars(_1957596, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _2012742)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2014600)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2028754)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _2032544)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _2012742=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1924648=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (211) [system] _1488740=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _1226860=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _2046426)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2048284)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _2056022)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2058726)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _2073804)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _2079374)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2081232)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _2095386)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _4250)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _8396)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _22550)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _28120)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _29978)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _44132)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _28120)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _61774)
   Call: (214) [system] peek_char((0x558d99e6bec0), _62708)
   Exit: (214) [system] peek_char((0x558d99e6bec0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_67428, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_68360, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x558d99e6bec0), m)
   Exit: (214) [system] get_char((0x558d99e6bec0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _75710)
   Call: (215) [system] peek_char((0x558d99e6bec0), _76644)
   Exit: (215) [system] peek_char((0x558d99e6bec0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_81364, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_82296, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x558d99e6bec0), p)
   Exit: (215) [system] get_char((0x558d99e6bec0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _89646)
   Call: (216) [system] peek_char((0x558d99e6bec0), _90580)
   Exit: (216) [system] peek_char((0x558d99e6bec0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_95300, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_96232, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x558d99e6bec0), l)
   Exit: (216) [system] get_char((0x558d99e6bec0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _103582)
   Call: (217) [system] peek_char((0x558d99e6bec0), _104516)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_109236, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_110168, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _117518)
   Call: (218) [system] peek_char((0x558d99e6bec0), _118452)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_123172, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_124104, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _131454)
   Call: (219) [system] peek_char((0x558d99e6bec0), _132388)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_137108, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_138040, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x558d99e6bec0), a)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _145390)
   Call: (220) [system] peek_char((0x558d99e6bec0), _146324)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_151044, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_151976, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _159326)
   Call: (221) [system] peek_char((0x558d99e6bec0), _160260)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_164980, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_165912, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _173262)
   Call: (222) [system] peek_char((0x558d99e6bec0), _174196)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_178916, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_179848, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _187198)
   Call: (223) [system] peek_char((0x558d99e6bec0), _188132)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_192852, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_193784, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _201134)
   Call: (224) [system] peek_char((0x558d99e6bec0), _202068)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _201134=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _187198=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (222) [system] _173262=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (221) [system] _159326=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (220) [system] _145390=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (219) [system] _131454=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (218) [system] _117518=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (217) [system] _103582=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (216) [system] _89646=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _75710=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _61774=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _28120)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_239318, _239320), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _28120), _239294, fail)), '$restore_trace'(_239318, _239320))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_239318, _239320))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _28120), _239294, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_28120)
   Fail: (214) [system] atomic(_28120)
   Call: (214) [system] atom_chars(_28120, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _248694)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _250552)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _258290)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _260994)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _276072)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _281642)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _283500)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _297654)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _281642)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _303224)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _317378)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _322948)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _324806)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _338960)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _322948)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _356602)
   Call: (217) [system] peek_char((0x558d99e6bec0), _357536)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_362256, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_363188, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _370538)
   Call: (218) [system] peek_char((0x558d99e6bec0), _371472)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_376192, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_377124, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _384474)
   Call: (219) [system] peek_char((0x558d99e6bec0), _385408)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_390128, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_391060, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _398410)
   Call: (220) [system] peek_char((0x558d99e6bec0), _399344)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_404064, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_404996, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _412346)
   Call: (221) [system] peek_char((0x558d99e6bec0), _413280)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_418000, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_418932, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _426282)
   Call: (222) [system] peek_char((0x558d99e6bec0), _427216)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_431936, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_432868, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _440218)
   Call: (223) [system] peek_char((0x558d99e6bec0), _441152)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _440218=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _426282=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _412346=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _398410=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _384474=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _370538=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (217) [system] _356602=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _322948)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_467226, _467228), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _322948), _467202, fail)), '$restore_trace'(_467226, _467228))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_467226, _467228))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _322948), _467202, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_322948)
   Fail: (217) [system] atomic(_322948)
   Call: (217) [system] atom_chars(_322948, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _476602)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _478460)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _486198)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _488902)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _503980)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _509550)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _511408)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _525562)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _509550)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _543204)
   Call: (218) [system] peek_char((0x558d99e6bec0), _544138)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _543204=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _509550)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_553448, _553450), once(user:catch(read_from_chars(['A'], _509550), _553424, fail)), '$restore_trace'(_553448, _553450))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_553448, _553450))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _509550), _553424, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_509550)
   Fail: (218) [system] atomic(_509550)
   Call: (218) [system] atom_chars(_509550, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _562824)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _564682)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _572420)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _575124)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _590202)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _595772)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _597630)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _611784)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _595772)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _629426)
   Call: (219) [system] peek_char((0x558d99e6bec0), _630360)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_635080, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _629426=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _595772)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_641542, _641544), once(user:catch(read_from_chars(['B'], _595772), _641518, fail)), '$restore_trace'(_641542, _641544))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_641542, _641544))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _595772), _641518, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_595772)
   Fail: (219) [system] atomic(_595772)
   Call: (219) [system] atom_chars(_595772, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _650918)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _652776)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _666930)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _670720)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _650918=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _562824=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (215) [system] _476602=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (214) [system] _281642=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _684602)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _686460)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _694198)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _696902)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _711980)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _717550)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _719408)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _733562)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _717550)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _751204)
   Call: (216) [system] peek_char((0x558d99e6bec0), _752138)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_756858, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _751204=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _717550)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_763320, _763322), once(user:catch(read_from_chars(['C'], _717550), _763296, fail)), '$restore_trace'(_763320, _763322))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_763320, _763322))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _717550), _763296, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_717550)
   Fail: (216) [system] atomic(_717550)
   Call: (216) [system] atom_chars(_717550, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _772696)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _774554)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _788708)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _792498)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _772696=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _684602=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (212) [system] _248694=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4250=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _806380)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _808238)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _822392)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _826182)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _806380=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _4246=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _4204=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _4196=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _840064)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _841922)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _856076)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _859866)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _840064=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _4192=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4150=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4142=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _873748)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _875606)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=(;)
   Fail: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Fail: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Fail: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Fail: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
   Fail: (204) [system] char_type(')', cntrl)
^  Fail: (203) [user] is_like_space(')')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _889760)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x558d99e6bec0), _893550)
   Exit: (202) [system] get_char((0x558d99e6bec0), ')')
   Call: (202) [system] _873748=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (201) [system] _4138=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (201) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (200) [system] _4096=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (200) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (199) [system] _4088=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (199) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (198) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (197) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (197) [user] read_list(')', (0x558d99e6bec0), _907432)
^  Call: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _909290)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (199) [system] '\n'=(;)
   Fail: (199) [system] '\n'=(;)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Fail: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x558d99e6bec0), _918884)
   Exit: (199) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _921588)
   Exit: (200) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (200) [system] ' '=(;)
   Fail: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x558d99e6bec0), _929326)
   Exit: (200) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _932030)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (198) [user] skip_spaces((0x558d99e6bec0))
   Call: (198) [system] peek_char((0x558d99e6bec0), _948032)
   Exit: (198) [system] peek_char((0x558d99e6bec0), '(')
   Call: (198) [system] '('=')'
   Fail: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
   Fail: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x558d99e6bec0), _953602)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _955460)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=(;)
   Fail: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Fail: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Fail: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Fail: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
   Fail: (201) [system] char_type('(', cntrl)
^  Fail: (200) [user] is_like_space('(')
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] get_char((0x558d99e6bec0), _969614)
   Exit: (199) [system] get_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _953602)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _975184)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=(;)
   Fail: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Fail: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Fail: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Fail: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
   Fail: (202) [system] char_type(:, cntrl)
^  Fail: (201) [user] is_like_space(:)
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _989338)
   Exit: (200) [system] peek_char((0x558d99e6bec0), :)
   Call: (200) [system] (:)=')'
   Fail: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
   Fail: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _994908)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _996766)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1010920)
   Exit: (201) [system] get_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)='('
   Fail: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Fail: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Fail: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Fail: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Fail: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Fail: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Fail: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, _994908)
^  Call: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028562)
   Call: (203) [system] peek_char((0x558d99e6bec0), _1029496)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1028562=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _994908)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1038806, _1038808), once(user:catch(read_from_chars([:], _994908), _1038782, fail)), '$restore_trace'(_1038806, _1038808))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1038806, _1038808))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1038782, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _1046306)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1048164)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1055902)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1058606)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _1073684)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _1079254)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1081112)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _1095266)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1079254)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1100836)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'=(;)
   Fail: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Fail: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Fail: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Fail: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
   Fail: (205) [system] char_type('D', cntrl)
^  Fail: (204) [user] is_like_space('D')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1114990)
   Exit: (203) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (203) [system] 'D'=')'
   Fail: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
   Fail: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1120560)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1122418)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1136572)
   Exit: (204) [system] get_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'='('
   Fail: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Fail: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Fail: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Fail: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Fail: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Fail: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Fail: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1120560)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154214)
   Call: (206) [system] peek_char((0x558d99e6bec0), _1155148)
   Exit: (206) [system] peek_char((0x558d99e6bec0), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Fail: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1159868, v('(', ')', end_of_file), i)
   Fail: (207) [system] arg(_1160800, v('(', ')', end_of_file), i)
^  Fail: (206) [user] is_delimiter(i)
   Call: (206) [system] ')'==i
   Fail: (206) [system] ')'==i
   Call: (206) [system] get_char((0x558d99e6bec0), i)
   Exit: (206) [system] get_char((0x558d99e6bec0), i)
   Call: (206) [system] i=(\)
   Fail: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168150)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1169084)
   Exit: (207) [system] peek_char((0x558d99e6bec0), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Fail: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1173804, v('(', ')', end_of_file), s)
   Fail: (208) [system] arg(_1174736, v('(', ')', end_of_file), s)
^  Fail: (207) [user] is_delimiter(s)
   Call: (207) [system] ')'==s
   Fail: (207) [system] ')'==s
   Call: (207) [system] get_char((0x558d99e6bec0), s)
   Exit: (207) [system] get_char((0x558d99e6bec0), s)
   Call: (207) [system] s=(\)
   Fail: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1182086)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1183020)
   Exit: (208) [system] peek_char((0x558d99e6bec0), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Fail: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_1187740, v('(', ')', end_of_file), j)
   Fail: (209) [system] arg(_1188672, v('(', ')', end_of_file), j)
^  Fail: (208) [user] is_delimiter(j)
   Call: (208) [system] ')'==j
   Fail: (208) [system] ')'==j
   Call: (208) [system] get_char((0x558d99e6bec0), j)
   Exit: (208) [system] get_char((0x558d99e6bec0), j)
   Call: (208) [system] j=(\)
   Fail: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1196022)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1196956)
   Exit: (209) [system] peek_char((0x558d99e6bec0), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Fail: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1201676, v('(', ')', end_of_file), u)
   Fail: (210) [system] arg(_1202608, v('(', ')', end_of_file), u)
^  Fail: (209) [user] is_delimiter(u)
   Call: (209) [system] ')'==u
   Fail: (209) [system] ')'==u
   Call: (209) [system] get_char((0x558d99e6bec0), u)
   Exit: (209) [system] get_char((0x558d99e6bec0), u)
   Call: (209) [system] u=(\)
   Fail: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1209958)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1210892)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1215612, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_1216544, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1223894)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1224828)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1229548, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1230480, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1237830)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1238764)
   Exit: (212) [system] peek_char((0x558d99e6bec0), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Fail: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1243484, v('(', ')', end_of_file), t)
   Fail: (213) [system] arg(_1244416, v('(', ')', end_of_file), t)
^  Fail: (212) [user] is_delimiter(t)
   Call: (212) [system] ')'==t
   Fail: (212) [system] ')'==t
   Call: (212) [system] get_char((0x558d99e6bec0), t)
   Exit: (212) [system] get_char((0x558d99e6bec0), t)
   Call: (212) [system] t=(\)
   Fail: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1251766)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1252700)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1257420, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1258352, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1265702)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1266636)
   Exit: (214) [system] peek_char((0x558d99e6bec0), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Fail: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1271356, v('(', ')', end_of_file), o)
   Fail: (215) [system] arg(_1272288, v('(', ')', end_of_file), o)
^  Fail: (214) [user] is_delimiter(o)
   Call: (214) [system] ')'==o
   Fail: (214) [system] ')'==o
   Call: (214) [system] get_char((0x558d99e6bec0), o)
   Exit: (214) [system] get_char((0x558d99e6bec0), o)
   Call: (214) [system] o=(\)
   Fail: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1279638)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1280572)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1285292, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1286224, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1293574)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1294508)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_1299228, v('(', ')', end_of_file), 'I')
   Fail: (217) [system] arg(_1300160, v('(', ')', end_of_file), 'I')
^  Fail: (216) [user] is_delimiter('I')
   Call: (216) [system] ')'=='I'
   Fail: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=(\)
   Fail: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1307510)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1308444)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1313164, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1314096, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1321446)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1322380)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1327100, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1328032, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1335382)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1336316)
   Exit: (219) [system] peek_char((0x558d99e6bec0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1341036, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1341968, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x558d99e6bec0), r)
   Exit: (219) [system] get_char((0x558d99e6bec0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1349318)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1350252)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1354972, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1355904, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1363254)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1364188)
   Exit: (221) [system] peek_char((0x558d99e6bec0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1368908, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1369840, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x558d99e6bec0), d)
   Exit: (221) [system] get_char((0x558d99e6bec0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377190)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1378124)
   Exit: (222) [system] peek_char((0x558d99e6bec0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1382844, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_1383776, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x558d99e6bec0), u)
   Exit: (222) [system] get_char((0x558d99e6bec0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391126)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1392060)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1396780, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1397712, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405062)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1405996)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1410716, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1411648, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1418998)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1419932)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1424652, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1425584, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1432934)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1433868)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1438588, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1439520, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1446870)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1447804)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1452524, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1453456, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1460806)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1461740)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1460806=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _1446870=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (226) [system] _1432934=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (225) [system] _1418998=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (224) [system] _1405062=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (223) [system] _1391126=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (222) [system] _1377190=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (221) [system] _1363254=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (220) [system] _1349318=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _1335382=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1321446=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1307510=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1293574=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1279638=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1265702=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1251766=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1237830=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1223894=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1209958=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1196022=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1182086=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1168150=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1154214=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1120560)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1532518, _1532520), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1120560), _1532494, fail)), '$restore_trace'(_1532518, _1532520))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1532518, _1532520))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1120560), _1532494, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1120560)
   Fail: (206) [system] atomic(_1120560)
   Call: (206) [system] atom_chars(_1120560, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _1541894)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1543752)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1551490)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1554194)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1569272)
   Exit: (204) [system] peek_char((0x558d99e6bec0), a)
   Call: (204) [system] a=')'
   Fail: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
   Fail: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _1574842)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1576700)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
   Call: (206) [system] a=(;)
   Fail: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Fail: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Fail: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Fail: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
   Fail: (207) [system] char_type(a, cntrl)
^  Fail: (206) [user] is_like_space(a)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _1590854)
   Exit: (205) [system] get_char((0x558d99e6bec0), a)
   Call: (205) [system] a='('
   Fail: (205) [system] a='('
   Call: (205) [system] a='['
   Fail: (205) [system] a='['
   Call: (205) [system] a='{'
   Fail: (205) [system] a='{'
   Call: (205) [system] a='"'
   Fail: (205) [system] a='"'
   Call: (205) [system] a=!
   Fail: (205) [system] a=!
   Call: (205) [system] a='\''
   Fail: (205) [system] a='\''
   Call: (205) [system] a='`'
   Fail: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), a, _1574842)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1608496)
   Call: (207) [system] peek_char((0x558d99e6bec0), _1609430)
   Exit: (207) [system] peek_char((0x558d99e6bec0), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Fail: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1614150, v('(', ')', end_of_file), b)
   Fail: (208) [system] arg(_1615082, v('(', ')', end_of_file), b)
^  Fail: (207) [user] is_delimiter(b)
   Call: (207) [system] ')'==b
   Fail: (207) [system] ')'==b
   Call: (207) [system] get_char((0x558d99e6bec0), b)
   Exit: (207) [system] get_char((0x558d99e6bec0), b)
   Call: (207) [system] b=(\)
   Fail: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1622432)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1623366)
   Exit: (208) [system] peek_char((0x558d99e6bec0), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Fail: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1628086, v('(', ')', end_of_file), c)
   Fail: (209) [system] arg(_1629018, v('(', ')', end_of_file), c)
^  Fail: (208) [user] is_delimiter(c)
   Call: (208) [system] ')'==c
   Fail: (208) [system] ')'==c
   Call: (208) [system] get_char((0x558d99e6bec0), c)
   Exit: (208) [system] get_char((0x558d99e6bec0), c)
   Call: (208) [system] c=(\)
   Fail: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1636368)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1637302)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1636368=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (208) [system] _1622432=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (207) [system] _1608496=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (206) [user] classify_and_convert_charseq(a, [b, c], _1574842)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1652200, _1652202), once(user:catch(read_from_chars([a, b, c], _1574842), _1652176, fail)), '$restore_trace'(_1652200, _1652202))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1652200, _1652202))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1652176, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1659700)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1661558)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1669296)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1672000)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1687078)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1692648)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1694506)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1708660)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1692648)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1714230)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1728384)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1733954)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1735812)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1749966)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1733954)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1767608)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1768542)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1773262, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_1774194, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781544)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1782478)
   Exit: (211) [system] peek_char((0x558d99e6bec0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1787198, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_1788130, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x558d99e6bec0), s)
   Exit: (211) [system] get_char((0x558d99e6bec0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1795480)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1796414)
   Exit: (212) [system] peek_char((0x558d99e6bec0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1801134, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_1802066, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x558d99e6bec0), j)
   Exit: (212) [system] get_char((0x558d99e6bec0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1809416)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1810350)
   Exit: (213) [system] peek_char((0x558d99e6bec0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1815070, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_1816002, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x558d99e6bec0), u)
   Exit: (213) [system] get_char((0x558d99e6bec0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1823352)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1824286)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1829006, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1829938, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1837288)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1838222)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1842942, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_1843874, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1851224)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1852158)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1856878, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_1857810, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1865160)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1866094)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1870814, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1871746, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1879096)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1880030)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1884750, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_1885682, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1893032)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1893966)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1898686, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1899618, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1906968)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1907902)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1912622, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_1913554, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1920904)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1921838)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1926558, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1927490, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1934840)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1935774)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1940494, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1941426, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1948776)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1949710)
   Exit: (223) [system] peek_char((0x558d99e6bec0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1954430, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_1955362, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x558d99e6bec0), r)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1962712)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1963646)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1968366, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1969298, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1976648)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1977582)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1982302, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1983234, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1990584)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1991518)
   Exit: (226) [system] peek_char((0x558d99e6bec0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1996238, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1997170, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x558d99e6bec0), u)
   Exit: (226) [system] get_char((0x558d99e6bec0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2004520)
   Call: (227) [system] peek_char((0x558d99e6bec0), _2005454)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_2010174, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_2011106, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2018456)
   Call: (228) [system] peek_char((0x558d99e6bec0), _2019390)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_2024110, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_2025042, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2032392)
   Call: (229) [system] peek_char((0x558d99e6bec0), _2033326)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_2038046, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_2038978, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2046328)
   Call: (230) [system] peek_char((0x558d99e6bec0), _2047262)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_2051982, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_2052914, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2060264)
   Call: (231) [system] peek_char((0x558d99e6bec0), _2061198)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_2065918, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_2066850, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2074200)
   Call: (232) [system] peek_char((0x558d99e6bec0), _2075134)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _2074200=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _2060264=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _2046328=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _2032392=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _2018456=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _2004520=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (226) [system] _4396=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (225) [system] _4392=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (224) [system] _4388=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _4384=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4380=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4376=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4372=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4368=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4364=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4360=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4356=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4352=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4348=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4344=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4340=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4336=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4332=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4328)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_53560, _53562), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4328), _53536, fail)), '$restore_trace'(_53560, _53562))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_53560, _53562))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4328), _53536, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_4328)
   Fail: (210) [system] atomic(_4328)
   Call: (210) [system] atom_chars(_4328, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _62936)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _64794)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _72532)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _75236)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _90314)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _95884)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _97742)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _111896)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, _95884)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _129538)
   Call: (211) [system] peek_char((0x558d99e6bec0), _130472)
   Exit: (211) [system] peek_char((0x558d99e6bec0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_135192, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_136124, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x558d99e6bec0), b)
   Exit: (211) [system] get_char((0x558d99e6bec0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _143474)
   Call: (212) [system] peek_char((0x558d99e6bec0), _144408)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_149128, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_150060, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _157410)
   Call: (213) [system] peek_char((0x558d99e6bec0), _158344)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _157410=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _143474=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (211) [system] _129538=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _95884)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_173242, _173244), once(user:catch(read_from_chars([a, b, c], _95884), _173218, fail)), '$restore_trace'(_173242, _173244))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_173242, _173244))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _173218, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _180742)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _182600)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _190338)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _193042)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _208120)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _213690)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _215548)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _229702)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, _213690)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247344)
   Call: (212) [system] peek_char((0x558d99e6bec0), _248278)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_252998, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _247344=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq(a, [], _213690)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_259460, _259462), once(user:catch(read_from_chars([a], _213690), _259436, fail)), '$restore_trace'(_259460, _259462))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_259460, _259462))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _259436, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _266960)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _268818)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _282972)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _286762)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _266960=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _180742=[a]
   Exit: (209) [system] [a]=[a]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (208) [system] _62936=[abc, a]
   Exit: (208) [system] [abc, a]=[abc, a]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (207) [system] _4322=['DisjunctionIntroduction', abc, a]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _300644)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _302502)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _316656)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _320446)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _300644=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _4318=[['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, a]])
   Call: (204) [system] _4312=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (204) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (203) [system] _4304=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (203) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _334328)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _336186)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _343924)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _346628)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _361706)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _367276)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _369134)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _383288)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _367276)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _388858)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (205) [system] 'O'=(;)
   Fail: (205) [system] 'O'=(;)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Fail: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Fail: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Fail: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
   Fail: (206) [system] char_type('O', cntrl)
^  Fail: (205) [user] is_like_space('O')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _403012)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (204) [system] 'O'=')'
   Fail: (204) [system] 'O'=')'
   Call: (204) [system] 'O'=end_of_file
   Fail: (204) [system] 'O'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _408582)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _410440)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _424594)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'O')
   Call: (205) [system] 'O'='('
   Fail: (205) [system] 'O'='('
   Call: (205) [system] 'O'='['
   Fail: (205) [system] 'O'='['
   Call: (205) [system] 'O'='{'
   Fail: (205) [system] 'O'='{'
   Call: (205) [system] 'O'='"'
   Fail: (205) [system] 'O'='"'
   Call: (205) [system] 'O'=!
   Fail: (205) [system] 'O'=!
   Call: (205) [system] 'O'='\''
   Fail: (205) [system] 'O'='\''
   Call: (205) [system] 'O'='`'
   Fail: (205) [system] 'O'='`'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _408582)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _442236)
   Call: (207) [system] peek_char((0x558d99e6bec0), _443170)
   Exit: (207) [system] peek_char((0x558d99e6bec0), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Fail: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_447890, v('(', ')', end_of_file), r)
   Fail: (208) [system] arg(_448822, v('(', ')', end_of_file), r)
^  Fail: (207) [user] is_delimiter(r)
   Call: (207) [system] ')'==r
   Fail: (207) [system] ')'==r
   Call: (207) [system] get_char((0x558d99e6bec0), r)
   Exit: (207) [system] get_char((0x558d99e6bec0), r)
   Call: (207) [system] r=(\)
   Fail: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _456172)
   Call: (208) [system] peek_char((0x558d99e6bec0), _457106)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Fail: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_461826, v('(', ')', end_of_file), 'L')
   Fail: (209) [system] arg(_462758, v('(', ')', end_of_file), 'L')
^  Fail: (208) [user] is_delimiter('L')
   Call: (208) [system] ')'=='L'
   Fail: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (208) [system] get_char((0x558d99e6bec0), 'L')
   Call: (208) [system] 'L'=(\)
   Fail: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _470108)
   Call: (209) [system] peek_char((0x558d99e6bec0), _471042)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_475762, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_476694, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _484044)
   Call: (210) [system] peek_char((0x558d99e6bec0), _484978)
   Exit: (210) [system] peek_char((0x558d99e6bec0), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Fail: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_489698, v('(', ')', end_of_file), n)
   Fail: (211) [system] arg(_490630, v('(', ')', end_of_file), n)
^  Fail: (210) [user] is_delimiter(n)
   Call: (210) [system] ')'==n
   Fail: (210) [system] ')'==n
   Call: (210) [system] get_char((0x558d99e6bec0), n)
   Exit: (210) [system] get_char((0x558d99e6bec0), n)
   Call: (210) [system] n=(\)
   Fail: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497980)
   Call: (211) [system] peek_char((0x558d99e6bec0), _498914)
   Exit: (211) [system] peek_char((0x558d99e6bec0), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Fail: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_503634, v('(', ')', end_of_file), k)
   Fail: (212) [system] arg(_504566, v('(', ')', end_of_file), k)
^  Fail: (211) [user] is_delimiter(k)
   Call: (211) [system] ')'==k
   Fail: (211) [system] ')'==k
   Call: (211) [system] get_char((0x558d99e6bec0), k)
   Exit: (211) [system] get_char((0x558d99e6bec0), k)
   Call: (211) [system] k=(\)
   Fail: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _511916)
   Call: (212) [system] peek_char((0x558d99e6bec0), _512850)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _511916=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _497980=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (210) [system] _484044=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (209) [system] _470108=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (208) [system] _456172=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (207) [system] _442236=[r, 'L', i, n, k]
   Exit: (207) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _408582)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_536130, _536132), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _408582), _536106, fail)), '$restore_trace'(_536130, _536132))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_536130, _536132))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _408582), _536106, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_408582)
   Fail: (207) [system] atomic(_408582)
   Call: (207) [system] atom_chars(_408582, ['O', r, 'L', i, n, k])
   Exit: (207) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _545506)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _547364)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _555102)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _557806)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _572884)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _578454)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _580312)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _594466)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _578454)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _600036)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=(;)
   Fail: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Fail: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Fail: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Fail: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
   Fail: (209) [system] char_type('I', cntrl)
^  Fail: (208) [user] is_like_space('I')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _614190)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (207) [system] 'I'=')'
   Fail: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
   Fail: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _619760)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _621618)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _635772)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'='('
   Fail: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Fail: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Fail: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Fail: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Fail: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Fail: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Fail: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _619760)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _653414)
   Call: (210) [system] peek_char((0x558d99e6bec0), _654348)
   Exit: (210) [system] peek_char((0x558d99e6bec0), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Fail: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_659068, v('(', ')', end_of_file), m)
   Fail: (211) [system] arg(_660000, v('(', ')', end_of_file), m)
^  Fail: (210) [user] is_delimiter(m)
   Call: (210) [system] ')'==m
   Fail: (210) [system] ')'==m
   Call: (210) [system] get_char((0x558d99e6bec0), m)
   Exit: (210) [system] get_char((0x558d99e6bec0), m)
   Call: (210) [system] m=(\)
   Fail: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _667350)
   Call: (211) [system] peek_char((0x558d99e6bec0), _668284)
   Exit: (211) [system] peek_char((0x558d99e6bec0), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Fail: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_673004, v('(', ')', end_of_file), p)
   Fail: (212) [system] arg(_673936, v('(', ')', end_of_file), p)
^  Fail: (211) [user] is_delimiter(p)
   Call: (211) [system] ')'==p
   Fail: (211) [system] ')'==p
   Call: (211) [system] get_char((0x558d99e6bec0), p)
   Exit: (211) [system] get_char((0x558d99e6bec0), p)
   Call: (211) [system] p=(\)
   Fail: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _681286)
   Call: (212) [system] peek_char((0x558d99e6bec0), _682220)
   Exit: (212) [system] peek_char((0x558d99e6bec0), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Fail: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_686940, v('(', ')', end_of_file), l)
   Fail: (213) [system] arg(_687872, v('(', ')', end_of_file), l)
^  Fail: (212) [user] is_delimiter(l)
   Call: (212) [system] ')'==l
   Fail: (212) [system] ')'==l
   Call: (212) [system] get_char((0x558d99e6bec0), l)
   Exit: (212) [system] get_char((0x558d99e6bec0), l)
   Call: (212) [system] l=(\)
   Fail: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _695222)
   Call: (213) [system] peek_char((0x558d99e6bec0), _696156)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_700876, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_701808, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _709158)
   Call: (214) [system] peek_char((0x558d99e6bec0), _710092)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_714812, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_715744, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _723094)
   Call: (215) [system] peek_char((0x558d99e6bec0), _724028)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_728748, v('(', ')', end_of_file), a)
   Fail: (216) [system] arg(_729680, v('(', ')', end_of_file), a)
^  Fail: (215) [user] is_delimiter(a)
   Call: (215) [system] ')'==a
   Fail: (215) [system] ')'==a
   Call: (215) [system] get_char((0x558d99e6bec0), a)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(\)
   Fail: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _737030)
   Call: (216) [system] peek_char((0x558d99e6bec0), _737964)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_742684, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_743616, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _750966)
   Call: (217) [system] peek_char((0x558d99e6bec0), _751900)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_756620, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_757552, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _764902)
   Call: (218) [system] peek_char((0x558d99e6bec0), _765836)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_770556, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_771488, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _778838)
   Call: (219) [system] peek_char((0x558d99e6bec0), _779772)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_784492, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_785424, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _792774)
   Call: (220) [system] peek_char((0x558d99e6bec0), _793708)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _792774=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _778838=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (218) [system] _764902=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (217) [system] _750966=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (216) [system] _737030=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (215) [system] _723094=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (214) [system] _709158=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (213) [system] _695222=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (212) [system] _681286=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _667350=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _653414=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _619760)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_830958, _830960), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _619760), _830934, fail)), '$restore_trace'(_830958, _830960))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_830958, _830960))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _619760), _830934, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_619760)
   Fail: (210) [system] atomic(_619760)
   Call: (210) [system] atom_chars(_619760, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _840334)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _842192)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _849930)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _852634)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _867712)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _873282)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _875140)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _889294)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _873282)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _894864)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=(;)
   Fail: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Fail: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Fail: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Fail: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
   Fail: (212) [system] char_type('A', cntrl)
^  Fail: (211) [user] is_like_space('A')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _909018)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (210) [system] 'A'=')'
   Fail: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
   Fail: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _914588)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _916446)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _930600)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'='('
   Fail: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Fail: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Fail: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Fail: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Fail: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Fail: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Fail: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _914588)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _948242)
   Call: (213) [system] peek_char((0x558d99e6bec0), _949176)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_953896, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_954828, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _962178)
   Call: (214) [system] peek_char((0x558d99e6bec0), _963112)
   Exit: (214) [system] peek_char((0x558d99e6bec0), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Fail: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_967832, v('(', ')', end_of_file), d)
   Fail: (215) [system] arg(_968764, v('(', ')', end_of_file), d)
^  Fail: (214) [user] is_delimiter(d)
   Call: (214) [system] ')'==d
   Fail: (214) [system] ')'==d
   Call: (214) [system] get_char((0x558d99e6bec0), d)
   Exit: (214) [system] get_char((0x558d99e6bec0), d)
   Call: (214) [system] d=(\)
   Fail: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _976114)
   Call: (215) [system] peek_char((0x558d99e6bec0), _977048)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_981768, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_982700, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _990050)
   Call: (216) [system] peek_char((0x558d99e6bec0), _990984)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_995704, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_996636, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1003986)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1004920)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1009640, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1010572, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1017922)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1018856)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1023576, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1024508, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1031858)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1032792)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1031858=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1017922=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _1003986=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _990050=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _976114=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _962178=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (213) [system] _948242=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _914588)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1058866, _1058868), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _914588), _1058842, fail)), '$restore_trace'(_1058866, _1058868))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1058866, _1058868))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _914588), _1058842, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_914588)
   Fail: (213) [system] atomic(_914588)
   Call: (213) [system] atom_chars(_914588, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1068242)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1070100)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1077838)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1080542)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1095620)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1101190)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1103048)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1117202)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1101190)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1134844)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1135778)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1134844=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _1101190)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1145088, _1145090), once(user:catch(read_from_chars(['A'], _1101190), _1145064, fail)), '$restore_trace'(_1145088, _1145090))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1145088, _1145090))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1101190), _1145064, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1101190)
   Fail: (214) [system] atomic(_1101190)
   Call: (214) [system] atom_chars(_1101190, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1154464)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1156322)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1164060)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1166764)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1181842)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1187412)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1189270)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1203424)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1187412)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1221066)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1222000)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1226720, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1221066=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1187412)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1233182, _1233184), once(user:catch(read_from_chars(['B'], _1187412), _1233158, fail)), '$restore_trace'(_1233182, _1233184))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1233182, _1233184))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1187412), _1233158, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1187412)
   Fail: (215) [system] atomic(_1187412)
   Call: (215) [system] atom_chars(_1187412, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1242558)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1244416)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1258570)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1262360)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1242558=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1154464=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (211) [system] _1068242=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (210) [system] _873282=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1276242)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1278100)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1285838)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1288542)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1303620)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (209) [system] 'C'=')'
   Fail: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
   Fail: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1309190)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1311048)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=(;)
   Fail: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Fail: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Fail: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Fail: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
   Fail: (212) [system] char_type('C', cntrl)
^  Fail: (211) [user] is_like_space('C')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1325202)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'='('
   Fail: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Fail: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Fail: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Fail: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Fail: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Fail: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Fail: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1309190)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1342844)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1343778)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1348498, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1342844=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq('C', [], _1309190)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1354960, _1354962), once(user:catch(read_from_chars(['C'], _1309190), _1354936, fail)), '$restore_trace'(_1354960, _1354962))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1354960, _1354962))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1309190), _1354936, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1309190)
   Fail: (212) [system] atomic(_1309190)
   Call: (212) [system] atom_chars(_1309190, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1364336)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1366194)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1380348)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1384138)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1364336=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1276242=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (208) [system] _840334=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _578454=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1398020)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1399878)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1407616)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1410320)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1425398)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1430968)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1432826)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1446980)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1430968)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1452550)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1466704)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1472274)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1474132)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1488286)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1472274)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1505928)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1506862)
   Exit: (211) [system] peek_char((0x558d99e6bec0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1511582, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_1512514, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x558d99e6bec0), r)
   Exit: (211) [system] get_char((0x558d99e6bec0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1519864)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1520798)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1525518, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1526450, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1533800)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1534734)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1539454, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1540386, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1547736)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1548670)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1553390, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1554322, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1561672)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1562606)
   Exit: (215) [system] peek_char((0x558d99e6bec0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1567326, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1568258, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x558d99e6bec0), k)
   Exit: (215) [system] get_char((0x558d99e6bec0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1575608)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1576542)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1575608=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1561672=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (214) [system] _1547736=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (213) [system] _1533800=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (212) [system] _1519864=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (211) [system] _1505928=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1472274)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1599822, _1599824), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1472274), _1599798, fail)), '$restore_trace'(_1599822, _1599824))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1599822, _1599824))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1472274), _1599798, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1472274)
   Fail: (211) [system] atomic(_1472274)
   Call: (211) [system] atom_chars(_1472274, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1609198)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1611056)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1618794)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1621498)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1636576)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1642146)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1644004)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1658158)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1642146)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1663728)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1677882)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1683452)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1685310)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1699464)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1683452)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1717106)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1718040)
   Exit: (214) [system] peek_char((0x558d99e6bec0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1722760, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_1723692, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x558d99e6bec0), m)
   Exit: (214) [system] get_char((0x558d99e6bec0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1731042)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1731976)
   Exit: (215) [system] peek_char((0x558d99e6bec0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1736696, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_1737628, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x558d99e6bec0), p)
   Exit: (215) [system] get_char((0x558d99e6bec0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1744978)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1745912)
   Exit: (216) [system] peek_char((0x558d99e6bec0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1750632, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_1751564, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x558d99e6bec0), l)
   Exit: (216) [system] get_char((0x558d99e6bec0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1758914)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1759848)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1764568, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1765500, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1772850)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1773784)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1778504, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1779436, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1786786)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1787720)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1792440, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_1793372, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x558d99e6bec0), a)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1800722)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1801656)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1806376, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1807308, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1814658)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1815592)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1820312, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1821244, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1828594)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1829528)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1834248, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1835180, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842530)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1843464)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1848184, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1849116, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856466)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1857400)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1856466=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1842530=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (222) [system] _1828594=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (221) [system] _1814658=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (220) [system] _1800722=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (219) [system] _1786786=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (218) [system] _1772850=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (217) [system] _1758914=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (216) [system] _1744978=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1731042=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1717106=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1683452)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1894650, _1894652), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1683452), _1894626, fail)), '$restore_trace'(_1894650, _1894652))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1894650, _1894652))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1683452), _1894626, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1683452)
   Fail: (214) [system] atomic(_1683452)
   Call: (214) [system] atom_chars(_1683452, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1904026)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1905884)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1913622)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1916326)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1931404)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1936974)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1938832)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1952986)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1936974)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1958556)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1972710)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1978280)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1980138)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1994292)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1978280)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2011934)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2012868)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_2017588, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_2018520, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2025870)
   Call: (218) [system] peek_char((0x558d99e6bec0), _2026804)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_2031524, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_2032456, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2039806)
   Call: (219) [system] peek_char((0x558d99e6bec0), _2040740)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_2045460, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_2046392, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2053742)
   Call: (220) [system] peek_char((0x558d99e6bec0), _2054676)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_2059396, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_2060328, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2067678)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2068612)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2073332, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_2074264, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2081614)
   Call: (222) [system] peek_char((0x558d99e6bec0), _2082548)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_2087268, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_2088200, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2095550)
   Call: (223) [system] peek_char((0x558d99e6bec0), _4462)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _4458=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _4454=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _4450=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _4446=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _4442=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _4438=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (217) [system] _4434=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4430)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_30206, _30208), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4430), _30182, fail)), '$restore_trace'(_30206, _30208))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_30206, _30208))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4430), _30182, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_4430)
   Fail: (217) [system] atomic(_4430)
   Call: (217) [system] atom_chars(_4430, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _39582)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _41440)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _49178)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _51882)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _66960)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _72530)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _74388)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _88542)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _72530)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _106184)
   Call: (218) [system] peek_char((0x558d99e6bec0), _107118)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _106184=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _72530)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_116428, _116430), once(user:catch(read_from_chars(['A'], _72530), _116404, fail)), '$restore_trace'(_116428, _116430))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_116428, _116430))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _72530), _116404, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_72530)
   Fail: (218) [system] atomic(_72530)
   Call: (218) [system] atom_chars(_72530, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _125804)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _127662)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _135400)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _138104)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _153182)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _158752)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _160610)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _174764)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _158752)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _192406)
   Call: (219) [system] peek_char((0x558d99e6bec0), _193340)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_198060, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _192406=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _158752)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_204522, _204524), once(user:catch(read_from_chars(['B'], _158752), _204498, fail)), '$restore_trace'(_204522, _204524))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_204522, _204524))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _158752), _204498, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_158752)
   Fail: (219) [system] atomic(_158752)
   Call: (219) [system] atom_chars(_158752, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _213898)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _215756)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _229910)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _233700)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _213898=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _125804=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (215) [system] _39582=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (214) [system] _4424=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _247582)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _249440)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _257178)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _259882)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _274960)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _280530)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _282388)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _296542)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _280530)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _314184)
   Call: (216) [system] peek_char((0x558d99e6bec0), _315118)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_319838, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _314184=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _280530)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_326300, _326302), once(user:catch(read_from_chars(['C'], _280530), _326276, fail)), '$restore_trace'(_326300, _326302))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_326300, _326302))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _280530), _326276, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_280530)
   Fail: (216) [system] atomic(_280530)
   Call: (216) [system] atom_chars(_280530, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _335676)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _337534)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _351688)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _355478)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _335676=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _247582=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (212) [system] _4420=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4412=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _369360)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _371218)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _378956)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _381660)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _396738)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (210) [system] 'B'=')'
   Fail: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
   Fail: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _402308)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _404166)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=(;)
   Fail: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Fail: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Fail: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Fail: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
   Fail: (213) [system] char_type('B', cntrl)
^  Fail: (212) [user] is_like_space('B')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _418320)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'B')
   Call: (211) [system] 'B'='('
   Fail: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Fail: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Fail: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Fail: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Fail: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Fail: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Fail: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
   Fail: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _402308)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _435962)
   Call: (213) [system] peek_char((0x558d99e6bec0), _436896)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_441616, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _435962=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('B', [], _402308)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_448078, _448080), once(user:catch(read_from_chars(['B'], _402308), _448054, fail)), '$restore_trace'(_448078, _448080))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_448078, _448080))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _402308), _448054, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_402308)
   Fail: (213) [system] atomic(_402308)
   Call: (213) [system] atom_chars(_402308, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _457454)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _459312)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _473466)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _477256)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _457454=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _369360=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (209) [system] _4408=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (208) [system] _4400=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _491138)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _492996)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _507150)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _510940)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _491138=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _4396=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (205) [system] _4354=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (204) [system] _4346=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (204) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _524822)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _526680)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=(;)
   Fail: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Fail: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Fail: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Fail: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
   Fail: (205) [system] char_type(')', cntrl)
^  Fail: (204) [user] is_like_space(')')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _540834)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x558d99e6bec0), _544624)
   Exit: (203) [system] get_char((0x558d99e6bec0), ')')
   Call: (203) [system] _524822=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (202) [system] _4342=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (202) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (201) [system] _4300=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (201) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (200) [system] _4292=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (200) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (199) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (198) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (198) [user] read_list(')', (0x558d99e6bec0), _558506)
^  Call: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _560364)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (200) [system] '\n'=(;)
   Fail: (200) [system] '\n'=(;)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Fail: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x558d99e6bec0), _569958)
   Exit: (200) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _572662)
   Exit: (201) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (201) [system] ' '=(;)
   Fail: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x558d99e6bec0), _580400)
   Exit: (201) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _583104)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (199) [user] skip_spaces((0x558d99e6bec0))
   Call: (199) [system] peek_char((0x558d99e6bec0), _599106)
   Exit: (199) [system] peek_char((0x558d99e6bec0), '(')
   Call: (199) [system] '('=')'
   Fail: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
   Fail: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x558d99e6bec0), _604676)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _606534)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=(;)
   Fail: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Fail: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Fail: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Fail: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
   Fail: (202) [system] char_type('(', cntrl)
^  Fail: (201) [user] is_like_space('(')
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] get_char((0x558d99e6bec0), _620688)
   Exit: (200) [system] get_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _604676)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _626258)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=(;)
   Fail: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Fail: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Fail: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Fail: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
   Fail: (203) [system] char_type(:, cntrl)
^  Fail: (202) [user] is_like_space(:)
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _640412)
   Exit: (201) [system] peek_char((0x558d99e6bec0), :)
   Call: (201) [system] (:)=')'
   Fail: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
   Fail: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _645982)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _647840)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _661994)
   Exit: (202) [system] get_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)='('
   Fail: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Fail: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Fail: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Fail: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Fail: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Fail: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Fail: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, _645982)
^  Call: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), _679636)
   Call: (204) [system] peek_char((0x558d99e6bec0), _680570)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _679636=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _645982)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_689880, _689882), once(user:catch(read_from_chars([:], _645982), _689856, fail)), '$restore_trace'(_689880, _689882))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_689880, _689882))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _689856, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _697380)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _699238)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _706976)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _709680)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _724758)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _730328)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _732186)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _746340)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _730328)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _751910)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=(;)
   Fail: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Fail: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Fail: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Fail: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
   Fail: (206) [system] char_type('D', cntrl)
^  Fail: (205) [user] is_like_space('D')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _766064)
   Exit: (204) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (204) [system] 'D'=')'
   Fail: (204) [system] 'D'=')'
   Call: (204) [system] 'D'=end_of_file
   Fail: (204) [system] 'D'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _771634)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _773492)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _787646)
   Exit: (205) [system] get_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'='('
   Fail: (205) [system] 'D'='('
   Call: (205) [system] 'D'='['
   Fail: (205) [system] 'D'='['
   Call: (205) [system] 'D'='{'
   Fail: (205) [system] 'D'='{'
   Call: (205) [system] 'D'='"'
   Fail: (205) [system] 'D'='"'
   Call: (205) [system] 'D'=!
   Fail: (205) [system] 'D'=!
   Call: (205) [system] 'D'='\''
   Fail: (205) [system] 'D'='\''
   Call: (205) [system] 'D'='`'
   Fail: (205) [system] 'D'='`'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _771634)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _805288)
   Call: (207) [system] peek_char((0x558d99e6bec0), _806222)
   Exit: (207) [system] peek_char((0x558d99e6bec0), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Fail: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_810942, v('(', ')', end_of_file), i)
   Fail: (208) [system] arg(_811874, v('(', ')', end_of_file), i)
^  Fail: (207) [user] is_delimiter(i)
   Call: (207) [system] ')'==i
   Fail: (207) [system] ')'==i
   Call: (207) [system] get_char((0x558d99e6bec0), i)
   Exit: (207) [system] get_char((0x558d99e6bec0), i)
   Call: (207) [system] i=(\)
   Fail: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _819224)
   Call: (208) [system] peek_char((0x558d99e6bec0), _820158)
   Exit: (208) [system] peek_char((0x558d99e6bec0), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Fail: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_824878, v('(', ')', end_of_file), s)
   Fail: (209) [system] arg(_825810, v('(', ')', end_of_file), s)
^  Fail: (208) [user] is_delimiter(s)
   Call: (208) [system] ')'==s
   Fail: (208) [system] ')'==s
   Call: (208) [system] get_char((0x558d99e6bec0), s)
   Exit: (208) [system] get_char((0x558d99e6bec0), s)
   Call: (208) [system] s=(\)
   Fail: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _833160)
   Call: (209) [system] peek_char((0x558d99e6bec0), _834094)
   Exit: (209) [system] peek_char((0x558d99e6bec0), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Fail: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_838814, v('(', ')', end_of_file), j)
   Fail: (210) [system] arg(_839746, v('(', ')', end_of_file), j)
^  Fail: (209) [user] is_delimiter(j)
   Call: (209) [system] ')'==j
   Fail: (209) [system] ')'==j
   Call: (209) [system] get_char((0x558d99e6bec0), j)
   Exit: (209) [system] get_char((0x558d99e6bec0), j)
   Call: (209) [system] j=(\)
   Fail: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _847096)
   Call: (210) [system] peek_char((0x558d99e6bec0), _848030)
   Exit: (210) [system] peek_char((0x558d99e6bec0), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Fail: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_852750, v('(', ')', end_of_file), u)
   Fail: (211) [system] arg(_853682, v('(', ')', end_of_file), u)
^  Fail: (210) [user] is_delimiter(u)
   Call: (210) [system] ')'==u
   Fail: (210) [system] ')'==u
   Call: (210) [system] get_char((0x558d99e6bec0), u)
   Exit: (210) [system] get_char((0x558d99e6bec0), u)
   Call: (210) [system] u=(\)
   Fail: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861032)
   Call: (211) [system] peek_char((0x558d99e6bec0), _861966)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_866686, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_867618, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _874968)
   Call: (212) [system] peek_char((0x558d99e6bec0), _875902)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_880622, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_881554, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _888904)
   Call: (213) [system] peek_char((0x558d99e6bec0), _889838)
   Exit: (213) [system] peek_char((0x558d99e6bec0), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Fail: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_894558, v('(', ')', end_of_file), t)
   Fail: (214) [system] arg(_895490, v('(', ')', end_of_file), t)
^  Fail: (213) [user] is_delimiter(t)
   Call: (213) [system] ')'==t
   Fail: (213) [system] ')'==t
   Call: (213) [system] get_char((0x558d99e6bec0), t)
   Exit: (213) [system] get_char((0x558d99e6bec0), t)
   Call: (213) [system] t=(\)
   Fail: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _902840)
   Call: (214) [system] peek_char((0x558d99e6bec0), _903774)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_908494, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_909426, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _916776)
   Call: (215) [system] peek_char((0x558d99e6bec0), _917710)
   Exit: (215) [system] peek_char((0x558d99e6bec0), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Fail: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_922430, v('(', ')', end_of_file), o)
   Fail: (216) [system] arg(_923362, v('(', ')', end_of_file), o)
^  Fail: (215) [user] is_delimiter(o)
   Call: (215) [system] ')'==o
   Fail: (215) [system] ')'==o
   Call: (215) [system] get_char((0x558d99e6bec0), o)
   Exit: (215) [system] get_char((0x558d99e6bec0), o)
   Call: (215) [system] o=(\)
   Fail: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _930712)
   Call: (216) [system] peek_char((0x558d99e6bec0), _931646)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_936366, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_937298, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _944648)
   Call: (217) [system] peek_char((0x558d99e6bec0), _945582)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_950302, v('(', ')', end_of_file), 'I')
   Fail: (218) [system] arg(_951234, v('(', ')', end_of_file), 'I')
^  Fail: (217) [user] is_delimiter('I')
   Call: (217) [system] ')'=='I'
   Fail: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (217) [system] get_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(\)
   Fail: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _958584)
   Call: (218) [system] peek_char((0x558d99e6bec0), _959518)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_964238, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_965170, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _972520)
   Call: (219) [system] peek_char((0x558d99e6bec0), _973454)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_978174, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_979106, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _986456)
   Call: (220) [system] peek_char((0x558d99e6bec0), _987390)
   Exit: (220) [system] peek_char((0x558d99e6bec0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_992110, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_993042, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x558d99e6bec0), r)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1000392)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1001326)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1006046, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1006978, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1014328)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1015262)
   Exit: (222) [system] peek_char((0x558d99e6bec0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1019982, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1020914, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x558d99e6bec0), d)
   Exit: (222) [system] get_char((0x558d99e6bec0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028264)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1029198)
   Exit: (223) [system] peek_char((0x558d99e6bec0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1033918, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1034850, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x558d99e6bec0), u)
   Exit: (223) [system] get_char((0x558d99e6bec0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1042200)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1043134)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1047854, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1048786, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1056136)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1057070)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1061790, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1062722, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1070072)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1071006)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1075726, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1076658, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1084008)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1084942)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1089662, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1090594, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1097944)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1098878)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1103598, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1104530, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1111880)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1112814)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1111880=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1097944=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (227) [system] _1084008=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (226) [system] _1070072=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (225) [system] _1056136=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (224) [system] _1042200=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (223) [system] _1028264=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (222) [system] _1014328=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (221) [system] _1000392=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _986456=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _972520=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _958584=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _944648=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _930712=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _916776=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _902840=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _888904=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _874968=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _861032=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _847096=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _833160=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _819224=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _805288=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _771634)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1183592, _1183594), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _771634), _1183568, fail)), '$restore_trace'(_1183592, _1183594))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1183592, _1183594))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _771634), _1183568, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_771634)
   Fail: (207) [system] atomic(_771634)
   Call: (207) [system] atom_chars(_771634, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1192968)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1194826)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _1202564)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1205268)
   Exit: (207) [system] peek_char((0x558d99e6bec0), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1220346)
   Exit: (205) [system] peek_char((0x558d99e6bec0), a)
   Call: (205) [system] a=')'
   Fail: (205) [system] a=')'
   Call: (205) [system] a=end_of_file
   Fail: (205) [system] a=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1225916)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1227774)
   Exit: (207) [system] peek_char((0x558d99e6bec0), a)
   Call: (207) [system] a=(;)
   Fail: (207) [system] a=(;)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Fail: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Fail: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Fail: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
   Fail: (208) [system] char_type(a, cntrl)
^  Fail: (207) [user] is_like_space(a)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1241928)
   Exit: (206) [system] get_char((0x558d99e6bec0), a)
   Call: (206) [system] a='('
   Fail: (206) [system] a='('
   Call: (206) [system] a='['
   Fail: (206) [system] a='['
   Call: (206) [system] a='{'
   Fail: (206) [system] a='{'
   Call: (206) [system] a='"'
   Fail: (206) [system] a='"'
   Call: (206) [system] a=!
   Fail: (206) [system] a=!
   Call: (206) [system] a='\''
   Fail: (206) [system] a='\''
   Call: (206) [system] a='`'
   Fail: (206) [system] a='`'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), a, _1225916)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1259570)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1260504)
   Exit: (208) [system] peek_char((0x558d99e6bec0), b)
^  Call: (208) [user] is_delimiter(b)
   Call: (209) [system] char_type(b, space)
   Fail: (209) [system] char_type(b, space)
   Call: (209) [system] arg(_1265224, v('(', ')', end_of_file), b)
   Fail: (209) [system] arg(_1266156, v('(', ')', end_of_file), b)
^  Fail: (208) [user] is_delimiter(b)
   Call: (208) [system] ')'==b
   Fail: (208) [system] ')'==b
   Call: (208) [system] get_char((0x558d99e6bec0), b)
   Exit: (208) [system] get_char((0x558d99e6bec0), b)
   Call: (208) [system] b=(\)
   Fail: (208) [system] b=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1273506)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1274440)
   Exit: (209) [system] peek_char((0x558d99e6bec0), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Fail: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1279160, v('(', ')', end_of_file), c)
   Fail: (210) [system] arg(_1280092, v('(', ')', end_of_file), c)
^  Fail: (209) [user] is_delimiter(c)
   Call: (209) [system] ')'==c
   Fail: (209) [system] ')'==c
   Call: (209) [system] get_char((0x558d99e6bec0), c)
   Exit: (209) [system] get_char((0x558d99e6bec0), c)
   Call: (209) [system] c=(\)
   Fail: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1287442)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1288376)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1287442=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1273506=[c]
   Exit: (209) [system] [c]=[c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (208) [system] _1259570=[b, c]
   Exit: (208) [system] [b, c]=[b, c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (207) [user] classify_and_convert_charseq(a, [b, c], _1225916)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1303274, _1303276), once(user:catch(read_from_chars([a, b, c], _1225916), _1303250, fail)), '$restore_trace'(_1303274, _1303276))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1303274, _1303276))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1303250, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(abc)
   Exit: (208) [system] atomic(abc)
^  Exit: (207) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1310774)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1312632)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1320370)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1323074)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1338152)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1343722)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1345580)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1359734)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1343722)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1365304)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1379458)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1385028)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1386886)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1401040)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1385028)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1418682)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1419616)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1424336, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1425268, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1432618)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1433552)
   Exit: (212) [system] peek_char((0x558d99e6bec0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1438272, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1439204, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x558d99e6bec0), s)
   Exit: (212) [system] get_char((0x558d99e6bec0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1446554)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1447488)
   Exit: (213) [system] peek_char((0x558d99e6bec0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_1452208, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_1453140, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x558d99e6bec0), j)
   Exit: (213) [system] get_char((0x558d99e6bec0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1460490)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1461424)
   Exit: (214) [system] peek_char((0x558d99e6bec0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_1466144, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_1467076, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x558d99e6bec0), u)
   Exit: (214) [system] get_char((0x558d99e6bec0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1474426)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1475360)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1480080, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1481012, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1488362)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1489296)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1494016, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1494948, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1502298)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1503232)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1507952, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1508884, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1516234)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1517168)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1521888, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1522820, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1530170)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1531104)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1535824, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1536756, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1544106)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1545040)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1549760, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1550692, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1558042)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1558976)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_1563696, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_1564628, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1571978)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1572912)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1577632, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1578564, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1585914)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1586848)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1591568, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1592500, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1599850)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1600784)
   Exit: (224) [system] peek_char((0x558d99e6bec0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1605504, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1606436, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x558d99e6bec0), r)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1613786)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1614720)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1619440, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1620372, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1627722)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1628656)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1633376, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1634308, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1641658)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1642592)
   Exit: (227) [system] peek_char((0x558d99e6bec0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1647312, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1648244, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x558d99e6bec0), u)
   Exit: (227) [system] get_char((0x558d99e6bec0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1655594)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1656528)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1661248, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1662180, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1669530)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1670464)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1675184, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1676116, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1683466)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1684400)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1689120, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1690052, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1697402)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1698336)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1703056, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1703988, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711338)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1712272)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1716992, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1717924, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1725274)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1726208)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1725274=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _1711338=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _1697402=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _1683466=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _1669530=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _1655594=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (227) [system] _1641658=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (226) [system] _1627722=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (225) [system] _1613786=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _1599850=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1585914=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1571978=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1558042=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1544106=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1530170=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1516234=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1502298=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1488362=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1474426=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1460490=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1446554=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1432618=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1418682=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1385028)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1796986, _1796988), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1385028), _1796962, fail)), '$restore_trace'(_1796986, _1796988))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1796986, _1796988))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1385028), _1796962, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1385028)
   Fail: (211) [system] atomic(_1385028)
   Call: (211) [system] atom_chars(_1385028, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1806362)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1808220)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1815958)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1818662)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1833740)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1839310)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1841168)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1855322)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, _1839310)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1872964)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1873898)
   Exit: (212) [system] peek_char((0x558d99e6bec0), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_1878618, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_1879550, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x558d99e6bec0), b)
   Exit: (212) [system] get_char((0x558d99e6bec0), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1886900)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1887834)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1892554, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1893486, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x558d99e6bec0), c)
   Exit: (213) [system] get_char((0x558d99e6bec0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1900836)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1901770)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1900836=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1886900=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (212) [system] _1872964=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (211) [user] classify_and_convert_charseq(a, [b, c], _1839310)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1916668, _1916670), once(user:catch(read_from_chars([a, b, c], _1839310), _1916644, fail)), '$restore_trace'(_1916668, _1916670))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1916668, _1916670))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1916644, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1924168)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1926026)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1933764)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1936468)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1951546)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
   Call: (210) [system] c=')'
   Fail: (210) [system] c=')'
   Call: (210) [system] c=end_of_file
   Fail: (210) [system] c=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1957116)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1958974)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(;)
   Fail: (212) [system] c=(;)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Fail: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Fail: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
   Fail: (213) [system] char_type(c, cntrl)
^  Fail: (212) [user] is_like_space(c)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1973128)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c='('
   Fail: (211) [system] c='('
   Call: (211) [system] c='['
   Fail: (211) [system] c='['
   Call: (211) [system] c='{'
   Fail: (211) [system] c='{'
   Call: (211) [system] c='"'
   Fail: (211) [system] c='"'
   Call: (211) [system] c=!
   Fail: (211) [system] c=!
   Call: (211) [system] c='\''
   Fail: (211) [system] c='\''
   Call: (211) [system] c='`'
   Fail: (211) [system] c='`'
   Call: (211) [system] c=end_of_file
   Fail: (211) [system] c=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), c, _1957116)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1990770)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1991704)
   Exit: (213) [system] peek_char((0x558d99e6bec0), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Fail: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1996424, v('(', ')', end_of_file), d)
   Fail: (214) [system] arg(_1997356, v('(', ')', end_of_file), d)
^  Fail: (213) [user] is_delimiter(d)
   Call: (213) [system] ')'==d
   Fail: (213) [system] ')'==d
   Call: (213) [system] get_char((0x558d99e6bec0), d)
   Exit: (213) [system] get_char((0x558d99e6bec0), d)
   Call: (213) [system] d=(\)
   Fail: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2004706)
   Call: (214) [system] peek_char((0x558d99e6bec0), _2005640)
   Exit: (214) [system] peek_char((0x558d99e6bec0), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Fail: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_2010360, v('(', ')', end_of_file), e)
   Fail: (215) [system] arg(_2011292, v('(', ')', end_of_file), e)
^  Fail: (214) [user] is_delimiter(e)
   Call: (214) [system] ')'==e
   Fail: (214) [system] ')'==e
   Call: (214) [system] get_char((0x558d99e6bec0), e)
   Exit: (214) [system] get_char((0x558d99e6bec0), e)
   Call: (214) [system] e=(\)
   Fail: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2018642)
   Call: (215) [system] peek_char((0x558d99e6bec0), _2019576)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_2024296, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _2018642=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _2004706=[e]
   Exit: (214) [system] [e]=[e]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (213) [system] _1990770=[d, e]
   Exit: (213) [system] [d, e]=[d, e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (212) [user] classify_and_convert_charseq(c, [d, e], _1957116)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_2036346, _2036348), once(user:catch(read_from_chars([c, d, e], _1957116), _2036322, fail)), '$restore_trace'(_2036346, _2036348))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_2036346, _2036348))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _2036322, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(cde)
   Exit: (213) [system] atomic(cde)
^  Exit: (212) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _2043846)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2045704)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2059858)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _2063648)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _2043846=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1924168=[cde]
   Exit: (210) [system] [cde]=[cde]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (209) [system] _1806362=[abc, cde]
   Exit: (209) [system] [abc, cde]=[abc, cde]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [abc, cde])
   Call: (208) [system] _1343722=['DisjunctionIntroduction', abc, cde]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, cde])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, cde])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _2077530)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _2079388)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _2093542)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _5114)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _4510=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _4486=[['DisjunctionIntroduction', abc, cde]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, cde]]=[['DisjunctionIntroduction', abc, cde]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, cde]])
   Call: (205) [system] _4480=[abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (205) [system] [abc, ['DisjunctionIntroduction', abc, cde]]=[abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', abc, cde]])
   Call: (204) [system] _4472=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (204) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _18996)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _20854)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _28592)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _31296)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _46374)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _51944)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _53802)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _67956)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _51944)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _73526)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (206) [system] 'O'=(;)
   Fail: (206) [system] 'O'=(;)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Fail: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Fail: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Fail: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
   Fail: (207) [system] char_type('O', cntrl)
^  Fail: (206) [user] is_like_space('O')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _87680)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (205) [system] 'O'=')'
   Fail: (205) [system] 'O'=')'
   Call: (205) [system] 'O'=end_of_file
   Fail: (205) [system] 'O'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _93250)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _95108)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _109262)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'O')
   Call: (206) [system] 'O'='('
   Fail: (206) [system] 'O'='('
   Call: (206) [system] 'O'='['
   Fail: (206) [system] 'O'='['
   Call: (206) [system] 'O'='{'
   Fail: (206) [system] 'O'='{'
   Call: (206) [system] 'O'='"'
   Fail: (206) [system] 'O'='"'
   Call: (206) [system] 'O'=!
   Fail: (206) [system] 'O'=!
   Call: (206) [system] 'O'='\''
   Fail: (206) [system] 'O'='\''
   Call: (206) [system] 'O'='`'
   Fail: (206) [system] 'O'='`'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _93250)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _126904)
   Call: (208) [system] peek_char((0x558d99e6bec0), _127838)
   Exit: (208) [system] peek_char((0x558d99e6bec0), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Fail: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_132558, v('(', ')', end_of_file), r)
   Fail: (209) [system] arg(_133490, v('(', ')', end_of_file), r)
^  Fail: (208) [user] is_delimiter(r)
   Call: (208) [system] ')'==r
   Fail: (208) [system] ')'==r
   Call: (208) [system] get_char((0x558d99e6bec0), r)
   Exit: (208) [system] get_char((0x558d99e6bec0), r)
   Call: (208) [system] r=(\)
   Fail: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _140840)
   Call: (209) [system] peek_char((0x558d99e6bec0), _141774)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Fail: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_146494, v('(', ')', end_of_file), 'L')
   Fail: (210) [system] arg(_147426, v('(', ')', end_of_file), 'L')
^  Fail: (209) [user] is_delimiter('L')
   Call: (209) [system] ')'=='L'
   Fail: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (209) [system] get_char((0x558d99e6bec0), 'L')
   Call: (209) [system] 'L'=(\)
   Fail: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _154776)
   Call: (210) [system] peek_char((0x558d99e6bec0), _155710)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_160430, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_161362, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168712)
   Call: (211) [system] peek_char((0x558d99e6bec0), _169646)
   Exit: (211) [system] peek_char((0x558d99e6bec0), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Fail: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_174366, v('(', ')', end_of_file), n)
   Fail: (212) [system] arg(_175298, v('(', ')', end_of_file), n)
^  Fail: (211) [user] is_delimiter(n)
   Call: (211) [system] ')'==n
   Fail: (211) [system] ')'==n
   Call: (211) [system] get_char((0x558d99e6bec0), n)
   Exit: (211) [system] get_char((0x558d99e6bec0), n)
   Call: (211) [system] n=(\)
   Fail: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182648)
   Call: (212) [system] peek_char((0x558d99e6bec0), _183582)
   Exit: (212) [system] peek_char((0x558d99e6bec0), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Fail: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_188302, v('(', ')', end_of_file), k)
   Fail: (213) [system] arg(_189234, v('(', ')', end_of_file), k)
^  Fail: (212) [user] is_delimiter(k)
   Call: (212) [system] ')'==k
   Fail: (212) [system] ')'==k
   Call: (212) [system] get_char((0x558d99e6bec0), k)
   Exit: (212) [system] get_char((0x558d99e6bec0), k)
   Call: (212) [system] k=(\)
   Fail: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _196584)
   Call: (213) [system] peek_char((0x558d99e6bec0), _197518)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _196584=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _182648=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (211) [system] _168712=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (210) [system] _154776=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (209) [system] _140840=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (208) [system] _126904=[r, 'L', i, n, k]
   Exit: (208) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _93250)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_220798, _220800), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _93250), _220774, fail)), '$restore_trace'(_220798, _220800))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_220798, _220800))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _93250), _220774, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_93250)
   Fail: (208) [system] atomic(_93250)
   Call: (208) [system] atom_chars(_93250, ['O', r, 'L', i, n, k])
   Exit: (208) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _230174)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _232032)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _239770)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _242474)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _257552)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _263122)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _264980)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _279134)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _263122)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _284704)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=(;)
   Fail: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Fail: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Fail: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Fail: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
   Fail: (210) [system] char_type('I', cntrl)
^  Fail: (209) [user] is_like_space('I')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _298858)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (208) [system] 'I'=')'
   Fail: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
   Fail: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _304428)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _306286)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _320440)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'='('
   Fail: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Fail: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Fail: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Fail: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Fail: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Fail: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Fail: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _304428)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _338082)
   Call: (211) [system] peek_char((0x558d99e6bec0), _339016)
   Exit: (211) [system] peek_char((0x558d99e6bec0), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Fail: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_343736, v('(', ')', end_of_file), m)
   Fail: (212) [system] arg(_344668, v('(', ')', end_of_file), m)
^  Fail: (211) [user] is_delimiter(m)
   Call: (211) [system] ')'==m
   Fail: (211) [system] ')'==m
   Call: (211) [system] get_char((0x558d99e6bec0), m)
   Exit: (211) [system] get_char((0x558d99e6bec0), m)
   Call: (211) [system] m=(\)
   Fail: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _352018)
   Call: (212) [system] peek_char((0x558d99e6bec0), _352952)
   Exit: (212) [system] peek_char((0x558d99e6bec0), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Fail: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_357672, v('(', ')', end_of_file), p)
   Fail: (213) [system] arg(_358604, v('(', ')', end_of_file), p)
^  Fail: (212) [user] is_delimiter(p)
   Call: (212) [system] ')'==p
   Fail: (212) [system] ')'==p
   Call: (212) [system] get_char((0x558d99e6bec0), p)
   Exit: (212) [system] get_char((0x558d99e6bec0), p)
   Call: (212) [system] p=(\)
   Fail: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _365954)
   Call: (213) [system] peek_char((0x558d99e6bec0), _366888)
   Exit: (213) [system] peek_char((0x558d99e6bec0), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Fail: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_371608, v('(', ')', end_of_file), l)
   Fail: (214) [system] arg(_372540, v('(', ')', end_of_file), l)
^  Fail: (213) [user] is_delimiter(l)
   Call: (213) [system] ')'==l
   Fail: (213) [system] ')'==l
   Call: (213) [system] get_char((0x558d99e6bec0), l)
   Exit: (213) [system] get_char((0x558d99e6bec0), l)
   Call: (213) [system] l=(\)
   Fail: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _379890)
   Call: (214) [system] peek_char((0x558d99e6bec0), _380824)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_385544, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_386476, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _393826)
   Call: (215) [system] peek_char((0x558d99e6bec0), _394760)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_399480, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_400412, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _407762)
   Call: (216) [system] peek_char((0x558d99e6bec0), _408696)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_413416, v('(', ')', end_of_file), a)
   Fail: (217) [system] arg(_414348, v('(', ')', end_of_file), a)
^  Fail: (216) [user] is_delimiter(a)
   Call: (216) [system] ')'==a
   Fail: (216) [system] ')'==a
   Call: (216) [system] get_char((0x558d99e6bec0), a)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(\)
   Fail: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _421698)
   Call: (217) [system] peek_char((0x558d99e6bec0), _422632)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_427352, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_428284, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _435634)
   Call: (218) [system] peek_char((0x558d99e6bec0), _436568)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_441288, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_442220, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _449570)
   Call: (219) [system] peek_char((0x558d99e6bec0), _450504)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_455224, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_456156, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _463506)
   Call: (220) [system] peek_char((0x558d99e6bec0), _464440)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_469160, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_470092, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _477442)
   Call: (221) [system] peek_char((0x558d99e6bec0), _478376)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _477442=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _463506=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (219) [system] _449570=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (218) [system] _435634=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (217) [system] _421698=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (216) [system] _407762=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (215) [system] _393826=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (214) [system] _379890=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (213) [system] _365954=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _352018=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _338082=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _304428)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_515626, _515628), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _304428), _515602, fail)), '$restore_trace'(_515626, _515628))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_515626, _515628))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _304428), _515602, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_304428)
   Fail: (211) [system] atomic(_304428)
   Call: (211) [system] atom_chars(_304428, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _525002)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _526860)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _534598)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _537302)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _552380)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _557950)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _559808)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _573962)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _557950)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _579532)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=(;)
   Fail: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Fail: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Fail: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Fail: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
   Fail: (213) [system] char_type('A', cntrl)
^  Fail: (212) [user] is_like_space('A')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _593686)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (211) [system] 'A'=')'
   Fail: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
   Fail: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _599256)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _601114)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _615268)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'='('
   Fail: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Fail: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Fail: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Fail: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Fail: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Fail: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Fail: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _599256)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _632910)
   Call: (214) [system] peek_char((0x558d99e6bec0), _633844)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_638564, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_639496, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _646846)
   Call: (215) [system] peek_char((0x558d99e6bec0), _647780)
   Exit: (215) [system] peek_char((0x558d99e6bec0), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Fail: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_652500, v('(', ')', end_of_file), d)
   Fail: (216) [system] arg(_653432, v('(', ')', end_of_file), d)
^  Fail: (215) [user] is_delimiter(d)
   Call: (215) [system] ')'==d
   Fail: (215) [system] ')'==d
   Call: (215) [system] get_char((0x558d99e6bec0), d)
   Exit: (215) [system] get_char((0x558d99e6bec0), d)
   Call: (215) [system] d=(\)
   Fail: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _660782)
   Call: (216) [system] peek_char((0x558d99e6bec0), _661716)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_666436, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_667368, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _674718)
   Call: (217) [system] peek_char((0x558d99e6bec0), _675652)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_680372, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_681304, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _688654)
   Call: (218) [system] peek_char((0x558d99e6bec0), _689588)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_694308, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_695240, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _702590)
   Call: (219) [system] peek_char((0x558d99e6bec0), _703524)
   Exit: (219) [system] peek_char((0x558d99e6bec0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_708244, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_709176, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x558d99e6bec0), k)
   Exit: (219) [system] get_char((0x558d99e6bec0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _716526)
   Call: (220) [system] peek_char((0x558d99e6bec0), _717460)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _716526=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _702590=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (218) [system] _688654=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (217) [system] _674718=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (216) [system] _660782=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (215) [system] _646846=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (214) [system] _632910=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _599256)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_743534, _743536), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _599256), _743510, fail)), '$restore_trace'(_743534, _743536))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_743534, _743536))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _599256), _743510, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_599256)
   Fail: (214) [system] atomic(_599256)
   Call: (214) [system] atom_chars(_599256, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _752910)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _754768)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _762506)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _765210)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _780288)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _785858)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _787716)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _801870)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _785858)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _819512)
   Call: (215) [system] peek_char((0x558d99e6bec0), _820446)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _819512=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('A', [], _785858)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_829756, _829758), once(user:catch(read_from_chars(['A'], _785858), _829732, fail)), '$restore_trace'(_829756, _829758))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_829756, _829758))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _785858), _829732, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_785858)
   Fail: (215) [system] atomic(_785858)
   Call: (215) [system] atom_chars(_785858, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _839132)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _840990)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _848728)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _851432)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _866510)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _872080)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _873938)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _888092)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _872080)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _905734)
   Call: (216) [system] peek_char((0x558d99e6bec0), _906668)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_911388, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _905734=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('B', [], _872080)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_917850, _917852), once(user:catch(read_from_chars(['B'], _872080), _917826, fail)), '$restore_trace'(_917850, _917852))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_917850, _917852))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _872080), _917826, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_872080)
   Fail: (216) [system] atomic(_872080)
   Call: (216) [system] atom_chars(_872080, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _927226)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _929084)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _943238)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _947028)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _927226=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _839132=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (212) [system] _752910=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (211) [system] _557950=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _960910)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _962768)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _970506)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _973210)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _988288)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (210) [system] 'C'=')'
   Fail: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
   Fail: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _993858)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _995716)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=(;)
   Fail: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Fail: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Fail: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Fail: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
   Fail: (213) [system] char_type('C', cntrl)
^  Fail: (212) [user] is_like_space('C')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1009870)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'='('
   Fail: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Fail: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Fail: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Fail: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Fail: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Fail: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Fail: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _993858)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1027512)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1028446)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1033166, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1027512=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq('C', [], _993858)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1039628, _1039630), once(user:catch(read_from_chars(['C'], _993858), _1039604, fail)), '$restore_trace'(_1039628, _1039630))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1039628, _1039630))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _993858), _1039604, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_993858)
   Fail: (213) [system] atomic(_993858)
   Call: (213) [system] atom_chars(_993858, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1049004)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1050862)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1065016)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _1068806)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _1049004=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _960910=['C']
   Exit: (210) [system] ['C']=['C']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (209) [system] _525002=[['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (208) [system] _263122=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1082688)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1084546)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1092284)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1094988)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1110066)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1115636)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1117494)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1131648)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1115636)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1137218)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1151372)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1156942)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1158800)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1172954)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1156942)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1190596)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1191530)
   Exit: (212) [system] peek_char((0x558d99e6bec0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1196250, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_1197182, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x558d99e6bec0), r)
   Exit: (212) [system] get_char((0x558d99e6bec0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1204532)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1205466)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1210186, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_1211118, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1218468)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1219402)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1224122, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1225054, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1232404)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1233338)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1238058, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1238990, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1246340)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1247274)
   Exit: (216) [system] peek_char((0x558d99e6bec0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1251994, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_1252926, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x558d99e6bec0), k)
   Exit: (216) [system] get_char((0x558d99e6bec0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1260276)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1261210)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1260276=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _1246340=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (215) [system] _1232404=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (214) [system] _1218468=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (213) [system] _1204532=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (212) [system] _1190596=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1156942)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1284490, _1284492), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1156942), _1284466, fail)), '$restore_trace'(_1284490, _1284492))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1284490, _1284492))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1156942), _1284466, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1156942)
   Fail: (212) [system] atomic(_1156942)
   Call: (212) [system] atom_chars(_1156942, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1293866)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1295724)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1303462)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1306166)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1321244)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1326814)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1328672)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1342826)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1326814)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1348396)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1362550)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1368120)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1369978)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1384132)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1368120)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1401774)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1402708)
   Exit: (215) [system] peek_char((0x558d99e6bec0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1407428, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_1408360, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x558d99e6bec0), m)
   Exit: (215) [system] get_char((0x558d99e6bec0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1415710)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1416644)
   Exit: (216) [system] peek_char((0x558d99e6bec0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1421364, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1422296, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x558d99e6bec0), p)
   Exit: (216) [system] get_char((0x558d99e6bec0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1429646)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1430580)
   Exit: (217) [system] peek_char((0x558d99e6bec0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1435300, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1436232, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x558d99e6bec0), l)
   Exit: (217) [system] get_char((0x558d99e6bec0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1443582)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1444516)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1449236, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1450168, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1457518)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1458452)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1463172, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1464104, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1471454)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1472388)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1477108, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_1478040, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x558d99e6bec0), a)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1485390)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1486324)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1491044, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1491976, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1499326)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1500260)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1504980, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1505912, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1513262)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1514196)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1518916, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1519848, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1527198)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1528132)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1532852, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1533784, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1541134)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1542068)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1541134=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1527198=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (223) [system] _1513262=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (222) [system] _1499326=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (221) [system] _1485390=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (220) [system] _1471454=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (219) [system] _1457518=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (218) [system] _1443582=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (217) [system] _1429646=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _1415710=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _1401774=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1368120)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1579318, _1579320), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1368120), _1579294, fail)), '$restore_trace'(_1579318, _1579320))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1579318, _1579320))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1368120), _1579294, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1368120)
   Fail: (215) [system] atomic(_1368120)
   Call: (215) [system] atom_chars(_1368120, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1588694)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1590552)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1598290)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1600994)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1616072)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1621642)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1623500)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1637654)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1621642)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1643224)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1657378)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1662948)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1664806)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1678960)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1662948)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1696602)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1697536)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1702256, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1703188, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1710538)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1711472)
   Exit: (219) [system] peek_char((0x558d99e6bec0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1716192, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1717124, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x558d99e6bec0), d)
   Exit: (219) [system] get_char((0x558d99e6bec0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1724474)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1725408)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1730128, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1731060, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1738410)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1739344)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1744064, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1744996, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1752346)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1753280)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1758000, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1758932, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1766282)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1767216)
   Exit: (223) [system] peek_char((0x558d99e6bec0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1771936, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1772868, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x558d99e6bec0), k)
   Exit: (223) [system] get_char((0x558d99e6bec0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1780218)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1781152)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1780218=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1766282=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (222) [system] _1752346=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (221) [system] _1738410=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (220) [system] _1724474=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (219) [system] _1710538=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (218) [system] _1696602=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1662948)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1807226, _1807228), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1662948), _1807202, fail)), '$restore_trace'(_1807226, _1807228))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1807226, _1807228))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1662948), _1807202, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1662948)
   Fail: (218) [system] atomic(_1662948)
   Call: (218) [system] atom_chars(_1662948, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1816602)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1818460)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1826198)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1828902)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1843980)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1849550)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1851408)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1865562)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1849550)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1883204)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1884138)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1883204=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('A', [], _1849550)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1893448, _1893450), once(user:catch(read_from_chars(['A'], _1849550), _1893424, fail)), '$restore_trace'(_1893448, _1893450))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1893448, _1893450))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1849550), _1893424, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1849550)
   Fail: (219) [system] atomic(_1849550)
   Call: (219) [system] atom_chars(_1849550, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1902824)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1904682)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1912420)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1915124)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1930202)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1935772)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1937630)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1951784)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1935772)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1969426)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1970360)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1975080, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1969426=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('B', [], _1935772)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1981542, _1981544), once(user:catch(read_from_chars(['B'], _1935772), _1981518, fail)), '$restore_trace'(_1981542, _1981544))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1981542, _1981544))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1935772), _1981518, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1935772)
   Fail: (220) [system] atomic(_1935772)
   Call: (220) [system] atom_chars(_1935772, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1990918)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1992776)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2006930)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _2010720)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _1990918=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1902824=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (216) [system] _1816602=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (215) [system] _1621642=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _2024602)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _2026460)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _2034198)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2036902)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2051980)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _2057550)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2059408)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _2073562)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _2057550)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091204)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2092138)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_4696, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _4620=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('C', [], _4616)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_11110, _11112), once(user:catch(read_from_chars(['C'], _4616), _11086, fail)), '$restore_trace'(_11110, _11112))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_11110, _11112))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _4616), _11086, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_4616)
   Fail: (217) [system] atomic(_4616)
   Call: (217) [system] atom_chars(_4616, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _20486)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _22344)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _36498)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _40288)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _20486=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _4612=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (213) [system] _4588=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _4580=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _54170)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _56028)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _63766)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _66470)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _81548)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _87118)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _88976)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _103130)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _87118)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _108700)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _122854)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _128424)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _130282)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _144436)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _128424)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _162078)
   Call: (216) [system] peek_char((0x558d99e6bec0), _163012)
   Exit: (216) [system] peek_char((0x558d99e6bec0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_167732, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_168664, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x558d99e6bec0), m)
   Exit: (216) [system] get_char((0x558d99e6bec0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _176014)
   Call: (217) [system] peek_char((0x558d99e6bec0), _176948)
   Exit: (217) [system] peek_char((0x558d99e6bec0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_181668, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_182600, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x558d99e6bec0), p)
   Exit: (217) [system] get_char((0x558d99e6bec0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _189950)
   Call: (218) [system] peek_char((0x558d99e6bec0), _190884)
   Exit: (218) [system] peek_char((0x558d99e6bec0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_195604, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_196536, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x558d99e6bec0), l)
   Exit: (218) [system] get_char((0x558d99e6bec0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _203886)
   Call: (219) [system] peek_char((0x558d99e6bec0), _204820)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_209540, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_210472, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _217822)
   Call: (220) [system] peek_char((0x558d99e6bec0), _218756)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_223476, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_224408, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _231758)
   Call: (221) [system] peek_char((0x558d99e6bec0), _232692)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_237412, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_238344, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x558d99e6bec0), a)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _245694)
   Call: (222) [system] peek_char((0x558d99e6bec0), _246628)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_251348, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_252280, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _259630)
   Call: (223) [system] peek_char((0x558d99e6bec0), _260564)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_265284, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_266216, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _273566)
   Call: (224) [system] peek_char((0x558d99e6bec0), _274500)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_279220, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_280152, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _287502)
   Call: (225) [system] peek_char((0x558d99e6bec0), _288436)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_293156, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_294088, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _301438)
   Call: (226) [system] peek_char((0x558d99e6bec0), _302372)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _301438=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _287502=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (224) [system] _273566=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (223) [system] _259630=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (222) [system] _245694=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (221) [system] _231758=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (220) [system] _217822=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (219) [system] _203886=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (218) [system] _189950=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _176014=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _162078=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _128424)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_339622, _339624), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _128424), _339598, fail)), '$restore_trace'(_339622, _339624))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_339622, _339624))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _128424), _339598, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_128424)
   Fail: (216) [system] atomic(_128424)
   Call: (216) [system] atom_chars(_128424, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _348998)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _350856)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _358594)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _361298)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _376376)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _381946)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _383804)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _397958)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _381946)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _403528)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _417682)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _423252)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _425110)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _439264)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _423252)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _456906)
   Call: (219) [system] peek_char((0x558d99e6bec0), _457840)
   Exit: (219) [system] peek_char((0x558d99e6bec0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_462560, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_463492, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x558d99e6bec0), r)
   Exit: (219) [system] get_char((0x558d99e6bec0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _470842)
   Call: (220) [system] peek_char((0x558d99e6bec0), _471776)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_476496, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_477428, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _484778)
   Call: (221) [system] peek_char((0x558d99e6bec0), _485712)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_490432, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_491364, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _498714)
   Call: (222) [system] peek_char((0x558d99e6bec0), _499648)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_504368, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_505300, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _512650)
   Call: (223) [system] peek_char((0x558d99e6bec0), _513584)
   Exit: (223) [system] peek_char((0x558d99e6bec0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_518304, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_519236, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x558d99e6bec0), k)
   Exit: (223) [system] get_char((0x558d99e6bec0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _526586)
   Call: (224) [system] peek_char((0x558d99e6bec0), _527520)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _526586=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _512650=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (222) [system] _498714=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (221) [system] _484778=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (220) [system] _470842=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (219) [system] _456906=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _423252)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_550800, _550802), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _423252), _550776, fail)), '$restore_trace'(_550800, _550802))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_550800, _550802))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _423252), _550776, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_423252)
   Fail: (219) [system] atomic(_423252)
   Call: (219) [system] atom_chars(_423252, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _560176)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _562034)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _569772)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _572476)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _587554)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _593124)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _594982)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _609136)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _593124)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _626778)
   Call: (220) [system] peek_char((0x558d99e6bec0), _627712)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _626778=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _593124)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_637022, _637024), once(user:catch(read_from_chars(['C'], _593124), _636998, fail)), '$restore_trace'(_637022, _637024))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_637022, _637024))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _593124), _636998, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_593124)
   Fail: (220) [system] atomic(_593124)
   Call: (220) [system] atom_chars(_593124, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _646398)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _648256)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _655994)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _658698)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _673776)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _679346)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _681204)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _695358)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _679346)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _713000)
   Call: (221) [system] peek_char((0x558d99e6bec0), _713934)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_718654, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _713000=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('D', [], _679346)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_725116, _725118), once(user:catch(read_from_chars(['D'], _679346), _725092, fail)), '$restore_trace'(_725116, _725118))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_725116, _725118))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _679346), _725092, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_679346)
   Fail: (221) [system] atomic(_679346)
   Call: (221) [system] atom_chars(_679346, ['D'])
   Exit: (221) [system] atom_chars('D', ['D'])
^  Exit: (220) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _734492)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _736350)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _750504)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _754294)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _734492=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _646398=['D']
   Exit: (218) [system] ['D']=['D']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (217) [system] _560176=['C', 'D']
   Exit: (217) [system] ['C', 'D']=['C', 'D']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (216) [system] _381946=['OrLink', 'C', 'D']
   Exit: (216) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _768176)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _770034)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _777772)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _780476)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _795554)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (215) [system] 'E'=')'
   Fail: (215) [system] 'E'=')'
   Call: (215) [system] 'E'=end_of_file
   Fail: (215) [system] 'E'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _801124)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _802982)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (217) [system] 'E'=(;)
   Fail: (217) [system] 'E'=(;)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Fail: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Fail: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Fail: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
   Fail: (218) [system] char_type('E', cntrl)
^  Fail: (217) [user] is_like_space('E')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _817136)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'E')
   Call: (216) [system] 'E'='('
   Fail: (216) [system] 'E'='('
   Call: (216) [system] 'E'='['
   Fail: (216) [system] 'E'='['
   Call: (216) [system] 'E'='{'
   Fail: (216) [system] 'E'='{'
   Call: (216) [system] 'E'='"'
   Fail: (216) [system] 'E'='"'
   Call: (216) [system] 'E'=!
   Fail: (216) [system] 'E'=!
   Call: (216) [system] 'E'='\''
   Fail: (216) [system] 'E'='\''
   Call: (216) [system] 'E'='`'
   Fail: (216) [system] 'E'='`'
   Call: (216) [system] 'E'=end_of_file
   Fail: (216) [system] 'E'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _801124)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _834778)
   Call: (218) [system] peek_char((0x558d99e6bec0), _835712)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_840432, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _834778=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('E', [], _801124)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_846894, _846896), once(user:catch(read_from_chars(['E'], _801124), _846870, fail)), '$restore_trace'(_846894, _846896))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_846894, _846896))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _801124), _846870, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_801124)
   Fail: (218) [system] atomic(_801124)
   Call: (218) [system] atom_chars(_801124, ['E'])
   Exit: (218) [system] atom_chars('E', ['E'])
^  Exit: (217) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _856270)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _858128)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _872282)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _876072)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _856270=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _768176=['E']
   Exit: (215) [system] ['E']=['E']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (214) [system] _348998=[['OrLink', 'C', 'D'], 'E']
   Exit: (214) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (213) [system] _87118=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _889954)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _891812)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _905966)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _909756)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _889954=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _54170=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (211) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (210) [system] _4576=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _4568=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _923638)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _925496)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _939650)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _943440)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _923638=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _4564=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (206) [system] _4522=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4514=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _957322)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _959180)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=(;)
   Fail: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Fail: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Fail: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Fail: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
   Fail: (206) [system] char_type(')', cntrl)
^  Fail: (205) [user] is_like_space(')')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _973334)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x558d99e6bec0), _977124)
   Exit: (204) [system] get_char((0x558d99e6bec0), ')')
   Call: (204) [system] _957322=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (203) [system] _4510=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (203) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (202) [system] _4468=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (202) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (201) [system] _4460=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (201) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (200) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (199) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (199) [user] read_list(')', (0x558d99e6bec0), _991006)
^  Call: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _992864)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (201) [system] '\n'=(;)
   Fail: (201) [system] '\n'=(;)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Fail: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x558d99e6bec0), _1002458)
   Exit: (201) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1005162)
   Exit: (202) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (202) [system] ' '=(;)
   Fail: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x558d99e6bec0), _1012900)
   Exit: (202) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1015604)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (200) [user] skip_spaces((0x558d99e6bec0))
   Call: (200) [system] peek_char((0x558d99e6bec0), _1031606)
   Exit: (200) [system] peek_char((0x558d99e6bec0), '(')
   Call: (200) [system] '('=')'
   Fail: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
   Fail: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x558d99e6bec0), _1037176)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1039034)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=(;)
   Fail: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Fail: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Fail: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Fail: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
   Fail: (203) [system] char_type('(', cntrl)
^  Fail: (202) [user] is_like_space('(')
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] get_char((0x558d99e6bec0), _1053188)
   Exit: (201) [system] get_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _1037176)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1058758)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=(;)
   Fail: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Fail: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Fail: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Fail: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
   Fail: (204) [system] char_type(:, cntrl)
^  Fail: (203) [user] is_like_space(:)
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _1072912)
   Exit: (202) [system] peek_char((0x558d99e6bec0), :)
   Call: (202) [system] (:)=')'
   Fail: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
   Fail: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _1078482)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1080340)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _1094494)
   Exit: (203) [system] get_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)='('
   Fail: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Fail: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Fail: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Fail: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Fail: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Fail: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Fail: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, _1078482)
^  Call: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1112136)
   Call: (205) [system] peek_char((0x558d99e6bec0), _1113070)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1112136=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _1078482)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1122380, _1122382), once(user:catch(read_from_chars([:], _1078482), _1122356, fail)), '$restore_trace'(_1122380, _1122382))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1122380, _1122382))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1122356, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1129880)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1131738)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _1139476)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1142180)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1157258)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1162828)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1164686)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1178840)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1162828)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1184410)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (206) [system] 'D'=(;)
   Fail: (206) [system] 'D'=(;)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Fail: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Fail: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Fail: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
   Fail: (207) [system] char_type('D', cntrl)
^  Fail: (206) [user] is_like_space('D')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1198564)
   Exit: (205) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (205) [system] 'D'=')'
   Fail: (205) [system] 'D'=')'
   Call: (205) [system] 'D'=end_of_file
   Fail: (205) [system] 'D'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1204134)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1205992)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1220146)
   Exit: (206) [system] get_char((0x558d99e6bec0), 'D')
   Call: (206) [system] 'D'='('
   Fail: (206) [system] 'D'='('
   Call: (206) [system] 'D'='['
   Fail: (206) [system] 'D'='['
   Call: (206) [system] 'D'='{'
   Fail: (206) [system] 'D'='{'
   Call: (206) [system] 'D'='"'
   Fail: (206) [system] 'D'='"'
   Call: (206) [system] 'D'=!
   Fail: (206) [system] 'D'=!
   Call: (206) [system] 'D'='\''
   Fail: (206) [system] 'D'='\''
   Call: (206) [system] 'D'='`'
   Fail: (206) [system] 'D'='`'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1204134)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1237788)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1238722)
   Exit: (208) [system] peek_char((0x558d99e6bec0), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Fail: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1243442, v('(', ')', end_of_file), i)
   Fail: (209) [system] arg(_1244374, v('(', ')', end_of_file), i)
^  Fail: (208) [user] is_delimiter(i)
   Call: (208) [system] ')'==i
   Fail: (208) [system] ')'==i
   Call: (208) [system] get_char((0x558d99e6bec0), i)
   Exit: (208) [system] get_char((0x558d99e6bec0), i)
   Call: (208) [system] i=(\)
   Fail: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1251724)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1252658)
   Exit: (209) [system] peek_char((0x558d99e6bec0), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Fail: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1257378, v('(', ')', end_of_file), s)
   Fail: (210) [system] arg(_1258310, v('(', ')', end_of_file), s)
^  Fail: (209) [user] is_delimiter(s)
   Call: (209) [system] ')'==s
   Fail: (209) [system] ')'==s
   Call: (209) [system] get_char((0x558d99e6bec0), s)
   Exit: (209) [system] get_char((0x558d99e6bec0), s)
   Call: (209) [system] s=(\)
   Fail: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1265660)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1266594)
   Exit: (210) [system] peek_char((0x558d99e6bec0), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Fail: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1271314, v('(', ')', end_of_file), j)
   Fail: (211) [system] arg(_1272246, v('(', ')', end_of_file), j)
^  Fail: (210) [user] is_delimiter(j)
   Call: (210) [system] ')'==j
   Fail: (210) [system] ')'==j
   Call: (210) [system] get_char((0x558d99e6bec0), j)
   Exit: (210) [system] get_char((0x558d99e6bec0), j)
   Call: (210) [system] j=(\)
   Fail: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1279596)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1280530)
   Exit: (211) [system] peek_char((0x558d99e6bec0), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Fail: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1285250, v('(', ')', end_of_file), u)
   Fail: (212) [system] arg(_1286182, v('(', ')', end_of_file), u)
^  Fail: (211) [user] is_delimiter(u)
   Call: (211) [system] ')'==u
   Fail: (211) [system] ')'==u
   Call: (211) [system] get_char((0x558d99e6bec0), u)
   Exit: (211) [system] get_char((0x558d99e6bec0), u)
   Call: (211) [system] u=(\)
   Fail: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1293532)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1294466)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1299186, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_1300118, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1307468)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1308402)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1313122, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1314054, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x558d99e6bec0), c)
   Exit: (213) [system] get_char((0x558d99e6bec0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1321404)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1322338)
   Exit: (214) [system] peek_char((0x558d99e6bec0), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Fail: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1327058, v('(', ')', end_of_file), t)
   Fail: (215) [system] arg(_1327990, v('(', ')', end_of_file), t)
^  Fail: (214) [user] is_delimiter(t)
   Call: (214) [system] ')'==t
   Fail: (214) [system] ')'==t
   Call: (214) [system] get_char((0x558d99e6bec0), t)
   Exit: (214) [system] get_char((0x558d99e6bec0), t)
   Call: (214) [system] t=(\)
   Fail: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1335340)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1336274)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1340994, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1341926, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1349276)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1350210)
   Exit: (216) [system] peek_char((0x558d99e6bec0), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Fail: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1354930, v('(', ')', end_of_file), o)
   Fail: (217) [system] arg(_1355862, v('(', ')', end_of_file), o)
^  Fail: (216) [user] is_delimiter(o)
   Call: (216) [system] ')'==o
   Fail: (216) [system] ')'==o
   Call: (216) [system] get_char((0x558d99e6bec0), o)
   Exit: (216) [system] get_char((0x558d99e6bec0), o)
   Call: (216) [system] o=(\)
   Fail: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1363212)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1364146)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1368866, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1369798, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377148)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1378082)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1382802, v('(', ')', end_of_file), 'I')
   Fail: (219) [system] arg(_1383734, v('(', ')', end_of_file), 'I')
^  Fail: (218) [user] is_delimiter('I')
   Call: (218) [system] ')'=='I'
   Fail: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=(\)
   Fail: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391084)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1392018)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1396738, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1397670, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405020)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1405954)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1410674, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1411606, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1418956)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1419890)
   Exit: (221) [system] peek_char((0x558d99e6bec0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1424610, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1425542, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x558d99e6bec0), r)
   Exit: (221) [system] get_char((0x558d99e6bec0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1432892)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1433826)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1438546, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1439478, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1446828)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1447762)
   Exit: (223) [system] peek_char((0x558d99e6bec0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1452482, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1453414, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x558d99e6bec0), d)
   Exit: (223) [system] get_char((0x558d99e6bec0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1460764)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1461698)
   Exit: (224) [system] peek_char((0x558d99e6bec0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1466418, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1467350, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x558d99e6bec0), u)
   Exit: (224) [system] get_char((0x558d99e6bec0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1474700)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1475634)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1480354, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1481286, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1488636)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1489570)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1494290, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1495222, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1502572)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1503506)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1508226, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1509158, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1516508)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1517442)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1522162, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1523094, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1530444)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1531378)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1536098, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1537030, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1544380)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1545314)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1544380=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _1530444=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (228) [system] _1516508=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (227) [system] _1502572=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (226) [system] _1488636=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (225) [system] _1474700=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (224) [system] _1460764=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (223) [system] _1446828=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (222) [system] _1432892=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1418956=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1405020=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1391084=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1377148=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1363212=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1349276=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1335340=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1321404=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1307468=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1293532=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1279596=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1265660=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1251724=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1237788=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1204134)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1616092, _1616094), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1204134), _1616068, fail)), '$restore_trace'(_1616092, _1616094))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1616092, _1616094))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1204134), _1616068, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1204134)
   Fail: (208) [system] atomic(_1204134)
   Call: (208) [system] atom_chars(_1204134, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1625468)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1627326)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1635064)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1637768)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1652846)
   Exit: (206) [system] peek_char((0x558d99e6bec0), a)
   Call: (206) [system] a=')'
   Fail: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
   Fail: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1658416)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1660274)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=(;)
   Fail: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Fail: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Fail: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Fail: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
   Fail: (209) [system] char_type(a, cntrl)
^  Fail: (208) [user] is_like_space(a)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1674428)
   Exit: (207) [system] get_char((0x558d99e6bec0), a)
   Call: (207) [system] a='('
   Fail: (207) [system] a='('
   Call: (207) [system] a='['
   Fail: (207) [system] a='['
   Call: (207) [system] a='{'
   Fail: (207) [system] a='{'
   Call: (207) [system] a='"'
   Fail: (207) [system] a='"'
   Call: (207) [system] a=!
   Fail: (207) [system] a=!
   Call: (207) [system] a='\''
   Fail: (207) [system] a='\''
   Call: (207) [system] a='`'
   Fail: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), a, _1658416)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1692070)
   Call: (209) [system] peek_char((0x558d99e6bec0), _1693004)
   Exit: (209) [system] peek_char((0x558d99e6bec0), b)
^  Call: (209) [user] is_delimiter(b)
   Call: (210) [system] char_type(b, space)
   Fail: (210) [system] char_type(b, space)
   Call: (210) [system] arg(_1697724, v('(', ')', end_of_file), b)
   Fail: (210) [system] arg(_1698656, v('(', ')', end_of_file), b)
^  Fail: (209) [user] is_delimiter(b)
   Call: (209) [system] ')'==b
   Fail: (209) [system] ')'==b
   Call: (209) [system] get_char((0x558d99e6bec0), b)
   Exit: (209) [system] get_char((0x558d99e6bec0), b)
   Call: (209) [system] b=(\)
   Fail: (209) [system] b=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1706006)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1706940)
   Exit: (210) [system] peek_char((0x558d99e6bec0), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Fail: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1711660, v('(', ')', end_of_file), c)
   Fail: (211) [system] arg(_1712592, v('(', ')', end_of_file), c)
^  Fail: (210) [user] is_delimiter(c)
   Call: (210) [system] ')'==c
   Fail: (210) [system] ')'==c
   Call: (210) [system] get_char((0x558d99e6bec0), c)
   Exit: (210) [system] get_char((0x558d99e6bec0), c)
   Call: (210) [system] c=(\)
   Fail: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1719942)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1720876)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1719942=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (210) [system] _1706006=[c]
   Exit: (210) [system] [c]=[c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (209) [system] _1692070=[b, c]
   Exit: (209) [system] [b, c]=[b, c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (208) [user] classify_and_convert_charseq(a, [b, c], _1658416)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1735774, _1735776), once(user:catch(read_from_chars([a, b, c], _1658416), _1735750, fail)), '$restore_trace'(_1735774, _1735776))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1735774, _1735776))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1735750, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(abc)
   Exit: (209) [system] atomic(abc)
^  Exit: (208) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1743274)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1745132)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1752870)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1755574)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1770652)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1776222)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1778080)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1792234)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1776222)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1797804)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1811958)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1817528)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1819386)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1833540)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1817528)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1851182)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1852116)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1856836, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1857768, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1865118)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1866052)
   Exit: (213) [system] peek_char((0x558d99e6bec0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1870772, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_1871704, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x558d99e6bec0), s)
   Exit: (213) [system] get_char((0x558d99e6bec0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1879054)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1879988)
   Exit: (214) [system] peek_char((0x558d99e6bec0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1884708, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_1885640, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x558d99e6bec0), j)
   Exit: (214) [system] get_char((0x558d99e6bec0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1892990)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1893924)
   Exit: (215) [system] peek_char((0x558d99e6bec0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1898644, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_1899576, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x558d99e6bec0), u)
   Exit: (215) [system] get_char((0x558d99e6bec0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1906926)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1907860)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1912580, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1913512, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1920862)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1921796)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1926516, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1927448, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x558d99e6bec0), c)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1934798)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1935732)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1940452, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1941384, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1948734)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1949668)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1954388, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1955320, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1962670)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1963604)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1968324, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1969256, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1976606)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1977540)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1982260, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1983192, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1990542)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1991476)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1996196, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_1997128, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2004478)
   Call: (223) [system] peek_char((0x558d99e6bec0), _2005412)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_2010132, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_2011064, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2018414)
   Call: (224) [system] peek_char((0x558d99e6bec0), _2019348)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_2024068, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_2025000, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2032350)
   Call: (225) [system] peek_char((0x558d99e6bec0), _2033284)
   Exit: (225) [system] peek_char((0x558d99e6bec0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_2038004, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_2038936, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x558d99e6bec0), r)
   Exit: (225) [system] get_char((0x558d99e6bec0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2046286)
   Call: (226) [system] peek_char((0x558d99e6bec0), _2047220)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_2051940, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_2052872, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2060222)
   Call: (227) [system] peek_char((0x558d99e6bec0), _2061156)
   Exit: (227) [system] peek_char((0x558d99e6bec0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_2065876, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_2066808, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x558d99e6bec0), d)
   Exit: (227) [system] get_char((0x558d99e6bec0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2074158)
   Call: (228) [system] peek_char((0x558d99e6bec0), _2075092)
   Exit: (228) [system] peek_char((0x558d99e6bec0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_2079812, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_2080744, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x558d99e6bec0), u)
   Exit: (228) [system] get_char((0x558d99e6bec0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2088094)
   Call: (229) [system] peek_char((0x558d99e6bec0), _2089028)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_2093748, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_2094680, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x558d99e6bec0), c)
   Exit: (229) [system] get_char((0x558d99e6bec0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _10014)
   Call: (230) [system] peek_char((0x558d99e6bec0), _10948)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_15668, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_16600, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _23950)
   Call: (231) [system] peek_char((0x558d99e6bec0), _24884)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_29604, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_30536, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _37886)
   Call: (232) [system] peek_char((0x558d99e6bec0), _38820)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_43540, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_44472, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _51822)
   Call: (233) [system] peek_char((0x558d99e6bec0), _52756)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_57476, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_58408, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _65758)
   Call: (234) [system] peek_char((0x558d99e6bec0), _66692)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _65758=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _51822=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _37886=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _23950=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _10014=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _4772=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (228) [system] _4768=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (227) [system] _4764=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (226) [system] _4760=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _4756=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _4752=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4748=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4744=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4740=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4736=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4732=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4728=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4724=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4720=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4716=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4712=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4708=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4704=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4700)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_137470, _137472), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4700), _137446, fail)), '$restore_trace'(_137470, _137472))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_137470, _137472))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4700), _137446, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_4700)
   Fail: (212) [system] atomic(_4700)
   Call: (212) [system] atom_chars(_4700, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _146846)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _148704)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _156442)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _159146)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _174224)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _179794)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _181652)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _195806)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, _179794)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _213448)
   Call: (213) [system] peek_char((0x558d99e6bec0), _214382)
   Exit: (213) [system] peek_char((0x558d99e6bec0), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_219102, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_220034, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x558d99e6bec0), b)
   Exit: (213) [system] get_char((0x558d99e6bec0), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _227384)
   Call: (214) [system] peek_char((0x558d99e6bec0), _228318)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_233038, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_233970, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _241320)
   Call: (215) [system] peek_char((0x558d99e6bec0), _242254)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _241320=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _227384=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (213) [system] _213448=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (212) [user] classify_and_convert_charseq(a, [b, c], _179794)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_257152, _257154), once(user:catch(read_from_chars([a, b, c], _179794), _257128, fail)), '$restore_trace'(_257152, _257154))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_257152, _257154))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _257128, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _264652)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _266510)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _274248)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _276952)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _292030)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _297600)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _299458)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _313612)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, _297600)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _331254)
   Call: (214) [system] peek_char((0x558d99e6bec0), _332188)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_336908, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _331254=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _297600)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_343370, _343372), once(user:catch(read_from_chars([a], _297600), _343346, fail)), '$restore_trace'(_343370, _343372))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_343370, _343372))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _343346, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _350870)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _352728)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _366882)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _370672)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _350870=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _264652=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (210) [system] _146846=[abc, a]
   Exit: (210) [system] [abc, a]=[abc, a]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [abc, a])
   Call: (209) [system] _4694=['DisjunctionIntroduction', abc, a]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, a])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _384554)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _386412)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _400566)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _404356)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _384554=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _4690=[['DisjunctionIntroduction', abc, a]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, a]])
   Call: (206) [system] _4684=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (206) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (205) [system] _4676=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _418238)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _420096)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _427834)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _430538)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _445616)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _451186)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _453044)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _467198)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _451186)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _472768)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (207) [system] 'O'=(;)
   Fail: (207) [system] 'O'=(;)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Fail: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Fail: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Fail: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
   Fail: (208) [system] char_type('O', cntrl)
^  Fail: (207) [user] is_like_space('O')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _486922)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (206) [system] 'O'=')'
   Fail: (206) [system] 'O'=')'
   Call: (206) [system] 'O'=end_of_file
   Fail: (206) [system] 'O'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _492492)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _494350)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _508504)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'O')
   Call: (207) [system] 'O'='('
   Fail: (207) [system] 'O'='('
   Call: (207) [system] 'O'='['
   Fail: (207) [system] 'O'='['
   Call: (207) [system] 'O'='{'
   Fail: (207) [system] 'O'='{'
   Call: (207) [system] 'O'='"'
   Fail: (207) [system] 'O'='"'
   Call: (207) [system] 'O'=!
   Fail: (207) [system] 'O'=!
   Call: (207) [system] 'O'='\''
   Fail: (207) [system] 'O'='\''
   Call: (207) [system] 'O'='`'
   Fail: (207) [system] 'O'='`'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _492492)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _526146)
   Call: (209) [system] peek_char((0x558d99e6bec0), _527080)
   Exit: (209) [system] peek_char((0x558d99e6bec0), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Fail: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_531800, v('(', ')', end_of_file), r)
   Fail: (210) [system] arg(_532732, v('(', ')', end_of_file), r)
^  Fail: (209) [user] is_delimiter(r)
   Call: (209) [system] ')'==r
   Fail: (209) [system] ')'==r
   Call: (209) [system] get_char((0x558d99e6bec0), r)
   Exit: (209) [system] get_char((0x558d99e6bec0), r)
   Call: (209) [system] r=(\)
   Fail: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _540082)
   Call: (210) [system] peek_char((0x558d99e6bec0), _541016)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Fail: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_545736, v('(', ')', end_of_file), 'L')
   Fail: (211) [system] arg(_546668, v('(', ')', end_of_file), 'L')
^  Fail: (210) [user] is_delimiter('L')
   Call: (210) [system] ')'=='L'
   Fail: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (210) [system] get_char((0x558d99e6bec0), 'L')
   Call: (210) [system] 'L'=(\)
   Fail: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _554018)
   Call: (211) [system] peek_char((0x558d99e6bec0), _554952)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_559672, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_560604, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _567954)
   Call: (212) [system] peek_char((0x558d99e6bec0), _568888)
   Exit: (212) [system] peek_char((0x558d99e6bec0), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Fail: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_573608, v('(', ')', end_of_file), n)
   Fail: (213) [system] arg(_574540, v('(', ')', end_of_file), n)
^  Fail: (212) [user] is_delimiter(n)
   Call: (212) [system] ')'==n
   Fail: (212) [system] ')'==n
   Call: (212) [system] get_char((0x558d99e6bec0), n)
   Exit: (212) [system] get_char((0x558d99e6bec0), n)
   Call: (212) [system] n=(\)
   Fail: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _581890)
   Call: (213) [system] peek_char((0x558d99e6bec0), _582824)
   Exit: (213) [system] peek_char((0x558d99e6bec0), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Fail: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_587544, v('(', ')', end_of_file), k)
   Fail: (214) [system] arg(_588476, v('(', ')', end_of_file), k)
^  Fail: (213) [user] is_delimiter(k)
   Call: (213) [system] ')'==k
   Fail: (213) [system] ')'==k
   Call: (213) [system] get_char((0x558d99e6bec0), k)
   Exit: (213) [system] get_char((0x558d99e6bec0), k)
   Call: (213) [system] k=(\)
   Fail: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _595826)
   Call: (214) [system] peek_char((0x558d99e6bec0), _596760)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _595826=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _581890=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (212) [system] _567954=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (211) [system] _554018=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (210) [system] _540082=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (209) [system] _526146=[r, 'L', i, n, k]
   Exit: (209) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _492492)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_620040, _620042), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _492492), _620016, fail)), '$restore_trace'(_620040, _620042))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_620040, _620042))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _492492), _620016, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_492492)
   Fail: (209) [system] atomic(_492492)
   Call: (209) [system] atom_chars(_492492, ['O', r, 'L', i, n, k])
   Exit: (209) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _629416)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _631274)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _639012)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _641716)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _656794)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _662364)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _664222)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _678376)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _662364)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _683946)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=(;)
   Fail: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Fail: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Fail: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Fail: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
   Fail: (211) [system] char_type('I', cntrl)
^  Fail: (210) [user] is_like_space('I')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _698100)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (209) [system] 'I'=')'
   Fail: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
   Fail: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _703670)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _705528)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _719682)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'='('
   Fail: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Fail: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Fail: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Fail: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Fail: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Fail: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Fail: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _703670)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _737324)
   Call: (212) [system] peek_char((0x558d99e6bec0), _738258)
   Exit: (212) [system] peek_char((0x558d99e6bec0), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Fail: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_742978, v('(', ')', end_of_file), m)
   Fail: (213) [system] arg(_743910, v('(', ')', end_of_file), m)
^  Fail: (212) [user] is_delimiter(m)
   Call: (212) [system] ')'==m
   Fail: (212) [system] ')'==m
   Call: (212) [system] get_char((0x558d99e6bec0), m)
   Exit: (212) [system] get_char((0x558d99e6bec0), m)
   Call: (212) [system] m=(\)
   Fail: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _751260)
   Call: (213) [system] peek_char((0x558d99e6bec0), _752194)
   Exit: (213) [system] peek_char((0x558d99e6bec0), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Fail: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_756914, v('(', ')', end_of_file), p)
   Fail: (214) [system] arg(_757846, v('(', ')', end_of_file), p)
^  Fail: (213) [user] is_delimiter(p)
   Call: (213) [system] ')'==p
   Fail: (213) [system] ')'==p
   Call: (213) [system] get_char((0x558d99e6bec0), p)
   Exit: (213) [system] get_char((0x558d99e6bec0), p)
   Call: (213) [system] p=(\)
   Fail: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _765196)
   Call: (214) [system] peek_char((0x558d99e6bec0), _766130)
   Exit: (214) [system] peek_char((0x558d99e6bec0), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Fail: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_770850, v('(', ')', end_of_file), l)
   Fail: (215) [system] arg(_771782, v('(', ')', end_of_file), l)
^  Fail: (214) [user] is_delimiter(l)
   Call: (214) [system] ')'==l
   Fail: (214) [system] ')'==l
   Call: (214) [system] get_char((0x558d99e6bec0), l)
   Exit: (214) [system] get_char((0x558d99e6bec0), l)
   Call: (214) [system] l=(\)
   Fail: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _779132)
   Call: (215) [system] peek_char((0x558d99e6bec0), _780066)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_784786, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_785718, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _793068)
   Call: (216) [system] peek_char((0x558d99e6bec0), _794002)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_798722, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_799654, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _807004)
   Call: (217) [system] peek_char((0x558d99e6bec0), _807938)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_812658, v('(', ')', end_of_file), a)
   Fail: (218) [system] arg(_813590, v('(', ')', end_of_file), a)
^  Fail: (217) [user] is_delimiter(a)
   Call: (217) [system] ')'==a
   Fail: (217) [system] ')'==a
   Call: (217) [system] get_char((0x558d99e6bec0), a)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(\)
   Fail: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _820940)
   Call: (218) [system] peek_char((0x558d99e6bec0), _821874)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_826594, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_827526, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _834876)
   Call: (219) [system] peek_char((0x558d99e6bec0), _835810)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_840530, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_841462, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _848812)
   Call: (220) [system] peek_char((0x558d99e6bec0), _849746)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_854466, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_855398, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _862748)
   Call: (221) [system] peek_char((0x558d99e6bec0), _863682)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_868402, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_869334, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _876684)
   Call: (222) [system] peek_char((0x558d99e6bec0), _877618)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _876684=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _862748=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (220) [system] _848812=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (219) [system] _834876=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (218) [system] _820940=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (217) [system] _807004=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (216) [system] _793068=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (215) [system] _779132=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (214) [system] _765196=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _751260=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _737324=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _703670)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_914868, _914870), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _703670), _914844, fail)), '$restore_trace'(_914868, _914870))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_914868, _914870))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _703670), _914844, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_703670)
   Fail: (212) [system] atomic(_703670)
   Call: (212) [system] atom_chars(_703670, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _924244)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _926102)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _933840)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _936544)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _951622)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _957192)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _959050)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _973204)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _957192)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _978774)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=(;)
   Fail: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Fail: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Fail: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Fail: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
   Fail: (214) [system] char_type('A', cntrl)
^  Fail: (213) [user] is_like_space('A')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _992928)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _998498)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1000356)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1014510)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _998498)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1032152)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1033086)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1037806, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1038738, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1046088)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1047022)
   Exit: (216) [system] peek_char((0x558d99e6bec0), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Fail: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1051742, v('(', ')', end_of_file), d)
   Fail: (217) [system] arg(_1052674, v('(', ')', end_of_file), d)
^  Fail: (216) [user] is_delimiter(d)
   Call: (216) [system] ')'==d
   Fail: (216) [system] ')'==d
   Call: (216) [system] get_char((0x558d99e6bec0), d)
   Exit: (216) [system] get_char((0x558d99e6bec0), d)
   Call: (216) [system] d=(\)
   Fail: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1060024)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1060958)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1065678, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1066610, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (217) [system] get_char((0x558d99e6bec0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1073960)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1074894)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1079614, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1080546, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1087896)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1088830)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1093550, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1094482, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1101832)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1102766)
   Exit: (220) [system] peek_char((0x558d99e6bec0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1107486, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1108418, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x558d99e6bec0), k)
   Exit: (220) [system] get_char((0x558d99e6bec0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1115768)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1116702)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1115768=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1101832=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (219) [system] _1087896=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (218) [system] _1073960=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (217) [system] _1060024=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (216) [system] _1046088=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (215) [system] _1032152=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _998498)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1142776, _1142778), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _998498), _1142752, fail)), '$restore_trace'(_1142776, _1142778))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1142776, _1142778))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _998498), _1142752, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_998498)
   Fail: (215) [system] atomic(_998498)
   Call: (215) [system] atom_chars(_998498, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1152152)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1154010)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1161748)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1164452)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1179530)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1185100)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1186958)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1201112)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1185100)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1218754)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1219688)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1218754=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('A', [], _1185100)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1228998, _1229000), once(user:catch(read_from_chars(['A'], _1185100), _1228974, fail)), '$restore_trace'(_1228998, _1229000))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1228998, _1229000))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1185100), _1228974, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1185100)
   Fail: (216) [system] atomic(_1185100)
   Call: (216) [system] atom_chars(_1185100, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1238374)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1240232)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1247970)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1250674)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1265752)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1271322)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1273180)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1287334)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1271322)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1304976)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1305910)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1310630, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1304976=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _1271322)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1317092, _1317094), once(user:catch(read_from_chars(['B'], _1271322), _1317068, fail)), '$restore_trace'(_1317092, _1317094))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1317092, _1317094))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1271322), _1317068, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1271322)
   Fail: (217) [system] atomic(_1271322)
   Call: (217) [system] atom_chars(_1271322, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1326468)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1328326)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1342480)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1346270)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1326468=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1238374=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (213) [system] _1152152=['A', 'B']
   Exit: (213) [system] ['A', 'B']=['A', 'B']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (212) [system] _957192=['AndLink', 'A', 'B']
   Exit: (212) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1360152)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1362010)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1369748)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1372452)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1387530)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (211) [system] 'C'=')'
   Fail: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
   Fail: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1393100)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1394958)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=(;)
   Fail: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Fail: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Fail: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Fail: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
   Fail: (214) [system] char_type('C', cntrl)
^  Fail: (213) [user] is_like_space('C')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1409112)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'='('
   Fail: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Fail: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Fail: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Fail: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Fail: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Fail: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Fail: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1393100)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1426754)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1427688)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1432408, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1426754=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq('C', [], _1393100)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1438870, _1438872), once(user:catch(read_from_chars(['C'], _1393100), _1438846, fail)), '$restore_trace'(_1438870, _1438872))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1438870, _1438872))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1393100), _1438846, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1393100)
   Fail: (214) [system] atomic(_1393100)
   Call: (214) [system] atom_chars(_1393100, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1448246)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1450104)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1464258)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _1468048)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _1448246=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1360152=['C']
   Exit: (211) [system] ['C']=['C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (210) [system] _924244=[['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (209) [system] _662364=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1481930)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1483788)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1491526)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1494230)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1509308)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1514878)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1516736)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1530890)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1514878)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1536460)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1550614)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1556184)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1558042)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1572196)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1556184)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1589838)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1590772)
   Exit: (213) [system] peek_char((0x558d99e6bec0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_1595492, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_1596424, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x558d99e6bec0), r)
   Exit: (213) [system] get_char((0x558d99e6bec0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1603774)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1604708)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1609428, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_1610360, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1617710)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1618644)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1623364, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_1624296, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1631646)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1632580)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1637300, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1638232, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1645582)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1646516)
   Exit: (217) [system] peek_char((0x558d99e6bec0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1651236, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_1652168, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x558d99e6bec0), k)
   Exit: (217) [system] get_char((0x558d99e6bec0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1659518)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1660452)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1659518=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1645582=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (216) [system] _1631646=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (215) [system] _1617710=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (214) [system] _1603774=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (213) [system] _1589838=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1556184)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1683732, _1683734), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1556184), _1683708, fail)), '$restore_trace'(_1683732, _1683734))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1683732, _1683734))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1556184), _1683708, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1556184)
   Fail: (213) [system] atomic(_1556184)
   Call: (213) [system] atom_chars(_1556184, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1693108)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1694966)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1702704)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1705408)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1720486)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1726056)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1727914)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1742068)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1726056)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1747638)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1761792)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1767362)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1769220)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1783374)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1767362)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1801016)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1801950)
   Exit: (216) [system] peek_char((0x558d99e6bec0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_1806670, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_1807602, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x558d99e6bec0), m)
   Exit: (216) [system] get_char((0x558d99e6bec0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1814952)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1815886)
   Exit: (217) [system] peek_char((0x558d99e6bec0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_1820606, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_1821538, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x558d99e6bec0), p)
   Exit: (217) [system] get_char((0x558d99e6bec0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1828888)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1829822)
   Exit: (218) [system] peek_char((0x558d99e6bec0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_1834542, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_1835474, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x558d99e6bec0), l)
   Exit: (218) [system] get_char((0x558d99e6bec0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842824)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1843758)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1848478, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1849410, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856760)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1857694)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1862414, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1863346, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1870696)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1871630)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_1876350, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_1877282, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x558d99e6bec0), a)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1884632)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1885566)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1890286, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1891218, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1898568)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1899502)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1904222, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1905154, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1912504)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1913438)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1918158, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1919090, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1926440)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1927374)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1932094, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1933026, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1940376)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1941310)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1940376=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1926440=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (224) [system] _1912504=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (223) [system] _1898568=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (222) [system] _1884632=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (221) [system] _1870696=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (220) [system] _1856760=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (219) [system] _1842824=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (218) [system] _1828888=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _1814952=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _1801016=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1767362)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1978560, _1978562), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1767362), _1978536, fail)), '$restore_trace'(_1978560, _1978562))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1978560, _1978562))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1767362), _1978536, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1767362)
   Fail: (216) [system] atomic(_1767362)
   Call: (216) [system] atom_chars(_1767362, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1987936)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1989794)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1997532)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2000236)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2015314)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _2020884)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2022742)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _2036896)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _2020884)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2042466)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2056620)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _2062190)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2064048)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _2078202)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _2062190)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2095844)
   Call: (219) [system] peek_char((0x558d99e6bec0), _4810)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_9460, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_10392, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _17742)
   Call: (220) [system] peek_char((0x558d99e6bec0), _18676)
   Exit: (220) [system] peek_char((0x558d99e6bec0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_23396, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_24328, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x558d99e6bec0), d)
   Exit: (220) [system] get_char((0x558d99e6bec0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _31678)
   Call: (221) [system] peek_char((0x558d99e6bec0), _32612)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_37332, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_38264, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _45614)
   Call: (222) [system] peek_char((0x558d99e6bec0), _46548)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_51268, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_52200, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _59550)
   Call: (223) [system] peek_char((0x558d99e6bec0), _60484)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_65204, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_66136, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _73486)
   Call: (224) [system] peek_char((0x558d99e6bec0), _74420)
   Exit: (224) [system] peek_char((0x558d99e6bec0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_79140, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_80072, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x558d99e6bec0), k)
   Exit: (224) [system] get_char((0x558d99e6bec0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _87422)
   Call: (225) [system] peek_char((0x558d99e6bec0), _88356)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _87422=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _73486=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (223) [system] _59550=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (222) [system] _45614=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (221) [system] _31678=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (220) [system] _17742=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (219) [system] _4806=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4802)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_114430, _114432), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4802), _114406, fail)), '$restore_trace'(_114430, _114432))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_114430, _114432))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4802), _114406, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_4802)
   Fail: (219) [system] atomic(_4802)
   Call: (219) [system] atom_chars(_4802, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _123806)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _125664)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _133402)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _136106)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _151184)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _156754)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _158612)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _172766)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _156754)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _190408)
   Call: (220) [system] peek_char((0x558d99e6bec0), _191342)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _190408=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('A', [], _156754)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_200652, _200654), once(user:catch(read_from_chars(['A'], _156754), _200628, fail)), '$restore_trace'(_200652, _200654))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_200652, _200654))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _156754), _200628, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_156754)
   Fail: (220) [system] atomic(_156754)
   Call: (220) [system] atom_chars(_156754, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _210028)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _211886)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _219624)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _222328)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _237406)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _242976)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _244834)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _258988)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _242976)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _276630)
   Call: (221) [system] peek_char((0x558d99e6bec0), _277564)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_282284, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _276630=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('B', [], _242976)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_288746, _288748), once(user:catch(read_from_chars(['B'], _242976), _288722, fail)), '$restore_trace'(_288746, _288748))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_288746, _288748))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _242976), _288722, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_242976)
   Fail: (221) [system] atomic(_242976)
   Call: (221) [system] atom_chars(_242976, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _298122)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _299980)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _314134)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _317924)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _298122=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _210028=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (217) [system] _123806=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (216) [system] _4796=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _331806)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _333664)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _341402)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _344106)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _359184)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _364754)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _366612)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _380766)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _364754)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _398408)
   Call: (218) [system] peek_char((0x558d99e6bec0), _399342)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_404062, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _398408=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('C', [], _364754)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_410524, _410526), once(user:catch(read_from_chars(['C'], _364754), _410500, fail)), '$restore_trace'(_410524, _410526))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_410524, _410526))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _364754), _410500, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_364754)
   Fail: (218) [system] atomic(_364754)
   Call: (218) [system] atom_chars(_364754, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _419900)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _421758)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _435912)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _439702)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _419900=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _331806=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (214) [system] _4792=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _4784=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _453584)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _455442)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _463180)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _465884)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _480962)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (212) [system] 'A'=')'
   Fail: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
   Fail: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _486532)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _488390)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _502544)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'='('
   Fail: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Fail: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Fail: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Fail: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Fail: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Fail: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Fail: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _486532)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _520186)
   Call: (215) [system] peek_char((0x558d99e6bec0), _521120)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_525840, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _520186=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('A', [], _486532)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_532302, _532304), once(user:catch(read_from_chars(['A'], _486532), _532278, fail)), '$restore_trace'(_532302, _532304))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_532302, _532304))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _486532), _532278, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_486532)
   Fail: (215) [system] atomic(_486532)
   Call: (215) [system] atom_chars(_486532, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _541678)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _543536)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _557690)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _561480)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _541678=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _453584=['A']
   Exit: (212) [system] ['A']=['A']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (211) [system] _4780=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (210) [system] _4772=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _575362)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _577220)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _591374)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _595164)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _575362=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _4768=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (207) [system] _4726=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (207) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (206) [system] _4718=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (206) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _609046)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _610904)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=(;)
   Fail: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Fail: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Fail: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Fail: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
   Fail: (207) [system] char_type(')', cntrl)
^  Fail: (206) [user] is_like_space(')')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _625058)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x558d99e6bec0), _628848)
   Exit: (205) [system] get_char((0x558d99e6bec0), ')')
   Call: (205) [system] _609046=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (204) [system] _4714=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (204) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (203) [system] _4672=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (203) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (202) [system] _4664=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (202) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (201) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (200) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (200) [user] read_list(')', (0x558d99e6bec0), _642730)
^  Call: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _644588)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (202) [system] '\n'=(;)
   Fail: (202) [system] '\n'=(;)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Fail: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x558d99e6bec0), _654182)
   Exit: (202) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _656886)
   Exit: (203) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (203) [system] ' '=(;)
   Fail: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x558d99e6bec0), _664624)
   Exit: (203) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _667328)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (201) [user] skip_spaces((0x558d99e6bec0))
   Call: (201) [system] peek_char((0x558d99e6bec0), _683330)
   Exit: (201) [system] peek_char((0x558d99e6bec0), '(')
   Call: (201) [system] '('=')'
   Fail: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
   Fail: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x558d99e6bec0), _688900)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _690758)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=(;)
   Fail: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Fail: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Fail: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Fail: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
   Fail: (204) [system] char_type('(', cntrl)
^  Fail: (203) [user] is_like_space('(')
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] get_char((0x558d99e6bec0), _704912)
   Exit: (202) [system] get_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _688900)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _710482)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=(;)
   Fail: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Fail: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Fail: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Fail: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
   Fail: (205) [system] char_type(:, cntrl)
^  Fail: (204) [user] is_like_space(:)
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _724636)
   Exit: (203) [system] peek_char((0x558d99e6bec0), :)
   Call: (203) [system] (:)=')'
   Fail: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
   Fail: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _730206)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _732064)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _746218)
   Exit: (204) [system] get_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)='('
   Fail: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Fail: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Fail: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Fail: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Fail: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Fail: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Fail: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x558d99e6bec0), :, _730206)
^  Call: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), _763860)
   Call: (206) [system] peek_char((0x558d99e6bec0), _764794)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _763860=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (205) [user] classify_and_convert_charseq(:, [], _730206)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_774104, _774106), once(user:catch(read_from_chars([:], _730206), _774080, fail)), '$restore_trace'(_774104, _774106))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_774104, _774106))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _774080, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (204) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _781604)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _783462)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _791200)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _793904)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _808982)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _814552)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _816410)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _830564)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _814552)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _836134)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'=(;)
   Fail: (207) [system] 'D'=(;)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Fail: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Fail: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Fail: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
   Fail: (208) [system] char_type('D', cntrl)
^  Fail: (207) [user] is_like_space('D')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _850288)
   Exit: (206) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (206) [system] 'D'=')'
   Fail: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
   Fail: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _855858)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _857716)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _871870)
   Exit: (207) [system] get_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'='('
   Fail: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Fail: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Fail: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Fail: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Fail: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Fail: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Fail: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _855858)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889512)
   Call: (209) [system] peek_char((0x558d99e6bec0), _890446)
   Exit: (209) [system] peek_char((0x558d99e6bec0), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Fail: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_895166, v('(', ')', end_of_file), i)
   Fail: (210) [system] arg(_896098, v('(', ')', end_of_file), i)
^  Fail: (209) [user] is_delimiter(i)
   Call: (209) [system] ')'==i
   Fail: (209) [system] ')'==i
   Call: (209) [system] get_char((0x558d99e6bec0), i)
   Exit: (209) [system] get_char((0x558d99e6bec0), i)
   Call: (209) [system] i=(\)
   Fail: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _903448)
   Call: (210) [system] peek_char((0x558d99e6bec0), _904382)
   Exit: (210) [system] peek_char((0x558d99e6bec0), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Fail: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_909102, v('(', ')', end_of_file), s)
   Fail: (211) [system] arg(_910034, v('(', ')', end_of_file), s)
^  Fail: (210) [user] is_delimiter(s)
   Call: (210) [system] ')'==s
   Fail: (210) [system] ')'==s
   Call: (210) [system] get_char((0x558d99e6bec0), s)
   Exit: (210) [system] get_char((0x558d99e6bec0), s)
   Call: (210) [system] s=(\)
   Fail: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _917384)
   Call: (211) [system] peek_char((0x558d99e6bec0), _918318)
   Exit: (211) [system] peek_char((0x558d99e6bec0), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Fail: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_923038, v('(', ')', end_of_file), j)
   Fail: (212) [system] arg(_923970, v('(', ')', end_of_file), j)
^  Fail: (211) [user] is_delimiter(j)
   Call: (211) [system] ')'==j
   Fail: (211) [system] ')'==j
   Call: (211) [system] get_char((0x558d99e6bec0), j)
   Exit: (211) [system] get_char((0x558d99e6bec0), j)
   Call: (211) [system] j=(\)
   Fail: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _931320)
   Call: (212) [system] peek_char((0x558d99e6bec0), _932254)
   Exit: (212) [system] peek_char((0x558d99e6bec0), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Fail: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_936974, v('(', ')', end_of_file), u)
   Fail: (213) [system] arg(_937906, v('(', ')', end_of_file), u)
^  Fail: (212) [user] is_delimiter(u)
   Call: (212) [system] ')'==u
   Fail: (212) [system] ')'==u
   Call: (212) [system] get_char((0x558d99e6bec0), u)
   Exit: (212) [system] get_char((0x558d99e6bec0), u)
   Call: (212) [system] u=(\)
   Fail: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _945256)
   Call: (213) [system] peek_char((0x558d99e6bec0), _946190)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_950910, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_951842, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _959192)
   Call: (214) [system] peek_char((0x558d99e6bec0), _960126)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_964846, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_965778, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _973128)
   Call: (215) [system] peek_char((0x558d99e6bec0), _974062)
   Exit: (215) [system] peek_char((0x558d99e6bec0), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Fail: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_978782, v('(', ')', end_of_file), t)
   Fail: (216) [system] arg(_979714, v('(', ')', end_of_file), t)
^  Fail: (215) [user] is_delimiter(t)
   Call: (215) [system] ')'==t
   Fail: (215) [system] ')'==t
   Call: (215) [system] get_char((0x558d99e6bec0), t)
   Exit: (215) [system] get_char((0x558d99e6bec0), t)
   Call: (215) [system] t=(\)
   Fail: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _987064)
   Call: (216) [system] peek_char((0x558d99e6bec0), _987998)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_992718, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_993650, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1001000)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1001934)
   Exit: (217) [system] peek_char((0x558d99e6bec0), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Fail: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1006654, v('(', ')', end_of_file), o)
   Fail: (218) [system] arg(_1007586, v('(', ')', end_of_file), o)
^  Fail: (217) [user] is_delimiter(o)
   Call: (217) [system] ')'==o
   Fail: (217) [system] ')'==o
   Call: (217) [system] get_char((0x558d99e6bec0), o)
   Exit: (217) [system] get_char((0x558d99e6bec0), o)
   Call: (217) [system] o=(\)
   Fail: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1014936)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1015870)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1020590, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1021522, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028872)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1029806)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1034526, v('(', ')', end_of_file), 'I')
   Fail: (220) [system] arg(_1035458, v('(', ')', end_of_file), 'I')
^  Fail: (219) [user] is_delimiter('I')
   Call: (219) [system] ')'=='I'
   Fail: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(\)
   Fail: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1042808)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1043742)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1048462, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1049394, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1056744)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1057678)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1062398, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1063330, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1070680)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1071614)
   Exit: (222) [system] peek_char((0x558d99e6bec0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1076334, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_1077266, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x558d99e6bec0), r)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1084616)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1085550)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1090270, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1091202, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1098552)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1099486)
   Exit: (224) [system] peek_char((0x558d99e6bec0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1104206, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_1105138, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x558d99e6bec0), d)
   Exit: (224) [system] get_char((0x558d99e6bec0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1112488)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1113422)
   Exit: (225) [system] peek_char((0x558d99e6bec0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1118142, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_1119074, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x558d99e6bec0), u)
   Exit: (225) [system] get_char((0x558d99e6bec0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1126424)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1127358)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1132078, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1133010, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1140360)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1141294)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1146014, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1146946, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154296)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1155230)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1159950, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1160882, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168232)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1169166)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1173886, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1174818, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1182168)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1183102)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1187822, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1188754, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1196104)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1197038)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1196104=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1182168=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (229) [system] _1168232=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (228) [system] _1154296=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (227) [system] _1140360=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (226) [system] _1126424=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (225) [system] _1112488=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (224) [system] _1098552=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (223) [system] _1084616=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1070680=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1056744=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1042808=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1028872=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1014936=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1001000=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _987064=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _973128=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _959192=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _945256=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _931320=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _917384=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _903448=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _889512=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855858)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1267816, _1267818), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855858), _1267792, fail)), '$restore_trace'(_1267816, _1267818))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1267816, _1267818))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _855858), _1267792, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_855858)
   Fail: (209) [system] atomic(_855858)
   Call: (209) [system] atom_chars(_855858, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1277192)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1279050)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1286788)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1289492)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1304570)
   Exit: (207) [system] peek_char((0x558d99e6bec0), a)
   Call: (207) [system] a=')'
   Fail: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
   Fail: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1310140)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1311998)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=(;)
   Fail: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Fail: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Fail: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Fail: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
   Fail: (210) [system] char_type(a, cntrl)
^  Fail: (209) [user] is_like_space(a)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1326152)
   Exit: (208) [system] get_char((0x558d99e6bec0), a)
   Call: (208) [system] a='('
   Fail: (208) [system] a='('
   Call: (208) [system] a='['
   Fail: (208) [system] a='['
   Call: (208) [system] a='{'
   Fail: (208) [system] a='{'
   Call: (208) [system] a='"'
   Fail: (208) [system] a='"'
   Call: (208) [system] a=!
   Fail: (208) [system] a=!
   Call: (208) [system] a='\''
   Fail: (208) [system] a='\''
   Call: (208) [system] a='`'
   Fail: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, _1310140)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1343794)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1344728)
   Exit: (210) [system] peek_char((0x558d99e6bec0), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Fail: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_1349448, v('(', ')', end_of_file), b)
   Fail: (211) [system] arg(_1350380, v('(', ')', end_of_file), b)
^  Fail: (210) [user] is_delimiter(b)
   Call: (210) [system] ')'==b
   Fail: (210) [system] ')'==b
   Call: (210) [system] get_char((0x558d99e6bec0), b)
   Exit: (210) [system] get_char((0x558d99e6bec0), b)
   Call: (210) [system] b=(\)
   Fail: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1357730)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1358664)
   Exit: (211) [system] peek_char((0x558d99e6bec0), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Fail: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1363384, v('(', ')', end_of_file), c)
   Fail: (212) [system] arg(_1364316, v('(', ')', end_of_file), c)
^  Fail: (211) [user] is_delimiter(c)
   Call: (211) [system] ')'==c
   Fail: (211) [system] ')'==c
   Call: (211) [system] get_char((0x558d99e6bec0), c)
   Exit: (211) [system] get_char((0x558d99e6bec0), c)
   Call: (211) [system] c=(\)
   Fail: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1371666)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1372600)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1371666=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (211) [system] _1357730=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (210) [system] _1343794=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (209) [user] classify_and_convert_charseq(a, [b, c], _1310140)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1387498, _1387500), once(user:catch(read_from_chars([a, b, c], _1310140), _1387474, fail)), '$restore_trace'(_1387498, _1387500))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1387498, _1387500))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1387474, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1394998)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1396856)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1404594)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1407298)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1422376)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1427946)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1429804)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1443958)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1427946)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1449528)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1463682)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1469252)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1471110)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1485264)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1469252)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1502906)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1503840)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1508560, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1509492, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1516842)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1517776)
   Exit: (214) [system] peek_char((0x558d99e6bec0), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1522496, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_1523428, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x558d99e6bec0), s)
   Exit: (214) [system] get_char((0x558d99e6bec0), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1530778)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1531712)
   Exit: (215) [system] peek_char((0x558d99e6bec0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1536432, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_1537364, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x558d99e6bec0), j)
   Exit: (215) [system] get_char((0x558d99e6bec0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1544714)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1545648)
   Exit: (216) [system] peek_char((0x558d99e6bec0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1550368, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_1551300, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x558d99e6bec0), u)
   Exit: (216) [system] get_char((0x558d99e6bec0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1558650)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1559584)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1564304, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1565236, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1572586)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1573520)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1578240, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_1579172, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1586522)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1587456)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1592176, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_1593108, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1600458)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1601392)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1606112, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1607044, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1614394)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1615328)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1620048, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_1620980, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1628330)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1629264)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1633984, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1634916, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1642266)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1643200)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1647920, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_1648852, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1656202)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1657136)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1661856, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1662788, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1670138)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1671072)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1675792, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1676724, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1684074)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1685008)
   Exit: (226) [system] peek_char((0x558d99e6bec0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1689728, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_1690660, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x558d99e6bec0), r)
   Exit: (226) [system] get_char((0x558d99e6bec0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1698010)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1698944)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1703664, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1704596, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1711946)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1712880)
   Exit: (228) [system] peek_char((0x558d99e6bec0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1717600, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_1718532, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x558d99e6bec0), d)
   Exit: (228) [system] get_char((0x558d99e6bec0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1725882)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1726816)
   Exit: (229) [system] peek_char((0x558d99e6bec0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1731536, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_1732468, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x558d99e6bec0), u)
   Exit: (229) [system] get_char((0x558d99e6bec0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1739818)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1740752)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1745472, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1746404, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1753754)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1754688)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1759408, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1760340, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1767690)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1768624)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1773344, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1774276, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1781626)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1782560)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1787280, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_1788212, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1795562)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1796496)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1801216, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1802148, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1809498)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1810432)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1809498=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _1795562=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (233) [system] _1781626=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (232) [system] _1767690=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (231) [system] _1753754=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (230) [system] _1739818=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (229) [system] _1725882=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (228) [system] _1711946=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (227) [system] _1698010=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1684074=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1670138=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1656202=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1642266=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1628330=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1614394=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1600458=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1586522=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1572586=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1558650=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1544714=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1530778=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1516842=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1502906=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1469252)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1881210, _1881212), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1469252), _1881186, fail)), '$restore_trace'(_1881210, _1881212))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1881210, _1881212))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1469252), _1881186, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1469252)
   Fail: (213) [system] atomic(_1469252)
   Call: (213) [system] atom_chars(_1469252, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1890586)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1892444)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1900182)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1902886)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1917964)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1923534)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1925392)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1939546)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, _1923534)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1957188)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1958122)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1957188=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _1923534)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1967432, _1967434), once(user:catch(read_from_chars([a], _1923534), _1967408, fail)), '$restore_trace'(_1967432, _1967434))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1967432, _1967434))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1967408, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1974932)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1976790)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1984528)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1987232)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2002310)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _2007880)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2009738)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _2023892)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, _2007880)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2041534)
   Call: (215) [system] peek_char((0x558d99e6bec0), _2042468)
   Exit: (215) [system] peek_char((0x558d99e6bec0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_2047188, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_2048120, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x558d99e6bec0), b)
   Exit: (215) [system] get_char((0x558d99e6bec0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2055470)
   Call: (216) [system] peek_char((0x558d99e6bec0), _2056404)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_2061124, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_2062056, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2069406)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2070340)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_2075060, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _2069406=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _2055470=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (215) [system] _2041534=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq(a, [b, c], _2007880)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_2087110, _2087112), once(user:catch(read_from_chars([a, b, c], _2007880), _2087086, fail)), '$restore_trace'(_2087110, _2087112))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_2087110, _2087112))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2087086, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _2094610)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _4886)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _18710)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _22500)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _4882=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _4876=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (211) [system] _4870=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [a, abc])
   Call: (210) [system] _4862=['DisjunctionIntroduction', a, abc]
   Exit: (210) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _36382)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _38240)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _52394)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _56184)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _36382=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _4858=[['DisjunctionIntroduction', a, abc]]
   Exit: (208) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, abc]])
   Call: (207) [system] _4852=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (207) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (206) [system] _4844=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _70066)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _71924)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _79662)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _82366)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _97444)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _103014)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _104872)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _119026)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _103014)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _124596)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=(;)
   Fail: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Fail: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Fail: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Fail: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
   Fail: (209) [system] char_type('O', cntrl)
^  Fail: (208) [user] is_like_space('O')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _138750)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (207) [system] 'O'=')'
   Fail: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
   Fail: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _144320)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _146178)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _160332)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'='('
   Fail: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Fail: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Fail: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Fail: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Fail: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Fail: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Fail: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _144320)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _177974)
   Call: (210) [system] peek_char((0x558d99e6bec0), _178908)
   Exit: (210) [system] peek_char((0x558d99e6bec0), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Fail: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_183628, v('(', ')', end_of_file), r)
   Fail: (211) [system] arg(_184560, v('(', ')', end_of_file), r)
^  Fail: (210) [user] is_delimiter(r)
   Call: (210) [system] ')'==r
   Fail: (210) [system] ')'==r
   Call: (210) [system] get_char((0x558d99e6bec0), r)
   Exit: (210) [system] get_char((0x558d99e6bec0), r)
   Call: (210) [system] r=(\)
   Fail: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _191910)
   Call: (211) [system] peek_char((0x558d99e6bec0), _192844)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Fail: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_197564, v('(', ')', end_of_file), 'L')
   Fail: (212) [system] arg(_198496, v('(', ')', end_of_file), 'L')
^  Fail: (211) [user] is_delimiter('L')
   Call: (211) [system] ')'=='L'
   Fail: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (211) [system] get_char((0x558d99e6bec0), 'L')
   Call: (211) [system] 'L'=(\)
   Fail: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _205846)
   Call: (212) [system] peek_char((0x558d99e6bec0), _206780)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_211500, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_212432, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _219782)
   Call: (213) [system] peek_char((0x558d99e6bec0), _220716)
   Exit: (213) [system] peek_char((0x558d99e6bec0), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Fail: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_225436, v('(', ')', end_of_file), n)
   Fail: (214) [system] arg(_226368, v('(', ')', end_of_file), n)
^  Fail: (213) [user] is_delimiter(n)
   Call: (213) [system] ')'==n
   Fail: (213) [system] ')'==n
   Call: (213) [system] get_char((0x558d99e6bec0), n)
   Exit: (213) [system] get_char((0x558d99e6bec0), n)
   Call: (213) [system] n=(\)
   Fail: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _233718)
   Call: (214) [system] peek_char((0x558d99e6bec0), _234652)
   Exit: (214) [system] peek_char((0x558d99e6bec0), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Fail: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_239372, v('(', ')', end_of_file), k)
   Fail: (215) [system] arg(_240304, v('(', ')', end_of_file), k)
^  Fail: (214) [user] is_delimiter(k)
   Call: (214) [system] ')'==k
   Fail: (214) [system] ')'==k
   Call: (214) [system] get_char((0x558d99e6bec0), k)
   Exit: (214) [system] get_char((0x558d99e6bec0), k)
   Call: (214) [system] k=(\)
   Fail: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _247654)
   Call: (215) [system] peek_char((0x558d99e6bec0), _248588)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _247654=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _233718=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (213) [system] _219782=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (212) [system] _205846=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (211) [system] _191910=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (210) [system] _177974=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _144320)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_271868, _271870), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _144320), _271844, fail)), '$restore_trace'(_271868, _271870))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_271868, _271870))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _144320), _271844, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_144320)
   Fail: (210) [system] atomic(_144320)
   Call: (210) [system] atom_chars(_144320, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _281244)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _283102)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _290840)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _293544)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _308622)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _314192)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _316050)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _330204)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _314192)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _335774)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=(;)
   Fail: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Fail: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Fail: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Fail: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
   Fail: (212) [system] char_type('I', cntrl)
^  Fail: (211) [user] is_like_space('I')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _349928)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (210) [system] 'I'=')'
   Fail: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
   Fail: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _355498)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _357356)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _371510)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'='('
   Fail: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Fail: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Fail: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Fail: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Fail: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Fail: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Fail: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _355498)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _389152)
   Call: (213) [system] peek_char((0x558d99e6bec0), _390086)
   Exit: (213) [system] peek_char((0x558d99e6bec0), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Fail: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_394806, v('(', ')', end_of_file), m)
   Fail: (214) [system] arg(_395738, v('(', ')', end_of_file), m)
^  Fail: (213) [user] is_delimiter(m)
   Call: (213) [system] ')'==m
   Fail: (213) [system] ')'==m
   Call: (213) [system] get_char((0x558d99e6bec0), m)
   Exit: (213) [system] get_char((0x558d99e6bec0), m)
   Call: (213) [system] m=(\)
   Fail: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _403088)
   Call: (214) [system] peek_char((0x558d99e6bec0), _404022)
   Exit: (214) [system] peek_char((0x558d99e6bec0), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Fail: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_408742, v('(', ')', end_of_file), p)
   Fail: (215) [system] arg(_409674, v('(', ')', end_of_file), p)
^  Fail: (214) [user] is_delimiter(p)
   Call: (214) [system] ')'==p
   Fail: (214) [system] ')'==p
   Call: (214) [system] get_char((0x558d99e6bec0), p)
   Exit: (214) [system] get_char((0x558d99e6bec0), p)
   Call: (214) [system] p=(\)
   Fail: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _417024)
   Call: (215) [system] peek_char((0x558d99e6bec0), _417958)
   Exit: (215) [system] peek_char((0x558d99e6bec0), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Fail: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_422678, v('(', ')', end_of_file), l)
   Fail: (216) [system] arg(_423610, v('(', ')', end_of_file), l)
^  Fail: (215) [user] is_delimiter(l)
   Call: (215) [system] ')'==l
   Fail: (215) [system] ')'==l
   Call: (215) [system] get_char((0x558d99e6bec0), l)
   Exit: (215) [system] get_char((0x558d99e6bec0), l)
   Call: (215) [system] l=(\)
   Fail: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _430960)
   Call: (216) [system] peek_char((0x558d99e6bec0), _431894)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_436614, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_437546, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _444896)
   Call: (217) [system] peek_char((0x558d99e6bec0), _445830)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_450550, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_451482, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x558d99e6bec0), c)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _458832)
   Call: (218) [system] peek_char((0x558d99e6bec0), _459766)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_464486, v('(', ')', end_of_file), a)
   Fail: (219) [system] arg(_465418, v('(', ')', end_of_file), a)
^  Fail: (218) [user] is_delimiter(a)
   Call: (218) [system] ')'==a
   Fail: (218) [system] ')'==a
   Call: (218) [system] get_char((0x558d99e6bec0), a)
   Exit: (218) [system] get_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(\)
   Fail: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _472768)
   Call: (219) [system] peek_char((0x558d99e6bec0), _473702)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_478422, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_479354, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _486704)
   Call: (220) [system] peek_char((0x558d99e6bec0), _487638)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_492358, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_493290, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _500640)
   Call: (221) [system] peek_char((0x558d99e6bec0), _501574)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_506294, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_507226, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _514576)
   Call: (222) [system] peek_char((0x558d99e6bec0), _515510)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_520230, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_521162, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _528512)
   Call: (223) [system] peek_char((0x558d99e6bec0), _529446)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _528512=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _514576=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (221) [system] _500640=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (220) [system] _486704=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (219) [system] _472768=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (218) [system] _458832=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (217) [system] _444896=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (216) [system] _430960=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (215) [system] _417024=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _403088=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _389152=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _355498)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_566696, _566698), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _355498), _566672, fail)), '$restore_trace'(_566696, _566698))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_566696, _566698))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _355498), _566672, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_355498)
   Fail: (213) [system] atomic(_355498)
   Call: (213) [system] atom_chars(_355498, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _576072)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _577930)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _585668)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _588372)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _603450)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _609020)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _610878)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _625032)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _609020)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _630602)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=(;)
   Fail: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Fail: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Fail: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Fail: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
   Fail: (215) [system] char_type('A', cntrl)
^  Fail: (214) [user] is_like_space('A')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _644756)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (213) [system] 'A'=')'
   Fail: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
   Fail: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _650326)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _652184)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _666338)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'='('
   Fail: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Fail: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Fail: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Fail: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Fail: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Fail: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Fail: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _650326)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _683980)
   Call: (216) [system] peek_char((0x558d99e6bec0), _684914)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_689634, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_690566, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _697916)
   Call: (217) [system] peek_char((0x558d99e6bec0), _698850)
   Exit: (217) [system] peek_char((0x558d99e6bec0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_703570, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_704502, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x558d99e6bec0), d)
   Exit: (217) [system] get_char((0x558d99e6bec0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _711852)
   Call: (218) [system] peek_char((0x558d99e6bec0), _712786)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_717506, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_718438, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _725788)
   Call: (219) [system] peek_char((0x558d99e6bec0), _726722)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_731442, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_732374, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _739724)
   Call: (220) [system] peek_char((0x558d99e6bec0), _740658)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_745378, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_746310, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _753660)
   Call: (221) [system] peek_char((0x558d99e6bec0), _754594)
   Exit: (221) [system] peek_char((0x558d99e6bec0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_759314, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_760246, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x558d99e6bec0), k)
   Exit: (221) [system] get_char((0x558d99e6bec0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _767596)
   Call: (222) [system] peek_char((0x558d99e6bec0), _768530)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _767596=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _753660=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (220) [system] _739724=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (219) [system] _725788=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (218) [system] _711852=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (217) [system] _697916=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (216) [system] _683980=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _650326)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_794604, _794606), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _650326), _794580, fail)), '$restore_trace'(_794604, _794606))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_794604, _794606))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _650326), _794580, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_650326)
   Fail: (216) [system] atomic(_650326)
   Call: (216) [system] atom_chars(_650326, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _803980)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _805838)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _813576)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _816280)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _831358)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _836928)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _838786)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _852940)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _836928)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _870582)
   Call: (217) [system] peek_char((0x558d99e6bec0), _871516)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _870582=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('A', [], _836928)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_880826, _880828), once(user:catch(read_from_chars(['A'], _836928), _880802, fail)), '$restore_trace'(_880826, _880828))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_880826, _880828))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _836928), _880802, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_836928)
   Fail: (217) [system] atomic(_836928)
   Call: (217) [system] atom_chars(_836928, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _890202)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _892060)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _899798)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _902502)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _917580)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _923150)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _925008)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _939162)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _923150)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _956804)
   Call: (218) [system] peek_char((0x558d99e6bec0), _957738)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_962458, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _956804=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _923150)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_968920, _968922), once(user:catch(read_from_chars(['B'], _923150), _968896, fail)), '$restore_trace'(_968920, _968922))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_968920, _968922))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _923150), _968896, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_923150)
   Fail: (218) [system] atomic(_923150)
   Call: (218) [system] atom_chars(_923150, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _978296)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _980154)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _994308)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _998098)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _978296=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _890202=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (214) [system] _803980=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (213) [system] _609020=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1011980)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1013838)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1021576)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1024280)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1039358)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (212) [system] 'C'=')'
   Fail: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
   Fail: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1044928)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1046786)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=(;)
   Fail: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Fail: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Fail: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Fail: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
   Fail: (215) [system] char_type('C', cntrl)
^  Fail: (214) [user] is_like_space('C')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1060940)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'='('
   Fail: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Fail: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Fail: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Fail: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Fail: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Fail: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Fail: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1044928)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1078582)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1079516)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1084236, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1078582=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _1044928)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1090698, _1090700), once(user:catch(read_from_chars(['C'], _1044928), _1090674, fail)), '$restore_trace'(_1090698, _1090700))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1090698, _1090700))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1044928), _1090674, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1044928)
   Fail: (215) [system] atomic(_1044928)
   Call: (215) [system] atom_chars(_1044928, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1100074)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1101932)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1116086)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1119876)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1100074=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1011980=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (211) [system] _576072=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _314192=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1133758)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1135616)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1143354)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1146058)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1161136)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1166706)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1168564)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1182718)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1166706)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1188288)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1202442)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1208012)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1209870)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1224024)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1208012)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1241666)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1242600)
   Exit: (214) [system] peek_char((0x558d99e6bec0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1247320, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1248252, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x558d99e6bec0), r)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1255602)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1256536)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1261256, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1262188, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1269538)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1270472)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1275192, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1276124, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1283474)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1284408)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1289128, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1290060, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1297410)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1298344)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1303064, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1303996, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1311346)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1312280)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1311346=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1297410=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _1283474=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _1269538=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _1255602=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _1241666=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1208012)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1335560, _1335562), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1208012), _1335536, fail)), '$restore_trace'(_1335560, _1335562))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1335560, _1335562))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1208012), _1335536, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1208012)
   Fail: (214) [system] atomic(_1208012)
   Call: (214) [system] atom_chars(_1208012, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1344936)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1346794)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1354532)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1357236)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1372314)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (212) [system] 'B'=')'
   Fail: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
   Fail: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1377884)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1379742)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=(;)
   Fail: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Fail: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Fail: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Fail: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
   Fail: (215) [system] char_type('B', cntrl)
^  Fail: (214) [user] is_like_space('B')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1393896)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'='('
   Fail: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Fail: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Fail: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Fail: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Fail: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Fail: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Fail: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1377884)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1411538)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1412472)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1411538=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1377884)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1421782, _1421784), once(user:catch(read_from_chars(['B'], _1377884), _1421758, fail)), '$restore_trace'(_1421782, _1421784))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1421782, _1421784))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1377884), _1421758, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1377884)
   Fail: (215) [system] atomic(_1377884)
   Call: (215) [system] atom_chars(_1377884, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1431158)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1433016)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1440754)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1443458)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1458536)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1464106)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1465964)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1480118)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1464106)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1485688)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1499842)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1505412)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1507270)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1521424)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1505412)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1539066)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1540000)
   Exit: (218) [system] peek_char((0x558d99e6bec0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1544720, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_1545652, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x558d99e6bec0), m)
   Exit: (218) [system] get_char((0x558d99e6bec0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1553002)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1553936)
   Exit: (219) [system] peek_char((0x558d99e6bec0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1558656, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_1559588, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x558d99e6bec0), p)
   Exit: (219) [system] get_char((0x558d99e6bec0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1566938)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1567872)
   Exit: (220) [system] peek_char((0x558d99e6bec0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1572592, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_1573524, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x558d99e6bec0), l)
   Exit: (220) [system] get_char((0x558d99e6bec0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1580874)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1581808)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1586528, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1587460, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1594810)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1595744)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1600464, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_1601396, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1608746)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1609680)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1614400, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_1615332, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x558d99e6bec0), a)
   Exit: (223) [system] get_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1622682)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1623616)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1628336, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1629268, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1636618)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1637552)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1642272, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1643204, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1650554)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1651488)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1656208, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1657140, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1664490)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1665424)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1670144, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1671076, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1678426)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1679360)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1678426=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _1664490=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (226) [system] _1650554=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (225) [system] _1636618=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (224) [system] _1622682=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (223) [system] _1608746=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (222) [system] _1594810=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (221) [system] _1580874=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (220) [system] _1566938=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1553002=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1539066=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1505412)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1716610, _1716612), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1505412), _1716586, fail)), '$restore_trace'(_1716610, _1716612))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1716610, _1716612))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1505412), _1716586, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1505412)
   Fail: (218) [system] atomic(_1505412)
   Call: (218) [system] atom_chars(_1505412, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1725986)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1727844)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1735582)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1738286)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1753364)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1758934)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1760792)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1774946)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1758934)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1780516)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1794670)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1800240)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1802098)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1816252)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1800240)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1833894)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1834828)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1839548, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1840480, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1847830)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1848764)
   Exit: (222) [system] peek_char((0x558d99e6bec0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_1853484, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_1854416, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x558d99e6bec0), d)
   Exit: (222) [system] get_char((0x558d99e6bec0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1861766)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1862700)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_1867420, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_1868352, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1875702)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1876636)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1881356, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1882288, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1889638)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1890572)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1895292, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1896224, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1903574)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1904508)
   Exit: (226) [system] peek_char((0x558d99e6bec0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_1909228, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_1910160, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x558d99e6bec0), k)
   Exit: (226) [system] get_char((0x558d99e6bec0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1917510)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1918444)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1917510=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1903574=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (225) [system] _1889638=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (224) [system] _1875702=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (223) [system] _1861766=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (222) [system] _1847830=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (221) [system] _1833894=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1800240)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1944518, _1944520), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1800240), _1944494, fail)), '$restore_trace'(_1944518, _1944520))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1944518, _1944520))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1800240), _1944494, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1800240)
   Fail: (221) [system] atomic(_1800240)
   Call: (221) [system] atom_chars(_1800240, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1953894)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1955752)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1963490)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1966194)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1981272)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1986842)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1988700)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _2002854)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1986842)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2020496)
   Call: (222) [system] peek_char((0x558d99e6bec0), _2021430)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _2020496=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _1986842)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2030740, _2030742), once(user:catch(read_from_chars(['A'], _1986842), _2030716, fail)), '$restore_trace'(_2030740, _2030742))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2030740, _2030742))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1986842), _2030716, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1986842)
   Fail: (222) [system] atomic(_1986842)
   Call: (222) [system] atom_chars(_1986842, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _2040116)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _2041974)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _2049712)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2052416)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2067494)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _2073064)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2074922)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _2089076)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _4988)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _14914)
   Call: (223) [system] peek_char((0x558d99e6bec0), _15848)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_20568, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _14914=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _4988)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_27030, _27032), once(user:catch(read_from_chars(['B'], _4988), _27006, fail)), '$restore_trace'(_27030, _27032))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_27030, _27032))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _4988), _27006, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_4988)
   Fail: (223) [system] atomic(_4988)
   Call: (223) [system] atom_chars(_4988, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _36406)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _38264)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _52418)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _56208)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _36406=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _4984=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (219) [system] _4978=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (218) [system] _4970=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _70090)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _71948)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _79686)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _82390)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _97468)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _103038)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _104896)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _119050)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _103038)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _136692)
   Call: (220) [system] peek_char((0x558d99e6bec0), _137626)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_142346, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _136692=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _103038)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_148808, _148810), once(user:catch(read_from_chars(['C'], _103038), _148784, fail)), '$restore_trace'(_148808, _148810))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_148808, _148810))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _103038), _148784, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_103038)
   Fail: (220) [system] atomic(_103038)
   Call: (220) [system] atom_chars(_103038, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _158184)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _160042)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _174196)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _177986)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _158184=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _70090=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (216) [system] _4966=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4958=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _191868)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _193726)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _207880)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _211670)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _191868=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _4954=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4948=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _4940=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _225552)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _227410)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _241564)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _245354)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _225552=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _4936=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4894=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4886=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _259236)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _261094)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=(;)
   Fail: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Fail: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Fail: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Fail: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
   Fail: (208) [system] char_type(')', cntrl)
^  Fail: (207) [user] is_like_space(')')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _275248)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x558d99e6bec0), _279038)
   Exit: (206) [system] get_char((0x558d99e6bec0), ')')
   Call: (206) [system] _259236=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (205) [system] _4882=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (204) [system] _4840=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (203) [system] _4832=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (203) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (202) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (201) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (201) [user] read_list(')', (0x558d99e6bec0), _292920)
^  Call: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _294778)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (203) [system] '\n'=(;)
   Fail: (203) [system] '\n'=(;)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Fail: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x558d99e6bec0), _304372)
   Exit: (203) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _307076)
   Exit: (204) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (204) [system] ' '=(;)
   Fail: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x558d99e6bec0), _314814)
   Exit: (204) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _317518)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (202) [user] skip_spaces((0x558d99e6bec0))
   Call: (202) [system] peek_char((0x558d99e6bec0), _333520)
   Exit: (202) [system] peek_char((0x558d99e6bec0), '(')
   Call: (202) [system] '('=')'
   Fail: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
   Fail: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x558d99e6bec0), _339090)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _340948)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=(;)
   Fail: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Fail: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Fail: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Fail: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
   Fail: (205) [system] char_type('(', cntrl)
^  Fail: (204) [user] is_like_space('(')
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] get_char((0x558d99e6bec0), _355102)
   Exit: (203) [system] get_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _339090)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _360672)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=(;)
   Fail: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Fail: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Fail: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Fail: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
   Fail: (206) [system] char_type(:, cntrl)
^  Fail: (205) [user] is_like_space(:)
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _374826)
   Exit: (204) [system] peek_char((0x558d99e6bec0), :)
   Call: (204) [system] (:)=')'
   Fail: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
   Fail: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _380396)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _382254)
   Exit: (206) [system] peek_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _396408)
   Exit: (205) [system] get_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)='('
   Fail: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Fail: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Fail: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Fail: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Fail: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Fail: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Fail: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x558d99e6bec0), :, _380396)
^  Call: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), _414050)
   Call: (207) [system] peek_char((0x558d99e6bec0), _414984)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _414050=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (206) [user] classify_and_convert_charseq(:, [], _380396)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_424294, _424296), once(user:catch(read_from_chars([:], _380396), _424270, fail)), '$restore_trace'(_424294, _424296))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_424294, _424296))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _424270, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (205) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _431794)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _433652)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _441390)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _444094)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _459172)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _464742)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _466600)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _480754)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _464742)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _486324)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'=(;)
   Fail: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Fail: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Fail: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Fail: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
   Fail: (209) [system] char_type('D', cntrl)
^  Fail: (208) [user] is_like_space('D')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _500478)
   Exit: (207) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (207) [system] 'D'=')'
   Fail: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
   Fail: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _506048)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _507906)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _522060)
   Exit: (208) [system] get_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'='('
   Fail: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Fail: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Fail: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Fail: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Fail: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Fail: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Fail: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _506048)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _539702)
   Call: (210) [system] peek_char((0x558d99e6bec0), _540636)
   Exit: (210) [system] peek_char((0x558d99e6bec0), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Fail: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_545356, v('(', ')', end_of_file), i)
   Fail: (211) [system] arg(_546288, v('(', ')', end_of_file), i)
^  Fail: (210) [user] is_delimiter(i)
   Call: (210) [system] ')'==i
   Fail: (210) [system] ')'==i
   Call: (210) [system] get_char((0x558d99e6bec0), i)
   Exit: (210) [system] get_char((0x558d99e6bec0), i)
   Call: (210) [system] i=(\)
   Fail: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _553638)
   Call: (211) [system] peek_char((0x558d99e6bec0), _554572)
   Exit: (211) [system] peek_char((0x558d99e6bec0), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Fail: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_559292, v('(', ')', end_of_file), s)
   Fail: (212) [system] arg(_560224, v('(', ')', end_of_file), s)
^  Fail: (211) [user] is_delimiter(s)
   Call: (211) [system] ')'==s
   Fail: (211) [system] ')'==s
   Call: (211) [system] get_char((0x558d99e6bec0), s)
   Exit: (211) [system] get_char((0x558d99e6bec0), s)
   Call: (211) [system] s=(\)
   Fail: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _567574)
   Call: (212) [system] peek_char((0x558d99e6bec0), _568508)
   Exit: (212) [system] peek_char((0x558d99e6bec0), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Fail: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_573228, v('(', ')', end_of_file), j)
   Fail: (213) [system] arg(_574160, v('(', ')', end_of_file), j)
^  Fail: (212) [user] is_delimiter(j)
   Call: (212) [system] ')'==j
   Fail: (212) [system] ')'==j
   Call: (212) [system] get_char((0x558d99e6bec0), j)
   Exit: (212) [system] get_char((0x558d99e6bec0), j)
   Call: (212) [system] j=(\)
   Fail: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _581510)
   Call: (213) [system] peek_char((0x558d99e6bec0), _582444)
   Exit: (213) [system] peek_char((0x558d99e6bec0), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Fail: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_587164, v('(', ')', end_of_file), u)
   Fail: (214) [system] arg(_588096, v('(', ')', end_of_file), u)
^  Fail: (213) [user] is_delimiter(u)
   Call: (213) [system] ')'==u
   Fail: (213) [system] ')'==u
   Call: (213) [system] get_char((0x558d99e6bec0), u)
   Exit: (213) [system] get_char((0x558d99e6bec0), u)
   Call: (213) [system] u=(\)
   Fail: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _595446)
   Call: (214) [system] peek_char((0x558d99e6bec0), _596380)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_601100, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_602032, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _609382)
   Call: (215) [system] peek_char((0x558d99e6bec0), _610316)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_615036, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_615968, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _623318)
   Call: (216) [system] peek_char((0x558d99e6bec0), _624252)
   Exit: (216) [system] peek_char((0x558d99e6bec0), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Fail: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_628972, v('(', ')', end_of_file), t)
   Fail: (217) [system] arg(_629904, v('(', ')', end_of_file), t)
^  Fail: (216) [user] is_delimiter(t)
   Call: (216) [system] ')'==t
   Fail: (216) [system] ')'==t
   Call: (216) [system] get_char((0x558d99e6bec0), t)
   Exit: (216) [system] get_char((0x558d99e6bec0), t)
   Call: (216) [system] t=(\)
   Fail: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _637254)
   Call: (217) [system] peek_char((0x558d99e6bec0), _638188)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_642908, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_643840, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _651190)
   Call: (218) [system] peek_char((0x558d99e6bec0), _652124)
   Exit: (218) [system] peek_char((0x558d99e6bec0), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Fail: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_656844, v('(', ')', end_of_file), o)
   Fail: (219) [system] arg(_657776, v('(', ')', end_of_file), o)
^  Fail: (218) [user] is_delimiter(o)
   Call: (218) [system] ')'==o
   Fail: (218) [system] ')'==o
   Call: (218) [system] get_char((0x558d99e6bec0), o)
   Exit: (218) [system] get_char((0x558d99e6bec0), o)
   Call: (218) [system] o=(\)
   Fail: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _665126)
   Call: (219) [system] peek_char((0x558d99e6bec0), _666060)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_670780, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_671712, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _679062)
   Call: (220) [system] peek_char((0x558d99e6bec0), _679996)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_684716, v('(', ')', end_of_file), 'I')
   Fail: (221) [system] arg(_685648, v('(', ')', end_of_file), 'I')
^  Fail: (220) [user] is_delimiter('I')
   Call: (220) [system] ')'=='I'
   Fail: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(\)
   Fail: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _692998)
   Call: (221) [system] peek_char((0x558d99e6bec0), _693932)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_698652, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_699584, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _706934)
   Call: (222) [system] peek_char((0x558d99e6bec0), _707868)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_712588, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_713520, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _720870)
   Call: (223) [system] peek_char((0x558d99e6bec0), _721804)
   Exit: (223) [system] peek_char((0x558d99e6bec0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_726524, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_727456, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x558d99e6bec0), r)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _734806)
   Call: (224) [system] peek_char((0x558d99e6bec0), _735740)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_740460, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_741392, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _748742)
   Call: (225) [system] peek_char((0x558d99e6bec0), _749676)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_754396, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_755328, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _762678)
   Call: (226) [system] peek_char((0x558d99e6bec0), _763612)
   Exit: (226) [system] peek_char((0x558d99e6bec0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_768332, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_769264, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x558d99e6bec0), u)
   Exit: (226) [system] get_char((0x558d99e6bec0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _776614)
   Call: (227) [system] peek_char((0x558d99e6bec0), _777548)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_782268, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_783200, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _790550)
   Call: (228) [system] peek_char((0x558d99e6bec0), _791484)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_796204, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_797136, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _804486)
   Call: (229) [system] peek_char((0x558d99e6bec0), _805420)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_810140, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_811072, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _818422)
   Call: (230) [system] peek_char((0x558d99e6bec0), _819356)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_824076, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_825008, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _832358)
   Call: (231) [system] peek_char((0x558d99e6bec0), _833292)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_838012, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_838944, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _846294)
   Call: (232) [system] peek_char((0x558d99e6bec0), _847228)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _846294=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _832358=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _818422=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _804486=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _790550=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _776614=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (226) [system] _762678=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (225) [system] _748742=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (224) [system] _734806=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _720870=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _706934=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _692998=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _679062=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _665126=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _651190=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _637254=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _623318=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _609382=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _595446=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _581510=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _567574=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _553638=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _539702=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506048)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_918006, _918008), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506048), _917982, fail)), '$restore_trace'(_918006, _918008))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_918006, _918008))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506048), _917982, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_506048)
   Fail: (210) [system] atomic(_506048)
   Call: (210) [system] atom_chars(_506048, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _927382)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _929240)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _936978)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _939682)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _954760)
   Exit: (208) [system] peek_char((0x558d99e6bec0), a)
   Call: (208) [system] a=')'
   Fail: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
   Fail: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _960330)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _962188)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=(;)
   Fail: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Fail: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Fail: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Fail: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
   Fail: (211) [system] char_type(a, cntrl)
^  Fail: (210) [user] is_like_space(a)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _976342)
   Exit: (209) [system] get_char((0x558d99e6bec0), a)
   Call: (209) [system] a='('
   Fail: (209) [system] a='('
   Call: (209) [system] a='['
   Fail: (209) [system] a='['
   Call: (209) [system] a='{'
   Fail: (209) [system] a='{'
   Call: (209) [system] a='"'
   Fail: (209) [system] a='"'
   Call: (209) [system] a=!
   Fail: (209) [system] a=!
   Call: (209) [system] a='\''
   Fail: (209) [system] a='\''
   Call: (209) [system] a='`'
   Fail: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, _960330)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _993984)
   Call: (211) [system] peek_char((0x558d99e6bec0), _994918)
   Exit: (211) [system] peek_char((0x558d99e6bec0), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Fail: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_999638, v('(', ')', end_of_file), b)
   Fail: (212) [system] arg(_1000570, v('(', ')', end_of_file), b)
^  Fail: (211) [user] is_delimiter(b)
   Call: (211) [system] ')'==b
   Fail: (211) [system] ')'==b
   Call: (211) [system] get_char((0x558d99e6bec0), b)
   Exit: (211) [system] get_char((0x558d99e6bec0), b)
   Call: (211) [system] b=(\)
   Fail: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1007920)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1008854)
   Exit: (212) [system] peek_char((0x558d99e6bec0), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Fail: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1013574, v('(', ')', end_of_file), c)
   Fail: (213) [system] arg(_1014506, v('(', ')', end_of_file), c)
^  Fail: (212) [user] is_delimiter(c)
   Call: (212) [system] ')'==c
   Fail: (212) [system] ')'==c
   Call: (212) [system] get_char((0x558d99e6bec0), c)
   Exit: (212) [system] get_char((0x558d99e6bec0), c)
   Call: (212) [system] c=(\)
   Fail: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1021856)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1022790)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1021856=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1007920=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (211) [system] _993984=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _960330)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1037688, _1037690), once(user:catch(read_from_chars([a, b, c], _960330), _1037664, fail)), '$restore_trace'(_1037688, _1037690))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1037688, _1037690))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1037664, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1045188)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1047046)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1054784)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1057488)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1072566)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1078136)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1079994)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1094148)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1078136)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1099718)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1113872)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1119442)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1121300)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1135454)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1119442)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1153096)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1154030)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1158750, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_1159682, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1167032)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1167966)
   Exit: (215) [system] peek_char((0x558d99e6bec0), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_1172686, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_1173618, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x558d99e6bec0), s)
   Exit: (215) [system] get_char((0x558d99e6bec0), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1180968)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1181902)
   Exit: (216) [system] peek_char((0x558d99e6bec0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_1186622, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_1187554, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x558d99e6bec0), j)
   Exit: (216) [system] get_char((0x558d99e6bec0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1194904)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1195838)
   Exit: (217) [system] peek_char((0x558d99e6bec0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1200558, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_1201490, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x558d99e6bec0), u)
   Exit: (217) [system] get_char((0x558d99e6bec0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1208840)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1209774)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1214494, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1215426, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1222776)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1223710)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1228430, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1229362, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1236712)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1237646)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1242366, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_1243298, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1250648)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1251582)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1256302, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1257234, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1264584)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1265518)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1270238, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_1271170, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1278520)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1279454)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1284174, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1285106, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1292456)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1293390)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1298110, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_1299042, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1306392)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1307326)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1312046, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1312978, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1320328)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1321262)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1325982, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1326914, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334264)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1335198)
   Exit: (227) [system] peek_char((0x558d99e6bec0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1339918, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1340850, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x558d99e6bec0), r)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348200)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1349134)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1353854, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1354786, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362136)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1363070)
   Exit: (229) [system] peek_char((0x558d99e6bec0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1367790, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_1368722, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x558d99e6bec0), d)
   Exit: (229) [system] get_char((0x558d99e6bec0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1376072)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1377006)
   Exit: (230) [system] peek_char((0x558d99e6bec0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1381726, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_1382658, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x558d99e6bec0), u)
   Exit: (230) [system] get_char((0x558d99e6bec0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1390008)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1390942)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1395662, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_1396594, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x558d99e6bec0), c)
   Exit: (231) [system] get_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1403944)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1404878)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1409598, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1410530, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1417880)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1418814)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1423534, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1424466, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1431816)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1432750)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1437470, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1438402, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1445752)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1446686)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1451406, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1452338, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1459688)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1460622)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1459688=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _1445752=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (234) [system] _1431816=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (233) [system] _1417880=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (232) [system] _1403944=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (231) [system] _1390008=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (230) [system] _1376072=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (229) [system] _1362136=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (228) [system] _1348200=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _1334264=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1320328=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1306392=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1292456=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1278520=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1264584=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1250648=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1236712=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1222776=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1208840=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1194904=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1180968=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1167032=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1153096=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1119442)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1531400, _1531402), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1119442), _1531376, fail)), '$restore_trace'(_1531400, _1531402))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1531400, _1531402))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1119442), _1531376, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1119442)
   Fail: (214) [system] atomic(_1119442)
   Call: (214) [system] atom_chars(_1119442, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1540776)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1542634)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1550372)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1553076)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1568154)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1573724)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1575582)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1589736)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, _1573724)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1607378)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1608312)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1607378=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq(a, [], _1573724)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1617622, _1617624), once(user:catch(read_from_chars([a], _1573724), _1617598, fail)), '$restore_trace'(_1617622, _1617624))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1617622, _1617624))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1617598, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1625122)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1626980)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1634718)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1637422)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1652500)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1658070)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1659928)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1674082)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, _1658070)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1691724)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1692658)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1697378, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1691724=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq(a, [], _1658070)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1703840, _1703842), once(user:catch(read_from_chars([a], _1658070), _1703816, fail)), '$restore_trace'(_1703840, _1703842))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1703840, _1703842))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1703816, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1711340)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1713198)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1727352)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _1731142)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _1711340=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1625122=[a]
   Exit: (213) [system] [a]=[a]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (212) [system] _1540776=[a, a]
   Exit: (212) [system] [a, a]=[a, a]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (211) [system] _1078136=['DisjunctionIntroduction', a, a]
   Exit: (211) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1745024)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1746882)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1761036)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _1764826)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _1745024=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _1045188=[['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a]])
   Call: (208) [system] _927382=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (208) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (207) [system] _464742=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1778708)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1780566)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1788304)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1791008)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1806086)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1811656)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1813514)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1827668)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1811656)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1833238)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=(;)
   Fail: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Fail: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Fail: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Fail: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
   Fail: (210) [system] char_type('O', cntrl)
^  Fail: (209) [user] is_like_space('O')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1847392)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (208) [system] 'O'=')'
   Fail: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
   Fail: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1852962)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1854820)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1868974)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'='('
   Fail: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Fail: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Fail: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Fail: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Fail: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Fail: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Fail: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1852962)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1886616)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1887550)
   Exit: (211) [system] peek_char((0x558d99e6bec0), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Fail: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1892270, v('(', ')', end_of_file), r)
   Fail: (212) [system] arg(_1893202, v('(', ')', end_of_file), r)
^  Fail: (211) [user] is_delimiter(r)
   Call: (211) [system] ')'==r
   Fail: (211) [system] ')'==r
   Call: (211) [system] get_char((0x558d99e6bec0), r)
   Exit: (211) [system] get_char((0x558d99e6bec0), r)
   Call: (211) [system] r=(\)
   Fail: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1900552)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1901486)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Fail: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1906206, v('(', ')', end_of_file), 'L')
   Fail: (213) [system] arg(_1907138, v('(', ')', end_of_file), 'L')
^  Fail: (212) [user] is_delimiter('L')
   Call: (212) [system] ')'=='L'
   Fail: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (212) [system] get_char((0x558d99e6bec0), 'L')
   Call: (212) [system] 'L'=(\)
   Fail: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1914488)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1915422)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1920142, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_1921074, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1928424)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1929358)
   Exit: (214) [system] peek_char((0x558d99e6bec0), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Fail: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1934078, v('(', ')', end_of_file), n)
   Fail: (215) [system] arg(_1935010, v('(', ')', end_of_file), n)
^  Fail: (214) [user] is_delimiter(n)
   Call: (214) [system] ')'==n
   Fail: (214) [system] ')'==n
   Call: (214) [system] get_char((0x558d99e6bec0), n)
   Exit: (214) [system] get_char((0x558d99e6bec0), n)
   Call: (214) [system] n=(\)
   Fail: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1942360)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1943294)
   Exit: (215) [system] peek_char((0x558d99e6bec0), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Fail: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1948014, v('(', ')', end_of_file), k)
   Fail: (216) [system] arg(_1948946, v('(', ')', end_of_file), k)
^  Fail: (215) [user] is_delimiter(k)
   Call: (215) [system] ')'==k
   Fail: (215) [system] ')'==k
   Call: (215) [system] get_char((0x558d99e6bec0), k)
   Exit: (215) [system] get_char((0x558d99e6bec0), k)
   Call: (215) [system] k=(\)
   Fail: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1956296)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1957230)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1956296=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1942360=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (214) [system] _1928424=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (213) [system] _1914488=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (212) [system] _1900552=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (211) [system] _1886616=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1852962)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1980510, _1980512), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1852962), _1980486, fail)), '$restore_trace'(_1980510, _1980512))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1980510, _1980512))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1852962), _1980486, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1852962)
   Fail: (211) [system] atomic(_1852962)
   Call: (211) [system] atom_chars(_1852962, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1989886)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1991744)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1999482)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2002186)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _2017264)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _2022834)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2024692)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _2038846)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _2022834)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2044416)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=(;)
   Fail: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Fail: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Fail: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Fail: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
   Fail: (213) [system] char_type('I', cntrl)
^  Fail: (212) [user] is_like_space('I')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2058570)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (211) [system] 'I'=')'
   Fail: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
   Fail: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _2064140)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2065998)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _2080152)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'='('
   Fail: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Fail: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Fail: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Fail: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Fail: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Fail: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Fail: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _5072)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _5956)
   Call: (214) [system] peek_char((0x558d99e6bec0), _6890)
   Exit: (214) [system] peek_char((0x558d99e6bec0), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Fail: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_11610, v('(', ')', end_of_file), m)
   Fail: (215) [system] arg(_12542, v('(', ')', end_of_file), m)
^  Fail: (214) [user] is_delimiter(m)
   Call: (214) [system] ')'==m
   Fail: (214) [system] ')'==m
   Call: (214) [system] get_char((0x558d99e6bec0), m)
   Exit: (214) [system] get_char((0x558d99e6bec0), m)
   Call: (214) [system] m=(\)
   Fail: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _19892)
   Call: (215) [system] peek_char((0x558d99e6bec0), _20826)
   Exit: (215) [system] peek_char((0x558d99e6bec0), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Fail: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_25546, v('(', ')', end_of_file), p)
   Fail: (216) [system] arg(_26478, v('(', ')', end_of_file), p)
^  Fail: (215) [user] is_delimiter(p)
   Call: (215) [system] ')'==p
   Fail: (215) [system] ')'==p
   Call: (215) [system] get_char((0x558d99e6bec0), p)
   Exit: (215) [system] get_char((0x558d99e6bec0), p)
   Call: (215) [system] p=(\)
   Fail: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _33828)
   Call: (216) [system] peek_char((0x558d99e6bec0), _34762)
   Exit: (216) [system] peek_char((0x558d99e6bec0), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Fail: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_39482, v('(', ')', end_of_file), l)
   Fail: (217) [system] arg(_40414, v('(', ')', end_of_file), l)
^  Fail: (216) [user] is_delimiter(l)
   Call: (216) [system] ')'==l
   Fail: (216) [system] ')'==l
   Call: (216) [system] get_char((0x558d99e6bec0), l)
   Exit: (216) [system] get_char((0x558d99e6bec0), l)
   Call: (216) [system] l=(\)
   Fail: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _47764)
   Call: (217) [system] peek_char((0x558d99e6bec0), _48698)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_53418, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_54350, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _61700)
   Call: (218) [system] peek_char((0x558d99e6bec0), _62634)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_67354, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_68286, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _75636)
   Call: (219) [system] peek_char((0x558d99e6bec0), _76570)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_81290, v('(', ')', end_of_file), a)
   Fail: (220) [system] arg(_82222, v('(', ')', end_of_file), a)
^  Fail: (219) [user] is_delimiter(a)
   Call: (219) [system] ')'==a
   Fail: (219) [system] ')'==a
   Call: (219) [system] get_char((0x558d99e6bec0), a)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(\)
   Fail: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _89572)
   Call: (220) [system] peek_char((0x558d99e6bec0), _90506)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_95226, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_96158, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _103508)
   Call: (221) [system] peek_char((0x558d99e6bec0), _104442)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_109162, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_110094, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _117444)
   Call: (222) [system] peek_char((0x558d99e6bec0), _118378)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_123098, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_124030, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _131380)
   Call: (223) [system] peek_char((0x558d99e6bec0), _132314)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_137034, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_137966, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _145316)
   Call: (224) [system] peek_char((0x558d99e6bec0), _146250)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _145316=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _131380=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (222) [system] _117444=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (221) [system] _103508=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (220) [system] _89572=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (219) [system] _75636=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (218) [system] _61700=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (217) [system] _47764=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (216) [system] _33828=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _19892=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _5956=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _5072)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_183500, _183502), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5072), _183476, fail)), '$restore_trace'(_183500, _183502))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_183500, _183502))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5072), _183476, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_5072)
   Fail: (214) [system] atomic(_5072)
   Call: (214) [system] atom_chars(_5072, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _192876)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _194734)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _202472)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _205176)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _220254)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _225824)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _227682)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _241836)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _225824)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _247406)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=(;)
   Fail: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Fail: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Fail: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Fail: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
   Fail: (216) [system] char_type('A', cntrl)
^  Fail: (215) [user] is_like_space('A')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _261560)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (214) [system] 'A'=')'
   Fail: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
   Fail: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _267130)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _268988)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _283142)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'='('
   Fail: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Fail: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Fail: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Fail: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Fail: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Fail: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Fail: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _267130)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _300784)
   Call: (217) [system] peek_char((0x558d99e6bec0), _301718)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_306438, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_307370, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _314720)
   Call: (218) [system] peek_char((0x558d99e6bec0), _315654)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_320374, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_321306, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _328656)
   Call: (219) [system] peek_char((0x558d99e6bec0), _329590)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_334310, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_335242, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _342592)
   Call: (220) [system] peek_char((0x558d99e6bec0), _343526)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_348246, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_349178, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _356528)
   Call: (221) [system] peek_char((0x558d99e6bec0), _357462)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_362182, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_363114, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _370464)
   Call: (222) [system] peek_char((0x558d99e6bec0), _371398)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_376118, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_377050, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _384400)
   Call: (223) [system] peek_char((0x558d99e6bec0), _385334)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _384400=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _370464=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _356528=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _342592=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _328656=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _314720=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (217) [system] _300784=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _267130)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_411408, _411410), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _267130), _411384, fail)), '$restore_trace'(_411408, _411410))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_411408, _411410))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _267130), _411384, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_267130)
   Fail: (217) [system] atomic(_267130)
   Call: (217) [system] atom_chars(_267130, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _420784)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _422642)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _430380)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _433084)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _448162)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _453732)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _455590)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _469744)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _453732)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _487386)
   Call: (218) [system] peek_char((0x558d99e6bec0), _488320)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _487386=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _453732)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_497630, _497632), once(user:catch(read_from_chars(['A'], _453732), _497606, fail)), '$restore_trace'(_497630, _497632))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_497630, _497632))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _453732), _497606, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_453732)
   Fail: (218) [system] atomic(_453732)
   Call: (218) [system] atom_chars(_453732, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _507006)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _508864)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _516602)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _519306)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _534384)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=')'
   Fail: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _539954)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _541812)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=(;)
   Fail: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Fail: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Fail: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Fail: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
   Fail: (219) [system] char_type('B', cntrl)
^  Fail: (218) [user] is_like_space('B')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _555966)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'='('
   Fail: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Fail: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Fail: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Fail: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Fail: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Fail: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Fail: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _539954)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _573608)
   Call: (219) [system] peek_char((0x558d99e6bec0), _574542)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_579262, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _573608=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _539954)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_585724, _585726), once(user:catch(read_from_chars(['B'], _539954), _585700, fail)), '$restore_trace'(_585724, _585726))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_585724, _585726))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _539954), _585700, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_539954)
   Fail: (219) [system] atomic(_539954)
   Call: (219) [system] atom_chars(_539954, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _595100)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _596958)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _611112)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _614902)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _595100=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _507006=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (215) [system] _420784=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (214) [system] _225824=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _628784)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _630642)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _638380)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _641084)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _656162)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (213) [system] 'C'=')'
   Fail: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
   Fail: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _661732)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _663590)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=(;)
   Fail: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Fail: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Fail: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Fail: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
   Fail: (216) [system] char_type('C', cntrl)
^  Fail: (215) [user] is_like_space('C')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _677744)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'='('
   Fail: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Fail: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Fail: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Fail: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Fail: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Fail: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Fail: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _661732)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _695386)
   Call: (216) [system] peek_char((0x558d99e6bec0), _696320)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_701040, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _695386=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _661732)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_707502, _707504), once(user:catch(read_from_chars(['C'], _661732), _707478, fail)), '$restore_trace'(_707502, _707504))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_707502, _707504))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _661732), _707478, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_661732)
   Fail: (216) [system] atomic(_661732)
   Call: (216) [system] atom_chars(_661732, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _716878)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _718736)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _732890)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _736680)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _716878=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _628784=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (212) [system] _192876=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _5066=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _750562)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _752420)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _760158)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _762862)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _777940)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _783510)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _785368)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _799522)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _783510)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _805092)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _819246)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _824816)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _826674)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _840828)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _824816)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _858470)
   Call: (215) [system] peek_char((0x558d99e6bec0), _859404)
   Exit: (215) [system] peek_char((0x558d99e6bec0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_864124, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_865056, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x558d99e6bec0), r)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _872406)
   Call: (216) [system] peek_char((0x558d99e6bec0), _873340)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_878060, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_878992, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _886342)
   Call: (217) [system] peek_char((0x558d99e6bec0), _887276)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_891996, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_892928, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _900278)
   Call: (218) [system] peek_char((0x558d99e6bec0), _901212)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_905932, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_906864, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _914214)
   Call: (219) [system] peek_char((0x558d99e6bec0), _915148)
   Exit: (219) [system] peek_char((0x558d99e6bec0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_919868, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_920800, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x558d99e6bec0), k)
   Exit: (219) [system] get_char((0x558d99e6bec0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _928150)
   Call: (220) [system] peek_char((0x558d99e6bec0), _929084)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _928150=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _914214=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (218) [system] _900278=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (217) [system] _886342=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (216) [system] _872406=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (215) [system] _858470=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _824816)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_952364, _952366), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _824816), _952340, fail)), '$restore_trace'(_952364, _952366))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_952364, _952366))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _824816), _952340, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_824816)
   Fail: (215) [system] atomic(_824816)
   Call: (215) [system] atom_chars(_824816, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _961740)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _963598)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _971336)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _974040)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _989118)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (213) [system] 'B'=')'
   Fail: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
   Fail: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _994688)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _996546)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=(;)
   Fail: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Fail: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Fail: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Fail: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
   Fail: (216) [system] char_type('B', cntrl)
^  Fail: (215) [user] is_like_space('B')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1010700)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'='('
   Fail: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Fail: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Fail: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Fail: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Fail: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Fail: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Fail: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _994688)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1028342)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1029276)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1028342=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq('B', [], _994688)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1038586, _1038588), once(user:catch(read_from_chars(['B'], _994688), _1038562, fail)), '$restore_trace'(_1038586, _1038588))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1038586, _1038588))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _994688), _1038562, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_994688)
   Fail: (216) [system] atomic(_994688)
   Call: (216) [system] atom_chars(_994688, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1047962)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1049820)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1057558)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1060262)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1075340)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1080910)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1082768)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1096922)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1080910)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1114564)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1115498)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1120218, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1114564=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _1080910)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1126680, _1126682), once(user:catch(read_from_chars(['B'], _1080910), _1126656, fail)), '$restore_trace'(_1126680, _1126682))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1126680, _1126682))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1080910), _1126656, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1080910)
   Fail: (217) [system] atomic(_1080910)
   Call: (217) [system] atom_chars(_1080910, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1136056)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1137914)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1152068)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1155858)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1136056=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1047962=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (213) [system] _961740=['B', 'B']
   Exit: (213) [system] ['B', 'B']=['B', 'B']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['B', 'B'])
   Call: (212) [system] _783510=['OrLink', 'B', 'B']
   Exit: (212) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', 'B'])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1169740)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1171598)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1185752)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _1189542)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _1169740=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _750562=[['OrLink', 'B', 'B']]
   Exit: (210) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', 'B']])
   Call: (209) [system] _5062=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
   Call: (208) [system] _5054=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1203424)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1205282)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=(;)
   Fail: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Fail: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Fail: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Fail: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
   Fail: (209) [system] char_type(')', cntrl)
^  Fail: (208) [user] is_like_space(')')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1219436)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x558d99e6bec0), _1223226)
   Exit: (207) [system] get_char((0x558d99e6bec0), ')')
   Call: (207) [system] _1203424=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (206) [system] _5050=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _5008=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _5000=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Exit: (202) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Call: (202) [user] read_list(')', (0x558d99e6bec0), _1237108)
^  Call: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _1238966)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (204) [system] '\n'=(;)
   Fail: (204) [system] '\n'=(;)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Fail: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x558d99e6bec0), _1248560)
   Exit: (204) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1251264)
   Exit: (205) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (205) [system] ' '=(;)
   Fail: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x558d99e6bec0), _1259002)
   Exit: (205) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1261706)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (203) [user] skip_spaces((0x558d99e6bec0))
   Call: (203) [system] peek_char((0x558d99e6bec0), _1277708)
   Exit: (203) [system] peek_char((0x558d99e6bec0), '(')
   Call: (203) [system] '('=')'
   Fail: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
   Fail: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x558d99e6bec0), _1283278)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1285136)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=(;)
   Fail: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Fail: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Fail: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Fail: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
   Fail: (206) [system] char_type('(', cntrl)
^  Fail: (205) [user] is_like_space('(')
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] get_char((0x558d99e6bec0), _1299290)
   Exit: (204) [system] get_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1283278)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1304860)
   Exit: (206) [system] peek_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)=(;)
   Fail: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Fail: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Fail: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Fail: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
   Fail: (207) [system] char_type(:, cntrl)
^  Fail: (206) [user] is_like_space(:)
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1319014)
   Exit: (205) [system] peek_char((0x558d99e6bec0), :)
   Call: (205) [system] (:)=')'
   Fail: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
   Fail: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1324584)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1326442)
   Exit: (207) [system] peek_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1340596)
   Exit: (206) [system] get_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)='('
   Fail: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Fail: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Fail: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Fail: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Fail: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Fail: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Fail: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x558d99e6bec0), :, _1324584)
^  Call: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1358238)
   Call: (208) [system] peek_char((0x558d99e6bec0), _1359172)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1358238=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (207) [user] classify_and_convert_charseq(:, [], _1324584)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1368482, _1368484), once(user:catch(read_from_chars([:], _1324584), _1368458, fail)), '$restore_trace'(_1368482, _1368484))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1368482, _1368484))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1368458, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (206) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _1375982)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1377840)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1385578)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1388282)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1403360)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _1408930)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1410788)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _1424942)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1408930)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1430512)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=(;)
   Fail: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Fail: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Fail: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Fail: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
   Fail: (210) [system] char_type('D', cntrl)
^  Fail: (209) [user] is_like_space('D')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1444666)
   Exit: (208) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (208) [system] 'D'=')'
   Fail: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
   Fail: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1450236)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1452094)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _1466248)
   Exit: (209) [system] get_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'='('
   Fail: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Fail: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Fail: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Fail: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Fail: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Fail: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Fail: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1450236)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1483890)
   Call: (211) [system] peek_char((0x558d99e6bec0), _1484824)
   Exit: (211) [system] peek_char((0x558d99e6bec0), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Fail: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1489544, v('(', ')', end_of_file), i)
   Fail: (212) [system] arg(_1490476, v('(', ')', end_of_file), i)
^  Fail: (211) [user] is_delimiter(i)
   Call: (211) [system] ')'==i
   Fail: (211) [system] ')'==i
   Call: (211) [system] get_char((0x558d99e6bec0), i)
   Exit: (211) [system] get_char((0x558d99e6bec0), i)
   Call: (211) [system] i=(\)
   Fail: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1497826)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1498760)
   Exit: (212) [system] peek_char((0x558d99e6bec0), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Fail: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1503480, v('(', ')', end_of_file), s)
   Fail: (213) [system] arg(_1504412, v('(', ')', end_of_file), s)
^  Fail: (212) [user] is_delimiter(s)
   Call: (212) [system] ')'==s
   Fail: (212) [system] ')'==s
   Call: (212) [system] get_char((0x558d99e6bec0), s)
   Exit: (212) [system] get_char((0x558d99e6bec0), s)
   Call: (212) [system] s=(\)
   Fail: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1511762)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1512696)
   Exit: (213) [system] peek_char((0x558d99e6bec0), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Fail: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_1517416, v('(', ')', end_of_file), j)
   Fail: (214) [system] arg(_1518348, v('(', ')', end_of_file), j)
^  Fail: (213) [user] is_delimiter(j)
   Call: (213) [system] ')'==j
   Fail: (213) [system] ')'==j
   Call: (213) [system] get_char((0x558d99e6bec0), j)
   Exit: (213) [system] get_char((0x558d99e6bec0), j)
   Call: (213) [system] j=(\)
   Fail: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1525698)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1526632)
   Exit: (214) [system] peek_char((0x558d99e6bec0), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Fail: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_1531352, v('(', ')', end_of_file), u)
   Fail: (215) [system] arg(_1532284, v('(', ')', end_of_file), u)
^  Fail: (214) [user] is_delimiter(u)
   Call: (214) [system] ')'==u
   Fail: (214) [system] ')'==u
   Call: (214) [system] get_char((0x558d99e6bec0), u)
   Exit: (214) [system] get_char((0x558d99e6bec0), u)
   Call: (214) [system] u=(\)
   Fail: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1539634)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1540568)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1545288, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_1546220, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1553570)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1554504)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1559224, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_1560156, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1567506)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1568440)
   Exit: (217) [system] peek_char((0x558d99e6bec0), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Fail: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1573160, v('(', ')', end_of_file), t)
   Fail: (218) [system] arg(_1574092, v('(', ')', end_of_file), t)
^  Fail: (217) [user] is_delimiter(t)
   Call: (217) [system] ')'==t
   Fail: (217) [system] ')'==t
   Call: (217) [system] get_char((0x558d99e6bec0), t)
   Exit: (217) [system] get_char((0x558d99e6bec0), t)
   Call: (217) [system] t=(\)
   Fail: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1581442)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1582376)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1587096, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1588028, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1595378)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1596312)
   Exit: (219) [system] peek_char((0x558d99e6bec0), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Fail: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1601032, v('(', ')', end_of_file), o)
   Fail: (220) [system] arg(_1601964, v('(', ')', end_of_file), o)
^  Fail: (219) [user] is_delimiter(o)
   Call: (219) [system] ')'==o
   Fail: (219) [system] ')'==o
   Call: (219) [system] get_char((0x558d99e6bec0), o)
   Exit: (219) [system] get_char((0x558d99e6bec0), o)
   Call: (219) [system] o=(\)
   Fail: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1609314)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1610248)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1614968, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1615900, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1623250)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1624184)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_1628904, v('(', ')', end_of_file), 'I')
   Fail: (222) [system] arg(_1629836, v('(', ')', end_of_file), 'I')
^  Fail: (221) [user] is_delimiter('I')
   Call: (221) [system] ')'=='I'
   Fail: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(\)
   Fail: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1637186)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1638120)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1642840, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1643772, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1651122)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1652056)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1656776, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1657708, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1665058)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1665992)
   Exit: (224) [system] peek_char((0x558d99e6bec0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1670712, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1671644, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x558d99e6bec0), r)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1678994)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1679928)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1684648, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1685580, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1692930)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1693864)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1698584, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1699516, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1706866)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1707800)
   Exit: (227) [system] peek_char((0x558d99e6bec0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1712520, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_1713452, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x558d99e6bec0), u)
   Exit: (227) [system] get_char((0x558d99e6bec0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1720802)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1721736)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1726456, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1727388, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1734738)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1735672)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1740392, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1741324, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1748674)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1749608)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1754328, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1755260, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1762610)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1763544)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1768264, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1769196, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1776546)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1777480)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1782200, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1783132, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1790482)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1791416)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1790482=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _1776546=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _1762610=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _1748674=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _1734738=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _1720802=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (227) [system] _1706866=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (226) [system] _1692930=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (225) [system] _1678994=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _1665058=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1651122=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1637186=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1623250=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1609314=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1595378=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1581442=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1567506=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1553570=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1539634=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1525698=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1511762=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1497826=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1483890=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1450236)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1862194, _1862196), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1450236), _1862170, fail)), '$restore_trace'(_1862194, _1862196))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1862194, _1862196))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1450236), _1862170, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1450236)
   Fail: (211) [system] atomic(_1450236)
   Call: (211) [system] atom_chars(_1450236, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1871570)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1873428)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1881166)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1883870)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1898948)
   Exit: (209) [system] peek_char((0x558d99e6bec0), a)
   Call: (209) [system] a=')'
   Fail: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
   Fail: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1904518)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1906376)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=(;)
   Fail: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Fail: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Fail: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Fail: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
   Fail: (212) [system] char_type(a, cntrl)
^  Fail: (211) [user] is_like_space(a)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1920530)
   Exit: (210) [system] get_char((0x558d99e6bec0), a)
   Call: (210) [system] a='('
   Fail: (210) [system] a='('
   Call: (210) [system] a='['
   Fail: (210) [system] a='['
   Call: (210) [system] a='{'
   Fail: (210) [system] a='{'
   Call: (210) [system] a='"'
   Fail: (210) [system] a='"'
   Call: (210) [system] a=!
   Fail: (210) [system] a=!
   Call: (210) [system] a='\''
   Fail: (210) [system] a='\''
   Call: (210) [system] a='`'
   Fail: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, _1904518)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1938172)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1939106)
   Exit: (212) [system] peek_char((0x558d99e6bec0), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Fail: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_1943826, v('(', ')', end_of_file), b)
   Fail: (213) [system] arg(_1944758, v('(', ')', end_of_file), b)
^  Fail: (212) [user] is_delimiter(b)
   Call: (212) [system] ')'==b
   Fail: (212) [system] ')'==b
   Call: (212) [system] get_char((0x558d99e6bec0), b)
   Exit: (212) [system] get_char((0x558d99e6bec0), b)
   Call: (212) [system] b=(\)
   Fail: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1952108)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1953042)
   Exit: (213) [system] peek_char((0x558d99e6bec0), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Fail: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1957762, v('(', ')', end_of_file), c)
   Fail: (214) [system] arg(_1958694, v('(', ')', end_of_file), c)
^  Fail: (213) [user] is_delimiter(c)
   Call: (213) [system] ')'==c
   Fail: (213) [system] ')'==c
   Call: (213) [system] get_char((0x558d99e6bec0), c)
   Exit: (213) [system] get_char((0x558d99e6bec0), c)
   Call: (213) [system] c=(\)
   Fail: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1966044)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1966978)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1966044=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (213) [system] _1952108=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (212) [system] _1938172=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (211) [user] classify_and_convert_charseq(a, [b, c], _1904518)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1981876, _1981878), once(user:catch(read_from_chars([a, b, c], _1904518), _1981852, fail)), '$restore_trace'(_1981876, _1981878))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1981876, _1981878))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1981852, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1989376)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1991234)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1998972)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2001676)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2016754)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _2022324)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2024182)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _2038336)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _2022324)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2043906)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2058060)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _2063630)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2065488)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _2079642)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _5168)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _5704)
   Call: (215) [system] peek_char((0x558d99e6bec0), _6638)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_11358, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_12290, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _19640)
   Call: (216) [system] peek_char((0x558d99e6bec0), _20574)
   Exit: (216) [system] peek_char((0x558d99e6bec0), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_25294, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_26226, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x558d99e6bec0), s)
   Exit: (216) [system] get_char((0x558d99e6bec0), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _33576)
   Call: (217) [system] peek_char((0x558d99e6bec0), _34510)
   Exit: (217) [system] peek_char((0x558d99e6bec0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_39230, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_40162, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x558d99e6bec0), j)
   Exit: (217) [system] get_char((0x558d99e6bec0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _47512)
   Call: (218) [system] peek_char((0x558d99e6bec0), _48446)
   Exit: (218) [system] peek_char((0x558d99e6bec0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_53166, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_54098, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x558d99e6bec0), u)
   Exit: (218) [system] get_char((0x558d99e6bec0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _61448)
   Call: (219) [system] peek_char((0x558d99e6bec0), _62382)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_67102, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_68034, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _75384)
   Call: (220) [system] peek_char((0x558d99e6bec0), _76318)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_81038, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_81970, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _89320)
   Call: (221) [system] peek_char((0x558d99e6bec0), _90254)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_94974, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_95906, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _103256)
   Call: (222) [system] peek_char((0x558d99e6bec0), _104190)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_108910, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_109842, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _117192)
   Call: (223) [system] peek_char((0x558d99e6bec0), _118126)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_122846, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_123778, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _131128)
   Call: (224) [system] peek_char((0x558d99e6bec0), _132062)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_136782, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_137714, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _145064)
   Call: (225) [system] peek_char((0x558d99e6bec0), _145998)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_150718, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_151650, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _159000)
   Call: (226) [system] peek_char((0x558d99e6bec0), _159934)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_164654, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_165586, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _172936)
   Call: (227) [system] peek_char((0x558d99e6bec0), _173870)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_178590, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_179522, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _186872)
   Call: (228) [system] peek_char((0x558d99e6bec0), _187806)
   Exit: (228) [system] peek_char((0x558d99e6bec0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_192526, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_193458, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x558d99e6bec0), r)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _200808)
   Call: (229) [system] peek_char((0x558d99e6bec0), _201742)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_206462, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_207394, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _214744)
   Call: (230) [system] peek_char((0x558d99e6bec0), _215678)
   Exit: (230) [system] peek_char((0x558d99e6bec0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_220398, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_221330, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x558d99e6bec0), d)
   Exit: (230) [system] get_char((0x558d99e6bec0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _228680)
   Call: (231) [system] peek_char((0x558d99e6bec0), _229614)
   Exit: (231) [system] peek_char((0x558d99e6bec0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_234334, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_235266, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x558d99e6bec0), u)
   Exit: (231) [system] get_char((0x558d99e6bec0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _242616)
   Call: (232) [system] peek_char((0x558d99e6bec0), _243550)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_248270, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_249202, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _256552)
   Call: (233) [system] peek_char((0x558d99e6bec0), _257486)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_262206, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_263138, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _270488)
   Call: (234) [system] peek_char((0x558d99e6bec0), _271422)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_276142, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_277074, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _284424)
   Call: (235) [system] peek_char((0x558d99e6bec0), _285358)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_290078, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_291010, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _298360)
   Call: (236) [system] peek_char((0x558d99e6bec0), _299294)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_304014, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_304946, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _312296)
   Call: (237) [system] peek_char((0x558d99e6bec0), _313230)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _312296=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (236) [system] _298360=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (235) [system] _284424=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (234) [system] _270488=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (233) [system] _256552=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (232) [system] _242616=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (231) [system] _228680=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (230) [system] _214744=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (229) [system] _200808=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _186872=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _172936=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _159000=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _145064=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _131128=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _117192=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _103256=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _89320=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _75384=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _61448=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _47512=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _33576=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _19640=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _5704=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5168)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_384008, _384010), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5168), _383984, fail)), '$restore_trace'(_384008, _384010))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_384008, _384010))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5168), _383984, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_5168)
   Fail: (215) [system] atomic(_5168)
   Call: (215) [system] atom_chars(_5168, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _393384)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _395242)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _402980)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _405684)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _420762)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _426332)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _428190)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _442344)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, _426332)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _459986)
   Call: (216) [system] peek_char((0x558d99e6bec0), _460920)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _459986=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq(a, [], _426332)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_470230, _470232), once(user:catch(read_from_chars([a], _426332), _470206, fail)), '$restore_trace'(_470230, _470232))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_470230, _470232))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _470206, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _477730)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _479588)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _487326)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _490030)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _505108)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
   Call: (214) [system] c=')'
   Fail: (214) [system] c=')'
   Call: (214) [system] c=end_of_file
   Fail: (214) [system] c=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _510678)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _512536)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(;)
   Fail: (216) [system] c=(;)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Fail: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Fail: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
   Fail: (217) [system] char_type(c, cntrl)
^  Fail: (216) [user] is_like_space(c)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _526690)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c='('
   Fail: (215) [system] c='('
   Call: (215) [system] c='['
   Fail: (215) [system] c='['
   Call: (215) [system] c='{'
   Fail: (215) [system] c='{'
   Call: (215) [system] c='"'
   Fail: (215) [system] c='"'
   Call: (215) [system] c=!
   Fail: (215) [system] c=!
   Call: (215) [system] c='\''
   Fail: (215) [system] c='\''
   Call: (215) [system] c='`'
   Fail: (215) [system] c='`'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), c, _510678)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _544332)
   Call: (217) [system] peek_char((0x558d99e6bec0), _545266)
   Exit: (217) [system] peek_char((0x558d99e6bec0), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Fail: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_549986, v('(', ')', end_of_file), d)
   Fail: (218) [system] arg(_550918, v('(', ')', end_of_file), d)
^  Fail: (217) [user] is_delimiter(d)
   Call: (217) [system] ')'==d
   Fail: (217) [system] ')'==d
   Call: (217) [system] get_char((0x558d99e6bec0), d)
   Exit: (217) [system] get_char((0x558d99e6bec0), d)
   Call: (217) [system] d=(\)
   Fail: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _558268)
   Call: (218) [system] peek_char((0x558d99e6bec0), _559202)
   Exit: (218) [system] peek_char((0x558d99e6bec0), e)
^  Call: (218) [user] is_delimiter(e)
   Call: (219) [system] char_type(e, space)
   Fail: (219) [system] char_type(e, space)
   Call: (219) [system] arg(_563922, v('(', ')', end_of_file), e)
   Fail: (219) [system] arg(_564854, v('(', ')', end_of_file), e)
^  Fail: (218) [user] is_delimiter(e)
   Call: (218) [system] ')'==e
   Fail: (218) [system] ')'==e
   Call: (218) [system] get_char((0x558d99e6bec0), e)
   Exit: (218) [system] get_char((0x558d99e6bec0), e)
   Call: (218) [system] e=(\)
   Fail: (218) [system] e=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _572204)
   Call: (219) [system] peek_char((0x558d99e6bec0), _573138)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_577858, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _572204=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _558268=[e]
   Exit: (218) [system] [e]=[e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (217) [system] _544332=[d, e]
   Exit: (217) [system] [d, e]=[d, e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (216) [user] classify_and_convert_charseq(c, [d, e], _510678)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_589908, _589910), once(user:catch(read_from_chars([c, d, e], _510678), _589884, fail)), '$restore_trace'(_589908, _589910))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_589908, _589910))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _589884, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(cde)
   Exit: (217) [system] atomic(cde)
^  Exit: (216) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _597408)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _599266)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _613420)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _617210)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _597408=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _477730=[cde]
   Exit: (214) [system] [cde]=[cde]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (213) [system] _393384=[a, cde]
   Exit: (213) [system] [a, cde]=[a, cde]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [a, cde])
   Call: (212) [system] _5162=['DisjunctionIntroduction', a, cde]
   Exit: (212) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _631092)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _632950)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _647104)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _650894)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _631092=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _5158=[['DisjunctionIntroduction', a, cde]]
   Exit: (210) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, cde]])
   Call: (209) [system] _5152=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (209) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (208) [system] _5144=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _664776)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _666634)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _674372)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _677076)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _692154)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _697724)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _699582)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _713736)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _697724)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _719306)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=(;)
   Fail: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Fail: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Fail: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Fail: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
   Fail: (211) [system] char_type('O', cntrl)
^  Fail: (210) [user] is_like_space('O')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _733460)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (209) [system] 'O'=')'
   Fail: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
   Fail: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _739030)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _740888)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _755042)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'='('
   Fail: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Fail: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Fail: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Fail: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Fail: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Fail: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Fail: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _739030)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _772684)
   Call: (212) [system] peek_char((0x558d99e6bec0), _773618)
   Exit: (212) [system] peek_char((0x558d99e6bec0), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Fail: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_778338, v('(', ')', end_of_file), r)
   Fail: (213) [system] arg(_779270, v('(', ')', end_of_file), r)
^  Fail: (212) [user] is_delimiter(r)
   Call: (212) [system] ')'==r
   Fail: (212) [system] ')'==r
   Call: (212) [system] get_char((0x558d99e6bec0), r)
   Exit: (212) [system] get_char((0x558d99e6bec0), r)
   Call: (212) [system] r=(\)
   Fail: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _786620)
   Call: (213) [system] peek_char((0x558d99e6bec0), _787554)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Fail: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_792274, v('(', ')', end_of_file), 'L')
   Fail: (214) [system] arg(_793206, v('(', ')', end_of_file), 'L')
^  Fail: (213) [user] is_delimiter('L')
   Call: (213) [system] ')'=='L'
   Fail: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (213) [system] get_char((0x558d99e6bec0), 'L')
   Call: (213) [system] 'L'=(\)
   Fail: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _800556)
   Call: (214) [system] peek_char((0x558d99e6bec0), _801490)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_806210, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_807142, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _814492)
   Call: (215) [system] peek_char((0x558d99e6bec0), _815426)
   Exit: (215) [system] peek_char((0x558d99e6bec0), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Fail: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_820146, v('(', ')', end_of_file), n)
   Fail: (216) [system] arg(_821078, v('(', ')', end_of_file), n)
^  Fail: (215) [user] is_delimiter(n)
   Call: (215) [system] ')'==n
   Fail: (215) [system] ')'==n
   Call: (215) [system] get_char((0x558d99e6bec0), n)
   Exit: (215) [system] get_char((0x558d99e6bec0), n)
   Call: (215) [system] n=(\)
   Fail: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _828428)
   Call: (216) [system] peek_char((0x558d99e6bec0), _829362)
   Exit: (216) [system] peek_char((0x558d99e6bec0), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Fail: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_834082, v('(', ')', end_of_file), k)
   Fail: (217) [system] arg(_835014, v('(', ')', end_of_file), k)
^  Fail: (216) [user] is_delimiter(k)
   Call: (216) [system] ')'==k
   Fail: (216) [system] ')'==k
   Call: (216) [system] get_char((0x558d99e6bec0), k)
   Exit: (216) [system] get_char((0x558d99e6bec0), k)
   Call: (216) [system] k=(\)
   Fail: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _842364)
   Call: (217) [system] peek_char((0x558d99e6bec0), _843298)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _842364=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _828428=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (215) [system] _814492=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (214) [system] _800556=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (213) [system] _786620=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (212) [system] _772684=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _739030)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_866578, _866580), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _739030), _866554, fail)), '$restore_trace'(_866578, _866580))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_866578, _866580))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _739030), _866554, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_739030)
   Fail: (212) [system] atomic(_739030)
   Call: (212) [system] atom_chars(_739030, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _875954)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _877812)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _885550)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _888254)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _903332)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _908902)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _910760)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _924914)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _908902)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _930484)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=(;)
   Fail: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Fail: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Fail: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Fail: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
   Fail: (214) [system] char_type('I', cntrl)
^  Fail: (213) [user] is_like_space('I')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _944638)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (212) [system] 'I'=')'
   Fail: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
   Fail: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _950208)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _952066)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _966220)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'='('
   Fail: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Fail: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Fail: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Fail: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Fail: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Fail: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Fail: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _950208)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _983862)
   Call: (215) [system] peek_char((0x558d99e6bec0), _984796)
   Exit: (215) [system] peek_char((0x558d99e6bec0), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Fail: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_989516, v('(', ')', end_of_file), m)
   Fail: (216) [system] arg(_990448, v('(', ')', end_of_file), m)
^  Fail: (215) [user] is_delimiter(m)
   Call: (215) [system] ')'==m
   Fail: (215) [system] ')'==m
   Call: (215) [system] get_char((0x558d99e6bec0), m)
   Exit: (215) [system] get_char((0x558d99e6bec0), m)
   Call: (215) [system] m=(\)
   Fail: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _997798)
   Call: (216) [system] peek_char((0x558d99e6bec0), _998732)
   Exit: (216) [system] peek_char((0x558d99e6bec0), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Fail: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1003452, v('(', ')', end_of_file), p)
   Fail: (217) [system] arg(_1004384, v('(', ')', end_of_file), p)
^  Fail: (216) [user] is_delimiter(p)
   Call: (216) [system] ')'==p
   Fail: (216) [system] ')'==p
   Call: (216) [system] get_char((0x558d99e6bec0), p)
   Exit: (216) [system] get_char((0x558d99e6bec0), p)
   Call: (216) [system] p=(\)
   Fail: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1011734)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1012668)
   Exit: (217) [system] peek_char((0x558d99e6bec0), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Fail: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1017388, v('(', ')', end_of_file), l)
   Fail: (218) [system] arg(_1018320, v('(', ')', end_of_file), l)
^  Fail: (217) [user] is_delimiter(l)
   Call: (217) [system] ')'==l
   Fail: (217) [system] ')'==l
   Call: (217) [system] get_char((0x558d99e6bec0), l)
   Exit: (217) [system] get_char((0x558d99e6bec0), l)
   Call: (217) [system] l=(\)
   Fail: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1025670)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1026604)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1031324, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1032256, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039606)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1040540)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1045260, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_1046192, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053542)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1054476)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1059196, v('(', ')', end_of_file), a)
   Fail: (221) [system] arg(_1060128, v('(', ')', end_of_file), a)
^  Fail: (220) [user] is_delimiter(a)
   Call: (220) [system] ')'==a
   Fail: (220) [system] ')'==a
   Call: (220) [system] get_char((0x558d99e6bec0), a)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(\)
   Fail: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1067478)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1068412)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1073132, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_1074064, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1081414)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1082348)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1087068, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1088000, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1095350)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1096284)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1101004, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_1101936, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1109286)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1110220)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1114940, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1115872, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1123222)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1124156)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1123222=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1109286=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (223) [system] _1095350=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (222) [system] _1081414=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (221) [system] _1067478=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (220) [system] _1053542=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (219) [system] _1039606=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (218) [system] _1025670=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (217) [system] _1011734=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _997798=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _983862=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _950208)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1161406, _1161408), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _950208), _1161382, fail)), '$restore_trace'(_1161406, _1161408))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1161406, _1161408))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _950208), _1161382, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_950208)
   Fail: (215) [system] atomic(_950208)
   Call: (215) [system] atom_chars(_950208, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1170782)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1172640)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1180378)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1183082)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1198160)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1203730)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1205588)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1219742)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1203730)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1225312)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=(;)
   Fail: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Fail: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Fail: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Fail: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
   Fail: (217) [system] char_type('A', cntrl)
^  Fail: (216) [user] is_like_space('A')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1239466)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (215) [system] 'A'=')'
   Fail: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
   Fail: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1245036)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1246894)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1261048)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'='('
   Fail: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Fail: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Fail: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Fail: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Fail: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Fail: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Fail: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1245036)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1278690)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1279624)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1284344, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1285276, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1292626)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1293560)
   Exit: (219) [system] peek_char((0x558d99e6bec0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1298280, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1299212, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x558d99e6bec0), d)
   Exit: (219) [system] get_char((0x558d99e6bec0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1306562)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1307496)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1312216, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1313148, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1320498)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1321432)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1326152, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1327084, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334434)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1335368)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1340088, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1341020, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348370)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1349304)
   Exit: (223) [system] peek_char((0x558d99e6bec0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1354024, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1354956, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x558d99e6bec0), k)
   Exit: (223) [system] get_char((0x558d99e6bec0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362306)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1363240)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1362306=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1348370=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (222) [system] _1334434=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (221) [system] _1320498=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (220) [system] _1306562=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (219) [system] _1292626=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (218) [system] _1278690=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1245036)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1389314, _1389316), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1245036), _1389290, fail)), '$restore_trace'(_1389314, _1389316))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1389314, _1389316))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1245036), _1389290, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1245036)
   Fail: (218) [system] atomic(_1245036)
   Call: (218) [system] atom_chars(_1245036, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1398690)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1400548)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1408286)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1410990)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1426068)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1431638)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1433496)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1447650)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1431638)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1465292)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1466226)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1465292=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('A', [], _1431638)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1475536, _1475538), once(user:catch(read_from_chars(['A'], _1431638), _1475512, fail)), '$restore_trace'(_1475536, _1475538))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1475536, _1475538))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1431638), _1475512, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1431638)
   Fail: (219) [system] atomic(_1431638)
   Call: (219) [system] atom_chars(_1431638, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1484912)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1486770)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1494508)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1497212)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1512290)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=')'
   Fail: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
   Fail: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1517860)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1519718)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'=(;)
   Fail: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Fail: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Fail: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Fail: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
   Fail: (220) [system] char_type('B', cntrl)
^  Fail: (219) [user] is_like_space('B')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1533872)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'='('
   Fail: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Fail: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Fail: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Fail: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Fail: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Fail: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Fail: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1517860)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1551514)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1552448)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1557168, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1551514=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('B', [], _1517860)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1563630, _1563632), once(user:catch(read_from_chars(['B'], _1517860), _1563606, fail)), '$restore_trace'(_1563630, _1563632))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1563630, _1563632))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1517860), _1563606, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1517860)
   Fail: (220) [system] atomic(_1517860)
   Call: (220) [system] atom_chars(_1517860, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1573006)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1574864)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1589018)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _1592808)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _1573006=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1484912=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (216) [system] _1398690=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (215) [system] _1203730=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1606690)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1608548)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1616286)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1618990)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1634068)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (214) [system] 'C'=')'
   Fail: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
   Fail: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1639638)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1641496)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'=(;)
   Fail: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Fail: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Fail: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Fail: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
   Fail: (217) [system] char_type('C', cntrl)
^  Fail: (216) [user] is_like_space('C')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1655650)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'='('
   Fail: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Fail: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Fail: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Fail: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Fail: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Fail: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Fail: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1639638)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1673292)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1674226)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1678946, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1673292=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('C', [], _1639638)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1685408, _1685410), once(user:catch(read_from_chars(['C'], _1639638), _1685384, fail)), '$restore_trace'(_1685408, _1685410))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1685408, _1685410))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1639638), _1685384, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1639638)
   Fail: (217) [system] atomic(_1639638)
   Call: (217) [system] atom_chars(_1639638, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1694784)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1696642)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1710796)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1714586)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1694784=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1606690=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (213) [system] _1170782=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _908902=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1728468)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1730326)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1738064)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1740768)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1755846)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1761416)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1763274)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1777428)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1761416)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1782998)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1797152)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1802722)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1804580)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1818734)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1802722)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1836376)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1837310)
   Exit: (216) [system] peek_char((0x558d99e6bec0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1842030, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1842962, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x558d99e6bec0), r)
   Exit: (216) [system] get_char((0x558d99e6bec0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1850312)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1851246)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1855966, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1856898, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (217) [system] get_char((0x558d99e6bec0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1864248)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1865182)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1869902, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1870834, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1878184)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1879118)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1883838, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1884770, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1892120)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1893054)
   Exit: (220) [system] peek_char((0x558d99e6bec0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1897774, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1898706, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x558d99e6bec0), k)
   Exit: (220) [system] get_char((0x558d99e6bec0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1906056)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1906990)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1906056=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1892120=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (219) [system] _1878184=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (218) [system] _1864248=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (217) [system] _1850312=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (216) [system] _1836376=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1802722)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1930270, _1930272), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1802722), _1930246, fail)), '$restore_trace'(_1930270, _1930272))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1930270, _1930272))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1802722), _1930246, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1802722)
   Fail: (216) [system] atomic(_1802722)
   Call: (216) [system] atom_chars(_1802722, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1939646)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1941504)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1949242)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1951946)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1967024)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (214) [system] 'B'=')'
   Fail: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
   Fail: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1972594)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1974452)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'=(;)
   Fail: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Fail: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Fail: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Fail: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
   Fail: (217) [system] char_type('B', cntrl)
^  Fail: (216) [user] is_like_space('B')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1988606)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'='('
   Fail: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Fail: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Fail: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Fail: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Fail: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Fail: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Fail: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1972594)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2006248)
   Call: (217) [system] peek_char((0x558d99e6bec0), _2007182)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _2006248=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _1972594)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_2016492, _2016494), once(user:catch(read_from_chars(['B'], _1972594), _2016468, fail)), '$restore_trace'(_2016492, _2016494))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_2016492, _2016494))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1972594), _2016468, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1972594)
   Fail: (217) [system] atomic(_1972594)
   Call: (217) [system] atom_chars(_1972594, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _2025868)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _2027726)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _2035464)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2038168)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _2053246)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _2058816)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2060674)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _2074828)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _2058816)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2080398)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2094552)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _8628)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _10486)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _24640)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _8628)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _42282)
   Call: (220) [system] peek_char((0x558d99e6bec0), _43216)
   Exit: (220) [system] peek_char((0x558d99e6bec0), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_47936, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_48868, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x558d99e6bec0), m)
   Exit: (220) [system] get_char((0x558d99e6bec0), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _56218)
   Call: (221) [system] peek_char((0x558d99e6bec0), _57152)
   Exit: (221) [system] peek_char((0x558d99e6bec0), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_61872, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_62804, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x558d99e6bec0), p)
   Exit: (221) [system] get_char((0x558d99e6bec0), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _70154)
   Call: (222) [system] peek_char((0x558d99e6bec0), _71088)
   Exit: (222) [system] peek_char((0x558d99e6bec0), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_75808, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_76740, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x558d99e6bec0), l)
   Exit: (222) [system] get_char((0x558d99e6bec0), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _84090)
   Call: (223) [system] peek_char((0x558d99e6bec0), _85024)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_89744, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_90676, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _98026)
   Call: (224) [system] peek_char((0x558d99e6bec0), _98960)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_103680, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_104612, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _111962)
   Call: (225) [system] peek_char((0x558d99e6bec0), _112896)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_117616, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_118548, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x558d99e6bec0), a)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _125898)
   Call: (226) [system] peek_char((0x558d99e6bec0), _126832)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_131552, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_132484, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _139834)
   Call: (227) [system] peek_char((0x558d99e6bec0), _140768)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_145488, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_146420, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _153770)
   Call: (228) [system] peek_char((0x558d99e6bec0), _154704)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_159424, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_160356, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _167706)
   Call: (229) [system] peek_char((0x558d99e6bec0), _168640)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_173360, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_174292, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _181642)
   Call: (230) [system] peek_char((0x558d99e6bec0), _182576)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _181642=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _167706=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (228) [system] _153770=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (227) [system] _139834=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (226) [system] _125898=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (225) [system] _111962=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (224) [system] _98026=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (223) [system] _84090=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (222) [system] _70154=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _56218=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _42282=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _8628)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_219826, _219828), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _8628), _219802, fail)), '$restore_trace'(_219826, _219828))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_219826, _219828))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _8628), _219802, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_8628)
   Fail: (220) [system] atomic(_8628)
   Call: (220) [system] atom_chars(_8628, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _229202)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _231060)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _238798)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _241502)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _256580)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _262150)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _264008)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _278162)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _262150)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _283732)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _297886)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _303456)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _305314)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _319468)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _303456)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _337110)
   Call: (223) [system] peek_char((0x558d99e6bec0), _338044)
   Exit: (223) [system] peek_char((0x558d99e6bec0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_342764, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_343696, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x558d99e6bec0), r)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _351046)
   Call: (224) [system] peek_char((0x558d99e6bec0), _351980)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_356700, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_357632, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _364982)
   Call: (225) [system] peek_char((0x558d99e6bec0), _365916)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_370636, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_371568, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _378918)
   Call: (226) [system] peek_char((0x558d99e6bec0), _379852)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_384572, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_385504, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _392854)
   Call: (227) [system] peek_char((0x558d99e6bec0), _393788)
   Exit: (227) [system] peek_char((0x558d99e6bec0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_398508, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_399440, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x558d99e6bec0), k)
   Exit: (227) [system] get_char((0x558d99e6bec0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _406790)
   Call: (228) [system] peek_char((0x558d99e6bec0), _407724)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _406790=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _392854=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (226) [system] _378918=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (225) [system] _364982=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (224) [system] _351046=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (223) [system] _337110=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _303456)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_431004, _431006), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _303456), _430980, fail)), '$restore_trace'(_431004, _431006))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_431004, _431006))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _303456), _430980, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_303456)
   Fail: (223) [system] atomic(_303456)
   Call: (223) [system] atom_chars(_303456, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _440380)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _442238)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _449976)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _452680)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _467758)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _473328)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _475186)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _489340)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _473328)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _506982)
   Call: (224) [system] peek_char((0x558d99e6bec0), _507916)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _506982=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _473328)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_517226, _517228), once(user:catch(read_from_chars(['C'], _473328), _517202, fail)), '$restore_trace'(_517226, _517228))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_517226, _517228))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _473328), _517202, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_473328)
   Fail: (224) [system] atomic(_473328)
   Call: (224) [system] atom_chars(_473328, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _526602)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _528460)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _536198)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _538902)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _553980)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'=')'
   Fail: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _559550)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _561408)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'=(;)
   Fail: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Fail: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Fail: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Fail: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
   Fail: (225) [system] char_type('D', cntrl)
^  Fail: (224) [user] is_like_space('D')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _575562)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'='('
   Fail: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Fail: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Fail: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Fail: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Fail: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Fail: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Fail: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _559550)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _593204)
   Call: (225) [system] peek_char((0x558d99e6bec0), _594138)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_598858, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _593204=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('D', [], _559550)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_605320, _605322), once(user:catch(read_from_chars(['D'], _559550), _605296, fail)), '$restore_trace'(_605320, _605322))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_605320, _605322))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _559550), _605296, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_559550)
   Fail: (225) [system] atomic(_559550)
   Call: (225) [system] atom_chars(_559550, ['D'])
   Exit: (225) [system] atom_chars('D', ['D'])
^  Exit: (224) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _614696)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _616554)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _630708)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _634498)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _614696=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _526602=['D']
   Exit: (222) [system] ['D']=['D']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (221) [system] _440380=['C', 'D']
   Exit: (221) [system] ['C', 'D']=['C', 'D']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (220) [system] _262150=['OrLink', 'C', 'D']
   Exit: (220) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _648380)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _650238)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _657976)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _660680)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _675758)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (219) [system] 'E'=')'
   Fail: (219) [system] 'E'=')'
   Call: (219) [system] 'E'=end_of_file
   Fail: (219) [system] 'E'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _681328)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _683186)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (221) [system] 'E'=(;)
   Fail: (221) [system] 'E'=(;)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Fail: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Fail: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Fail: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
   Fail: (222) [system] char_type('E', cntrl)
^  Fail: (221) [user] is_like_space('E')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _697340)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'E')
   Call: (220) [system] 'E'='('
   Fail: (220) [system] 'E'='('
   Call: (220) [system] 'E'='['
   Fail: (220) [system] 'E'='['
   Call: (220) [system] 'E'='{'
   Fail: (220) [system] 'E'='{'
   Call: (220) [system] 'E'='"'
   Fail: (220) [system] 'E'='"'
   Call: (220) [system] 'E'=!
   Fail: (220) [system] 'E'=!
   Call: (220) [system] 'E'='\''
   Fail: (220) [system] 'E'='\''
   Call: (220) [system] 'E'='`'
   Fail: (220) [system] 'E'='`'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _681328)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _714982)
   Call: (222) [system] peek_char((0x558d99e6bec0), _715916)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_720636, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _714982=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('E', [], _681328)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_727098, _727100), once(user:catch(read_from_chars(['E'], _681328), _727074, fail)), '$restore_trace'(_727098, _727100))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_727098, _727100))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _681328), _727074, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_681328)
   Fail: (222) [system] atomic(_681328)
   Call: (222) [system] atom_chars(_681328, ['E'])
   Exit: (222) [system] atom_chars('E', ['E'])
^  Exit: (221) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _736474)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _738332)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _752486)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _756276)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _736474=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _648380=['E']
   Exit: (219) [system] ['E']=['E']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (218) [system] _229202=[['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (217) [system] _5258=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _770158)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _772016)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _786170)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _789960)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _770158=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _5254=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (215) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (214) [system] _5248=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _5240=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _803842)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _805700)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _819854)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _823644)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _803842=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _5236=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (211) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (210) [system] _5194=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _5186=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _837526)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _839384)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=(;)
   Fail: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Fail: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Fail: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Fail: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
   Fail: (210) [system] char_type(')', cntrl)
^  Fail: (209) [user] is_like_space(')')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _853538)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x558d99e6bec0), _857328)
   Exit: (208) [system] get_char((0x558d99e6bec0), ')')
   Call: (208) [system] _837526=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (207) [system] _5182=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (206) [system] _5140=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (205) [system] _5132=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (205) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (204) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (203) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (203) [user] read_list(')', (0x558d99e6bec0), _871210)
^  Call: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _873068)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (205) [system] '\n'=(;)
   Fail: (205) [system] '\n'=(;)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Fail: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x558d99e6bec0), _882662)
   Exit: (205) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _885366)
   Exit: (206) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (206) [system] ' '=(;)
   Fail: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x558d99e6bec0), _893104)
   Exit: (206) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _895808)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (204) [user] skip_spaces((0x558d99e6bec0))
   Call: (204) [system] peek_char((0x558d99e6bec0), _911810)
   Exit: (204) [system] peek_char((0x558d99e6bec0), '(')
   Call: (204) [system] '('=')'
   Fail: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
   Fail: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x558d99e6bec0), _917380)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _919238)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=(;)
   Fail: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Fail: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Fail: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Fail: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
   Fail: (207) [system] char_type('(', cntrl)
^  Fail: (206) [user] is_like_space('(')
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] get_char((0x558d99e6bec0), _933392)
   Exit: (205) [system] get_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _917380)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _938962)
   Exit: (207) [system] peek_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)=(;)
   Fail: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Fail: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Fail: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Fail: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
   Fail: (208) [system] char_type(:, cntrl)
^  Fail: (207) [user] is_like_space(:)
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _953116)
   Exit: (206) [system] peek_char((0x558d99e6bec0), :)
   Call: (206) [system] (:)=')'
   Fail: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
   Fail: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _958686)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _960544)
   Exit: (208) [system] peek_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _974698)
   Exit: (207) [system] get_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)='('
   Fail: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Fail: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Fail: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Fail: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Fail: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Fail: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Fail: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x558d99e6bec0), :, _958686)
^  Call: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), _992340)
   Call: (209) [system] peek_char((0x558d99e6bec0), _993274)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _992340=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (208) [user] classify_and_convert_charseq(:, [], _958686)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1002584, _1002586), once(user:catch(read_from_chars([:], _958686), _1002560, fail)), '$restore_trace'(_1002584, _1002586))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1002584, _1002586))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1002560, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (207) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1010084)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1011942)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _1019680)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1022384)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1037462)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1043032)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1044890)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1059044)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1043032)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1064614)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=(;)
   Fail: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Fail: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Fail: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Fail: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
   Fail: (211) [system] char_type('D', cntrl)
^  Fail: (210) [user] is_like_space('D')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1078768)
   Exit: (209) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (209) [system] 'D'=')'
   Fail: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
   Fail: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1084338)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1086196)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1100350)
   Exit: (210) [system] get_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'='('
   Fail: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Fail: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Fail: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Fail: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Fail: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Fail: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Fail: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1084338)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1117992)
   Call: (212) [system] peek_char((0x558d99e6bec0), _1118926)
   Exit: (212) [system] peek_char((0x558d99e6bec0), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Fail: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1123646, v('(', ')', end_of_file), i)
   Fail: (213) [system] arg(_1124578, v('(', ')', end_of_file), i)
^  Fail: (212) [user] is_delimiter(i)
   Call: (212) [system] ')'==i
   Fail: (212) [system] ')'==i
   Call: (212) [system] get_char((0x558d99e6bec0), i)
   Exit: (212) [system] get_char((0x558d99e6bec0), i)
   Call: (212) [system] i=(\)
   Fail: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1131928)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1132862)
   Exit: (213) [system] peek_char((0x558d99e6bec0), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Fail: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1137582, v('(', ')', end_of_file), s)
   Fail: (214) [system] arg(_1138514, v('(', ')', end_of_file), s)
^  Fail: (213) [user] is_delimiter(s)
   Call: (213) [system] ')'==s
   Fail: (213) [system] ')'==s
   Call: (213) [system] get_char((0x558d99e6bec0), s)
   Exit: (213) [system] get_char((0x558d99e6bec0), s)
   Call: (213) [system] s=(\)
   Fail: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1145864)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1146798)
   Exit: (214) [system] peek_char((0x558d99e6bec0), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Fail: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1151518, v('(', ')', end_of_file), j)
   Fail: (215) [system] arg(_1152450, v('(', ')', end_of_file), j)
^  Fail: (214) [user] is_delimiter(j)
   Call: (214) [system] ')'==j
   Fail: (214) [system] ')'==j
   Call: (214) [system] get_char((0x558d99e6bec0), j)
   Exit: (214) [system] get_char((0x558d99e6bec0), j)
   Call: (214) [system] j=(\)
   Fail: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1159800)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1160734)
   Exit: (215) [system] peek_char((0x558d99e6bec0), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Fail: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1165454, v('(', ')', end_of_file), u)
   Fail: (216) [system] arg(_1166386, v('(', ')', end_of_file), u)
^  Fail: (215) [user] is_delimiter(u)
   Call: (215) [system] ')'==u
   Fail: (215) [system] ')'==u
   Call: (215) [system] get_char((0x558d99e6bec0), u)
   Exit: (215) [system] get_char((0x558d99e6bec0), u)
   Call: (215) [system] u=(\)
   Fail: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1173736)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1174670)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1179390, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_1180322, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1187672)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1188606)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1193326, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_1194258, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x558d99e6bec0), c)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1201608)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1202542)
   Exit: (218) [system] peek_char((0x558d99e6bec0), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Fail: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1207262, v('(', ')', end_of_file), t)
   Fail: (219) [system] arg(_1208194, v('(', ')', end_of_file), t)
^  Fail: (218) [user] is_delimiter(t)
   Call: (218) [system] ')'==t
   Fail: (218) [system] ')'==t
   Call: (218) [system] get_char((0x558d99e6bec0), t)
   Exit: (218) [system] get_char((0x558d99e6bec0), t)
   Call: (218) [system] t=(\)
   Fail: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1215544)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1216478)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1221198, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1222130, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1229480)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1230414)
   Exit: (220) [system] peek_char((0x558d99e6bec0), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Fail: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1235134, v('(', ')', end_of_file), o)
   Fail: (221) [system] arg(_1236066, v('(', ')', end_of_file), o)
^  Fail: (220) [user] is_delimiter(o)
   Call: (220) [system] ')'==o
   Fail: (220) [system] ')'==o
   Call: (220) [system] get_char((0x558d99e6bec0), o)
   Exit: (220) [system] get_char((0x558d99e6bec0), o)
   Call: (220) [system] o=(\)
   Fail: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1243416)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1244350)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1249070, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1250002, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1257352)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1258286)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1263006, v('(', ')', end_of_file), 'I')
   Fail: (223) [system] arg(_1263938, v('(', ')', end_of_file), 'I')
^  Fail: (222) [user] is_delimiter('I')
   Call: (222) [system] ')'=='I'
   Fail: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(\)
   Fail: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1271288)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1272222)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1276942, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_1277874, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1285224)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1286158)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1290878, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1291810, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1299160)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1300094)
   Exit: (225) [system] peek_char((0x558d99e6bec0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1304814, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1305746, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x558d99e6bec0), r)
   Exit: (225) [system] get_char((0x558d99e6bec0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1313096)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1314030)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1318750, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1319682, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1327032)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1327966)
   Exit: (227) [system] peek_char((0x558d99e6bec0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1332686, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_1333618, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x558d99e6bec0), d)
   Exit: (227) [system] get_char((0x558d99e6bec0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1340968)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1341902)
   Exit: (228) [system] peek_char((0x558d99e6bec0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1346622, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1347554, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x558d99e6bec0), u)
   Exit: (228) [system] get_char((0x558d99e6bec0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1354904)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1355838)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1360558, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1361490, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x558d99e6bec0), c)
   Exit: (229) [system] get_char((0x558d99e6bec0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1368840)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1369774)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1374494, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1375426, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1382776)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1383710)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1388430, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1389362, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1396712)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1397646)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1402366, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1403298, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1410648)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1411582)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1416302, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1417234, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1424584)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1425518)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1424584=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _1410648=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _1396712=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _1382776=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _1368840=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _1354904=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (228) [system] _1340968=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (227) [system] _1327032=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (226) [system] _1313096=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1299160=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1285224=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1271288=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1257352=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1243416=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1229480=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1215544=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1201608=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1187672=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1173736=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1159800=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1145864=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1131928=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1117992=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1084338)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1496296, _1496298), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1084338), _1496272, fail)), '$restore_trace'(_1496296, _1496298))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1496296, _1496298))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1084338), _1496272, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1084338)
   Fail: (212) [system] atomic(_1084338)
   Call: (212) [system] atom_chars(_1084338, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1505672)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1507530)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1515268)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1517972)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1533050)
   Exit: (210) [system] peek_char((0x558d99e6bec0), a)
   Call: (210) [system] a=')'
   Fail: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
   Fail: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1538620)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1540478)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=(;)
   Fail: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Fail: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Fail: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Fail: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
   Fail: (213) [system] char_type(a, cntrl)
^  Fail: (212) [user] is_like_space(a)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1554632)
   Exit: (211) [system] get_char((0x558d99e6bec0), a)
   Call: (211) [system] a='('
   Fail: (211) [system] a='('
   Call: (211) [system] a='['
   Fail: (211) [system] a='['
   Call: (211) [system] a='{'
   Fail: (211) [system] a='{'
   Call: (211) [system] a='"'
   Fail: (211) [system] a='"'
   Call: (211) [system] a=!
   Fail: (211) [system] a=!
   Call: (211) [system] a='\''
   Fail: (211) [system] a='\''
   Call: (211) [system] a='`'
   Fail: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, _1538620)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1572274)
   Call: (213) [system] peek_char((0x558d99e6bec0), _1573208)
   Exit: (213) [system] peek_char((0x558d99e6bec0), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Fail: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_1577928, v('(', ')', end_of_file), b)
   Fail: (214) [system] arg(_1578860, v('(', ')', end_of_file), b)
^  Fail: (213) [user] is_delimiter(b)
   Call: (213) [system] ')'==b
   Fail: (213) [system] ')'==b
   Call: (213) [system] get_char((0x558d99e6bec0), b)
   Exit: (213) [system] get_char((0x558d99e6bec0), b)
   Call: (213) [system] b=(\)
   Fail: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1586210)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1587144)
   Exit: (214) [system] peek_char((0x558d99e6bec0), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Fail: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1591864, v('(', ')', end_of_file), c)
   Fail: (215) [system] arg(_1592796, v('(', ')', end_of_file), c)
^  Fail: (214) [user] is_delimiter(c)
   Call: (214) [system] ')'==c
   Fail: (214) [system] ')'==c
   Call: (214) [system] get_char((0x558d99e6bec0), c)
   Exit: (214) [system] get_char((0x558d99e6bec0), c)
   Call: (214) [system] c=(\)
   Fail: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1600146)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1601080)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1600146=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (214) [system] _1586210=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (213) [system] _1572274=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (212) [user] classify_and_convert_charseq(a, [b, c], _1538620)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1615978, _1615980), once(user:catch(read_from_chars([a, b, c], _1538620), _1615954, fail)), '$restore_trace'(_1615978, _1615980))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1615978, _1615980))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1615954, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1623478)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1625336)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1633074)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1635778)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1650856)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1656426)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1658284)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1672438)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1656426)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1678008)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1692162)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1697732)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1699590)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1713744)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1697732)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1731386)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1732320)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1737040, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1737972, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1745322)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1746256)
   Exit: (217) [system] peek_char((0x558d99e6bec0), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_1750976, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_1751908, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x558d99e6bec0), s)
   Exit: (217) [system] get_char((0x558d99e6bec0), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1759258)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1760192)
   Exit: (218) [system] peek_char((0x558d99e6bec0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_1764912, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_1765844, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x558d99e6bec0), j)
   Exit: (218) [system] get_char((0x558d99e6bec0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1773194)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1774128)
   Exit: (219) [system] peek_char((0x558d99e6bec0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1778848, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_1779780, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x558d99e6bec0), u)
   Exit: (219) [system] get_char((0x558d99e6bec0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1787130)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1788064)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1792784, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1793716, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1801066)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1802000)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1806720, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1807652, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1815002)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1815936)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1820656, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_1821588, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1828938)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1829872)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1834592, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1835524, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842874)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1843808)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1848528, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_1849460, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856810)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1857744)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1862464, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1863396, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1870746)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1871680)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_1876400, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_1877332, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1884682)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1885616)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1890336, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1891268, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1898618)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1899552)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1904272, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1905204, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1912554)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1913488)
   Exit: (229) [system] peek_char((0x558d99e6bec0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1918208, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_1919140, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x558d99e6bec0), r)
   Exit: (229) [system] get_char((0x558d99e6bec0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1926490)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1927424)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1932144, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1933076, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1940426)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1941360)
   Exit: (231) [system] peek_char((0x558d99e6bec0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1946080, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_1947012, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x558d99e6bec0), d)
   Exit: (231) [system] get_char((0x558d99e6bec0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1954362)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1955296)
   Exit: (232) [system] peek_char((0x558d99e6bec0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1960016, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_1960948, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x558d99e6bec0), u)
   Exit: (232) [system] get_char((0x558d99e6bec0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1968298)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1969232)
   Exit: (233) [system] peek_char((0x558d99e6bec0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1973952, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_1974884, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x558d99e6bec0), c)
   Exit: (233) [system] get_char((0x558d99e6bec0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1982234)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1983168)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1987888, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1988820, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1996170)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1997104)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_2001824, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_2002756, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2010106)
   Call: (236) [system] peek_char((0x558d99e6bec0), _2011040)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_2015760, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_2016692, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2024042)
   Call: (237) [system] peek_char((0x558d99e6bec0), _2024976)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_2029696, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_2030628, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2037978)
   Call: (238) [system] peek_char((0x558d99e6bec0), _2038912)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _2037978=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (237) [system] _2024042=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (236) [system] _2010106=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (235) [system] _1996170=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (234) [system] _1982234=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (233) [system] _1968298=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (232) [system] _1954362=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (231) [system] _1940426=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (230) [system] _1926490=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1912554=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1898618=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1884682=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1870746=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1856810=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1842874=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1828938=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1815002=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1801066=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1787130=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5352=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5348=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5344=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _5340=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5336)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_18356, _18358), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5336), _18332, fail)), '$restore_trace'(_18356, _18358))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_18356, _18358))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5336), _18332, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_5336)
   Fail: (216) [system] atomic(_5336)
   Call: (216) [system] atom_chars(_5336, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _27732)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _29590)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _37328)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _40032)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _55110)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _60680)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _62538)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _76692)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, _60680)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _94334)
   Call: (217) [system] peek_char((0x558d99e6bec0), _95268)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _94334=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq(a, [], _60680)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_104578, _104580), once(user:catch(read_from_chars([a], _60680), _104554, fail)), '$restore_trace'(_104578, _104580))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_104578, _104580))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _104554, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _112078)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _113936)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _121674)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _124378)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _139456)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _145026)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _146884)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _161038)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, _145026)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _178680)
   Call: (218) [system] peek_char((0x558d99e6bec0), _179614)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_184334, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _178680=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq(a, [], _145026)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_190796, _190798), once(user:catch(read_from_chars([a], _145026), _190772, fail)), '$restore_trace'(_190796, _190798))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_190796, _190798))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _190772, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _198296)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _200154)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _214308)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _218098)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _198296=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _112078=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (214) [system] _27732=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (213) [system] _5330=['DisjunctionIntroduction', a, a]
   Exit: (213) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _231980)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _233838)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _247992)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _251782)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _231980=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _5326=[['DisjunctionIntroduction', a, a]]
   Exit: (211) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a]])
   Call: (210) [system] _5320=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (210) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (209) [system] _5312=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _265664)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _267522)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _275260)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _277964)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _293042)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _298612)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _300470)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _314624)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _298612)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _320194)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=(;)
   Fail: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Fail: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Fail: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Fail: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
   Fail: (212) [system] char_type('O', cntrl)
^  Fail: (211) [user] is_like_space('O')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _334348)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (210) [system] 'O'=')'
   Fail: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
   Fail: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _339918)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _341776)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _355930)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'='('
   Fail: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Fail: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Fail: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Fail: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Fail: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Fail: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Fail: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _339918)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _373572)
   Call: (213) [system] peek_char((0x558d99e6bec0), _374506)
   Exit: (213) [system] peek_char((0x558d99e6bec0), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Fail: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_379226, v('(', ')', end_of_file), r)
   Fail: (214) [system] arg(_380158, v('(', ')', end_of_file), r)
^  Fail: (213) [user] is_delimiter(r)
   Call: (213) [system] ')'==r
   Fail: (213) [system] ')'==r
   Call: (213) [system] get_char((0x558d99e6bec0), r)
   Exit: (213) [system] get_char((0x558d99e6bec0), r)
   Call: (213) [system] r=(\)
   Fail: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _387508)
   Call: (214) [system] peek_char((0x558d99e6bec0), _388442)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Fail: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_393162, v('(', ')', end_of_file), 'L')
   Fail: (215) [system] arg(_394094, v('(', ')', end_of_file), 'L')
^  Fail: (214) [user] is_delimiter('L')
   Call: (214) [system] ')'=='L'
   Fail: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (214) [system] get_char((0x558d99e6bec0), 'L')
   Call: (214) [system] 'L'=(\)
   Fail: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _401444)
   Call: (215) [system] peek_char((0x558d99e6bec0), _402378)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_407098, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_408030, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _415380)
   Call: (216) [system] peek_char((0x558d99e6bec0), _416314)
   Exit: (216) [system] peek_char((0x558d99e6bec0), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Fail: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_421034, v('(', ')', end_of_file), n)
   Fail: (217) [system] arg(_421966, v('(', ')', end_of_file), n)
^  Fail: (216) [user] is_delimiter(n)
   Call: (216) [system] ')'==n
   Fail: (216) [system] ')'==n
   Call: (216) [system] get_char((0x558d99e6bec0), n)
   Exit: (216) [system] get_char((0x558d99e6bec0), n)
   Call: (216) [system] n=(\)
   Fail: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _429316)
   Call: (217) [system] peek_char((0x558d99e6bec0), _430250)
   Exit: (217) [system] peek_char((0x558d99e6bec0), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Fail: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_434970, v('(', ')', end_of_file), k)
   Fail: (218) [system] arg(_435902, v('(', ')', end_of_file), k)
^  Fail: (217) [user] is_delimiter(k)
   Call: (217) [system] ')'==k
   Fail: (217) [system] ')'==k
   Call: (217) [system] get_char((0x558d99e6bec0), k)
   Exit: (217) [system] get_char((0x558d99e6bec0), k)
   Call: (217) [system] k=(\)
   Fail: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443252)
   Call: (218) [system] peek_char((0x558d99e6bec0), _444186)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _443252=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _429316=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (216) [system] _415380=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (215) [system] _401444=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (214) [system] _387508=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (213) [system] _373572=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _339918)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_467466, _467468), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _339918), _467442, fail)), '$restore_trace'(_467466, _467468))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_467466, _467468))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _339918), _467442, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_339918)
   Fail: (213) [system] atomic(_339918)
   Call: (213) [system] atom_chars(_339918, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _476842)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _478700)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _486438)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _489142)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _504220)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _509790)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _511648)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _525802)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _509790)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _531372)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=(;)
   Fail: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Fail: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Fail: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Fail: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
   Fail: (215) [system] char_type('I', cntrl)
^  Fail: (214) [user] is_like_space('I')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _545526)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (213) [system] 'I'=')'
   Fail: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
   Fail: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _551096)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _552954)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _567108)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'='('
   Fail: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Fail: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Fail: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Fail: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Fail: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Fail: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Fail: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _551096)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584750)
   Call: (216) [system] peek_char((0x558d99e6bec0), _585684)
   Exit: (216) [system] peek_char((0x558d99e6bec0), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Fail: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_590404, v('(', ')', end_of_file), m)
   Fail: (217) [system] arg(_591336, v('(', ')', end_of_file), m)
^  Fail: (216) [user] is_delimiter(m)
   Call: (216) [system] ')'==m
   Fail: (216) [system] ')'==m
   Call: (216) [system] get_char((0x558d99e6bec0), m)
   Exit: (216) [system] get_char((0x558d99e6bec0), m)
   Call: (216) [system] m=(\)
   Fail: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _598686)
   Call: (217) [system] peek_char((0x558d99e6bec0), _599620)
   Exit: (217) [system] peek_char((0x558d99e6bec0), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Fail: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_604340, v('(', ')', end_of_file), p)
   Fail: (218) [system] arg(_605272, v('(', ')', end_of_file), p)
^  Fail: (217) [user] is_delimiter(p)
   Call: (217) [system] ')'==p
   Fail: (217) [system] ')'==p
   Call: (217) [system] get_char((0x558d99e6bec0), p)
   Exit: (217) [system] get_char((0x558d99e6bec0), p)
   Call: (217) [system] p=(\)
   Fail: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _612622)
   Call: (218) [system] peek_char((0x558d99e6bec0), _613556)
   Exit: (218) [system] peek_char((0x558d99e6bec0), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Fail: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_618276, v('(', ')', end_of_file), l)
   Fail: (219) [system] arg(_619208, v('(', ')', end_of_file), l)
^  Fail: (218) [user] is_delimiter(l)
   Call: (218) [system] ')'==l
   Fail: (218) [system] ')'==l
   Call: (218) [system] get_char((0x558d99e6bec0), l)
   Exit: (218) [system] get_char((0x558d99e6bec0), l)
   Call: (218) [system] l=(\)
   Fail: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _626558)
   Call: (219) [system] peek_char((0x558d99e6bec0), _627492)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_632212, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_633144, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640494)
   Call: (220) [system] peek_char((0x558d99e6bec0), _641428)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_646148, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_647080, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654430)
   Call: (221) [system] peek_char((0x558d99e6bec0), _655364)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_660084, v('(', ')', end_of_file), a)
   Fail: (222) [system] arg(_661016, v('(', ')', end_of_file), a)
^  Fail: (221) [user] is_delimiter(a)
   Call: (221) [system] ')'==a
   Fail: (221) [system] ')'==a
   Call: (221) [system] get_char((0x558d99e6bec0), a)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(\)
   Fail: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _668366)
   Call: (222) [system] peek_char((0x558d99e6bec0), _669300)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_674020, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_674952, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _682302)
   Call: (223) [system] peek_char((0x558d99e6bec0), _683236)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_687956, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_688888, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _696238)
   Call: (224) [system] peek_char((0x558d99e6bec0), _697172)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_701892, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_702824, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _710174)
   Call: (225) [system] peek_char((0x558d99e6bec0), _711108)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_715828, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_716760, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _724110)
   Call: (226) [system] peek_char((0x558d99e6bec0), _725044)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _724110=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _710174=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (224) [system] _696238=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (223) [system] _682302=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (222) [system] _668366=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (221) [system] _654430=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (220) [system] _640494=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (219) [system] _626558=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (218) [system] _612622=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _598686=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _584750=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _551096)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_762294, _762296), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _551096), _762270, fail)), '$restore_trace'(_762294, _762296))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_762294, _762296))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _551096), _762270, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_551096)
   Fail: (216) [system] atomic(_551096)
   Call: (216) [system] atom_chars(_551096, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _771670)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _773528)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _781266)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _783970)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _799048)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _804618)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _806476)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _820630)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _804618)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _826200)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=(;)
   Fail: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Fail: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Fail: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Fail: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
   Fail: (218) [system] char_type('A', cntrl)
^  Fail: (217) [user] is_like_space('A')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _840354)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _845924)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _847782)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _861936)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _845924)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _879578)
   Call: (219) [system] peek_char((0x558d99e6bec0), _880512)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_885232, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_886164, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _893514)
   Call: (220) [system] peek_char((0x558d99e6bec0), _894448)
   Exit: (220) [system] peek_char((0x558d99e6bec0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_899168, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_900100, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x558d99e6bec0), d)
   Exit: (220) [system] get_char((0x558d99e6bec0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _907450)
   Call: (221) [system] peek_char((0x558d99e6bec0), _908384)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_913104, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_914036, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _921386)
   Call: (222) [system] peek_char((0x558d99e6bec0), _922320)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_927040, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_927972, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _935322)
   Call: (223) [system] peek_char((0x558d99e6bec0), _936256)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_940976, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_941908, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _949258)
   Call: (224) [system] peek_char((0x558d99e6bec0), _950192)
   Exit: (224) [system] peek_char((0x558d99e6bec0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_954912, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_955844, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x558d99e6bec0), k)
   Exit: (224) [system] get_char((0x558d99e6bec0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _963194)
   Call: (225) [system] peek_char((0x558d99e6bec0), _964128)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _963194=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _949258=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (223) [system] _935322=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (222) [system] _921386=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (221) [system] _907450=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (220) [system] _893514=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (219) [system] _879578=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _845924)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_990202, _990204), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _845924), _990178, fail)), '$restore_trace'(_990202, _990204))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_990202, _990204))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _845924), _990178, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_845924)
   Fail: (219) [system] atomic(_845924)
   Call: (219) [system] atom_chars(_845924, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _999578)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1001436)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1009174)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1011878)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1026956)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1032526)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1034384)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1048538)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1032526)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1066180)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1067114)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1066180=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('A', [], _1032526)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1076424, _1076426), once(user:catch(read_from_chars(['A'], _1032526), _1076400, fail)), '$restore_trace'(_1076424, _1076426))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1076424, _1076426))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1032526), _1076400, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1032526)
   Fail: (220) [system] atomic(_1032526)
   Call: (220) [system] atom_chars(_1032526, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1085800)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1087658)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1095396)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1098100)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1113178)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1118748)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1120606)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1134760)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1118748)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1152402)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1153336)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1158056, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1152402=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('B', [], _1118748)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1164518, _1164520), once(user:catch(read_from_chars(['B'], _1118748), _1164494, fail)), '$restore_trace'(_1164518, _1164520))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1164518, _1164520))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1118748), _1164494, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1118748)
   Fail: (221) [system] atomic(_1118748)
   Call: (221) [system] atom_chars(_1118748, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1173894)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1175752)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1189906)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _1193696)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _1173894=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1085800=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (217) [system] _999578=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (216) [system] _804618=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1207578)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1209436)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1217174)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1219878)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1234956)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (215) [system] 'C'=')'
   Fail: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
   Fail: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1240526)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1242384)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=(;)
   Fail: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Fail: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Fail: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Fail: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
   Fail: (218) [system] char_type('C', cntrl)
^  Fail: (217) [user] is_like_space('C')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1256538)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'='('
   Fail: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Fail: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Fail: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Fail: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Fail: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Fail: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Fail: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1240526)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1274180)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1275114)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1279834, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1274180=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('C', [], _1240526)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1286296, _1286298), once(user:catch(read_from_chars(['C'], _1240526), _1286272, fail)), '$restore_trace'(_1286296, _1286298))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1286296, _1286298))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1240526), _1286272, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1240526)
   Fail: (218) [system] atomic(_1240526)
   Call: (218) [system] atom_chars(_1240526, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1295672)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1297530)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1311684)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _1315474)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _1295672=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _1207578=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (214) [system] _771670=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _509790=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1329356)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1331214)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1338952)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1341656)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1356734)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1362304)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1364162)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1378316)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1362304)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1383886)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1398040)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1403610)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1405468)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1419622)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1403610)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1437264)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1438198)
   Exit: (217) [system] peek_char((0x558d99e6bec0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1442918, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1443850, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x558d99e6bec0), r)
   Exit: (217) [system] get_char((0x558d99e6bec0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1451200)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1452134)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1456854, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1457786, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1465136)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1466070)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1470790, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1471722, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1479072)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1480006)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1484726, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1485658, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1493008)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1493942)
   Exit: (221) [system] peek_char((0x558d99e6bec0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1498662, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1499594, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x558d99e6bec0), k)
   Exit: (221) [system] get_char((0x558d99e6bec0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1506944)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1507878)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1506944=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1493008=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (220) [system] _1479072=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (219) [system] _1465136=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (218) [system] _1451200=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (217) [system] _1437264=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1403610)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1531158, _1531160), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1403610), _1531134, fail)), '$restore_trace'(_1531158, _1531160))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1531158, _1531160))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1403610), _1531134, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1403610)
   Fail: (217) [system] atomic(_1403610)
   Call: (217) [system] atom_chars(_1403610, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1540534)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1542392)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1550130)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1552834)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1567912)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (215) [system] 'B'=')'
   Fail: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
   Fail: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1573482)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1575340)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (217) [system] 'B'=(;)
   Fail: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Fail: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Fail: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Fail: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
   Fail: (218) [system] char_type('B', cntrl)
^  Fail: (217) [user] is_like_space('B')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1589494)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'B')
   Call: (216) [system] 'B'='('
   Fail: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Fail: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Fail: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Fail: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Fail: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Fail: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Fail: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
   Fail: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1573482)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1607136)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1608070)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1607136=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _1573482)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1617380, _1617382), once(user:catch(read_from_chars(['B'], _1573482), _1617356, fail)), '$restore_trace'(_1617380, _1617382))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1617380, _1617382))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1573482), _1617356, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1573482)
   Fail: (218) [system] atomic(_1573482)
   Call: (218) [system] atom_chars(_1573482, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1626756)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1628614)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1636352)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1639056)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1654134)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (216) [system] 'A'=')'
   Fail: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
   Fail: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1659704)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1661562)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1675716)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'='('
   Fail: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Fail: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Fail: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Fail: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Fail: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Fail: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Fail: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1659704)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1693358)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1694292)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1699012, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1693358=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('A', [], _1659704)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1705474, _1705476), once(user:catch(read_from_chars(['A'], _1659704), _1705450, fail)), '$restore_trace'(_1705474, _1705476))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1705474, _1705476))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1659704), _1705450, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1659704)
   Fail: (219) [system] atomic(_1659704)
   Call: (219) [system] atom_chars(_1659704, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1714850)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1716708)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1730862)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1734652)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _1714850=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _1626756=['A']
   Exit: (216) [system] ['A']=['A']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (215) [system] _1540534=['B', 'A']
   Exit: (215) [system] ['B', 'A']=['B', 'A']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['B', 'A'])
   Call: (214) [system] _1362304=['OrLink', 'B', 'A']
   Exit: (214) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'B', 'A'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'B', 'A'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1748534)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1750392)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1764546)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1768336)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1748534=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _1329356=[['OrLink', 'B', 'A']]
   Exit: (212) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'B', 'A']])
   Call: (211) [system] _476842=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
   Call: (210) [system] _298612=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1782218)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1784076)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=(;)
   Fail: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Fail: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Fail: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Fail: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
   Fail: (211) [system] char_type(')', cntrl)
^  Fail: (210) [user] is_like_space(')')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1798230)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x558d99e6bec0), _1802020)
   Exit: (209) [system] get_char((0x558d99e6bec0), ')')
   Call: (209) [system] _1782218=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (208) [system] _265664=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (207) [system] _5308=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (206) [system] _5300=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (206) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (205) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Exit: (204) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Call: (204) [user] read_list(')', (0x558d99e6bec0), _1815902)
^  Call: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _1817760)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (206) [system] '\n'=(;)
   Fail: (206) [system] '\n'=(;)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Fail: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x558d99e6bec0), _1827354)
   Exit: (206) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1830058)
   Exit: (207) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (207) [system] ' '=(;)
   Fail: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x558d99e6bec0), _1837796)
   Exit: (207) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1840500)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (205) [user] skip_spaces((0x558d99e6bec0))
   Call: (205) [system] peek_char((0x558d99e6bec0), _1856502)
   Exit: (205) [system] peek_char((0x558d99e6bec0), '(')
   Call: (205) [system] '('=')'
   Fail: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
   Fail: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x558d99e6bec0), _1862072)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1863930)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=(;)
   Fail: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Fail: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Fail: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Fail: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
   Fail: (208) [system] char_type('(', cntrl)
^  Fail: (207) [user] is_like_space('(')
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] get_char((0x558d99e6bec0), _1878084)
   Exit: (206) [system] get_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1862072)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1883654)
   Exit: (208) [system] peek_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)=(;)
   Fail: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Fail: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Fail: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Fail: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
   Fail: (209) [system] char_type(:, cntrl)
^  Fail: (208) [user] is_like_space(:)
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1897808)
   Exit: (207) [system] peek_char((0x558d99e6bec0), :)
   Call: (207) [system] (:)=')'
   Fail: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
   Fail: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1903378)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1905236)
   Exit: (209) [system] peek_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1919390)
   Exit: (208) [system] get_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)='('
   Fail: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Fail: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Fail: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Fail: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Fail: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Fail: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Fail: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x558d99e6bec0), :, _1903378)
^  Call: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1937032)
   Call: (210) [system] peek_char((0x558d99e6bec0), _1937966)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1937032=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (209) [user] classify_and_convert_charseq(:, [], _1903378)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1947276, _1947278), once(user:catch(read_from_chars([:], _1903378), _1947252, fail)), '$restore_trace'(_1947276, _1947278))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1947276, _1947278))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1947252, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (208) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _1954776)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1956634)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1964372)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1967076)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1982154)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _1987724)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1989582)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _2003736)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1987724)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2009306)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=(;)
   Fail: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Fail: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Fail: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Fail: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
   Fail: (212) [system] char_type('D', cntrl)
^  Fail: (211) [user] is_like_space('D')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2023460)
   Exit: (210) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (210) [system] 'D'=')'
   Fail: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
   Fail: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _2029030)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2030888)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _2045042)
   Exit: (211) [system] get_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'='('
   Fail: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Fail: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Fail: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Fail: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Fail: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Fail: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Fail: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _2029030)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2062684)
   Call: (213) [system] peek_char((0x558d99e6bec0), _2063618)
   Exit: (213) [system] peek_char((0x558d99e6bec0), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Fail: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_2068338, v('(', ')', end_of_file), i)
   Fail: (214) [system] arg(_2069270, v('(', ')', end_of_file), i)
^  Fail: (213) [user] is_delimiter(i)
   Call: (213) [system] ')'==i
   Fail: (213) [system] ')'==i
   Call: (213) [system] get_char((0x558d99e6bec0), i)
   Exit: (213) [system] get_char((0x558d99e6bec0), i)
   Call: (213) [system] i=(\)
   Fail: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2076620)
   Call: (214) [system] peek_char((0x558d99e6bec0), _2077554)
   Exit: (214) [system] peek_char((0x558d99e6bec0), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Fail: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_2082274, v('(', ')', end_of_file), s)
   Fail: (215) [system] arg(_2083206, v('(', ')', end_of_file), s)
^  Fail: (214) [user] is_delimiter(s)
   Call: (214) [system] ')'==s
   Fail: (214) [system] ')'==s
   Call: (214) [system] get_char((0x558d99e6bec0), s)
   Exit: (214) [system] get_char((0x558d99e6bec0), s)
   Call: (214) [system] s=(\)
   Fail: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2090556)
   Call: (215) [system] peek_char((0x558d99e6bec0), _2091490)
   Exit: (215) [system] peek_char((0x558d99e6bec0), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Fail: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_2096210, v('(', ')', end_of_file), j)
   Fail: (216) [system] arg(_5904, v('(', ')', end_of_file), j)
^  Fail: (215) [user] is_delimiter(j)
   Call: (215) [system] ')'==j
   Fail: (215) [system] ')'==j
   Call: (215) [system] get_char((0x558d99e6bec0), j)
   Exit: (215) [system] get_char((0x558d99e6bec0), j)
   Call: (215) [system] j=(\)
   Fail: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _13254)
   Call: (216) [system] peek_char((0x558d99e6bec0), _14188)
   Exit: (216) [system] peek_char((0x558d99e6bec0), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Fail: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_18908, v('(', ')', end_of_file), u)
   Fail: (217) [system] arg(_19840, v('(', ')', end_of_file), u)
^  Fail: (216) [user] is_delimiter(u)
   Call: (216) [system] ')'==u
   Fail: (216) [system] ')'==u
   Call: (216) [system] get_char((0x558d99e6bec0), u)
   Exit: (216) [system] get_char((0x558d99e6bec0), u)
   Call: (216) [system] u=(\)
   Fail: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _27190)
   Call: (217) [system] peek_char((0x558d99e6bec0), _28124)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_32844, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_33776, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _41126)
   Call: (218) [system] peek_char((0x558d99e6bec0), _42060)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_46780, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_47712, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _55062)
   Call: (219) [system] peek_char((0x558d99e6bec0), _55996)
   Exit: (219) [system] peek_char((0x558d99e6bec0), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Fail: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_60716, v('(', ')', end_of_file), t)
   Fail: (220) [system] arg(_61648, v('(', ')', end_of_file), t)
^  Fail: (219) [user] is_delimiter(t)
   Call: (219) [system] ')'==t
   Fail: (219) [system] ')'==t
   Call: (219) [system] get_char((0x558d99e6bec0), t)
   Exit: (219) [system] get_char((0x558d99e6bec0), t)
   Call: (219) [system] t=(\)
   Fail: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68998)
   Call: (220) [system] peek_char((0x558d99e6bec0), _69932)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_74652, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_75584, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _82934)
   Call: (221) [system] peek_char((0x558d99e6bec0), _83868)
   Exit: (221) [system] peek_char((0x558d99e6bec0), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Fail: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_88588, v('(', ')', end_of_file), o)
   Fail: (222) [system] arg(_89520, v('(', ')', end_of_file), o)
^  Fail: (221) [user] is_delimiter(o)
   Call: (221) [system] ')'==o
   Fail: (221) [system] ')'==o
   Call: (221) [system] get_char((0x558d99e6bec0), o)
   Exit: (221) [system] get_char((0x558d99e6bec0), o)
   Call: (221) [system] o=(\)
   Fail: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _96870)
   Call: (222) [system] peek_char((0x558d99e6bec0), _97804)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_102524, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_103456, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _110806)
   Call: (223) [system] peek_char((0x558d99e6bec0), _111740)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_116460, v('(', ')', end_of_file), 'I')
   Fail: (224) [system] arg(_117392, v('(', ')', end_of_file), 'I')
^  Fail: (223) [user] is_delimiter('I')
   Call: (223) [system] ')'=='I'
   Fail: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(\)
   Fail: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _124742)
   Call: (224) [system] peek_char((0x558d99e6bec0), _125676)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_130396, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_131328, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _138678)
   Call: (225) [system] peek_char((0x558d99e6bec0), _139612)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_144332, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_145264, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _152614)
   Call: (226) [system] peek_char((0x558d99e6bec0), _153548)
   Exit: (226) [system] peek_char((0x558d99e6bec0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_158268, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_159200, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x558d99e6bec0), r)
   Exit: (226) [system] get_char((0x558d99e6bec0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _166550)
   Call: (227) [system] peek_char((0x558d99e6bec0), _167484)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_172204, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_173136, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180486)
   Call: (228) [system] peek_char((0x558d99e6bec0), _181420)
   Exit: (228) [system] peek_char((0x558d99e6bec0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_186140, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_187072, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x558d99e6bec0), d)
   Exit: (228) [system] get_char((0x558d99e6bec0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _194422)
   Call: (229) [system] peek_char((0x558d99e6bec0), _195356)
   Exit: (229) [system] peek_char((0x558d99e6bec0), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Fail: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_200076, v('(', ')', end_of_file), u)
   Fail: (230) [system] arg(_201008, v('(', ')', end_of_file), u)
^  Fail: (229) [user] is_delimiter(u)
   Call: (229) [system] ')'==u
   Fail: (229) [system] ')'==u
   Call: (229) [system] get_char((0x558d99e6bec0), u)
   Exit: (229) [system] get_char((0x558d99e6bec0), u)
   Call: (229) [system] u=(\)
   Fail: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _208358)
   Call: (230) [system] peek_char((0x558d99e6bec0), _209292)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_214012, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_214944, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _222294)
   Call: (231) [system] peek_char((0x558d99e6bec0), _223228)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_227948, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_228880, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _236230)
   Call: (232) [system] peek_char((0x558d99e6bec0), _237164)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_241884, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_242816, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _250166)
   Call: (233) [system] peek_char((0x558d99e6bec0), _251100)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_255820, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_256752, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _264102)
   Call: (234) [system] peek_char((0x558d99e6bec0), _265036)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_269756, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_270688, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _278038)
   Call: (235) [system] peek_char((0x558d99e6bec0), _278972)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _278038=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _264102=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (233) [system] _250166=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (232) [system] _236230=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (231) [system] _222294=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (230) [system] _208358=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (229) [system] _194422=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (228) [system] _180486=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (227) [system] _166550=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _152614=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _138678=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _124742=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _110806=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _96870=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _82934=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _68998=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _55062=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _41126=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _27190=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _13254=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _5462=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _5458=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _5454=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5450)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_349750, _349752), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5450), _349726, fail)), '$restore_trace'(_349750, _349752))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_349750, _349752))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5450), _349726, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_5450)
   Fail: (213) [system] atomic(_5450)
   Call: (213) [system] atom_chars(_5450, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _359126)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _360984)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _368722)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _371426)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _386504)
   Exit: (211) [system] peek_char((0x558d99e6bec0), a)
   Call: (211) [system] a=')'
   Fail: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
   Fail: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _392074)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _393932)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=(;)
   Fail: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Fail: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Fail: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Fail: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
   Fail: (214) [system] char_type(a, cntrl)
^  Fail: (213) [user] is_like_space(a)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _408086)
   Exit: (212) [system] get_char((0x558d99e6bec0), a)
   Call: (212) [system] a='('
   Fail: (212) [system] a='('
   Call: (212) [system] a='['
   Fail: (212) [system] a='['
   Call: (212) [system] a='{'
   Fail: (212) [system] a='{'
   Call: (212) [system] a='"'
   Fail: (212) [system] a='"'
   Call: (212) [system] a=!
   Fail: (212) [system] a=!
   Call: (212) [system] a='\''
   Fail: (212) [system] a='\''
   Call: (212) [system] a='`'
   Fail: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, _392074)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _425728)
   Call: (214) [system] peek_char((0x558d99e6bec0), _426662)
   Exit: (214) [system] peek_char((0x558d99e6bec0), b)
^  Call: (214) [user] is_delimiter(b)
   Call: (215) [system] char_type(b, space)
   Fail: (215) [system] char_type(b, space)
   Call: (215) [system] arg(_431382, v('(', ')', end_of_file), b)
   Fail: (215) [system] arg(_432314, v('(', ')', end_of_file), b)
^  Fail: (214) [user] is_delimiter(b)
   Call: (214) [system] ')'==b
   Fail: (214) [system] ')'==b
   Call: (214) [system] get_char((0x558d99e6bec0), b)
   Exit: (214) [system] get_char((0x558d99e6bec0), b)
   Call: (214) [system] b=(\)
   Fail: (214) [system] b=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _439664)
   Call: (215) [system] peek_char((0x558d99e6bec0), _440598)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Fail: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_445318, v('(', ')', end_of_file), c)
   Fail: (216) [system] arg(_446250, v('(', ')', end_of_file), c)
^  Fail: (215) [user] is_delimiter(c)
   Call: (215) [system] ')'==c
   Fail: (215) [system] ')'==c
   Call: (215) [system] get_char((0x558d99e6bec0), c)
   Exit: (215) [system] get_char((0x558d99e6bec0), c)
   Call: (215) [system] c=(\)
   Fail: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _453600)
   Call: (216) [system] peek_char((0x558d99e6bec0), _454534)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _453600=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (215) [system] _439664=[c]
   Exit: (215) [system] [c]=[c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (214) [system] _425728=[b, c]
   Exit: (214) [system] [b, c]=[b, c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (213) [user] classify_and_convert_charseq(a, [b, c], _392074)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_469432, _469434), once(user:catch(read_from_chars([a, b, c], _392074), _469408, fail)), '$restore_trace'(_469432, _469434))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_469432, _469434))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _469408, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _476932)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _478790)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _486528)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _489232)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _504310)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _509880)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _511738)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _525892)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _509880)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _531462)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _545616)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _551186)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _553044)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _567198)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _551186)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584840)
   Call: (217) [system] peek_char((0x558d99e6bec0), _585774)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_590494, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_591426, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _598776)
   Call: (218) [system] peek_char((0x558d99e6bec0), _599710)
   Exit: (218) [system] peek_char((0x558d99e6bec0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_604430, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_605362, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x558d99e6bec0), s)
   Exit: (218) [system] get_char((0x558d99e6bec0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _612712)
   Call: (219) [system] peek_char((0x558d99e6bec0), _613646)
   Exit: (219) [system] peek_char((0x558d99e6bec0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_618366, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_619298, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x558d99e6bec0), j)
   Exit: (219) [system] get_char((0x558d99e6bec0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _626648)
   Call: (220) [system] peek_char((0x558d99e6bec0), _627582)
   Exit: (220) [system] peek_char((0x558d99e6bec0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_632302, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_633234, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x558d99e6bec0), u)
   Exit: (220) [system] get_char((0x558d99e6bec0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640584)
   Call: (221) [system] peek_char((0x558d99e6bec0), _641518)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_646238, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_647170, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654520)
   Call: (222) [system] peek_char((0x558d99e6bec0), _655454)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_660174, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_661106, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _668456)
   Call: (223) [system] peek_char((0x558d99e6bec0), _669390)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_674110, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_675042, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _682392)
   Call: (224) [system] peek_char((0x558d99e6bec0), _683326)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_688046, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_688978, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _696328)
   Call: (225) [system] peek_char((0x558d99e6bec0), _697262)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_701982, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_702914, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _710264)
   Call: (226) [system] peek_char((0x558d99e6bec0), _711198)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_715918, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_716850, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _724200)
   Call: (227) [system] peek_char((0x558d99e6bec0), _725134)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_729854, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_730786, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _738136)
   Call: (228) [system] peek_char((0x558d99e6bec0), _739070)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_743790, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_744722, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _752072)
   Call: (229) [system] peek_char((0x558d99e6bec0), _753006)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_757726, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_758658, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _766008)
   Call: (230) [system] peek_char((0x558d99e6bec0), _766942)
   Exit: (230) [system] peek_char((0x558d99e6bec0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_771662, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_772594, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x558d99e6bec0), r)
   Exit: (230) [system] get_char((0x558d99e6bec0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _779944)
   Call: (231) [system] peek_char((0x558d99e6bec0), _780878)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_785598, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_786530, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _793880)
   Call: (232) [system] peek_char((0x558d99e6bec0), _794814)
   Exit: (232) [system] peek_char((0x558d99e6bec0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_799534, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_800466, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x558d99e6bec0), d)
   Exit: (232) [system] get_char((0x558d99e6bec0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _807816)
   Call: (233) [system] peek_char((0x558d99e6bec0), _808750)
   Exit: (233) [system] peek_char((0x558d99e6bec0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_813470, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_814402, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x558d99e6bec0), u)
   Exit: (233) [system] get_char((0x558d99e6bec0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _821752)
   Call: (234) [system] peek_char((0x558d99e6bec0), _822686)
   Exit: (234) [system] peek_char((0x558d99e6bec0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_827406, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_828338, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x558d99e6bec0), c)
   Exit: (234) [system] get_char((0x558d99e6bec0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _835688)
   Call: (235) [system] peek_char((0x558d99e6bec0), _836622)
   Exit: (235) [system] peek_char((0x558d99e6bec0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_841342, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_842274, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x558d99e6bec0), t)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _849624)
   Call: (236) [system] peek_char((0x558d99e6bec0), _850558)
   Exit: (236) [system] peek_char((0x558d99e6bec0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_855278, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_856210, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x558d99e6bec0), i)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _863560)
   Call: (237) [system] peek_char((0x558d99e6bec0), _864494)
   Exit: (237) [system] peek_char((0x558d99e6bec0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_869214, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_870146, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x558d99e6bec0), o)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _877496)
   Call: (238) [system] peek_char((0x558d99e6bec0), _878430)
   Exit: (238) [system] peek_char((0x558d99e6bec0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_883150, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_884082, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x558d99e6bec0), n)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _891432)
   Call: (239) [system] peek_char((0x558d99e6bec0), _892366)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _891432=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (238) [system] _877496=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (237) [system] _863560=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (236) [system] _849624=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (235) [system] _835688=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (234) [system] _821752=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (233) [system] _807816=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (232) [system] _793880=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (231) [system] _779944=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _766008=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _752072=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _738136=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _724200=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _710264=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _696328=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _682392=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _668456=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _654520=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _640584=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _626648=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _612712=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _598776=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _584840=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _551186)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_963144, _963146), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _551186), _963120, fail)), '$restore_trace'(_963144, _963146))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_963144, _963146))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _551186), _963120, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_551186)
   Fail: (217) [system] atomic(_551186)
   Call: (217) [system] atom_chars(_551186, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _972520)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _974378)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _982116)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _984820)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(;)
   Fail: (217) [system] c=(;)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Fail: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
   Fail: (218) [system] char_type(c, cntrl)
^  Fail: (217) [user] is_like_space(c)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _999898)
   Exit: (215) [system] peek_char((0x558d99e6bec0), c)
   Call: (215) [system] c=')'
   Fail: (215) [system] c=')'
   Call: (215) [system] c=end_of_file
   Fail: (215) [system] c=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1005468)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1007326)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(;)
   Fail: (217) [system] c=(;)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Fail: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Fail: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
   Fail: (218) [system] char_type(c, cntrl)
^  Fail: (217) [user] is_like_space(c)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1021480)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c='('
   Fail: (216) [system] c='('
   Call: (216) [system] c='['
   Fail: (216) [system] c='['
   Call: (216) [system] c='{'
   Fail: (216) [system] c='{'
   Call: (216) [system] c='"'
   Fail: (216) [system] c='"'
   Call: (216) [system] c=!
   Fail: (216) [system] c=!
   Call: (216) [system] c='\''
   Fail: (216) [system] c='\''
   Call: (216) [system] c='`'
   Fail: (216) [system] c='`'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), c, _1005468)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039122)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1040056)
   Exit: (218) [system] peek_char((0x558d99e6bec0), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Fail: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1044776, v('(', ')', end_of_file), d)
   Fail: (219) [system] arg(_1045708, v('(', ')', end_of_file), d)
^  Fail: (218) [user] is_delimiter(d)
   Call: (218) [system] ')'==d
   Fail: (218) [system] ')'==d
   Call: (218) [system] get_char((0x558d99e6bec0), d)
   Exit: (218) [system] get_char((0x558d99e6bec0), d)
   Call: (218) [system] d=(\)
   Fail: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053058)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1053992)
   Exit: (219) [system] peek_char((0x558d99e6bec0), e)
^  Call: (219) [user] is_delimiter(e)
   Call: (220) [system] char_type(e, space)
   Fail: (220) [system] char_type(e, space)
   Call: (220) [system] arg(_1058712, v('(', ')', end_of_file), e)
   Fail: (220) [system] arg(_1059644, v('(', ')', end_of_file), e)
^  Fail: (219) [user] is_delimiter(e)
   Call: (219) [system] ')'==e
   Fail: (219) [system] ')'==e
   Call: (219) [system] get_char((0x558d99e6bec0), e)
   Exit: (219) [system] get_char((0x558d99e6bec0), e)
   Call: (219) [system] e=(\)
   Fail: (219) [system] e=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1066994)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1067928)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1066994=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _1053058=[e]
   Exit: (219) [system] [e]=[e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (218) [system] _1039122=[d, e]
   Exit: (218) [system] [d, e]=[d, e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (217) [user] classify_and_convert_charseq(c, [d, e], _1005468)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1082826, _1082828), once(user:catch(read_from_chars([c, d, e], _1005468), _1082802, fail)), '$restore_trace'(_1082826, _1082828))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1082826, _1082828))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1082802, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(cde)
   Exit: (218) [system] atomic(cde)
^  Exit: (217) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1090326)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1092184)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1099922)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1102626)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1117704)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1123274)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1125132)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1139286)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, _1123274)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1156928)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1157862)
   Exit: (219) [system] peek_char((0x558d99e6bec0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1162582, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_1163514, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x558d99e6bec0), b)
   Exit: (219) [system] get_char((0x558d99e6bec0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1170864)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1171798)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1176518, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_1177450, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1184800)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1185734)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1190454, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1184800=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1170864=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (219) [system] _1156928=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _1123274)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1202504, _1202506), once(user:catch(read_from_chars([a, b, c], _1123274), _1202480, fail)), '$restore_trace'(_1202504, _1202506))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1202504, _1202506))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1202480, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1210004)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1211862)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1226016)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1229806)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _1210004=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _1090326=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (215) [system] _972520=[cde, abc]
   Exit: (215) [system] [cde, abc]=[cde, abc]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [cde, abc])
   Call: (214) [system] _509880=['DisjunctionIntroduction', cde, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, abc])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1243688)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1245546)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1259700)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1263490)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1243688=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _476932=[['DisjunctionIntroduction', cde, abc]]
   Exit: (212) [system] [['DisjunctionIntroduction', cde, abc]]=[['DisjunctionIntroduction', cde, abc]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, abc]])
   Call: (211) [system] _359126=[abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (211) [system] [abc, ['DisjunctionIntroduction', cde, abc]]=[abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', cde, abc]])
   Call: (210) [system] _5444=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (210) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1277372)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1279230)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _1286968)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1289672)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1304750)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1310320)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1312178)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1326332)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1310320)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1331902)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=(;)
   Fail: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Fail: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Fail: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Fail: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
   Fail: (213) [system] char_type('O', cntrl)
^  Fail: (212) [user] is_like_space('O')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1346056)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (211) [system] 'O'=')'
   Fail: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
   Fail: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1351626)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1353484)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1367638)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'='('
   Fail: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Fail: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Fail: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Fail: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Fail: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Fail: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Fail: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1351626)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1385280)
   Call: (214) [system] peek_char((0x558d99e6bec0), _1386214)
   Exit: (214) [system] peek_char((0x558d99e6bec0), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Fail: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1390934, v('(', ')', end_of_file), r)
   Fail: (215) [system] arg(_1391866, v('(', ')', end_of_file), r)
^  Fail: (214) [user] is_delimiter(r)
   Call: (214) [system] ')'==r
   Fail: (214) [system] ')'==r
   Call: (214) [system] get_char((0x558d99e6bec0), r)
   Exit: (214) [system] get_char((0x558d99e6bec0), r)
   Call: (214) [system] r=(\)
   Fail: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1399216)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1400150)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Fail: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1404870, v('(', ')', end_of_file), 'L')
   Fail: (216) [system] arg(_1405802, v('(', ')', end_of_file), 'L')
^  Fail: (215) [user] is_delimiter('L')
   Call: (215) [system] ')'=='L'
   Fail: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (215) [system] get_char((0x558d99e6bec0), 'L')
   Call: (215) [system] 'L'=(\)
   Fail: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1413152)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1414086)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1418806, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_1419738, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1427088)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1428022)
   Exit: (217) [system] peek_char((0x558d99e6bec0), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Fail: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1432742, v('(', ')', end_of_file), n)
   Fail: (218) [system] arg(_1433674, v('(', ')', end_of_file), n)
^  Fail: (217) [user] is_delimiter(n)
   Call: (217) [system] ')'==n
   Fail: (217) [system] ')'==n
   Call: (217) [system] get_char((0x558d99e6bec0), n)
   Exit: (217) [system] get_char((0x558d99e6bec0), n)
   Call: (217) [system] n=(\)
   Fail: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1441024)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1441958)
   Exit: (218) [system] peek_char((0x558d99e6bec0), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Fail: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1446678, v('(', ')', end_of_file), k)
   Fail: (219) [system] arg(_1447610, v('(', ')', end_of_file), k)
^  Fail: (218) [user] is_delimiter(k)
   Call: (218) [system] ')'==k
   Fail: (218) [system] ')'==k
   Call: (218) [system] get_char((0x558d99e6bec0), k)
   Exit: (218) [system] get_char((0x558d99e6bec0), k)
   Call: (218) [system] k=(\)
   Fail: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1454960)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1455894)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1454960=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1441024=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (217) [system] _1427088=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (216) [system] _1413152=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (215) [system] _1399216=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (214) [system] _1385280=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1351626)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1479174, _1479176), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1351626), _1479150, fail)), '$restore_trace'(_1479174, _1479176))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1479174, _1479176))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1351626), _1479150, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1351626)
   Fail: (214) [system] atomic(_1351626)
   Call: (214) [system] atom_chars(_1351626, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1488550)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1490408)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1498146)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1500850)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1515928)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1521498)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1523356)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1537510)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1521498)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1543080)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=(;)
   Fail: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Fail: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Fail: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Fail: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
   Fail: (216) [system] char_type('I', cntrl)
^  Fail: (215) [user] is_like_space('I')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1557234)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (214) [system] 'I'=')'
   Fail: (214) [system] 'I'=')'
   Call: (214) [system] 'I'=end_of_file
   Fail: (214) [system] 'I'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1562804)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1564662)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1578816)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'='('
   Fail: (215) [system] 'I'='('
   Call: (215) [system] 'I'='['
   Fail: (215) [system] 'I'='['
   Call: (215) [system] 'I'='{'
   Fail: (215) [system] 'I'='{'
   Call: (215) [system] 'I'='"'
   Fail: (215) [system] 'I'='"'
   Call: (215) [system] 'I'=!
   Fail: (215) [system] 'I'=!
   Call: (215) [system] 'I'='\''
   Fail: (215) [system] 'I'='\''
   Call: (215) [system] 'I'='`'
   Fail: (215) [system] 'I'='`'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1562804)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1596458)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1597392)
   Exit: (217) [system] peek_char((0x558d99e6bec0), m)
^  Call: (217) [user] is_delimiter(m)
   Call: (218) [system] char_type(m, space)
   Fail: (218) [system] char_type(m, space)
   Call: (218) [system] arg(_1602112, v('(', ')', end_of_file), m)
   Fail: (218) [system] arg(_1603044, v('(', ')', end_of_file), m)
^  Fail: (217) [user] is_delimiter(m)
   Call: (217) [system] ')'==m
   Fail: (217) [system] ')'==m
   Call: (217) [system] get_char((0x558d99e6bec0), m)
   Exit: (217) [system] get_char((0x558d99e6bec0), m)
   Call: (217) [system] m=(\)
   Fail: (217) [system] m=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1610394)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1611328)
   Exit: (218) [system] peek_char((0x558d99e6bec0), p)
^  Call: (218) [user] is_delimiter(p)
   Call: (219) [system] char_type(p, space)
   Fail: (219) [system] char_type(p, space)
   Call: (219) [system] arg(_1616048, v('(', ')', end_of_file), p)
   Fail: (219) [system] arg(_1616980, v('(', ')', end_of_file), p)
^  Fail: (218) [user] is_delimiter(p)
   Call: (218) [system] ')'==p
   Fail: (218) [system] ')'==p
   Call: (218) [system] get_char((0x558d99e6bec0), p)
   Exit: (218) [system] get_char((0x558d99e6bec0), p)
   Call: (218) [system] p=(\)
   Fail: (218) [system] p=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1624330)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1625264)
   Exit: (219) [system] peek_char((0x558d99e6bec0), l)
^  Call: (219) [user] is_delimiter(l)
   Call: (220) [system] char_type(l, space)
   Fail: (220) [system] char_type(l, space)
   Call: (220) [system] arg(_1629984, v('(', ')', end_of_file), l)
   Fail: (220) [system] arg(_1630916, v('(', ')', end_of_file), l)
^  Fail: (219) [user] is_delimiter(l)
   Call: (219) [system] ')'==l
   Fail: (219) [system] ')'==l
   Call: (219) [system] get_char((0x558d99e6bec0), l)
   Exit: (219) [system] get_char((0x558d99e6bec0), l)
   Call: (219) [system] l=(\)
   Fail: (219) [system] l=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1638266)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1639200)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1643920, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1644852, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1652202)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1653136)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1657856, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1658788, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1666138)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1667072)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
^  Call: (222) [user] is_delimiter(a)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] arg(_1671792, v('(', ')', end_of_file), a)
   Fail: (223) [system] arg(_1672724, v('(', ')', end_of_file), a)
^  Fail: (222) [user] is_delimiter(a)
   Call: (222) [system] ')'==a
   Fail: (222) [system] ')'==a
   Call: (222) [system] get_char((0x558d99e6bec0), a)
   Exit: (222) [system] get_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(\)
   Fail: (222) [system] a=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1680074)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1681008)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1685728, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_1686660, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1694010)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1694944)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1699664, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1700596, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1707946)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1708880)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1713600, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1714532, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1721882)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1722816)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1727536, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1728468, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1735818)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1736752)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1735818=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1721882=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (225) [system] _1707946=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (224) [system] _1694010=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (223) [system] _1680074=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (222) [system] _1666138=[a, t, i, o, n]
   Exit: (222) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (221) [system] _1652202=[c, a, t, i, o, n]
   Exit: (221) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (220) [system] _1638266=[i, c, a, t, i, o, n]
   Exit: (220) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (219) [system] _1624330=[l, i, c, a, t, i, o, n]
   Exit: (219) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (218) [system] _1610394=[p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (217) [system] _1596458=[m, p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1562804)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1774002, _1774004), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1562804), _1773978, fail)), '$restore_trace'(_1774002, _1774004))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1774002, _1774004))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1562804), _1773978, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1562804)
   Fail: (217) [system] atomic(_1562804)
   Call: (217) [system] atom_chars(_1562804, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1783378)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1785236)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1792974)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1795678)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1810756)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1816326)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1818184)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1832338)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1816326)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1837908)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=(;)
   Fail: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Fail: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Fail: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Fail: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
   Fail: (219) [system] char_type('A', cntrl)
^  Fail: (218) [user] is_like_space('A')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1852062)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (217) [system] 'A'=')'
   Fail: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
   Fail: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1857632)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1859490)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1873644)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'='('
   Fail: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Fail: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Fail: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Fail: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Fail: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Fail: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Fail: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1857632)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1891286)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1892220)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1896940, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1897872, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1905222)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1906156)
   Exit: (221) [system] peek_char((0x558d99e6bec0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1910876, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1911808, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x558d99e6bec0), d)
   Exit: (221) [system] get_char((0x558d99e6bec0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1919158)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1920092)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1924812, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1925744, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1933094)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1934028)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1938748, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1939680, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1947030)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1947964)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1952684, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1953616, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1960966)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1961900)
   Exit: (225) [system] peek_char((0x558d99e6bec0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1966620, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1967552, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x558d99e6bec0), k)
   Exit: (225) [system] get_char((0x558d99e6bec0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1974902)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1975836)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1974902=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1960966=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (224) [system] _1947030=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (223) [system] _1933094=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (222) [system] _1919158=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (221) [system] _1905222=[d, 'L', i, n, k]
   Exit: (221) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (220) [system] _1891286=[n, d, 'L', i, n, k]
   Exit: (220) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1857632)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_2001910, _2001912), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1857632), _2001886, fail)), '$restore_trace'(_2001910, _2001912))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_2001910, _2001912))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1857632), _2001886, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1857632)
   Fail: (220) [system] atomic(_1857632)
   Call: (220) [system] atom_chars(_1857632, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _2011286)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2013144)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _2020882)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2023586)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2038664)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _2044234)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2046092)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _2060246)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _2044234)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077888)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2078822)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _2077888=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('A', [], _2044234)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_2088132, _2088134), once(user:catch(read_from_chars(['A'], _2044234), _2088108, fail)), '$restore_trace'(_2088132, _2088134))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_2088132, _2088134))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _2044234), _2088108, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_2044234)
   Fail: (221) [system] atomic(_2044234)
   Call: (221) [system] atom_chars(_2044234, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _6238)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _8096)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _15834)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _18538)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _33616)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'=')'
   Fail: (219) [system] 'B'=')'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _39186)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _41044)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'=(;)
   Fail: (221) [system] 'B'=(;)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Fail: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Fail: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Fail: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
   Fail: (222) [system] char_type('B', cntrl)
^  Fail: (221) [user] is_like_space('B')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _55198)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'='('
   Fail: (220) [system] 'B'='('
   Call: (220) [system] 'B'='['
   Fail: (220) [system] 'B'='['
   Call: (220) [system] 'B'='{'
   Fail: (220) [system] 'B'='{'
   Call: (220) [system] 'B'='"'
   Fail: (220) [system] 'B'='"'
   Call: (220) [system] 'B'=!
   Fail: (220) [system] 'B'=!
   Call: (220) [system] 'B'='\''
   Fail: (220) [system] 'B'='\''
   Call: (220) [system] 'B'='`'
   Fail: (220) [system] 'B'='`'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _39186)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _72840)
   Call: (222) [system] peek_char((0x558d99e6bec0), _73774)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_78494, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _72840=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('B', [], _39186)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_84956, _84958), once(user:catch(read_from_chars(['B'], _39186), _84932, fail)), '$restore_trace'(_84956, _84958))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_84956, _84958))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _39186), _84932, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_39186)
   Fail: (222) [system] atomic(_39186)
   Call: (222) [system] atom_chars(_39186, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _94332)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _96190)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _110344)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _114134)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _94332=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _6238=['B']
   Exit: (219) [system] ['B']=['B']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (218) [system] _5518=['A', 'B']
   Exit: (218) [system] ['A', 'B']=['A', 'B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (217) [system] _5510=['AndLink', 'A', 'B']
   Exit: (217) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _128016)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _129874)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _137612)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _140316)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _155394)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (216) [system] 'C'=')'
   Fail: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
   Fail: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _160964)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _162822)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'=(;)
   Fail: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Fail: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Fail: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Fail: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
   Fail: (219) [system] char_type('C', cntrl)
^  Fail: (218) [user] is_like_space('C')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _176976)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'='('
   Fail: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Fail: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Fail: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Fail: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Fail: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Fail: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Fail: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _160964)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _194618)
   Call: (219) [system] peek_char((0x558d99e6bec0), _195552)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_200272, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _194618=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (218) [user] classify_and_convert_charseq('C', [], _160964)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_206734, _206736), once(user:catch(read_from_chars(['C'], _160964), _206710, fail)), '$restore_trace'(_206734, _206736))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_206734, _206736))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _160964), _206710, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_160964)
   Fail: (219) [system] atomic(_160964)
   Call: (219) [system] atom_chars(_160964, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _216110)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _217968)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _232122)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _235912)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _216110=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _128016=['C']
   Exit: (216) [system] ['C']=['C']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (215) [system] _5506=[['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (214) [system] _5498=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _249794)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _251652)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _259390)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _262094)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _277172)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _282742)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _284600)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _298754)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _282742)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _304324)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _318478)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _324048)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _325906)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _340060)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _324048)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _357702)
   Call: (218) [system] peek_char((0x558d99e6bec0), _358636)
   Exit: (218) [system] peek_char((0x558d99e6bec0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_363356, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_364288, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x558d99e6bec0), r)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _371638)
   Call: (219) [system] peek_char((0x558d99e6bec0), _372572)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_377292, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_378224, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _385574)
   Call: (220) [system] peek_char((0x558d99e6bec0), _386508)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_391228, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_392160, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _399510)
   Call: (221) [system] peek_char((0x558d99e6bec0), _400444)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_405164, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_406096, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _413446)
   Call: (222) [system] peek_char((0x558d99e6bec0), _414380)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_419100, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_420032, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _427382)
   Call: (223) [system] peek_char((0x558d99e6bec0), _428316)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _427382=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _413446=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _399510=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _385574=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _371638=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _357702=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _324048)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_451596, _451598), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _324048), _451572, fail)), '$restore_trace'(_451596, _451598))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_451596, _451598))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _324048), _451572, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_324048)
   Fail: (218) [system] atomic(_324048)
   Call: (218) [system] atom_chars(_324048, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _460972)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _462830)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _470568)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _473272)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _488350)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _493920)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _495778)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _509932)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _493920)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _515502)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _529656)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _535226)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _537084)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _551238)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _535226)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _568880)
   Call: (221) [system] peek_char((0x558d99e6bec0), _569814)
   Exit: (221) [system] peek_char((0x558d99e6bec0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_574534, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_575466, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x558d99e6bec0), m)
   Exit: (221) [system] get_char((0x558d99e6bec0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _582816)
   Call: (222) [system] peek_char((0x558d99e6bec0), _583750)
   Exit: (222) [system] peek_char((0x558d99e6bec0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_588470, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_589402, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x558d99e6bec0), p)
   Exit: (222) [system] get_char((0x558d99e6bec0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _596752)
   Call: (223) [system] peek_char((0x558d99e6bec0), _597686)
   Exit: (223) [system] peek_char((0x558d99e6bec0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_602406, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_603338, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x558d99e6bec0), l)
   Exit: (223) [system] get_char((0x558d99e6bec0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _610688)
   Call: (224) [system] peek_char((0x558d99e6bec0), _611622)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_616342, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_617274, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _624624)
   Call: (225) [system] peek_char((0x558d99e6bec0), _625558)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_630278, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_631210, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _638560)
   Call: (226) [system] peek_char((0x558d99e6bec0), _639494)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_644214, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_645146, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x558d99e6bec0), a)
   Exit: (226) [system] get_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _652496)
   Call: (227) [system] peek_char((0x558d99e6bec0), _653430)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_658150, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_659082, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _666432)
   Call: (228) [system] peek_char((0x558d99e6bec0), _667366)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_672086, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_673018, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _680368)
   Call: (229) [system] peek_char((0x558d99e6bec0), _681302)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_686022, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_686954, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _694304)
   Call: (230) [system] peek_char((0x558d99e6bec0), _695238)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_699958, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_700890, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _708240)
   Call: (231) [system] peek_char((0x558d99e6bec0), _709174)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _708240=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _694304=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (229) [system] _680368=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (228) [system] _666432=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (227) [system] _652496=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (226) [system] _638560=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (225) [system] _624624=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (224) [system] _610688=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (223) [system] _596752=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _582816=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _568880=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _535226)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_746424, _746426), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _535226), _746400, fail)), '$restore_trace'(_746424, _746426))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_746424, _746426))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _535226), _746400, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_535226)
   Fail: (221) [system] atomic(_535226)
   Call: (221) [system] atom_chars(_535226, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _755800)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _757658)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _765396)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _768100)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _783178)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _788748)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _790606)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _804760)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _788748)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _810330)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _824484)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _830054)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _831912)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _846066)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _830054)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _863708)
   Call: (224) [system] peek_char((0x558d99e6bec0), _864642)
   Exit: (224) [system] peek_char((0x558d99e6bec0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_869362, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_870294, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x558d99e6bec0), r)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _877644)
   Call: (225) [system] peek_char((0x558d99e6bec0), _878578)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_883298, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_884230, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _891580)
   Call: (226) [system] peek_char((0x558d99e6bec0), _892514)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_897234, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_898166, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _905516)
   Call: (227) [system] peek_char((0x558d99e6bec0), _906450)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_911170, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_912102, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _919452)
   Call: (228) [system] peek_char((0x558d99e6bec0), _920386)
   Exit: (228) [system] peek_char((0x558d99e6bec0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_925106, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_926038, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x558d99e6bec0), k)
   Exit: (228) [system] get_char((0x558d99e6bec0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _933388)
   Call: (229) [system] peek_char((0x558d99e6bec0), _934322)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _933388=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _919452=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (227) [system] _905516=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (226) [system] _891580=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (225) [system] _877644=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (224) [system] _863708=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _830054)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_957602, _957604), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _830054), _957578, fail)), '$restore_trace'(_957602, _957604))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_957602, _957604))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _830054), _957578, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_830054)
   Fail: (224) [system] atomic(_830054)
   Call: (224) [system] atom_chars(_830054, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _966978)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _968836)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _976574)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _979278)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _994356)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _999926)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1001784)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1015938)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _999926)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1033580)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1034514)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1033580=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('C', [], _999926)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1043824, _1043826), once(user:catch(read_from_chars(['C'], _999926), _1043800, fail)), '$restore_trace'(_1043824, _1043826))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1043824, _1043826))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _999926), _1043800, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_999926)
   Fail: (225) [system] atomic(_999926)
   Call: (225) [system] atom_chars(_999926, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1053200)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1055058)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1062796)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1065500)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1080578)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=')'
   Fail: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
   Fail: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1086148)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1088006)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=(;)
   Fail: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Fail: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Fail: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Fail: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
   Fail: (226) [system] char_type('D', cntrl)
^  Fail: (225) [user] is_like_space('D')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1102160)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'='('
   Fail: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Fail: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Fail: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Fail: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Fail: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Fail: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Fail: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1086148)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1119802)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1120736)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1125456, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1119802=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('D', [], _1086148)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1131918, _1131920), once(user:catch(read_from_chars(['D'], _1086148), _1131894, fail)), '$restore_trace'(_1131918, _1131920))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1131918, _1131920))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1086148), _1131894, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1086148)
   Fail: (226) [system] atomic(_1086148)
   Call: (226) [system] atom_chars(_1086148, ['D'])
   Exit: (226) [system] atom_chars('D', ['D'])
^  Exit: (225) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1141294)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1143152)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1157306)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _1161096)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _1141294=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1053200=['D']
   Exit: (223) [system] ['D']=['D']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (222) [system] _966978=['C', 'D']
   Exit: (222) [system] ['C', 'D']=['C', 'D']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (221) [system] _788748=['OrLink', 'C', 'D']
   Exit: (221) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1174978)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1176836)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1184574)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1187278)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (222) [system] 'E'=(;)
   Fail: (222) [system] 'E'=(;)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Fail: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Fail: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Fail: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
   Fail: (223) [system] char_type('E', cntrl)
^  Fail: (222) [user] is_like_space('E')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1202356)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (220) [system] 'E'=')'
   Fail: (220) [system] 'E'=')'
   Call: (220) [system] 'E'=end_of_file
   Fail: (220) [system] 'E'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1207926)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1209784)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (222) [system] 'E'=(;)
   Fail: (222) [system] 'E'=(;)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Fail: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Fail: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Fail: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
   Fail: (223) [system] char_type('E', cntrl)
^  Fail: (222) [user] is_like_space('E')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1223938)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'E')
   Call: (221) [system] 'E'='('
   Fail: (221) [system] 'E'='('
   Call: (221) [system] 'E'='['
   Fail: (221) [system] 'E'='['
   Call: (221) [system] 'E'='{'
   Fail: (221) [system] 'E'='{'
   Call: (221) [system] 'E'='"'
   Fail: (221) [system] 'E'='"'
   Call: (221) [system] 'E'=!
   Fail: (221) [system] 'E'=!
   Call: (221) [system] 'E'='\''
   Fail: (221) [system] 'E'='\''
   Call: (221) [system] 'E'='`'
   Fail: (221) [system] 'E'='`'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1207926)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1241580)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1242514)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1247234, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1241580=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('E', [], _1207926)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1253696, _1253698), once(user:catch(read_from_chars(['E'], _1207926), _1253672, fail)), '$restore_trace'(_1253696, _1253698))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1253696, _1253698))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1207926), _1253672, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1207926)
   Fail: (223) [system] atomic(_1207926)
   Call: (223) [system] atom_chars(_1207926, ['E'])
   Exit: (223) [system] atom_chars('E', ['E'])
^  Exit: (222) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1263072)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1264930)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1279084)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _1282874)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _1263072=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1174978=['E']
   Exit: (220) [system] ['E']=['E']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (219) [system] _755800=[['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (218) [system] _493920=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1296756)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1298614)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1306352)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1309056)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1324134)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1329704)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1331562)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1345716)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1329704)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1351286)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1365440)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1371010)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1372868)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1387022)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1371010)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1404664)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1405598)
   Exit: (222) [system] peek_char((0x558d99e6bec0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1410318, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1411250, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x558d99e6bec0), m)
   Exit: (222) [system] get_char((0x558d99e6bec0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1418600)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1419534)
   Exit: (223) [system] peek_char((0x558d99e6bec0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1424254, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1425186, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x558d99e6bec0), p)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1432536)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1433470)
   Exit: (224) [system] peek_char((0x558d99e6bec0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1438190, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1439122, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x558d99e6bec0), l)
   Exit: (224) [system] get_char((0x558d99e6bec0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1446472)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1447406)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1452126, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1453058, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1460408)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1461342)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1466062, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1466994, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1474344)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1475278)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1479998, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1480930, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x558d99e6bec0), a)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1488280)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1489214)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1493934, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1494866, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1502216)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1503150)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1507870, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1508802, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1516152)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1517086)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1521806, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1522738, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1530088)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1531022)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1535742, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1536674, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1544024)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1544958)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1544024=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1530088=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _1516152=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _1502216=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _1488280=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _1474344=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (226) [system] _1460408=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (225) [system] _1446472=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1432536=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1418600=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1404664=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1371010)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1582208, _1582210), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1371010), _1582184, fail)), '$restore_trace'(_1582208, _1582210))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1582208, _1582210))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1371010), _1582184, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1371010)
   Fail: (222) [system] atomic(_1371010)
   Call: (222) [system] atom_chars(_1371010, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1591584)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1593442)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1601180)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1603884)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1618962)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1624532)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1626390)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1640544)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1624532)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1646114)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1660268)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1665838)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1667696)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1681850)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1665838)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1699492)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1700426)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1705146, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1706078, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1713428)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1714362)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1719082, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1720014, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1727364)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1728298)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1733018, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1733950, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1741300)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1742234)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1746954, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1747886, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1755236)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1756170)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1760890, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1761822, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1769172)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1770106)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1774826, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1775758, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1783108)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1784042)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1783108=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1769172=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _1755236=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _1741300=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _1727364=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _1713428=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (225) [system] _1699492=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1665838)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1810116, _1810118), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1665838), _1810092, fail)), '$restore_trace'(_1810116, _1810118))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1810116, _1810118))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1665838), _1810092, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1665838)
   Fail: (225) [system] atomic(_1665838)
   Call: (225) [system] atom_chars(_1665838, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1819492)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1821350)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1829088)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1831792)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1846870)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1852440)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1854298)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1868452)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1852440)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1886094)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1887028)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1886094=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _1852440)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1896338, _1896340), once(user:catch(read_from_chars(['A'], _1852440), _1896314, fail)), '$restore_trace'(_1896338, _1896340))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1896338, _1896340))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1852440), _1896314, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1852440)
   Fail: (226) [system] atomic(_1852440)
   Call: (226) [system] atom_chars(_1852440, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1905714)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1907572)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1915310)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1918014)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1933092)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1938662)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1940520)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1954674)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1938662)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1972316)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1973250)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1977970, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1972316=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _1938662)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1984432, _1984434), once(user:catch(read_from_chars(['B'], _1938662), _1984408, fail)), '$restore_trace'(_1984432, _1984434))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1984432, _1984434))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1938662), _1984408, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1938662)
   Fail: (227) [system] atomic(_1938662)
   Call: (227) [system] atom_chars(_1938662, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1993808)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1995666)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2009820)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _2013610)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _1993808=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1905714=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (223) [system] _1819492=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (222) [system] _1624532=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _2027492)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2029350)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _2037088)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2039792)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _2054870)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _2060440)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2062298)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _2076452)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _2060440)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2094094)
   Call: (224) [system] peek_char((0x558d99e6bec0), _2095028)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_8450, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _5634=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _5630)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_14912, _14914), once(user:catch(read_from_chars(['C'], _5630), _14888, fail)), '$restore_trace'(_14912, _14914))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_14912, _14914))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _5630), _14888, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_5630)
   Fail: (224) [system] atomic(_5630)
   Call: (224) [system] atom_chars(_5630, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _24288)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _26146)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _40300)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _44090)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _24288=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _5626=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (220) [system] _5602=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5594=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _57972)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _59830)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _73984)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _77774)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _57972=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _5590=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5548=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5540=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _91656)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _93514)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _107668)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _111458)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _91656=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _5536=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5494=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5486=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _125340)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _127198)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=(;)
   Fail: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Fail: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Fail: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Fail: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
   Fail: (212) [system] char_type(')', cntrl)
^  Fail: (211) [user] is_like_space(')')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _141352)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x558d99e6bec0), _145142)
   Exit: (210) [system] get_char((0x558d99e6bec0), ')')
   Call: (210) [system] _125340=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (209) [system] _5482=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (209) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (208) [system] _5440=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (208) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (207) [system] _5432=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (207) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (206) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (205) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (205) [user] read_list(')', (0x558d99e6bec0), _159024)
^  Call: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _160882)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (207) [system] '\n'=(;)
   Fail: (207) [system] '\n'=(;)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Fail: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x558d99e6bec0), _170476)
   Exit: (207) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _173180)
   Exit: (208) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (208) [system] ' '=(;)
   Fail: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x558d99e6bec0), _180918)
   Exit: (208) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _183622)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (206) [user] skip_spaces((0x558d99e6bec0))
   Call: (206) [system] peek_char((0x558d99e6bec0), _199624)
   Exit: (206) [system] peek_char((0x558d99e6bec0), '(')
   Call: (206) [system] '('=')'
   Fail: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
   Fail: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x558d99e6bec0), _205194)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _207052)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=(;)
   Fail: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Fail: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Fail: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Fail: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
   Fail: (209) [system] char_type('(', cntrl)
^  Fail: (208) [user] is_like_space('(')
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] get_char((0x558d99e6bec0), _221206)
   Exit: (207) [system] get_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _205194)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _226776)
   Exit: (209) [system] peek_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)=(;)
   Fail: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Fail: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Fail: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Fail: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
   Fail: (210) [system] char_type(:, cntrl)
^  Fail: (209) [user] is_like_space(:)
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _240930)
   Exit: (208) [system] peek_char((0x558d99e6bec0), :)
   Call: (208) [system] (:)=')'
   Fail: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
   Fail: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _246500)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _248358)
   Exit: (210) [system] peek_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _262512)
   Exit: (209) [system] get_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)='('
   Fail: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Fail: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Fail: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Fail: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Fail: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Fail: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Fail: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x558d99e6bec0), :, _246500)
^  Call: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), _280154)
   Call: (211) [system] peek_char((0x558d99e6bec0), _281088)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _280154=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (210) [user] classify_and_convert_charseq(:, [], _246500)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_290398, _290400), once(user:catch(read_from_chars([:], _246500), _290374, fail)), '$restore_trace'(_290398, _290400))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_290398, _290400))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _290374, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (209) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _297898)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _299756)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _307494)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _310198)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _325276)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _330846)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _332704)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _346858)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _330846)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _352428)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=(;)
   Fail: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Fail: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Fail: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Fail: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
   Fail: (213) [system] char_type('D', cntrl)
^  Fail: (212) [user] is_like_space('D')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _366582)
   Exit: (211) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (211) [system] 'D'=')'
   Fail: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
   Fail: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _372152)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _374010)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _388164)
   Exit: (212) [system] get_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'='('
   Fail: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Fail: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Fail: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Fail: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Fail: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Fail: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Fail: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _372152)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _405806)
   Call: (214) [system] peek_char((0x558d99e6bec0), _406740)
   Exit: (214) [system] peek_char((0x558d99e6bec0), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Fail: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_411460, v('(', ')', end_of_file), i)
   Fail: (215) [system] arg(_412392, v('(', ')', end_of_file), i)
^  Fail: (214) [user] is_delimiter(i)
   Call: (214) [system] ')'==i
   Fail: (214) [system] ')'==i
   Call: (214) [system] get_char((0x558d99e6bec0), i)
   Exit: (214) [system] get_char((0x558d99e6bec0), i)
   Call: (214) [system] i=(\)
   Fail: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _419742)
   Call: (215) [system] peek_char((0x558d99e6bec0), _420676)
   Exit: (215) [system] peek_char((0x558d99e6bec0), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Fail: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_425396, v('(', ')', end_of_file), s)
   Fail: (216) [system] arg(_426328, v('(', ')', end_of_file), s)
^  Fail: (215) [user] is_delimiter(s)
   Call: (215) [system] ')'==s
   Fail: (215) [system] ')'==s
   Call: (215) [system] get_char((0x558d99e6bec0), s)
   Exit: (215) [system] get_char((0x558d99e6bec0), s)
   Call: (215) [system] s=(\)
   Fail: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _433678)
   Call: (216) [system] peek_char((0x558d99e6bec0), _434612)
   Exit: (216) [system] peek_char((0x558d99e6bec0), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Fail: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_439332, v('(', ')', end_of_file), j)
   Fail: (217) [system] arg(_440264, v('(', ')', end_of_file), j)
^  Fail: (216) [user] is_delimiter(j)
   Call: (216) [system] ')'==j
   Fail: (216) [system] ')'==j
   Call: (216) [system] get_char((0x558d99e6bec0), j)
   Exit: (216) [system] get_char((0x558d99e6bec0), j)
   Call: (216) [system] j=(\)
   Fail: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _447614)
   Call: (217) [system] peek_char((0x558d99e6bec0), _448548)
   Exit: (217) [system] peek_char((0x558d99e6bec0), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Fail: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_453268, v('(', ')', end_of_file), u)
   Fail: (218) [system] arg(_454200, v('(', ')', end_of_file), u)
^  Fail: (217) [user] is_delimiter(u)
   Call: (217) [system] ')'==u
   Fail: (217) [system] ')'==u
   Call: (217) [system] get_char((0x558d99e6bec0), u)
   Exit: (217) [system] get_char((0x558d99e6bec0), u)
   Call: (217) [system] u=(\)
   Fail: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _461550)
   Call: (218) [system] peek_char((0x558d99e6bec0), _462484)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_467204, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_468136, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _475486)
   Call: (219) [system] peek_char((0x558d99e6bec0), _476420)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_481140, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_482072, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _489422)
   Call: (220) [system] peek_char((0x558d99e6bec0), _490356)
   Exit: (220) [system] peek_char((0x558d99e6bec0), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Fail: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_495076, v('(', ')', end_of_file), t)
   Fail: (221) [system] arg(_496008, v('(', ')', end_of_file), t)
^  Fail: (220) [user] is_delimiter(t)
   Call: (220) [system] ')'==t
   Fail: (220) [system] ')'==t
   Call: (220) [system] get_char((0x558d99e6bec0), t)
   Exit: (220) [system] get_char((0x558d99e6bec0), t)
   Call: (220) [system] t=(\)
   Fail: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _503358)
   Call: (221) [system] peek_char((0x558d99e6bec0), _504292)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_509012, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_509944, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _517294)
   Call: (222) [system] peek_char((0x558d99e6bec0), _518228)
   Exit: (222) [system] peek_char((0x558d99e6bec0), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Fail: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_522948, v('(', ')', end_of_file), o)
   Fail: (223) [system] arg(_523880, v('(', ')', end_of_file), o)
^  Fail: (222) [user] is_delimiter(o)
   Call: (222) [system] ')'==o
   Fail: (222) [system] ')'==o
   Call: (222) [system] get_char((0x558d99e6bec0), o)
   Exit: (222) [system] get_char((0x558d99e6bec0), o)
   Call: (222) [system] o=(\)
   Fail: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _531230)
   Call: (223) [system] peek_char((0x558d99e6bec0), _532164)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_536884, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_537816, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _545166)
   Call: (224) [system] peek_char((0x558d99e6bec0), _546100)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_550820, v('(', ')', end_of_file), 'I')
   Fail: (225) [system] arg(_551752, v('(', ')', end_of_file), 'I')
^  Fail: (224) [user] is_delimiter('I')
   Call: (224) [system] ')'=='I'
   Fail: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(\)
   Fail: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _559102)
   Call: (225) [system] peek_char((0x558d99e6bec0), _560036)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_564756, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_565688, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _573038)
   Call: (226) [system] peek_char((0x558d99e6bec0), _573972)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_578692, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_579624, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _586974)
   Call: (227) [system] peek_char((0x558d99e6bec0), _587908)
   Exit: (227) [system] peek_char((0x558d99e6bec0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_592628, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_593560, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x558d99e6bec0), r)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _600910)
   Call: (228) [system] peek_char((0x558d99e6bec0), _601844)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_606564, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_607496, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _614846)
   Call: (229) [system] peek_char((0x558d99e6bec0), _615780)
   Exit: (229) [system] peek_char((0x558d99e6bec0), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Fail: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_620500, v('(', ')', end_of_file), d)
   Fail: (230) [system] arg(_621432, v('(', ')', end_of_file), d)
^  Fail: (229) [user] is_delimiter(d)
   Call: (229) [system] ')'==d
   Fail: (229) [system] ')'==d
   Call: (229) [system] get_char((0x558d99e6bec0), d)
   Exit: (229) [system] get_char((0x558d99e6bec0), d)
   Call: (229) [system] d=(\)
   Fail: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _628782)
   Call: (230) [system] peek_char((0x558d99e6bec0), _629716)
   Exit: (230) [system] peek_char((0x558d99e6bec0), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Fail: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_634436, v('(', ')', end_of_file), u)
   Fail: (231) [system] arg(_635368, v('(', ')', end_of_file), u)
^  Fail: (230) [user] is_delimiter(u)
   Call: (230) [system] ')'==u
   Fail: (230) [system] ')'==u
   Call: (230) [system] get_char((0x558d99e6bec0), u)
   Exit: (230) [system] get_char((0x558d99e6bec0), u)
   Call: (230) [system] u=(\)
   Fail: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _642718)
   Call: (231) [system] peek_char((0x558d99e6bec0), _643652)
   Exit: (231) [system] peek_char((0x558d99e6bec0), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Fail: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_648372, v('(', ')', end_of_file), c)
   Fail: (232) [system] arg(_649304, v('(', ')', end_of_file), c)
^  Fail: (231) [user] is_delimiter(c)
   Call: (231) [system] ')'==c
   Fail: (231) [system] ')'==c
   Call: (231) [system] get_char((0x558d99e6bec0), c)
   Exit: (231) [system] get_char((0x558d99e6bec0), c)
   Call: (231) [system] c=(\)
   Fail: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _656654)
   Call: (232) [system] peek_char((0x558d99e6bec0), _657588)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_662308, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_663240, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _670590)
   Call: (233) [system] peek_char((0x558d99e6bec0), _671524)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_676244, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_677176, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _684526)
   Call: (234) [system] peek_char((0x558d99e6bec0), _685460)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_690180, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_691112, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _698462)
   Call: (235) [system] peek_char((0x558d99e6bec0), _699396)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_704116, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_705048, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _712398)
   Call: (236) [system] peek_char((0x558d99e6bec0), _713332)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _712398=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _698462=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (234) [system] _684526=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (233) [system] _670590=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (232) [system] _656654=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (231) [system] _642718=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (230) [system] _628782=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (229) [system] _614846=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (228) [system] _600910=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _586974=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _573038=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _559102=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _545166=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _531230=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _517294=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _503358=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _489422=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _475486=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _461550=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _447614=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _433678=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _419742=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _405806=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372152)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_784110, _784112), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372152), _784086, fail)), '$restore_trace'(_784110, _784112))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_784110, _784112))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _372152), _784086, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_372152)
   Fail: (214) [system] atomic(_372152)
   Call: (214) [system] atom_chars(_372152, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _793486)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _795344)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _803082)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _805786)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _820864)
   Exit: (212) [system] peek_char((0x558d99e6bec0), a)
   Call: (212) [system] a=')'
   Fail: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
   Fail: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _826434)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _828292)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=(;)
   Fail: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Fail: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Fail: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Fail: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
   Fail: (215) [system] char_type(a, cntrl)
^  Fail: (214) [user] is_like_space(a)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _842446)
   Exit: (213) [system] get_char((0x558d99e6bec0), a)
   Call: (213) [system] a='('
   Fail: (213) [system] a='('
   Call: (213) [system] a='['
   Fail: (213) [system] a='['
   Call: (213) [system] a='{'
   Fail: (213) [system] a='{'
   Call: (213) [system] a='"'
   Fail: (213) [system] a='"'
   Call: (213) [system] a=!
   Fail: (213) [system] a=!
   Call: (213) [system] a='\''
   Fail: (213) [system] a='\''
   Call: (213) [system] a='`'
   Fail: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, _826434)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _860088)
   Call: (215) [system] peek_char((0x558d99e6bec0), _861022)
   Exit: (215) [system] peek_char((0x558d99e6bec0), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Fail: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_865742, v('(', ')', end_of_file), b)
   Fail: (216) [system] arg(_866674, v('(', ')', end_of_file), b)
^  Fail: (215) [user] is_delimiter(b)
   Call: (215) [system] ')'==b
   Fail: (215) [system] ')'==b
   Call: (215) [system] get_char((0x558d99e6bec0), b)
   Exit: (215) [system] get_char((0x558d99e6bec0), b)
   Call: (215) [system] b=(\)
   Fail: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _874024)
   Call: (216) [system] peek_char((0x558d99e6bec0), _874958)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Fail: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_879678, v('(', ')', end_of_file), c)
   Fail: (217) [system] arg(_880610, v('(', ')', end_of_file), c)
^  Fail: (216) [user] is_delimiter(c)
   Call: (216) [system] ')'==c
   Fail: (216) [system] ')'==c
   Call: (216) [system] get_char((0x558d99e6bec0), c)
   Exit: (216) [system] get_char((0x558d99e6bec0), c)
   Call: (216) [system] c=(\)
   Fail: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _887960)
   Call: (217) [system] peek_char((0x558d99e6bec0), _888894)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _887960=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (216) [system] _874024=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (215) [system] _860088=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (214) [user] classify_and_convert_charseq(a, [b, c], _826434)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_903792, _903794), once(user:catch(read_from_chars([a, b, c], _826434), _903768, fail)), '$restore_trace'(_903792, _903794))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_903792, _903794))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _903768, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _911292)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _913150)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _920888)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _923592)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _938670)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _944240)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _946098)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _960252)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _944240)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _965822)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _979976)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _985546)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _987404)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1001558)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _985546)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1019200)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1020134)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1024854, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1025786, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1033136)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1034070)
   Exit: (219) [system] peek_char((0x558d99e6bec0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_1038790, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_1039722, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x558d99e6bec0), s)
   Exit: (219) [system] get_char((0x558d99e6bec0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1047072)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1048006)
   Exit: (220) [system] peek_char((0x558d99e6bec0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_1052726, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_1053658, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x558d99e6bec0), j)
   Exit: (220) [system] get_char((0x558d99e6bec0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1061008)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1061942)
   Exit: (221) [system] peek_char((0x558d99e6bec0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1066662, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1067594, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x558d99e6bec0), u)
   Exit: (221) [system] get_char((0x558d99e6bec0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1074944)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1075878)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1080598, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1081530, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1088880)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1089814)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1094534, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1095466, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1102816)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1103750)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1108470, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1109402, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1116752)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1117686)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1122406, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1123338, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1130688)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1131622)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1136342, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1137274, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1144624)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1145558)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1150278, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1151210, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1158560)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1159494)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_1164214, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_1165146, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1172496)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1173430)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1178150, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1179082, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1186432)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1187366)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1192086, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1193018, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1200368)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1201302)
   Exit: (231) [system] peek_char((0x558d99e6bec0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1206022, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1206954, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x558d99e6bec0), r)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1214304)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1215238)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1219958, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1220890, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1228240)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1229174)
   Exit: (233) [system] peek_char((0x558d99e6bec0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_1233894, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_1234826, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x558d99e6bec0), d)
   Exit: (233) [system] get_char((0x558d99e6bec0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1242176)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1243110)
   Exit: (234) [system] peek_char((0x558d99e6bec0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1247830, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_1248762, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x558d99e6bec0), u)
   Exit: (234) [system] get_char((0x558d99e6bec0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1256112)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1257046)
   Exit: (235) [system] peek_char((0x558d99e6bec0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1261766, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_1262698, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x558d99e6bec0), c)
   Exit: (235) [system] get_char((0x558d99e6bec0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1270048)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1270982)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1275702, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1276634, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1283984)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1284918)
   Exit: (237) [system] peek_char((0x558d99e6bec0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1289638, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_1290570, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x558d99e6bec0), i)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1297920)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1298854)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1303574, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1304506, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1311856)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1312790)
   Exit: (239) [system] peek_char((0x558d99e6bec0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1317510, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_1318442, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x558d99e6bec0), n)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1325792)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1326726)
   Exit: (240) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1325792=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (239) [system] _1311856=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (238) [system] _1297920=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (237) [system] _1283984=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (236) [system] _1270048=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (235) [system] _1256112=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (234) [system] _1242176=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (233) [system] _1228240=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (232) [system] _1214304=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _1200368=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1186432=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1172496=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1158560=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1144624=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1130688=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1116752=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1102816=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1088880=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1074944=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1061008=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1047072=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1033136=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1019200=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _985546)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1397504, _1397506), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _985546), _1397480, fail)), '$restore_trace'(_1397504, _1397506))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1397504, _1397506))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _985546), _1397480, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_985546)
   Fail: (218) [system] atomic(_985546)
   Call: (218) [system] atom_chars(_985546, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1406880)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1408738)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1416476)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1419180)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1434258)
   Exit: (216) [system] peek_char((0x558d99e6bec0), c)
   Call: (216) [system] c=')'
   Fail: (216) [system] c=')'
   Call: (216) [system] c=end_of_file
   Fail: (216) [system] c=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1439828)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1441686)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(;)
   Fail: (218) [system] c=(;)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Fail: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Fail: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
   Fail: (219) [system] char_type(c, cntrl)
^  Fail: (218) [user] is_like_space(c)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1455840)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c='('
   Fail: (217) [system] c='('
   Call: (217) [system] c='['
   Fail: (217) [system] c='['
   Call: (217) [system] c='{'
   Fail: (217) [system] c='{'
   Call: (217) [system] c='"'
   Fail: (217) [system] c='"'
   Call: (217) [system] c=!
   Fail: (217) [system] c=!
   Call: (217) [system] c='\''
   Fail: (217) [system] c='\''
   Call: (217) [system] c='`'
   Fail: (217) [system] c='`'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), c, _1439828)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1473482)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1474416)
   Exit: (219) [system] peek_char((0x558d99e6bec0), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Fail: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1479136, v('(', ')', end_of_file), d)
   Fail: (220) [system] arg(_1480068, v('(', ')', end_of_file), d)
^  Fail: (219) [user] is_delimiter(d)
   Call: (219) [system] ')'==d
   Fail: (219) [system] ')'==d
   Call: (219) [system] get_char((0x558d99e6bec0), d)
   Exit: (219) [system] get_char((0x558d99e6bec0), d)
   Call: (219) [system] d=(\)
   Fail: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1487418)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1488352)
   Exit: (220) [system] peek_char((0x558d99e6bec0), e)
^  Call: (220) [user] is_delimiter(e)
   Call: (221) [system] char_type(e, space)
   Fail: (221) [system] char_type(e, space)
   Call: (221) [system] arg(_1493072, v('(', ')', end_of_file), e)
   Fail: (221) [system] arg(_1494004, v('(', ')', end_of_file), e)
^  Fail: (220) [user] is_delimiter(e)
   Call: (220) [system] ')'==e
   Fail: (220) [system] ')'==e
   Call: (220) [system] get_char((0x558d99e6bec0), e)
   Exit: (220) [system] get_char((0x558d99e6bec0), e)
   Call: (220) [system] e=(\)
   Fail: (220) [system] e=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1501354)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1502288)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1501354=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1487418=[e]
   Exit: (220) [system] [e]=[e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (219) [system] _1473482=[d, e]
   Exit: (219) [system] [d, e]=[d, e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (218) [user] classify_and_convert_charseq(c, [d, e], _1439828)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1517186, _1517188), once(user:catch(read_from_chars([c, d, e], _1439828), _1517162, fail)), '$restore_trace'(_1517186, _1517188))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1517186, _1517188))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1517162, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(cde)
   Exit: (219) [system] atomic(cde)
^  Exit: (218) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1524686)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1526544)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1534282)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1536986)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1552064)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1557634)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1559492)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1573646)
   Exit: (218) [system] get_char((0x558d99e6bec0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), a, _1557634)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1591288)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1592222)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1596942, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1591288=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq(a, [], _1557634)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1603404, _1603406), once(user:catch(read_from_chars([a], _1557634), _1603380, fail)), '$restore_trace'(_1603404, _1603406))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1603404, _1603406))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1603380, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(a)
   Exit: (220) [system] atomic(a)
^  Exit: (219) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1610904)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1612762)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1626916)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _1630706)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _1610904=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _1524686=[a]
   Exit: (217) [system] [a]=[a]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (216) [system] _1406880=[cde, a]
   Exit: (216) [system] [cde, a]=[cde, a]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [cde, a])
   Call: (215) [system] _944240=['DisjunctionIntroduction', cde, a]
   Exit: (215) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1644588)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1646446)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1660600)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _1664390)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _1644588=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _911292=[['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, a]])
   Call: (212) [system] _793486=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (212) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (211) [system] _330846=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (211) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1678272)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1680130)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1687868)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1690572)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1705650)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1711220)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1713078)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1727232)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1711220)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1732802)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=(;)
   Fail: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Fail: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Fail: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Fail: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
   Fail: (214) [system] char_type('O', cntrl)
^  Fail: (213) [user] is_like_space('O')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1746956)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (212) [system] 'O'=')'
   Fail: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
   Fail: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1752526)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1754384)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1768538)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'='('
   Fail: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Fail: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Fail: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Fail: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Fail: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Fail: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Fail: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1752526)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1786180)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1787114)
   Exit: (215) [system] peek_char((0x558d99e6bec0), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Fail: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1791834, v('(', ')', end_of_file), r)
   Fail: (216) [system] arg(_1792766, v('(', ')', end_of_file), r)
^  Fail: (215) [user] is_delimiter(r)
   Call: (215) [system] ')'==r
   Fail: (215) [system] ')'==r
   Call: (215) [system] get_char((0x558d99e6bec0), r)
   Exit: (215) [system] get_char((0x558d99e6bec0), r)
   Call: (215) [system] r=(\)
   Fail: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1800116)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1801050)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Fail: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1805770, v('(', ')', end_of_file), 'L')
   Fail: (217) [system] arg(_1806702, v('(', ')', end_of_file), 'L')
^  Fail: (216) [user] is_delimiter('L')
   Call: (216) [system] ')'=='L'
   Fail: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (216) [system] get_char((0x558d99e6bec0), 'L')
   Call: (216) [system] 'L'=(\)
   Fail: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1814052)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1814986)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1819706, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_1820638, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1827988)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1828922)
   Exit: (218) [system] peek_char((0x558d99e6bec0), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Fail: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1833642, v('(', ')', end_of_file), n)
   Fail: (219) [system] arg(_1834574, v('(', ')', end_of_file), n)
^  Fail: (218) [user] is_delimiter(n)
   Call: (218) [system] ')'==n
   Fail: (218) [system] ')'==n
   Call: (218) [system] get_char((0x558d99e6bec0), n)
   Exit: (218) [system] get_char((0x558d99e6bec0), n)
   Call: (218) [system] n=(\)
   Fail: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1841924)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1842858)
   Exit: (219) [system] peek_char((0x558d99e6bec0), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Fail: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1847578, v('(', ')', end_of_file), k)
   Fail: (220) [system] arg(_1848510, v('(', ')', end_of_file), k)
^  Fail: (219) [user] is_delimiter(k)
   Call: (219) [system] ')'==k
   Fail: (219) [system] ')'==k
   Call: (219) [system] get_char((0x558d99e6bec0), k)
   Exit: (219) [system] get_char((0x558d99e6bec0), k)
   Call: (219) [system] k=(\)
   Fail: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1855860)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1856794)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1855860=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _1841924=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (218) [system] _1827988=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (217) [system] _1814052=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (216) [system] _1800116=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (215) [system] _1786180=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1752526)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1880074, _1880076), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1752526), _1880050, fail)), '$restore_trace'(_1880074, _1880076))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1880074, _1880076))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1752526), _1880050, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1752526)
   Fail: (215) [system] atomic(_1752526)
   Call: (215) [system] atom_chars(_1752526, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1889450)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1891308)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1899046)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1901750)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1916828)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1922398)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1924256)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1938410)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1922398)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1943980)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=(;)
   Fail: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Fail: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Fail: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Fail: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
   Fail: (217) [system] char_type('I', cntrl)
^  Fail: (216) [user] is_like_space('I')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1958134)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (215) [system] 'I'=')'
   Fail: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
   Fail: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1963704)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1965562)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1979716)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'='('
   Fail: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Fail: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Fail: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Fail: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Fail: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Fail: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Fail: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1963704)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1997358)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1998292)
   Exit: (218) [system] peek_char((0x558d99e6bec0), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Fail: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_2003012, v('(', ')', end_of_file), m)
   Fail: (219) [system] arg(_2003944, v('(', ')', end_of_file), m)
^  Fail: (218) [user] is_delimiter(m)
   Call: (218) [system] ')'==m
   Fail: (218) [system] ')'==m
   Call: (218) [system] get_char((0x558d99e6bec0), m)
   Exit: (218) [system] get_char((0x558d99e6bec0), m)
   Call: (218) [system] m=(\)
   Fail: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2011294)
   Call: (219) [system] peek_char((0x558d99e6bec0), _2012228)
   Exit: (219) [system] peek_char((0x558d99e6bec0), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Fail: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_2016948, v('(', ')', end_of_file), p)
   Fail: (220) [system] arg(_2017880, v('(', ')', end_of_file), p)
^  Fail: (219) [user] is_delimiter(p)
   Call: (219) [system] ')'==p
   Fail: (219) [system] ')'==p
   Call: (219) [system] get_char((0x558d99e6bec0), p)
   Exit: (219) [system] get_char((0x558d99e6bec0), p)
   Call: (219) [system] p=(\)
   Fail: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2025230)
   Call: (220) [system] peek_char((0x558d99e6bec0), _2026164)
   Exit: (220) [system] peek_char((0x558d99e6bec0), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Fail: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_2030884, v('(', ')', end_of_file), l)
   Fail: (221) [system] arg(_2031816, v('(', ')', end_of_file), l)
^  Fail: (220) [user] is_delimiter(l)
   Call: (220) [system] ')'==l
   Fail: (220) [system] ')'==l
   Call: (220) [system] get_char((0x558d99e6bec0), l)
   Exit: (220) [system] get_char((0x558d99e6bec0), l)
   Call: (220) [system] l=(\)
   Fail: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2039166)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2040100)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_2044820, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_2045752, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2053102)
   Call: (222) [system] peek_char((0x558d99e6bec0), _2054036)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_2058756, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_2059688, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2067038)
   Call: (223) [system] peek_char((0x558d99e6bec0), _2067972)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_2072692, v('(', ')', end_of_file), a)
   Fail: (224) [system] arg(_2073624, v('(', ')', end_of_file), a)
^  Fail: (223) [user] is_delimiter(a)
   Call: (223) [system] ')'==a
   Fail: (223) [system] ')'==a
   Call: (223) [system] get_char((0x558d99e6bec0), a)
   Exit: (223) [system] get_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(\)
   Fail: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2080974)
   Call: (224) [system] peek_char((0x558d99e6bec0), _2081908)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_2086628, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_2087560, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2094910)
   Call: (225) [system] peek_char((0x558d99e6bec0), _2095844)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_9466, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_10398, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _17748)
   Call: (226) [system] peek_char((0x558d99e6bec0), _18682)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_23402, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_24334, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _31684)
   Call: (227) [system] peek_char((0x558d99e6bec0), _32618)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_37338, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_38270, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _45620)
   Call: (228) [system] peek_char((0x558d99e6bec0), _46554)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _45620=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _31684=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (226) [system] _17748=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (225) [system] _5740=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (224) [system] _5736=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (223) [system] _5732=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (222) [system] _5728=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (221) [system] _5724=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (220) [system] _5720=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _5716=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _5712=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _5708)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_83804, _83806), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5708), _83780, fail)), '$restore_trace'(_83804, _83806))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_83804, _83806))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5708), _83780, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_5708)
   Fail: (218) [system] atomic(_5708)
   Call: (218) [system] atom_chars(_5708, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _93180)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _95038)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _102776)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _105480)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _120558)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _126128)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _127986)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _142140)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _126128)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _147710)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=(;)
   Fail: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Fail: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Fail: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Fail: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
   Fail: (220) [system] char_type('A', cntrl)
^  Fail: (219) [user] is_like_space('A')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _161864)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (218) [system] 'A'=')'
   Fail: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
   Fail: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _167434)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _169292)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _183446)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'='('
   Fail: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Fail: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Fail: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Fail: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Fail: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Fail: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Fail: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _167434)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _201088)
   Call: (221) [system] peek_char((0x558d99e6bec0), _202022)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_206742, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_207674, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _215024)
   Call: (222) [system] peek_char((0x558d99e6bec0), _215958)
   Exit: (222) [system] peek_char((0x558d99e6bec0), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Fail: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_220678, v('(', ')', end_of_file), d)
   Fail: (223) [system] arg(_221610, v('(', ')', end_of_file), d)
^  Fail: (222) [user] is_delimiter(d)
   Call: (222) [system] ')'==d
   Fail: (222) [system] ')'==d
   Call: (222) [system] get_char((0x558d99e6bec0), d)
   Exit: (222) [system] get_char((0x558d99e6bec0), d)
   Call: (222) [system] d=(\)
   Fail: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _228960)
   Call: (223) [system] peek_char((0x558d99e6bec0), _229894)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_234614, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_235546, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _242896)
   Call: (224) [system] peek_char((0x558d99e6bec0), _243830)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_248550, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_249482, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _256832)
   Call: (225) [system] peek_char((0x558d99e6bec0), _257766)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_262486, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_263418, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _270768)
   Call: (226) [system] peek_char((0x558d99e6bec0), _271702)
   Exit: (226) [system] peek_char((0x558d99e6bec0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_276422, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_277354, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x558d99e6bec0), k)
   Exit: (226) [system] get_char((0x558d99e6bec0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _284704)
   Call: (227) [system] peek_char((0x558d99e6bec0), _285638)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _284704=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _270768=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (225) [system] _256832=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (224) [system] _242896=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (223) [system] _228960=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (222) [system] _215024=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (221) [system] _201088=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _167434)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_311712, _311714), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _167434), _311688, fail)), '$restore_trace'(_311712, _311714))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_311712, _311714))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _167434), _311688, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_167434)
   Fail: (221) [system] atomic(_167434)
   Call: (221) [system] atom_chars(_167434, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _321088)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _322946)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _330684)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _333388)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _348466)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _354036)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _355894)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _370048)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _354036)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _387690)
   Call: (222) [system] peek_char((0x558d99e6bec0), _388624)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _387690=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _354036)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_397934, _397936), once(user:catch(read_from_chars(['A'], _354036), _397910, fail)), '$restore_trace'(_397934, _397936))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_397934, _397936))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _354036), _397910, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_354036)
   Fail: (222) [system] atomic(_354036)
   Call: (222) [system] atom_chars(_354036, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _407310)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _409168)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _416906)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _419610)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _434688)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=')'
   Fail: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
   Fail: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _440258)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _442116)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=(;)
   Fail: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Fail: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Fail: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Fail: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
   Fail: (223) [system] char_type('B', cntrl)
^  Fail: (222) [user] is_like_space('B')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _456270)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'='('
   Fail: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Fail: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Fail: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Fail: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Fail: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Fail: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Fail: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _440258)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _473912)
   Call: (223) [system] peek_char((0x558d99e6bec0), _474846)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_479566, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _473912=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _440258)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_486028, _486030), once(user:catch(read_from_chars(['B'], _440258), _486004, fail)), '$restore_trace'(_486028, _486030))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_486028, _486030))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _440258), _486004, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_440258)
   Fail: (223) [system] atomic(_440258)
   Call: (223) [system] atom_chars(_440258, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _495404)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _497262)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _511416)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _515206)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _495404=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _407310=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (219) [system] _321088=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (218) [system] _126128=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _529088)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _530946)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _538684)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _541388)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _556466)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (217) [system] 'C'=')'
   Fail: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
   Fail: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _562036)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _563894)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=(;)
   Fail: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Fail: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Fail: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Fail: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
   Fail: (220) [system] char_type('C', cntrl)
^  Fail: (219) [user] is_like_space('C')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _578048)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'='('
   Fail: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Fail: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Fail: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Fail: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Fail: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Fail: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Fail: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _562036)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _595690)
   Call: (220) [system] peek_char((0x558d99e6bec0), _596624)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_601344, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _595690=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _562036)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_607806, _607808), once(user:catch(read_from_chars(['C'], _562036), _607782, fail)), '$restore_trace'(_607806, _607808))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_607806, _607808))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _562036), _607782, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_562036)
   Fail: (220) [system] atomic(_562036)
   Call: (220) [system] atom_chars(_562036, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _617182)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _619040)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _633194)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _636984)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _617182=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _529088=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (216) [system] _93180=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _650866)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _652724)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _660462)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _663166)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _678244)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _683814)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _685672)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _699826)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _683814)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _705396)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _719550)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _725120)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _726978)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _741132)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _725120)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _758774)
   Call: (219) [system] peek_char((0x558d99e6bec0), _759708)
   Exit: (219) [system] peek_char((0x558d99e6bec0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_764428, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_765360, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x558d99e6bec0), r)
   Exit: (219) [system] get_char((0x558d99e6bec0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _772710)
   Call: (220) [system] peek_char((0x558d99e6bec0), _773644)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_778364, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_779296, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _786646)
   Call: (221) [system] peek_char((0x558d99e6bec0), _787580)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_792300, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_793232, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _800582)
   Call: (222) [system] peek_char((0x558d99e6bec0), _801516)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_806236, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_807168, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _814518)
   Call: (223) [system] peek_char((0x558d99e6bec0), _815452)
   Exit: (223) [system] peek_char((0x558d99e6bec0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_820172, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_821104, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x558d99e6bec0), k)
   Exit: (223) [system] get_char((0x558d99e6bec0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _828454)
   Call: (224) [system] peek_char((0x558d99e6bec0), _829388)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _828454=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _814518=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (222) [system] _800582=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (221) [system] _786646=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (220) [system] _772710=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (219) [system] _758774=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _725120)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_852668, _852670), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _725120), _852644, fail)), '$restore_trace'(_852668, _852670))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_852668, _852670))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _725120), _852644, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_725120)
   Fail: (219) [system] atomic(_725120)
   Call: (219) [system] atom_chars(_725120, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _862044)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _863902)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _871640)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _874344)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _889422)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _894992)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _896850)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _911004)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _894992)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _916574)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _930728)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _936298)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _938156)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _952310)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _936298)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _969952)
   Call: (222) [system] peek_char((0x558d99e6bec0), _970886)
   Exit: (222) [system] peek_char((0x558d99e6bec0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_975606, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_976538, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x558d99e6bec0), m)
   Exit: (222) [system] get_char((0x558d99e6bec0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _983888)
   Call: (223) [system] peek_char((0x558d99e6bec0), _984822)
   Exit: (223) [system] peek_char((0x558d99e6bec0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_989542, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_990474, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x558d99e6bec0), p)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _997824)
   Call: (224) [system] peek_char((0x558d99e6bec0), _998758)
   Exit: (224) [system] peek_char((0x558d99e6bec0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1003478, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1004410, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x558d99e6bec0), l)
   Exit: (224) [system] get_char((0x558d99e6bec0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1011760)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1012694)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1017414, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1018346, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1025696)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1026630)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1031350, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1032282, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039632)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1040566)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1045286, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1046218, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x558d99e6bec0), a)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053568)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1054502)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1059222, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1060154, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1067504)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1068438)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1073158, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1074090, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1081440)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1082374)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1087094, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1088026, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1095376)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1096310)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1101030, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1101962, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1109312)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1110246)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1109312=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1095376=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _1081440=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _1067504=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _1053568=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _1039632=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (226) [system] _1025696=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (225) [system] _1011760=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (224) [system] _997824=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _983888=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _969952=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _936298)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1147496, _1147498), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _936298), _1147472, fail)), '$restore_trace'(_1147496, _1147498))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1147496, _1147498))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _936298), _1147472, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_936298)
   Fail: (222) [system] atomic(_936298)
   Call: (222) [system] atom_chars(_936298, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1156872)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1158730)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1166468)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1169172)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1184250)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1189820)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1191678)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1205832)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1189820)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1211402)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1225556)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1231126)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1232984)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1247138)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1231126)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1264780)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1265714)
   Exit: (225) [system] peek_char((0x558d99e6bec0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1270434, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_1271366, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x558d99e6bec0), r)
   Exit: (225) [system] get_char((0x558d99e6bec0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1278716)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1279650)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1284370, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_1285302, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1292652)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1293586)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1298306, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1299238, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1306588)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1307522)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1312242, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1313174, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1320524)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1321458)
   Exit: (229) [system] peek_char((0x558d99e6bec0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1326178, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_1327110, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x558d99e6bec0), k)
   Exit: (229) [system] get_char((0x558d99e6bec0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334460)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1335394)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1334460=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _1320524=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (228) [system] _1306588=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (227) [system] _1292652=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (226) [system] _1278716=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (225) [system] _1264780=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1231126)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1358674, _1358676), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1231126), _1358650, fail)), '$restore_trace'(_1358674, _1358676))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1358674, _1358676))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1231126), _1358650, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1231126)
   Fail: (225) [system] atomic(_1231126)
   Call: (225) [system] atom_chars(_1231126, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1368050)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1369908)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1377646)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1380350)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1395428)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1400998)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1402856)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1417010)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1400998)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1434652)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1435586)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1434652=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('C', [], _1400998)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1444896, _1444898), once(user:catch(read_from_chars(['C'], _1400998), _1444872, fail)), '$restore_trace'(_1444896, _1444898))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1444896, _1444898))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1400998), _1444872, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1400998)
   Fail: (226) [system] atomic(_1400998)
   Call: (226) [system] atom_chars(_1400998, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1454272)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1456130)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1463868)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1466572)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1481650)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (224) [system] 'D'=')'
   Fail: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
   Fail: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1487220)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1489078)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=(;)
   Fail: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Fail: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Fail: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Fail: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
   Fail: (227) [system] char_type('D', cntrl)
^  Fail: (226) [user] is_like_space('D')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1503232)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'='('
   Fail: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Fail: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Fail: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Fail: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Fail: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Fail: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Fail: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1487220)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1520874)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1521808)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1526528, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1520874=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('D', [], _1487220)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1532990, _1532992), once(user:catch(read_from_chars(['D'], _1487220), _1532966, fail)), '$restore_trace'(_1532990, _1532992))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1532990, _1532992))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1487220), _1532966, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1487220)
   Fail: (227) [system] atomic(_1487220)
   Call: (227) [system] atom_chars(_1487220, ['D'])
   Exit: (227) [system] atom_chars('D', ['D'])
^  Exit: (226) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1542366)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1544224)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1558378)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _1562168)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _1542366=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1454272=['D']
   Exit: (224) [system] ['D']=['D']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (223) [system] _1368050=['C', 'D']
   Exit: (223) [system] ['C', 'D']=['C', 'D']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (222) [system] _1189820=['OrLink', 'C', 'D']
   Exit: (222) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1576050)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1577908)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1585646)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1588350)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1603428)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (221) [system] 'E'=')'
   Fail: (221) [system] 'E'=')'
   Call: (221) [system] 'E'=end_of_file
   Fail: (221) [system] 'E'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1608998)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1610856)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (223) [system] 'E'=(;)
   Fail: (223) [system] 'E'=(;)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Fail: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Fail: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Fail: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
   Fail: (224) [system] char_type('E', cntrl)
^  Fail: (223) [user] is_like_space('E')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1625010)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'E')
   Call: (222) [system] 'E'='('
   Fail: (222) [system] 'E'='('
   Call: (222) [system] 'E'='['
   Fail: (222) [system] 'E'='['
   Call: (222) [system] 'E'='{'
   Fail: (222) [system] 'E'='{'
   Call: (222) [system] 'E'='"'
   Fail: (222) [system] 'E'='"'
   Call: (222) [system] 'E'=!
   Fail: (222) [system] 'E'=!
   Call: (222) [system] 'E'='\''
   Fail: (222) [system] 'E'='\''
   Call: (222) [system] 'E'='`'
   Fail: (222) [system] 'E'='`'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1608998)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1642652)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1643586)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1648306, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1642652=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('E', [], _1608998)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1654768, _1654770), once(user:catch(read_from_chars(['E'], _1608998), _1654744, fail)), '$restore_trace'(_1654768, _1654770))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1654768, _1654770))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1608998), _1654744, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1608998)
   Fail: (224) [system] atomic(_1608998)
   Call: (224) [system] atom_chars(_1608998, ['E'])
   Exit: (224) [system] atom_chars('E', ['E'])
^  Exit: (223) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1664144)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1666002)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1680156)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _1683946)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _1664144=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1576050=['E']
   Exit: (221) [system] ['E']=['E']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (220) [system] _1156872=[['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (219) [system] _894992=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1697828)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1699686)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1707424)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1710128)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1725206)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (218) [system] 'B'=')'
   Fail: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
   Fail: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1730776)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1732634)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (220) [system] 'B'=(;)
   Fail: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Fail: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Fail: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Fail: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
   Fail: (221) [system] char_type('B', cntrl)
^  Fail: (220) [user] is_like_space('B')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1746788)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'B')
   Call: (219) [system] 'B'='('
   Fail: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Fail: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Fail: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Fail: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Fail: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Fail: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Fail: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
   Fail: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1730776)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1764430)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1765364)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1770084, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1764430=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('B', [], _1730776)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1776546, _1776548), once(user:catch(read_from_chars(['B'], _1730776), _1776522, fail)), '$restore_trace'(_1776546, _1776548))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1776546, _1776548))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1730776), _1776522, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1730776)
   Fail: (221) [system] atomic(_1730776)
   Call: (221) [system] atom_chars(_1730776, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1785922)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1787780)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1801934)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _1805724)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _1785922=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1697828=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (217) [system] _862044=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (217) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (216) [system] _683814=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (216) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1819606)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1821464)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1835618)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1839408)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1819606=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _650866=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (214) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (213) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (212) [system] _5690=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (212) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1853290)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1855148)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=(;)
   Fail: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Fail: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Fail: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Fail: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
   Fail: (213) [system] char_type(')', cntrl)
^  Fail: (212) [user] is_like_space(')')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1869302)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x558d99e6bec0), _1873092)
   Exit: (211) [system] get_char((0x558d99e6bec0), ')')
   Call: (211) [system] _1853290=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (210) [system] _5686=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (210) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (209) [system] _5644=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (209) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (208) [system] _5636=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (208) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (207) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Exit: (206) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Call: (206) [user] read_list(')', (0x558d99e6bec0), _1886974)
^  Call: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _1888832)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (208) [system] '\n'=(;)
   Fail: (208) [system] '\n'=(;)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Fail: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x558d99e6bec0), _1898426)
   Exit: (208) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1901130)
   Exit: (209) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (209) [system] ' '=(;)
   Fail: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x558d99e6bec0), _1908868)
   Exit: (209) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1911572)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (207) [user] skip_spaces((0x558d99e6bec0))
   Call: (207) [system] peek_char((0x558d99e6bec0), _1927574)
   Exit: (207) [system] peek_char((0x558d99e6bec0), '(')
   Call: (207) [system] '('=')'
   Fail: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
   Fail: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x558d99e6bec0), _1933144)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1935002)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=(;)
   Fail: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Fail: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Fail: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Fail: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
   Fail: (210) [system] char_type('(', cntrl)
^  Fail: (209) [user] is_like_space('(')
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] get_char((0x558d99e6bec0), _1949156)
   Exit: (208) [system] get_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1933144)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1954726)
   Exit: (210) [system] peek_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)=(;)
   Fail: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Fail: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Fail: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Fail: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
   Fail: (211) [system] char_type(:, cntrl)
^  Fail: (210) [user] is_like_space(:)
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1968880)
   Exit: (209) [system] peek_char((0x558d99e6bec0), :)
   Call: (209) [system] (:)=')'
   Fail: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
   Fail: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1974450)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1976308)
   Exit: (211) [system] peek_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _1990462)
   Exit: (210) [system] get_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)='('
   Fail: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Fail: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Fail: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Fail: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Fail: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Fail: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Fail: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x558d99e6bec0), :, _1974450)
^  Call: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2008104)
   Call: (212) [system] peek_char((0x558d99e6bec0), _2009038)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _2008104=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (211) [user] classify_and_convert_charseq(:, [], _1974450)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_2018348, _2018350), once(user:catch(read_from_chars([:], _1974450), _2018324, fail)), '$restore_trace'(_2018348, _2018350))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_2018348, _2018350))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2018324, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (210) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _2025848)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2027706)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _2035444)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2038148)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _2053226)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _2058796)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2060654)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _2074808)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _2058796)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2080378)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=(;)
   Fail: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Fail: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Fail: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Fail: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
   Fail: (214) [system] char_type('D', cntrl)
^  Fail: (213) [user] is_like_space('D')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2094532)
   Exit: (212) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (212) [system] 'D'=')'
   Fail: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
   Fail: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _9182)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _11040)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _25194)
   Exit: (213) [system] get_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'='('
   Fail: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Fail: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Fail: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Fail: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Fail: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Fail: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Fail: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _9182)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _42836)
   Call: (215) [system] peek_char((0x558d99e6bec0), _43770)
   Exit: (215) [system] peek_char((0x558d99e6bec0), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Fail: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_48490, v('(', ')', end_of_file), i)
   Fail: (216) [system] arg(_49422, v('(', ')', end_of_file), i)
^  Fail: (215) [user] is_delimiter(i)
   Call: (215) [system] ')'==i
   Fail: (215) [system] ')'==i
   Call: (215) [system] get_char((0x558d99e6bec0), i)
   Exit: (215) [system] get_char((0x558d99e6bec0), i)
   Call: (215) [system] i=(\)
   Fail: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _56772)
   Call: (216) [system] peek_char((0x558d99e6bec0), _57706)
   Exit: (216) [system] peek_char((0x558d99e6bec0), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Fail: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_62426, v('(', ')', end_of_file), s)
   Fail: (217) [system] arg(_63358, v('(', ')', end_of_file), s)
^  Fail: (216) [user] is_delimiter(s)
   Call: (216) [system] ')'==s
   Fail: (216) [system] ')'==s
   Call: (216) [system] get_char((0x558d99e6bec0), s)
   Exit: (216) [system] get_char((0x558d99e6bec0), s)
   Call: (216) [system] s=(\)
   Fail: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _70708)
   Call: (217) [system] peek_char((0x558d99e6bec0), _71642)
   Exit: (217) [system] peek_char((0x558d99e6bec0), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Fail: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_76362, v('(', ')', end_of_file), j)
   Fail: (218) [system] arg(_77294, v('(', ')', end_of_file), j)
^  Fail: (217) [user] is_delimiter(j)
   Call: (217) [system] ')'==j
   Fail: (217) [system] ')'==j
   Call: (217) [system] get_char((0x558d99e6bec0), j)
   Exit: (217) [system] get_char((0x558d99e6bec0), j)
   Call: (217) [system] j=(\)
   Fail: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _84644)
   Call: (218) [system] peek_char((0x558d99e6bec0), _85578)
   Exit: (218) [system] peek_char((0x558d99e6bec0), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Fail: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_90298, v('(', ')', end_of_file), u)
   Fail: (219) [system] arg(_91230, v('(', ')', end_of_file), u)
^  Fail: (218) [user] is_delimiter(u)
   Call: (218) [system] ')'==u
   Fail: (218) [system] ')'==u
   Call: (218) [system] get_char((0x558d99e6bec0), u)
   Exit: (218) [system] get_char((0x558d99e6bec0), u)
   Call: (218) [system] u=(\)
   Fail: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _98580)
   Call: (219) [system] peek_char((0x558d99e6bec0), _99514)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_104234, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_105166, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _112516)
   Call: (220) [system] peek_char((0x558d99e6bec0), _113450)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_118170, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_119102, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _126452)
   Call: (221) [system] peek_char((0x558d99e6bec0), _127386)
   Exit: (221) [system] peek_char((0x558d99e6bec0), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Fail: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_132106, v('(', ')', end_of_file), t)
   Fail: (222) [system] arg(_133038, v('(', ')', end_of_file), t)
^  Fail: (221) [user] is_delimiter(t)
   Call: (221) [system] ')'==t
   Fail: (221) [system] ')'==t
   Call: (221) [system] get_char((0x558d99e6bec0), t)
   Exit: (221) [system] get_char((0x558d99e6bec0), t)
   Call: (221) [system] t=(\)
   Fail: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _140388)
   Call: (222) [system] peek_char((0x558d99e6bec0), _141322)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_146042, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_146974, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _154324)
   Call: (223) [system] peek_char((0x558d99e6bec0), _155258)
   Exit: (223) [system] peek_char((0x558d99e6bec0), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Fail: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_159978, v('(', ')', end_of_file), o)
   Fail: (224) [system] arg(_160910, v('(', ')', end_of_file), o)
^  Fail: (223) [user] is_delimiter(o)
   Call: (223) [system] ')'==o
   Fail: (223) [system] ')'==o
   Call: (223) [system] get_char((0x558d99e6bec0), o)
   Exit: (223) [system] get_char((0x558d99e6bec0), o)
   Call: (223) [system] o=(\)
   Fail: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168260)
   Call: (224) [system] peek_char((0x558d99e6bec0), _169194)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_173914, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_174846, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182196)
   Call: (225) [system] peek_char((0x558d99e6bec0), _183130)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_187850, v('(', ')', end_of_file), 'I')
   Fail: (226) [system] arg(_188782, v('(', ')', end_of_file), 'I')
^  Fail: (225) [user] is_delimiter('I')
   Call: (225) [system] ')'=='I'
   Fail: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(\)
   Fail: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _196132)
   Call: (226) [system] peek_char((0x558d99e6bec0), _197066)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_201786, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_202718, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _210068)
   Call: (227) [system] peek_char((0x558d99e6bec0), _211002)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_215722, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_216654, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _224004)
   Call: (228) [system] peek_char((0x558d99e6bec0), _224938)
   Exit: (228) [system] peek_char((0x558d99e6bec0), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Fail: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_229658, v('(', ')', end_of_file), r)
   Fail: (229) [system] arg(_230590, v('(', ')', end_of_file), r)
^  Fail: (228) [user] is_delimiter(r)
   Call: (228) [system] ')'==r
   Fail: (228) [system] ')'==r
   Call: (228) [system] get_char((0x558d99e6bec0), r)
   Exit: (228) [system] get_char((0x558d99e6bec0), r)
   Call: (228) [system] r=(\)
   Fail: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _237940)
   Call: (229) [system] peek_char((0x558d99e6bec0), _238874)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_243594, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_244526, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _251876)
   Call: (230) [system] peek_char((0x558d99e6bec0), _252810)
   Exit: (230) [system] peek_char((0x558d99e6bec0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_257530, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_258462, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x558d99e6bec0), d)
   Exit: (230) [system] get_char((0x558d99e6bec0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _265812)
   Call: (231) [system] peek_char((0x558d99e6bec0), _266746)
   Exit: (231) [system] peek_char((0x558d99e6bec0), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Fail: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_271466, v('(', ')', end_of_file), u)
   Fail: (232) [system] arg(_272398, v('(', ')', end_of_file), u)
^  Fail: (231) [user] is_delimiter(u)
   Call: (231) [system] ')'==u
   Fail: (231) [system] ')'==u
   Call: (231) [system] get_char((0x558d99e6bec0), u)
   Exit: (231) [system] get_char((0x558d99e6bec0), u)
   Call: (231) [system] u=(\)
   Fail: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _279748)
   Call: (232) [system] peek_char((0x558d99e6bec0), _280682)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_285402, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_286334, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _293684)
   Call: (233) [system] peek_char((0x558d99e6bec0), _294618)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_299338, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_300270, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307620)
   Call: (234) [system] peek_char((0x558d99e6bec0), _308554)
   Exit: (234) [system] peek_char((0x558d99e6bec0), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Fail: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_313274, v('(', ')', end_of_file), i)
   Fail: (235) [system] arg(_314206, v('(', ')', end_of_file), i)
^  Fail: (234) [user] is_delimiter(i)
   Call: (234) [system] ')'==i
   Fail: (234) [system] ')'==i
   Call: (234) [system] get_char((0x558d99e6bec0), i)
   Exit: (234) [system] get_char((0x558d99e6bec0), i)
   Call: (234) [system] i=(\)
   Fail: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321556)
   Call: (235) [system] peek_char((0x558d99e6bec0), _322490)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_327210, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_328142, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335492)
   Call: (236) [system] peek_char((0x558d99e6bec0), _336426)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_341146, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_342078, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _349428)
   Call: (237) [system] peek_char((0x558d99e6bec0), _350362)
   Exit: (237) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _349428=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (236) [system] _335492=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (235) [system] _321556=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (234) [system] _307620=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (233) [system] _293684=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (232) [system] _279748=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (231) [system] _265812=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (230) [system] _251876=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (229) [system] _237940=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _224004=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _210068=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _196132=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _182196=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _168260=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _154324=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _140388=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _126452=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _112516=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _98580=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _84644=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _70708=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _56772=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _42836=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9182)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_421140, _421142), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9182), _421116, fail)), '$restore_trace'(_421140, _421142))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_421140, _421142))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9182), _421116, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_9182)
   Fail: (215) [system] atomic(_9182)
   Call: (215) [system] atom_chars(_9182, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _430516)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _432374)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _440112)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _442816)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _457894)
   Exit: (213) [system] peek_char((0x558d99e6bec0), a)
   Call: (213) [system] a=')'
   Fail: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
   Fail: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _463464)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _465322)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=(;)
   Fail: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Fail: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Fail: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Fail: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
   Fail: (216) [system] char_type(a, cntrl)
^  Fail: (215) [user] is_like_space(a)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _479476)
   Exit: (214) [system] get_char((0x558d99e6bec0), a)
   Call: (214) [system] a='('
   Fail: (214) [system] a='('
   Call: (214) [system] a='['
   Fail: (214) [system] a='['
   Call: (214) [system] a='{'
   Fail: (214) [system] a='{'
   Call: (214) [system] a='"'
   Fail: (214) [system] a='"'
   Call: (214) [system] a=!
   Fail: (214) [system] a=!
   Call: (214) [system] a='\''
   Fail: (214) [system] a='\''
   Call: (214) [system] a='`'
   Fail: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, _463464)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _497118)
   Call: (216) [system] peek_char((0x558d99e6bec0), _498052)
   Exit: (216) [system] peek_char((0x558d99e6bec0), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Fail: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_502772, v('(', ')', end_of_file), b)
   Fail: (217) [system] arg(_503704, v('(', ')', end_of_file), b)
^  Fail: (216) [user] is_delimiter(b)
   Call: (216) [system] ')'==b
   Fail: (216) [system] ')'==b
   Call: (216) [system] get_char((0x558d99e6bec0), b)
   Exit: (216) [system] get_char((0x558d99e6bec0), b)
   Call: (216) [system] b=(\)
   Fail: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _511054)
   Call: (217) [system] peek_char((0x558d99e6bec0), _511988)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Fail: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_516708, v('(', ')', end_of_file), c)
   Fail: (218) [system] arg(_517640, v('(', ')', end_of_file), c)
^  Fail: (217) [user] is_delimiter(c)
   Call: (217) [system] ')'==c
   Fail: (217) [system] ')'==c
   Call: (217) [system] get_char((0x558d99e6bec0), c)
   Exit: (217) [system] get_char((0x558d99e6bec0), c)
   Call: (217) [system] c=(\)
   Fail: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _524990)
   Call: (218) [system] peek_char((0x558d99e6bec0), _525924)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _524990=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (217) [system] _511054=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (216) [system] _497118=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (215) [user] classify_and_convert_charseq(a, [b, c], _463464)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_540822, _540824), once(user:catch(read_from_chars([a, b, c], _463464), _540798, fail)), '$restore_trace'(_540822, _540824))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_540822, _540824))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _540798, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _548322)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _550180)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _557918)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _560622)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _575700)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _581270)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _583128)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _597282)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _581270)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _602852)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _617006)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _622576)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _624434)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _638588)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _622576)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _656230)
   Call: (219) [system] peek_char((0x558d99e6bec0), _657164)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_661884, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_662816, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _670166)
   Call: (220) [system] peek_char((0x558d99e6bec0), _671100)
   Exit: (220) [system] peek_char((0x558d99e6bec0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_675820, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_676752, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x558d99e6bec0), s)
   Exit: (220) [system] get_char((0x558d99e6bec0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _684102)
   Call: (221) [system] peek_char((0x558d99e6bec0), _685036)
   Exit: (221) [system] peek_char((0x558d99e6bec0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_689756, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_690688, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x558d99e6bec0), j)
   Exit: (221) [system] get_char((0x558d99e6bec0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _698038)
   Call: (222) [system] peek_char((0x558d99e6bec0), _698972)
   Exit: (222) [system] peek_char((0x558d99e6bec0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_703692, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_704624, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x558d99e6bec0), u)
   Exit: (222) [system] get_char((0x558d99e6bec0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _711974)
   Call: (223) [system] peek_char((0x558d99e6bec0), _712908)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_717628, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_718560, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _725910)
   Call: (224) [system] peek_char((0x558d99e6bec0), _726844)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_731564, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_732496, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _739846)
   Call: (225) [system] peek_char((0x558d99e6bec0), _740780)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_745500, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_746432, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _753782)
   Call: (226) [system] peek_char((0x558d99e6bec0), _754716)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_759436, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_760368, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _767718)
   Call: (227) [system] peek_char((0x558d99e6bec0), _768652)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_773372, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_774304, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _781654)
   Call: (228) [system] peek_char((0x558d99e6bec0), _782588)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_787308, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_788240, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _795590)
   Call: (229) [system] peek_char((0x558d99e6bec0), _796524)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_801244, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_802176, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _809526)
   Call: (230) [system] peek_char((0x558d99e6bec0), _810460)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_815180, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_816112, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _823462)
   Call: (231) [system] peek_char((0x558d99e6bec0), _824396)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_829116, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_830048, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _837398)
   Call: (232) [system] peek_char((0x558d99e6bec0), _838332)
   Exit: (232) [system] peek_char((0x558d99e6bec0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_843052, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_843984, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x558d99e6bec0), r)
   Exit: (232) [system] get_char((0x558d99e6bec0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _851334)
   Call: (233) [system] peek_char((0x558d99e6bec0), _852268)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_856988, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_857920, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _865270)
   Call: (234) [system] peek_char((0x558d99e6bec0), _866204)
   Exit: (234) [system] peek_char((0x558d99e6bec0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_870924, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_871856, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x558d99e6bec0), d)
   Exit: (234) [system] get_char((0x558d99e6bec0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _879206)
   Call: (235) [system] peek_char((0x558d99e6bec0), _880140)
   Exit: (235) [system] peek_char((0x558d99e6bec0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_884860, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_885792, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x558d99e6bec0), u)
   Exit: (235) [system] get_char((0x558d99e6bec0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _893142)
   Call: (236) [system] peek_char((0x558d99e6bec0), _894076)
   Exit: (236) [system] peek_char((0x558d99e6bec0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_898796, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_899728, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x558d99e6bec0), c)
   Exit: (236) [system] get_char((0x558d99e6bec0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _907078)
   Call: (237) [system] peek_char((0x558d99e6bec0), _908012)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_912732, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_913664, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _921014)
   Call: (238) [system] peek_char((0x558d99e6bec0), _921948)
   Exit: (238) [system] peek_char((0x558d99e6bec0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_926668, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_927600, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x558d99e6bec0), i)
   Exit: (238) [system] get_char((0x558d99e6bec0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934950)
   Call: (239) [system] peek_char((0x558d99e6bec0), _935884)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_940604, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_941536, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _948886)
   Call: (240) [system] peek_char((0x558d99e6bec0), _949820)
   Exit: (240) [system] peek_char((0x558d99e6bec0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_954540, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_955472, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x558d99e6bec0), n)
   Exit: (240) [system] get_char((0x558d99e6bec0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _962822)
   Call: (241) [system] peek_char((0x558d99e6bec0), _963756)
   Exit: (241) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _962822=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (240) [system] _948886=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (239) [system] _934950=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (238) [system] _921014=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (237) [system] _907078=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (236) [system] _893142=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (235) [system] _879206=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (234) [system] _865270=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (233) [system] _851334=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _837398=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _823462=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _809526=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _795590=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _781654=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _767718=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _753782=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _739846=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _725910=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _711974=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _698038=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _684102=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _670166=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _656230=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _622576)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1034534, _1034536), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _622576), _1034510, fail)), '$restore_trace'(_1034534, _1034536))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1034534, _1034536))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _622576), _1034510, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_622576)
   Fail: (219) [system] atomic(_622576)
   Call: (219) [system] atom_chars(_622576, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1043910)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1045768)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1053506)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1056210)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1071288)
   Exit: (217) [system] peek_char((0x558d99e6bec0), c)
   Call: (217) [system] c=')'
   Fail: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
   Fail: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1076858)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1078716)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(;)
   Fail: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Fail: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Fail: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
   Fail: (220) [system] char_type(c, cntrl)
^  Fail: (219) [user] is_like_space(c)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1092870)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c='('
   Fail: (218) [system] c='('
   Call: (218) [system] c='['
   Fail: (218) [system] c='['
   Call: (218) [system] c='{'
   Fail: (218) [system] c='{'
   Call: (218) [system] c='"'
   Fail: (218) [system] c='"'
   Call: (218) [system] c=!
   Fail: (218) [system] c=!
   Call: (218) [system] c='\''
   Fail: (218) [system] c='\''
   Call: (218) [system] c='`'
   Fail: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), c, _1076858)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1110512)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1111446)
   Exit: (220) [system] peek_char((0x558d99e6bec0), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Fail: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1116166, v('(', ')', end_of_file), d)
   Fail: (221) [system] arg(_1117098, v('(', ')', end_of_file), d)
^  Fail: (220) [user] is_delimiter(d)
   Call: (220) [system] ')'==d
   Fail: (220) [system] ')'==d
   Call: (220) [system] get_char((0x558d99e6bec0), d)
   Exit: (220) [system] get_char((0x558d99e6bec0), d)
   Call: (220) [system] d=(\)
   Fail: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1124448)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1125382)
   Exit: (221) [system] peek_char((0x558d99e6bec0), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Fail: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1130102, v('(', ')', end_of_file), e)
   Fail: (222) [system] arg(_1131034, v('(', ')', end_of_file), e)
^  Fail: (221) [user] is_delimiter(e)
   Call: (221) [system] ')'==e
   Fail: (221) [system] ')'==e
   Call: (221) [system] get_char((0x558d99e6bec0), e)
   Exit: (221) [system] get_char((0x558d99e6bec0), e)
   Call: (221) [system] e=(\)
   Fail: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1138384)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1139318)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1138384=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1124448=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (220) [system] _1110512=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (219) [user] classify_and_convert_charseq(c, [d, e], _1076858)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1154216, _1154218), once(user:catch(read_from_chars([c, d, e], _1076858), _1154192, fail)), '$restore_trace'(_1154216, _1154218))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1154216, _1154218))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1154192, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1161716)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1163574)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1171312)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1174016)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1189094)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1194664)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1196522)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1210676)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), c, _1194664)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1228318)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1229252)
   Exit: (221) [system] peek_char((0x558d99e6bec0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1233972, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1234904, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x558d99e6bec0), d)
   Exit: (221) [system] get_char((0x558d99e6bec0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1242254)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1243188)
   Exit: (222) [system] peek_char((0x558d99e6bec0), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1247908, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1248840, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x558d99e6bec0), e)
   Exit: (222) [system] get_char((0x558d99e6bec0), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1256190)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1257124)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1261844, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1256190=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1242254=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (221) [system] _1228318=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (220) [user] classify_and_convert_charseq(c, [d, e], _1194664)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1273894, _1273896), once(user:catch(read_from_chars([c, d, e], _1194664), _1273870, fail)), '$restore_trace'(_1273894, _1273896))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1273894, _1273896))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1273870, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1281394)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1283252)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1297406)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _1301196)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _1281394=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1161716=[cde]
   Exit: (218) [system] [cde]=[cde]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (217) [system] _1043910=[cde, cde]
   Exit: (217) [system] [cde, cde]=[cde, cde]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [cde, cde])
   Call: (216) [system] _581270=['DisjunctionIntroduction', cde, cde]
   Exit: (216) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, cde])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, cde])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1315078)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1316936)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1331090)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _1334880)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _1315078=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _548322=[['DisjunctionIntroduction', cde, cde]]
   Exit: (214) [system] [['DisjunctionIntroduction', cde, cde]]=[['DisjunctionIntroduction', cde, cde]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, cde]])
   Call: (213) [system] _430516=[abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (213) [system] [abc, ['DisjunctionIntroduction', cde, cde]]=[abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', cde, cde]])
   Call: (212) [system] _5816=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (212) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1348762)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1350620)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1358358)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1361062)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1376140)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _1381710)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1383568)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _1397722)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1381710)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1403292)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=(;)
   Fail: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Fail: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Fail: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Fail: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
   Fail: (215) [system] char_type('O', cntrl)
^  Fail: (214) [user] is_like_space('O')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1417446)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (213) [system] 'O'=')'
   Fail: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
   Fail: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1423016)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1424874)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1439028)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'='('
   Fail: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Fail: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Fail: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Fail: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Fail: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Fail: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Fail: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1423016)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1456670)
   Call: (216) [system] peek_char((0x558d99e6bec0), _1457604)
   Exit: (216) [system] peek_char((0x558d99e6bec0), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Fail: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1462324, v('(', ')', end_of_file), r)
   Fail: (217) [system] arg(_1463256, v('(', ')', end_of_file), r)
^  Fail: (216) [user] is_delimiter(r)
   Call: (216) [system] ')'==r
   Fail: (216) [system] ')'==r
   Call: (216) [system] get_char((0x558d99e6bec0), r)
   Exit: (216) [system] get_char((0x558d99e6bec0), r)
   Call: (216) [system] r=(\)
   Fail: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1470606)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1471540)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Fail: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1476260, v('(', ')', end_of_file), 'L')
   Fail: (218) [system] arg(_1477192, v('(', ')', end_of_file), 'L')
^  Fail: (217) [user] is_delimiter('L')
   Call: (217) [system] ')'=='L'
   Fail: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (217) [system] get_char((0x558d99e6bec0), 'L')
   Call: (217) [system] 'L'=(\)
   Fail: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1484542)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1485476)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1490196, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1491128, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1498478)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1499412)
   Exit: (219) [system] peek_char((0x558d99e6bec0), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Fail: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1504132, v('(', ')', end_of_file), n)
   Fail: (220) [system] arg(_1505064, v('(', ')', end_of_file), n)
^  Fail: (219) [user] is_delimiter(n)
   Call: (219) [system] ')'==n
   Fail: (219) [system] ')'==n
   Call: (219) [system] get_char((0x558d99e6bec0), n)
   Exit: (219) [system] get_char((0x558d99e6bec0), n)
   Call: (219) [system] n=(\)
   Fail: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1512414)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1513348)
   Exit: (220) [system] peek_char((0x558d99e6bec0), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Fail: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1518068, v('(', ')', end_of_file), k)
   Fail: (221) [system] arg(_1519000, v('(', ')', end_of_file), k)
^  Fail: (220) [user] is_delimiter(k)
   Call: (220) [system] ')'==k
   Fail: (220) [system] ')'==k
   Call: (220) [system] get_char((0x558d99e6bec0), k)
   Exit: (220) [system] get_char((0x558d99e6bec0), k)
   Call: (220) [system] k=(\)
   Fail: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1526350)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1527284)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1526350=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1512414=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (219) [system] _1498478=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (218) [system] _1484542=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (217) [system] _1470606=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (216) [system] _1456670=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1423016)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1550564, _1550566), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1423016), _1550540, fail)), '$restore_trace'(_1550564, _1550566))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1550564, _1550566))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1423016), _1550540, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1423016)
   Fail: (216) [system] atomic(_1423016)
   Call: (216) [system] atom_chars(_1423016, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1559940)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1561798)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1569536)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1572240)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1587318)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1592888)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1594746)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1608900)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1592888)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1614470)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=(;)
   Fail: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Fail: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Fail: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Fail: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
   Fail: (218) [system] char_type('I', cntrl)
^  Fail: (217) [user] is_like_space('I')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1628624)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (216) [system] 'I'=')'
   Fail: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
   Fail: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1634194)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1636052)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1650206)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'='('
   Fail: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Fail: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Fail: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Fail: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Fail: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Fail: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Fail: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1634194)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1667848)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1668782)
   Exit: (219) [system] peek_char((0x558d99e6bec0), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Fail: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_1673502, v('(', ')', end_of_file), m)
   Fail: (220) [system] arg(_1674434, v('(', ')', end_of_file), m)
^  Fail: (219) [user] is_delimiter(m)
   Call: (219) [system] ')'==m
   Fail: (219) [system] ')'==m
   Call: (219) [system] get_char((0x558d99e6bec0), m)
   Exit: (219) [system] get_char((0x558d99e6bec0), m)
   Call: (219) [system] m=(\)
   Fail: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1681784)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1682718)
   Exit: (220) [system] peek_char((0x558d99e6bec0), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Fail: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_1687438, v('(', ')', end_of_file), p)
   Fail: (221) [system] arg(_1688370, v('(', ')', end_of_file), p)
^  Fail: (220) [user] is_delimiter(p)
   Call: (220) [system] ')'==p
   Fail: (220) [system] ')'==p
   Call: (220) [system] get_char((0x558d99e6bec0), p)
   Exit: (220) [system] get_char((0x558d99e6bec0), p)
   Call: (220) [system] p=(\)
   Fail: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1695720)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1696654)
   Exit: (221) [system] peek_char((0x558d99e6bec0), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Fail: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_1701374, v('(', ')', end_of_file), l)
   Fail: (222) [system] arg(_1702306, v('(', ')', end_of_file), l)
^  Fail: (221) [user] is_delimiter(l)
   Call: (221) [system] ')'==l
   Fail: (221) [system] ')'==l
   Call: (221) [system] get_char((0x558d99e6bec0), l)
   Exit: (221) [system] get_char((0x558d99e6bec0), l)
   Call: (221) [system] l=(\)
   Fail: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1709656)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1710590)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1715310, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_1716242, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1723592)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1724526)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1729246, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1730178, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1737528)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1738462)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_1743182, v('(', ')', end_of_file), a)
   Fail: (225) [system] arg(_1744114, v('(', ')', end_of_file), a)
^  Fail: (224) [user] is_delimiter(a)
   Call: (224) [system] ')'==a
   Fail: (224) [system] ')'==a
   Call: (224) [system] get_char((0x558d99e6bec0), a)
   Exit: (224) [system] get_char((0x558d99e6bec0), a)
   Call: (224) [system] a=(\)
   Fail: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1751464)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1752398)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1757118, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_1758050, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1765400)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1766334)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1771054, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1771986, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1779336)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1780270)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1784990, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_1785922, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1793272)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1794206)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1798926, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1799858, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1807208)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1808142)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1807208=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1793272=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (227) [system] _1779336=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (226) [system] _1765400=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (225) [system] _1751464=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (224) [system] _1737528=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (223) [system] _1723592=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (222) [system] _1709656=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (221) [system] _1695720=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _1681784=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _1667848=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1634194)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1845392, _1845394), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1634194), _1845368, fail)), '$restore_trace'(_1845392, _1845394))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1845392, _1845394))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1634194), _1845368, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1634194)
   Fail: (219) [system] atomic(_1634194)
   Call: (219) [system] atom_chars(_1634194, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1854768)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1856626)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1864364)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1867068)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1882146)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1887716)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1889574)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1903728)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1887716)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1909298)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=(;)
   Fail: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Fail: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Fail: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Fail: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
   Fail: (221) [system] char_type('A', cntrl)
^  Fail: (220) [user] is_like_space('A')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1923452)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (219) [system] 'A'=')'
   Fail: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
   Fail: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1929022)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1930880)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1945034)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'='('
   Fail: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Fail: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Fail: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Fail: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Fail: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Fail: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Fail: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1929022)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1962676)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1963610)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1968330, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1969262, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1976612)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1977546)
   Exit: (223) [system] peek_char((0x558d99e6bec0), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Fail: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1982266, v('(', ')', end_of_file), d)
   Fail: (224) [system] arg(_1983198, v('(', ')', end_of_file), d)
^  Fail: (223) [user] is_delimiter(d)
   Call: (223) [system] ')'==d
   Fail: (223) [system] ')'==d
   Call: (223) [system] get_char((0x558d99e6bec0), d)
   Exit: (223) [system] get_char((0x558d99e6bec0), d)
   Call: (223) [system] d=(\)
   Fail: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1990548)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1991482)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1996202, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_1997134, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2004484)
   Call: (225) [system] peek_char((0x558d99e6bec0), _2005418)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_2010138, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_2011070, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2018420)
   Call: (226) [system] peek_char((0x558d99e6bec0), _2019354)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_2024074, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_2025006, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2032356)
   Call: (227) [system] peek_char((0x558d99e6bec0), _2033290)
   Exit: (227) [system] peek_char((0x558d99e6bec0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_2038010, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_2038942, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x558d99e6bec0), k)
   Exit: (227) [system] get_char((0x558d99e6bec0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2046292)
   Call: (228) [system] peek_char((0x558d99e6bec0), _2047226)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _2046292=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _2032356=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (226) [system] _2018420=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (225) [system] _2004484=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (224) [system] _1990548=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (223) [system] _1976612=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (222) [system] _1962676=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1929022)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2073300, _2073302), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1929022), _2073276, fail)), '$restore_trace'(_2073300, _2073302))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2073300, _2073302))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1929022), _2073276, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1929022)
   Fail: (222) [system] atomic(_1929022)
   Call: (222) [system] atom_chars(_1929022, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _2082676)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _2084534)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _2092272)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2094976)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _19058)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _24628)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _26486)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _40640)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _24628)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _58282)
   Call: (223) [system] peek_char((0x558d99e6bec0), _59216)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _58282=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('A', [], _24628)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_68526, _68528), once(user:catch(read_from_chars(['A'], _24628), _68502, fail)), '$restore_trace'(_68526, _68528))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_68526, _68528))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _24628), _68502, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_24628)
   Fail: (223) [system] atomic(_24628)
   Call: (223) [system] atom_chars(_24628, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _77902)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _79760)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _87498)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _90202)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _105280)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (221) [system] 'B'=')'
   Fail: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
   Fail: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _110850)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _112708)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (223) [system] 'B'=(;)
   Fail: (223) [system] 'B'=(;)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Fail: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Fail: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Fail: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
   Fail: (224) [system] char_type('B', cntrl)
^  Fail: (223) [user] is_like_space('B')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _126862)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'='('
   Fail: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Fail: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Fail: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Fail: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Fail: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Fail: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Fail: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _110850)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _144504)
   Call: (224) [system] peek_char((0x558d99e6bec0), _145438)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_150158, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _144504=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('B', [], _110850)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_156620, _156622), once(user:catch(read_from_chars(['B'], _110850), _156596, fail)), '$restore_trace'(_156620, _156622))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_156620, _156622))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _110850), _156596, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_110850)
   Fail: (224) [system] atomic(_110850)
   Call: (224) [system] atom_chars(_110850, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _165996)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _167854)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _182008)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _185798)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _165996=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _77902=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (220) [system] _5890=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (219) [system] _5882=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _199680)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _201538)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _209276)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _211980)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _227058)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (218) [system] 'C'=')'
   Fail: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
   Fail: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _232628)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _234486)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (220) [system] 'C'=(;)
   Fail: (220) [system] 'C'=(;)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Fail: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Fail: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Fail: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
   Fail: (221) [system] char_type('C', cntrl)
^  Fail: (220) [user] is_like_space('C')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _248640)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'='('
   Fail: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Fail: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Fail: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Fail: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Fail: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Fail: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Fail: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _232628)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _266282)
   Call: (221) [system] peek_char((0x558d99e6bec0), _267216)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_271936, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _266282=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (220) [user] classify_and_convert_charseq('C', [], _232628)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_278398, _278400), once(user:catch(read_from_chars(['C'], _232628), _278374, fail)), '$restore_trace'(_278398, _278400))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_278398, _278400))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _232628), _278374, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_232628)
   Fail: (221) [system] atomic(_232628)
   Call: (221) [system] atom_chars(_232628, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _287774)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _289632)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _303786)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _307576)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _287774=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _199680=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (217) [system] _5878=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _5870=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _321458)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _323316)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _331054)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _333758)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _348836)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _354406)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _356264)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _370418)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _354406)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _375988)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _390142)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _395712)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _397570)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _411724)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _395712)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _429366)
   Call: (220) [system] peek_char((0x558d99e6bec0), _430300)
   Exit: (220) [system] peek_char((0x558d99e6bec0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_435020, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_435952, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x558d99e6bec0), r)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443302)
   Call: (221) [system] peek_char((0x558d99e6bec0), _444236)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_448956, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_449888, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _457238)
   Call: (222) [system] peek_char((0x558d99e6bec0), _458172)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_462892, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_463824, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _471174)
   Call: (223) [system] peek_char((0x558d99e6bec0), _472108)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_476828, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_477760, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _485110)
   Call: (224) [system] peek_char((0x558d99e6bec0), _486044)
   Exit: (224) [system] peek_char((0x558d99e6bec0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_490764, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_491696, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x558d99e6bec0), k)
   Exit: (224) [system] get_char((0x558d99e6bec0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _499046)
   Call: (225) [system] peek_char((0x558d99e6bec0), _499980)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _499046=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _485110=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (223) [system] _471174=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (222) [system] _457238=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (221) [system] _443302=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (220) [system] _429366=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _395712)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_523260, _523262), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _395712), _523236, fail)), '$restore_trace'(_523260, _523262))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_523260, _523262))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _395712), _523236, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_395712)
   Fail: (220) [system] atomic(_395712)
   Call: (220) [system] atom_chars(_395712, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _532636)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _534494)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _542232)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _544936)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _560014)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _565584)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _567442)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _581596)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _565584)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _587166)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _601320)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _606890)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _608748)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _622902)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _606890)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640544)
   Call: (223) [system] peek_char((0x558d99e6bec0), _641478)
   Exit: (223) [system] peek_char((0x558d99e6bec0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_646198, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_647130, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x558d99e6bec0), m)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654480)
   Call: (224) [system] peek_char((0x558d99e6bec0), _655414)
   Exit: (224) [system] peek_char((0x558d99e6bec0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_660134, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_661066, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x558d99e6bec0), p)
   Exit: (224) [system] get_char((0x558d99e6bec0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _668416)
   Call: (225) [system] peek_char((0x558d99e6bec0), _669350)
   Exit: (225) [system] peek_char((0x558d99e6bec0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_674070, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_675002, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x558d99e6bec0), l)
   Exit: (225) [system] get_char((0x558d99e6bec0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _682352)
   Call: (226) [system] peek_char((0x558d99e6bec0), _683286)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_688006, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_688938, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _696288)
   Call: (227) [system] peek_char((0x558d99e6bec0), _697222)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_701942, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_702874, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _710224)
   Call: (228) [system] peek_char((0x558d99e6bec0), _711158)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_715878, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_716810, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x558d99e6bec0), a)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _724160)
   Call: (229) [system] peek_char((0x558d99e6bec0), _725094)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_729814, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_730746, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _738096)
   Call: (230) [system] peek_char((0x558d99e6bec0), _739030)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_743750, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_744682, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _752032)
   Call: (231) [system] peek_char((0x558d99e6bec0), _752966)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_757686, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_758618, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _765968)
   Call: (232) [system] peek_char((0x558d99e6bec0), _766902)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_771622, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_772554, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _779904)
   Call: (233) [system] peek_char((0x558d99e6bec0), _780838)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _779904=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _765968=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _752032=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _738096=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _724160=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _710224=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (227) [system] _696288=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (226) [system] _682352=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (225) [system] _668416=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _654480=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _640544=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _606890)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_818088, _818090), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _606890), _818064, fail)), '$restore_trace'(_818088, _818090))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_818088, _818090))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _606890), _818064, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_606890)
   Fail: (223) [system] atomic(_606890)
   Call: (223) [system] atom_chars(_606890, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _827464)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _829322)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _837060)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _839764)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _854842)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _860412)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _862270)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _876424)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _860412)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _881994)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _896148)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=')'
   Fail: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _901718)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _903576)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _917730)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'='('
   Fail: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Fail: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Fail: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Fail: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Fail: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Fail: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Fail: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _901718)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _935372)
   Call: (226) [system] peek_char((0x558d99e6bec0), _936306)
   Exit: (226) [system] peek_char((0x558d99e6bec0), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Fail: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_941026, v('(', ')', end_of_file), r)
   Fail: (227) [system] arg(_941958, v('(', ')', end_of_file), r)
^  Fail: (226) [user] is_delimiter(r)
   Call: (226) [system] ')'==r
   Fail: (226) [system] ')'==r
   Call: (226) [system] get_char((0x558d99e6bec0), r)
   Exit: (226) [system] get_char((0x558d99e6bec0), r)
   Call: (226) [system] r=(\)
   Fail: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _949308)
   Call: (227) [system] peek_char((0x558d99e6bec0), _950242)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_954962, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_955894, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _963244)
   Call: (228) [system] peek_char((0x558d99e6bec0), _964178)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_968898, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_969830, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _977180)
   Call: (229) [system] peek_char((0x558d99e6bec0), _978114)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_982834, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_983766, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _991116)
   Call: (230) [system] peek_char((0x558d99e6bec0), _992050)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_996770, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_997702, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1005052)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1005986)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1005052=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _991116=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _977180=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _963244=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _949308=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _935372=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _901718)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1029266, _1029268), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _901718), _1029242, fail)), '$restore_trace'(_1029266, _1029268))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1029266, _1029268))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _901718), _1029242, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_901718)
   Fail: (226) [system] atomic(_901718)
   Call: (226) [system] atom_chars(_901718, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1038642)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1040500)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1048238)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1050942)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1066020)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=')'
   Fail: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1071590)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1073448)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'=(;)
   Fail: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Fail: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Fail: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Fail: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
   Fail: (227) [system] char_type('C', cntrl)
^  Fail: (226) [user] is_like_space('C')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1087602)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'='('
   Fail: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Fail: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Fail: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Fail: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Fail: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Fail: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Fail: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1071590)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1105244)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1106178)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1105244=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('C', [], _1071590)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1115488, _1115490), once(user:catch(read_from_chars(['C'], _1071590), _1115464, fail)), '$restore_trace'(_1115488, _1115490))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1115488, _1115490))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1071590), _1115464, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1071590)
   Fail: (227) [system] atomic(_1071590)
   Call: (227) [system] atom_chars(_1071590, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1124864)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1126722)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1134460)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1137164)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1152242)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (225) [system] 'D'=')'
   Fail: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
   Fail: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1157812)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1159670)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'=(;)
   Fail: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Fail: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Fail: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Fail: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
   Fail: (228) [system] char_type('D', cntrl)
^  Fail: (227) [user] is_like_space('D')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1173824)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'='('
   Fail: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Fail: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Fail: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Fail: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Fail: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Fail: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Fail: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1157812)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1191466)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1192400)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1197120, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1191466=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('D', [], _1157812)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1203582, _1203584), once(user:catch(read_from_chars(['D'], _1157812), _1203558, fail)), '$restore_trace'(_1203582, _1203584))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1203582, _1203584))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1157812), _1203558, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1157812)
   Fail: (228) [system] atomic(_1157812)
   Call: (228) [system] atom_chars(_1157812, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1212958)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1214816)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1228970)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _1232760)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _1212958=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1124864=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (224) [system] _1038642=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (223) [system] _860412=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1246642)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1248500)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1256238)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1258942)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1274020)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (222) [system] 'E'=')'
   Fail: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
   Fail: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1279590)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1281448)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'=(;)
   Fail: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Fail: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Fail: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Fail: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
   Fail: (225) [system] char_type('E', cntrl)
^  Fail: (224) [user] is_like_space('E')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1295602)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'E')
   Call: (223) [system] 'E'='('
   Fail: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Fail: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Fail: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Fail: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Fail: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Fail: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Fail: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1279590)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1313244)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1314178)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1318898, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1313244=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('E', [], _1279590)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1325360, _1325362), once(user:catch(read_from_chars(['E'], _1279590), _1325336, fail)), '$restore_trace'(_1325360, _1325362))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1325360, _1325362))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1279590), _1325336, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1279590)
   Fail: (225) [system] atomic(_1279590)
   Call: (225) [system] atom_chars(_1279590, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1334736)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1336594)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1350748)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _1354538)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _1334736=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1246642=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (221) [system] _827464=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _565584=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1368420)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1370278)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1378016)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1380720)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1395798)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1401368)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1403226)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1417380)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1401368)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1422950)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1437104)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1442674)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1444532)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1458686)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1442674)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1476328)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1477262)
   Exit: (224) [system] peek_char((0x558d99e6bec0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1481982, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1482914, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x558d99e6bec0), m)
   Exit: (224) [system] get_char((0x558d99e6bec0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1490264)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1491198)
   Exit: (225) [system] peek_char((0x558d99e6bec0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1495918, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1496850, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x558d99e6bec0), p)
   Exit: (225) [system] get_char((0x558d99e6bec0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1504200)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1505134)
   Exit: (226) [system] peek_char((0x558d99e6bec0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1509854, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1510786, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x558d99e6bec0), l)
   Exit: (226) [system] get_char((0x558d99e6bec0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1518136)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1519070)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1523790, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1524722, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1532072)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1533006)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1537726, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1538658, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1546008)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1546942)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1551662, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1552594, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x558d99e6bec0), a)
   Exit: (229) [system] get_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1559944)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1560878)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1565598, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1566530, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1573880)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1574814)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1579534, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1580466, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1587816)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1588750)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1593470, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1594402, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1601752)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1602686)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1607406, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1608338, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1615688)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1616622)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1615688=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _1601752=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _1587816=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _1573880=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _1559944=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _1546008=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (228) [system] _1532072=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (227) [system] _1518136=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1504200=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1490264=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1476328=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1442674)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1653872, _1653874), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1442674), _1653848, fail)), '$restore_trace'(_1653872, _1653874))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1653872, _1653874))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1442674), _1653848, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1442674)
   Fail: (224) [system] atomic(_1442674)
   Call: (224) [system] atom_chars(_1442674, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1663248)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1665106)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1672844)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1675548)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1690626)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1696196)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1698054)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1712208)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1696196)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1717778)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1731932)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1737502)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1739360)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1753514)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1737502)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1771156)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1772090)
   Exit: (227) [system] peek_char((0x558d99e6bec0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1776810, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1777742, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x558d99e6bec0), r)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1785092)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1786026)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1790746, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1791678, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1799028)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1799962)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1804682, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1805614, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1812964)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1813898)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1818618, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1819550, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1826900)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1827834)
   Exit: (231) [system] peek_char((0x558d99e6bec0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1832554, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1833486, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x558d99e6bec0), k)
   Exit: (231) [system] get_char((0x558d99e6bec0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1840836)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1841770)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1840836=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1826900=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (230) [system] _1812964=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (229) [system] _1799028=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (228) [system] _1785092=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (227) [system] _1771156=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1737502)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1865050, _1865052), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1737502), _1865026, fail)), '$restore_trace'(_1865050, _1865052))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1865050, _1865052))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1737502), _1865026, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1737502)
   Fail: (227) [system] atomic(_1737502)
   Call: (227) [system] atom_chars(_1737502, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1874426)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1876284)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1884022)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1886726)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1901804)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1907374)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1909232)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1923386)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1907374)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1941028)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1941962)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1941028=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _1907374)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1951272, _1951274), once(user:catch(read_from_chars(['C'], _1907374), _1951248, fail)), '$restore_trace'(_1951272, _1951274))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1951272, _1951274))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1907374), _1951248, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1907374)
   Fail: (228) [system] atomic(_1907374)
   Call: (228) [system] atom_chars(_1907374, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1960648)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1962506)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1970244)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1972948)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1988026)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1993596)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1995454)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _2009608)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1993596)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2027250)
   Call: (229) [system] peek_char((0x558d99e6bec0), _2028184)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_2032904, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _2027250=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('D', [], _1993596)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_2039366, _2039368), once(user:catch(read_from_chars(['D'], _1993596), _2039342, fail)), '$restore_trace'(_2039366, _2039368))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_2039366, _2039368))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1993596), _2039342, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1993596)
   Fail: (229) [system] atomic(_1993596)
   Call: (229) [system] atom_chars(_1993596, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _2048742)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _2050600)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _2064754)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _2068544)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _2048742=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1960648=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (225) [system] _1874426=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (224) [system] _1696196=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _2082426)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2084284)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _2092022)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2094726)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _19006)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _24576)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _26434)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _40588)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _24576)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _58230)
   Call: (226) [system] peek_char((0x558d99e6bec0), _59164)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_63884, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _58230=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('E', [], _24576)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_70346, _70348), once(user:catch(read_from_chars(['E'], _24576), _70322, fail)), '$restore_trace'(_70346, _70348))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_70346, _70348))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _24576), _70322, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_24576)
   Fail: (226) [system] atomic(_24576)
   Call: (226) [system] atom_chars(_24576, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _79722)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _81580)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _95734)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _99524)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _79722=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _5998=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (222) [system] _5974=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _5966=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _113406)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _115264)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _129418)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _133208)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _113406=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _5962=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (218) [system] _5920=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5912=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _147090)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _148948)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _163102)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _166892)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _147090=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _5908=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (215) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (214) [system] _5866=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5858=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _180774)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _182632)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=(;)
   Fail: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Fail: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Fail: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Fail: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
   Fail: (214) [system] char_type(')', cntrl)
^  Fail: (213) [user] is_like_space(')')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _196786)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x558d99e6bec0), _200576)
   Exit: (212) [system] get_char((0x558d99e6bec0), ')')
   Call: (212) [system] _180774=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (211) [system] _5854=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (211) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (210) [system] _5812=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (210) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (209) [system] _5804=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (209) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (208) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (207) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (207) [user] read_list(')', (0x558d99e6bec0), _214458)
^  Call: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _216316)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (209) [system] '\n'=(;)
   Fail: (209) [system] '\n'=(;)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Fail: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x558d99e6bec0), _225910)
   Exit: (209) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _228614)
   Exit: (210) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (210) [system] ' '=(;)
   Fail: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x558d99e6bec0), _236352)
   Exit: (210) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _239056)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (208) [user] skip_spaces((0x558d99e6bec0))
   Call: (208) [system] peek_char((0x558d99e6bec0), _255058)
   Exit: (208) [system] peek_char((0x558d99e6bec0), '(')
   Call: (208) [system] '('=')'
   Fail: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
   Fail: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x558d99e6bec0), _260628)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _262486)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=(;)
   Fail: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Fail: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Fail: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Fail: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
   Fail: (211) [system] char_type('(', cntrl)
^  Fail: (210) [user] is_like_space('(')
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] get_char((0x558d99e6bec0), _276640)
   Exit: (209) [system] get_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _260628)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _282210)
   Exit: (211) [system] peek_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)=(;)
   Fail: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Fail: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Fail: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Fail: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
   Fail: (212) [system] char_type(:, cntrl)
^  Fail: (211) [user] is_like_space(:)
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _296364)
   Exit: (210) [system] peek_char((0x558d99e6bec0), :)
   Call: (210) [system] (:)=')'
   Fail: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
   Fail: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _301934)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _303792)
   Exit: (212) [system] peek_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _317946)
   Exit: (211) [system] get_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)='('
   Fail: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Fail: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Fail: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Fail: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Fail: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Fail: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Fail: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x558d99e6bec0), :, _301934)
^  Call: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335588)
   Call: (213) [system] peek_char((0x558d99e6bec0), _336522)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _335588=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (212) [user] classify_and_convert_charseq(:, [], _301934)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_345832, _345834), once(user:catch(read_from_chars([:], _301934), _345808, fail)), '$restore_trace'(_345832, _345834))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_345832, _345834))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _345808, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (211) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _353332)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _355190)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _362928)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _365632)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _380710)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _386280)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _388138)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _402292)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _386280)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _407862)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=(;)
   Fail: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Fail: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Fail: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Fail: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
   Fail: (215) [system] char_type('D', cntrl)
^  Fail: (214) [user] is_like_space('D')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _422016)
   Exit: (213) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (213) [system] 'D'=')'
   Fail: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
   Fail: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _427586)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _429444)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _443598)
   Exit: (214) [system] get_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'='('
   Fail: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Fail: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Fail: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Fail: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Fail: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Fail: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Fail: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _427586)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _461240)
   Call: (216) [system] peek_char((0x558d99e6bec0), _462174)
   Exit: (216) [system] peek_char((0x558d99e6bec0), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Fail: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_466894, v('(', ')', end_of_file), i)
   Fail: (217) [system] arg(_467826, v('(', ')', end_of_file), i)
^  Fail: (216) [user] is_delimiter(i)
   Call: (216) [system] ')'==i
   Fail: (216) [system] ')'==i
   Call: (216) [system] get_char((0x558d99e6bec0), i)
   Exit: (216) [system] get_char((0x558d99e6bec0), i)
   Call: (216) [system] i=(\)
   Fail: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _475176)
   Call: (217) [system] peek_char((0x558d99e6bec0), _476110)
   Exit: (217) [system] peek_char((0x558d99e6bec0), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Fail: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_480830, v('(', ')', end_of_file), s)
   Fail: (218) [system] arg(_481762, v('(', ')', end_of_file), s)
^  Fail: (217) [user] is_delimiter(s)
   Call: (217) [system] ')'==s
   Fail: (217) [system] ')'==s
   Call: (217) [system] get_char((0x558d99e6bec0), s)
   Exit: (217) [system] get_char((0x558d99e6bec0), s)
   Call: (217) [system] s=(\)
   Fail: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _489112)
   Call: (218) [system] peek_char((0x558d99e6bec0), _490046)
   Exit: (218) [system] peek_char((0x558d99e6bec0), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Fail: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_494766, v('(', ')', end_of_file), j)
   Fail: (219) [system] arg(_495698, v('(', ')', end_of_file), j)
^  Fail: (218) [user] is_delimiter(j)
   Call: (218) [system] ')'==j
   Fail: (218) [system] ')'==j
   Call: (218) [system] get_char((0x558d99e6bec0), j)
   Exit: (218) [system] get_char((0x558d99e6bec0), j)
   Call: (218) [system] j=(\)
   Fail: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _503048)
   Call: (219) [system] peek_char((0x558d99e6bec0), _503982)
   Exit: (219) [system] peek_char((0x558d99e6bec0), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Fail: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_508702, v('(', ')', end_of_file), u)
   Fail: (220) [system] arg(_509634, v('(', ')', end_of_file), u)
^  Fail: (219) [user] is_delimiter(u)
   Call: (219) [system] ')'==u
   Fail: (219) [system] ')'==u
   Call: (219) [system] get_char((0x558d99e6bec0), u)
   Exit: (219) [system] get_char((0x558d99e6bec0), u)
   Call: (219) [system] u=(\)
   Fail: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _516984)
   Call: (220) [system] peek_char((0x558d99e6bec0), _517918)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_522638, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_523570, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _530920)
   Call: (221) [system] peek_char((0x558d99e6bec0), _531854)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_536574, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_537506, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _544856)
   Call: (222) [system] peek_char((0x558d99e6bec0), _545790)
   Exit: (222) [system] peek_char((0x558d99e6bec0), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Fail: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_550510, v('(', ')', end_of_file), t)
   Fail: (223) [system] arg(_551442, v('(', ')', end_of_file), t)
^  Fail: (222) [user] is_delimiter(t)
   Call: (222) [system] ')'==t
   Fail: (222) [system] ')'==t
   Call: (222) [system] get_char((0x558d99e6bec0), t)
   Exit: (222) [system] get_char((0x558d99e6bec0), t)
   Call: (222) [system] t=(\)
   Fail: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _558792)
   Call: (223) [system] peek_char((0x558d99e6bec0), _559726)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_564446, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_565378, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _572728)
   Call: (224) [system] peek_char((0x558d99e6bec0), _573662)
   Exit: (224) [system] peek_char((0x558d99e6bec0), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Fail: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_578382, v('(', ')', end_of_file), o)
   Fail: (225) [system] arg(_579314, v('(', ')', end_of_file), o)
^  Fail: (224) [user] is_delimiter(o)
   Call: (224) [system] ')'==o
   Fail: (224) [system] ')'==o
   Call: (224) [system] get_char((0x558d99e6bec0), o)
   Exit: (224) [system] get_char((0x558d99e6bec0), o)
   Call: (224) [system] o=(\)
   Fail: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _586664)
   Call: (225) [system] peek_char((0x558d99e6bec0), _587598)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_592318, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_593250, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _600600)
   Call: (226) [system] peek_char((0x558d99e6bec0), _601534)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_606254, v('(', ')', end_of_file), 'I')
   Fail: (227) [system] arg(_607186, v('(', ')', end_of_file), 'I')
^  Fail: (226) [user] is_delimiter('I')
   Call: (226) [system] ')'=='I'
   Fail: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(\)
   Fail: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _614536)
   Call: (227) [system] peek_char((0x558d99e6bec0), _615470)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_620190, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_621122, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _628472)
   Call: (228) [system] peek_char((0x558d99e6bec0), _629406)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_634126, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_635058, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _642408)
   Call: (229) [system] peek_char((0x558d99e6bec0), _643342)
   Exit: (229) [system] peek_char((0x558d99e6bec0), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Fail: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_648062, v('(', ')', end_of_file), r)
   Fail: (230) [system] arg(_648994, v('(', ')', end_of_file), r)
^  Fail: (229) [user] is_delimiter(r)
   Call: (229) [system] ')'==r
   Fail: (229) [system] ')'==r
   Call: (229) [system] get_char((0x558d99e6bec0), r)
   Exit: (229) [system] get_char((0x558d99e6bec0), r)
   Call: (229) [system] r=(\)
   Fail: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _656344)
   Call: (230) [system] peek_char((0x558d99e6bec0), _657278)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_661998, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_662930, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _670280)
   Call: (231) [system] peek_char((0x558d99e6bec0), _671214)
   Exit: (231) [system] peek_char((0x558d99e6bec0), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Fail: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_675934, v('(', ')', end_of_file), d)
   Fail: (232) [system] arg(_676866, v('(', ')', end_of_file), d)
^  Fail: (231) [user] is_delimiter(d)
   Call: (231) [system] ')'==d
   Fail: (231) [system] ')'==d
   Call: (231) [system] get_char((0x558d99e6bec0), d)
   Exit: (231) [system] get_char((0x558d99e6bec0), d)
   Call: (231) [system] d=(\)
   Fail: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _684216)
   Call: (232) [system] peek_char((0x558d99e6bec0), _685150)
   Exit: (232) [system] peek_char((0x558d99e6bec0), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Fail: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_689870, v('(', ')', end_of_file), u)
   Fail: (233) [system] arg(_690802, v('(', ')', end_of_file), u)
^  Fail: (232) [user] is_delimiter(u)
   Call: (232) [system] ')'==u
   Fail: (232) [system] ')'==u
   Call: (232) [system] get_char((0x558d99e6bec0), u)
   Exit: (232) [system] get_char((0x558d99e6bec0), u)
   Call: (232) [system] u=(\)
   Fail: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _698152)
   Call: (233) [system] peek_char((0x558d99e6bec0), _699086)
   Exit: (233) [system] peek_char((0x558d99e6bec0), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Fail: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_703806, v('(', ')', end_of_file), c)
   Fail: (234) [system] arg(_704738, v('(', ')', end_of_file), c)
^  Fail: (233) [user] is_delimiter(c)
   Call: (233) [system] ')'==c
   Fail: (233) [system] ')'==c
   Call: (233) [system] get_char((0x558d99e6bec0), c)
   Exit: (233) [system] get_char((0x558d99e6bec0), c)
   Call: (233) [system] c=(\)
   Fail: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _712088)
   Call: (234) [system] peek_char((0x558d99e6bec0), _713022)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_717742, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_718674, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _726024)
   Call: (235) [system] peek_char((0x558d99e6bec0), _726958)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_731678, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_732610, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _739960)
   Call: (236) [system] peek_char((0x558d99e6bec0), _740894)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_745614, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_746546, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _753896)
   Call: (237) [system] peek_char((0x558d99e6bec0), _754830)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_759550, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_760482, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _767832)
   Call: (238) [system] peek_char((0x558d99e6bec0), _768766)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _767832=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (237) [system] _753896=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (236) [system] _739960=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (235) [system] _726024=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (234) [system] _712088=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (233) [system] _698152=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (232) [system] _684216=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (231) [system] _670280=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (230) [system] _656344=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _642408=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _628472=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _614536=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _600600=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _586664=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _572728=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _558792=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _544856=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _530920=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _516984=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _503048=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _489112=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _475176=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _461240=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _427586)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_839544, _839546), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _427586), _839520, fail)), '$restore_trace'(_839544, _839546))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_839544, _839546))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _427586), _839520, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_427586)
   Fail: (216) [system] atomic(_427586)
   Call: (216) [system] atom_chars(_427586, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _848920)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _850778)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _858516)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _861220)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _876298)
   Exit: (214) [system] peek_char((0x558d99e6bec0), a)
   Call: (214) [system] a=')'
   Fail: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
   Fail: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _881868)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _883726)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=(;)
   Fail: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Fail: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Fail: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Fail: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
   Fail: (217) [system] char_type(a, cntrl)
^  Fail: (216) [user] is_like_space(a)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _897880)
   Exit: (215) [system] get_char((0x558d99e6bec0), a)
   Call: (215) [system] a='('
   Fail: (215) [system] a='('
   Call: (215) [system] a='['
   Fail: (215) [system] a='['
   Call: (215) [system] a='{'
   Fail: (215) [system] a='{'
   Call: (215) [system] a='"'
   Fail: (215) [system] a='"'
   Call: (215) [system] a=!
   Fail: (215) [system] a=!
   Call: (215) [system] a='\''
   Fail: (215) [system] a='\''
   Call: (215) [system] a='`'
   Fail: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, _881868)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _915522)
   Call: (217) [system] peek_char((0x558d99e6bec0), _916456)
   Exit: (217) [system] peek_char((0x558d99e6bec0), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Fail: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_921176, v('(', ')', end_of_file), b)
   Fail: (218) [system] arg(_922108, v('(', ')', end_of_file), b)
^  Fail: (217) [user] is_delimiter(b)
   Call: (217) [system] ')'==b
   Fail: (217) [system] ')'==b
   Call: (217) [system] get_char((0x558d99e6bec0), b)
   Exit: (217) [system] get_char((0x558d99e6bec0), b)
   Call: (217) [system] b=(\)
   Fail: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _929458)
   Call: (218) [system] peek_char((0x558d99e6bec0), _930392)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Fail: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_935112, v('(', ')', end_of_file), c)
   Fail: (219) [system] arg(_936044, v('(', ')', end_of_file), c)
^  Fail: (218) [user] is_delimiter(c)
   Call: (218) [system] ')'==c
   Fail: (218) [system] ')'==c
   Call: (218) [system] get_char((0x558d99e6bec0), c)
   Exit: (218) [system] get_char((0x558d99e6bec0), c)
   Call: (218) [system] c=(\)
   Fail: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _943394)
   Call: (219) [system] peek_char((0x558d99e6bec0), _944328)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _943394=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (218) [system] _929458=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (217) [system] _915522=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (216) [user] classify_and_convert_charseq(a, [b, c], _881868)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_959226, _959228), once(user:catch(read_from_chars([a, b, c], _881868), _959202, fail)), '$restore_trace'(_959226, _959228))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_959226, _959228))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _959202, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _966726)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _968584)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _976322)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _979026)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _994104)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _999674)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1001532)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1015686)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _999674)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1021256)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1035410)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1040980)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1042838)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1056992)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1040980)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1074634)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1075568)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1080288, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1081220, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1088570)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1089504)
   Exit: (221) [system] peek_char((0x558d99e6bec0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1094224, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_1095156, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x558d99e6bec0), s)
   Exit: (221) [system] get_char((0x558d99e6bec0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1102506)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1103440)
   Exit: (222) [system] peek_char((0x558d99e6bec0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1108160, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_1109092, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x558d99e6bec0), j)
   Exit: (222) [system] get_char((0x558d99e6bec0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1116442)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1117376)
   Exit: (223) [system] peek_char((0x558d99e6bec0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1122096, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_1123028, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x558d99e6bec0), u)
   Exit: (223) [system] get_char((0x558d99e6bec0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1130378)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1131312)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1136032, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1136964, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1144314)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1145248)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1149968, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1150900, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1158250)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1159184)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1163904, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_1164836, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1172186)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1173120)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1177840, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1178772, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1186122)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1187056)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1191776, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_1192708, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1200058)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1200992)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1205712, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1206644, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1213994)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1214928)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1219648, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_1220580, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (230) [system] get_char((0x558d99e6bec0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1227930)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1228864)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1233584, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1234516, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1241866)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1242800)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1247520, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_1248452, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1255802)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1256736)
   Exit: (233) [system] peek_char((0x558d99e6bec0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1261456, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_1262388, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x558d99e6bec0), r)
   Exit: (233) [system] get_char((0x558d99e6bec0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1269738)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1270672)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1275392, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_1276324, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1283674)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1284608)
   Exit: (235) [system] peek_char((0x558d99e6bec0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1289328, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_1290260, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x558d99e6bec0), d)
   Exit: (235) [system] get_char((0x558d99e6bec0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1297610)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1298544)
   Exit: (236) [system] peek_char((0x558d99e6bec0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1303264, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_1304196, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x558d99e6bec0), u)
   Exit: (236) [system] get_char((0x558d99e6bec0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1311546)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1312480)
   Exit: (237) [system] peek_char((0x558d99e6bec0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1317200, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_1318132, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x558d99e6bec0), c)
   Exit: (237) [system] get_char((0x558d99e6bec0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1325482)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1326416)
   Exit: (238) [system] peek_char((0x558d99e6bec0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1331136, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_1332068, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x558d99e6bec0), t)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1339418)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1340352)
   Exit: (239) [system] peek_char((0x558d99e6bec0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1345072, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_1346004, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x558d99e6bec0), i)
   Exit: (239) [system] get_char((0x558d99e6bec0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1353354)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1354288)
   Exit: (240) [system] peek_char((0x558d99e6bec0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1359008, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_1359940, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x558d99e6bec0), o)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1367290)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1368224)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1372944, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_1373876, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1381226)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1382160)
   Exit: (242) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1381226=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (241) [system] _1367290=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (240) [system] _1353354=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (239) [system] _1339418=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (238) [system] _1325482=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (237) [system] _1311546=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (236) [system] _1297610=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (235) [system] _1283674=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (234) [system] _1269738=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _1255802=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1241866=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1227930=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1213994=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1200058=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1186122=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1172186=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1158250=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1144314=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1130378=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1116442=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1102506=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1088570=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1074634=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1040980)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1452938, _1452940), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1040980), _1452914, fail)), '$restore_trace'(_1452938, _1452940))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1452938, _1452940))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1040980), _1452914, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1040980)
   Fail: (220) [system] atomic(_1040980)
   Call: (220) [system] atom_chars(_1040980, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1462314)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1464172)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1471910)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1474614)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1489692)
   Exit: (218) [system] peek_char((0x558d99e6bec0), c)
   Call: (218) [system] c=')'
   Fail: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
   Fail: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1495262)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1497120)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(;)
   Fail: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Fail: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Fail: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
   Fail: (221) [system] char_type(c, cntrl)
^  Fail: (220) [user] is_like_space(c)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1511274)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c='('
   Fail: (219) [system] c='('
   Call: (219) [system] c='['
   Fail: (219) [system] c='['
   Call: (219) [system] c='{'
   Fail: (219) [system] c='{'
   Call: (219) [system] c='"'
   Fail: (219) [system] c='"'
   Call: (219) [system] c=!
   Fail: (219) [system] c=!
   Call: (219) [system] c='\''
   Fail: (219) [system] c='\''
   Call: (219) [system] c='`'
   Fail: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
   Fail: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), c, _1495262)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1528916)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1529850)
   Exit: (221) [system] peek_char((0x558d99e6bec0), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Fail: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1534570, v('(', ')', end_of_file), d)
   Fail: (222) [system] arg(_1535502, v('(', ')', end_of_file), d)
^  Fail: (221) [user] is_delimiter(d)
   Call: (221) [system] ')'==d
   Fail: (221) [system] ')'==d
   Call: (221) [system] get_char((0x558d99e6bec0), d)
   Exit: (221) [system] get_char((0x558d99e6bec0), d)
   Call: (221) [system] d=(\)
   Fail: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1542852)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1543786)
   Exit: (222) [system] peek_char((0x558d99e6bec0), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Fail: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1548506, v('(', ')', end_of_file), e)
   Fail: (223) [system] arg(_1549438, v('(', ')', end_of_file), e)
^  Fail: (222) [user] is_delimiter(e)
   Call: (222) [system] ')'==e
   Fail: (222) [system] ')'==e
   Call: (222) [system] get_char((0x558d99e6bec0), e)
   Exit: (222) [system] get_char((0x558d99e6bec0), e)
   Call: (222) [system] e=(\)
   Fail: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1556788)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1557722)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1556788=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1542852=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (221) [system] _1528916=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (220) [user] classify_and_convert_charseq(c, [d, e], _1495262)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1572620, _1572622), once(user:catch(read_from_chars([c, d, e], _1495262), _1572596, fail)), '$restore_trace'(_1572620, _1572622))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1572620, _1572622))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1572596, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1580120)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1581978)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1589716)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1592420)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1607498)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1613068)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1614926)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1629080)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, _1613068)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1646722)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1647656)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1652376, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1646722=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq(a, [], _1613068)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1658838, _1658840), once(user:catch(read_from_chars([a], _1613068), _1658814, fail)), '$restore_trace'(_1658838, _1658840))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1658838, _1658840))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1658814, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1666338)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1668196)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1682350)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _1686140)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _1666338=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _1580120=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (218) [system] _1462314=[cde, a]
   Exit: (218) [system] [cde, a]=[cde, a]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [cde, a])
   Call: (217) [system] _999674=['DisjunctionIntroduction', cde, a]
   Exit: (217) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', cde, a])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1700022)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1701880)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1716034)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _1719824)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _1700022=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _966726=[['DisjunctionIntroduction', cde, a]]
   Exit: (215) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', cde, a]])
   Call: (214) [system] _848920=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (214) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (213) [system] _386280=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1733706)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1735564)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _1743302)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1746006)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1761084)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1766654)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1768512)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1782666)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1766654)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1788236)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=(;)
   Fail: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Fail: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Fail: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Fail: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
   Fail: (216) [system] char_type('O', cntrl)
^  Fail: (215) [user] is_like_space('O')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1802390)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (214) [system] 'O'=')'
   Fail: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
   Fail: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1807960)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1809818)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1823972)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'='('
   Fail: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Fail: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Fail: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Fail: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Fail: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Fail: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Fail: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1807960)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1841614)
   Call: (217) [system] peek_char((0x558d99e6bec0), _1842548)
   Exit: (217) [system] peek_char((0x558d99e6bec0), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Fail: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1847268, v('(', ')', end_of_file), r)
   Fail: (218) [system] arg(_1848200, v('(', ')', end_of_file), r)
^  Fail: (217) [user] is_delimiter(r)
   Call: (217) [system] ')'==r
   Fail: (217) [system] ')'==r
   Call: (217) [system] get_char((0x558d99e6bec0), r)
   Exit: (217) [system] get_char((0x558d99e6bec0), r)
   Call: (217) [system] r=(\)
   Fail: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1855550)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1856484)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Fail: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1861204, v('(', ')', end_of_file), 'L')
   Fail: (219) [system] arg(_1862136, v('(', ')', end_of_file), 'L')
^  Fail: (218) [user] is_delimiter('L')
   Call: (218) [system] ')'=='L'
   Fail: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (218) [system] get_char((0x558d99e6bec0), 'L')
   Call: (218) [system] 'L'=(\)
   Fail: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1869486)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1870420)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1875140, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_1876072, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1883422)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1884356)
   Exit: (220) [system] peek_char((0x558d99e6bec0), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Fail: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1889076, v('(', ')', end_of_file), n)
   Fail: (221) [system] arg(_1890008, v('(', ')', end_of_file), n)
^  Fail: (220) [user] is_delimiter(n)
   Call: (220) [system] ')'==n
   Fail: (220) [system] ')'==n
   Call: (220) [system] get_char((0x558d99e6bec0), n)
   Exit: (220) [system] get_char((0x558d99e6bec0), n)
   Call: (220) [system] n=(\)
   Fail: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1897358)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1898292)
   Exit: (221) [system] peek_char((0x558d99e6bec0), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Fail: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1903012, v('(', ')', end_of_file), k)
   Fail: (222) [system] arg(_1903944, v('(', ')', end_of_file), k)
^  Fail: (221) [user] is_delimiter(k)
   Call: (221) [system] ')'==k
   Fail: (221) [system] ')'==k
   Call: (221) [system] get_char((0x558d99e6bec0), k)
   Exit: (221) [system] get_char((0x558d99e6bec0), k)
   Call: (221) [system] k=(\)
   Fail: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1911294)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1912228)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1911294=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1897358=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (220) [system] _1883422=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (219) [system] _1869486=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (218) [system] _1855550=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (217) [system] _1841614=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1807960)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1935508, _1935510), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1807960), _1935484, fail)), '$restore_trace'(_1935508, _1935510))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1935508, _1935510))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1807960), _1935484, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1807960)
   Fail: (217) [system] atomic(_1807960)
   Call: (217) [system] atom_chars(_1807960, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1944884)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1946742)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1954480)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1957184)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1972262)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1977832)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1979690)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1993844)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1977832)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1999414)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=(;)
   Fail: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Fail: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Fail: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Fail: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
   Fail: (219) [system] char_type('I', cntrl)
^  Fail: (218) [user] is_like_space('I')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2013568)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (217) [system] 'I'=')'
   Fail: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
   Fail: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _2019138)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2020996)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _2035150)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'='('
   Fail: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Fail: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Fail: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Fail: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Fail: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Fail: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Fail: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _2019138)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2052792)
   Call: (220) [system] peek_char((0x558d99e6bec0), _2053726)
   Exit: (220) [system] peek_char((0x558d99e6bec0), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Fail: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_2058446, v('(', ')', end_of_file), m)
   Fail: (221) [system] arg(_2059378, v('(', ')', end_of_file), m)
^  Fail: (220) [user] is_delimiter(m)
   Call: (220) [system] ')'==m
   Fail: (220) [system] ')'==m
   Call: (220) [system] get_char((0x558d99e6bec0), m)
   Exit: (220) [system] get_char((0x558d99e6bec0), m)
   Call: (220) [system] m=(\)
   Fail: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2066728)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2067662)
   Exit: (221) [system] peek_char((0x558d99e6bec0), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Fail: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_2072382, v('(', ')', end_of_file), p)
   Fail: (222) [system] arg(_2073314, v('(', ')', end_of_file), p)
^  Fail: (221) [user] is_delimiter(p)
   Call: (221) [system] ')'==p
   Fail: (221) [system] ')'==p
   Call: (221) [system] get_char((0x558d99e6bec0), p)
   Exit: (221) [system] get_char((0x558d99e6bec0), p)
   Call: (221) [system] p=(\)
   Fail: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2080664)
   Call: (222) [system] peek_char((0x558d99e6bec0), _2081598)
   Exit: (222) [system] peek_char((0x558d99e6bec0), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Fail: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_2086318, v('(', ')', end_of_file), l)
   Fail: (223) [system] arg(_2087250, v('(', ')', end_of_file), l)
^  Fail: (222) [user] is_delimiter(l)
   Call: (222) [system] ')'==l
   Fail: (222) [system] ')'==l
   Call: (222) [system] get_char((0x558d99e6bec0), l)
   Exit: (222) [system] get_char((0x558d99e6bec0), l)
   Call: (222) [system] l=(\)
   Fail: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2094600)
   Call: (223) [system] peek_char((0x558d99e6bec0), _2095534)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_9562, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_10494, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _17844)
   Call: (224) [system] peek_char((0x558d99e6bec0), _18778)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_23498, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_24430, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _31780)
   Call: (225) [system] peek_char((0x558d99e6bec0), _32714)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_37434, v('(', ')', end_of_file), a)
   Fail: (226) [system] arg(_38366, v('(', ')', end_of_file), a)
^  Fail: (225) [user] is_delimiter(a)
   Call: (225) [system] ')'==a
   Fail: (225) [system] ')'==a
   Call: (225) [system] get_char((0x558d99e6bec0), a)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(\)
   Fail: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _45716)
   Call: (226) [system] peek_char((0x558d99e6bec0), _46650)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_51370, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_52302, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _59652)
   Call: (227) [system] peek_char((0x558d99e6bec0), _60586)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_65306, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_66238, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _73588)
   Call: (228) [system] peek_char((0x558d99e6bec0), _74522)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_79242, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_80174, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _87524)
   Call: (229) [system] peek_char((0x558d99e6bec0), _88458)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_93178, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_94110, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _101460)
   Call: (230) [system] peek_char((0x558d99e6bec0), _102394)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _101460=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _87524=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (228) [system] _73588=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (227) [system] _59652=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (226) [system] _45716=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (225) [system] _31780=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (224) [system] _17844=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (223) [system] _6096=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (222) [system] _6092=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _6088=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _6084=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _6080)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_139644, _139646), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _6080), _139620, fail)), '$restore_trace'(_139644, _139646))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_139644, _139646))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _6080), _139620, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_6080)
   Fail: (220) [system] atomic(_6080)
   Call: (220) [system] atom_chars(_6080, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _149020)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _150878)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _158616)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _161320)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _176398)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _181968)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _183826)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _197980)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _181968)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _203550)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=(;)
   Fail: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Fail: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Fail: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Fail: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
   Fail: (222) [system] char_type('A', cntrl)
^  Fail: (221) [user] is_like_space('A')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _217704)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _223274)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _225132)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _239286)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _223274)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _256928)
   Call: (223) [system] peek_char((0x558d99e6bec0), _257862)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_262582, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_263514, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _270864)
   Call: (224) [system] peek_char((0x558d99e6bec0), _271798)
   Exit: (224) [system] peek_char((0x558d99e6bec0), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Fail: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_276518, v('(', ')', end_of_file), d)
   Fail: (225) [system] arg(_277450, v('(', ')', end_of_file), d)
^  Fail: (224) [user] is_delimiter(d)
   Call: (224) [system] ')'==d
   Fail: (224) [system] ')'==d
   Call: (224) [system] get_char((0x558d99e6bec0), d)
   Exit: (224) [system] get_char((0x558d99e6bec0), d)
   Call: (224) [system] d=(\)
   Fail: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _284800)
   Call: (225) [system] peek_char((0x558d99e6bec0), _285734)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_290454, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_291386, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _298736)
   Call: (226) [system] peek_char((0x558d99e6bec0), _299670)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_304390, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_305322, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _312672)
   Call: (227) [system] peek_char((0x558d99e6bec0), _313606)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_318326, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_319258, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _326608)
   Call: (228) [system] peek_char((0x558d99e6bec0), _327542)
   Exit: (228) [system] peek_char((0x558d99e6bec0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_332262, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_333194, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x558d99e6bec0), k)
   Exit: (228) [system] get_char((0x558d99e6bec0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _340544)
   Call: (229) [system] peek_char((0x558d99e6bec0), _341478)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _340544=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _326608=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (227) [system] _312672=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (226) [system] _298736=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (225) [system] _284800=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (224) [system] _270864=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (223) [system] _256928=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _223274)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_367552, _367554), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _223274), _367528, fail)), '$restore_trace'(_367552, _367554))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_367552, _367554))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _223274), _367528, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_223274)
   Fail: (223) [system] atomic(_223274)
   Call: (223) [system] atom_chars(_223274, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _376928)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _378786)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _386524)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _389228)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _404306)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _409876)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _411734)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _425888)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _409876)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _443530)
   Call: (224) [system] peek_char((0x558d99e6bec0), _444464)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _443530=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('A', [], _409876)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_453774, _453776), once(user:catch(read_from_chars(['A'], _409876), _453750, fail)), '$restore_trace'(_453774, _453776))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_453774, _453776))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _409876), _453750, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_409876)
   Fail: (224) [system] atomic(_409876)
   Call: (224) [system] atom_chars(_409876, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _463150)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _465008)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _472746)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _475450)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _490528)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _496098)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _497956)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _512110)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _496098)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _529752)
   Call: (225) [system] peek_char((0x558d99e6bec0), _530686)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_535406, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _529752=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('B', [], _496098)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_541868, _541870), once(user:catch(read_from_chars(['B'], _496098), _541844, fail)), '$restore_trace'(_541868, _541870))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_541868, _541870))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _496098), _541844, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_496098)
   Fail: (225) [system] atomic(_496098)
   Call: (225) [system] atom_chars(_496098, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _551244)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _553102)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _567256)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _571046)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _551244=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _463150=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (221) [system] _376928=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (220) [system] _181968=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _584928)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _586786)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _594524)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _597228)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _612306)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (219) [system] 'C'=')'
   Fail: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
   Fail: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _617876)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _619734)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=(;)
   Fail: (221) [system] 'C'=(;)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Fail: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Fail: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Fail: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
   Fail: (222) [system] char_type('C', cntrl)
^  Fail: (221) [user] is_like_space('C')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _633888)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'C')
   Call: (220) [system] 'C'='('
   Fail: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Fail: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Fail: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Fail: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Fail: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Fail: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Fail: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _617876)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _651530)
   Call: (222) [system] peek_char((0x558d99e6bec0), _652464)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_657184, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _651530=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq('C', [], _617876)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_663646, _663648), once(user:catch(read_from_chars(['C'], _617876), _663622, fail)), '$restore_trace'(_663646, _663648))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_663646, _663648))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _617876), _663622, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_617876)
   Fail: (222) [system] atomic(_617876)
   Call: (222) [system] atom_chars(_617876, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _673022)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _674880)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _689034)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _692824)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _673022=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _584928=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (218) [system] _149020=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _6074=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _706706)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _708564)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _716302)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _719006)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _734084)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _739654)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _741512)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _755666)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _739654)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _761236)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _775390)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _780960)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _782818)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _796972)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _780960)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _814614)
   Call: (221) [system] peek_char((0x558d99e6bec0), _815548)
   Exit: (221) [system] peek_char((0x558d99e6bec0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_820268, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_821200, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x558d99e6bec0), r)
   Exit: (221) [system] get_char((0x558d99e6bec0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _828550)
   Call: (222) [system] peek_char((0x558d99e6bec0), _829484)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_834204, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_835136, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _842486)
   Call: (223) [system] peek_char((0x558d99e6bec0), _843420)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_848140, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_849072, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _856422)
   Call: (224) [system] peek_char((0x558d99e6bec0), _857356)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_862076, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_863008, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _870358)
   Call: (225) [system] peek_char((0x558d99e6bec0), _871292)
   Exit: (225) [system] peek_char((0x558d99e6bec0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_876012, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_876944, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x558d99e6bec0), k)
   Exit: (225) [system] get_char((0x558d99e6bec0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _884294)
   Call: (226) [system] peek_char((0x558d99e6bec0), _885228)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _884294=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _870358=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (224) [system] _856422=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (223) [system] _842486=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (222) [system] _828550=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (221) [system] _814614=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _780960)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_908508, _908510), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _780960), _908484, fail)), '$restore_trace'(_908508, _908510))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_908508, _908510))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _780960), _908484, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_780960)
   Fail: (221) [system] atomic(_780960)
   Call: (221) [system] atom_chars(_780960, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _917884)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _919742)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _927480)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _930184)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _945262)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _950832)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _952690)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _966844)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _950832)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _972414)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _986568)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _992138)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _993996)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1008150)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _992138)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1025792)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1026726)
   Exit: (224) [system] peek_char((0x558d99e6bec0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1031446, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1032378, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x558d99e6bec0), m)
   Exit: (224) [system] get_char((0x558d99e6bec0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1039728)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1040662)
   Exit: (225) [system] peek_char((0x558d99e6bec0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1045382, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1046314, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x558d99e6bec0), p)
   Exit: (225) [system] get_char((0x558d99e6bec0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1053664)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1054598)
   Exit: (226) [system] peek_char((0x558d99e6bec0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1059318, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1060250, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x558d99e6bec0), l)
   Exit: (226) [system] get_char((0x558d99e6bec0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1067600)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1068534)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1073254, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1074186, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1081536)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1082470)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1087190, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1088122, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1095472)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1096406)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1101126, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1102058, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x558d99e6bec0), a)
   Exit: (229) [system] get_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1109408)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1110342)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1115062, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1115994, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1123344)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1124278)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1128998, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1129930, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1137280)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1138214)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1142934, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1143866, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1151216)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1152150)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1156870, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1157802, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1165152)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1166086)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1165152=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _1151216=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _1137280=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _1123344=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _1109408=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _1095472=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (228) [system] _1081536=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (227) [system] _1067600=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1053664=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1039728=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1025792=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _992138)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1203336, _1203338), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _992138), _1203312, fail)), '$restore_trace'(_1203336, _1203338))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1203336, _1203338))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _992138), _1203312, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_992138)
   Fail: (224) [system] atomic(_992138)
   Call: (224) [system] atom_chars(_992138, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1212712)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1214570)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1222308)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1225012)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1240090)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1245660)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1247518)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1261672)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1245660)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1267242)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'=(;)
   Fail: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Fail: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Fail: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Fail: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
   Fail: (226) [system] char_type('O', cntrl)
^  Fail: (225) [user] is_like_space('O')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1281396)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=')'
   Fail: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
   Fail: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1286966)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1288824)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (226) [system] 'O'=(;)
   Fail: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Fail: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Fail: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Fail: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
   Fail: (227) [system] char_type('O', cntrl)
^  Fail: (226) [user] is_like_space('O')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1302978)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'O')
   Call: (225) [system] 'O'='('
   Fail: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Fail: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Fail: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Fail: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Fail: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Fail: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Fail: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
   Fail: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1286966)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1320620)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1321554)
   Exit: (227) [system] peek_char((0x558d99e6bec0), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Fail: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1326274, v('(', ')', end_of_file), r)
   Fail: (228) [system] arg(_1327206, v('(', ')', end_of_file), r)
^  Fail: (227) [user] is_delimiter(r)
   Call: (227) [system] ')'==r
   Fail: (227) [system] ')'==r
   Call: (227) [system] get_char((0x558d99e6bec0), r)
   Exit: (227) [system] get_char((0x558d99e6bec0), r)
   Call: (227) [system] r=(\)
   Fail: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1334556)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1335490)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1340210, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_1341142, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348492)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1349426)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1354146, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1355078, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362428)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1363362)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1368082, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1369014, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1376364)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1377298)
   Exit: (231) [system] peek_char((0x558d99e6bec0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1382018, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_1382950, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x558d99e6bec0), k)
   Exit: (231) [system] get_char((0x558d99e6bec0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1390300)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1391234)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1390300=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1376364=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (230) [system] _1362428=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (229) [system] _1348492=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (228) [system] _1334556=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (227) [system] _1320620=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1286966)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1414514, _1414516), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1286966), _1414490, fail)), '$restore_trace'(_1414514, _1414516))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1414514, _1414516))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1286966), _1414490, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1286966)
   Fail: (227) [system] atomic(_1286966)
   Call: (227) [system] atom_chars(_1286966, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1423890)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1425748)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1433486)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1436190)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1451268)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1456838)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1458696)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1472850)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1456838)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1490492)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1491426)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1490492=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _1456838)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1500736, _1500738), once(user:catch(read_from_chars(['C'], _1456838), _1500712, fail)), '$restore_trace'(_1500736, _1500738))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1500736, _1500738))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1456838), _1500712, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1456838)
   Fail: (228) [system] atomic(_1456838)
   Call: (228) [system] atom_chars(_1456838, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1510112)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1511970)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1519708)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1522412)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1537490)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (226) [system] 'D'=')'
   Fail: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
   Fail: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1543060)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1544918)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (228) [system] 'D'=(;)
   Fail: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Fail: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Fail: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Fail: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
   Fail: (229) [system] char_type('D', cntrl)
^  Fail: (228) [user] is_like_space('D')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1559072)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'D')
   Call: (227) [system] 'D'='('
   Fail: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Fail: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Fail: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Fail: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Fail: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Fail: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Fail: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
   Fail: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1543060)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1576714)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1577648)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1582368, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1576714=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('D', [], _1543060)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1588830, _1588832), once(user:catch(read_from_chars(['D'], _1543060), _1588806, fail)), '$restore_trace'(_1588830, _1588832))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1588830, _1588832))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1543060), _1588806, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1543060)
   Fail: (229) [system] atomic(_1543060)
   Call: (229) [system] atom_chars(_1543060, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1598206)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1600064)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1614218)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _1618008)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _1598206=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1510112=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (225) [system] _1423890=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (224) [system] _1245660=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1631890)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1633748)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1641486)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1644190)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1659268)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (223) [system] 'E'=')'
   Fail: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
   Fail: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1664838)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1666696)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (225) [system] 'E'=(;)
   Fail: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Fail: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Fail: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Fail: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
   Fail: (226) [system] char_type('E', cntrl)
^  Fail: (225) [user] is_like_space('E')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1680850)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'E')
   Call: (224) [system] 'E'='('
   Fail: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Fail: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Fail: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Fail: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Fail: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Fail: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Fail: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
   Fail: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1664838)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1698492)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1699426)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1704146, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1698492=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('E', [], _1664838)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1710608, _1710610), once(user:catch(read_from_chars(['E'], _1664838), _1710584, fail)), '$restore_trace'(_1710608, _1710610))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1710608, _1710610))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1664838), _1710584, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1664838)
   Fail: (226) [system] atomic(_1664838)
   Call: (226) [system] atom_chars(_1664838, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1719984)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1721842)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1735996)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _1739786)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _1719984=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1631890=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (222) [system] _1212712=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _950832=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1753668)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1755526)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1763264)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1765968)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1781046)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1786616)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1788474)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1802628)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1786616)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1820270)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1821204)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1825924, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1820270=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('A', [], _1786616)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1832386, _1832388), once(user:catch(read_from_chars(['A'], _1786616), _1832362, fail)), '$restore_trace'(_1832386, _1832388))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1832386, _1832388))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1786616), _1832362, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1786616)
   Fail: (223) [system] atomic(_1786616)
   Call: (223) [system] atom_chars(_1786616, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1841762)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1843620)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1857774)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _1861564)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _1841762=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1753668=['A']
   Exit: (220) [system] ['A']=['A']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (219) [system] _917884=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (218) [system] _739654=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (218) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1875446)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1877304)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1891458)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1895248)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _1875446=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _706706=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (216) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (215) [system] _6070=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (214) [system] _6062=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (214) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1909130)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1910988)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=(;)
   Fail: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Fail: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Fail: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Fail: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
   Fail: (215) [system] char_type(')', cntrl)
^  Fail: (214) [user] is_like_space(')')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1925142)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x558d99e6bec0), _1928932)
   Exit: (213) [system] get_char((0x558d99e6bec0), ')')
   Call: (213) [system] _1909130=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (212) [system] _6058=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (212) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (211) [system] _6016=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (211) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (210) [system] _6008=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (210) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (209) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Exit: (208) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Call: (208) [user] read_list(')', (0x558d99e6bec0), _1942814)
^  Call: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1944672)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (210) [system] '\n'=(;)
   Fail: (210) [system] '\n'=(;)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Fail: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x558d99e6bec0), _1954266)
   Exit: (210) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1956970)
   Exit: (211) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (211) [system] ' '=(;)
   Fail: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x558d99e6bec0), _1964708)
   Exit: (211) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1967412)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (209) [user] skip_spaces((0x558d99e6bec0))
   Call: (209) [system] peek_char((0x558d99e6bec0), _1983414)
   Exit: (209) [system] peek_char((0x558d99e6bec0), '(')
   Call: (209) [system] '('=')'
   Fail: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
   Fail: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x558d99e6bec0), _1988984)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1990842)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=(;)
   Fail: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Fail: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Fail: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Fail: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
   Fail: (212) [system] char_type('(', cntrl)
^  Fail: (211) [user] is_like_space('(')
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] get_char((0x558d99e6bec0), _2004996)
   Exit: (210) [system] get_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _1988984)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _2010566)
   Exit: (212) [system] peek_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)=(;)
   Fail: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Fail: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Fail: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Fail: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
   Fail: (213) [system] char_type(:, cntrl)
^  Fail: (212) [user] is_like_space(:)
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _2024720)
   Exit: (211) [system] peek_char((0x558d99e6bec0), :)
   Call: (211) [system] (:)=')'
   Fail: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
   Fail: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _2030290)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2032148)
   Exit: (213) [system] peek_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _2046302)
   Exit: (212) [system] get_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)='('
   Fail: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Fail: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Fail: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Fail: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Fail: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Fail: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Fail: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x558d99e6bec0), :, _2030290)
^  Call: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2063944)
   Call: (214) [system] peek_char((0x558d99e6bec0), _2064878)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _2063944=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (213) [user] classify_and_convert_charseq(:, [], _2030290)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_2074188, _2074190), once(user:catch(read_from_chars([:], _2030290), _2074164, fail)), '$restore_trace'(_2074188, _2074190))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_2074188, _2074190))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2074164, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (212) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _2081688)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _2083546)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _2091284)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _2093988)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _18414)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _23984)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _25842)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _39996)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _23984)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _45566)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=(;)
   Fail: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Fail: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Fail: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Fail: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
   Fail: (216) [system] char_type('D', cntrl)
^  Fail: (215) [user] is_like_space('D')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _59720)
   Exit: (214) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (214) [system] 'D'=')'
   Fail: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
   Fail: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _65290)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _67148)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _81302)
   Exit: (215) [system] get_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'='('
   Fail: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Fail: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Fail: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Fail: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Fail: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Fail: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Fail: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _65290)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _98944)
   Call: (217) [system] peek_char((0x558d99e6bec0), _99878)
   Exit: (217) [system] peek_char((0x558d99e6bec0), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Fail: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_104598, v('(', ')', end_of_file), i)
   Fail: (218) [system] arg(_105530, v('(', ')', end_of_file), i)
^  Fail: (217) [user] is_delimiter(i)
   Call: (217) [system] ')'==i
   Fail: (217) [system] ')'==i
   Call: (217) [system] get_char((0x558d99e6bec0), i)
   Exit: (217) [system] get_char((0x558d99e6bec0), i)
   Call: (217) [system] i=(\)
   Fail: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _112880)
   Call: (218) [system] peek_char((0x558d99e6bec0), _113814)
   Exit: (218) [system] peek_char((0x558d99e6bec0), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Fail: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_118534, v('(', ')', end_of_file), s)
   Fail: (219) [system] arg(_119466, v('(', ')', end_of_file), s)
^  Fail: (218) [user] is_delimiter(s)
   Call: (218) [system] ')'==s
   Fail: (218) [system] ')'==s
   Call: (218) [system] get_char((0x558d99e6bec0), s)
   Exit: (218) [system] get_char((0x558d99e6bec0), s)
   Call: (218) [system] s=(\)
   Fail: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _126816)
   Call: (219) [system] peek_char((0x558d99e6bec0), _127750)
   Exit: (219) [system] peek_char((0x558d99e6bec0), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Fail: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_132470, v('(', ')', end_of_file), j)
   Fail: (220) [system] arg(_133402, v('(', ')', end_of_file), j)
^  Fail: (219) [user] is_delimiter(j)
   Call: (219) [system] ')'==j
   Fail: (219) [system] ')'==j
   Call: (219) [system] get_char((0x558d99e6bec0), j)
   Exit: (219) [system] get_char((0x558d99e6bec0), j)
   Call: (219) [system] j=(\)
   Fail: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _140752)
   Call: (220) [system] peek_char((0x558d99e6bec0), _141686)
   Exit: (220) [system] peek_char((0x558d99e6bec0), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Fail: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_146406, v('(', ')', end_of_file), u)
   Fail: (221) [system] arg(_147338, v('(', ')', end_of_file), u)
^  Fail: (220) [user] is_delimiter(u)
   Call: (220) [system] ')'==u
   Fail: (220) [system] ')'==u
   Call: (220) [system] get_char((0x558d99e6bec0), u)
   Exit: (220) [system] get_char((0x558d99e6bec0), u)
   Call: (220) [system] u=(\)
   Fail: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _154688)
   Call: (221) [system] peek_char((0x558d99e6bec0), _155622)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_160342, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_161274, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _168624)
   Call: (222) [system] peek_char((0x558d99e6bec0), _169558)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_174278, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_175210, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _182560)
   Call: (223) [system] peek_char((0x558d99e6bec0), _183494)
   Exit: (223) [system] peek_char((0x558d99e6bec0), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Fail: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_188214, v('(', ')', end_of_file), t)
   Fail: (224) [system] arg(_189146, v('(', ')', end_of_file), t)
^  Fail: (223) [user] is_delimiter(t)
   Call: (223) [system] ')'==t
   Fail: (223) [system] ')'==t
   Call: (223) [system] get_char((0x558d99e6bec0), t)
   Exit: (223) [system] get_char((0x558d99e6bec0), t)
   Call: (223) [system] t=(\)
   Fail: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _196496)
   Call: (224) [system] peek_char((0x558d99e6bec0), _197430)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_202150, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_203082, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _210432)
   Call: (225) [system] peek_char((0x558d99e6bec0), _211366)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_216086, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_217018, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _224368)
   Call: (226) [system] peek_char((0x558d99e6bec0), _225302)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_230022, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_230954, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _238304)
   Call: (227) [system] peek_char((0x558d99e6bec0), _239238)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_243958, v('(', ')', end_of_file), 'I')
   Fail: (228) [system] arg(_244890, v('(', ')', end_of_file), 'I')
^  Fail: (227) [user] is_delimiter('I')
   Call: (227) [system] ')'=='I'
   Fail: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'I')
   Call: (227) [system] 'I'=(\)
   Fail: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _252240)
   Call: (228) [system] peek_char((0x558d99e6bec0), _253174)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_257894, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_258826, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _266176)
   Call: (229) [system] peek_char((0x558d99e6bec0), _267110)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_271830, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_272762, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _280112)
   Call: (230) [system] peek_char((0x558d99e6bec0), _281046)
   Exit: (230) [system] peek_char((0x558d99e6bec0), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Fail: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_285766, v('(', ')', end_of_file), r)
   Fail: (231) [system] arg(_286698, v('(', ')', end_of_file), r)
^  Fail: (230) [user] is_delimiter(r)
   Call: (230) [system] ')'==r
   Fail: (230) [system] ')'==r
   Call: (230) [system] get_char((0x558d99e6bec0), r)
   Exit: (230) [system] get_char((0x558d99e6bec0), r)
   Call: (230) [system] r=(\)
   Fail: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _294048)
   Call: (231) [system] peek_char((0x558d99e6bec0), _294982)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_299702, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_300634, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _307984)
   Call: (232) [system] peek_char((0x558d99e6bec0), _308918)
   Exit: (232) [system] peek_char((0x558d99e6bec0), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Fail: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_313638, v('(', ')', end_of_file), d)
   Fail: (233) [system] arg(_314570, v('(', ')', end_of_file), d)
^  Fail: (232) [user] is_delimiter(d)
   Call: (232) [system] ')'==d
   Fail: (232) [system] ')'==d
   Call: (232) [system] get_char((0x558d99e6bec0), d)
   Exit: (232) [system] get_char((0x558d99e6bec0), d)
   Call: (232) [system] d=(\)
   Fail: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _321920)
   Call: (233) [system] peek_char((0x558d99e6bec0), _322854)
   Exit: (233) [system] peek_char((0x558d99e6bec0), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Fail: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_327574, v('(', ')', end_of_file), u)
   Fail: (234) [system] arg(_328506, v('(', ')', end_of_file), u)
^  Fail: (233) [user] is_delimiter(u)
   Call: (233) [system] ')'==u
   Fail: (233) [system] ')'==u
   Call: (233) [system] get_char((0x558d99e6bec0), u)
   Exit: (233) [system] get_char((0x558d99e6bec0), u)
   Call: (233) [system] u=(\)
   Fail: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _335856)
   Call: (234) [system] peek_char((0x558d99e6bec0), _336790)
   Exit: (234) [system] peek_char((0x558d99e6bec0), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Fail: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_341510, v('(', ')', end_of_file), c)
   Fail: (235) [system] arg(_342442, v('(', ')', end_of_file), c)
^  Fail: (234) [user] is_delimiter(c)
   Call: (234) [system] ')'==c
   Fail: (234) [system] ')'==c
   Call: (234) [system] get_char((0x558d99e6bec0), c)
   Exit: (234) [system] get_char((0x558d99e6bec0), c)
   Call: (234) [system] c=(\)
   Fail: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _349792)
   Call: (235) [system] peek_char((0x558d99e6bec0), _350726)
   Exit: (235) [system] peek_char((0x558d99e6bec0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_355446, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_356378, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x558d99e6bec0), t)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _363728)
   Call: (236) [system] peek_char((0x558d99e6bec0), _364662)
   Exit: (236) [system] peek_char((0x558d99e6bec0), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Fail: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_369382, v('(', ')', end_of_file), i)
   Fail: (237) [system] arg(_370314, v('(', ')', end_of_file), i)
^  Fail: (236) [user] is_delimiter(i)
   Call: (236) [system] ')'==i
   Fail: (236) [system] ')'==i
   Call: (236) [system] get_char((0x558d99e6bec0), i)
   Exit: (236) [system] get_char((0x558d99e6bec0), i)
   Call: (236) [system] i=(\)
   Fail: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _377664)
   Call: (237) [system] peek_char((0x558d99e6bec0), _378598)
   Exit: (237) [system] peek_char((0x558d99e6bec0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_383318, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_384250, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x558d99e6bec0), o)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _391600)
   Call: (238) [system] peek_char((0x558d99e6bec0), _392534)
   Exit: (238) [system] peek_char((0x558d99e6bec0), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Fail: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_397254, v('(', ')', end_of_file), n)
   Fail: (239) [system] arg(_398186, v('(', ')', end_of_file), n)
^  Fail: (238) [user] is_delimiter(n)
   Call: (238) [system] ')'==n
   Fail: (238) [system] ')'==n
   Call: (238) [system] get_char((0x558d99e6bec0), n)
   Exit: (238) [system] get_char((0x558d99e6bec0), n)
   Call: (238) [system] n=(\)
   Fail: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _405536)
   Call: (239) [system] peek_char((0x558d99e6bec0), _406470)
   Exit: (239) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _405536=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (238) [system] _391600=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (237) [system] _377664=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (236) [system] _363728=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (235) [system] _349792=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (234) [system] _335856=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (233) [system] _321920=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (232) [system] _307984=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (231) [system] _294048=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _280112=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _266176=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _252240=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _238304=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _224368=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _210432=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _196496=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _182560=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _168624=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _154688=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _140752=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _126816=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _112880=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _98944=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _65290)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_477248, _477250), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _65290), _477224, fail)), '$restore_trace'(_477248, _477250))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_477248, _477250))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _65290), _477224, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_65290)
   Fail: (217) [system] atomic(_65290)
   Call: (217) [system] atom_chars(_65290, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _486624)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _488482)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _496220)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _498924)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _514002)
   Exit: (215) [system] peek_char((0x558d99e6bec0), a)
   Call: (215) [system] a=')'
   Fail: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
   Fail: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _519572)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _521430)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=(;)
   Fail: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Fail: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Fail: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Fail: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
   Fail: (218) [system] char_type(a, cntrl)
^  Fail: (217) [user] is_like_space(a)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _535584)
   Exit: (216) [system] get_char((0x558d99e6bec0), a)
   Call: (216) [system] a='('
   Fail: (216) [system] a='('
   Call: (216) [system] a='['
   Fail: (216) [system] a='['
   Call: (216) [system] a='{'
   Fail: (216) [system] a='{'
   Call: (216) [system] a='"'
   Fail: (216) [system] a='"'
   Call: (216) [system] a=!
   Fail: (216) [system] a=!
   Call: (216) [system] a='\''
   Fail: (216) [system] a='\''
   Call: (216) [system] a='`'
   Fail: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, _519572)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _553226)
   Call: (218) [system] peek_char((0x558d99e6bec0), _554160)
   Exit: (218) [system] peek_char((0x558d99e6bec0), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Fail: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_558880, v('(', ')', end_of_file), b)
   Fail: (219) [system] arg(_559812, v('(', ')', end_of_file), b)
^  Fail: (218) [user] is_delimiter(b)
   Call: (218) [system] ')'==b
   Fail: (218) [system] ')'==b
   Call: (218) [system] get_char((0x558d99e6bec0), b)
   Exit: (218) [system] get_char((0x558d99e6bec0), b)
   Call: (218) [system] b=(\)
   Fail: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _567162)
   Call: (219) [system] peek_char((0x558d99e6bec0), _568096)
   Exit: (219) [system] peek_char((0x558d99e6bec0), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Fail: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_572816, v('(', ')', end_of_file), c)
   Fail: (220) [system] arg(_573748, v('(', ')', end_of_file), c)
^  Fail: (219) [user] is_delimiter(c)
   Call: (219) [system] ')'==c
   Fail: (219) [system] ')'==c
   Call: (219) [system] get_char((0x558d99e6bec0), c)
   Exit: (219) [system] get_char((0x558d99e6bec0), c)
   Call: (219) [system] c=(\)
   Fail: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _581098)
   Call: (220) [system] peek_char((0x558d99e6bec0), _582032)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _581098=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (219) [system] _567162=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (218) [system] _553226=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (217) [user] classify_and_convert_charseq(a, [b, c], _519572)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_596930, _596932), once(user:catch(read_from_chars([a, b, c], _519572), _596906, fail)), '$restore_trace'(_596930, _596932))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_596930, _596932))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _596906, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _604430)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _606288)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _614026)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _616730)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _631808)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _637378)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _639236)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _653390)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _637378)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _658960)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _673114)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _678684)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _680542)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _694696)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _678684)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _712338)
   Call: (221) [system] peek_char((0x558d99e6bec0), _713272)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_717992, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_718924, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _726274)
   Call: (222) [system] peek_char((0x558d99e6bec0), _727208)
   Exit: (222) [system] peek_char((0x558d99e6bec0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_731928, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_732860, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x558d99e6bec0), s)
   Exit: (222) [system] get_char((0x558d99e6bec0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _740210)
   Call: (223) [system] peek_char((0x558d99e6bec0), _741144)
   Exit: (223) [system] peek_char((0x558d99e6bec0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_745864, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_746796, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x558d99e6bec0), j)
   Exit: (223) [system] get_char((0x558d99e6bec0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _754146)
   Call: (224) [system] peek_char((0x558d99e6bec0), _755080)
   Exit: (224) [system] peek_char((0x558d99e6bec0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_759800, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_760732, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x558d99e6bec0), u)
   Exit: (224) [system] get_char((0x558d99e6bec0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _768082)
   Call: (225) [system] peek_char((0x558d99e6bec0), _769016)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_773736, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_774668, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _782018)
   Call: (226) [system] peek_char((0x558d99e6bec0), _782952)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_787672, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_788604, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _795954)
   Call: (227) [system] peek_char((0x558d99e6bec0), _796888)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_801608, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_802540, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _809890)
   Call: (228) [system] peek_char((0x558d99e6bec0), _810824)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_815544, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_816476, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _823826)
   Call: (229) [system] peek_char((0x558d99e6bec0), _824760)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_829480, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_830412, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _837762)
   Call: (230) [system] peek_char((0x558d99e6bec0), _838696)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_843416, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_844348, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _851698)
   Call: (231) [system] peek_char((0x558d99e6bec0), _852632)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_857352, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_858284, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _865634)
   Call: (232) [system] peek_char((0x558d99e6bec0), _866568)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_871288, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_872220, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _879570)
   Call: (233) [system] peek_char((0x558d99e6bec0), _880504)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_885224, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_886156, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _893506)
   Call: (234) [system] peek_char((0x558d99e6bec0), _894440)
   Exit: (234) [system] peek_char((0x558d99e6bec0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_899160, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_900092, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x558d99e6bec0), r)
   Exit: (234) [system] get_char((0x558d99e6bec0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _907442)
   Call: (235) [system] peek_char((0x558d99e6bec0), _908376)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_913096, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_914028, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _921378)
   Call: (236) [system] peek_char((0x558d99e6bec0), _922312)
   Exit: (236) [system] peek_char((0x558d99e6bec0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_927032, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_927964, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x558d99e6bec0), d)
   Exit: (236) [system] get_char((0x558d99e6bec0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _935314)
   Call: (237) [system] peek_char((0x558d99e6bec0), _936248)
   Exit: (237) [system] peek_char((0x558d99e6bec0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_940968, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_941900, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x558d99e6bec0), u)
   Exit: (237) [system] get_char((0x558d99e6bec0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _949250)
   Call: (238) [system] peek_char((0x558d99e6bec0), _950184)
   Exit: (238) [system] peek_char((0x558d99e6bec0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_954904, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_955836, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x558d99e6bec0), c)
   Exit: (238) [system] get_char((0x558d99e6bec0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _963186)
   Call: (239) [system] peek_char((0x558d99e6bec0), _964120)
   Exit: (239) [system] peek_char((0x558d99e6bec0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_968840, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_969772, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x558d99e6bec0), t)
   Exit: (239) [system] get_char((0x558d99e6bec0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _977122)
   Call: (240) [system] peek_char((0x558d99e6bec0), _978056)
   Exit: (240) [system] peek_char((0x558d99e6bec0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_982776, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_983708, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x558d99e6bec0), i)
   Exit: (240) [system] get_char((0x558d99e6bec0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _991058)
   Call: (241) [system] peek_char((0x558d99e6bec0), _991992)
   Exit: (241) [system] peek_char((0x558d99e6bec0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_996712, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_997644, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x558d99e6bec0), o)
   Exit: (241) [system] get_char((0x558d99e6bec0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1004994)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1005928)
   Exit: (242) [system] peek_char((0x558d99e6bec0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1010648, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1011580, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x558d99e6bec0), n)
   Exit: (242) [system] get_char((0x558d99e6bec0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1018930)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1019864)
   Exit: (243) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1018930=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (242) [system] _1004994=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (241) [system] _991058=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (240) [system] _977122=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (239) [system] _963186=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (238) [system] _949250=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (237) [system] _935314=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (236) [system] _921378=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (235) [system] _907442=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _893506=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _879570=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _865634=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _851698=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _837762=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _823826=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _809890=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _795954=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _782018=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _768082=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _754146=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _740210=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _726274=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _712338=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678684)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1090642, _1090644), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678684), _1090618, fail)), '$restore_trace'(_1090642, _1090644))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1090642, _1090644))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _678684), _1090618, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_678684)
   Fail: (221) [system] atomic(_678684)
   Call: (221) [system] atom_chars(_678684, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1100018)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1101876)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1109614)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1112318)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1127396)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1132966)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1134824)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1148978)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, _1132966)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1166620)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1167554)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1166620=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (221) [user] classify_and_convert_charseq(a, [], _1132966)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1176864, _1176866), once(user:catch(read_from_chars([a], _1132966), _1176840, fail)), '$restore_trace'(_1176864, _1176866))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1176864, _1176866))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1176840, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1184364)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1186222)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1193960)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1196664)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1211742)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1217312)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1219170)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1233324)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), a, _1217312)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1250966)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1251900)
   Exit: (223) [system] peek_char((0x558d99e6bec0), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Fail: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_1256620, v('(', ')', end_of_file), b)
   Fail: (224) [system] arg(_1257552, v('(', ')', end_of_file), b)
^  Fail: (223) [user] is_delimiter(b)
   Call: (223) [system] ')'==b
   Fail: (223) [system] ')'==b
   Call: (223) [system] get_char((0x558d99e6bec0), b)
   Exit: (223) [system] get_char((0x558d99e6bec0), b)
   Call: (223) [system] b=(\)
   Fail: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1264902)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1265836)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1270556, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_1271488, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1278838)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1279772)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1284492, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1278838=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1264902=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (223) [system] _1250966=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (222) [user] classify_and_convert_charseq(a, [b, c], _1217312)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1296542, _1296544), once(user:catch(read_from_chars([a, b, c], _1217312), _1296518, fail)), '$restore_trace'(_1296542, _1296544))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1296542, _1296544))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1296518, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1304042)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1305900)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1320054)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _1323844)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _1304042=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _1184364=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [abc])
   Call: (219) [system] _1100018=[a, abc]
   Exit: (219) [system] [a, abc]=[a, abc]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [a, abc])
   Call: (218) [system] _637378=['DisjunctionIntroduction', a, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, abc])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1337726)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1339584)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1353738)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1357528)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _1337726=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _604430=[['DisjunctionIntroduction', a, abc]]
   Exit: (216) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, abc]])
   Call: (215) [system] _486624=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (215) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (214) [system] _23984=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1371410)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1373268)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1381006)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1383710)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1398788)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1404358)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1406216)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1420370)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1404358)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1425940)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=(;)
   Fail: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Fail: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Fail: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Fail: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
   Fail: (217) [system] char_type('O', cntrl)
^  Fail: (216) [user] is_like_space('O')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1440094)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (215) [system] 'O'=')'
   Fail: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
   Fail: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1445664)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1447522)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1461676)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'='('
   Fail: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Fail: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Fail: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Fail: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Fail: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Fail: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Fail: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1445664)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1479318)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1480252)
   Exit: (218) [system] peek_char((0x558d99e6bec0), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Fail: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1484972, v('(', ')', end_of_file), r)
   Fail: (219) [system] arg(_1485904, v('(', ')', end_of_file), r)
^  Fail: (218) [user] is_delimiter(r)
   Call: (218) [system] ')'==r
   Fail: (218) [system] ')'==r
   Call: (218) [system] get_char((0x558d99e6bec0), r)
   Exit: (218) [system] get_char((0x558d99e6bec0), r)
   Call: (218) [system] r=(\)
   Fail: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1493254)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1494188)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Fail: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1498908, v('(', ')', end_of_file), 'L')
   Fail: (220) [system] arg(_1499840, v('(', ')', end_of_file), 'L')
^  Fail: (219) [user] is_delimiter('L')
   Call: (219) [system] ')'=='L'
   Fail: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (219) [system] get_char((0x558d99e6bec0), 'L')
   Call: (219) [system] 'L'=(\)
   Fail: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1507190)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1508124)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1512844, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_1513776, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1521126)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1522060)
   Exit: (221) [system] peek_char((0x558d99e6bec0), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Fail: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1526780, v('(', ')', end_of_file), n)
   Fail: (222) [system] arg(_1527712, v('(', ')', end_of_file), n)
^  Fail: (221) [user] is_delimiter(n)
   Call: (221) [system] ')'==n
   Fail: (221) [system] ')'==n
   Call: (221) [system] get_char((0x558d99e6bec0), n)
   Exit: (221) [system] get_char((0x558d99e6bec0), n)
   Call: (221) [system] n=(\)
   Fail: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1535062)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1535996)
   Exit: (222) [system] peek_char((0x558d99e6bec0), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Fail: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1540716, v('(', ')', end_of_file), k)
   Fail: (223) [system] arg(_1541648, v('(', ')', end_of_file), k)
^  Fail: (222) [user] is_delimiter(k)
   Call: (222) [system] ')'==k
   Fail: (222) [system] ')'==k
   Call: (222) [system] get_char((0x558d99e6bec0), k)
   Exit: (222) [system] get_char((0x558d99e6bec0), k)
   Call: (222) [system] k=(\)
   Fail: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1548998)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1549932)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1548998=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1535062=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (221) [system] _1521126=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (220) [system] _1507190=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (219) [system] _1493254=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (218) [system] _1479318=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1445664)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1573212, _1573214), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1445664), _1573188, fail)), '$restore_trace'(_1573212, _1573214))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1573212, _1573214))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1445664), _1573188, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1445664)
   Fail: (218) [system] atomic(_1445664)
   Call: (218) [system] atom_chars(_1445664, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1582588)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1584446)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1592184)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1594888)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1609966)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1615536)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1617394)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1631548)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1615536)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1637118)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=(;)
   Fail: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Fail: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Fail: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Fail: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
   Fail: (220) [system] char_type('I', cntrl)
^  Fail: (219) [user] is_like_space('I')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1651272)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (218) [system] 'I'=')'
   Fail: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
   Fail: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1656842)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1658700)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1672854)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'='('
   Fail: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Fail: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Fail: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Fail: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Fail: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Fail: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Fail: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1656842)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1690496)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1691430)
   Exit: (221) [system] peek_char((0x558d99e6bec0), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Fail: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_1696150, v('(', ')', end_of_file), m)
   Fail: (222) [system] arg(_1697082, v('(', ')', end_of_file), m)
^  Fail: (221) [user] is_delimiter(m)
   Call: (221) [system] ')'==m
   Fail: (221) [system] ')'==m
   Call: (221) [system] get_char((0x558d99e6bec0), m)
   Exit: (221) [system] get_char((0x558d99e6bec0), m)
   Call: (221) [system] m=(\)
   Fail: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1704432)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1705366)
   Exit: (222) [system] peek_char((0x558d99e6bec0), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Fail: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_1710086, v('(', ')', end_of_file), p)
   Fail: (223) [system] arg(_1711018, v('(', ')', end_of_file), p)
^  Fail: (222) [user] is_delimiter(p)
   Call: (222) [system] ')'==p
   Fail: (222) [system] ')'==p
   Call: (222) [system] get_char((0x558d99e6bec0), p)
   Exit: (222) [system] get_char((0x558d99e6bec0), p)
   Call: (222) [system] p=(\)
   Fail: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1718368)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1719302)
   Exit: (223) [system] peek_char((0x558d99e6bec0), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Fail: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_1724022, v('(', ')', end_of_file), l)
   Fail: (224) [system] arg(_1724954, v('(', ')', end_of_file), l)
^  Fail: (223) [user] is_delimiter(l)
   Call: (223) [system] ')'==l
   Fail: (223) [system] ')'==l
   Call: (223) [system] get_char((0x558d99e6bec0), l)
   Exit: (223) [system] get_char((0x558d99e6bec0), l)
   Call: (223) [system] l=(\)
   Fail: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1732304)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1733238)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1737958, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_1738890, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1746240)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1747174)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1751894, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_1752826, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1760176)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1761110)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_1765830, v('(', ')', end_of_file), a)
   Fail: (227) [system] arg(_1766762, v('(', ')', end_of_file), a)
^  Fail: (226) [user] is_delimiter(a)
   Call: (226) [system] ')'==a
   Fail: (226) [system] ')'==a
   Call: (226) [system] get_char((0x558d99e6bec0), a)
   Exit: (226) [system] get_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(\)
   Fail: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1774112)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1775046)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1779766, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1780698, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1788048)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1788982)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1793702, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1794634, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1801984)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1802918)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1807638, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1808570, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1815920)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1816854)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1821574, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1822506, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1829856)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1830790)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1829856=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1815920=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (229) [system] _1801984=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (228) [system] _1788048=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (227) [system] _1774112=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (226) [system] _1760176=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (225) [system] _1746240=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (224) [system] _1732304=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (223) [system] _1718368=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _1704432=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _1690496=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1656842)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1868040, _1868042), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1656842), _1868016, fail)), '$restore_trace'(_1868040, _1868042))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1868040, _1868042))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1656842), _1868016, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1656842)
   Fail: (221) [system] atomic(_1656842)
   Call: (221) [system] atom_chars(_1656842, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1877416)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1879274)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1887012)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1889716)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1904794)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1910364)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1912222)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1926376)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1910364)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1931946)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1946100)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1951670)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1953528)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1967682)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1951670)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1985324)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1986258)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1990978, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1991910, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1999260)
   Call: (225) [system] peek_char((0x558d99e6bec0), _2000194)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_2004914, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_2005846, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2013196)
   Call: (226) [system] peek_char((0x558d99e6bec0), _2014130)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_2018850, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_2019782, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2027132)
   Call: (227) [system] peek_char((0x558d99e6bec0), _2028066)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_2032786, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_2033718, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2041068)
   Call: (228) [system] peek_char((0x558d99e6bec0), _2042002)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_2046722, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_2047654, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2055004)
   Call: (229) [system] peek_char((0x558d99e6bec0), _2055938)
   Exit: (229) [system] peek_char((0x558d99e6bec0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_2060658, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_2061590, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x558d99e6bec0), k)
   Exit: (229) [system] get_char((0x558d99e6bec0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2068940)
   Call: (230) [system] peek_char((0x558d99e6bec0), _2069874)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _2068940=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _2055004=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (228) [system] _2041068=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (227) [system] _2027132=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (226) [system] _2013196=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (225) [system] _1999260=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (224) [system] _1985324=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1951670)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_2095948, _2095950), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1951670), _2095924, fail)), '$restore_trace'(_2095948, _2095950))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_6330, _6332))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _6260), _6306, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_6260)
   Fail: (224) [system] atomic(_6260)
   Call: (224) [system] atom_chars(_6260, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _14722)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _16580)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _24318)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _27022)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _42100)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _47670)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _49528)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _63682)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _47670)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _81324)
   Call: (225) [system] peek_char((0x558d99e6bec0), _82258)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _81324=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('A', [], _47670)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_91568, _91570), once(user:catch(read_from_chars(['A'], _47670), _91544, fail)), '$restore_trace'(_91568, _91570))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_91568, _91570))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _47670), _91544, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_47670)
   Fail: (225) [system] atomic(_47670)
   Call: (225) [system] atom_chars(_47670, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _100944)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _102802)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _110540)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _113244)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _128322)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (223) [system] 'B'=')'
   Fail: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _133892)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _135750)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'=(;)
   Fail: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Fail: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Fail: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Fail: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
   Fail: (226) [system] char_type('B', cntrl)
^  Fail: (225) [user] is_like_space('B')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _149904)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'='('
   Fail: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Fail: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Fail: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Fail: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Fail: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Fail: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Fail: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _133892)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _167546)
   Call: (226) [system] peek_char((0x558d99e6bec0), _168480)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_173200, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _167546=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('B', [], _133892)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_179662, _179664), once(user:catch(read_from_chars(['B'], _133892), _179638, fail)), '$restore_trace'(_179662, _179664))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_179662, _179664))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _133892), _179638, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_133892)
   Fail: (226) [system] atomic(_133892)
   Call: (226) [system] atom_chars(_133892, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _189038)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _190896)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _205050)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _208840)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _189038=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _100944=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (222) [system] _14722=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (221) [system] _6254=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _222722)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _224580)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _232318)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _235022)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _250100)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (220) [system] 'C'=')'
   Fail: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
   Fail: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _255670)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _257528)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=(;)
   Fail: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Fail: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Fail: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Fail: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
   Fail: (223) [system] char_type('C', cntrl)
^  Fail: (222) [user] is_like_space('C')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _271682)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'='('
   Fail: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Fail: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Fail: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Fail: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Fail: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Fail: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Fail: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _255670)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _289324)
   Call: (223) [system] peek_char((0x558d99e6bec0), _290258)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_294978, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _289324=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('C', [], _255670)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_301440, _301442), once(user:catch(read_from_chars(['C'], _255670), _301416, fail)), '$restore_trace'(_301440, _301442))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_301440, _301442))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _255670), _301416, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_255670)
   Fail: (223) [system] atomic(_255670)
   Call: (223) [system] atom_chars(_255670, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _310816)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _312674)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _326828)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _330618)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _310816=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _222722=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (219) [system] _6250=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _6242=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _344500)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _346358)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _354096)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _356800)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _371878)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _377448)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _379306)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _393460)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _377448)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _399030)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _413184)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=')'
   Fail: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _418754)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _420612)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _434766)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'='('
   Fail: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Fail: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Fail: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Fail: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Fail: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Fail: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Fail: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _418754)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _452408)
   Call: (222) [system] peek_char((0x558d99e6bec0), _453342)
   Exit: (222) [system] peek_char((0x558d99e6bec0), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Fail: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_458062, v('(', ')', end_of_file), r)
   Fail: (223) [system] arg(_458994, v('(', ')', end_of_file), r)
^  Fail: (222) [user] is_delimiter(r)
   Call: (222) [system] ')'==r
   Fail: (222) [system] ')'==r
   Call: (222) [system] get_char((0x558d99e6bec0), r)
   Exit: (222) [system] get_char((0x558d99e6bec0), r)
   Call: (222) [system] r=(\)
   Fail: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _466344)
   Call: (223) [system] peek_char((0x558d99e6bec0), _467278)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Fail: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_471998, v('(', ')', end_of_file), 'L')
   Fail: (224) [system] arg(_472930, v('(', ')', end_of_file), 'L')
^  Fail: (223) [user] is_delimiter('L')
   Call: (223) [system] ')'=='L'
   Fail: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (223) [system] get_char((0x558d99e6bec0), 'L')
   Call: (223) [system] 'L'=(\)
   Fail: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _480280)
   Call: (224) [system] peek_char((0x558d99e6bec0), _481214)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_485934, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_486866, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _494216)
   Call: (225) [system] peek_char((0x558d99e6bec0), _495150)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_499870, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_500802, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _508152)
   Call: (226) [system] peek_char((0x558d99e6bec0), _509086)
   Exit: (226) [system] peek_char((0x558d99e6bec0), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Fail: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_513806, v('(', ')', end_of_file), k)
   Fail: (227) [system] arg(_514738, v('(', ')', end_of_file), k)
^  Fail: (226) [user] is_delimiter(k)
   Call: (226) [system] ')'==k
   Fail: (226) [system] ')'==k
   Call: (226) [system] get_char((0x558d99e6bec0), k)
   Exit: (226) [system] get_char((0x558d99e6bec0), k)
   Call: (226) [system] k=(\)
   Fail: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _522088)
   Call: (227) [system] peek_char((0x558d99e6bec0), _523022)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _522088=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _508152=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (225) [system] _494216=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (224) [system] _480280=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (223) [system] _466344=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (222) [system] _452408=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _418754)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_546302, _546304), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _418754), _546278, fail)), '$restore_trace'(_546302, _546304))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_546302, _546304))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _418754), _546278, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_418754)
   Fail: (222) [system] atomic(_418754)
   Call: (222) [system] atom_chars(_418754, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _555678)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _557536)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _565274)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _567978)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _583056)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (220) [system] 'A'=')'
   Fail: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
   Fail: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _588626)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _590484)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=(;)
   Fail: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Fail: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Fail: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Fail: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
   Fail: (223) [system] char_type('A', cntrl)
^  Fail: (222) [user] is_like_space('A')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _604638)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'='('
   Fail: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Fail: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Fail: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Fail: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Fail: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Fail: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Fail: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _588626)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _622280)
   Call: (223) [system] peek_char((0x558d99e6bec0), _623214)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _622280=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq('A', [], _588626)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_632524, _632526), once(user:catch(read_from_chars(['A'], _588626), _632500, fail)), '$restore_trace'(_632524, _632526))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_632524, _632526))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _588626), _632500, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_588626)
   Fail: (223) [system] atomic(_588626)
   Call: (223) [system] atom_chars(_588626, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _641900)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _643758)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _651496)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _654200)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _669278)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _674848)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _676706)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _690860)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _674848)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _696430)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'=(;)
   Fail: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Fail: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Fail: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Fail: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
   Fail: (225) [system] char_type('I', cntrl)
^  Fail: (224) [user] is_like_space('I')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _710584)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=')'
   Fail: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
   Fail: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _716154)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _718012)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=(;)
   Fail: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Fail: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Fail: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Fail: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
   Fail: (226) [system] char_type('I', cntrl)
^  Fail: (225) [user] is_like_space('I')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _732166)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'I')
   Call: (224) [system] 'I'='('
   Fail: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Fail: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Fail: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Fail: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Fail: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Fail: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Fail: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
   Fail: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _716154)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _749808)
   Call: (226) [system] peek_char((0x558d99e6bec0), _750742)
   Exit: (226) [system] peek_char((0x558d99e6bec0), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Fail: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_755462, v('(', ')', end_of_file), m)
   Fail: (227) [system] arg(_756394, v('(', ')', end_of_file), m)
^  Fail: (226) [user] is_delimiter(m)
   Call: (226) [system] ')'==m
   Fail: (226) [system] ')'==m
   Call: (226) [system] get_char((0x558d99e6bec0), m)
   Exit: (226) [system] get_char((0x558d99e6bec0), m)
   Call: (226) [system] m=(\)
   Fail: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _763744)
   Call: (227) [system] peek_char((0x558d99e6bec0), _764678)
   Exit: (227) [system] peek_char((0x558d99e6bec0), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Fail: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_769398, v('(', ')', end_of_file), p)
   Fail: (228) [system] arg(_770330, v('(', ')', end_of_file), p)
^  Fail: (227) [user] is_delimiter(p)
   Call: (227) [system] ')'==p
   Fail: (227) [system] ')'==p
   Call: (227) [system] get_char((0x558d99e6bec0), p)
   Exit: (227) [system] get_char((0x558d99e6bec0), p)
   Call: (227) [system] p=(\)
   Fail: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _777680)
   Call: (228) [system] peek_char((0x558d99e6bec0), _778614)
   Exit: (228) [system] peek_char((0x558d99e6bec0), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Fail: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_783334, v('(', ')', end_of_file), l)
   Fail: (229) [system] arg(_784266, v('(', ')', end_of_file), l)
^  Fail: (228) [user] is_delimiter(l)
   Call: (228) [system] ')'==l
   Fail: (228) [system] ')'==l
   Call: (228) [system] get_char((0x558d99e6bec0), l)
   Exit: (228) [system] get_char((0x558d99e6bec0), l)
   Call: (228) [system] l=(\)
   Fail: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _791616)
   Call: (229) [system] peek_char((0x558d99e6bec0), _792550)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_797270, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_798202, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _805552)
   Call: (230) [system] peek_char((0x558d99e6bec0), _806486)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_811206, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_812138, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _819488)
   Call: (231) [system] peek_char((0x558d99e6bec0), _820422)
   Exit: (231) [system] peek_char((0x558d99e6bec0), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Fail: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_825142, v('(', ')', end_of_file), a)
   Fail: (232) [system] arg(_826074, v('(', ')', end_of_file), a)
^  Fail: (231) [user] is_delimiter(a)
   Call: (231) [system] ')'==a
   Fail: (231) [system] ')'==a
   Call: (231) [system] get_char((0x558d99e6bec0), a)
   Exit: (231) [system] get_char((0x558d99e6bec0), a)
   Call: (231) [system] a=(\)
   Fail: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _833424)
   Call: (232) [system] peek_char((0x558d99e6bec0), _834358)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_839078, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_840010, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _847360)
   Call: (233) [system] peek_char((0x558d99e6bec0), _848294)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_853014, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_853946, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _861296)
   Call: (234) [system] peek_char((0x558d99e6bec0), _862230)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_866950, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_867882, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _875232)
   Call: (235) [system] peek_char((0x558d99e6bec0), _876166)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_880886, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_881818, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _889168)
   Call: (236) [system] peek_char((0x558d99e6bec0), _890102)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _889168=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _875232=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (234) [system] _861296=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (233) [system] _847360=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (232) [system] _833424=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (231) [system] _819488=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (230) [system] _805552=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (229) [system] _791616=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (228) [system] _777680=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _763744=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _749808=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _716154)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_927352, _927354), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _716154), _927328, fail)), '$restore_trace'(_927352, _927354))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_927352, _927354))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _716154), _927328, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_716154)
   Fail: (226) [system] atomic(_716154)
   Call: (226) [system] atom_chars(_716154, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _936728)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _938586)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _946324)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _949028)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _964106)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=')'
   Fail: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
   Fail: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _969676)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _971534)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=(;)
   Fail: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Fail: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Fail: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Fail: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
   Fail: (227) [system] char_type('(', cntrl)
^  Fail: (226) [user] is_like_space('(')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _985688)
   Exit: (225) [system] get_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _969676)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _991258)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1005412)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=')'
   Fail: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1010982)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1012840)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'=(;)
   Fail: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Fail: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Fail: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Fail: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
   Fail: (229) [system] char_type('A', cntrl)
^  Fail: (228) [user] is_like_space('A')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1026994)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'='('
   Fail: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Fail: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Fail: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Fail: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Fail: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Fail: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Fail: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1010982)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1044636)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1045570)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1050290, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1051222, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1058572)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1059506)
   Exit: (230) [system] peek_char((0x558d99e6bec0), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Fail: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1064226, v('(', ')', end_of_file), d)
   Fail: (231) [system] arg(_1065158, v('(', ')', end_of_file), d)
^  Fail: (230) [user] is_delimiter(d)
   Call: (230) [system] ')'==d
   Fail: (230) [system] ')'==d
   Call: (230) [system] get_char((0x558d99e6bec0), d)
   Exit: (230) [system] get_char((0x558d99e6bec0), d)
   Call: (230) [system] d=(\)
   Fail: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1072508)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1073442)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Fail: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1078162, v('(', ')', end_of_file), 'L')
   Fail: (232) [system] arg(_1079094, v('(', ')', end_of_file), 'L')
^  Fail: (231) [user] is_delimiter('L')
   Call: (231) [system] ')'=='L'
   Fail: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'L')
   Call: (231) [system] 'L'=(\)
   Fail: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1086444)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1087378)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1092098, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1093030, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1100380)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1101314)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1106034, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1106966, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1114316)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1115250)
   Exit: (234) [system] peek_char((0x558d99e6bec0), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Fail: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1119970, v('(', ')', end_of_file), k)
   Fail: (235) [system] arg(_1120902, v('(', ')', end_of_file), k)
^  Fail: (234) [user] is_delimiter(k)
   Call: (234) [system] ')'==k
   Fail: (234) [system] ')'==k
   Call: (234) [system] get_char((0x558d99e6bec0), k)
   Exit: (234) [system] get_char((0x558d99e6bec0), k)
   Call: (234) [system] k=(\)
   Fail: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1128252)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1129186)
   Exit: (235) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1128252=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (234) [system] _1114316=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (233) [system] _1100380=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (232) [system] _1086444=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (231) [system] _1072508=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (230) [system] _1058572=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (229) [system] _1044636=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1010982)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1155260, _1155262), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1010982), _1155236, fail)), '$restore_trace'(_1155260, _1155262))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1155260, _1155262))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1010982), _1155236, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1010982)
   Fail: (229) [system] atomic(_1010982)
   Call: (229) [system] atom_chars(_1010982, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1164636)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1166494)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _1174232)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1176936)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1192014)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=')'
   Fail: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
   Fail: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1197584)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1199442)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (229) [system] 'A'=(;)
   Fail: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Fail: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Fail: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Fail: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
   Fail: (230) [system] char_type('A', cntrl)
^  Fail: (229) [user] is_like_space('A')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _1213596)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'A')
   Call: (228) [system] 'A'='('
   Fail: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Fail: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Fail: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Fail: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Fail: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Fail: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Fail: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
   Fail: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1197584)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1231238)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1232172)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1231238=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1197584)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1241482, _1241484), once(user:catch(read_from_chars(['A'], _1197584), _1241458, fail)), '$restore_trace'(_1241482, _1241484))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1241482, _1241484))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1197584), _1241458, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1197584)
   Fail: (230) [system] atomic(_1197584)
   Call: (230) [system] atom_chars(_1197584, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1250858)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1252716)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (229) [system] ' '=(;)
   Fail: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x558d99e6bec0), _1260454)
   Exit: (229) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1263158)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1278236)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=')'
   Fail: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
   Fail: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1283806)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1285664)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (230) [system] 'B'=(;)
   Fail: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Fail: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Fail: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Fail: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
   Fail: (231) [system] char_type('B', cntrl)
^  Fail: (230) [user] is_like_space('B')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1299818)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'B')
   Call: (229) [system] 'B'='('
   Fail: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Fail: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Fail: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Fail: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Fail: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Fail: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Fail: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
   Fail: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1283806)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1317460)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1318394)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Fail: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1323114, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1317460=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1283806)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1329576, _1329578), once(user:catch(read_from_chars(['B'], _1283806), _1329552, fail)), '$restore_trace'(_1329576, _1329578))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1329576, _1329578))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1283806), _1329552, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1283806)
   Fail: (231) [system] atomic(_1283806)
   Call: (231) [system] atom_chars(_1283806, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _1338952)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1340810)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
   Call: (230) [system] ')'=(;)
   Fail: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Fail: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Fail: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
   Fail: (231) [system] char_type(')', cntrl)
^  Fail: (230) [user] is_like_space(')')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1354964)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x558d99e6bec0), _1358754)
   Exit: (229) [system] get_char((0x558d99e6bec0), ')')
   Call: (229) [system] _1338952=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1250858=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (227) [system] _1164636=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (226) [system] _969676=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1372636)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1374494)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _1382232)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1384936)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1400014)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=')'
   Fail: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
   Fail: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1405584)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1407442)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (227) [system] 'C'=(;)
   Fail: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Fail: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Fail: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Fail: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
   Fail: (228) [system] char_type('C', cntrl)
^  Fail: (227) [user] is_like_space('C')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1421596)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'C')
   Call: (226) [system] 'C'='('
   Fail: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Fail: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Fail: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Fail: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Fail: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Fail: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Fail: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
   Fail: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1405584)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1439238)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1440172)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1444892, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1439238=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _1405584)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1451354, _1451356), once(user:catch(read_from_chars(['C'], _1405584), _1451330, fail)), '$restore_trace'(_1451354, _1451356))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1451354, _1451356))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1405584), _1451330, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1405584)
   Fail: (228) [system] atomic(_1405584)
   Call: (228) [system] atom_chars(_1405584, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1460730)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1462588)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1476742)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _1480532)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _1460730=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1372636=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (224) [system] _936728=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _674848=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1494414)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1496272)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1510426)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _1514216)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _1494414=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _641900=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _555678=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _377448=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1528098)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1529956)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1544110)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _1547900)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _1528098=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _344500=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _6238=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _6230=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _1561782)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1563640)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=(;)
   Fail: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Fail: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Fail: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Fail: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
   Fail: (216) [system] char_type(')', cntrl)
^  Fail: (215) [user] is_like_space(')')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1577794)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x558d99e6bec0), _1581584)
   Exit: (214) [system] get_char((0x558d99e6bec0), ')')
   Call: (214) [system] _1561782=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (213) [system] _6226=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (212) [system] _6184=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (211) [system] _6176=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (210) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (209) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (209) [user] read_list(')', (0x558d99e6bec0), _1595466)
^  Call: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _1597324)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (211) [system] '\n'=(;)
   Fail: (211) [system] '\n'=(;)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Fail: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x558d99e6bec0), _1606918)
   Exit: (211) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1609622)
   Exit: (212) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (212) [system] ' '=(;)
   Fail: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x558d99e6bec0), _1617360)
   Exit: (212) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1620064)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (210) [user] skip_spaces((0x558d99e6bec0))
   Call: (210) [system] peek_char((0x558d99e6bec0), _1636066)
   Exit: (210) [system] peek_char((0x558d99e6bec0), '(')
   Call: (210) [system] '('=')'
   Fail: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
   Fail: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x558d99e6bec0), _1641636)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1643494)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=(;)
   Fail: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Fail: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Fail: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Fail: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
   Fail: (213) [system] char_type('(', cntrl)
^  Fail: (212) [user] is_like_space('(')
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] get_char((0x558d99e6bec0), _1657648)
   Exit: (211) [system] get_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _1641636)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1663218)
   Exit: (213) [system] peek_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)=(;)
   Fail: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Fail: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Fail: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Fail: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
   Fail: (214) [system] char_type(:, cntrl)
^  Fail: (213) [user] is_like_space(:)
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _1677372)
   Exit: (212) [system] peek_char((0x558d99e6bec0), :)
   Call: (212) [system] (:)=')'
   Fail: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
   Fail: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _1682942)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1684800)
   Exit: (214) [system] peek_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _1698954)
   Exit: (213) [system] get_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)='('
   Fail: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Fail: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Fail: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Fail: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Fail: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Fail: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Fail: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x558d99e6bec0), :, _1682942)
^  Call: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1716596)
   Call: (215) [system] peek_char((0x558d99e6bec0), _1717530)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1716596=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (214) [user] classify_and_convert_charseq(:, [], _1682942)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1726840, _1726842), once(user:catch(read_from_chars([:], _1682942), _1726816, fail)), '$restore_trace'(_1726840, _1726842))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1726840, _1726842))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1726816, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (213) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1734340)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1736198)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _1743936)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1746640)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1761718)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1767288)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1769146)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1783300)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1767288)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1788870)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=(;)
   Fail: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Fail: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Fail: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Fail: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
   Fail: (217) [system] char_type('D', cntrl)
^  Fail: (216) [user] is_like_space('D')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1803024)
   Exit: (215) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (215) [system] 'D'=')'
   Fail: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
   Fail: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1808594)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1810452)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1824606)
   Exit: (216) [system] get_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'='('
   Fail: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Fail: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Fail: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Fail: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Fail: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Fail: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Fail: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1808594)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1842248)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1843182)
   Exit: (218) [system] peek_char((0x558d99e6bec0), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Fail: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1847902, v('(', ')', end_of_file), i)
   Fail: (219) [system] arg(_1848834, v('(', ')', end_of_file), i)
^  Fail: (218) [user] is_delimiter(i)
   Call: (218) [system] ')'==i
   Fail: (218) [system] ')'==i
   Call: (218) [system] get_char((0x558d99e6bec0), i)
   Exit: (218) [system] get_char((0x558d99e6bec0), i)
   Call: (218) [system] i=(\)
   Fail: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1856184)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1857118)
   Exit: (219) [system] peek_char((0x558d99e6bec0), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Fail: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_1861838, v('(', ')', end_of_file), s)
   Fail: (220) [system] arg(_1862770, v('(', ')', end_of_file), s)
^  Fail: (219) [user] is_delimiter(s)
   Call: (219) [system] ')'==s
   Fail: (219) [system] ')'==s
   Call: (219) [system] get_char((0x558d99e6bec0), s)
   Exit: (219) [system] get_char((0x558d99e6bec0), s)
   Call: (219) [system] s=(\)
   Fail: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1870120)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1871054)
   Exit: (220) [system] peek_char((0x558d99e6bec0), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Fail: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_1875774, v('(', ')', end_of_file), j)
   Fail: (221) [system] arg(_1876706, v('(', ')', end_of_file), j)
^  Fail: (220) [user] is_delimiter(j)
   Call: (220) [system] ')'==j
   Fail: (220) [system] ')'==j
   Call: (220) [system] get_char((0x558d99e6bec0), j)
   Exit: (220) [system] get_char((0x558d99e6bec0), j)
   Call: (220) [system] j=(\)
   Fail: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1884056)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1884990)
   Exit: (221) [system] peek_char((0x558d99e6bec0), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Fail: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1889710, v('(', ')', end_of_file), u)
   Fail: (222) [system] arg(_1890642, v('(', ')', end_of_file), u)
^  Fail: (221) [user] is_delimiter(u)
   Call: (221) [system] ')'==u
   Fail: (221) [system] ')'==u
   Call: (221) [system] get_char((0x558d99e6bec0), u)
   Exit: (221) [system] get_char((0x558d99e6bec0), u)
   Call: (221) [system] u=(\)
   Fail: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1897992)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1898926)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1903646, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1904578, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1911928)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1912862)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1917582, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1918514, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1925864)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1926798)
   Exit: (224) [system] peek_char((0x558d99e6bec0), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Fail: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1931518, v('(', ')', end_of_file), t)
   Fail: (225) [system] arg(_1932450, v('(', ')', end_of_file), t)
^  Fail: (224) [user] is_delimiter(t)
   Call: (224) [system] ')'==t
   Fail: (224) [system] ')'==t
   Call: (224) [system] get_char((0x558d99e6bec0), t)
   Exit: (224) [system] get_char((0x558d99e6bec0), t)
   Call: (224) [system] t=(\)
   Fail: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1939800)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1940734)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1945454, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1946386, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1953736)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1954670)
   Exit: (226) [system] peek_char((0x558d99e6bec0), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Fail: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1959390, v('(', ')', end_of_file), o)
   Fail: (227) [system] arg(_1960322, v('(', ')', end_of_file), o)
^  Fail: (226) [user] is_delimiter(o)
   Call: (226) [system] ')'==o
   Fail: (226) [system] ')'==o
   Call: (226) [system] get_char((0x558d99e6bec0), o)
   Exit: (226) [system] get_char((0x558d99e6bec0), o)
   Call: (226) [system] o=(\)
   Fail: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1967672)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1968606)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1973326, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1974258, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1981608)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1982542)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Fail: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_1987262, v('(', ')', end_of_file), 'I')
   Fail: (229) [system] arg(_1988194, v('(', ')', end_of_file), 'I')
^  Fail: (228) [user] is_delimiter('I')
   Call: (228) [system] ')'=='I'
   Fail: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'I')
   Call: (228) [system] 'I'=(\)
   Fail: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1995544)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1996478)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_2001198, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_2002130, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2009480)
   Call: (230) [system] peek_char((0x558d99e6bec0), _2010414)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_2015134, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_2016066, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2023416)
   Call: (231) [system] peek_char((0x558d99e6bec0), _2024350)
   Exit: (231) [system] peek_char((0x558d99e6bec0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_2029070, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_2030002, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x558d99e6bec0), r)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2037352)
   Call: (232) [system] peek_char((0x558d99e6bec0), _2038286)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_2043006, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_2043938, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2051288)
   Call: (233) [system] peek_char((0x558d99e6bec0), _2052222)
   Exit: (233) [system] peek_char((0x558d99e6bec0), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Fail: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_2056942, v('(', ')', end_of_file), d)
   Fail: (234) [system] arg(_2057874, v('(', ')', end_of_file), d)
^  Fail: (233) [user] is_delimiter(d)
   Call: (233) [system] ')'==d
   Fail: (233) [system] ')'==d
   Call: (233) [system] get_char((0x558d99e6bec0), d)
   Exit: (233) [system] get_char((0x558d99e6bec0), d)
   Call: (233) [system] d=(\)
   Fail: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2065224)
   Call: (234) [system] peek_char((0x558d99e6bec0), _2066158)
   Exit: (234) [system] peek_char((0x558d99e6bec0), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Fail: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_2070878, v('(', ')', end_of_file), u)
   Fail: (235) [system] arg(_2071810, v('(', ')', end_of_file), u)
^  Fail: (234) [user] is_delimiter(u)
   Call: (234) [system] ')'==u
   Fail: (234) [system] ')'==u
   Call: (234) [system] get_char((0x558d99e6bec0), u)
   Exit: (234) [system] get_char((0x558d99e6bec0), u)
   Call: (234) [system] u=(\)
   Fail: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2079160)
   Call: (235) [system] peek_char((0x558d99e6bec0), _2080094)
   Exit: (235) [system] peek_char((0x558d99e6bec0), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Fail: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_2084814, v('(', ')', end_of_file), c)
   Fail: (236) [system] arg(_2085746, v('(', ')', end_of_file), c)
^  Fail: (235) [user] is_delimiter(c)
   Call: (235) [system] ')'==c
   Fail: (235) [system] ')'==c
   Call: (235) [system] get_char((0x558d99e6bec0), c)
   Exit: (235) [system] get_char((0x558d99e6bec0), c)
   Call: (235) [system] c=(\)
   Fail: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2093096)
   Call: (236) [system] peek_char((0x558d99e6bec0), _2094030)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_8322, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_9254, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _16604)
   Call: (237) [system] peek_char((0x558d99e6bec0), _17538)
   Exit: (237) [system] peek_char((0x558d99e6bec0), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Fail: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_22258, v('(', ')', end_of_file), i)
   Fail: (238) [system] arg(_23190, v('(', ')', end_of_file), i)
^  Fail: (237) [user] is_delimiter(i)
   Call: (237) [system] ')'==i
   Fail: (237) [system] ')'==i
   Call: (237) [system] get_char((0x558d99e6bec0), i)
   Exit: (237) [system] get_char((0x558d99e6bec0), i)
   Call: (237) [system] i=(\)
   Fail: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _30540)
   Call: (238) [system] peek_char((0x558d99e6bec0), _31474)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_36194, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_37126, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _44476)
   Call: (239) [system] peek_char((0x558d99e6bec0), _45410)
   Exit: (239) [system] peek_char((0x558d99e6bec0), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Fail: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_50130, v('(', ')', end_of_file), n)
   Fail: (240) [system] arg(_51062, v('(', ')', end_of_file), n)
^  Fail: (239) [user] is_delimiter(n)
   Call: (239) [system] ')'==n
   Fail: (239) [system] ')'==n
   Call: (239) [system] get_char((0x558d99e6bec0), n)
   Exit: (239) [system] get_char((0x558d99e6bec0), n)
   Call: (239) [system] n=(\)
   Fail: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _58412)
   Call: (240) [system] peek_char((0x558d99e6bec0), _59346)
   Exit: (240) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _58412=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (239) [system] _44476=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (238) [system] _30540=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (237) [system] _16604=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (236) [system] _6438=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (235) [system] _6434=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (234) [system] _6430=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (233) [system] _6426=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (232) [system] _6422=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _6418=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6414=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _6410=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _6406=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _6402=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _6398=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _6394=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _6390=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _6386=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _6382=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _6378=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _6374=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _6370=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _6366=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6362)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_130124, _130126), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6362), _130100, fail)), '$restore_trace'(_130124, _130126))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_130124, _130126))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6362), _130100, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_6362)
   Fail: (218) [system] atomic(_6362)
   Call: (218) [system] atom_chars(_6362, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _139500)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _141358)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _149096)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _151800)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _166878)
   Exit: (216) [system] peek_char((0x558d99e6bec0), a)
   Call: (216) [system] a=')'
   Fail: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
   Fail: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _172448)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _174306)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=(;)
   Fail: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Fail: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Fail: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Fail: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
   Fail: (219) [system] char_type(a, cntrl)
^  Fail: (218) [user] is_like_space(a)
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _188460)
   Exit: (217) [system] get_char((0x558d99e6bec0), a)
   Call: (217) [system] a='('
   Fail: (217) [system] a='('
   Call: (217) [system] a='['
   Fail: (217) [system] a='['
   Call: (217) [system] a='{'
   Fail: (217) [system] a='{'
   Call: (217) [system] a='"'
   Fail: (217) [system] a='"'
   Call: (217) [system] a=!
   Fail: (217) [system] a=!
   Call: (217) [system] a='\''
   Fail: (217) [system] a='\''
   Call: (217) [system] a='`'
   Fail: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, _172448)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _206102)
   Call: (219) [system] peek_char((0x558d99e6bec0), _207036)
   Exit: (219) [system] peek_char((0x558d99e6bec0), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Fail: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_211756, v('(', ')', end_of_file), b)
   Fail: (220) [system] arg(_212688, v('(', ')', end_of_file), b)
^  Fail: (219) [user] is_delimiter(b)
   Call: (219) [system] ')'==b
   Fail: (219) [system] ')'==b
   Call: (219) [system] get_char((0x558d99e6bec0), b)
   Exit: (219) [system] get_char((0x558d99e6bec0), b)
   Call: (219) [system] b=(\)
   Fail: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _220038)
   Call: (220) [system] peek_char((0x558d99e6bec0), _220972)
   Exit: (220) [system] peek_char((0x558d99e6bec0), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Fail: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_225692, v('(', ')', end_of_file), c)
   Fail: (221) [system] arg(_226624, v('(', ')', end_of_file), c)
^  Fail: (220) [user] is_delimiter(c)
   Call: (220) [system] ')'==c
   Fail: (220) [system] ')'==c
   Call: (220) [system] get_char((0x558d99e6bec0), c)
   Exit: (220) [system] get_char((0x558d99e6bec0), c)
   Call: (220) [system] c=(\)
   Fail: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _233974)
   Call: (221) [system] peek_char((0x558d99e6bec0), _234908)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _233974=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (220) [system] _220038=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (219) [system] _206102=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _172448)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_249806, _249808), once(user:catch(read_from_chars([a, b, c], _172448), _249782, fail)), '$restore_trace'(_249806, _249808))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_249806, _249808))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _249782, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _257306)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _259164)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _266902)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _269606)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _284684)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _290254)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _292112)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _306266)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _290254)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _311836)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _325990)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=')'
   Fail: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _331560)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _333418)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _347572)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'='('
   Fail: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Fail: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Fail: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Fail: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Fail: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Fail: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Fail: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _331560)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _365214)
   Call: (222) [system] peek_char((0x558d99e6bec0), _366148)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_370868, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_371800, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _379150)
   Call: (223) [system] peek_char((0x558d99e6bec0), _380084)
   Exit: (223) [system] peek_char((0x558d99e6bec0), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Fail: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_384804, v('(', ')', end_of_file), s)
   Fail: (224) [system] arg(_385736, v('(', ')', end_of_file), s)
^  Fail: (223) [user] is_delimiter(s)
   Call: (223) [system] ')'==s
   Fail: (223) [system] ')'==s
   Call: (223) [system] get_char((0x558d99e6bec0), s)
   Exit: (223) [system] get_char((0x558d99e6bec0), s)
   Call: (223) [system] s=(\)
   Fail: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _393086)
   Call: (224) [system] peek_char((0x558d99e6bec0), _394020)
   Exit: (224) [system] peek_char((0x558d99e6bec0), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Fail: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_398740, v('(', ')', end_of_file), j)
   Fail: (225) [system] arg(_399672, v('(', ')', end_of_file), j)
^  Fail: (224) [user] is_delimiter(j)
   Call: (224) [system] ')'==j
   Fail: (224) [system] ')'==j
   Call: (224) [system] get_char((0x558d99e6bec0), j)
   Exit: (224) [system] get_char((0x558d99e6bec0), j)
   Call: (224) [system] j=(\)
   Fail: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _407022)
   Call: (225) [system] peek_char((0x558d99e6bec0), _407956)
   Exit: (225) [system] peek_char((0x558d99e6bec0), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Fail: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_412676, v('(', ')', end_of_file), u)
   Fail: (226) [system] arg(_413608, v('(', ')', end_of_file), u)
^  Fail: (225) [user] is_delimiter(u)
   Call: (225) [system] ')'==u
   Fail: (225) [system] ')'==u
   Call: (225) [system] get_char((0x558d99e6bec0), u)
   Exit: (225) [system] get_char((0x558d99e6bec0), u)
   Call: (225) [system] u=(\)
   Fail: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _420958)
   Call: (226) [system] peek_char((0x558d99e6bec0), _421892)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_426612, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_427544, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _434894)
   Call: (227) [system] peek_char((0x558d99e6bec0), _435828)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_440548, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_441480, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _448830)
   Call: (228) [system] peek_char((0x558d99e6bec0), _449764)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_454484, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_455416, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _462766)
   Call: (229) [system] peek_char((0x558d99e6bec0), _463700)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_468420, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_469352, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _476702)
   Call: (230) [system] peek_char((0x558d99e6bec0), _477636)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_482356, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_483288, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _490638)
   Call: (231) [system] peek_char((0x558d99e6bec0), _491572)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_496292, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_497224, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _504574)
   Call: (232) [system] peek_char((0x558d99e6bec0), _505508)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Fail: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_510228, v('(', ')', end_of_file), 'I')
   Fail: (233) [system] arg(_511160, v('(', ')', end_of_file), 'I')
^  Fail: (232) [user] is_delimiter('I')
   Call: (232) [system] ')'=='I'
   Fail: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (232) [system] get_char((0x558d99e6bec0), 'I')
   Call: (232) [system] 'I'=(\)
   Fail: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _518510)
   Call: (233) [system] peek_char((0x558d99e6bec0), _519444)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_524164, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_525096, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _532446)
   Call: (234) [system] peek_char((0x558d99e6bec0), _533380)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_538100, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_539032, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _546382)
   Call: (235) [system] peek_char((0x558d99e6bec0), _547316)
   Exit: (235) [system] peek_char((0x558d99e6bec0), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Fail: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_552036, v('(', ')', end_of_file), r)
   Fail: (236) [system] arg(_552968, v('(', ')', end_of_file), r)
^  Fail: (235) [user] is_delimiter(r)
   Call: (235) [system] ')'==r
   Fail: (235) [system] ')'==r
   Call: (235) [system] get_char((0x558d99e6bec0), r)
   Exit: (235) [system] get_char((0x558d99e6bec0), r)
   Call: (235) [system] r=(\)
   Fail: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _560318)
   Call: (236) [system] peek_char((0x558d99e6bec0), _561252)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_565972, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_566904, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _574254)
   Call: (237) [system] peek_char((0x558d99e6bec0), _575188)
   Exit: (237) [system] peek_char((0x558d99e6bec0), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Fail: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_579908, v('(', ')', end_of_file), d)
   Fail: (238) [system] arg(_580840, v('(', ')', end_of_file), d)
^  Fail: (237) [user] is_delimiter(d)
   Call: (237) [system] ')'==d
   Fail: (237) [system] ')'==d
   Call: (237) [system] get_char((0x558d99e6bec0), d)
   Exit: (237) [system] get_char((0x558d99e6bec0), d)
   Call: (237) [system] d=(\)
   Fail: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _588190)
   Call: (238) [system] peek_char((0x558d99e6bec0), _589124)
   Exit: (238) [system] peek_char((0x558d99e6bec0), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Fail: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_593844, v('(', ')', end_of_file), u)
   Fail: (239) [system] arg(_594776, v('(', ')', end_of_file), u)
^  Fail: (238) [user] is_delimiter(u)
   Call: (238) [system] ')'==u
   Fail: (238) [system] ')'==u
   Call: (238) [system] get_char((0x558d99e6bec0), u)
   Exit: (238) [system] get_char((0x558d99e6bec0), u)
   Call: (238) [system] u=(\)
   Fail: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _602126)
   Call: (239) [system] peek_char((0x558d99e6bec0), _603060)
   Exit: (239) [system] peek_char((0x558d99e6bec0), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Fail: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_607780, v('(', ')', end_of_file), c)
   Fail: (240) [system] arg(_608712, v('(', ')', end_of_file), c)
^  Fail: (239) [user] is_delimiter(c)
   Call: (239) [system] ')'==c
   Fail: (239) [system] ')'==c
   Call: (239) [system] get_char((0x558d99e6bec0), c)
   Exit: (239) [system] get_char((0x558d99e6bec0), c)
   Call: (239) [system] c=(\)
   Fail: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _616062)
   Call: (240) [system] peek_char((0x558d99e6bec0), _616996)
   Exit: (240) [system] peek_char((0x558d99e6bec0), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Fail: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_621716, v('(', ')', end_of_file), t)
   Fail: (241) [system] arg(_622648, v('(', ')', end_of_file), t)
^  Fail: (240) [user] is_delimiter(t)
   Call: (240) [system] ')'==t
   Fail: (240) [system] ')'==t
   Call: (240) [system] get_char((0x558d99e6bec0), t)
   Exit: (240) [system] get_char((0x558d99e6bec0), t)
   Call: (240) [system] t=(\)
   Fail: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _629998)
   Call: (241) [system] peek_char((0x558d99e6bec0), _630932)
   Exit: (241) [system] peek_char((0x558d99e6bec0), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Fail: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_635652, v('(', ')', end_of_file), i)
   Fail: (242) [system] arg(_636584, v('(', ')', end_of_file), i)
^  Fail: (241) [user] is_delimiter(i)
   Call: (241) [system] ')'==i
   Fail: (241) [system] ')'==i
   Call: (241) [system] get_char((0x558d99e6bec0), i)
   Exit: (241) [system] get_char((0x558d99e6bec0), i)
   Call: (241) [system] i=(\)
   Fail: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _643934)
   Call: (242) [system] peek_char((0x558d99e6bec0), _644868)
   Exit: (242) [system] peek_char((0x558d99e6bec0), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Fail: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_649588, v('(', ')', end_of_file), o)
   Fail: (243) [system] arg(_650520, v('(', ')', end_of_file), o)
^  Fail: (242) [user] is_delimiter(o)
   Call: (242) [system] ')'==o
   Fail: (242) [system] ')'==o
   Call: (242) [system] get_char((0x558d99e6bec0), o)
   Exit: (242) [system] get_char((0x558d99e6bec0), o)
   Call: (242) [system] o=(\)
   Fail: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _657870)
   Call: (243) [system] peek_char((0x558d99e6bec0), _658804)
   Exit: (243) [system] peek_char((0x558d99e6bec0), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Fail: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_663524, v('(', ')', end_of_file), n)
   Fail: (244) [system] arg(_664456, v('(', ')', end_of_file), n)
^  Fail: (243) [user] is_delimiter(n)
   Call: (243) [system] ')'==n
   Fail: (243) [system] ')'==n
   Call: (243) [system] get_char((0x558d99e6bec0), n)
   Exit: (243) [system] get_char((0x558d99e6bec0), n)
   Call: (243) [system] n=(\)
   Fail: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _671806)
   Call: (244) [system] peek_char((0x558d99e6bec0), _672740)
   Exit: (244) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _671806=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (243) [system] _657870=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (242) [system] _643934=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (241) [system] _629998=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (240) [system] _616062=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (239) [system] _602126=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (238) [system] _588190=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (237) [system] _574254=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (236) [system] _560318=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _546382=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _532446=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _518510=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _504574=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _490638=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _476702=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _462766=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _448830=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _434894=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _420958=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _407022=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _393086=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _379150=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _365214=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _331560)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_743518, _743520), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _331560), _743494, fail)), '$restore_trace'(_743518, _743520))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_743518, _743520))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _331560), _743494, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_331560)
   Fail: (222) [system] atomic(_331560)
   Call: (222) [system] atom_chars(_331560, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _752894)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _754752)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _762490)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _765194)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _780272)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=')'
   Fail: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _785842)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _787700)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=(;)
   Fail: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Fail: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Fail: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Fail: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
   Fail: (223) [system] char_type(a, cntrl)
^  Fail: (222) [user] is_like_space(a)
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _801854)
   Exit: (221) [system] get_char((0x558d99e6bec0), a)
   Call: (221) [system] a='('
   Fail: (221) [system] a='('
   Call: (221) [system] a='['
   Fail: (221) [system] a='['
   Call: (221) [system] a='{'
   Fail: (221) [system] a='{'
   Call: (221) [system] a='"'
   Fail: (221) [system] a='"'
   Call: (221) [system] a=!
   Fail: (221) [system] a=!
   Call: (221) [system] a='\''
   Fail: (221) [system] a='\''
   Call: (221) [system] a='`'
   Fail: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), a, _785842)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _819496)
   Call: (223) [system] peek_char((0x558d99e6bec0), _820430)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _819496=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (222) [user] classify_and_convert_charseq(a, [], _785842)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_829740, _829742), once(user:catch(read_from_chars([a], _785842), _829716, fail)), '$restore_trace'(_829740, _829742))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_829740, _829742))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _829716, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _837240)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _839098)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _846836)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _849540)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _864618)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _870188)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _872046)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _886200)
   Exit: (222) [system] get_char((0x558d99e6bec0), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), a, _870188)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _903842)
   Call: (224) [system] peek_char((0x558d99e6bec0), _904776)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_909496, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _903842=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq(a, [], _870188)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_915958, _915960), once(user:catch(read_from_chars([a], _870188), _915934, fail)), '$restore_trace'(_915958, _915960))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_915958, _915960))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _915934, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _923458)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _925316)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _939470)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _943260)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _923458=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _837240=[a]
   Exit: (221) [system] [a]=[a]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (220) [system] _752894=[a, a]
   Exit: (220) [system] [a, a]=[a, a]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (219) [system] _290254=['DisjunctionIntroduction', a, a]
   Exit: (219) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _957142)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _959000)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=(;)
   Fail: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Fail: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Fail: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Fail: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
   Fail: (220) [system] char_type(')', cntrl)
^  Fail: (219) [user] is_like_space(')')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _973154)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x558d99e6bec0), _976944)
   Exit: (218) [system] get_char((0x558d99e6bec0), ')')
   Call: (218) [system] _957142=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (217) [system] _257306=[['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a]])
   Call: (216) [system] _139500=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (216) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (215) [system] _6356=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _990826)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _992684)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1000422)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1003126)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1018204)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _1023774)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1025632)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _1039786)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1023774)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1045356)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=(;)
   Fail: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Fail: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Fail: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Fail: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
   Fail: (218) [system] char_type('O', cntrl)
^  Fail: (217) [user] is_like_space('O')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1059510)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (216) [system] 'O'=')'
   Fail: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
   Fail: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1065080)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1066938)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1081092)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'='('
   Fail: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Fail: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Fail: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Fail: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Fail: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Fail: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Fail: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1065080)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1098734)
   Call: (219) [system] peek_char((0x558d99e6bec0), _1099668)
   Exit: (219) [system] peek_char((0x558d99e6bec0), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Fail: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1104388, v('(', ')', end_of_file), r)
   Fail: (220) [system] arg(_1105320, v('(', ')', end_of_file), r)
^  Fail: (219) [user] is_delimiter(r)
   Call: (219) [system] ')'==r
   Fail: (219) [system] ')'==r
   Call: (219) [system] get_char((0x558d99e6bec0), r)
   Exit: (219) [system] get_char((0x558d99e6bec0), r)
   Call: (219) [system] r=(\)
   Fail: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1112670)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1113604)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Fail: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1118324, v('(', ')', end_of_file), 'L')
   Fail: (221) [system] arg(_1119256, v('(', ')', end_of_file), 'L')
^  Fail: (220) [user] is_delimiter('L')
   Call: (220) [system] ')'=='L'
   Fail: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (220) [system] get_char((0x558d99e6bec0), 'L')
   Call: (220) [system] 'L'=(\)
   Fail: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1126606)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1127540)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1132260, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1133192, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1140542)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1141476)
   Exit: (222) [system] peek_char((0x558d99e6bec0), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Fail: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1146196, v('(', ')', end_of_file), n)
   Fail: (223) [system] arg(_1147128, v('(', ')', end_of_file), n)
^  Fail: (222) [user] is_delimiter(n)
   Call: (222) [system] ')'==n
   Fail: (222) [system] ')'==n
   Call: (222) [system] get_char((0x558d99e6bec0), n)
   Exit: (222) [system] get_char((0x558d99e6bec0), n)
   Call: (222) [system] n=(\)
   Fail: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154478)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1155412)
   Exit: (223) [system] peek_char((0x558d99e6bec0), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Fail: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1160132, v('(', ')', end_of_file), k)
   Fail: (224) [system] arg(_1161064, v('(', ')', end_of_file), k)
^  Fail: (223) [user] is_delimiter(k)
   Call: (223) [system] ')'==k
   Fail: (223) [system] ')'==k
   Call: (223) [system] get_char((0x558d99e6bec0), k)
   Exit: (223) [system] get_char((0x558d99e6bec0), k)
   Call: (223) [system] k=(\)
   Fail: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1168414)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1169348)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1168414=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1154478=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (222) [system] _1140542=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (221) [system] _1126606=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (220) [system] _1112670=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (219) [system] _1098734=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1065080)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1192628, _1192630), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1065080), _1192604, fail)), '$restore_trace'(_1192628, _1192630))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1192628, _1192630))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1065080), _1192604, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1065080)
   Fail: (219) [system] atomic(_1065080)
   Call: (219) [system] atom_chars(_1065080, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1202004)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1203862)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1211600)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1214304)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1229382)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=')'
   Fail: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
   Fail: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1234952)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1236810)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=(;)
   Fail: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Fail: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Fail: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Fail: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
   Fail: (220) [system] char_type('(', cntrl)
^  Fail: (219) [user] is_like_space('(')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1250964)
   Exit: (218) [system] get_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1234952)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1256534)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=(;)
   Fail: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Fail: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Fail: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Fail: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
   Fail: (221) [system] char_type('I', cntrl)
^  Fail: (220) [user] is_like_space('I')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1270688)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (219) [system] 'I'=')'
   Fail: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
   Fail: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1276258)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1278116)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1292270)
   Exit: (220) [system] get_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'='('
   Fail: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Fail: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Fail: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Fail: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Fail: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Fail: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Fail: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1276258)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1309912)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1310846)
   Exit: (222) [system] peek_char((0x558d99e6bec0), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Fail: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1315566, v('(', ')', end_of_file), m)
   Fail: (223) [system] arg(_1316498, v('(', ')', end_of_file), m)
^  Fail: (222) [user] is_delimiter(m)
   Call: (222) [system] ')'==m
   Fail: (222) [system] ')'==m
   Call: (222) [system] get_char((0x558d99e6bec0), m)
   Exit: (222) [system] get_char((0x558d99e6bec0), m)
   Call: (222) [system] m=(\)
   Fail: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1323848)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1324782)
   Exit: (223) [system] peek_char((0x558d99e6bec0), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Fail: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1329502, v('(', ')', end_of_file), p)
   Fail: (224) [system] arg(_1330434, v('(', ')', end_of_file), p)
^  Fail: (223) [user] is_delimiter(p)
   Call: (223) [system] ')'==p
   Fail: (223) [system] ')'==p
   Call: (223) [system] get_char((0x558d99e6bec0), p)
   Exit: (223) [system] get_char((0x558d99e6bec0), p)
   Call: (223) [system] p=(\)
   Fail: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1337784)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1338718)
   Exit: (224) [system] peek_char((0x558d99e6bec0), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Fail: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1343438, v('(', ')', end_of_file), l)
   Fail: (225) [system] arg(_1344370, v('(', ')', end_of_file), l)
^  Fail: (224) [user] is_delimiter(l)
   Call: (224) [system] ')'==l
   Fail: (224) [system] ')'==l
   Call: (224) [system] get_char((0x558d99e6bec0), l)
   Exit: (224) [system] get_char((0x558d99e6bec0), l)
   Call: (224) [system] l=(\)
   Fail: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1351720)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1352654)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1357374, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_1358306, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1365656)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1366590)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1371310, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1372242, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1379592)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1380526)
   Exit: (227) [system] peek_char((0x558d99e6bec0), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Fail: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1385246, v('(', ')', end_of_file), a)
   Fail: (228) [system] arg(_1386178, v('(', ')', end_of_file), a)
^  Fail: (227) [user] is_delimiter(a)
   Call: (227) [system] ')'==a
   Fail: (227) [system] ')'==a
   Call: (227) [system] get_char((0x558d99e6bec0), a)
   Exit: (227) [system] get_char((0x558d99e6bec0), a)
   Call: (227) [system] a=(\)
   Fail: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1393528)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1394462)
   Exit: (228) [system] peek_char((0x558d99e6bec0), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Fail: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1399182, v('(', ')', end_of_file), t)
   Fail: (229) [system] arg(_1400114, v('(', ')', end_of_file), t)
^  Fail: (228) [user] is_delimiter(t)
   Call: (228) [system] ')'==t
   Fail: (228) [system] ')'==t
   Call: (228) [system] get_char((0x558d99e6bec0), t)
   Exit: (228) [system] get_char((0x558d99e6bec0), t)
   Call: (228) [system] t=(\)
   Fail: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1407464)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1408398)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1413118, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_1414050, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1421400)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1422334)
   Exit: (230) [system] peek_char((0x558d99e6bec0), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Fail: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1427054, v('(', ')', end_of_file), o)
   Fail: (231) [system] arg(_1427986, v('(', ')', end_of_file), o)
^  Fail: (230) [user] is_delimiter(o)
   Call: (230) [system] ')'==o
   Fail: (230) [system] ')'==o
   Call: (230) [system] get_char((0x558d99e6bec0), o)
   Exit: (230) [system] get_char((0x558d99e6bec0), o)
   Call: (230) [system] o=(\)
   Fail: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1435336)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1436270)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1440990, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_1441922, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1449272)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1450206)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1449272=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _1435336=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (230) [system] _1421400=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (229) [system] _1407464=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (228) [system] _1393528=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (227) [system] _1379592=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (226) [system] _1365656=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (225) [system] _1351720=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (224) [system] _1337784=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1323848=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1309912=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1276258)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1487456, _1487458), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1276258), _1487432, fail)), '$restore_trace'(_1487456, _1487458))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1487456, _1487458))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1276258), _1487432, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1276258)
   Fail: (222) [system] atomic(_1276258)
   Call: (222) [system] atom_chars(_1276258, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1496832)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1498690)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1506428)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1509132)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1524210)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1529780)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1531638)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1545792)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1529780)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1551362)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1565516)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1571086)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1572944)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1587098)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1571086)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1604740)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1605674)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1610394, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1611326, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1618676)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1619610)
   Exit: (226) [system] peek_char((0x558d99e6bec0), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Fail: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1624330, v('(', ')', end_of_file), d)
   Fail: (227) [system] arg(_1625262, v('(', ')', end_of_file), d)
^  Fail: (226) [user] is_delimiter(d)
   Call: (226) [system] ')'==d
   Fail: (226) [system] ')'==d
   Call: (226) [system] get_char((0x558d99e6bec0), d)
   Exit: (226) [system] get_char((0x558d99e6bec0), d)
   Call: (226) [system] d=(\)
   Fail: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1632612)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1633546)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Fail: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1638266, v('(', ')', end_of_file), 'L')
   Fail: (228) [system] arg(_1639198, v('(', ')', end_of_file), 'L')
^  Fail: (227) [user] is_delimiter('L')
   Call: (227) [system] ')'=='L'
   Fail: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (227) [system] get_char((0x558d99e6bec0), 'L')
   Call: (227) [system] 'L'=(\)
   Fail: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1646548)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1647482)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1652202, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1653134, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1660484)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1661418)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1666138, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1667070, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1674420)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1675354)
   Exit: (230) [system] peek_char((0x558d99e6bec0), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Fail: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1680074, v('(', ')', end_of_file), k)
   Fail: (231) [system] arg(_1681006, v('(', ')', end_of_file), k)
^  Fail: (230) [user] is_delimiter(k)
   Call: (230) [system] ')'==k
   Fail: (230) [system] ')'==k
   Call: (230) [system] get_char((0x558d99e6bec0), k)
   Exit: (230) [system] get_char((0x558d99e6bec0), k)
   Call: (230) [system] k=(\)
   Fail: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1688356)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1689290)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1688356=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1674420=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (229) [system] _1660484=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (228) [system] _1646548=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (227) [system] _1632612=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (226) [system] _1618676=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (225) [system] _1604740=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1571086)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1715364, _1715366), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1571086), _1715340, fail)), '$restore_trace'(_1715364, _1715366))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1715364, _1715366))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1571086), _1715340, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1571086)
   Fail: (225) [system] atomic(_1571086)
   Call: (225) [system] atom_chars(_1571086, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1724740)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1726598)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1734336)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1737040)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1752118)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1757688)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1759546)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1773700)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1757688)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1791342)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1792276)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1791342=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _1757688)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1801586, _1801588), once(user:catch(read_from_chars(['A'], _1757688), _1801562, fail)), '$restore_trace'(_1801586, _1801588))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1801586, _1801588))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1757688), _1801562, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1757688)
   Fail: (226) [system] atomic(_1757688)
   Call: (226) [system] atom_chars(_1757688, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1810962)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1812820)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _1820558)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1823262)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1838340)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=')'
   Fail: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
   Fail: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _1843910)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1845768)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=(;)
   Fail: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Fail: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Fail: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Fail: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
   Fail: (227) [system] char_type('B', cntrl)
^  Fail: (226) [user] is_like_space('B')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _1859922)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'='('
   Fail: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Fail: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Fail: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Fail: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Fail: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Fail: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Fail: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _1843910)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1877564)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1878498)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1883218, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1877564=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _1843910)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1889680, _1889682), once(user:catch(read_from_chars(['B'], _1843910), _1889656, fail)), '$restore_trace'(_1889680, _1889682))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1889680, _1889682))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1843910), _1889656, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1843910)
   Fail: (227) [system] atomic(_1843910)
   Call: (227) [system] atom_chars(_1843910, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1899056)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1900914)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1915068)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _1918858)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _1899056=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _1810962=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (223) [system] _1724740=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (222) [system] _1529780=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1932740)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1934598)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1942336)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1945040)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1960118)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (221) [system] 'C'=')'
   Fail: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
   Fail: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1965688)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1967546)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1981700)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'='('
   Fail: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Fail: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Fail: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Fail: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Fail: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Fail: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Fail: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1965688)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1999342)
   Call: (224) [system] peek_char((0x558d99e6bec0), _2000276)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_2004996, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1999342=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _1965688)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_2011458, _2011460), once(user:catch(read_from_chars(['C'], _1965688), _2011434, fail)), '$restore_trace'(_2011458, _2011460))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_2011458, _2011460))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1965688), _2011434, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1965688)
   Fail: (224) [system] atomic(_1965688)
   Call: (224) [system] atom_chars(_1965688, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _2020834)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2022692)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=(;)
   Fail: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Fail: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Fail: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Fail: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
   Fail: (224) [system] char_type(')', cntrl)
^  Fail: (223) [user] is_like_space(')')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _2036846)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x558d99e6bec0), _2040636)
   Exit: (222) [system] get_char((0x558d99e6bec0), ')')
   Call: (222) [system] _2020834=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1932740=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (220) [system] _1496832=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _1234952=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _2054518)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2056376)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _2064114)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2066818)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2081896)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _2087466)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _2089324)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _12916)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _6452)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _18486)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=(;)
   Fail: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Fail: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Fail: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Fail: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
   Fail: (222) [system] char_type('O', cntrl)
^  Fail: (221) [user] is_like_space('O')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _32640)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=')'
   Fail: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
   Fail: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _38210)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _40068)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _54222)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'='('
   Fail: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Fail: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Fail: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Fail: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Fail: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Fail: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Fail: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _38210)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _71864)
   Call: (223) [system] peek_char((0x558d99e6bec0), _72798)
   Exit: (223) [system] peek_char((0x558d99e6bec0), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Fail: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_77518, v('(', ')', end_of_file), r)
   Fail: (224) [system] arg(_78450, v('(', ')', end_of_file), r)
^  Fail: (223) [user] is_delimiter(r)
   Call: (223) [system] ')'==r
   Fail: (223) [system] ')'==r
   Call: (223) [system] get_char((0x558d99e6bec0), r)
   Exit: (223) [system] get_char((0x558d99e6bec0), r)
   Call: (223) [system] r=(\)
   Fail: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _85800)
   Call: (224) [system] peek_char((0x558d99e6bec0), _86734)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Fail: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_91454, v('(', ')', end_of_file), 'L')
   Fail: (225) [system] arg(_92386, v('(', ')', end_of_file), 'L')
^  Fail: (224) [user] is_delimiter('L')
   Call: (224) [system] ')'=='L'
   Fail: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (224) [system] get_char((0x558d99e6bec0), 'L')
   Call: (224) [system] 'L'=(\)
   Fail: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _99736)
   Call: (225) [system] peek_char((0x558d99e6bec0), _100670)
   Exit: (225) [system] peek_char((0x558d99e6bec0), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Fail: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_105390, v('(', ')', end_of_file), i)
   Fail: (226) [system] arg(_106322, v('(', ')', end_of_file), i)
^  Fail: (225) [user] is_delimiter(i)
   Call: (225) [system] ')'==i
   Fail: (225) [system] ')'==i
   Call: (225) [system] get_char((0x558d99e6bec0), i)
   Exit: (225) [system] get_char((0x558d99e6bec0), i)
   Call: (225) [system] i=(\)
   Fail: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _113672)
   Call: (226) [system] peek_char((0x558d99e6bec0), _114606)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_119326, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_120258, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _127608)
   Call: (227) [system] peek_char((0x558d99e6bec0), _128542)
   Exit: (227) [system] peek_char((0x558d99e6bec0), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Fail: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_133262, v('(', ')', end_of_file), k)
   Fail: (228) [system] arg(_134194, v('(', ')', end_of_file), k)
^  Fail: (227) [user] is_delimiter(k)
   Call: (227) [system] ')'==k
   Fail: (227) [system] ')'==k
   Call: (227) [system] get_char((0x558d99e6bec0), k)
   Exit: (227) [system] get_char((0x558d99e6bec0), k)
   Call: (227) [system] k=(\)
   Fail: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _141544)
   Call: (228) [system] peek_char((0x558d99e6bec0), _142478)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _141544=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _127608=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (226) [system] _113672=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (225) [system] _99736=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (224) [system] _85800=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (223) [system] _71864=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _38210)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_165758, _165760), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _38210), _165734, fail)), '$restore_trace'(_165758, _165760))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_165758, _165760))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _38210), _165734, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_38210)
   Fail: (223) [system] atomic(_38210)
   Call: (223) [system] atom_chars(_38210, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _175134)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _176992)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _184730)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _187434)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _202512)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (221) [system] 'A'=')'
   Fail: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
   Fail: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _208082)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _209940)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=(;)
   Fail: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Fail: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Fail: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Fail: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
   Fail: (224) [system] char_type('A', cntrl)
^  Fail: (223) [user] is_like_space('A')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _224094)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'='('
   Fail: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Fail: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Fail: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Fail: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Fail: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Fail: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Fail: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _208082)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _241736)
   Call: (224) [system] peek_char((0x558d99e6bec0), _242670)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _241736=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq('A', [], _208082)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_251980, _251982), once(user:catch(read_from_chars(['A'], _208082), _251956, fail)), '$restore_trace'(_251980, _251982))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_251980, _251982))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _208082), _251956, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_208082)
   Fail: (224) [system] atomic(_208082)
   Call: (224) [system] atom_chars(_208082, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _261356)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _263214)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _270952)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _273656)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _288734)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (222) [system] 'B'=')'
   Fail: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
   Fail: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _294304)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _296162)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (224) [system] 'B'=(;)
   Fail: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Fail: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Fail: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Fail: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
   Fail: (225) [system] char_type('B', cntrl)
^  Fail: (224) [user] is_like_space('B')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _310316)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'B')
   Call: (223) [system] 'B'='('
   Fail: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Fail: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Fail: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Fail: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Fail: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Fail: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Fail: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
   Fail: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _294304)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _327958)
   Call: (225) [system] peek_char((0x558d99e6bec0), _328892)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_333612, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _327958=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('B', [], _294304)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_340074, _340076), once(user:catch(read_from_chars(['B'], _294304), _340050, fail)), '$restore_trace'(_340074, _340076))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_340074, _340076))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _294304), _340050, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_294304)
   Fail: (225) [system] atomic(_294304)
   Call: (225) [system] atom_chars(_294304, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _349450)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _351308)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _365462)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _369252)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _349450=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _261356=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (221) [system] _175134=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (220) [system] _6452=['OrLink', 'A', 'B']
   Exit: (220) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _383134)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _384992)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _399146)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _402936)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _383134=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _6448=[['OrLink', 'A', 'B']]
   Exit: (218) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', 'B']])
   Call: (217) [system] _6406=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
   Call: (216) [system] _6398=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _416818)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _418676)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=(;)
   Fail: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Fail: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Fail: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Fail: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
   Fail: (217) [system] char_type(')', cntrl)
^  Fail: (216) [user] is_like_space(')')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _432830)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x558d99e6bec0), _436620)
   Exit: (215) [system] get_char((0x558d99e6bec0), ')')
   Call: (215) [system] _416818=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (214) [system] _6394=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
   Call: (213) [system] _6352=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
   Call: (212) [system] _6344=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (211) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
^  Exit: (210) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
^  Call: (210) [user] read_list(')', (0x558d99e6bec0), _450502)
^  Call: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _452360)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (212) [system] '\n'=(;)
   Fail: (212) [system] '\n'=(;)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Fail: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x558d99e6bec0), _461954)
   Exit: (212) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _464658)
   Exit: (213) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (213) [system] ' '=(;)
   Fail: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x558d99e6bec0), _472396)
   Exit: (213) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _475100)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (211) [user] skip_spaces((0x558d99e6bec0))
   Call: (211) [system] peek_char((0x558d99e6bec0), _491102)
   Exit: (211) [system] peek_char((0x558d99e6bec0), '(')
   Call: (211) [system] '('=')'
   Fail: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
   Fail: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x558d99e6bec0), _496672)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _498530)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=(;)
   Fail: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Fail: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Fail: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Fail: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
   Fail: (214) [system] char_type('(', cntrl)
^  Fail: (213) [user] is_like_space('(')
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] get_char((0x558d99e6bec0), _512684)
   Exit: (212) [system] get_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _496672)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _518254)
   Exit: (214) [system] peek_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)=(;)
   Fail: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Fail: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Fail: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Fail: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
   Fail: (215) [system] char_type(:, cntrl)
^  Fail: (214) [user] is_like_space(:)
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _532408)
   Exit: (213) [system] peek_char((0x558d99e6bec0), :)
   Call: (213) [system] (:)=')'
   Fail: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
   Fail: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _537978)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _539836)
   Exit: (215) [system] peek_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _553990)
   Exit: (214) [system] get_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)='('
   Fail: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Fail: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Fail: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Fail: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Fail: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Fail: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Fail: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x558d99e6bec0), :, _537978)
^  Call: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), _571632)
   Call: (216) [system] peek_char((0x558d99e6bec0), _572566)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _571632=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (215) [user] classify_and_convert_charseq(:, [], _537978)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_581876, _581878), once(user:catch(read_from_chars([:], _537978), _581852, fail)), '$restore_trace'(_581876, _581878))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_581876, _581878))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _581852, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (214) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _589376)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _591234)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _598972)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _601676)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _616754)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=')'
   Fail: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
   Fail: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _622324)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _624182)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _638336)
   Exit: (215) [system] get_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _622324)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _643906)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=(;)
   Fail: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Fail: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Fail: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Fail: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
   Fail: (218) [system] char_type('D', cntrl)
^  Fail: (217) [user] is_like_space('D')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _658060)
   Exit: (216) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (216) [system] 'D'=')'
   Fail: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
   Fail: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _663630)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _665488)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _679642)
   Exit: (217) [system] get_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'='('
   Fail: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Fail: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Fail: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Fail: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Fail: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Fail: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Fail: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _663630)
^  Call: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), _697284)
   Call: (219) [system] peek_char((0x558d99e6bec0), _698218)
   Exit: (219) [system] peek_char((0x558d99e6bec0), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Fail: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_702938, v('(', ')', end_of_file), i)
   Fail: (220) [system] arg(_703870, v('(', ')', end_of_file), i)
^  Fail: (219) [user] is_delimiter(i)
   Call: (219) [system] ')'==i
   Fail: (219) [system] ')'==i
   Call: (219) [system] get_char((0x558d99e6bec0), i)
   Exit: (219) [system] get_char((0x558d99e6bec0), i)
   Call: (219) [system] i=(\)
   Fail: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _711220)
   Call: (220) [system] peek_char((0x558d99e6bec0), _712154)
   Exit: (220) [system] peek_char((0x558d99e6bec0), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Fail: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_716874, v('(', ')', end_of_file), s)
   Fail: (221) [system] arg(_717806, v('(', ')', end_of_file), s)
^  Fail: (220) [user] is_delimiter(s)
   Call: (220) [system] ')'==s
   Fail: (220) [system] ')'==s
   Call: (220) [system] get_char((0x558d99e6bec0), s)
   Exit: (220) [system] get_char((0x558d99e6bec0), s)
   Call: (220) [system] s=(\)
   Fail: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _725156)
   Call: (221) [system] peek_char((0x558d99e6bec0), _726090)
   Exit: (221) [system] peek_char((0x558d99e6bec0), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Fail: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_730810, v('(', ')', end_of_file), j)
   Fail: (222) [system] arg(_731742, v('(', ')', end_of_file), j)
^  Fail: (221) [user] is_delimiter(j)
   Call: (221) [system] ')'==j
   Fail: (221) [system] ')'==j
   Call: (221) [system] get_char((0x558d99e6bec0), j)
   Exit: (221) [system] get_char((0x558d99e6bec0), j)
   Call: (221) [system] j=(\)
   Fail: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _739092)
   Call: (222) [system] peek_char((0x558d99e6bec0), _740026)
   Exit: (222) [system] peek_char((0x558d99e6bec0), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Fail: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_744746, v('(', ')', end_of_file), u)
   Fail: (223) [system] arg(_745678, v('(', ')', end_of_file), u)
^  Fail: (222) [user] is_delimiter(u)
   Call: (222) [system] ')'==u
   Fail: (222) [system] ')'==u
   Call: (222) [system] get_char((0x558d99e6bec0), u)
   Exit: (222) [system] get_char((0x558d99e6bec0), u)
   Call: (222) [system] u=(\)
   Fail: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _753028)
   Call: (223) [system] peek_char((0x558d99e6bec0), _753962)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_758682, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_759614, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _766964)
   Call: (224) [system] peek_char((0x558d99e6bec0), _767898)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_772618, v('(', ')', end_of_file), c)
   Fail: (225) [system] arg(_773550, v('(', ')', end_of_file), c)
^  Fail: (224) [user] is_delimiter(c)
   Call: (224) [system] ')'==c
   Fail: (224) [system] ')'==c
   Call: (224) [system] get_char((0x558d99e6bec0), c)
   Exit: (224) [system] get_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(\)
   Fail: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _780900)
   Call: (225) [system] peek_char((0x558d99e6bec0), _781834)
   Exit: (225) [system] peek_char((0x558d99e6bec0), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Fail: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_786554, v('(', ')', end_of_file), t)
   Fail: (226) [system] arg(_787486, v('(', ')', end_of_file), t)
^  Fail: (225) [user] is_delimiter(t)
   Call: (225) [system] ')'==t
   Fail: (225) [system] ')'==t
   Call: (225) [system] get_char((0x558d99e6bec0), t)
   Exit: (225) [system] get_char((0x558d99e6bec0), t)
   Call: (225) [system] t=(\)
   Fail: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _794836)
   Call: (226) [system] peek_char((0x558d99e6bec0), _795770)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_800490, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_801422, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _808772)
   Call: (227) [system] peek_char((0x558d99e6bec0), _809706)
   Exit: (227) [system] peek_char((0x558d99e6bec0), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Fail: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_814426, v('(', ')', end_of_file), o)
   Fail: (228) [system] arg(_815358, v('(', ')', end_of_file), o)
^  Fail: (227) [user] is_delimiter(o)
   Call: (227) [system] ')'==o
   Fail: (227) [system] ')'==o
   Call: (227) [system] get_char((0x558d99e6bec0), o)
   Exit: (227) [system] get_char((0x558d99e6bec0), o)
   Call: (227) [system] o=(\)
   Fail: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _822708)
   Call: (228) [system] peek_char((0x558d99e6bec0), _823642)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_828362, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_829294, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _836644)
   Call: (229) [system] peek_char((0x558d99e6bec0), _837578)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Fail: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_842298, v('(', ')', end_of_file), 'I')
   Fail: (230) [system] arg(_843230, v('(', ')', end_of_file), 'I')
^  Fail: (229) [user] is_delimiter('I')
   Call: (229) [system] ')'=='I'
   Fail: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'I')
   Call: (229) [system] 'I'=(\)
   Fail: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _850580)
   Call: (230) [system] peek_char((0x558d99e6bec0), _851514)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_856234, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_857166, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _864516)
   Call: (231) [system] peek_char((0x558d99e6bec0), _865450)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_870170, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_871102, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _878452)
   Call: (232) [system] peek_char((0x558d99e6bec0), _879386)
   Exit: (232) [system] peek_char((0x558d99e6bec0), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Fail: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_884106, v('(', ')', end_of_file), r)
   Fail: (233) [system] arg(_885038, v('(', ')', end_of_file), r)
^  Fail: (232) [user] is_delimiter(r)
   Call: (232) [system] ')'==r
   Fail: (232) [system] ')'==r
   Call: (232) [system] get_char((0x558d99e6bec0), r)
   Exit: (232) [system] get_char((0x558d99e6bec0), r)
   Call: (232) [system] r=(\)
   Fail: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _892388)
   Call: (233) [system] peek_char((0x558d99e6bec0), _893322)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_898042, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_898974, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _906324)
   Call: (234) [system] peek_char((0x558d99e6bec0), _907258)
   Exit: (234) [system] peek_char((0x558d99e6bec0), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Fail: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_911978, v('(', ')', end_of_file), d)
   Fail: (235) [system] arg(_912910, v('(', ')', end_of_file), d)
^  Fail: (234) [user] is_delimiter(d)
   Call: (234) [system] ')'==d
   Fail: (234) [system] ')'==d
   Call: (234) [system] get_char((0x558d99e6bec0), d)
   Exit: (234) [system] get_char((0x558d99e6bec0), d)
   Call: (234) [system] d=(\)
   Fail: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _920260)
   Call: (235) [system] peek_char((0x558d99e6bec0), _921194)
   Exit: (235) [system] peek_char((0x558d99e6bec0), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Fail: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_925914, v('(', ')', end_of_file), u)
   Fail: (236) [system] arg(_926846, v('(', ')', end_of_file), u)
^  Fail: (235) [user] is_delimiter(u)
   Call: (235) [system] ')'==u
   Fail: (235) [system] ')'==u
   Call: (235) [system] get_char((0x558d99e6bec0), u)
   Exit: (235) [system] get_char((0x558d99e6bec0), u)
   Call: (235) [system] u=(\)
   Fail: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _934196)
   Call: (236) [system] peek_char((0x558d99e6bec0), _935130)
   Exit: (236) [system] peek_char((0x558d99e6bec0), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Fail: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_939850, v('(', ')', end_of_file), c)
   Fail: (237) [system] arg(_940782, v('(', ')', end_of_file), c)
^  Fail: (236) [user] is_delimiter(c)
   Call: (236) [system] ')'==c
   Fail: (236) [system] ')'==c
   Call: (236) [system] get_char((0x558d99e6bec0), c)
   Exit: (236) [system] get_char((0x558d99e6bec0), c)
   Call: (236) [system] c=(\)
   Fail: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _948132)
   Call: (237) [system] peek_char((0x558d99e6bec0), _949066)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_953786, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_954718, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _962068)
   Call: (238) [system] peek_char((0x558d99e6bec0), _963002)
   Exit: (238) [system] peek_char((0x558d99e6bec0), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Fail: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_967722, v('(', ')', end_of_file), i)
   Fail: (239) [system] arg(_968654, v('(', ')', end_of_file), i)
^  Fail: (238) [user] is_delimiter(i)
   Call: (238) [system] ')'==i
   Fail: (238) [system] ')'==i
   Call: (238) [system] get_char((0x558d99e6bec0), i)
   Exit: (238) [system] get_char((0x558d99e6bec0), i)
   Call: (238) [system] i=(\)
   Fail: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _976004)
   Call: (239) [system] peek_char((0x558d99e6bec0), _976938)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_981658, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_982590, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _989940)
   Call: (240) [system] peek_char((0x558d99e6bec0), _990874)
   Exit: (240) [system] peek_char((0x558d99e6bec0), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Fail: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_995594, v('(', ')', end_of_file), n)
   Fail: (241) [system] arg(_996526, v('(', ')', end_of_file), n)
^  Fail: (240) [user] is_delimiter(n)
   Call: (240) [system] ')'==n
   Fail: (240) [system] ')'==n
   Call: (240) [system] get_char((0x558d99e6bec0), n)
   Exit: (240) [system] get_char((0x558d99e6bec0), n)
   Call: (240) [system] n=(\)
   Fail: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1003876)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1004810)
   Exit: (241) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1003876=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (240) [system] _989940=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (239) [system] _976004=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (238) [system] _962068=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (237) [system] _948132=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (236) [system] _934196=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (235) [system] _920260=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (234) [system] _906324=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (233) [system] _892388=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _878452=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _864516=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _850580=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _836644=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _822708=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _808772=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _794836=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _780900=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _766964=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _753028=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _739092=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _725156=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _711220=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _697284=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663630)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1075588, _1075590), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663630), _1075564, fail)), '$restore_trace'(_1075588, _1075590))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1075588, _1075590))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _663630), _1075564, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_663630)
   Fail: (219) [system] atomic(_663630)
   Call: (219) [system] atom_chars(_663630, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _1084964)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1086822)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (218) [system] ' '=(;)
   Fail: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x558d99e6bec0), _1094560)
   Exit: (218) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1097264)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1112342)
   Exit: (217) [system] peek_char((0x558d99e6bec0), a)
   Call: (217) [system] a=')'
   Fail: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
   Fail: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _1117912)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1119770)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=(;)
   Fail: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Fail: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Fail: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Fail: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
   Fail: (220) [system] char_type(a, cntrl)
^  Fail: (219) [user] is_like_space(a)
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _1133924)
   Exit: (218) [system] get_char((0x558d99e6bec0), a)
   Call: (218) [system] a='('
   Fail: (218) [system] a='('
   Call: (218) [system] a='['
   Fail: (218) [system] a='['
   Call: (218) [system] a='{'
   Fail: (218) [system] a='{'
   Call: (218) [system] a='"'
   Fail: (218) [system] a='"'
   Call: (218) [system] a=!
   Fail: (218) [system] a=!
   Call: (218) [system] a='\''
   Fail: (218) [system] a='\''
   Call: (218) [system] a='`'
   Fail: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), a, _1117912)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1151566)
   Call: (220) [system] peek_char((0x558d99e6bec0), _1152500)
   Exit: (220) [system] peek_char((0x558d99e6bec0), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Fail: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_1157220, v('(', ')', end_of_file), b)
   Fail: (221) [system] arg(_1158152, v('(', ')', end_of_file), b)
^  Fail: (220) [user] is_delimiter(b)
   Call: (220) [system] ')'==b
   Fail: (220) [system] ')'==b
   Call: (220) [system] get_char((0x558d99e6bec0), b)
   Exit: (220) [system] get_char((0x558d99e6bec0), b)
   Call: (220) [system] b=(\)
   Fail: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1165502)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1166436)
   Exit: (221) [system] peek_char((0x558d99e6bec0), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Fail: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1171156, v('(', ')', end_of_file), c)
   Fail: (222) [system] arg(_1172088, v('(', ')', end_of_file), c)
^  Fail: (221) [user] is_delimiter(c)
   Call: (221) [system] ')'==c
   Fail: (221) [system] ')'==c
   Call: (221) [system] get_char((0x558d99e6bec0), c)
   Exit: (221) [system] get_char((0x558d99e6bec0), c)
   Call: (221) [system] c=(\)
   Fail: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1179438)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1180372)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1179438=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (221) [system] _1165502=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (220) [system] _1151566=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (219) [user] classify_and_convert_charseq(a, [b, c], _1117912)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1195270, _1195272), once(user:catch(read_from_chars([a, b, c], _1117912), _1195246, fail)), '$restore_trace'(_1195270, _1195272))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1195270, _1195272))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1195246, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1202770)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1204628)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _1212366)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1215070)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1230148)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1235718)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1237576)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1251730)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1235718)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1257300)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=(;)
   Fail: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Fail: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Fail: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Fail: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
   Fail: (222) [system] char_type('D', cntrl)
^  Fail: (221) [user] is_like_space('D')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1271454)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=')'
   Fail: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
   Fail: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1277024)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1278882)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1293036)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'='('
   Fail: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Fail: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Fail: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Fail: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Fail: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Fail: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Fail: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1277024)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1310678)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1311612)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1316332, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1317264, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1324614)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1325548)
   Exit: (224) [system] peek_char((0x558d99e6bec0), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Fail: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_1330268, v('(', ')', end_of_file), s)
   Fail: (225) [system] arg(_1331200, v('(', ')', end_of_file), s)
^  Fail: (224) [user] is_delimiter(s)
   Call: (224) [system] ')'==s
   Fail: (224) [system] ')'==s
   Call: (224) [system] get_char((0x558d99e6bec0), s)
   Exit: (224) [system] get_char((0x558d99e6bec0), s)
   Call: (224) [system] s=(\)
   Fail: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1338550)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1339484)
   Exit: (225) [system] peek_char((0x558d99e6bec0), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Fail: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_1344204, v('(', ')', end_of_file), j)
   Fail: (226) [system] arg(_1345136, v('(', ')', end_of_file), j)
^  Fail: (225) [user] is_delimiter(j)
   Call: (225) [system] ')'==j
   Fail: (225) [system] ')'==j
   Call: (225) [system] get_char((0x558d99e6bec0), j)
   Exit: (225) [system] get_char((0x558d99e6bec0), j)
   Call: (225) [system] j=(\)
   Fail: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1352486)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1353420)
   Exit: (226) [system] peek_char((0x558d99e6bec0), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Fail: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1358140, v('(', ')', end_of_file), u)
   Fail: (227) [system] arg(_1359072, v('(', ')', end_of_file), u)
^  Fail: (226) [user] is_delimiter(u)
   Call: (226) [system] ')'==u
   Fail: (226) [system] ')'==u
   Call: (226) [system] get_char((0x558d99e6bec0), u)
   Exit: (226) [system] get_char((0x558d99e6bec0), u)
   Call: (226) [system] u=(\)
   Fail: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1366422)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1367356)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1372076, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1373008, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1380358)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1381292)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1386012, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1386944, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1394294)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1395228)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1399948, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_1400880, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1408230)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1409164)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1413884, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_1414816, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1422166)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1423100)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1427820, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_1428752, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1436102)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1437036)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1441756, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1442688, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1450038)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1450972)
   Exit: (233) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Fail: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_1455692, v('(', ')', end_of_file), 'I')
   Fail: (234) [system] arg(_1456624, v('(', ')', end_of_file), 'I')
^  Fail: (233) [user] is_delimiter('I')
   Call: (233) [system] ')'=='I'
   Fail: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (233) [system] get_char((0x558d99e6bec0), 'I')
   Call: (233) [system] 'I'=(\)
   Fail: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1463974)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1464908)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1469628, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1470560, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1477910)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1478844)
   Exit: (235) [system] peek_char((0x558d99e6bec0), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Fail: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1483564, v('(', ')', end_of_file), t)
   Fail: (236) [system] arg(_1484496, v('(', ')', end_of_file), t)
^  Fail: (235) [user] is_delimiter(t)
   Call: (235) [system] ')'==t
   Fail: (235) [system] ')'==t
   Call: (235) [system] get_char((0x558d99e6bec0), t)
   Exit: (235) [system] get_char((0x558d99e6bec0), t)
   Call: (235) [system] t=(\)
   Fail: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1491846)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1492780)
   Exit: (236) [system] peek_char((0x558d99e6bec0), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Fail: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_1497500, v('(', ')', end_of_file), r)
   Fail: (237) [system] arg(_1498432, v('(', ')', end_of_file), r)
^  Fail: (236) [user] is_delimiter(r)
   Call: (236) [system] ')'==r
   Fail: (236) [system] ')'==r
   Call: (236) [system] get_char((0x558d99e6bec0), r)
   Exit: (236) [system] get_char((0x558d99e6bec0), r)
   Call: (236) [system] r=(\)
   Fail: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1505782)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1506716)
   Exit: (237) [system] peek_char((0x558d99e6bec0), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Fail: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1511436, v('(', ')', end_of_file), o)
   Fail: (238) [system] arg(_1512368, v('(', ')', end_of_file), o)
^  Fail: (237) [user] is_delimiter(o)
   Call: (237) [system] ')'==o
   Fail: (237) [system] ')'==o
   Call: (237) [system] get_char((0x558d99e6bec0), o)
   Exit: (237) [system] get_char((0x558d99e6bec0), o)
   Call: (237) [system] o=(\)
   Fail: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1519718)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1520652)
   Exit: (238) [system] peek_char((0x558d99e6bec0), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Fail: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1525372, v('(', ')', end_of_file), d)
   Fail: (239) [system] arg(_1526304, v('(', ')', end_of_file), d)
^  Fail: (238) [user] is_delimiter(d)
   Call: (238) [system] ')'==d
   Fail: (238) [system] ')'==d
   Call: (238) [system] get_char((0x558d99e6bec0), d)
   Exit: (238) [system] get_char((0x558d99e6bec0), d)
   Call: (238) [system] d=(\)
   Fail: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1533654)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1534588)
   Exit: (239) [system] peek_char((0x558d99e6bec0), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Fail: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_1539308, v('(', ')', end_of_file), u)
   Fail: (240) [system] arg(_1540240, v('(', ')', end_of_file), u)
^  Fail: (239) [user] is_delimiter(u)
   Call: (239) [system] ')'==u
   Fail: (239) [system] ')'==u
   Call: (239) [system] get_char((0x558d99e6bec0), u)
   Exit: (239) [system] get_char((0x558d99e6bec0), u)
   Call: (239) [system] u=(\)
   Fail: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1547590)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1548524)
   Exit: (240) [system] peek_char((0x558d99e6bec0), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Fail: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1553244, v('(', ')', end_of_file), c)
   Fail: (241) [system] arg(_1554176, v('(', ')', end_of_file), c)
^  Fail: (240) [user] is_delimiter(c)
   Call: (240) [system] ')'==c
   Fail: (240) [system] ')'==c
   Call: (240) [system] get_char((0x558d99e6bec0), c)
   Exit: (240) [system] get_char((0x558d99e6bec0), c)
   Call: (240) [system] c=(\)
   Fail: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1561526)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1562460)
   Exit: (241) [system] peek_char((0x558d99e6bec0), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Fail: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1567180, v('(', ')', end_of_file), t)
   Fail: (242) [system] arg(_1568112, v('(', ')', end_of_file), t)
^  Fail: (241) [user] is_delimiter(t)
   Call: (241) [system] ')'==t
   Fail: (241) [system] ')'==t
   Call: (241) [system] get_char((0x558d99e6bec0), t)
   Exit: (241) [system] get_char((0x558d99e6bec0), t)
   Call: (241) [system] t=(\)
   Fail: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1575462)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1576396)
   Exit: (242) [system] peek_char((0x558d99e6bec0), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Fail: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1581116, v('(', ')', end_of_file), i)
   Fail: (243) [system] arg(_1582048, v('(', ')', end_of_file), i)
^  Fail: (242) [user] is_delimiter(i)
   Call: (242) [system] ')'==i
   Fail: (242) [system] ')'==i
   Call: (242) [system] get_char((0x558d99e6bec0), i)
   Exit: (242) [system] get_char((0x558d99e6bec0), i)
   Call: (242) [system] i=(\)
   Fail: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1589398)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1590332)
   Exit: (243) [system] peek_char((0x558d99e6bec0), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Fail: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1595052, v('(', ')', end_of_file), o)
   Fail: (244) [system] arg(_1595984, v('(', ')', end_of_file), o)
^  Fail: (243) [user] is_delimiter(o)
   Call: (243) [system] ')'==o
   Fail: (243) [system] ')'==o
   Call: (243) [system] get_char((0x558d99e6bec0), o)
   Exit: (243) [system] get_char((0x558d99e6bec0), o)
   Call: (243) [system] o=(\)
   Fail: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1603334)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1604268)
   Exit: (244) [system] peek_char((0x558d99e6bec0), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Fail: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1608988, v('(', ')', end_of_file), n)
   Fail: (245) [system] arg(_1609920, v('(', ')', end_of_file), n)
^  Fail: (244) [user] is_delimiter(n)
   Call: (244) [system] ')'==n
   Fail: (244) [system] ')'==n
   Call: (244) [system] get_char((0x558d99e6bec0), n)
   Exit: (244) [system] get_char((0x558d99e6bec0), n)
   Call: (244) [system] n=(\)
   Fail: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1617270)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1618204)
   Exit: (245) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1617270=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (244) [system] _1603334=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (243) [system] _1589398=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (242) [system] _1575462=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (241) [system] _1561526=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (240) [system] _1547590=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (239) [system] _1533654=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (238) [system] _1519718=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (237) [system] _1505782=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _1491846=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1477910=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1463974=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1450038=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1436102=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1422166=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1408230=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1394294=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1380358=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1366422=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1352486=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1338550=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1324614=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1310678=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1277024)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1688982, _1688984), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1277024), _1688958, fail)), '$restore_trace'(_1688982, _1688984))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1688982, _1688984))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1277024), _1688958, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1277024)
   Fail: (223) [system] atomic(_1277024)
   Call: (223) [system] atom_chars(_1277024, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1698358)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1700216)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _1707954)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1710658)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1725736)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=')'
   Fail: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
   Fail: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1731306)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1733164)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=(;)
   Fail: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Fail: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Fail: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Fail: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
   Fail: (224) [system] char_type(a, cntrl)
^  Fail: (223) [user] is_like_space(a)
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1747318)
   Exit: (222) [system] get_char((0x558d99e6bec0), a)
   Call: (222) [system] a='('
   Fail: (222) [system] a='('
   Call: (222) [system] a='['
   Fail: (222) [system] a='['
   Call: (222) [system] a='{'
   Fail: (222) [system] a='{'
   Call: (222) [system] a='"'
   Fail: (222) [system] a='"'
   Call: (222) [system] a=!
   Fail: (222) [system] a=!
   Call: (222) [system] a='\''
   Fail: (222) [system] a='\''
   Call: (222) [system] a='`'
   Fail: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), a, _1731306)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1764960)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1765894)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1764960=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (223) [user] classify_and_convert_charseq(a, [], _1731306)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1775204, _1775206), once(user:catch(read_from_chars([a], _1731306), _1775180, fail)), '$restore_trace'(_1775204, _1775206))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1775204, _1775206))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1775180, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1782704)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1784562)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1792300)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1795004)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1810082)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
   Call: (222) [system] c=')'
   Fail: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
   Fail: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1815652)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1817510)
   Exit: (224) [system] peek_char((0x558d99e6bec0), c)
   Call: (224) [system] c=(;)
   Fail: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Fail: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Fail: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Fail: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
   Fail: (225) [system] char_type(c, cntrl)
^  Fail: (224) [user] is_like_space(c)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1831664)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c='('
   Fail: (223) [system] c='('
   Call: (223) [system] c='['
   Fail: (223) [system] c='['
   Call: (223) [system] c='{'
   Fail: (223) [system] c='{'
   Call: (223) [system] c='"'
   Fail: (223) [system] c='"'
   Call: (223) [system] c=!
   Fail: (223) [system] c=!
   Call: (223) [system] c='\''
   Fail: (223) [system] c='\''
   Call: (223) [system] c='`'
   Fail: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
   Fail: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), c, _1815652)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1849306)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1850240)
   Exit: (225) [system] peek_char((0x558d99e6bec0), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Fail: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1854960, v('(', ')', end_of_file), d)
   Fail: (226) [system] arg(_1855892, v('(', ')', end_of_file), d)
^  Fail: (225) [user] is_delimiter(d)
   Call: (225) [system] ')'==d
   Fail: (225) [system] ')'==d
   Call: (225) [system] get_char((0x558d99e6bec0), d)
   Exit: (225) [system] get_char((0x558d99e6bec0), d)
   Call: (225) [system] d=(\)
   Fail: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1863242)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1864176)
   Exit: (226) [system] peek_char((0x558d99e6bec0), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Fail: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_1868896, v('(', ')', end_of_file), e)
   Fail: (227) [system] arg(_1869828, v('(', ')', end_of_file), e)
^  Fail: (226) [user] is_delimiter(e)
   Call: (226) [system] ')'==e
   Fail: (226) [system] ')'==e
   Call: (226) [system] get_char((0x558d99e6bec0), e)
   Exit: (226) [system] get_char((0x558d99e6bec0), e)
   Call: (226) [system] e=(\)
   Fail: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1877178)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1878112)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1882832, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1877178=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (226) [system] _1863242=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [e])
   Call: (225) [system] _1849306=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, e])
^  Call: (224) [user] classify_and_convert_charseq(c, [d, e], _1815652)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1894882, _1894884), once(user:catch(read_from_chars([c, d, e], _1815652), _1894858, fail)), '$restore_trace'(_1894882, _1894884))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1894882, _1894884))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1894858, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), cde)
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1902382)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1904240)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1918394)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _1922184)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _1902382=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _1782704=[cde]
   Exit: (222) [system] [cde]=[cde]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [cde])
   Call: (221) [system] _1698358=[a, cde]
   Exit: (221) [system] [a, cde]=[a, cde]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [a, cde])
   Call: (220) [system] _1235718=['DisjunctionIntroduction', a, cde]
   Exit: (220) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, cde])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1936066)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1937924)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=(;)
   Fail: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Fail: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Fail: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Fail: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
   Fail: (221) [system] char_type(')', cntrl)
^  Fail: (220) [user] is_like_space(')')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1952078)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x558d99e6bec0), _1955868)
   Exit: (219) [system] get_char((0x558d99e6bec0), ')')
   Call: (219) [system] _1936066=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (218) [system] _1202770=[['DisjunctionIntroduction', a, cde]]
   Exit: (218) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, cde]])
   Call: (217) [system] _1084964=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (217) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (216) [system] _622324=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1969750)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1971608)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _1979346)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1982050)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1997128)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _2002698)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2004556)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _2018710)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _2002698)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _2024280)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=(;)
   Fail: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Fail: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Fail: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Fail: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
   Fail: (219) [system] char_type('O', cntrl)
^  Fail: (218) [user] is_like_space('O')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _2038434)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (217) [system] 'O'=')'
   Fail: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
   Fail: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _2044004)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _2045862)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _2060016)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'='('
   Fail: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Fail: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Fail: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Fail: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Fail: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Fail: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Fail: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _2044004)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2077658)
   Call: (220) [system] peek_char((0x558d99e6bec0), _2078592)
   Exit: (220) [system] peek_char((0x558d99e6bec0), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Fail: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_2083312, v('(', ')', end_of_file), r)
   Fail: (221) [system] arg(_2084244, v('(', ')', end_of_file), r)
^  Fail: (220) [user] is_delimiter(r)
   Call: (220) [system] ')'==r
   Fail: (220) [system] ')'==r
   Call: (220) [system] get_char((0x558d99e6bec0), r)
   Exit: (220) [system] get_char((0x558d99e6bec0), r)
   Call: (220) [system] r=(\)
   Fail: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2091594)
   Call: (221) [system] peek_char((0x558d99e6bec0), _2092528)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Fail: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_6984, v('(', ')', end_of_file), 'L')
   Fail: (222) [system] arg(_7916, v('(', ')', end_of_file), 'L')
^  Fail: (221) [user] is_delimiter('L')
   Call: (221) [system] ')'=='L'
   Fail: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (221) [system] get_char((0x558d99e6bec0), 'L')
   Call: (221) [system] 'L'=(\)
   Fail: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _15266)
   Call: (222) [system] peek_char((0x558d99e6bec0), _16200)
   Exit: (222) [system] peek_char((0x558d99e6bec0), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Fail: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_20920, v('(', ')', end_of_file), i)
   Fail: (223) [system] arg(_21852, v('(', ')', end_of_file), i)
^  Fail: (222) [user] is_delimiter(i)
   Call: (222) [system] ')'==i
   Fail: (222) [system] ')'==i
   Call: (222) [system] get_char((0x558d99e6bec0), i)
   Exit: (222) [system] get_char((0x558d99e6bec0), i)
   Call: (222) [system] i=(\)
   Fail: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _29202)
   Call: (223) [system] peek_char((0x558d99e6bec0), _30136)
   Exit: (223) [system] peek_char((0x558d99e6bec0), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Fail: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_34856, v('(', ')', end_of_file), n)
   Fail: (224) [system] arg(_35788, v('(', ')', end_of_file), n)
^  Fail: (223) [user] is_delimiter(n)
   Call: (223) [system] ')'==n
   Fail: (223) [system] ')'==n
   Call: (223) [system] get_char((0x558d99e6bec0), n)
   Exit: (223) [system] get_char((0x558d99e6bec0), n)
   Call: (223) [system] n=(\)
   Fail: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _43138)
   Call: (224) [system] peek_char((0x558d99e6bec0), _44072)
   Exit: (224) [system] peek_char((0x558d99e6bec0), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Fail: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_48792, v('(', ')', end_of_file), k)
   Fail: (225) [system] arg(_49724, v('(', ')', end_of_file), k)
^  Fail: (224) [user] is_delimiter(k)
   Call: (224) [system] ')'==k
   Fail: (224) [system] ')'==k
   Call: (224) [system] get_char((0x558d99e6bec0), k)
   Exit: (224) [system] get_char((0x558d99e6bec0), k)
   Call: (224) [system] k=(\)
   Fail: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _57074)
   Call: (225) [system] peek_char((0x558d99e6bec0), _58008)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _57074=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (224) [system] _43138=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (223) [system] _29202=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (222) [system] _15266=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (221) [system] _6544=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (220) [system] _6540=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _6536)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_81288, _81290), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _6536), _81264, fail)), '$restore_trace'(_81288, _81290))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_81288, _81290))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _6536), _81264, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_6536)
   Fail: (220) [system] atomic(_6536)
   Call: (220) [system] atom_chars(_6536, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _90664)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _92522)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _100260)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _102964)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _118042)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=')'
   Fail: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
   Fail: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _123612)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _125470)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=(;)
   Fail: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Fail: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Fail: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Fail: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
   Fail: (221) [system] char_type('(', cntrl)
^  Fail: (220) [user] is_like_space('(')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _139624)
   Exit: (219) [system] get_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _123612)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _145194)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=(;)
   Fail: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Fail: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Fail: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Fail: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
   Fail: (222) [system] char_type('I', cntrl)
^  Fail: (221) [user] is_like_space('I')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _159348)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (220) [system] 'I'=')'
   Fail: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
   Fail: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _164918)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _166776)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _180930)
   Exit: (221) [system] get_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'='('
   Fail: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Fail: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Fail: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Fail: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Fail: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Fail: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Fail: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _164918)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _198572)
   Call: (223) [system] peek_char((0x558d99e6bec0), _199506)
   Exit: (223) [system] peek_char((0x558d99e6bec0), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Fail: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_204226, v('(', ')', end_of_file), m)
   Fail: (224) [system] arg(_205158, v('(', ')', end_of_file), m)
^  Fail: (223) [user] is_delimiter(m)
   Call: (223) [system] ')'==m
   Fail: (223) [system] ')'==m
   Call: (223) [system] get_char((0x558d99e6bec0), m)
   Exit: (223) [system] get_char((0x558d99e6bec0), m)
   Call: (223) [system] m=(\)
   Fail: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _212508)
   Call: (224) [system] peek_char((0x558d99e6bec0), _213442)
   Exit: (224) [system] peek_char((0x558d99e6bec0), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Fail: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_218162, v('(', ')', end_of_file), p)
   Fail: (225) [system] arg(_219094, v('(', ')', end_of_file), p)
^  Fail: (224) [user] is_delimiter(p)
   Call: (224) [system] ')'==p
   Fail: (224) [system] ')'==p
   Call: (224) [system] get_char((0x558d99e6bec0), p)
   Exit: (224) [system] get_char((0x558d99e6bec0), p)
   Call: (224) [system] p=(\)
   Fail: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _226444)
   Call: (225) [system] peek_char((0x558d99e6bec0), _227378)
   Exit: (225) [system] peek_char((0x558d99e6bec0), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Fail: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_232098, v('(', ')', end_of_file), l)
   Fail: (226) [system] arg(_233030, v('(', ')', end_of_file), l)
^  Fail: (225) [user] is_delimiter(l)
   Call: (225) [system] ')'==l
   Fail: (225) [system] ')'==l
   Call: (225) [system] get_char((0x558d99e6bec0), l)
   Exit: (225) [system] get_char((0x558d99e6bec0), l)
   Call: (225) [system] l=(\)
   Fail: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _240380)
   Call: (226) [system] peek_char((0x558d99e6bec0), _241314)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_246034, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_246966, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _254316)
   Call: (227) [system] peek_char((0x558d99e6bec0), _255250)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_259970, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_260902, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _268252)
   Call: (228) [system] peek_char((0x558d99e6bec0), _269186)
   Exit: (228) [system] peek_char((0x558d99e6bec0), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Fail: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_273906, v('(', ')', end_of_file), a)
   Fail: (229) [system] arg(_274838, v('(', ')', end_of_file), a)
^  Fail: (228) [user] is_delimiter(a)
   Call: (228) [system] ')'==a
   Fail: (228) [system] ')'==a
   Call: (228) [system] get_char((0x558d99e6bec0), a)
   Exit: (228) [system] get_char((0x558d99e6bec0), a)
   Call: (228) [system] a=(\)
   Fail: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _282188)
   Call: (229) [system] peek_char((0x558d99e6bec0), _283122)
   Exit: (229) [system] peek_char((0x558d99e6bec0), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Fail: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_287842, v('(', ')', end_of_file), t)
   Fail: (230) [system] arg(_288774, v('(', ')', end_of_file), t)
^  Fail: (229) [user] is_delimiter(t)
   Call: (229) [system] ')'==t
   Fail: (229) [system] ')'==t
   Call: (229) [system] get_char((0x558d99e6bec0), t)
   Exit: (229) [system] get_char((0x558d99e6bec0), t)
   Call: (229) [system] t=(\)
   Fail: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _296124)
   Call: (230) [system] peek_char((0x558d99e6bec0), _297058)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_301778, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_302710, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _310060)
   Call: (231) [system] peek_char((0x558d99e6bec0), _310994)
   Exit: (231) [system] peek_char((0x558d99e6bec0), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Fail: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_315714, v('(', ')', end_of_file), o)
   Fail: (232) [system] arg(_316646, v('(', ')', end_of_file), o)
^  Fail: (231) [user] is_delimiter(o)
   Call: (231) [system] ')'==o
   Fail: (231) [system] ')'==o
   Call: (231) [system] get_char((0x558d99e6bec0), o)
   Exit: (231) [system] get_char((0x558d99e6bec0), o)
   Call: (231) [system] o=(\)
   Fail: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _323996)
   Call: (232) [system] peek_char((0x558d99e6bec0), _324930)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_329650, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_330582, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _337932)
   Call: (233) [system] peek_char((0x558d99e6bec0), _338866)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _337932=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _323996=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (231) [system] _310060=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (230) [system] _296124=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (229) [system] _282188=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (228) [system] _268252=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (227) [system] _254316=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (226) [system] _240380=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (225) [system] _226444=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _212508=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _198572=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _164918)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_376116, _376118), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _164918), _376092, fail)), '$restore_trace'(_376116, _376118))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_376116, _376118))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _164918), _376092, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_164918)
   Fail: (223) [system] atomic(_164918)
   Call: (223) [system] atom_chars(_164918, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _385492)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _387350)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (222) [system] ' '=(;)
   Fail: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x558d99e6bec0), _395088)
   Exit: (222) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _397792)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _412870)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=')'
   Fail: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
   Fail: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _418440)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _420298)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=(;)
   Fail: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Fail: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Fail: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Fail: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
   Fail: (224) [system] char_type('(', cntrl)
^  Fail: (223) [user] is_like_space('(')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _434452)
   Exit: (222) [system] get_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _418440)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _440022)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _454176)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _459746)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _461604)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _475758)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _459746)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _493400)
   Call: (226) [system] peek_char((0x558d99e6bec0), _494334)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_499054, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_499986, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _507336)
   Call: (227) [system] peek_char((0x558d99e6bec0), _508270)
   Exit: (227) [system] peek_char((0x558d99e6bec0), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Fail: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_512990, v('(', ')', end_of_file), d)
   Fail: (228) [system] arg(_513922, v('(', ')', end_of_file), d)
^  Fail: (227) [user] is_delimiter(d)
   Call: (227) [system] ')'==d
   Fail: (227) [system] ')'==d
   Call: (227) [system] get_char((0x558d99e6bec0), d)
   Exit: (227) [system] get_char((0x558d99e6bec0), d)
   Call: (227) [system] d=(\)
   Fail: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _521272)
   Call: (228) [system] peek_char((0x558d99e6bec0), _522206)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Fail: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_526926, v('(', ')', end_of_file), 'L')
   Fail: (229) [system] arg(_527858, v('(', ')', end_of_file), 'L')
^  Fail: (228) [user] is_delimiter('L')
   Call: (228) [system] ')'=='L'
   Fail: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (228) [system] get_char((0x558d99e6bec0), 'L')
   Call: (228) [system] 'L'=(\)
   Fail: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _535208)
   Call: (229) [system] peek_char((0x558d99e6bec0), _536142)
   Exit: (229) [system] peek_char((0x558d99e6bec0), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Fail: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_540862, v('(', ')', end_of_file), i)
   Fail: (230) [system] arg(_541794, v('(', ')', end_of_file), i)
^  Fail: (229) [user] is_delimiter(i)
   Call: (229) [system] ')'==i
   Fail: (229) [system] ')'==i
   Call: (229) [system] get_char((0x558d99e6bec0), i)
   Exit: (229) [system] get_char((0x558d99e6bec0), i)
   Call: (229) [system] i=(\)
   Fail: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _549144)
   Call: (230) [system] peek_char((0x558d99e6bec0), _550078)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_554798, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_555730, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _563080)
   Call: (231) [system] peek_char((0x558d99e6bec0), _564014)
   Exit: (231) [system] peek_char((0x558d99e6bec0), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Fail: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_568734, v('(', ')', end_of_file), k)
   Fail: (232) [system] arg(_569666, v('(', ')', end_of_file), k)
^  Fail: (231) [user] is_delimiter(k)
   Call: (231) [system] ')'==k
   Fail: (231) [system] ')'==k
   Call: (231) [system] get_char((0x558d99e6bec0), k)
   Exit: (231) [system] get_char((0x558d99e6bec0), k)
   Call: (231) [system] k=(\)
   Fail: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _577016)
   Call: (232) [system] peek_char((0x558d99e6bec0), _577950)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _577016=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (231) [system] _563080=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (230) [system] _549144=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (229) [system] _535208=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (228) [system] _521272=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (227) [system] _507336=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (226) [system] _493400=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _459746)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_604024, _604026), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _459746), _604000, fail)), '$restore_trace'(_604024, _604026))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_604024, _604026))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _459746), _604000, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_459746)
   Fail: (226) [system] atomic(_459746)
   Call: (226) [system] atom_chars(_459746, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _613400)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _615258)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _622996)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _625700)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _640778)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _646348)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _648206)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _662360)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _646348)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _680002)
   Call: (227) [system] peek_char((0x558d99e6bec0), _680936)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _680002=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _646348)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_690246, _690248), once(user:catch(read_from_chars(['A'], _646348), _690222, fail)), '$restore_trace'(_690246, _690248))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_690246, _690248))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _646348), _690222, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_646348)
   Fail: (227) [system] atomic(_646348)
   Call: (227) [system] atom_chars(_646348, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _699622)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _701480)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _709218)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _711922)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _727000)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (225) [system] 'B'=')'
   Fail: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
   Fail: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _732570)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _734428)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (227) [system] 'B'=(;)
   Fail: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Fail: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Fail: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Fail: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
   Fail: (228) [system] char_type('B', cntrl)
^  Fail: (227) [user] is_like_space('B')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _748582)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'='('
   Fail: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Fail: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Fail: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Fail: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Fail: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Fail: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Fail: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _732570)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _766224)
   Call: (228) [system] peek_char((0x558d99e6bec0), _767158)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_771878, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _766224=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('B', [], _732570)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_778340, _778342), once(user:catch(read_from_chars(['B'], _732570), _778316, fail)), '$restore_trace'(_778340, _778342))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_778340, _778342))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _732570), _778316, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_732570)
   Fail: (228) [system] atomic(_732570)
   Call: (228) [system] atom_chars(_732570, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _787716)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _789574)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=(;)
   Fail: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Fail: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Fail: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
   Fail: (228) [system] char_type(')', cntrl)
^  Fail: (227) [user] is_like_space(')')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _803728)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x558d99e6bec0), _807518)
   Exit: (226) [system] get_char((0x558d99e6bec0), ')')
   Call: (226) [system] _787716=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (225) [system] _699622=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (224) [system] _613400=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (223) [system] _418440=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _821400)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _823258)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _830996)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _833700)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _848778)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _854348)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _856206)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _870360)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _854348)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _888002)
   Call: (225) [system] peek_char((0x558d99e6bec0), _888936)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_893656, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _888002=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('C', [], _854348)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_900118, _900120), once(user:catch(read_from_chars(['C'], _854348), _900094, fail)), '$restore_trace'(_900118, _900120))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_900118, _900120))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _854348), _900094, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_854348)
   Fail: (225) [system] atomic(_854348)
   Call: (225) [system] atom_chars(_854348, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _909494)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _911352)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=(;)
   Fail: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Fail: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Fail: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Fail: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
   Fail: (225) [system] char_type(')', cntrl)
^  Fail: (224) [user] is_like_space(')')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _925506)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x558d99e6bec0), _929296)
   Exit: (223) [system] get_char((0x558d99e6bec0), ')')
   Call: (223) [system] _909494=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (222) [system] _821400=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (221) [system] _385492=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _123612=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _943178)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _945036)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _952774)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _955478)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _970556)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _976126)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _977984)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _992138)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _976126)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _997708)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=(;)
   Fail: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Fail: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Fail: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Fail: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
   Fail: (223) [system] char_type('O', cntrl)
^  Fail: (222) [user] is_like_space('O')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1011862)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (221) [system] 'O'=')'
   Fail: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
   Fail: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1017432)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1019290)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1033444)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'='('
   Fail: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Fail: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Fail: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Fail: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Fail: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Fail: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Fail: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1017432)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1051086)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1052020)
   Exit: (224) [system] peek_char((0x558d99e6bec0), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Fail: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1056740, v('(', ')', end_of_file), r)
   Fail: (225) [system] arg(_1057672, v('(', ')', end_of_file), r)
^  Fail: (224) [user] is_delimiter(r)
   Call: (224) [system] ')'==r
   Fail: (224) [system] ')'==r
   Call: (224) [system] get_char((0x558d99e6bec0), r)
   Exit: (224) [system] get_char((0x558d99e6bec0), r)
   Call: (224) [system] r=(\)
   Fail: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1065022)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1065956)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Fail: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1070676, v('(', ')', end_of_file), 'L')
   Fail: (226) [system] arg(_1071608, v('(', ')', end_of_file), 'L')
^  Fail: (225) [user] is_delimiter('L')
   Call: (225) [system] ')'=='L'
   Fail: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (225) [system] get_char((0x558d99e6bec0), 'L')
   Call: (225) [system] 'L'=(\)
   Fail: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1078958)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1079892)
   Exit: (226) [system] peek_char((0x558d99e6bec0), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Fail: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1084612, v('(', ')', end_of_file), i)
   Fail: (227) [system] arg(_1085544, v('(', ')', end_of_file), i)
^  Fail: (226) [user] is_delimiter(i)
   Call: (226) [system] ')'==i
   Fail: (226) [system] ')'==i
   Call: (226) [system] get_char((0x558d99e6bec0), i)
   Exit: (226) [system] get_char((0x558d99e6bec0), i)
   Call: (226) [system] i=(\)
   Fail: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1092894)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1093828)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1098548, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_1099480, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1106830)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1107764)
   Exit: (228) [system] peek_char((0x558d99e6bec0), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Fail: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_1112484, v('(', ')', end_of_file), k)
   Fail: (229) [system] arg(_1113416, v('(', ')', end_of_file), k)
^  Fail: (228) [user] is_delimiter(k)
   Call: (228) [system] ')'==k
   Fail: (228) [system] ')'==k
   Call: (228) [system] get_char((0x558d99e6bec0), k)
   Exit: (228) [system] get_char((0x558d99e6bec0), k)
   Call: (228) [system] k=(\)
   Fail: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1120766)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1121700)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1120766=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _1106830=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (227) [system] _1092894=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (226) [system] _1078958=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (225) [system] _1065022=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (224) [system] _1051086=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1017432)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1144980, _1144982), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1017432), _1144956, fail)), '$restore_trace'(_1144980, _1144982))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1144980, _1144982))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1017432), _1144956, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1017432)
   Fail: (224) [system] atomic(_1017432)
   Call: (224) [system] atom_chars(_1017432, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1154356)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1156214)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1163952)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1166656)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1181734)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (222) [system] 'A'=')'
   Fail: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
   Fail: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1187304)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1189162)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=(;)
   Fail: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Fail: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Fail: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Fail: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
   Fail: (225) [system] char_type('A', cntrl)
^  Fail: (224) [user] is_like_space('A')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1203316)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'='('
   Fail: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Fail: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Fail: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Fail: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Fail: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Fail: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Fail: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _1187304)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1220958)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1221892)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1220958=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq('A', [], _1187304)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1231202, _1231204), once(user:catch(read_from_chars(['A'], _1187304), _1231178, fail)), '$restore_trace'(_1231202, _1231204))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1231202, _1231204))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1187304), _1231178, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1187304)
   Fail: (225) [system] atomic(_1187304)
   Call: (225) [system] atom_chars(_1187304, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1240578)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1242436)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1250174)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1252878)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1267956)
   Exit: (223) [system] peek_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('=')'
   Fail: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
   Fail: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1273526)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1275384)
   Exit: (225) [system] peek_char((0x558d99e6bec0), '(')
   Call: (225) [system] '('=(;)
   Fail: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Fail: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Fail: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Fail: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
   Fail: (226) [system] char_type('(', cntrl)
^  Fail: (225) [user] is_like_space('(')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1289538)
   Exit: (224) [system] get_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _1273526)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1295108)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'=(;)
   Fail: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Fail: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Fail: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Fail: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
   Fail: (227) [system] char_type('I', cntrl)
^  Fail: (226) [user] is_like_space('I')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1309262)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (225) [system] 'I'=')'
   Fail: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
   Fail: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _1314832)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1316690)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (227) [system] 'I'=(;)
   Fail: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Fail: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Fail: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Fail: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
   Fail: (228) [system] char_type('I', cntrl)
^  Fail: (227) [user] is_like_space('I')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _1330844)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'I')
   Call: (226) [system] 'I'='('
   Fail: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Fail: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Fail: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Fail: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Fail: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Fail: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Fail: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
   Fail: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1314832)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1348486)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1349420)
   Exit: (228) [system] peek_char((0x558d99e6bec0), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Fail: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_1354140, v('(', ')', end_of_file), m)
   Fail: (229) [system] arg(_1355072, v('(', ')', end_of_file), m)
^  Fail: (228) [user] is_delimiter(m)
   Call: (228) [system] ')'==m
   Fail: (228) [system] ')'==m
   Call: (228) [system] get_char((0x558d99e6bec0), m)
   Exit: (228) [system] get_char((0x558d99e6bec0), m)
   Call: (228) [system] m=(\)
   Fail: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1362422)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1363356)
   Exit: (229) [system] peek_char((0x558d99e6bec0), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Fail: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1368076, v('(', ')', end_of_file), p)
   Fail: (230) [system] arg(_1369008, v('(', ')', end_of_file), p)
^  Fail: (229) [user] is_delimiter(p)
   Call: (229) [system] ')'==p
   Fail: (229) [system] ')'==p
   Call: (229) [system] get_char((0x558d99e6bec0), p)
   Exit: (229) [system] get_char((0x558d99e6bec0), p)
   Call: (229) [system] p=(\)
   Fail: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1376358)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1377292)
   Exit: (230) [system] peek_char((0x558d99e6bec0), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Fail: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1382012, v('(', ')', end_of_file), l)
   Fail: (231) [system] arg(_1382944, v('(', ')', end_of_file), l)
^  Fail: (230) [user] is_delimiter(l)
   Call: (230) [system] ')'==l
   Fail: (230) [system] ')'==l
   Call: (230) [system] get_char((0x558d99e6bec0), l)
   Exit: (230) [system] get_char((0x558d99e6bec0), l)
   Call: (230) [system] l=(\)
   Fail: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1390294)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1391228)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1395948, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1396880, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1404230)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1405164)
   Exit: (232) [system] peek_char((0x558d99e6bec0), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Fail: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1409884, v('(', ')', end_of_file), c)
   Fail: (233) [system] arg(_1410816, v('(', ')', end_of_file), c)
^  Fail: (232) [user] is_delimiter(c)
   Call: (232) [system] ')'==c
   Fail: (232) [system] ')'==c
   Call: (232) [system] get_char((0x558d99e6bec0), c)
   Exit: (232) [system] get_char((0x558d99e6bec0), c)
   Call: (232) [system] c=(\)
   Fail: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1418166)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1419100)
   Exit: (233) [system] peek_char((0x558d99e6bec0), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Fail: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1423820, v('(', ')', end_of_file), a)
   Fail: (234) [system] arg(_1424752, v('(', ')', end_of_file), a)
^  Fail: (233) [user] is_delimiter(a)
   Call: (233) [system] ')'==a
   Fail: (233) [system] ')'==a
   Call: (233) [system] get_char((0x558d99e6bec0), a)
   Exit: (233) [system] get_char((0x558d99e6bec0), a)
   Call: (233) [system] a=(\)
   Fail: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1432102)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1433036)
   Exit: (234) [system] peek_char((0x558d99e6bec0), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Fail: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1437756, v('(', ')', end_of_file), t)
   Fail: (235) [system] arg(_1438688, v('(', ')', end_of_file), t)
^  Fail: (234) [user] is_delimiter(t)
   Call: (234) [system] ')'==t
   Fail: (234) [system] ')'==t
   Call: (234) [system] get_char((0x558d99e6bec0), t)
   Exit: (234) [system] get_char((0x558d99e6bec0), t)
   Call: (234) [system] t=(\)
   Fail: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1446038)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1446972)
   Exit: (235) [system] peek_char((0x558d99e6bec0), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Fail: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1451692, v('(', ')', end_of_file), i)
   Fail: (236) [system] arg(_1452624, v('(', ')', end_of_file), i)
^  Fail: (235) [user] is_delimiter(i)
   Call: (235) [system] ')'==i
   Fail: (235) [system] ')'==i
   Call: (235) [system] get_char((0x558d99e6bec0), i)
   Exit: (235) [system] get_char((0x558d99e6bec0), i)
   Call: (235) [system] i=(\)
   Fail: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1459974)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1460908)
   Exit: (236) [system] peek_char((0x558d99e6bec0), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Fail: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1465628, v('(', ')', end_of_file), o)
   Fail: (237) [system] arg(_1466560, v('(', ')', end_of_file), o)
^  Fail: (236) [user] is_delimiter(o)
   Call: (236) [system] ')'==o
   Fail: (236) [system] ')'==o
   Call: (236) [system] get_char((0x558d99e6bec0), o)
   Exit: (236) [system] get_char((0x558d99e6bec0), o)
   Call: (236) [system] o=(\)
   Fail: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1473910)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1474844)
   Exit: (237) [system] peek_char((0x558d99e6bec0), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Fail: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1479564, v('(', ')', end_of_file), n)
   Fail: (238) [system] arg(_1480496, v('(', ')', end_of_file), n)
^  Fail: (237) [user] is_delimiter(n)
   Call: (237) [system] ')'==n
   Fail: (237) [system] ')'==n
   Call: (237) [system] get_char((0x558d99e6bec0), n)
   Exit: (237) [system] get_char((0x558d99e6bec0), n)
   Call: (237) [system] n=(\)
   Fail: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1487846)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1488780)
   Exit: (238) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1487846=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (237) [system] _1473910=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (236) [system] _1459974=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (235) [system] _1446038=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (234) [system] _1432102=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (233) [system] _1418166=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (232) [system] _1404230=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (231) [system] _1390294=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (230) [system] _1376358=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _1362422=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _1348486=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1314832)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1526030, _1526032), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1314832), _1526006, fail)), '$restore_trace'(_1526030, _1526032))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1526030, _1526032))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1314832), _1526006, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1314832)
   Fail: (228) [system] atomic(_1314832)
   Call: (228) [system] atom_chars(_1314832, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _1535406)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1537264)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _1545002)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1547706)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _1562784)
   Exit: (226) [system] peek_char((0x558d99e6bec0), '(')
   Call: (226) [system] '('=')'
   Fail: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
   Fail: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _1568354)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1570212)
   Exit: (228) [system] peek_char((0x558d99e6bec0), '(')
   Call: (228) [system] '('=(;)
   Fail: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Fail: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Fail: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Fail: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
   Fail: (229) [system] char_type('(', cntrl)
^  Fail: (228) [user] is_like_space('(')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _1584366)
   Exit: (227) [system] get_char((0x558d99e6bec0), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _1568354)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1589936)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'=(;)
   Fail: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Fail: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Fail: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Fail: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
   Fail: (230) [system] char_type('O', cntrl)
^  Fail: (229) [user] is_like_space('O')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1604090)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (228) [system] 'O'=')'
   Fail: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
   Fail: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x558d99e6bec0), _1609660)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1611518)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (230) [system] 'O'=(;)
   Fail: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Fail: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Fail: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Fail: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
   Fail: (231) [system] char_type('O', cntrl)
^  Fail: (230) [user] is_like_space('O')
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] get_char((0x558d99e6bec0), _1625672)
   Exit: (229) [system] get_char((0x558d99e6bec0), 'O')
   Call: (229) [system] 'O'='('
   Fail: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Fail: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Fail: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Fail: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Fail: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Fail: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Fail: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
   Fail: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1609660)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1643314)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1644248)
   Exit: (231) [system] peek_char((0x558d99e6bec0), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Fail: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1648968, v('(', ')', end_of_file), r)
   Fail: (232) [system] arg(_1649900, v('(', ')', end_of_file), r)
^  Fail: (231) [user] is_delimiter(r)
   Call: (231) [system] ')'==r
   Fail: (231) [system] ')'==r
   Call: (231) [system] get_char((0x558d99e6bec0), r)
   Exit: (231) [system] get_char((0x558d99e6bec0), r)
   Call: (231) [system] r=(\)
   Fail: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1657250)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1658184)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Fail: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1662904, v('(', ')', end_of_file), 'L')
   Fail: (233) [system] arg(_1663836, v('(', ')', end_of_file), 'L')
^  Fail: (232) [user] is_delimiter('L')
   Call: (232) [system] ')'=='L'
   Fail: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (232) [system] get_char((0x558d99e6bec0), 'L')
   Call: (232) [system] 'L'=(\)
   Fail: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1671186)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1672120)
   Exit: (233) [system] peek_char((0x558d99e6bec0), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Fail: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1676840, v('(', ')', end_of_file), i)
   Fail: (234) [system] arg(_1677772, v('(', ')', end_of_file), i)
^  Fail: (233) [user] is_delimiter(i)
   Call: (233) [system] ')'==i
   Fail: (233) [system] ')'==i
   Call: (233) [system] get_char((0x558d99e6bec0), i)
   Exit: (233) [system] get_char((0x558d99e6bec0), i)
   Call: (233) [system] i=(\)
   Fail: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1685122)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1686056)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1690776, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_1691708, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1699058)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1699992)
   Exit: (235) [system] peek_char((0x558d99e6bec0), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Fail: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1704712, v('(', ')', end_of_file), k)
   Fail: (236) [system] arg(_1705644, v('(', ')', end_of_file), k)
^  Fail: (235) [user] is_delimiter(k)
   Call: (235) [system] ')'==k
   Fail: (235) [system] ')'==k
   Call: (235) [system] get_char((0x558d99e6bec0), k)
   Exit: (235) [system] get_char((0x558d99e6bec0), k)
   Call: (235) [system] k=(\)
   Fail: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1712994)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1713928)
   Exit: (236) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1712994=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (235) [system] _1699058=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (234) [system] _1685122=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (233) [system] _1671186=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (232) [system] _1657250=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (231) [system] _1643314=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1609660)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1737208, _1737210), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1609660), _1737184, fail)), '$restore_trace'(_1737208, _1737210))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1737208, _1737210))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1609660), _1737184, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1609660)
   Fail: (231) [system] atomic(_1609660)
   Call: (231) [system] atom_chars(_1609660, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (228) [user] read_list(')', (0x558d99e6bec0), _1746584)
^  Call: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1748442)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (230) [system] ' '=(;)
   Fail: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x558d99e6bec0), _1756180)
   Exit: (230) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1758884)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (229) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1773962)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (229) [system] 'C'=')'
   Fail: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
   Fail: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x558d99e6bec0), _1779532)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1781390)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (231) [system] 'C'=(;)
   Fail: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Fail: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Fail: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Fail: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
   Fail: (232) [system] char_type('C', cntrl)
^  Fail: (231) [user] is_like_space('C')
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] get_char((0x558d99e6bec0), _1795544)
   Exit: (230) [system] get_char((0x558d99e6bec0), 'C')
   Call: (230) [system] 'C'='('
   Fail: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Fail: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Fail: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Fail: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Fail: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Fail: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Fail: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
   Fail: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1779532)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1813186)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1814120)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1813186=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _1779532)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1823430, _1823432), once(user:catch(read_from_chars(['C'], _1779532), _1823406, fail)), '$restore_trace'(_1823430, _1823432))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1823430, _1823432))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1779532), _1823406, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1779532)
   Fail: (232) [system] atomic(_1779532)
   Call: (232) [system] atom_chars(_1779532, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (229) [user] read_list(')', (0x558d99e6bec0), _1832806)
^  Call: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1834664)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (231) [system] ' '=(;)
   Fail: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x558d99e6bec0), _1842402)
   Exit: (231) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1845106)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (230) [user] skip_spaces((0x558d99e6bec0))
   Call: (230) [system] peek_char((0x558d99e6bec0), _1860184)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (230) [system] 'D'=')'
   Fail: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
   Fail: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x558d99e6bec0), _1865754)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1867612)
   Exit: (232) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (232) [system] 'D'=(;)
   Fail: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Fail: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Fail: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Fail: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
   Fail: (233) [system] char_type('D', cntrl)
^  Fail: (232) [user] is_like_space('D')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] get_char((0x558d99e6bec0), _1881766)
   Exit: (231) [system] get_char((0x558d99e6bec0), 'D')
   Call: (231) [system] 'D'='('
   Fail: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Fail: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Fail: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Fail: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Fail: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Fail: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Fail: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
   Fail: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1865754)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1899408)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1900342)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Fail: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1905062, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1899408=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (232) [user] classify_and_convert_charseq('D', [], _1865754)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1911524, _1911526), once(user:catch(read_from_chars(['D'], _1865754), _1911500, fail)), '$restore_trace'(_1911524, _1911526))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1911524, _1911526))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1865754), _1911500, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1865754)
   Fail: (233) [system] atomic(_1865754)
   Call: (233) [system] atom_chars(_1865754, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x558d99e6bec0), 'D')
^  Call: (230) [user] read_list(')', (0x558d99e6bec0), _1920900)
^  Call: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (232) [system] peek_char((0x558d99e6bec0), _1922758)
   Exit: (232) [system] peek_char((0x558d99e6bec0), ')')
   Call: (232) [system] ')'=(;)
   Fail: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Fail: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Fail: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Fail: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
   Fail: (233) [system] char_type(')', cntrl)
^  Fail: (232) [user] is_like_space(')')
^  Exit: (231) [user] skip_spaces((0x558d99e6bec0))
   Call: (231) [system] peek_char((0x558d99e6bec0), _1936912)
   Exit: (231) [system] peek_char((0x558d99e6bec0), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x558d99e6bec0), _1940702)
   Exit: (231) [system] get_char((0x558d99e6bec0), ')')
   Call: (231) [system] _1920900=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (230) [system] _1832806=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x558d99e6bec0), ['D'])
   Call: (229) [system] _1746584=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x558d99e6bec0), ['C', 'D'])
   Call: (228) [system] _1568354=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _1954584)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _1956442)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (228) [system] ' '=(;)
   Fail: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x558d99e6bec0), _1964180)
   Exit: (228) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1966884)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _1981962)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (227) [system] 'E'=')'
   Fail: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
   Fail: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x558d99e6bec0), _1987532)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _1989390)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'E')
   Call: (229) [system] 'E'=(;)
   Fail: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Fail: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Fail: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Fail: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
   Fail: (230) [system] char_type('E', cntrl)
^  Fail: (229) [user] is_like_space('E')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] get_char((0x558d99e6bec0), _2003544)
   Exit: (228) [system] get_char((0x558d99e6bec0), 'E')
   Call: (228) [system] 'E'='('
   Fail: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Fail: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Fail: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Fail: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Fail: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Fail: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Fail: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
   Fail: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'E', _1987532)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2021186)
   Call: (230) [system] peek_char((0x558d99e6bec0), _2022120)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Fail: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_2026840, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _2021186=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (229) [user] classify_and_convert_charseq('E', [], _1987532)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_2033302, _2033304), once(user:catch(read_from_chars(['E'], _1987532), _2033278, fail)), '$restore_trace'(_2033302, _2033304))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_2033302, _2033304))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1987532), _2033278, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1987532)
   Fail: (230) [system] atomic(_1987532)
   Call: (230) [system] atom_chars(_1987532, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x558d99e6bec0), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x558d99e6bec0), 'E')
^  Call: (227) [user] read_list(')', (0x558d99e6bec0), _2042678)
^  Call: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (229) [system] peek_char((0x558d99e6bec0), _2044536)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
   Call: (229) [system] ')'=(;)
   Fail: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Fail: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Fail: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
   Fail: (230) [system] char_type(')', cntrl)
^  Fail: (229) [user] is_like_space(')')
^  Exit: (228) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _2058690)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x558d99e6bec0), _2062480)
   Exit: (228) [system] get_char((0x558d99e6bec0), ')')
   Call: (228) [system] _2042678=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (227) [system] _1954584=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), ['E'])
   Call: (226) [system] _1535406=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _1273526=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _2076362)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _2078220)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2092374)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _2096164)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _6640=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _6598=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (222) [system] _6592=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _6584=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _19648)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _21506)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _35660)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _39450)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _19648=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _6580=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (219) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (218) [system] _6538=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _6530=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _53332)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _55190)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=(;)
   Fail: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Fail: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Fail: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Fail: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
   Fail: (218) [system] char_type(')', cntrl)
^  Fail: (217) [user] is_like_space(')')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _69344)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x558d99e6bec0), _73134)
   Exit: (216) [system] get_char((0x558d99e6bec0), ')')
   Call: (216) [system] _53332=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (215) [system] _6526=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (214) [system] _6484=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (213) [system] _6476=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (212) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (211) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (211) [user] read_list(')', (0x558d99e6bec0), _87016)
^  Call: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _88874)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (213) [system] '\n'=(;)
   Fail: (213) [system] '\n'=(;)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Fail: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x558d99e6bec0), _98468)
   Exit: (213) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _101172)
   Exit: (214) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (214) [system] ' '=(;)
   Fail: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x558d99e6bec0), _108910)
   Exit: (214) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _111614)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (212) [user] skip_spaces((0x558d99e6bec0))
   Call: (212) [system] peek_char((0x558d99e6bec0), _127616)
   Exit: (212) [system] peek_char((0x558d99e6bec0), '(')
   Call: (212) [system] '('=')'
   Fail: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
   Fail: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x558d99e6bec0), _133186)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _135044)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('=(;)
   Fail: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Fail: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Fail: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Fail: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
   Fail: (215) [system] char_type('(', cntrl)
^  Fail: (214) [user] is_like_space('(')
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] get_char((0x558d99e6bec0), _149198)
   Exit: (213) [system] get_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x558d99e6bec0), _133186)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _154768)
   Exit: (215) [system] peek_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)=(;)
   Fail: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Fail: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Fail: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Fail: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
   Fail: (216) [system] char_type(:, cntrl)
^  Fail: (215) [user] is_like_space(:)
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _168922)
   Exit: (214) [system] peek_char((0x558d99e6bec0), :)
   Call: (214) [system] (:)=')'
   Fail: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
   Fail: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x558d99e6bec0), _174492)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _176350)
   Exit: (216) [system] peek_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] get_char((0x558d99e6bec0), _190504)
   Exit: (215) [system] get_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)='('
   Fail: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Fail: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Fail: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Fail: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Fail: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Fail: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Fail: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x558d99e6bec0), :, _174492)
^  Call: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), _208146)
   Call: (217) [system] peek_char((0x558d99e6bec0), _209080)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _208146=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (216) [user] classify_and_convert_charseq(:, [], _174492)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_218390, _218392), once(user:catch(read_from_chars([:], _174492), _218366, fail)), '$restore_trace'(_218390, _218392))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_218390, _218392))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _218366, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (215) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _225890)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _227748)
   Exit: (216) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (216) [system] ' '=(;)
   Fail: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x558d99e6bec0), _235486)
   Exit: (216) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _238190)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _253268)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=')'
   Fail: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
   Fail: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _258838)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _260696)
   Exit: (217) [system] peek_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('=(;)
   Fail: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Fail: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Fail: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Fail: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
   Fail: (218) [system] char_type('(', cntrl)
^  Fail: (217) [user] is_like_space('(')
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _274850)
   Exit: (216) [system] get_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _258838)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _280420)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=(;)
   Fail: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Fail: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Fail: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Fail: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
   Fail: (219) [system] char_type('D', cntrl)
^  Fail: (218) [user] is_like_space('D')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _294574)
   Exit: (217) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (217) [system] 'D'=')'
   Fail: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
   Fail: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x558d99e6bec0), _300144)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _302002)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] get_char((0x558d99e6bec0), _316156)
   Exit: (218) [system] get_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'='('
   Fail: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Fail: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Fail: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Fail: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Fail: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Fail: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Fail: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _300144)
^  Call: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), _333798)
   Call: (220) [system] peek_char((0x558d99e6bec0), _334732)
   Exit: (220) [system] peek_char((0x558d99e6bec0), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Fail: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_339452, v('(', ')', end_of_file), i)
   Fail: (221) [system] arg(_340384, v('(', ')', end_of_file), i)
^  Fail: (220) [user] is_delimiter(i)
   Call: (220) [system] ')'==i
   Fail: (220) [system] ')'==i
   Call: (220) [system] get_char((0x558d99e6bec0), i)
   Exit: (220) [system] get_char((0x558d99e6bec0), i)
   Call: (220) [system] i=(\)
   Fail: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _347734)
   Call: (221) [system] peek_char((0x558d99e6bec0), _348668)
   Exit: (221) [system] peek_char((0x558d99e6bec0), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Fail: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_353388, v('(', ')', end_of_file), s)
   Fail: (222) [system] arg(_354320, v('(', ')', end_of_file), s)
^  Fail: (221) [user] is_delimiter(s)
   Call: (221) [system] ')'==s
   Fail: (221) [system] ')'==s
   Call: (221) [system] get_char((0x558d99e6bec0), s)
   Exit: (221) [system] get_char((0x558d99e6bec0), s)
   Call: (221) [system] s=(\)
   Fail: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _361670)
   Call: (222) [system] peek_char((0x558d99e6bec0), _362604)
   Exit: (222) [system] peek_char((0x558d99e6bec0), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Fail: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_367324, v('(', ')', end_of_file), j)
   Fail: (223) [system] arg(_368256, v('(', ')', end_of_file), j)
^  Fail: (222) [user] is_delimiter(j)
   Call: (222) [system] ')'==j
   Fail: (222) [system] ')'==j
   Call: (222) [system] get_char((0x558d99e6bec0), j)
   Exit: (222) [system] get_char((0x558d99e6bec0), j)
   Call: (222) [system] j=(\)
   Fail: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _375606)
   Call: (223) [system] peek_char((0x558d99e6bec0), _376540)
   Exit: (223) [system] peek_char((0x558d99e6bec0), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Fail: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_381260, v('(', ')', end_of_file), u)
   Fail: (224) [system] arg(_382192, v('(', ')', end_of_file), u)
^  Fail: (223) [user] is_delimiter(u)
   Call: (223) [system] ')'==u
   Fail: (223) [system] ')'==u
   Call: (223) [system] get_char((0x558d99e6bec0), u)
   Exit: (223) [system] get_char((0x558d99e6bec0), u)
   Call: (223) [system] u=(\)
   Fail: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _389542)
   Call: (224) [system] peek_char((0x558d99e6bec0), _390476)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_395196, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_396128, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _403478)
   Call: (225) [system] peek_char((0x558d99e6bec0), _404412)
   Exit: (225) [system] peek_char((0x558d99e6bec0), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Fail: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_409132, v('(', ')', end_of_file), c)
   Fail: (226) [system] arg(_410064, v('(', ')', end_of_file), c)
^  Fail: (225) [user] is_delimiter(c)
   Call: (225) [system] ')'==c
   Fail: (225) [system] ')'==c
   Call: (225) [system] get_char((0x558d99e6bec0), c)
   Exit: (225) [system] get_char((0x558d99e6bec0), c)
   Call: (225) [system] c=(\)
   Fail: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _417414)
   Call: (226) [system] peek_char((0x558d99e6bec0), _418348)
   Exit: (226) [system] peek_char((0x558d99e6bec0), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Fail: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_423068, v('(', ')', end_of_file), t)
   Fail: (227) [system] arg(_424000, v('(', ')', end_of_file), t)
^  Fail: (226) [user] is_delimiter(t)
   Call: (226) [system] ')'==t
   Fail: (226) [system] ')'==t
   Call: (226) [system] get_char((0x558d99e6bec0), t)
   Exit: (226) [system] get_char((0x558d99e6bec0), t)
   Call: (226) [system] t=(\)
   Fail: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _431350)
   Call: (227) [system] peek_char((0x558d99e6bec0), _432284)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_437004, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_437936, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _445286)
   Call: (228) [system] peek_char((0x558d99e6bec0), _446220)
   Exit: (228) [system] peek_char((0x558d99e6bec0), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Fail: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_450940, v('(', ')', end_of_file), o)
   Fail: (229) [system] arg(_451872, v('(', ')', end_of_file), o)
^  Fail: (228) [user] is_delimiter(o)
   Call: (228) [system] ')'==o
   Fail: (228) [system] ')'==o
   Call: (228) [system] get_char((0x558d99e6bec0), o)
   Exit: (228) [system] get_char((0x558d99e6bec0), o)
   Call: (228) [system] o=(\)
   Fail: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _459222)
   Call: (229) [system] peek_char((0x558d99e6bec0), _460156)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_464876, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_465808, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _473158)
   Call: (230) [system] peek_char((0x558d99e6bec0), _474092)
   Exit: (230) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Fail: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_478812, v('(', ')', end_of_file), 'I')
   Fail: (231) [system] arg(_479744, v('(', ')', end_of_file), 'I')
^  Fail: (230) [user] is_delimiter('I')
   Call: (230) [system] ')'=='I'
   Fail: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (230) [system] get_char((0x558d99e6bec0), 'I')
   Call: (230) [system] 'I'=(\)
   Fail: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _487094)
   Call: (231) [system] peek_char((0x558d99e6bec0), _488028)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_492748, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_493680, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _501030)
   Call: (232) [system] peek_char((0x558d99e6bec0), _501964)
   Exit: (232) [system] peek_char((0x558d99e6bec0), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Fail: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_506684, v('(', ')', end_of_file), t)
   Fail: (233) [system] arg(_507616, v('(', ')', end_of_file), t)
^  Fail: (232) [user] is_delimiter(t)
   Call: (232) [system] ')'==t
   Fail: (232) [system] ')'==t
   Call: (232) [system] get_char((0x558d99e6bec0), t)
   Exit: (232) [system] get_char((0x558d99e6bec0), t)
   Call: (232) [system] t=(\)
   Fail: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _514966)
   Call: (233) [system] peek_char((0x558d99e6bec0), _515900)
   Exit: (233) [system] peek_char((0x558d99e6bec0), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Fail: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_520620, v('(', ')', end_of_file), r)
   Fail: (234) [system] arg(_521552, v('(', ')', end_of_file), r)
^  Fail: (233) [user] is_delimiter(r)
   Call: (233) [system] ')'==r
   Fail: (233) [system] ')'==r
   Call: (233) [system] get_char((0x558d99e6bec0), r)
   Exit: (233) [system] get_char((0x558d99e6bec0), r)
   Call: (233) [system] r=(\)
   Fail: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _528902)
   Call: (234) [system] peek_char((0x558d99e6bec0), _529836)
   Exit: (234) [system] peek_char((0x558d99e6bec0), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Fail: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_534556, v('(', ')', end_of_file), o)
   Fail: (235) [system] arg(_535488, v('(', ')', end_of_file), o)
^  Fail: (234) [user] is_delimiter(o)
   Call: (234) [system] ')'==o
   Fail: (234) [system] ')'==o
   Call: (234) [system] get_char((0x558d99e6bec0), o)
   Exit: (234) [system] get_char((0x558d99e6bec0), o)
   Call: (234) [system] o=(\)
   Fail: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _542838)
   Call: (235) [system] peek_char((0x558d99e6bec0), _543772)
   Exit: (235) [system] peek_char((0x558d99e6bec0), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Fail: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_548492, v('(', ')', end_of_file), d)
   Fail: (236) [system] arg(_549424, v('(', ')', end_of_file), d)
^  Fail: (235) [user] is_delimiter(d)
   Call: (235) [system] ')'==d
   Fail: (235) [system] ')'==d
   Call: (235) [system] get_char((0x558d99e6bec0), d)
   Exit: (235) [system] get_char((0x558d99e6bec0), d)
   Call: (235) [system] d=(\)
   Fail: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _556774)
   Call: (236) [system] peek_char((0x558d99e6bec0), _557708)
   Exit: (236) [system] peek_char((0x558d99e6bec0), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Fail: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_562428, v('(', ')', end_of_file), u)
   Fail: (237) [system] arg(_563360, v('(', ')', end_of_file), u)
^  Fail: (236) [user] is_delimiter(u)
   Call: (236) [system] ')'==u
   Fail: (236) [system] ')'==u
   Call: (236) [system] get_char((0x558d99e6bec0), u)
   Exit: (236) [system] get_char((0x558d99e6bec0), u)
   Call: (236) [system] u=(\)
   Fail: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _570710)
   Call: (237) [system] peek_char((0x558d99e6bec0), _571644)
   Exit: (237) [system] peek_char((0x558d99e6bec0), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Fail: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_576364, v('(', ')', end_of_file), c)
   Fail: (238) [system] arg(_577296, v('(', ')', end_of_file), c)
^  Fail: (237) [user] is_delimiter(c)
   Call: (237) [system] ')'==c
   Fail: (237) [system] ')'==c
   Call: (237) [system] get_char((0x558d99e6bec0), c)
   Exit: (237) [system] get_char((0x558d99e6bec0), c)
   Call: (237) [system] c=(\)
   Fail: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _584646)
   Call: (238) [system] peek_char((0x558d99e6bec0), _585580)
   Exit: (238) [system] peek_char((0x558d99e6bec0), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Fail: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_590300, v('(', ')', end_of_file), t)
   Fail: (239) [system] arg(_591232, v('(', ')', end_of_file), t)
^  Fail: (238) [user] is_delimiter(t)
   Call: (238) [system] ')'==t
   Fail: (238) [system] ')'==t
   Call: (238) [system] get_char((0x558d99e6bec0), t)
   Exit: (238) [system] get_char((0x558d99e6bec0), t)
   Call: (238) [system] t=(\)
   Fail: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _598582)
   Call: (239) [system] peek_char((0x558d99e6bec0), _599516)
   Exit: (239) [system] peek_char((0x558d99e6bec0), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Fail: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_604236, v('(', ')', end_of_file), i)
   Fail: (240) [system] arg(_605168, v('(', ')', end_of_file), i)
^  Fail: (239) [user] is_delimiter(i)
   Call: (239) [system] ')'==i
   Fail: (239) [system] ')'==i
   Call: (239) [system] get_char((0x558d99e6bec0), i)
   Exit: (239) [system] get_char((0x558d99e6bec0), i)
   Call: (239) [system] i=(\)
   Fail: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _612518)
   Call: (240) [system] peek_char((0x558d99e6bec0), _613452)
   Exit: (240) [system] peek_char((0x558d99e6bec0), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Fail: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_618172, v('(', ')', end_of_file), o)
   Fail: (241) [system] arg(_619104, v('(', ')', end_of_file), o)
^  Fail: (240) [user] is_delimiter(o)
   Call: (240) [system] ')'==o
   Fail: (240) [system] ')'==o
   Call: (240) [system] get_char((0x558d99e6bec0), o)
   Exit: (240) [system] get_char((0x558d99e6bec0), o)
   Call: (240) [system] o=(\)
   Fail: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _626454)
   Call: (241) [system] peek_char((0x558d99e6bec0), _627388)
   Exit: (241) [system] peek_char((0x558d99e6bec0), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Fail: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_632108, v('(', ')', end_of_file), n)
   Fail: (242) [system] arg(_633040, v('(', ')', end_of_file), n)
^  Fail: (241) [user] is_delimiter(n)
   Call: (241) [system] ')'==n
   Fail: (241) [system] ')'==n
   Call: (241) [system] get_char((0x558d99e6bec0), n)
   Exit: (241) [system] get_char((0x558d99e6bec0), n)
   Call: (241) [system] n=(\)
   Fail: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _640390)
   Call: (242) [system] peek_char((0x558d99e6bec0), _641324)
   Exit: (242) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _640390=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (241) [system] _626454=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (240) [system] _612518=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (239) [system] _598582=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (238) [system] _584646=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (237) [system] _570710=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (236) [system] _556774=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (235) [system] _542838=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (234) [system] _528902=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _514966=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _501030=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _487094=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _473158=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _459222=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _445286=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _431350=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _417414=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _403478=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _389542=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _375606=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _361670=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _347734=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _333798=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300144)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_712102, _712104), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300144), _712078, fail)), '$restore_trace'(_712102, _712104))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_712102, _712104))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _300144), _712078, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_300144)
   Fail: (220) [system] atomic(_300144)
   Call: (220) [system] atom_chars(_300144, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _721478)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _723336)
   Exit: (219) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (219) [system] ' '=(;)
   Fail: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x558d99e6bec0), _731074)
   Exit: (219) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _733778)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _748856)
   Exit: (218) [system] peek_char((0x558d99e6bec0), a)
   Call: (218) [system] a=')'
   Fail: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
   Fail: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _754426)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _756284)
   Exit: (220) [system] peek_char((0x558d99e6bec0), a)
   Call: (220) [system] a=(;)
   Fail: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Fail: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Fail: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Fail: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
   Fail: (221) [system] char_type(a, cntrl)
^  Fail: (220) [user] is_like_space(a)
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _770438)
   Exit: (219) [system] get_char((0x558d99e6bec0), a)
   Call: (219) [system] a='('
   Fail: (219) [system] a='('
   Call: (219) [system] a='['
   Fail: (219) [system] a='['
   Call: (219) [system] a='{'
   Fail: (219) [system] a='{'
   Call: (219) [system] a='"'
   Fail: (219) [system] a='"'
   Call: (219) [system] a=!
   Fail: (219) [system] a=!
   Call: (219) [system] a='\''
   Fail: (219) [system] a='\''
   Call: (219) [system] a='`'
   Fail: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), a, _754426)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _788080)
   Call: (221) [system] peek_char((0x558d99e6bec0), _789014)
   Exit: (221) [system] peek_char((0x558d99e6bec0), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Fail: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_793734, v('(', ')', end_of_file), b)
   Fail: (222) [system] arg(_794666, v('(', ')', end_of_file), b)
^  Fail: (221) [user] is_delimiter(b)
   Call: (221) [system] ')'==b
   Fail: (221) [system] ')'==b
   Call: (221) [system] get_char((0x558d99e6bec0), b)
   Exit: (221) [system] get_char((0x558d99e6bec0), b)
   Call: (221) [system] b=(\)
   Fail: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _802016)
   Call: (222) [system] peek_char((0x558d99e6bec0), _802950)
   Exit: (222) [system] peek_char((0x558d99e6bec0), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Fail: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_807670, v('(', ')', end_of_file), c)
   Fail: (223) [system] arg(_808602, v('(', ')', end_of_file), c)
^  Fail: (222) [user] is_delimiter(c)
   Call: (222) [system] ')'==c
   Fail: (222) [system] ')'==c
   Call: (222) [system] get_char((0x558d99e6bec0), c)
   Exit: (222) [system] get_char((0x558d99e6bec0), c)
   Call: (222) [system] c=(\)
   Fail: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _815952)
   Call: (223) [system] peek_char((0x558d99e6bec0), _816886)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _815952=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (222) [system] _802016=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (221) [system] _788080=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (220) [user] classify_and_convert_charseq(a, [b, c], _754426)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_831784, _831786), once(user:catch(read_from_chars([a, b, c], _754426), _831760, fail)), '$restore_trace'(_831784, _831786))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_831784, _831786))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _831760, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _839284)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _841142)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _848880)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _851584)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _866662)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _872232)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _874090)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _888244)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _872232)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _893814)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'=(;)
   Fail: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Fail: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Fail: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Fail: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
   Fail: (223) [system] char_type('D', cntrl)
^  Fail: (222) [user] is_like_space('D')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _907968)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (221) [system] 'D'=')'
   Fail: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
   Fail: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _913538)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _915396)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (223) [system] 'D'=(;)
   Fail: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Fail: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Fail: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Fail: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
   Fail: (224) [system] char_type('D', cntrl)
^  Fail: (223) [user] is_like_space('D')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _929550)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'D')
   Call: (222) [system] 'D'='('
   Fail: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Fail: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Fail: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Fail: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Fail: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Fail: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Fail: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
   Fail: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _913538)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _947192)
   Call: (224) [system] peek_char((0x558d99e6bec0), _948126)
   Exit: (224) [system] peek_char((0x558d99e6bec0), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Fail: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_952846, v('(', ')', end_of_file), i)
   Fail: (225) [system] arg(_953778, v('(', ')', end_of_file), i)
^  Fail: (224) [user] is_delimiter(i)
   Call: (224) [system] ')'==i
   Fail: (224) [system] ')'==i
   Call: (224) [system] get_char((0x558d99e6bec0), i)
   Exit: (224) [system] get_char((0x558d99e6bec0), i)
   Call: (224) [system] i=(\)
   Fail: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _961128)
   Call: (225) [system] peek_char((0x558d99e6bec0), _962062)
   Exit: (225) [system] peek_char((0x558d99e6bec0), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Fail: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_966782, v('(', ')', end_of_file), s)
   Fail: (226) [system] arg(_967714, v('(', ')', end_of_file), s)
^  Fail: (225) [user] is_delimiter(s)
   Call: (225) [system] ')'==s
   Fail: (225) [system] ')'==s
   Call: (225) [system] get_char((0x558d99e6bec0), s)
   Exit: (225) [system] get_char((0x558d99e6bec0), s)
   Call: (225) [system] s=(\)
   Fail: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _975064)
   Call: (226) [system] peek_char((0x558d99e6bec0), _975998)
   Exit: (226) [system] peek_char((0x558d99e6bec0), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Fail: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_980718, v('(', ')', end_of_file), j)
   Fail: (227) [system] arg(_981650, v('(', ')', end_of_file), j)
^  Fail: (226) [user] is_delimiter(j)
   Call: (226) [system] ')'==j
   Fail: (226) [system] ')'==j
   Call: (226) [system] get_char((0x558d99e6bec0), j)
   Exit: (226) [system] get_char((0x558d99e6bec0), j)
   Call: (226) [system] j=(\)
   Fail: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _989000)
   Call: (227) [system] peek_char((0x558d99e6bec0), _989934)
   Exit: (227) [system] peek_char((0x558d99e6bec0), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Fail: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_994654, v('(', ')', end_of_file), u)
   Fail: (228) [system] arg(_995586, v('(', ')', end_of_file), u)
^  Fail: (227) [user] is_delimiter(u)
   Call: (227) [system] ')'==u
   Fail: (227) [system] ')'==u
   Call: (227) [system] get_char((0x558d99e6bec0), u)
   Exit: (227) [system] get_char((0x558d99e6bec0), u)
   Call: (227) [system] u=(\)
   Fail: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1002936)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1003870)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1008590, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_1009522, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1016872)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1017806)
   Exit: (229) [system] peek_char((0x558d99e6bec0), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Fail: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1022526, v('(', ')', end_of_file), c)
   Fail: (230) [system] arg(_1023458, v('(', ')', end_of_file), c)
^  Fail: (229) [user] is_delimiter(c)
   Call: (229) [system] ')'==c
   Fail: (229) [system] ')'==c
   Call: (229) [system] get_char((0x558d99e6bec0), c)
   Exit: (229) [system] get_char((0x558d99e6bec0), c)
   Call: (229) [system] c=(\)
   Fail: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1030808)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1031742)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1036462, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1037394, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1044744)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1045678)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1050398, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1051330, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1058680)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1059614)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1064334, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_1065266, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1072616)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1073550)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1078270, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_1079202, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1086552)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1087486)
   Exit: (234) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Fail: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_1092206, v('(', ')', end_of_file), 'I')
   Fail: (235) [system] arg(_1093138, v('(', ')', end_of_file), 'I')
^  Fail: (234) [user] is_delimiter('I')
   Call: (234) [system] ')'=='I'
   Fail: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (234) [system] get_char((0x558d99e6bec0), 'I')
   Call: (234) [system] 'I'=(\)
   Fail: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1100488)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1101422)
   Exit: (235) [system] peek_char((0x558d99e6bec0), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Fail: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1106142, v('(', ')', end_of_file), n)
   Fail: (236) [system] arg(_1107074, v('(', ')', end_of_file), n)
^  Fail: (235) [user] is_delimiter(n)
   Call: (235) [system] ')'==n
   Fail: (235) [system] ')'==n
   Call: (235) [system] get_char((0x558d99e6bec0), n)
   Exit: (235) [system] get_char((0x558d99e6bec0), n)
   Call: (235) [system] n=(\)
   Fail: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1114424)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1115358)
   Exit: (236) [system] peek_char((0x558d99e6bec0), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Fail: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1120078, v('(', ')', end_of_file), t)
   Fail: (237) [system] arg(_1121010, v('(', ')', end_of_file), t)
^  Fail: (236) [user] is_delimiter(t)
   Call: (236) [system] ')'==t
   Fail: (236) [system] ')'==t
   Call: (236) [system] get_char((0x558d99e6bec0), t)
   Exit: (236) [system] get_char((0x558d99e6bec0), t)
   Call: (236) [system] t=(\)
   Fail: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1128360)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1129294)
   Exit: (237) [system] peek_char((0x558d99e6bec0), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Fail: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1134014, v('(', ')', end_of_file), r)
   Fail: (238) [system] arg(_1134946, v('(', ')', end_of_file), r)
^  Fail: (237) [user] is_delimiter(r)
   Call: (237) [system] ')'==r
   Fail: (237) [system] ')'==r
   Call: (237) [system] get_char((0x558d99e6bec0), r)
   Exit: (237) [system] get_char((0x558d99e6bec0), r)
   Call: (237) [system] r=(\)
   Fail: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1142296)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1143230)
   Exit: (238) [system] peek_char((0x558d99e6bec0), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Fail: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1147950, v('(', ')', end_of_file), o)
   Fail: (239) [system] arg(_1148882, v('(', ')', end_of_file), o)
^  Fail: (238) [user] is_delimiter(o)
   Call: (238) [system] ')'==o
   Fail: (238) [system] ')'==o
   Call: (238) [system] get_char((0x558d99e6bec0), o)
   Exit: (238) [system] get_char((0x558d99e6bec0), o)
   Call: (238) [system] o=(\)
   Fail: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1156232)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1157166)
   Exit: (239) [system] peek_char((0x558d99e6bec0), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Fail: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1161886, v('(', ')', end_of_file), d)
   Fail: (240) [system] arg(_1162818, v('(', ')', end_of_file), d)
^  Fail: (239) [user] is_delimiter(d)
   Call: (239) [system] ')'==d
   Fail: (239) [system] ')'==d
   Call: (239) [system] get_char((0x558d99e6bec0), d)
   Exit: (239) [system] get_char((0x558d99e6bec0), d)
   Call: (239) [system] d=(\)
   Fail: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1170168)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1171102)
   Exit: (240) [system] peek_char((0x558d99e6bec0), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Fail: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_1175822, v('(', ')', end_of_file), u)
   Fail: (241) [system] arg(_1176754, v('(', ')', end_of_file), u)
^  Fail: (240) [user] is_delimiter(u)
   Call: (240) [system] ')'==u
   Fail: (240) [system] ')'==u
   Call: (240) [system] get_char((0x558d99e6bec0), u)
   Exit: (240) [system] get_char((0x558d99e6bec0), u)
   Call: (240) [system] u=(\)
   Fail: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1184104)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1185038)
   Exit: (241) [system] peek_char((0x558d99e6bec0), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Fail: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1189758, v('(', ')', end_of_file), c)
   Fail: (242) [system] arg(_1190690, v('(', ')', end_of_file), c)
^  Fail: (241) [user] is_delimiter(c)
   Call: (241) [system] ')'==c
   Fail: (241) [system] ')'==c
   Call: (241) [system] get_char((0x558d99e6bec0), c)
   Exit: (241) [system] get_char((0x558d99e6bec0), c)
   Call: (241) [system] c=(\)
   Fail: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1198040)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1198974)
   Exit: (242) [system] peek_char((0x558d99e6bec0), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Fail: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1203694, v('(', ')', end_of_file), t)
   Fail: (243) [system] arg(_1204626, v('(', ')', end_of_file), t)
^  Fail: (242) [user] is_delimiter(t)
   Call: (242) [system] ')'==t
   Fail: (242) [system] ')'==t
   Call: (242) [system] get_char((0x558d99e6bec0), t)
   Exit: (242) [system] get_char((0x558d99e6bec0), t)
   Call: (242) [system] t=(\)
   Fail: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1211976)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1212910)
   Exit: (243) [system] peek_char((0x558d99e6bec0), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Fail: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1217630, v('(', ')', end_of_file), i)
   Fail: (244) [system] arg(_1218562, v('(', ')', end_of_file), i)
^  Fail: (243) [user] is_delimiter(i)
   Call: (243) [system] ')'==i
   Fail: (243) [system] ')'==i
   Call: (243) [system] get_char((0x558d99e6bec0), i)
   Exit: (243) [system] get_char((0x558d99e6bec0), i)
   Call: (243) [system] i=(\)
   Fail: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1225912)
   Call: (244) [system] peek_char((0x558d99e6bec0), _1226846)
   Exit: (244) [system] peek_char((0x558d99e6bec0), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Fail: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1231566, v('(', ')', end_of_file), o)
   Fail: (245) [system] arg(_1232498, v('(', ')', end_of_file), o)
^  Fail: (244) [user] is_delimiter(o)
   Call: (244) [system] ')'==o
   Fail: (244) [system] ')'==o
   Call: (244) [system] get_char((0x558d99e6bec0), o)
   Exit: (244) [system] get_char((0x558d99e6bec0), o)
   Call: (244) [system] o=(\)
   Fail: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1239848)
   Call: (245) [system] peek_char((0x558d99e6bec0), _1240782)
   Exit: (245) [system] peek_char((0x558d99e6bec0), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Fail: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1245502, v('(', ')', end_of_file), n)
   Fail: (246) [system] arg(_1246434, v('(', ')', end_of_file), n)
^  Fail: (245) [user] is_delimiter(n)
   Call: (245) [system] ')'==n
   Fail: (245) [system] ')'==n
   Call: (245) [system] get_char((0x558d99e6bec0), n)
   Exit: (245) [system] get_char((0x558d99e6bec0), n)
   Call: (245) [system] n=(\)
   Fail: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1253784)
   Call: (246) [system] peek_char((0x558d99e6bec0), _1254718)
   Exit: (246) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1253784=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (245) [system] _1239848=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (244) [system] _1225912=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (243) [system] _1211976=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (242) [system] _1198040=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (241) [system] _1184104=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (240) [system] _1170168=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (239) [system] _1156232=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (238) [system] _1142296=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _1128360=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1114424=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1100488=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1086552=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1072616=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1058680=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1044744=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1030808=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1016872=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1002936=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _989000=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _975064=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _961128=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _947192=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _913538)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1325496, _1325498), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _913538), _1325472, fail)), '$restore_trace'(_1325496, _1325498))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1325496, _1325498))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _913538), _1325472, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_913538)
   Fail: (224) [system] atomic(_913538)
   Call: (224) [system] atom_chars(_913538, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1334872)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1336730)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _1344468)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1347172)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1362250)
   Exit: (222) [system] peek_char((0x558d99e6bec0), a)
   Call: (222) [system] a=')'
   Fail: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
   Fail: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1367820)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1369678)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=(;)
   Fail: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Fail: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Fail: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Fail: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
   Fail: (225) [system] char_type(a, cntrl)
^  Fail: (224) [user] is_like_space(a)
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1383832)
   Exit: (223) [system] get_char((0x558d99e6bec0), a)
   Call: (223) [system] a='('
   Fail: (223) [system] a='('
   Call: (223) [system] a='['
   Fail: (223) [system] a='['
   Call: (223) [system] a='{'
   Fail: (223) [system] a='{'
   Call: (223) [system] a='"'
   Fail: (223) [system] a='"'
   Call: (223) [system] a=!
   Fail: (223) [system] a=!
   Call: (223) [system] a='\''
   Fail: (223) [system] a='\''
   Call: (223) [system] a='`'
   Fail: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), a, _1367820)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1401474)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1402408)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1401474=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (224) [user] classify_and_convert_charseq(a, [], _1367820)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1411718, _1411720), once(user:catch(read_from_chars([a], _1367820), _1411694, fail)), '$restore_trace'(_1411718, _1411720))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1411718, _1411720))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1411694, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _1419218)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1421076)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _1428814)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1431518)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1446596)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _1452166)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1454024)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _1468178)
   Exit: (224) [system] get_char((0x558d99e6bec0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, _1452166)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1485820)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1486754)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1491474, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1485820=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq(a, [], _1452166)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1497936, _1497938), once(user:catch(read_from_chars([a], _1452166), _1497912, fail)), '$restore_trace'(_1497936, _1497938))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1497936, _1497938))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1497912, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), a)
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _1505436)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _1507294)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1521448)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _1525238)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _1505436=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1419218=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), [a])
   Call: (222) [system] _1334872=[a, a]
   Exit: (222) [system] [a, a]=[a, a]
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [a, a])
   Call: (221) [system] _872232=['DisjunctionIntroduction', a, a]
   Exit: (221) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', a, a])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1539120)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1540978)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=(;)
   Fail: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Fail: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Fail: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Fail: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
   Fail: (222) [system] char_type(')', cntrl)
^  Fail: (221) [user] is_like_space(')')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1555132)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x558d99e6bec0), _1558922)
   Exit: (220) [system] get_char((0x558d99e6bec0), ')')
   Call: (220) [system] _1539120=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (219) [system] _839284=[['DisjunctionIntroduction', a, a]]
   Exit: (219) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', a, a]])
   Call: (218) [system] _721478=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (218) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (217) [system] _258838=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1572804)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1574662)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1582400)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1585104)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1600182)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1605752)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1607610)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1621764)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1605752)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1627334)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'=(;)
   Fail: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Fail: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Fail: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Fail: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
   Fail: (220) [system] char_type('O', cntrl)
^  Fail: (219) [user] is_like_space('O')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1641488)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (218) [system] 'O'=')'
   Fail: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
   Fail: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1647058)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1648916)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (220) [system] 'O'=(;)
   Fail: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Fail: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Fail: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Fail: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
   Fail: (221) [system] char_type('O', cntrl)
^  Fail: (220) [user] is_like_space('O')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1663070)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'O')
   Call: (219) [system] 'O'='('
   Fail: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Fail: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Fail: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Fail: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Fail: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Fail: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Fail: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
   Fail: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _1647058)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1680712)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1681646)
   Exit: (221) [system] peek_char((0x558d99e6bec0), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Fail: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1686366, v('(', ')', end_of_file), r)
   Fail: (222) [system] arg(_1687298, v('(', ')', end_of_file), r)
^  Fail: (221) [user] is_delimiter(r)
   Call: (221) [system] ')'==r
   Fail: (221) [system] ')'==r
   Call: (221) [system] get_char((0x558d99e6bec0), r)
   Exit: (221) [system] get_char((0x558d99e6bec0), r)
   Call: (221) [system] r=(\)
   Fail: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1694648)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1695582)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Fail: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1700302, v('(', ')', end_of_file), 'L')
   Fail: (223) [system] arg(_1701234, v('(', ')', end_of_file), 'L')
^  Fail: (222) [user] is_delimiter('L')
   Call: (222) [system] ')'=='L'
   Fail: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (222) [system] get_char((0x558d99e6bec0), 'L')
   Call: (222) [system] 'L'=(\)
   Fail: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1708584)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1709518)
   Exit: (223) [system] peek_char((0x558d99e6bec0), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Fail: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1714238, v('(', ')', end_of_file), i)
   Fail: (224) [system] arg(_1715170, v('(', ')', end_of_file), i)
^  Fail: (223) [user] is_delimiter(i)
   Call: (223) [system] ')'==i
   Fail: (223) [system] ')'==i
   Call: (223) [system] get_char((0x558d99e6bec0), i)
   Exit: (223) [system] get_char((0x558d99e6bec0), i)
   Call: (223) [system] i=(\)
   Fail: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1722520)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1723454)
   Exit: (224) [system] peek_char((0x558d99e6bec0), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Fail: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1728174, v('(', ')', end_of_file), n)
   Fail: (225) [system] arg(_1729106, v('(', ')', end_of_file), n)
^  Fail: (224) [user] is_delimiter(n)
   Call: (224) [system] ')'==n
   Fail: (224) [system] ')'==n
   Call: (224) [system] get_char((0x558d99e6bec0), n)
   Exit: (224) [system] get_char((0x558d99e6bec0), n)
   Call: (224) [system] n=(\)
   Fail: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1736456)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1737390)
   Exit: (225) [system] peek_char((0x558d99e6bec0), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Fail: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1742110, v('(', ')', end_of_file), k)
   Fail: (226) [system] arg(_1743042, v('(', ')', end_of_file), k)
^  Fail: (225) [user] is_delimiter(k)
   Call: (225) [system] ')'==k
   Fail: (225) [system] ')'==k
   Call: (225) [system] get_char((0x558d99e6bec0), k)
   Exit: (225) [system] get_char((0x558d99e6bec0), k)
   Call: (225) [system] k=(\)
   Fail: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1750392)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1751326)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1750392=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (225) [system] _1736456=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (224) [system] _1722520=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (223) [system] _1708584=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (222) [system] _1694648=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (221) [system] _1680712=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1647058)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1774606, _1774608), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1647058), _1774582, fail)), '$restore_trace'(_1774606, _1774608))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1774606, _1774608))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1647058), _1774582, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1647058)
   Fail: (221) [system] atomic(_1647058)
   Call: (221) [system] atom_chars(_1647058, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1783982)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1785840)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1793578)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1796282)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1811360)
   Exit: (219) [system] peek_char((0x558d99e6bec0), '(')
   Call: (219) [system] '('=')'
   Fail: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
   Fail: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1816930)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1818788)
   Exit: (221) [system] peek_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('=(;)
   Fail: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Fail: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Fail: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Fail: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
   Fail: (222) [system] char_type('(', cntrl)
^  Fail: (221) [user] is_like_space('(')
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1832942)
   Exit: (220) [system] get_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _1816930)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1838512)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'=(;)
   Fail: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Fail: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Fail: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Fail: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
   Fail: (223) [system] char_type('I', cntrl)
^  Fail: (222) [user] is_like_space('I')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1852666)
   Exit: (221) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (221) [system] 'I'=')'
   Fail: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
   Fail: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x558d99e6bec0), _1858236)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1860094)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'I')
   Call: (223) [system] 'I'=(;)
   Fail: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Fail: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Fail: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Fail: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
   Fail: (224) [system] char_type('I', cntrl)
^  Fail: (223) [user] is_like_space('I')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] get_char((0x558d99e6bec0), _1874248)
   Exit: (222) [system] get_char((0x558d99e6bec0), 'I')
   Call: (222) [system] 'I'='('
   Fail: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Fail: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Fail: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Fail: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Fail: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Fail: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Fail: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
   Fail: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', _1858236)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1891890)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1892824)
   Exit: (224) [system] peek_char((0x558d99e6bec0), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Fail: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1897544, v('(', ')', end_of_file), m)
   Fail: (225) [system] arg(_1898476, v('(', ')', end_of_file), m)
^  Fail: (224) [user] is_delimiter(m)
   Call: (224) [system] ')'==m
   Fail: (224) [system] ')'==m
   Call: (224) [system] get_char((0x558d99e6bec0), m)
   Exit: (224) [system] get_char((0x558d99e6bec0), m)
   Call: (224) [system] m=(\)
   Fail: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1905826)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1906760)
   Exit: (225) [system] peek_char((0x558d99e6bec0), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Fail: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1911480, v('(', ')', end_of_file), p)
   Fail: (226) [system] arg(_1912412, v('(', ')', end_of_file), p)
^  Fail: (225) [user] is_delimiter(p)
   Call: (225) [system] ')'==p
   Fail: (225) [system] ')'==p
   Call: (225) [system] get_char((0x558d99e6bec0), p)
   Exit: (225) [system] get_char((0x558d99e6bec0), p)
   Call: (225) [system] p=(\)
   Fail: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1919762)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1920696)
   Exit: (226) [system] peek_char((0x558d99e6bec0), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Fail: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1925416, v('(', ')', end_of_file), l)
   Fail: (227) [system] arg(_1926348, v('(', ')', end_of_file), l)
^  Fail: (226) [user] is_delimiter(l)
   Call: (226) [system] ')'==l
   Fail: (226) [system] ')'==l
   Call: (226) [system] get_char((0x558d99e6bec0), l)
   Exit: (226) [system] get_char((0x558d99e6bec0), l)
   Call: (226) [system] l=(\)
   Fail: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1933698)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1934632)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1939352, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_1940284, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1947634)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1948568)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1953288, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_1954220, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1961570)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1962504)
   Exit: (229) [system] peek_char((0x558d99e6bec0), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Fail: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1967224, v('(', ')', end_of_file), a)
   Fail: (230) [system] arg(_1968156, v('(', ')', end_of_file), a)
^  Fail: (229) [user] is_delimiter(a)
   Call: (229) [system] ')'==a
   Fail: (229) [system] ')'==a
   Call: (229) [system] get_char((0x558d99e6bec0), a)
   Exit: (229) [system] get_char((0x558d99e6bec0), a)
   Call: (229) [system] a=(\)
   Fail: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1975506)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1976440)
   Exit: (230) [system] peek_char((0x558d99e6bec0), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Fail: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1981160, v('(', ')', end_of_file), t)
   Fail: (231) [system] arg(_1982092, v('(', ')', end_of_file), t)
^  Fail: (230) [user] is_delimiter(t)
   Call: (230) [system] ')'==t
   Fail: (230) [system] ')'==t
   Call: (230) [system] get_char((0x558d99e6bec0), t)
   Exit: (230) [system] get_char((0x558d99e6bec0), t)
   Call: (230) [system] t=(\)
   Fail: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1989442)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1990376)
   Exit: (231) [system] peek_char((0x558d99e6bec0), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Fail: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1995096, v('(', ')', end_of_file), i)
   Fail: (232) [system] arg(_1996028, v('(', ')', end_of_file), i)
^  Fail: (231) [user] is_delimiter(i)
   Call: (231) [system] ')'==i
   Fail: (231) [system] ')'==i
   Call: (231) [system] get_char((0x558d99e6bec0), i)
   Exit: (231) [system] get_char((0x558d99e6bec0), i)
   Call: (231) [system] i=(\)
   Fail: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2003378)
   Call: (232) [system] peek_char((0x558d99e6bec0), _2004312)
   Exit: (232) [system] peek_char((0x558d99e6bec0), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Fail: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_2009032, v('(', ')', end_of_file), o)
   Fail: (233) [system] arg(_2009964, v('(', ')', end_of_file), o)
^  Fail: (232) [user] is_delimiter(o)
   Call: (232) [system] ')'==o
   Fail: (232) [system] ')'==o
   Call: (232) [system] get_char((0x558d99e6bec0), o)
   Exit: (232) [system] get_char((0x558d99e6bec0), o)
   Call: (232) [system] o=(\)
   Fail: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2017314)
   Call: (233) [system] peek_char((0x558d99e6bec0), _2018248)
   Exit: (233) [system] peek_char((0x558d99e6bec0), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Fail: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_2022968, v('(', ')', end_of_file), n)
   Fail: (234) [system] arg(_2023900, v('(', ')', end_of_file), n)
^  Fail: (233) [user] is_delimiter(n)
   Call: (233) [system] ')'==n
   Fail: (233) [system] ')'==n
   Call: (233) [system] get_char((0x558d99e6bec0), n)
   Exit: (233) [system] get_char((0x558d99e6bec0), n)
   Call: (233) [system] n=(\)
   Fail: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2031250)
   Call: (234) [system] peek_char((0x558d99e6bec0), _2032184)
   Exit: (234) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _2031250=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (233) [system] _2017314=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (232) [system] _2003378=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (231) [system] _1989442=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (230) [system] _1975506=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (229) [system] _1961570=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [a, t, i, o, n])
   Call: (228) [system] _1947634=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, a, t, i, o, n])
   Call: (227) [system] _1933698=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, c, a, t, i, o, n])
   Call: (226) [system] _1919762=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1905826=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1891890=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1858236)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_2069434, _2069436), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1858236), _2069410, fail)), '$restore_trace'(_2069434, _2069436))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_2069434, _2069436))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1858236), _2069410, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1858236)
   Fail: (224) [system] atomic(_1858236)
   Call: (224) [system] atom_chars(_1858236, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x558d99e6bec0), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x558d99e6bec0), 'Implication')
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _2078810)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _2080668)
   Exit: (223) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (223) [system] ' '=(;)
   Fail: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x558d99e6bec0), _2088406)
   Exit: (223) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _2091110)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _16544)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=')'
   Fail: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
   Fail: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _22114)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _23972)
   Exit: (224) [system] peek_char((0x558d99e6bec0), '(')
   Call: (224) [system] '('=(;)
   Fail: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Fail: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Fail: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Fail: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
   Fail: (225) [system] char_type('(', cntrl)
^  Fail: (224) [user] is_like_space('(')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _38126)
   Exit: (223) [system] get_char((0x558d99e6bec0), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _22114)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _43696)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _57850)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _63420)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _65278)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _79432)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _63420)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _97074)
   Call: (227) [system] peek_char((0x558d99e6bec0), _98008)
   Exit: (227) [system] peek_char((0x558d99e6bec0), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Fail: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_102728, v('(', ')', end_of_file), n)
   Fail: (228) [system] arg(_103660, v('(', ')', end_of_file), n)
^  Fail: (227) [user] is_delimiter(n)
   Call: (227) [system] ')'==n
   Fail: (227) [system] ')'==n
   Call: (227) [system] get_char((0x558d99e6bec0), n)
   Exit: (227) [system] get_char((0x558d99e6bec0), n)
   Call: (227) [system] n=(\)
   Fail: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _111010)
   Call: (228) [system] peek_char((0x558d99e6bec0), _111944)
   Exit: (228) [system] peek_char((0x558d99e6bec0), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Fail: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_116664, v('(', ')', end_of_file), d)
   Fail: (229) [system] arg(_117596, v('(', ')', end_of_file), d)
^  Fail: (228) [user] is_delimiter(d)
   Call: (228) [system] ')'==d
   Fail: (228) [system] ')'==d
   Call: (228) [system] get_char((0x558d99e6bec0), d)
   Exit: (228) [system] get_char((0x558d99e6bec0), d)
   Call: (228) [system] d=(\)
   Fail: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _124946)
   Call: (229) [system] peek_char((0x558d99e6bec0), _125880)
   Exit: (229) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Fail: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_130600, v('(', ')', end_of_file), 'L')
   Fail: (230) [system] arg(_131532, v('(', ')', end_of_file), 'L')
^  Fail: (229) [user] is_delimiter('L')
   Call: (229) [system] ')'=='L'
   Fail: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (229) [system] get_char((0x558d99e6bec0), 'L')
   Call: (229) [system] 'L'=(\)
   Fail: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _138882)
   Call: (230) [system] peek_char((0x558d99e6bec0), _139816)
   Exit: (230) [system] peek_char((0x558d99e6bec0), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Fail: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_144536, v('(', ')', end_of_file), i)
   Fail: (231) [system] arg(_145468, v('(', ')', end_of_file), i)
^  Fail: (230) [user] is_delimiter(i)
   Call: (230) [system] ')'==i
   Fail: (230) [system] ')'==i
   Call: (230) [system] get_char((0x558d99e6bec0), i)
   Exit: (230) [system] get_char((0x558d99e6bec0), i)
   Call: (230) [system] i=(\)
   Fail: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _152818)
   Call: (231) [system] peek_char((0x558d99e6bec0), _153752)
   Exit: (231) [system] peek_char((0x558d99e6bec0), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Fail: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_158472, v('(', ')', end_of_file), n)
   Fail: (232) [system] arg(_159404, v('(', ')', end_of_file), n)
^  Fail: (231) [user] is_delimiter(n)
   Call: (231) [system] ')'==n
   Fail: (231) [system] ')'==n
   Call: (231) [system] get_char((0x558d99e6bec0), n)
   Exit: (231) [system] get_char((0x558d99e6bec0), n)
   Call: (231) [system] n=(\)
   Fail: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _166754)
   Call: (232) [system] peek_char((0x558d99e6bec0), _167688)
   Exit: (232) [system] peek_char((0x558d99e6bec0), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Fail: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_172408, v('(', ')', end_of_file), k)
   Fail: (233) [system] arg(_173340, v('(', ')', end_of_file), k)
^  Fail: (232) [user] is_delimiter(k)
   Call: (232) [system] ')'==k
   Fail: (232) [system] ')'==k
   Call: (232) [system] get_char((0x558d99e6bec0), k)
   Exit: (232) [system] get_char((0x558d99e6bec0), k)
   Call: (232) [system] k=(\)
   Fail: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _180690)
   Call: (233) [system] peek_char((0x558d99e6bec0), _181624)
   Exit: (233) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _180690=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (232) [system] _166754=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (231) [system] _152818=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (230) [system] _138882=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (229) [system] _124946=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (228) [system] _111010=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, 'L', i, n, k])
   Call: (227) [system] _97074=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _63420)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_207698, _207700), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _63420), _207674, fail)), '$restore_trace'(_207698, _207700))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_207698, _207700))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _63420), _207674, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_63420)
   Fail: (227) [system] atomic(_63420)
   Call: (227) [system] atom_chars(_63420, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'AndLink')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _217074)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _218932)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (226) [system] ' '=(;)
   Fail: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x558d99e6bec0), _226670)
   Exit: (226) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _229374)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _244452)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=')'
   Fail: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x558d99e6bec0), _250022)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _251880)
   Exit: (227) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (227) [system] 'A'=(;)
   Fail: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Fail: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Fail: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Fail: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
   Fail: (228) [system] char_type('A', cntrl)
^  Fail: (227) [user] is_like_space('A')
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] get_char((0x558d99e6bec0), _266034)
   Exit: (226) [system] get_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'='('
   Fail: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Fail: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Fail: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Fail: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Fail: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Fail: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Fail: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
   Fail: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _250022)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _283676)
   Call: (228) [system] peek_char((0x558d99e6bec0), _284610)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _283676=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (227) [user] classify_and_convert_charseq('A', [], _250022)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_293920, _293922), once(user:catch(read_from_chars(['A'], _250022), _293896, fail)), '$restore_trace'(_293920, _293922))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_293920, _293922))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _250022), _293896, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_250022)
   Fail: (228) [system] atomic(_250022)
   Call: (228) [system] atom_chars(_250022, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (225) [user] read_list(')', (0x558d99e6bec0), _303296)
^  Call: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _305154)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (227) [system] ' '=(;)
   Fail: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x558d99e6bec0), _312892)
   Exit: (227) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _315596)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (226) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _330674)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (226) [system] 'B'=')'
   Fail: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
   Fail: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x558d99e6bec0), _336244)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _338102)
   Exit: (228) [system] peek_char((0x558d99e6bec0), 'B')
   Call: (228) [system] 'B'=(;)
   Fail: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Fail: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Fail: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Fail: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
   Fail: (229) [system] char_type('B', cntrl)
^  Fail: (228) [user] is_like_space('B')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] get_char((0x558d99e6bec0), _352256)
   Exit: (227) [system] get_char((0x558d99e6bec0), 'B')
   Call: (227) [system] 'B'='('
   Fail: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Fail: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Fail: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Fail: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Fail: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Fail: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Fail: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
   Fail: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'B', _336244)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _369898)
   Call: (229) [system] peek_char((0x558d99e6bec0), _370832)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_375552, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _369898=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (228) [user] classify_and_convert_charseq('B', [], _336244)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_382014, _382016), once(user:catch(read_from_chars(['B'], _336244), _381990, fail)), '$restore_trace'(_382014, _382016))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_382014, _382016))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _336244), _381990, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_336244)
   Fail: (229) [system] atomic(_336244)
   Call: (229) [system] atom_chars(_336244, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x558d99e6bec0), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x558d99e6bec0), 'B')
^  Call: (226) [user] read_list(')', (0x558d99e6bec0), _391390)
^  Call: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (228) [system] peek_char((0x558d99e6bec0), _393248)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ')')
   Call: (228) [system] ')'=(;)
   Fail: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Fail: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Fail: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Fail: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
   Fail: (229) [system] char_type(')', cntrl)
^  Fail: (228) [user] is_like_space(')')
^  Exit: (227) [user] skip_spaces((0x558d99e6bec0))
   Call: (227) [system] peek_char((0x558d99e6bec0), _407402)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x558d99e6bec0), _411192)
   Exit: (227) [system] get_char((0x558d99e6bec0), ')')
   Call: (227) [system] _391390=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (226) [system] _303296=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x558d99e6bec0), ['B'])
   Call: (225) [system] _217074=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), ['A', 'B'])
   Call: (224) [system] _22114=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _425074)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _426932)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _434670)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _437374)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _452452)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=')'
   Fail: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _458022)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _459880)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (225) [system] 'C'=(;)
   Fail: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Fail: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Fail: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Fail: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
   Fail: (226) [system] char_type('C', cntrl)
^  Fail: (225) [user] is_like_space('C')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _474034)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'='('
   Fail: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Fail: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Fail: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Fail: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Fail: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Fail: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Fail: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
   Fail: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _458022)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _491676)
   Call: (226) [system] peek_char((0x558d99e6bec0), _492610)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_497330, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _491676=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('C', [], _458022)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_503792, _503794), once(user:catch(read_from_chars(['C'], _458022), _503768, fail)), '$restore_trace'(_503792, _503794))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_503792, _503794))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _458022), _503768, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_458022)
   Fail: (226) [system] atomic(_458022)
   Call: (226) [system] atom_chars(_458022, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'C')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _513168)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _515026)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=(;)
   Fail: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Fail: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Fail: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Fail: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
   Fail: (226) [system] char_type(')', cntrl)
^  Fail: (225) [user] is_like_space(')')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _529180)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x558d99e6bec0), _532970)
   Exit: (224) [system] get_char((0x558d99e6bec0), ')')
   Call: (224) [system] _513168=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (223) [system] _425074=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['C'])
   Call: (222) [system] _6718=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _6710=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _546852)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _548710)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _556448)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _559152)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _574230)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _579800)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _581658)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _595812)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _579800)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _601382)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'=(;)
   Fail: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Fail: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Fail: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Fail: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
   Fail: (224) [system] char_type('O', cntrl)
^  Fail: (223) [user] is_like_space('O')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _615536)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (222) [system] 'O'=')'
   Fail: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
   Fail: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _621106)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _622964)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'O')
   Call: (224) [system] 'O'=(;)
   Fail: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Fail: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Fail: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Fail: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
   Fail: (225) [system] char_type('O', cntrl)
^  Fail: (224) [user] is_like_space('O')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _637118)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'O')
   Call: (223) [system] 'O'='('
   Fail: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Fail: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Fail: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Fail: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Fail: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Fail: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Fail: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
   Fail: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'O', _621106)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _654760)
   Call: (225) [system] peek_char((0x558d99e6bec0), _655694)
   Exit: (225) [system] peek_char((0x558d99e6bec0), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Fail: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_660414, v('(', ')', end_of_file), r)
   Fail: (226) [system] arg(_661346, v('(', ')', end_of_file), r)
^  Fail: (225) [user] is_delimiter(r)
   Call: (225) [system] ')'==r
   Fail: (225) [system] ')'==r
   Call: (225) [system] get_char((0x558d99e6bec0), r)
   Exit: (225) [system] get_char((0x558d99e6bec0), r)
   Call: (225) [system] r=(\)
   Fail: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _668696)
   Call: (226) [system] peek_char((0x558d99e6bec0), _669630)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Fail: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_674350, v('(', ')', end_of_file), 'L')
   Fail: (227) [system] arg(_675282, v('(', ')', end_of_file), 'L')
^  Fail: (226) [user] is_delimiter('L')
   Call: (226) [system] ')'=='L'
   Fail: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x558d99e6bec0), 'L')
   Exit: (226) [system] get_char((0x558d99e6bec0), 'L')
   Call: (226) [system] 'L'=(\)
   Fail: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _682632)
   Call: (227) [system] peek_char((0x558d99e6bec0), _683566)
   Exit: (227) [system] peek_char((0x558d99e6bec0), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Fail: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_688286, v('(', ')', end_of_file), i)
   Fail: (228) [system] arg(_689218, v('(', ')', end_of_file), i)
^  Fail: (227) [user] is_delimiter(i)
   Call: (227) [system] ')'==i
   Fail: (227) [system] ')'==i
   Call: (227) [system] get_char((0x558d99e6bec0), i)
   Exit: (227) [system] get_char((0x558d99e6bec0), i)
   Call: (227) [system] i=(\)
   Fail: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _696568)
   Call: (228) [system] peek_char((0x558d99e6bec0), _697502)
   Exit: (228) [system] peek_char((0x558d99e6bec0), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Fail: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_702222, v('(', ')', end_of_file), n)
   Fail: (229) [system] arg(_703154, v('(', ')', end_of_file), n)
^  Fail: (228) [user] is_delimiter(n)
   Call: (228) [system] ')'==n
   Fail: (228) [system] ')'==n
   Call: (228) [system] get_char((0x558d99e6bec0), n)
   Exit: (228) [system] get_char((0x558d99e6bec0), n)
   Call: (228) [system] n=(\)
   Fail: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _710504)
   Call: (229) [system] peek_char((0x558d99e6bec0), _711438)
   Exit: (229) [system] peek_char((0x558d99e6bec0), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Fail: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_716158, v('(', ')', end_of_file), k)
   Fail: (230) [system] arg(_717090, v('(', ')', end_of_file), k)
^  Fail: (229) [user] is_delimiter(k)
   Call: (229) [system] ')'==k
   Fail: (229) [system] ')'==k
   Call: (229) [system] get_char((0x558d99e6bec0), k)
   Exit: (229) [system] get_char((0x558d99e6bec0), k)
   Call: (229) [system] k=(\)
   Fail: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _724440)
   Call: (230) [system] peek_char((0x558d99e6bec0), _725374)
   Exit: (230) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _724440=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (229) [system] _710504=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [k])
   Call: (228) [system] _696568=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, k])
   Call: (227) [system] _682632=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, n, k])
   Call: (226) [system] _668696=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['L', i, n, k])
   Call: (225) [system] _654760=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _621106)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_748654, _748656), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _621106), _748630, fail)), '$restore_trace'(_748654, _748656))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_748654, _748656))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _621106), _748630, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_621106)
   Fail: (225) [system] atomic(_621106)
   Call: (225) [system] atom_chars(_621106, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'OrLink')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _758030)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _759888)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _767626)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _770330)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _785408)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (223) [system] 'A'=')'
   Fail: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
   Fail: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _790978)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _792836)
   Exit: (225) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'=(;)
   Fail: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Fail: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Fail: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Fail: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
   Fail: (226) [system] char_type('A', cntrl)
^  Fail: (225) [user] is_like_space('A')
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _806990)
   Exit: (224) [system] get_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'='('
   Fail: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Fail: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Fail: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Fail: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Fail: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Fail: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Fail: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _790978)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _824632)
   Call: (226) [system] peek_char((0x558d99e6bec0), _825566)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _824632=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _790978)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_834876, _834878), once(user:catch(read_from_chars(['A'], _790978), _834852, fail)), '$restore_trace'(_834876, _834878))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_834876, _834878))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _790978), _834852, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_790978)
   Fail: (226) [system] atomic(_790978)
   Call: (226) [system] atom_chars(_790978, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _844252)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _846110)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _853848)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _856552)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _871630)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (224) [system] 'A'=')'
   Fail: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
   Fail: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _877200)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _879058)
   Exit: (226) [system] peek_char((0x558d99e6bec0), 'A')
   Call: (226) [system] 'A'=(;)
   Fail: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Fail: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Fail: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Fail: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
   Fail: (227) [system] char_type('A', cntrl)
^  Fail: (226) [user] is_like_space('A')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _893212)
   Exit: (225) [system] get_char((0x558d99e6bec0), 'A')
   Call: (225) [system] 'A'='('
   Fail: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Fail: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Fail: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Fail: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Fail: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Fail: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Fail: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
   Fail: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', _877200)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _910854)
   Call: (227) [system] peek_char((0x558d99e6bec0), _911788)
   Exit: (227) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Fail: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_916508, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _910854=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _877200)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_922970, _922972), once(user:catch(read_from_chars(['A'], _877200), _922946, fail)), '$restore_trace'(_922970, _922972))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_922970, _922972))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _877200), _922946, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_877200)
   Fail: (227) [system] atomic(_877200)
   Call: (227) [system] atom_chars(_877200, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), 'A')
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _932346)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _934204)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _948358)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x558d99e6bec0), _952148)
   Exit: (225) [system] get_char((0x558d99e6bec0), ')')
   Call: (225) [system] _932346=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (224) [system] _844252=['A']
   Exit: (224) [system] ['A']=['A']
^  Exit: (223) [user] read_list(')', (0x558d99e6bec0), ['A'])
   Call: (223) [system] _758030=['A', 'A']
   Exit: (223) [system] ['A', 'A']=['A', 'A']
^  Exit: (222) [user] read_list(')', (0x558d99e6bec0), ['A', 'A'])
   Call: (222) [system] _579800=['OrLink', 'A', 'A']
   Exit: (222) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (221) [user] read_list(')', (0x558d99e6bec0), ['OrLink', 'A', 'A'])
^  Exit: (220) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', 'A', 'A'])
^  Call: (220) [user] read_list(')', (0x558d99e6bec0), _966030)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _967888)
   Exit: (222) [system] peek_char((0x558d99e6bec0), ')')
   Call: (222) [system] ')'=(;)
   Fail: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Fail: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Fail: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Fail: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
   Fail: (223) [system] char_type(')', cntrl)
^  Fail: (222) [user] is_like_space(')')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _982042)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x558d99e6bec0), _985832)
   Exit: (221) [system] get_char((0x558d99e6bec0), ')')
   Call: (221) [system] _966030=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (220) [system] _546852=[['OrLink', 'A', 'A']]
   Exit: (220) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (219) [user] read_list(')', (0x558d99e6bec0), [['OrLink', 'A', 'A']])
   Call: (219) [system] _6706=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
^  Exit: (218) [user] read_list(')', (0x558d99e6bec0), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
   Call: (218) [system] _6698=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
^  Exit: (217) [user] read_list(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
^  Exit: (216) [user] cont_sexpr(')', (0x558d99e6bec0), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
^  Call: (216) [user] read_list(')', (0x558d99e6bec0), _999714)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1001572)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ')')
   Call: (218) [system] ')'=(;)
   Fail: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Fail: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Fail: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Fail: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
   Fail: (219) [system] char_type(')', cntrl)
^  Fail: (218) [user] is_like_space(')')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1015726)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x558d99e6bec0), _1019516)
   Exit: (217) [system] get_char((0x558d99e6bec0), ')')
   Call: (217) [system] _999714=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x558d99e6bec0), [])
   Call: (216) [system] _6694=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (215) [user] read_list(')', (0x558d99e6bec0), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
   Call: (215) [system] _6652=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (214) [user] read_list(')', (0x558d99e6bec0), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
   Call: (214) [system] _6644=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (213) [user] read_list(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
^  Exit: (212) [user] cont_sexpr(')', (0x558d99e6bec0), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
^  Call: (212) [user] read_list(')', (0x558d99e6bec0), _1033398)
^  Call: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] peek_char((0x558d99e6bec0), _1035256)
   Exit: (214) [system] peek_char((0x558d99e6bec0), '\n')
   Call: (214) [system] '\n'=(;)
   Fail: (214) [system] '\n'=(;)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Fail: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x558d99e6bec0), _1044850)
   Exit: (214) [system] get_char((0x558d99e6bec0), '\n')
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1047554)
   Exit: (215) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (215) [system] ' '=(;)
   Fail: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x558d99e6bec0), _1055292)
   Exit: (215) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1057996)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=(;)
   Fail: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Fail: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Fail: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Fail: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
   Fail: (217) [system] char_type('(', cntrl)
^  Fail: (216) [user] is_like_space('(')
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (213) [user] skip_spaces((0x558d99e6bec0))
   Call: (213) [system] peek_char((0x558d99e6bec0), _1073998)
   Exit: (213) [system] peek_char((0x558d99e6bec0), '(')
   Call: (213) [system] '('=')'
   Fail: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
   Fail: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x558d99e6bec0), _1079568)
^  Call: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1081426)
   Exit: (215) [system] peek_char((0x558d99e6bec0), '(')
   Call: (215) [system] '('=(;)
   Fail: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Fail: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Fail: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Fail: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
   Fail: (216) [system] char_type('(', cntrl)
^  Fail: (215) [user] is_like_space('(')
^  Exit: (214) [user] skip_spaces((0x558d99e6bec0))
   Call: (214) [system] get_char((0x558d99e6bec0), _1095580)
   Exit: (214) [system] get_char((0x558d99e6bec0), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x558d99e6bec0), _1079568)
^  Call: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1101150)
   Exit: (216) [system] peek_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)=(;)
   Fail: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Fail: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Fail: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Fail: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
   Fail: (217) [system] char_type(:, cntrl)
^  Fail: (216) [user] is_like_space(:)
^  Exit: (215) [user] skip_spaces((0x558d99e6bec0))
   Call: (215) [system] peek_char((0x558d99e6bec0), _1115304)
   Exit: (215) [system] peek_char((0x558d99e6bec0), :)
   Call: (215) [system] (:)=')'
   Fail: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
   Fail: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x558d99e6bec0), _1120874)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1122732)
   Exit: (217) [system] peek_char((0x558d99e6bec0), :)
   Call: (217) [system] (:)=(;)
   Fail: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Fail: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Fail: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Fail: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
   Fail: (218) [system] char_type(:, cntrl)
^  Fail: (217) [user] is_like_space(:)
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] get_char((0x558d99e6bec0), _1136886)
   Exit: (216) [system] get_char((0x558d99e6bec0), :)
   Call: (216) [system] (:)='('
   Fail: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Fail: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Fail: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Fail: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Fail: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Fail: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Fail: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
   Fail: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x558d99e6bec0), :, _1120874)
^  Call: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1154528)
   Call: (218) [system] peek_char((0x558d99e6bec0), _1155462)
   Exit: (218) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1154528=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
^  Call: (217) [user] classify_and_convert_charseq(:, [], _1120874)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1164772, _1164774), once(user:catch(read_from_chars([:], _1120874), _1164748, fail)), '$restore_trace'(_1164772, _1164774))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1164772, _1164774))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1164748, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (216) [user] read_symbolic(')', (0x558d99e6bec0), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x558d99e6bec0), :)
^  Call: (215) [user] read_list(')', (0x558d99e6bec0), _1172272)
^  Call: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] peek_char((0x558d99e6bec0), _1174130)
   Exit: (217) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (217) [system] ' '=(;)
   Fail: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x558d99e6bec0), _1181868)
   Exit: (217) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1184572)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (216) [user] skip_spaces((0x558d99e6bec0))
   Call: (216) [system] peek_char((0x558d99e6bec0), _1199650)
   Exit: (216) [system] peek_char((0x558d99e6bec0), '(')
   Call: (216) [system] '('=')'
   Fail: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
   Fail: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x558d99e6bec0), _1205220)
^  Call: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1207078)
   Exit: (218) [system] peek_char((0x558d99e6bec0), '(')
   Call: (218) [system] '('=(;)
   Fail: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Fail: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Fail: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Fail: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
   Fail: (219) [system] char_type('(', cntrl)
^  Fail: (218) [user] is_like_space('(')
^  Exit: (217) [user] skip_spaces((0x558d99e6bec0))
   Call: (217) [system] get_char((0x558d99e6bec0), _1221232)
   Exit: (217) [system] get_char((0x558d99e6bec0), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x558d99e6bec0), _1205220)
^  Call: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1226802)
   Exit: (219) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'=(;)
   Fail: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Fail: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Fail: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Fail: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
   Fail: (220) [system] char_type('D', cntrl)
^  Fail: (219) [user] is_like_space('D')
^  Exit: (218) [user] skip_spaces((0x558d99e6bec0))
   Call: (218) [system] peek_char((0x558d99e6bec0), _1240956)
   Exit: (218) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (218) [system] 'D'=')'
   Fail: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
   Fail: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x558d99e6bec0), _1246526)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1248384)
   Exit: (220) [system] peek_char((0x558d99e6bec0), 'D')
   Call: (220) [system] 'D'=(;)
   Fail: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Fail: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Fail: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Fail: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
   Fail: (221) [system] char_type('D', cntrl)
^  Fail: (220) [user] is_like_space('D')
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] get_char((0x558d99e6bec0), _1262538)
   Exit: (219) [system] get_char((0x558d99e6bec0), 'D')
   Call: (219) [system] 'D'='('
   Fail: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Fail: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Fail: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Fail: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Fail: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Fail: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Fail: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
   Fail: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', _1246526)
^  Call: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1280180)
   Call: (221) [system] peek_char((0x558d99e6bec0), _1281114)
   Exit: (221) [system] peek_char((0x558d99e6bec0), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Fail: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1285834, v('(', ')', end_of_file), i)
   Fail: (222) [system] arg(_1286766, v('(', ')', end_of_file), i)
^  Fail: (221) [user] is_delimiter(i)
   Call: (221) [system] ')'==i
   Fail: (221) [system] ')'==i
   Call: (221) [system] get_char((0x558d99e6bec0), i)
   Exit: (221) [system] get_char((0x558d99e6bec0), i)
   Call: (221) [system] i=(\)
   Fail: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1294116)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1295050)
   Exit: (222) [system] peek_char((0x558d99e6bec0), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Fail: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1299770, v('(', ')', end_of_file), s)
   Fail: (223) [system] arg(_1300702, v('(', ')', end_of_file), s)
^  Fail: (222) [user] is_delimiter(s)
   Call: (222) [system] ')'==s
   Fail: (222) [system] ')'==s
   Call: (222) [system] get_char((0x558d99e6bec0), s)
   Exit: (222) [system] get_char((0x558d99e6bec0), s)
   Call: (222) [system] s=(\)
   Fail: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1308052)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1308986)
   Exit: (223) [system] peek_char((0x558d99e6bec0), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Fail: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_1313706, v('(', ')', end_of_file), j)
   Fail: (224) [system] arg(_1314638, v('(', ')', end_of_file), j)
^  Fail: (223) [user] is_delimiter(j)
   Call: (223) [system] ')'==j
   Fail: (223) [system] ')'==j
   Call: (223) [system] get_char((0x558d99e6bec0), j)
   Exit: (223) [system] get_char((0x558d99e6bec0), j)
   Call: (223) [system] j=(\)
   Fail: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1321988)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1322922)
   Exit: (224) [system] peek_char((0x558d99e6bec0), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Fail: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1327642, v('(', ')', end_of_file), u)
   Fail: (225) [system] arg(_1328574, v('(', ')', end_of_file), u)
^  Fail: (224) [user] is_delimiter(u)
   Call: (224) [system] ')'==u
   Fail: (224) [system] ')'==u
   Call: (224) [system] get_char((0x558d99e6bec0), u)
   Exit: (224) [system] get_char((0x558d99e6bec0), u)
   Call: (224) [system] u=(\)
   Fail: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1335924)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1336858)
   Exit: (225) [system] peek_char((0x558d99e6bec0), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Fail: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1341578, v('(', ')', end_of_file), n)
   Fail: (226) [system] arg(_1342510, v('(', ')', end_of_file), n)
^  Fail: (225) [user] is_delimiter(n)
   Call: (225) [system] ')'==n
   Fail: (225) [system] ')'==n
   Call: (225) [system] get_char((0x558d99e6bec0), n)
   Exit: (225) [system] get_char((0x558d99e6bec0), n)
   Call: (225) [system] n=(\)
   Fail: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1349860)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1350794)
   Exit: (226) [system] peek_char((0x558d99e6bec0), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Fail: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1355514, v('(', ')', end_of_file), c)
   Fail: (227) [system] arg(_1356446, v('(', ')', end_of_file), c)
^  Fail: (226) [user] is_delimiter(c)
   Call: (226) [system] ')'==c
   Fail: (226) [system] ')'==c
   Call: (226) [system] get_char((0x558d99e6bec0), c)
   Exit: (226) [system] get_char((0x558d99e6bec0), c)
   Call: (226) [system] c=(\)
   Fail: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1363796)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1364730)
   Exit: (227) [system] peek_char((0x558d99e6bec0), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Fail: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1369450, v('(', ')', end_of_file), t)
   Fail: (228) [system] arg(_1370382, v('(', ')', end_of_file), t)
^  Fail: (227) [user] is_delimiter(t)
   Call: (227) [system] ')'==t
   Fail: (227) [system] ')'==t
   Call: (227) [system] get_char((0x558d99e6bec0), t)
   Exit: (227) [system] get_char((0x558d99e6bec0), t)
   Call: (227) [system] t=(\)
   Fail: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1377732)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1378666)
   Exit: (228) [system] peek_char((0x558d99e6bec0), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Fail: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1383386, v('(', ')', end_of_file), i)
   Fail: (229) [system] arg(_1384318, v('(', ')', end_of_file), i)
^  Fail: (228) [user] is_delimiter(i)
   Call: (228) [system] ')'==i
   Fail: (228) [system] ')'==i
   Call: (228) [system] get_char((0x558d99e6bec0), i)
   Exit: (228) [system] get_char((0x558d99e6bec0), i)
   Call: (228) [system] i=(\)
   Fail: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1391668)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1392602)
   Exit: (229) [system] peek_char((0x558d99e6bec0), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Fail: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1397322, v('(', ')', end_of_file), o)
   Fail: (230) [system] arg(_1398254, v('(', ')', end_of_file), o)
^  Fail: (229) [user] is_delimiter(o)
   Call: (229) [system] ')'==o
   Fail: (229) [system] ')'==o
   Call: (229) [system] get_char((0x558d99e6bec0), o)
   Exit: (229) [system] get_char((0x558d99e6bec0), o)
   Call: (229) [system] o=(\)
   Fail: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1405604)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1406538)
   Exit: (230) [system] peek_char((0x558d99e6bec0), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Fail: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1411258, v('(', ')', end_of_file), n)
   Fail: (231) [system] arg(_1412190, v('(', ')', end_of_file), n)
^  Fail: (230) [user] is_delimiter(n)
   Call: (230) [system] ')'==n
   Fail: (230) [system] ')'==n
   Call: (230) [system] get_char((0x558d99e6bec0), n)
   Exit: (230) [system] get_char((0x558d99e6bec0), n)
   Call: (230) [system] n=(\)
   Fail: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1419540)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1420474)
   Exit: (231) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Fail: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1425194, v('(', ')', end_of_file), 'I')
   Fail: (232) [system] arg(_1426126, v('(', ')', end_of_file), 'I')
^  Fail: (231) [user] is_delimiter('I')
   Call: (231) [system] ')'=='I'
   Fail: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (231) [system] get_char((0x558d99e6bec0), 'I')
   Call: (231) [system] 'I'=(\)
   Fail: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1433476)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1434410)
   Exit: (232) [system] peek_char((0x558d99e6bec0), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Fail: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1439130, v('(', ')', end_of_file), n)
   Fail: (233) [system] arg(_1440062, v('(', ')', end_of_file), n)
^  Fail: (232) [user] is_delimiter(n)
   Call: (232) [system] ')'==n
   Fail: (232) [system] ')'==n
   Call: (232) [system] get_char((0x558d99e6bec0), n)
   Exit: (232) [system] get_char((0x558d99e6bec0), n)
   Call: (232) [system] n=(\)
   Fail: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1447412)
   Call: (233) [system] peek_char((0x558d99e6bec0), _1448346)
   Exit: (233) [system] peek_char((0x558d99e6bec0), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Fail: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1453066, v('(', ')', end_of_file), t)
   Fail: (234) [system] arg(_1453998, v('(', ')', end_of_file), t)
^  Fail: (233) [user] is_delimiter(t)
   Call: (233) [system] ')'==t
   Fail: (233) [system] ')'==t
   Call: (233) [system] get_char((0x558d99e6bec0), t)
   Exit: (233) [system] get_char((0x558d99e6bec0), t)
   Call: (233) [system] t=(\)
   Fail: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1461348)
   Call: (234) [system] peek_char((0x558d99e6bec0), _1462282)
   Exit: (234) [system] peek_char((0x558d99e6bec0), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Fail: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1467002, v('(', ')', end_of_file), r)
   Fail: (235) [system] arg(_1467934, v('(', ')', end_of_file), r)
^  Fail: (234) [user] is_delimiter(r)
   Call: (234) [system] ')'==r
   Fail: (234) [system] ')'==r
   Call: (234) [system] get_char((0x558d99e6bec0), r)
   Exit: (234) [system] get_char((0x558d99e6bec0), r)
   Call: (234) [system] r=(\)
   Fail: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1475284)
   Call: (235) [system] peek_char((0x558d99e6bec0), _1476218)
   Exit: (235) [system] peek_char((0x558d99e6bec0), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Fail: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1480938, v('(', ')', end_of_file), o)
   Fail: (236) [system] arg(_1481870, v('(', ')', end_of_file), o)
^  Fail: (235) [user] is_delimiter(o)
   Call: (235) [system] ')'==o
   Fail: (235) [system] ')'==o
   Call: (235) [system] get_char((0x558d99e6bec0), o)
   Exit: (235) [system] get_char((0x558d99e6bec0), o)
   Call: (235) [system] o=(\)
   Fail: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1489220)
   Call: (236) [system] peek_char((0x558d99e6bec0), _1490154)
   Exit: (236) [system] peek_char((0x558d99e6bec0), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Fail: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1494874, v('(', ')', end_of_file), d)
   Fail: (237) [system] arg(_1495806, v('(', ')', end_of_file), d)
^  Fail: (236) [user] is_delimiter(d)
   Call: (236) [system] ')'==d
   Fail: (236) [system] ')'==d
   Call: (236) [system] get_char((0x558d99e6bec0), d)
   Exit: (236) [system] get_char((0x558d99e6bec0), d)
   Call: (236) [system] d=(\)
   Fail: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1503156)
   Call: (237) [system] peek_char((0x558d99e6bec0), _1504090)
   Exit: (237) [system] peek_char((0x558d99e6bec0), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Fail: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1508810, v('(', ')', end_of_file), u)
   Fail: (238) [system] arg(_1509742, v('(', ')', end_of_file), u)
^  Fail: (237) [user] is_delimiter(u)
   Call: (237) [system] ')'==u
   Fail: (237) [system] ')'==u
   Call: (237) [system] get_char((0x558d99e6bec0), u)
   Exit: (237) [system] get_char((0x558d99e6bec0), u)
   Call: (237) [system] u=(\)
   Fail: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1517092)
   Call: (238) [system] peek_char((0x558d99e6bec0), _1518026)
   Exit: (238) [system] peek_char((0x558d99e6bec0), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Fail: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1522746, v('(', ')', end_of_file), c)
   Fail: (239) [system] arg(_1523678, v('(', ')', end_of_file), c)
^  Fail: (238) [user] is_delimiter(c)
   Call: (238) [system] ')'==c
   Fail: (238) [system] ')'==c
   Call: (238) [system] get_char((0x558d99e6bec0), c)
   Exit: (238) [system] get_char((0x558d99e6bec0), c)
   Call: (238) [system] c=(\)
   Fail: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1531028)
   Call: (239) [system] peek_char((0x558d99e6bec0), _1531962)
   Exit: (239) [system] peek_char((0x558d99e6bec0), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Fail: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1536682, v('(', ')', end_of_file), t)
   Fail: (240) [system] arg(_1537614, v('(', ')', end_of_file), t)
^  Fail: (239) [user] is_delimiter(t)
   Call: (239) [system] ')'==t
   Fail: (239) [system] ')'==t
   Call: (239) [system] get_char((0x558d99e6bec0), t)
   Exit: (239) [system] get_char((0x558d99e6bec0), t)
   Call: (239) [system] t=(\)
   Fail: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1544964)
   Call: (240) [system] peek_char((0x558d99e6bec0), _1545898)
   Exit: (240) [system] peek_char((0x558d99e6bec0), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Fail: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1550618, v('(', ')', end_of_file), i)
   Fail: (241) [system] arg(_1551550, v('(', ')', end_of_file), i)
^  Fail: (240) [user] is_delimiter(i)
   Call: (240) [system] ')'==i
   Fail: (240) [system] ')'==i
   Call: (240) [system] get_char((0x558d99e6bec0), i)
   Exit: (240) [system] get_char((0x558d99e6bec0), i)
   Call: (240) [system] i=(\)
   Fail: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1558900)
   Call: (241) [system] peek_char((0x558d99e6bec0), _1559834)
   Exit: (241) [system] peek_char((0x558d99e6bec0), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Fail: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1564554, v('(', ')', end_of_file), o)
   Fail: (242) [system] arg(_1565486, v('(', ')', end_of_file), o)
^  Fail: (241) [user] is_delimiter(o)
   Call: (241) [system] ')'==o
   Fail: (241) [system] ')'==o
   Call: (241) [system] get_char((0x558d99e6bec0), o)
   Exit: (241) [system] get_char((0x558d99e6bec0), o)
   Call: (241) [system] o=(\)
   Fail: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1572836)
   Call: (242) [system] peek_char((0x558d99e6bec0), _1573770)
   Exit: (242) [system] peek_char((0x558d99e6bec0), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Fail: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1578490, v('(', ')', end_of_file), n)
   Fail: (243) [system] arg(_1579422, v('(', ')', end_of_file), n)
^  Fail: (242) [user] is_delimiter(n)
   Call: (242) [system] ')'==n
   Fail: (242) [system] ')'==n
   Call: (242) [system] get_char((0x558d99e6bec0), n)
   Exit: (242) [system] get_char((0x558d99e6bec0), n)
   Call: (242) [system] n=(\)
   Fail: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1586772)
   Call: (243) [system] peek_char((0x558d99e6bec0), _1587706)
   Exit: (243) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1586772=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (242) [system] _1572836=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (241) [system] _1558900=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (240) [system] _1544964=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (239) [system] _1531028=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (238) [system] _1517092=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (237) [system] _1503156=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (236) [system] _1489220=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (235) [system] _1475284=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1461348=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1447412=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1433476=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1419540=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1405604=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1391668=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1377732=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1363796=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1349860=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1335924=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1321988=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1308052=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1294116=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1280180=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1246526)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1658484, _1658486), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1246526), _1658460, fail)), '$restore_trace'(_1658484, _1658486))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1658484, _1658486))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1246526), _1658460, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1246526)
   Fail: (221) [system] atomic(_1246526)
   Call: (221) [system] atom_chars(_1246526, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x558d99e6bec0), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x558d99e6bec0), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x558d99e6bec0), _1667860)
^  Call: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1669718)
   Exit: (220) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (220) [system] ' '=(;)
   Fail: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x558d99e6bec0), _1677456)
   Exit: (220) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1680160)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (219) [user] skip_spaces((0x558d99e6bec0))
   Call: (219) [system] peek_char((0x558d99e6bec0), _1695238)
   Exit: (219) [system] peek_char((0x558d99e6bec0), a)
   Call: (219) [system] a=')'
   Fail: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
   Fail: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x558d99e6bec0), _1700808)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1702666)
   Exit: (221) [system] peek_char((0x558d99e6bec0), a)
   Call: (221) [system] a=(;)
   Fail: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Fail: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Fail: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Fail: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
   Fail: (222) [system] char_type(a, cntrl)
^  Fail: (221) [user] is_like_space(a)
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] get_char((0x558d99e6bec0), _1716820)
   Exit: (220) [system] get_char((0x558d99e6bec0), a)
   Call: (220) [system] a='('
   Fail: (220) [system] a='('
   Call: (220) [system] a='['
   Fail: (220) [system] a='['
   Call: (220) [system] a='{'
   Fail: (220) [system] a='{'
   Call: (220) [system] a='"'
   Fail: (220) [system] a='"'
   Call: (220) [system] a=!
   Fail: (220) [system] a=!
   Call: (220) [system] a='\''
   Fail: (220) [system] a='\''
   Call: (220) [system] a='`'
   Fail: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
   Fail: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, _1700808)
^  Call: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1734462)
   Call: (222) [system] peek_char((0x558d99e6bec0), _1735396)
   Exit: (222) [system] peek_char((0x558d99e6bec0), b)
^  Call: (222) [user] is_delimiter(b)
   Call: (223) [system] char_type(b, space)
   Fail: (223) [system] char_type(b, space)
   Call: (223) [system] arg(_1740116, v('(', ')', end_of_file), b)
   Fail: (223) [system] arg(_1741048, v('(', ')', end_of_file), b)
^  Fail: (222) [user] is_delimiter(b)
   Call: (222) [system] ')'==b
   Fail: (222) [system] ')'==b
   Call: (222) [system] get_char((0x558d99e6bec0), b)
   Exit: (222) [system] get_char((0x558d99e6bec0), b)
   Call: (222) [system] b=(\)
   Fail: (222) [system] b=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1748398)
   Call: (223) [system] peek_char((0x558d99e6bec0), _1749332)
   Exit: (223) [system] peek_char((0x558d99e6bec0), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Fail: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1754052, v('(', ')', end_of_file), c)
   Fail: (224) [system] arg(_1754984, v('(', ')', end_of_file), c)
^  Fail: (223) [user] is_delimiter(c)
   Call: (223) [system] ')'==c
   Fail: (223) [system] ')'==c
   Call: (223) [system] get_char((0x558d99e6bec0), c)
   Exit: (223) [system] get_char((0x558d99e6bec0), c)
   Call: (223) [system] c=(\)
   Fail: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1762334)
   Call: (224) [system] peek_char((0x558d99e6bec0), _1763268)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1762334=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (223) [system] _1748398=[c]
   Exit: (223) [system] [c]=[c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (222) [system] _1734462=[b, c]
   Exit: (222) [system] [b, c]=[b, c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (221) [user] classify_and_convert_charseq(a, [b, c], _1700808)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1778166, _1778168), once(user:catch(read_from_chars([a, b, c], _1700808), _1778142, fail)), '$restore_trace'(_1778166, _1778168))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1778166, _1778168))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1778142, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (220) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (219) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (219) [user] read_list(')', (0x558d99e6bec0), _1785666)
^  Call: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] peek_char((0x558d99e6bec0), _1787524)
   Exit: (221) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (221) [system] ' '=(;)
   Fail: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x558d99e6bec0), _1795262)
   Exit: (221) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1797966)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (220) [user] skip_spaces((0x558d99e6bec0))
   Call: (220) [system] peek_char((0x558d99e6bec0), _1813044)
   Exit: (220) [system] peek_char((0x558d99e6bec0), '(')
   Call: (220) [system] '('=')'
   Fail: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
   Fail: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x558d99e6bec0), _1818614)
^  Call: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1820472)
   Exit: (222) [system] peek_char((0x558d99e6bec0), '(')
   Call: (222) [system] '('=(;)
   Fail: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Fail: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Fail: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Fail: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
   Fail: (223) [system] char_type('(', cntrl)
^  Fail: (222) [user] is_like_space('(')
^  Exit: (221) [user] skip_spaces((0x558d99e6bec0))
   Call: (221) [system] get_char((0x558d99e6bec0), _1834626)
   Exit: (221) [system] get_char((0x558d99e6bec0), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x558d99e6bec0), _1818614)
^  Call: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _1840196)
   Exit: (223) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'=(;)
   Fail: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Fail: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Fail: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Fail: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
   Fail: (224) [system] char_type('C', cntrl)
^  Fail: (223) [user] is_like_space('C')
^  Exit: (222) [user] skip_spaces((0x558d99e6bec0))
   Call: (222) [system] peek_char((0x558d99e6bec0), _1854350)
   Exit: (222) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (222) [system] 'C'=')'
   Fail: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
   Fail: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x558d99e6bec0), _1859920)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _1861778)
   Exit: (224) [system] peek_char((0x558d99e6bec0), 'C')
   Call: (224) [system] 'C'=(;)
   Fail: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Fail: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Fail: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Fail: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
   Fail: (225) [system] char_type('C', cntrl)
^  Fail: (224) [user] is_like_space('C')
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] get_char((0x558d99e6bec0), _1875932)
   Exit: (223) [system] get_char((0x558d99e6bec0), 'C')
   Call: (223) [system] 'C'='('
   Fail: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Fail: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Fail: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Fail: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Fail: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Fail: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Fail: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
   Fail: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', _1859920)
^  Call: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1893574)
   Call: (225) [system] peek_char((0x558d99e6bec0), _1894508)
   Exit: (225) [system] peek_char((0x558d99e6bec0), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Fail: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1899228, v('(', ')', end_of_file), o)
   Fail: (226) [system] arg(_1900160, v('(', ')', end_of_file), o)
^  Fail: (225) [user] is_delimiter(o)
   Call: (225) [system] ')'==o
   Fail: (225) [system] ')'==o
   Call: (225) [system] get_char((0x558d99e6bec0), o)
   Exit: (225) [system] get_char((0x558d99e6bec0), o)
   Call: (225) [system] o=(\)
   Fail: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1907510)
   Call: (226) [system] peek_char((0x558d99e6bec0), _1908444)
   Exit: (226) [system] peek_char((0x558d99e6bec0), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Fail: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1913164, v('(', ')', end_of_file), n)
   Fail: (227) [system] arg(_1914096, v('(', ')', end_of_file), n)
^  Fail: (226) [user] is_delimiter(n)
   Call: (226) [system] ')'==n
   Fail: (226) [system] ')'==n
   Call: (226) [system] get_char((0x558d99e6bec0), n)
   Exit: (226) [system] get_char((0x558d99e6bec0), n)
   Call: (226) [system] n=(\)
   Fail: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1921446)
   Call: (227) [system] peek_char((0x558d99e6bec0), _1922380)
   Exit: (227) [system] peek_char((0x558d99e6bec0), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Fail: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_1927100, v('(', ')', end_of_file), j)
   Fail: (228) [system] arg(_1928032, v('(', ')', end_of_file), j)
^  Fail: (227) [user] is_delimiter(j)
   Call: (227) [system] ')'==j
   Fail: (227) [system] ')'==j
   Call: (227) [system] get_char((0x558d99e6bec0), j)
   Exit: (227) [system] get_char((0x558d99e6bec0), j)
   Call: (227) [system] j=(\)
   Fail: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1935382)
   Call: (228) [system] peek_char((0x558d99e6bec0), _1936316)
   Exit: (228) [system] peek_char((0x558d99e6bec0), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Fail: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1941036, v('(', ')', end_of_file), u)
   Fail: (229) [system] arg(_1941968, v('(', ')', end_of_file), u)
^  Fail: (228) [user] is_delimiter(u)
   Call: (228) [system] ')'==u
   Fail: (228) [system] ')'==u
   Call: (228) [system] get_char((0x558d99e6bec0), u)
   Exit: (228) [system] get_char((0x558d99e6bec0), u)
   Call: (228) [system] u=(\)
   Fail: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1949318)
   Call: (229) [system] peek_char((0x558d99e6bec0), _1950252)
   Exit: (229) [system] peek_char((0x558d99e6bec0), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Fail: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1954972, v('(', ')', end_of_file), n)
   Fail: (230) [system] arg(_1955904, v('(', ')', end_of_file), n)
^  Fail: (229) [user] is_delimiter(n)
   Call: (229) [system] ')'==n
   Fail: (229) [system] ')'==n
   Call: (229) [system] get_char((0x558d99e6bec0), n)
   Exit: (229) [system] get_char((0x558d99e6bec0), n)
   Call: (229) [system] n=(\)
   Fail: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1963254)
   Call: (230) [system] peek_char((0x558d99e6bec0), _1964188)
   Exit: (230) [system] peek_char((0x558d99e6bec0), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Fail: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1968908, v('(', ')', end_of_file), c)
   Fail: (231) [system] arg(_1969840, v('(', ')', end_of_file), c)
^  Fail: (230) [user] is_delimiter(c)
   Call: (230) [system] ')'==c
   Fail: (230) [system] ')'==c
   Call: (230) [system] get_char((0x558d99e6bec0), c)
   Exit: (230) [system] get_char((0x558d99e6bec0), c)
   Call: (230) [system] c=(\)
   Fail: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1977190)
   Call: (231) [system] peek_char((0x558d99e6bec0), _1978124)
   Exit: (231) [system] peek_char((0x558d99e6bec0), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Fail: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1982844, v('(', ')', end_of_file), t)
   Fail: (232) [system] arg(_1983776, v('(', ')', end_of_file), t)
^  Fail: (231) [user] is_delimiter(t)
   Call: (231) [system] ')'==t
   Fail: (231) [system] ')'==t
   Call: (231) [system] get_char((0x558d99e6bec0), t)
   Exit: (231) [system] get_char((0x558d99e6bec0), t)
   Call: (231) [system] t=(\)
   Fail: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), _1991126)
   Call: (232) [system] peek_char((0x558d99e6bec0), _1992060)
   Exit: (232) [system] peek_char((0x558d99e6bec0), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Fail: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1996780, v('(', ')', end_of_file), i)
   Fail: (233) [system] arg(_1997712, v('(', ')', end_of_file), i)
^  Fail: (232) [user] is_delimiter(i)
   Call: (232) [system] ')'==i
   Fail: (232) [system] ')'==i
   Call: (232) [system] get_char((0x558d99e6bec0), i)
   Exit: (232) [system] get_char((0x558d99e6bec0), i)
   Call: (232) [system] i=(\)
   Fail: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2005062)
   Call: (233) [system] peek_char((0x558d99e6bec0), _2005996)
   Exit: (233) [system] peek_char((0x558d99e6bec0), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Fail: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_2010716, v('(', ')', end_of_file), o)
   Fail: (234) [system] arg(_2011648, v('(', ')', end_of_file), o)
^  Fail: (233) [user] is_delimiter(o)
   Call: (233) [system] ')'==o
   Fail: (233) [system] ')'==o
   Call: (233) [system] get_char((0x558d99e6bec0), o)
   Exit: (233) [system] get_char((0x558d99e6bec0), o)
   Call: (233) [system] o=(\)
   Fail: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2018998)
   Call: (234) [system] peek_char((0x558d99e6bec0), _2019932)
   Exit: (234) [system] peek_char((0x558d99e6bec0), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Fail: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_2024652, v('(', ')', end_of_file), n)
   Fail: (235) [system] arg(_2025584, v('(', ')', end_of_file), n)
^  Fail: (234) [user] is_delimiter(n)
   Call: (234) [system] ')'==n
   Fail: (234) [system] ')'==n
   Call: (234) [system] get_char((0x558d99e6bec0), n)
   Exit: (234) [system] get_char((0x558d99e6bec0), n)
   Call: (234) [system] n=(\)
   Fail: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2032934)
   Call: (235) [system] peek_char((0x558d99e6bec0), _2033868)
   Exit: (235) [system] peek_char((0x558d99e6bec0), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Fail: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_2038588, v('(', ')', end_of_file), 'I')
   Fail: (236) [system] arg(_2039520, v('(', ')', end_of_file), 'I')
^  Fail: (235) [user] is_delimiter('I')
   Call: (235) [system] ')'=='I'
   Fail: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x558d99e6bec0), 'I')
   Exit: (235) [system] get_char((0x558d99e6bec0), 'I')
   Call: (235) [system] 'I'=(\)
   Fail: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2046870)
   Call: (236) [system] peek_char((0x558d99e6bec0), _2047804)
   Exit: (236) [system] peek_char((0x558d99e6bec0), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Fail: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_2052524, v('(', ')', end_of_file), n)
   Fail: (237) [system] arg(_2053456, v('(', ')', end_of_file), n)
^  Fail: (236) [user] is_delimiter(n)
   Call: (236) [system] ')'==n
   Fail: (236) [system] ')'==n
   Call: (236) [system] get_char((0x558d99e6bec0), n)
   Exit: (236) [system] get_char((0x558d99e6bec0), n)
   Call: (236) [system] n=(\)
   Fail: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2060806)
   Call: (237) [system] peek_char((0x558d99e6bec0), _2061740)
   Exit: (237) [system] peek_char((0x558d99e6bec0), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Fail: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_2066460, v('(', ')', end_of_file), t)
   Fail: (238) [system] arg(_2067392, v('(', ')', end_of_file), t)
^  Fail: (237) [user] is_delimiter(t)
   Call: (237) [system] ')'==t
   Fail: (237) [system] ')'==t
   Call: (237) [system] get_char((0x558d99e6bec0), t)
   Exit: (237) [system] get_char((0x558d99e6bec0), t)
   Call: (237) [system] t=(\)
   Fail: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2074742)
   Call: (238) [system] peek_char((0x558d99e6bec0), _2075676)
   Exit: (238) [system] peek_char((0x558d99e6bec0), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Fail: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_2080396, v('(', ')', end_of_file), r)
   Fail: (239) [system] arg(_2081328, v('(', ')', end_of_file), r)
^  Fail: (238) [user] is_delimiter(r)
   Call: (238) [system] ')'==r
   Fail: (238) [system] ')'==r
   Call: (238) [system] get_char((0x558d99e6bec0), r)
   Exit: (238) [system] get_char((0x558d99e6bec0), r)
   Call: (238) [system] r=(\)
   Fail: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), _2088678)
   Call: (239) [system] peek_char((0x558d99e6bec0), _2089612)
   Exit: (239) [system] peek_char((0x558d99e6bec0), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Fail: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_2094332, v('(', ')', end_of_file), o)
   Fail: (240) [system] arg(_2095264, v('(', ')', end_of_file), o)
^  Fail: (239) [user] is_delimiter(o)
   Call: (239) [system] ')'==o
   Fail: (239) [system] ')'==o
   Call: (239) [system] get_char((0x558d99e6bec0), o)
   Exit: (239) [system] get_char((0x558d99e6bec0), o)
   Call: (239) [system] o=(\)
   Fail: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), _12794)
   Call: (240) [system] peek_char((0x558d99e6bec0), _13728)
   Exit: (240) [system] peek_char((0x558d99e6bec0), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Fail: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_18448, v('(', ')', end_of_file), d)
   Fail: (241) [system] arg(_19380, v('(', ')', end_of_file), d)
^  Fail: (240) [user] is_delimiter(d)
   Call: (240) [system] ')'==d
   Fail: (240) [system] ')'==d
   Call: (240) [system] get_char((0x558d99e6bec0), d)
   Exit: (240) [system] get_char((0x558d99e6bec0), d)
   Call: (240) [system] d=(\)
   Fail: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), _26730)
   Call: (241) [system] peek_char((0x558d99e6bec0), _27664)
   Exit: (241) [system] peek_char((0x558d99e6bec0), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Fail: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_32384, v('(', ')', end_of_file), u)
   Fail: (242) [system] arg(_33316, v('(', ')', end_of_file), u)
^  Fail: (241) [user] is_delimiter(u)
   Call: (241) [system] ')'==u
   Fail: (241) [system] ')'==u
   Call: (241) [system] get_char((0x558d99e6bec0), u)
   Exit: (241) [system] get_char((0x558d99e6bec0), u)
   Call: (241) [system] u=(\)
   Fail: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), _40666)
   Call: (242) [system] peek_char((0x558d99e6bec0), _41600)
   Exit: (242) [system] peek_char((0x558d99e6bec0), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Fail: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_46320, v('(', ')', end_of_file), c)
   Fail: (243) [system] arg(_47252, v('(', ')', end_of_file), c)
^  Fail: (242) [user] is_delimiter(c)
   Call: (242) [system] ')'==c
   Fail: (242) [system] ')'==c
   Call: (242) [system] get_char((0x558d99e6bec0), c)
   Exit: (242) [system] get_char((0x558d99e6bec0), c)
   Call: (242) [system] c=(\)
   Fail: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), _54602)
   Call: (243) [system] peek_char((0x558d99e6bec0), _55536)
   Exit: (243) [system] peek_char((0x558d99e6bec0), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Fail: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_60256, v('(', ')', end_of_file), t)
   Fail: (244) [system] arg(_61188, v('(', ')', end_of_file), t)
^  Fail: (243) [user] is_delimiter(t)
   Call: (243) [system] ')'==t
   Fail: (243) [system] ')'==t
   Call: (243) [system] get_char((0x558d99e6bec0), t)
   Exit: (243) [system] get_char((0x558d99e6bec0), t)
   Call: (243) [system] t=(\)
   Fail: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), _68538)
   Call: (244) [system] peek_char((0x558d99e6bec0), _69472)
   Exit: (244) [system] peek_char((0x558d99e6bec0), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Fail: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_74192, v('(', ')', end_of_file), i)
   Fail: (245) [system] arg(_75124, v('(', ')', end_of_file), i)
^  Fail: (244) [user] is_delimiter(i)
   Call: (244) [system] ')'==i
   Fail: (244) [system] ')'==i
   Call: (244) [system] get_char((0x558d99e6bec0), i)
   Exit: (244) [system] get_char((0x558d99e6bec0), i)
   Call: (244) [system] i=(\)
   Fail: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), _82474)
   Call: (245) [system] peek_char((0x558d99e6bec0), _83408)
   Exit: (245) [system] peek_char((0x558d99e6bec0), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Fail: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_88128, v('(', ')', end_of_file), o)
   Fail: (246) [system] arg(_89060, v('(', ')', end_of_file), o)
^  Fail: (245) [user] is_delimiter(o)
   Call: (245) [system] ')'==o
   Fail: (245) [system] ')'==o
   Call: (245) [system] get_char((0x558d99e6bec0), o)
   Exit: (245) [system] get_char((0x558d99e6bec0), o)
   Call: (245) [system] o=(\)
   Fail: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), _96410)
   Call: (246) [system] peek_char((0x558d99e6bec0), _97344)
   Exit: (246) [system] peek_char((0x558d99e6bec0), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Fail: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_102064, v('(', ')', end_of_file), n)
   Fail: (247) [system] arg(_102996, v('(', ')', end_of_file), n)
^  Fail: (246) [user] is_delimiter(n)
   Call: (246) [system] ')'==n
   Fail: (246) [system] ')'==n
   Call: (246) [system] get_char((0x558d99e6bec0), n)
   Exit: (246) [system] get_char((0x558d99e6bec0), n)
   Call: (246) [system] n=(\)
   Fail: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), _110346)
   Call: (247) [system] peek_char((0x558d99e6bec0), _111280)
   Exit: (247) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _110346=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (246) [system] _96410=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n])
   Call: (245) [system] _82474=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n])
   Call: (244) [system] _68538=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n])
   Call: (243) [system] _54602=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n])
   Call: (242) [system] _40666=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n])
   Call: (241) [system] _26730=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, c, t, i, o, n])
   Call: (240) [system] _12794=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x558d99e6bec0), [d, u, c, t, i, o, n])
   Call: (239) [system] _6872=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _6868=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x558d99e6bec0), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _6864=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _6860=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _6856=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x558d99e6bec0), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _6852=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _6848=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _6844=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x558d99e6bec0), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _6840=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x558d99e6bec0), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _6836=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _6832=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _6828=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _6824=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _6820=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _6816=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x558d99e6bec0), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6812)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_182058, _182060), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6812), _182034, fail)), '$restore_trace'(_182058, _182060))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_182058, _182060))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6812), _182034, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_6812)
   Fail: (225) [system] atomic(_6812)
   Call: (225) [system] atom_chars(_6812, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x558d99e6bec0), 'C', 'ConjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x558d99e6bec0), 'ConjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x558d99e6bec0), _191434)
^  Call: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _193292)
   Exit: (224) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (224) [system] ' '=(;)
   Fail: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x558d99e6bec0), _201030)
   Exit: (224) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _203734)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (223) [user] skip_spaces((0x558d99e6bec0))
   Call: (223) [system] peek_char((0x558d99e6bec0), _218812)
   Exit: (223) [system] peek_char((0x558d99e6bec0), a)
   Call: (223) [system] a=')'
   Fail: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
   Fail: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x558d99e6bec0), _224382)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _226240)
   Exit: (225) [system] peek_char((0x558d99e6bec0), a)
   Call: (225) [system] a=(;)
   Fail: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Fail: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Fail: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Fail: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
   Fail: (226) [system] char_type(a, cntrl)
^  Fail: (225) [user] is_like_space(a)
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] get_char((0x558d99e6bec0), _240394)
   Exit: (224) [system] get_char((0x558d99e6bec0), a)
   Call: (224) [system] a='('
   Fail: (224) [system] a='('
   Call: (224) [system] a='['
   Fail: (224) [system] a='['
   Call: (224) [system] a='{'
   Fail: (224) [system] a='{'
   Call: (224) [system] a='"'
   Fail: (224) [system] a='"'
   Call: (224) [system] a=!
   Fail: (224) [system] a=!
   Call: (224) [system] a='\''
   Fail: (224) [system] a='\''
   Call: (224) [system] a='`'
   Fail: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, _224382)
^  Call: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), _258036)
   Call: (226) [system] peek_char((0x558d99e6bec0), _258970)
   Exit: (226) [system] peek_char((0x558d99e6bec0), b)
^  Call: (226) [user] is_delimiter(b)
   Call: (227) [system] char_type(b, space)
   Fail: (227) [system] char_type(b, space)
   Call: (227) [system] arg(_263690, v('(', ')', end_of_file), b)
   Fail: (227) [system] arg(_264622, v('(', ')', end_of_file), b)
^  Fail: (226) [user] is_delimiter(b)
   Call: (226) [system] ')'==b
   Fail: (226) [system] ')'==b
   Call: (226) [system] get_char((0x558d99e6bec0), b)
   Exit: (226) [system] get_char((0x558d99e6bec0), b)
   Call: (226) [system] b=(\)
   Fail: (226) [system] b=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _271972)
   Call: (227) [system] peek_char((0x558d99e6bec0), _272906)
   Exit: (227) [system] peek_char((0x558d99e6bec0), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Fail: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_277626, v('(', ')', end_of_file), c)
   Fail: (228) [system] arg(_278558, v('(', ')', end_of_file), c)
^  Fail: (227) [user] is_delimiter(c)
   Call: (227) [system] ')'==c
   Fail: (227) [system] ')'==c
   Call: (227) [system] get_char((0x558d99e6bec0), c)
   Exit: (227) [system] get_char((0x558d99e6bec0), c)
   Call: (227) [system] c=(\)
   Fail: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _285908)
   Call: (228) [system] peek_char((0x558d99e6bec0), _286842)
   Exit: (228) [system] peek_char((0x558d99e6bec0), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _285908=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (227) [system] _271972=[c]
   Exit: (227) [system] [c]=[c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (226) [system] _258036=[b, c]
   Exit: (226) [system] [b, c]=[b, c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (225) [user] classify_and_convert_charseq(a, [b, c], _224382)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_301740, _301742), once(user:catch(read_from_chars([a, b, c], _224382), _301716, fail)), '$restore_trace'(_301740, _301742))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_301740, _301742))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _301716, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(abc)
   Exit: (226) [system] atomic(abc)
^  Exit: (225) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (224) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (223) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (223) [user] read_list(')', (0x558d99e6bec0), _309240)
^  Call: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _311098)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ' ')
   Call: (225) [system] ' '=(;)
   Fail: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x558d99e6bec0), _318836)
   Exit: (225) [system] get_char((0x558d99e6bec0), ' ')
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _321540)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
^  Exit: (224) [user] skip_spaces((0x558d99e6bec0))
   Call: (224) [system] peek_char((0x558d99e6bec0), _336618)
   Exit: (224) [system] peek_char((0x558d99e6bec0), a)
   Call: (224) [system] a=')'
   Fail: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
   Fail: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x558d99e6bec0), _342188)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _344046)
   Exit: (226) [system] peek_char((0x558d99e6bec0), a)
   Call: (226) [system] a=(;)
   Fail: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Fail: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Fail: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Fail: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
   Fail: (227) [system] char_type(a, cntrl)
^  Fail: (226) [user] is_like_space(a)
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] get_char((0x558d99e6bec0), _358200)
   Exit: (225) [system] get_char((0x558d99e6bec0), a)
   Call: (225) [system] a='('
   Fail: (225) [system] a='('
   Call: (225) [system] a='['
   Fail: (225) [system] a='['
   Call: (225) [system] a='{'
   Fail: (225) [system] a='{'
   Call: (225) [system] a='"'
   Fail: (225) [system] a='"'
   Call: (225) [system] a=!
   Fail: (225) [system] a=!
   Call: (225) [system] a='\''
   Fail: (225) [system] a='\''
   Call: (225) [system] a='`'
   Fail: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
   Fail: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x558d99e6bec0), a, _342188)
^  Call: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), _375842)
   Call: (227) [system] peek_char((0x558d99e6bec0), _376776)
   Exit: (227) [system] peek_char((0x558d99e6bec0), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Fail: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_381496, v('(', ')', end_of_file), b)
   Fail: (228) [system] arg(_382428, v('(', ')', end_of_file), b)
^  Fail: (227) [user] is_delimiter(b)
   Call: (227) [system] ')'==b
   Fail: (227) [system] ')'==b
   Call: (227) [system] get_char((0x558d99e6bec0), b)
   Exit: (227) [system] get_char((0x558d99e6bec0), b)
   Call: (227) [system] b=(\)
   Fail: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), _389778)
   Call: (228) [system] peek_char((0x558d99e6bec0), _390712)
   Exit: (228) [system] peek_char((0x558d99e6bec0), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Fail: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_395432, v('(', ')', end_of_file), c)
   Fail: (229) [system] arg(_396364, v('(', ')', end_of_file), c)
^  Fail: (228) [user] is_delimiter(c)
   Call: (228) [system] ')'==c
   Fail: (228) [system] ')'==c
   Call: (228) [system] get_char((0x558d99e6bec0), c)
   Exit: (228) [system] get_char((0x558d99e6bec0), c)
   Call: (228) [system] c=(\)
   Fail: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), _403714)
   Call: (229) [system] peek_char((0x558d99e6bec0), _404648)
   Exit: (229) [system] peek_char((0x558d99e6bec0), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Fail: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_409368, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _403714=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x558d99e6bec0), [])
   Call: (228) [system] _389778=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x558d99e6bec0), [c])
   Call: (227) [system] _375842=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x558d99e6bec0), [b, c])
^  Call: (226) [user] classify_and_convert_charseq(a, [b, c], _342188)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_421418, _421420), once(user:catch(read_from_chars([a, b, c], _342188), _421394, fail)), '$restore_trace'(_421418, _421420))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_421418, _421420))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _421394, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x558d99e6bec0), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x558d99e6bec0), abc)
^  Call: (224) [user] read_list(')', (0x558d99e6bec0), _428918)
^  Call: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (226) [system] peek_char((0x558d99e6bec0), _430776)
   Exit: (226) [system] peek_char((0x558d99e6bec0), ')')
   Call: (226) [system] ')'=(;)
   Fail: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Fail: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Fail: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Fail: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
   Fail: (227) [system] char_type(')', cntrl)
^  Fail: (226) [user] is_like_space(')')
^  Exit: (225) [user] skip_spaces((0x558d99e6bec0))
   Call: (225) [system] peek_char((0x558d99e6bec0), _444930)
   Exit: (225) [system] peek_char((0x558d99e6bec0), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'

Script done on 2024-09-13 20:19:39+00:00 [COMMAND_EXIT_CODE="143"]

\033[1;33mCompleted (EXITCODE=143) Under 40 seconds: ./mettalog '--output=./reports/tests_output/baseline-compat-2024-09-13T20:12:12/' --timeout=40 --html --repl=false --test "tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta" --halt=true\033[0m